| /* |
| * Copyright (C) 2007 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| package android.app; |
| |
| import android.Manifest; |
| import android.annotation.IntDef; |
| import android.annotation.NonNull; |
| import android.annotation.Nullable; |
| import android.annotation.RequiresPermission; |
| import android.annotation.SystemApi; |
| import android.annotation.TestApi; |
| import android.content.pm.ActivityInfo; |
| import android.content.res.Configuration; |
| import android.graphics.Canvas; |
| import android.graphics.Matrix; |
| import android.graphics.Point; |
| import android.os.BatteryStats; |
| import android.os.IBinder; |
| import android.os.ParcelFileDescriptor; |
| |
| import com.android.internal.app.procstats.ProcessStats; |
| import com.android.internal.os.RoSystemProperties; |
| import com.android.internal.os.TransferPipe; |
| import com.android.internal.util.FastPrintWriter; |
| |
| import android.content.ComponentName; |
| import android.content.Context; |
| import android.content.Intent; |
| import android.content.UriPermission; |
| import android.content.pm.ApplicationInfo; |
| import android.content.pm.ConfigurationInfo; |
| import android.content.pm.IPackageDataObserver; |
| import android.content.pm.PackageManager; |
| import android.content.pm.ParceledListSlice; |
| import android.content.pm.UserInfo; |
| import android.content.res.Resources; |
| import android.graphics.Bitmap; |
| import android.graphics.Color; |
| import android.graphics.Rect; |
| import android.os.Bundle; |
| import android.os.Debug; |
| import android.os.Handler; |
| import android.os.Parcel; |
| import android.os.Parcelable; |
| import android.os.Process; |
| import android.os.RemoteException; |
| import android.os.ServiceManager; |
| import android.os.SystemProperties; |
| import android.os.UserHandle; |
| import android.text.TextUtils; |
| import android.util.ArrayMap; |
| import android.util.DisplayMetrics; |
| import android.util.Singleton; |
| import android.util.Size; |
| |
| import org.xmlpull.v1.XmlSerializer; |
| |
| import java.io.FileDescriptor; |
| import java.io.FileOutputStream; |
| import java.io.IOException; |
| import java.io.PrintWriter; |
| import java.lang.annotation.Retention; |
| import java.lang.annotation.RetentionPolicy; |
| import java.util.ArrayList; |
| import java.util.List; |
| |
| /** |
| * Interact with the overall activities running in the system. |
| */ |
| public class ActivityManager { |
| private static String TAG = "ActivityManager"; |
| |
| private static int gMaxRecentTasks = -1; |
| |
| private final Context mContext; |
| private final Handler mHandler; |
| |
| static final class UidObserver extends IUidObserver.Stub { |
| final OnUidImportanceListener mListener; |
| |
| UidObserver(OnUidImportanceListener listener) { |
| mListener = listener; |
| } |
| |
| @Override |
| public void onUidStateChanged(int uid, int procState) { |
| mListener.onUidImportance(uid, RunningAppProcessInfo.procStateToImportance(procState)); |
| } |
| |
| @Override |
| public void onUidGone(int uid) { |
| mListener.onUidImportance(uid, RunningAppProcessInfo.IMPORTANCE_GONE); |
| } |
| |
| @Override |
| public void onUidActive(int uid) { |
| } |
| |
| @Override |
| public void onUidIdle(int uid) { |
| } |
| } |
| |
| final ArrayMap<OnUidImportanceListener, UidObserver> mImportanceListeners = new ArrayMap<>(); |
| |
| /** |
| * Defines acceptable types of bugreports. |
| * @hide |
| */ |
| @Retention(RetentionPolicy.SOURCE) |
| @IntDef({ |
| BUGREPORT_OPTION_FULL, |
| BUGREPORT_OPTION_INTERACTIVE, |
| BUGREPORT_OPTION_REMOTE, |
| BUGREPORT_OPTION_WEAR |
| }) |
| public @interface BugreportMode {} |
| /** |
| * Takes a bugreport without user interference (and hence causing less |
| * interference to the system), but includes all sections. |
| * @hide |
| */ |
| public static final int BUGREPORT_OPTION_FULL = 0; |
| /** |
| * Allows user to monitor progress and enter additional data; might not include all |
| * sections. |
| * @hide |
| */ |
| public static final int BUGREPORT_OPTION_INTERACTIVE = 1; |
| /** |
| * Takes a bugreport requested remotely by administrator of the Device Owner app, |
| * not the device's user. |
| * @hide |
| */ |
| public static final int BUGREPORT_OPTION_REMOTE = 2; |
| /** |
| * Takes a bugreport on a wearable device. |
| * @hide |
| */ |
| public static final int BUGREPORT_OPTION_WEAR = 3; |
| |
| /** |
| * <a href="{@docRoot}guide/topics/manifest/meta-data-element.html">{@code |
| * <meta-data>}</a> name for a 'home' Activity that declares a package that is to be |
| * uninstalled in lieu of the declaring one. The package named here must be |
| * signed with the same certificate as the one declaring the {@code <meta-data>}. |
| */ |
| public static final String META_HOME_ALTERNATE = "android.app.home.alternate"; |
| |
| /** |
| * Result for IActivityManager.startVoiceActivity: active session is currently hidden. |
| * @hide |
| */ |
| public static final int START_VOICE_HIDDEN_SESSION = -10; |
| |
| /** |
| * Result for IActivityManager.startVoiceActivity: active session does not match |
| * the requesting token. |
| * @hide |
| */ |
| public static final int START_VOICE_NOT_ACTIVE_SESSION = -9; |
| |
| /** |
| * Result for IActivityManager.startActivity: trying to start a background user |
| * activity that shouldn't be displayed for all users. |
| * @hide |
| */ |
| public static final int START_NOT_CURRENT_USER_ACTIVITY = -8; |
| |
| /** |
| * Result for IActivityManager.startActivity: trying to start an activity under voice |
| * control when that activity does not support the VOICE category. |
| * @hide |
| */ |
| public static final int START_NOT_VOICE_COMPATIBLE = -7; |
| |
| /** |
| * Result for IActivityManager.startActivity: an error where the |
| * start had to be canceled. |
| * @hide |
| */ |
| public static final int START_CANCELED = -6; |
| |
| /** |
| * Result for IActivityManager.startActivity: an error where the |
| * thing being started is not an activity. |
| * @hide |
| */ |
| public static final int START_NOT_ACTIVITY = -5; |
| |
| /** |
| * Result for IActivityManager.startActivity: an error where the |
| * caller does not have permission to start the activity. |
| * @hide |
| */ |
| public static final int START_PERMISSION_DENIED = -4; |
| |
| /** |
| * Result for IActivityManager.startActivity: an error where the |
| * caller has requested both to forward a result and to receive |
| * a result. |
| * @hide |
| */ |
| public static final int START_FORWARD_AND_REQUEST_CONFLICT = -3; |
| |
| /** |
| * Result for IActivityManager.startActivity: an error where the |
| * requested class is not found. |
| * @hide |
| */ |
| public static final int START_CLASS_NOT_FOUND = -2; |
| |
| /** |
| * Result for IActivityManager.startActivity: an error where the |
| * given Intent could not be resolved to an activity. |
| * @hide |
| */ |
| public static final int START_INTENT_NOT_RESOLVED = -1; |
| |
| /** |
| * Result for IActivityManaqer.startActivity: the activity was started |
| * successfully as normal. |
| * @hide |
| */ |
| public static final int START_SUCCESS = 0; |
| |
| /** |
| * Result for IActivityManaqer.startActivity: the caller asked that the Intent not |
| * be executed if it is the recipient, and that is indeed the case. |
| * @hide |
| */ |
| public static final int START_RETURN_INTENT_TO_CALLER = 1; |
| |
| /** |
| * Result for IActivityManaqer.startActivity: activity wasn't really started, but |
| * a task was simply brought to the foreground. |
| * @hide |
| */ |
| public static final int START_TASK_TO_FRONT = 2; |
| |
| /** |
| * Result for IActivityManaqer.startActivity: activity wasn't really started, but |
| * the given Intent was given to the existing top activity. |
| * @hide |
| */ |
| public static final int START_DELIVERED_TO_TOP = 3; |
| |
| /** |
| * Result for IActivityManaqer.startActivity: request was canceled because |
| * app switches are temporarily canceled to ensure the user's last request |
| * (such as pressing home) is performed. |
| * @hide |
| */ |
| public static final int START_SWITCHES_CANCELED = 4; |
| |
| /** |
| * Result for IActivityManaqer.startActivity: a new activity was attempted to be started |
| * while in Lock Task Mode. |
| * @hide |
| */ |
| public static final int START_RETURN_LOCK_TASK_MODE_VIOLATION = 5; |
| |
| /** |
| * Flag for IActivityManaqer.startActivity: do special start mode where |
| * a new activity is launched only if it is needed. |
| * @hide |
| */ |
| public static final int START_FLAG_ONLY_IF_NEEDED = 1<<0; |
| |
| /** |
| * Flag for IActivityManaqer.startActivity: launch the app for |
| * debugging. |
| * @hide |
| */ |
| public static final int START_FLAG_DEBUG = 1<<1; |
| |
| /** |
| * Flag for IActivityManaqer.startActivity: launch the app for |
| * allocation tracking. |
| * @hide |
| */ |
| public static final int START_FLAG_TRACK_ALLOCATION = 1<<2; |
| |
| /** |
| * Flag for IActivityManaqer.startActivity: launch the app with |
| * native debugging support. |
| * @hide |
| */ |
| public static final int START_FLAG_NATIVE_DEBUGGING = 1<<3; |
| |
| /** |
| * Result for IActivityManaqer.broadcastIntent: success! |
| * @hide |
| */ |
| public static final int BROADCAST_SUCCESS = 0; |
| |
| /** |
| * Result for IActivityManaqer.broadcastIntent: attempt to broadcast |
| * a sticky intent without appropriate permission. |
| * @hide |
| */ |
| public static final int BROADCAST_STICKY_CANT_HAVE_PERMISSION = -1; |
| |
| /** |
| * Result for IActivityManager.broadcastIntent: trying to send a broadcast |
| * to a stopped user. Fail. |
| * @hide |
| */ |
| public static final int BROADCAST_FAILED_USER_STOPPED = -2; |
| |
| /** |
| * Type for IActivityManaqer.getIntentSender: this PendingIntent is |
| * for a sendBroadcast operation. |
| * @hide |
| */ |
| public static final int INTENT_SENDER_BROADCAST = 1; |
| |
| /** |
| * Type for IActivityManaqer.getIntentSender: this PendingIntent is |
| * for a startActivity operation. |
| * @hide |
| */ |
| public static final int INTENT_SENDER_ACTIVITY = 2; |
| |
| /** |
| * Type for IActivityManaqer.getIntentSender: this PendingIntent is |
| * for an activity result operation. |
| * @hide |
| */ |
| public static final int INTENT_SENDER_ACTIVITY_RESULT = 3; |
| |
| /** |
| * Type for IActivityManaqer.getIntentSender: this PendingIntent is |
| * for a startService operation. |
| * @hide |
| */ |
| public static final int INTENT_SENDER_SERVICE = 4; |
| |
| /** @hide User operation call: success! */ |
| public static final int USER_OP_SUCCESS = 0; |
| |
| /** @hide User operation call: given user id is not known. */ |
| public static final int USER_OP_UNKNOWN_USER = -1; |
| |
| /** @hide User operation call: given user id is the current user, can't be stopped. */ |
| public static final int USER_OP_IS_CURRENT = -2; |
| |
| /** @hide User operation call: system user can't be stopped. */ |
| public static final int USER_OP_ERROR_IS_SYSTEM = -3; |
| |
| /** @hide User operation call: one of related users cannot be stopped. */ |
| public static final int USER_OP_ERROR_RELATED_USERS_CANNOT_STOP = -4; |
| |
| /** @hide Not a real process state. */ |
| public static final int PROCESS_STATE_UNKNOWN = -1; |
| |
| /** @hide Process is a persistent system process. */ |
| public static final int PROCESS_STATE_PERSISTENT = 0; |
| |
| /** @hide Process is a persistent system process and is doing UI. */ |
| public static final int PROCESS_STATE_PERSISTENT_UI = 1; |
| |
| /** @hide Process is hosting the current top activities. Note that this covers |
| * all activities that are visible to the user. */ |
| public static final int PROCESS_STATE_TOP = 2; |
| |
| /** @hide Process is hosting a foreground service due to a system binding. */ |
| public static final int PROCESS_STATE_BOUND_FOREGROUND_SERVICE = 3; |
| |
| /** @hide Process is hosting a foreground service. */ |
| public static final int PROCESS_STATE_FOREGROUND_SERVICE = 4; |
| |
| /** @hide Same as {@link #PROCESS_STATE_TOP} but while device is sleeping. */ |
| public static final int PROCESS_STATE_TOP_SLEEPING = 5; |
| |
| /** @hide Process is important to the user, and something they are aware of. */ |
| public static final int PROCESS_STATE_IMPORTANT_FOREGROUND = 6; |
| |
| /** @hide Process is important to the user, but not something they are aware of. */ |
| public static final int PROCESS_STATE_IMPORTANT_BACKGROUND = 7; |
| |
| /** @hide Process is in the background running a backup/restore operation. */ |
| public static final int PROCESS_STATE_BACKUP = 8; |
| |
| /** @hide Process is in the background, but it can't restore its state so we want |
| * to try to avoid killing it. */ |
| public static final int PROCESS_STATE_HEAVY_WEIGHT = 9; |
| |
| /** @hide Process is in the background running a service. Unlike oom_adj, this level |
| * is used for both the normal running in background state and the executing |
| * operations state. */ |
| public static final int PROCESS_STATE_SERVICE = 10; |
| |
| /** @hide Process is in the background running a receiver. Note that from the |
| * perspective of oom_adj receivers run at a higher foreground level, but for our |
| * prioritization here that is not necessary and putting them below services means |
| * many fewer changes in some process states as they receive broadcasts. */ |
| public static final int PROCESS_STATE_RECEIVER = 11; |
| |
| /** @hide Process is in the background but hosts the home activity. */ |
| public static final int PROCESS_STATE_HOME = 12; |
| |
| /** @hide Process is in the background but hosts the last shown activity. */ |
| public static final int PROCESS_STATE_LAST_ACTIVITY = 13; |
| |
| /** @hide Process is being cached for later use and contains activities. */ |
| public static final int PROCESS_STATE_CACHED_ACTIVITY = 14; |
| |
| /** @hide Process is being cached for later use and is a client of another cached |
| * process that contains activities. */ |
| public static final int PROCESS_STATE_CACHED_ACTIVITY_CLIENT = 15; |
| |
| /** @hide Process is being cached for later use and is empty. */ |
| public static final int PROCESS_STATE_CACHED_EMPTY = 16; |
| |
| /** @hide Process does not exist. */ |
| public static final int PROCESS_STATE_NONEXISTENT = 17; |
| |
| /** @hide The lowest process state number */ |
| public static final int MIN_PROCESS_STATE = PROCESS_STATE_PERSISTENT; |
| |
| /** @hide The highest process state number */ |
| public static final int MAX_PROCESS_STATE = PROCESS_STATE_NONEXISTENT; |
| |
| /** @hide Should this process state be considered a background state? */ |
| public static final boolean isProcStateBackground(int procState) { |
| return procState >= PROCESS_STATE_BACKUP; |
| } |
| |
| /** @hide requestType for assist context: only basic information. */ |
| public static final int ASSIST_CONTEXT_BASIC = 0; |
| |
| /** @hide requestType for assist context: generate full AssistStructure. */ |
| public static final int ASSIST_CONTEXT_FULL = 1; |
| |
| /** @hide Flag for registerUidObserver: report changes in process state. */ |
| public static final int UID_OBSERVER_PROCSTATE = 1<<0; |
| |
| /** @hide Flag for registerUidObserver: report uid gone. */ |
| public static final int UID_OBSERVER_GONE = 1<<1; |
| |
| /** @hide Flag for registerUidObserver: report uid has become idle. */ |
| public static final int UID_OBSERVER_IDLE = 1<<2; |
| |
| /** @hide Flag for registerUidObserver: report uid has become active. */ |
| public static final int UID_OBSERVER_ACTIVE = 1<<3; |
| |
| /** @hide Mode for {@link IActivityManager#getAppStartMode}: normal free-to-run operation. */ |
| public static final int APP_START_MODE_NORMAL = 0; |
| |
| /** @hide Mode for {@link IActivityManager#getAppStartMode}: delay running until later. */ |
| public static final int APP_START_MODE_DELAYED = 1; |
| |
| /** @hide Mode for {@link IActivityManager#getAppStartMode}: disable/cancel pending |
| * launches. */ |
| public static final int APP_START_MODE_DISABLED = 2; |
| |
| /** |
| * Lock task mode is not active. |
| */ |
| public static final int LOCK_TASK_MODE_NONE = 0; |
| |
| /** |
| * Full lock task mode is active. |
| */ |
| public static final int LOCK_TASK_MODE_LOCKED = 1; |
| |
| /** |
| * App pinning mode is active. |
| */ |
| public static final int LOCK_TASK_MODE_PINNED = 2; |
| |
| Point mAppTaskThumbnailSize; |
| |
| /*package*/ ActivityManager(Context context, Handler handler) { |
| mContext = context; |
| mHandler = handler; |
| } |
| |
| /** |
| * Screen compatibility mode: the application most always run in |
| * compatibility mode. |
| * @hide |
| */ |
| public static final int COMPAT_MODE_ALWAYS = -1; |
| |
| /** |
| * Screen compatibility mode: the application can never run in |
| * compatibility mode. |
| * @hide |
| */ |
| public static final int COMPAT_MODE_NEVER = -2; |
| |
| /** |
| * Screen compatibility mode: unknown. |
| * @hide |
| */ |
| public static final int COMPAT_MODE_UNKNOWN = -3; |
| |
| /** |
| * Screen compatibility mode: the application currently has compatibility |
| * mode disabled. |
| * @hide |
| */ |
| public static final int COMPAT_MODE_DISABLED = 0; |
| |
| /** |
| * Screen compatibility mode: the application currently has compatibility |
| * mode enabled. |
| * @hide |
| */ |
| public static final int COMPAT_MODE_ENABLED = 1; |
| |
| /** |
| * Screen compatibility mode: request to toggle the application's |
| * compatibility mode. |
| * @hide |
| */ |
| public static final int COMPAT_MODE_TOGGLE = 2; |
| |
| /** @hide */ |
| public static class StackId { |
| /** Invalid stack ID. */ |
| public static final int INVALID_STACK_ID = -1; |
| |
| /** First static stack ID. */ |
| public static final int FIRST_STATIC_STACK_ID = 0; |
| |
| /** Home activity stack ID. */ |
| public static final int HOME_STACK_ID = FIRST_STATIC_STACK_ID; |
| |
| /** ID of stack where fullscreen activities are normally launched into. */ |
| public static final int FULLSCREEN_WORKSPACE_STACK_ID = 1; |
| |
| /** ID of stack where freeform/resized activities are normally launched into. */ |
| public static final int FREEFORM_WORKSPACE_STACK_ID = FULLSCREEN_WORKSPACE_STACK_ID + 1; |
| |
| /** ID of stack that occupies a dedicated region of the screen. */ |
| public static final int DOCKED_STACK_ID = FREEFORM_WORKSPACE_STACK_ID + 1; |
| |
| /** ID of stack that always on top (always visible) when it exist. */ |
| public static final int PINNED_STACK_ID = DOCKED_STACK_ID + 1; |
| |
| /** Last static stack stack ID. */ |
| public static final int LAST_STATIC_STACK_ID = PINNED_STACK_ID; |
| |
| /** Start of ID range used by stacks that are created dynamically. */ |
| public static final int FIRST_DYNAMIC_STACK_ID = LAST_STATIC_STACK_ID + 1; |
| |
| public static boolean isStaticStack(int stackId) { |
| return stackId >= FIRST_STATIC_STACK_ID && stackId <= LAST_STATIC_STACK_ID; |
| } |
| |
| /** |
| * Returns true if the activities contained in the input stack display a shadow around |
| * their border. |
| */ |
| public static boolean hasWindowShadow(int stackId) { |
| return stackId == FREEFORM_WORKSPACE_STACK_ID || stackId == PINNED_STACK_ID; |
| } |
| |
| /** |
| * Returns true if the activities contained in the input stack display a decor view. |
| */ |
| public static boolean hasWindowDecor(int stackId) { |
| return stackId == FREEFORM_WORKSPACE_STACK_ID; |
| } |
| |
| /** |
| * Returns true if the tasks contained in the stack can be resized independently of the |
| * stack. |
| */ |
| public static boolean isTaskResizeAllowed(int stackId) { |
| return stackId == FREEFORM_WORKSPACE_STACK_ID; |
| } |
| |
| /** Returns true if the task bounds should persist across power cycles. */ |
| public static boolean persistTaskBounds(int stackId) { |
| return stackId == FREEFORM_WORKSPACE_STACK_ID; |
| } |
| |
| /** |
| * Returns true if dynamic stacks are allowed to be visible behind the input stack. |
| */ |
| public static boolean isDynamicStacksVisibleBehindAllowed(int stackId) { |
| return stackId == PINNED_STACK_ID; |
| } |
| |
| /** |
| * Returns true if we try to maintain focus in the current stack when the top activity |
| * finishes. |
| */ |
| public static boolean keepFocusInStackIfPossible(int stackId) { |
| return stackId == FREEFORM_WORKSPACE_STACK_ID |
| || stackId == DOCKED_STACK_ID || stackId == PINNED_STACK_ID; |
| } |
| |
| /** |
| * Returns true if Stack size is affected by the docked stack changing size. |
| */ |
| public static boolean isResizeableByDockedStack(int stackId) { |
| return isStaticStack(stackId) && |
| stackId != DOCKED_STACK_ID && stackId != PINNED_STACK_ID; |
| } |
| |
| /** |
| * Returns true if the size of tasks in the input stack are affected by the docked stack |
| * changing size. |
| */ |
| public static boolean isTaskResizeableByDockedStack(int stackId) { |
| return isStaticStack(stackId) && stackId != FREEFORM_WORKSPACE_STACK_ID |
| && stackId != DOCKED_STACK_ID && stackId != PINNED_STACK_ID; |
| } |
| |
| /** |
| * Returns true if the windows of tasks being moved to the target stack from the source |
| * stack should be replaced, meaning that window manager will keep the old window around |
| * until the new is ready. |
| */ |
| public static boolean replaceWindowsOnTaskMove(int sourceStackId, int targetStackId) { |
| return sourceStackId == FREEFORM_WORKSPACE_STACK_ID |
| || targetStackId == FREEFORM_WORKSPACE_STACK_ID; |
| } |
| |
| /** |
| * Return whether a stackId is a stack containing floating windows. Floating windows |
| * are laid out differently as they are allowed to extend past the display bounds |
| * without overscan insets. |
| */ |
| public static boolean tasksAreFloating(int stackId) { |
| return stackId == FREEFORM_WORKSPACE_STACK_ID |
| || stackId == PINNED_STACK_ID; |
| } |
| |
| /** |
| * Returns true if animation specs should be constructed for app transition that moves |
| * the task to the specified stack. |
| */ |
| public static boolean useAnimationSpecForAppTransition(int stackId) { |
| |
| // TODO: INVALID_STACK_ID is also animated because we don't persist stack id's across |
| // reboots. |
| return stackId == FREEFORM_WORKSPACE_STACK_ID |
| || stackId == FULLSCREEN_WORKSPACE_STACK_ID || stackId == DOCKED_STACK_ID |
| || stackId == INVALID_STACK_ID; |
| } |
| |
| /** Returns true if the windows in the stack can receive input keys. */ |
| public static boolean canReceiveKeys(int stackId) { |
| return stackId != PINNED_STACK_ID; |
| } |
| |
| /** |
| * Returns true if the stack can be visible above lockscreen. |
| */ |
| public static boolean isAllowedOverLockscreen(int stackId) { |
| return stackId == HOME_STACK_ID || stackId == FULLSCREEN_WORKSPACE_STACK_ID; |
| } |
| |
| public static boolean isAlwaysOnTop(int stackId) { |
| return stackId == PINNED_STACK_ID; |
| } |
| |
| /** |
| * Returns true if the top task in the task is allowed to return home when finished and |
| * there are other tasks in the stack. |
| */ |
| public static boolean allowTopTaskToReturnHome(int stackId) { |
| return stackId != PINNED_STACK_ID; |
| } |
| |
| /** |
| * Returns true if the stack should be resized to match the bounds specified by |
| * {@link ActivityOptions#setLaunchBounds} when launching an activity into the stack. |
| */ |
| public static boolean resizeStackWithLaunchBounds(int stackId) { |
| return stackId == PINNED_STACK_ID; |
| } |
| |
| /** |
| * Returns true if any visible windows belonging to apps in this stack should be kept on |
| * screen when the app is killed due to something like the low memory killer. |
| */ |
| public static boolean keepVisibleDeadAppWindowOnScreen(int stackId) { |
| return stackId != PINNED_STACK_ID; |
| } |
| |
| /** |
| * Returns true if the backdrop on the client side should match the frame of the window. |
| * Returns false, if the backdrop should be fullscreen. |
| */ |
| public static boolean useWindowFrameForBackdrop(int stackId) { |
| return stackId == FREEFORM_WORKSPACE_STACK_ID || stackId == PINNED_STACK_ID; |
| } |
| |
| /** |
| * Returns true if a window from the specified stack with {@param stackId} are normally |
| * fullscreen, i. e. they can become the top opaque fullscreen window, meaning that it |
| * controls system bars, lockscreen occluded/dismissing state, screen rotation animation, |
| * etc. |
| */ |
| public static boolean normallyFullscreenWindows(int stackId) { |
| return stackId != PINNED_STACK_ID && stackId != FREEFORM_WORKSPACE_STACK_ID |
| && stackId != DOCKED_STACK_ID; |
| } |
| |
| /** |
| * Returns true if the input stack id should only be present on a device that supports |
| * multi-window mode. |
| * @see android.app.ActivityManager#supportsMultiWindow |
| */ |
| public static boolean isMultiWindowStack(int stackId) { |
| return isStaticStack(stackId) || stackId == PINNED_STACK_ID |
| || stackId == FREEFORM_WORKSPACE_STACK_ID || stackId == DOCKED_STACK_ID; |
| } |
| |
| /** |
| * Returns true if activities contained in this stack can request visible behind by |
| * calling {@link Activity#requestVisibleBehind}. |
| */ |
| public static boolean activitiesCanRequestVisibleBehind(int stackId) { |
| return stackId == FULLSCREEN_WORKSPACE_STACK_ID; |
| } |
| |
| /** |
| * Returns true if this stack may be scaled without resizing, |
| * and windows within may need to be configured as such. |
| */ |
| public static boolean windowsAreScaleable(int stackId) { |
| return stackId == PINNED_STACK_ID; |
| } |
| |
| /** |
| * Returns true if windows in this stack should be given move animations |
| * by default. |
| */ |
| public static boolean hasMovementAnimations(int stackId) { |
| return stackId != PINNED_STACK_ID; |
| } |
| |
| /** Returns true if the input stack and its content can affect the device orientation. */ |
| public static boolean canSpecifyOrientation(int stackId) { |
| return stackId == HOME_STACK_ID || stackId == FULLSCREEN_WORKSPACE_STACK_ID; |
| } |
| } |
| |
| /** |
| * Input parameter to {@link android.app.IActivityManager#moveTaskToDockedStack} which |
| * specifies the position of the created docked stack at the top half of the screen if |
| * in portrait mode or at the left half of the screen if in landscape mode. |
| * @hide |
| */ |
| public static final int DOCKED_STACK_CREATE_MODE_TOP_OR_LEFT = 0; |
| |
| /** |
| * Input parameter to {@link android.app.IActivityManager#moveTaskToDockedStack} which |
| * specifies the position of the created docked stack at the bottom half of the screen if |
| * in portrait mode or at the right half of the screen if in landscape mode. |
| * @hide |
| */ |
| public static final int DOCKED_STACK_CREATE_MODE_BOTTOM_OR_RIGHT = 1; |
| |
| /** |
| * Input parameter to {@link android.app.IActivityManager#resizeTask} which indicates |
| * that the resize doesn't need to preserve the window, and can be skipped if bounds |
| * is unchanged. This mode is used by window manager in most cases. |
| * @hide |
| */ |
| public static final int RESIZE_MODE_SYSTEM = 0; |
| |
| /** |
| * Input parameter to {@link android.app.IActivityManager#resizeTask} which indicates |
| * that the resize should preserve the window if possible. |
| * @hide |
| */ |
| public static final int RESIZE_MODE_PRESERVE_WINDOW = (0x1 << 0); |
| |
| /** |
| * Input parameter to {@link android.app.IActivityManager#resizeTask} which indicates |
| * that the resize should be performed even if the bounds appears unchanged. |
| * @hide |
| */ |
| public static final int RESIZE_MODE_FORCED = (0x1 << 1); |
| |
| /** |
| * Input parameter to {@link android.app.IActivityManager#resizeTask} used by window |
| * manager during a screen rotation. |
| * @hide |
| */ |
| public static final int RESIZE_MODE_SYSTEM_SCREEN_ROTATION = RESIZE_MODE_PRESERVE_WINDOW; |
| |
| /** |
| * Input parameter to {@link android.app.IActivityManager#resizeTask} used when the |
| * resize is due to a drag action. |
| * @hide |
| */ |
| public static final int RESIZE_MODE_USER = RESIZE_MODE_PRESERVE_WINDOW; |
| |
| /** |
| * Input parameter to {@link android.app.IActivityManager#resizeTask} which indicates |
| * that the resize should preserve the window if possible, and should not be skipped |
| * even if the bounds is unchanged. Usually used to force a resizing when a drag action |
| * is ending. |
| * @hide |
| */ |
| public static final int RESIZE_MODE_USER_FORCED = |
| RESIZE_MODE_PRESERVE_WINDOW | RESIZE_MODE_FORCED; |
| |
| /** @hide */ |
| public int getFrontActivityScreenCompatMode() { |
| try { |
| return ActivityManagerNative.getDefault().getFrontActivityScreenCompatMode(); |
| } catch (RemoteException e) { |
| throw e.rethrowFromSystemServer(); |
| } |
| } |
| |
| /** @hide */ |
| public void setFrontActivityScreenCompatMode(int mode) { |
| try { |
| ActivityManagerNative.getDefault().setFrontActivityScreenCompatMode(mode); |
| } catch (RemoteException e) { |
| throw e.rethrowFromSystemServer(); |
| } |
| } |
| |
| /** @hide */ |
| public int getPackageScreenCompatMode(String packageName) { |
| try { |
| return ActivityManagerNative.getDefault().getPackageScreenCompatMode(packageName); |
| } catch (RemoteException e) { |
| throw e.rethrowFromSystemServer(); |
| } |
| } |
| |
| /** @hide */ |
| public void setPackageScreenCompatMode(String packageName, int mode) { |
| try { |
| ActivityManagerNative.getDefault().setPackageScreenCompatMode(packageName, mode); |
| } catch (RemoteException e) { |
| throw e.rethrowFromSystemServer(); |
| } |
| } |
| |
| /** @hide */ |
| public boolean getPackageAskScreenCompat(String packageName) { |
| try { |
| return ActivityManagerNative.getDefault().getPackageAskScreenCompat(packageName); |
| } catch (RemoteException e) { |
| throw e.rethrowFromSystemServer(); |
| } |
| } |
| |
| /** @hide */ |
| public void setPackageAskScreenCompat(String packageName, boolean ask) { |
| try { |
| ActivityManagerNative.getDefault().setPackageAskScreenCompat(packageName, ask); |
| } catch (RemoteException e) { |
| throw e.rethrowFromSystemServer(); |
| } |
| } |
| |
| /** |
| * Return the approximate per-application memory class of the current |
| * device. This gives you an idea of how hard a memory limit you should |
| * impose on your application to let the overall system work best. The |
| * returned value is in megabytes; the baseline Android memory class is |
| * 16 (which happens to be the Java heap limit of those devices); some |
| * device with more memory may return 24 or even higher numbers. |
| */ |
| public int getMemoryClass() { |
| return staticGetMemoryClass(); |
| } |
| |
| /** @hide */ |
| static public int staticGetMemoryClass() { |
| // Really brain dead right now -- just take this from the configured |
| // vm heap size, and assume it is in megabytes and thus ends with "m". |
| String vmHeapSize = SystemProperties.get("dalvik.vm.heapgrowthlimit", ""); |
| if (vmHeapSize != null && !"".equals(vmHeapSize)) { |
| return Integer.parseInt(vmHeapSize.substring(0, vmHeapSize.length()-1)); |
| } |
| return staticGetLargeMemoryClass(); |
| } |
| |
| /** |
| * Return the approximate per-application memory class of the current |
| * device when an application is running with a large heap. This is the |
| * space available for memory-intensive applications; most applications |
| * should not need this amount of memory, and should instead stay with the |
| * {@link #getMemoryClass()} limit. The returned value is in megabytes. |
| * This may be the same size as {@link #getMemoryClass()} on memory |
| * constrained devices, or it may be significantly larger on devices with |
| * a large amount of available RAM. |
| * |
| * <p>The is the size of the application's Dalvik heap if it has |
| * specified <code>android:largeHeap="true"</code> in its manifest. |
| */ |
| public int getLargeMemoryClass() { |
| return staticGetLargeMemoryClass(); |
| } |
| |
| /** @hide */ |
| static public int staticGetLargeMemoryClass() { |
| // Really brain dead right now -- just take this from the configured |
| // vm heap size, and assume it is in megabytes and thus ends with "m". |
| String vmHeapSize = SystemProperties.get("dalvik.vm.heapsize", "16m"); |
| return Integer.parseInt(vmHeapSize.substring(0, vmHeapSize.length() - 1)); |
| } |
| |
| /** |
| * Returns true if this is a low-RAM device. Exactly whether a device is low-RAM |
| * is ultimately up to the device configuration, but currently it generally means |
| * something in the class of a 512MB device with about a 800x480 or less screen. |
| * This is mostly intended to be used by apps to determine whether they should turn |
| * off certain features that require more RAM. |
| */ |
| public boolean isLowRamDevice() { |
| return isLowRamDeviceStatic(); |
| } |
| |
| /** @hide */ |
| public static boolean isLowRamDeviceStatic() { |
| return RoSystemProperties.CONFIG_LOW_RAM; |
| } |
| |
| /** |
| * Used by persistent processes to determine if they are running on a |
| * higher-end device so should be okay using hardware drawing acceleration |
| * (which tends to consume a lot more RAM). |
| * @hide |
| */ |
| static public boolean isHighEndGfx() { |
| return !isLowRamDeviceStatic() && |
| !Resources.getSystem().getBoolean(com.android.internal.R.bool.config_avoidGfxAccel); |
| } |
| |
| /** |
| * Return the maximum number of recents entries that we will maintain and show. |
| * @hide |
| */ |
| static public int getMaxRecentTasksStatic() { |
| if (gMaxRecentTasks < 0) { |
| return gMaxRecentTasks = isLowRamDeviceStatic() ? 36 : 48; |
| } |
| return gMaxRecentTasks; |
| } |
| |
| /** |
| * Return the default limit on the number of recents that an app can make. |
| * @hide |
| */ |
| static public int getDefaultAppRecentsLimitStatic() { |
| return getMaxRecentTasksStatic() / 6; |
| } |
| |
| /** |
| * Return the maximum limit on the number of recents that an app can make. |
| * @hide |
| */ |
| static public int getMaxAppRecentsLimitStatic() { |
| return getMaxRecentTasksStatic() / 2; |
| } |
| |
| /** |
| * Returns true if the system supports at least one form of multi-window. |
| * E.g. freeform, split-screen, picture-in-picture. |
| * @hide |
| */ |
| static public boolean supportsMultiWindow() { |
| return !isLowRamDeviceStatic() |
| && Resources.getSystem().getBoolean( |
| com.android.internal.R.bool.config_supportsMultiWindow); |
| } |
| |
| /** |
| * Information you can set and retrieve about the current activity within the recent task list. |
| */ |
| public static class TaskDescription implements Parcelable { |
| /** @hide */ |
| public static final String ATTR_TASKDESCRIPTION_PREFIX = "task_description_"; |
| private static final String ATTR_TASKDESCRIPTIONLABEL = |
| ATTR_TASKDESCRIPTION_PREFIX + "label"; |
| private static final String ATTR_TASKDESCRIPTIONCOLOR_PRIMARY = |
| ATTR_TASKDESCRIPTION_PREFIX + "color"; |
| private static final String ATTR_TASKDESCRIPTIONCOLOR_BACKGROUND = |
| ATTR_TASKDESCRIPTION_PREFIX + "colorBackground"; |
| private static final String ATTR_TASKDESCRIPTIONICONFILENAME = |
| ATTR_TASKDESCRIPTION_PREFIX + "icon_filename"; |
| |
| private String mLabel; |
| private Bitmap mIcon; |
| private String mIconFilename; |
| private int mColorPrimary; |
| private int mColorBackground; |
| |
| /** |
| * Creates the TaskDescription to the specified values. |
| * |
| * @param label A label and description of the current state of this task. |
| * @param icon An icon that represents the current state of this task. |
| * @param colorPrimary A color to override the theme's primary color. This color must be |
| * opaque. |
| */ |
| public TaskDescription(String label, Bitmap icon, int colorPrimary) { |
| this(label, icon, null, colorPrimary, 0); |
| if ((colorPrimary != 0) && (Color.alpha(colorPrimary) != 255)) { |
| throw new RuntimeException("A TaskDescription's primary color should be opaque"); |
| } |
| } |
| |
| /** |
| * Creates the TaskDescription to the specified values. |
| * |
| * @param label A label and description of the current state of this activity. |
| * @param icon An icon that represents the current state of this activity. |
| */ |
| public TaskDescription(String label, Bitmap icon) { |
| this(label, icon, null, 0, 0); |
| } |
| |
| /** |
| * Creates the TaskDescription to the specified values. |
| * |
| * @param label A label and description of the current state of this activity. |
| */ |
| public TaskDescription(String label) { |
| this(label, null, null, 0, 0); |
| } |
| |
| /** |
| * Creates an empty TaskDescription. |
| */ |
| public TaskDescription() { |
| this(null, null, null, 0, 0); |
| } |
| |
| /** @hide */ |
| public TaskDescription(String label, Bitmap icon, String iconFilename, int colorPrimary, |
| int colorBackground) { |
| mLabel = label; |
| mIcon = icon; |
| mIconFilename = iconFilename; |
| mColorPrimary = colorPrimary; |
| mColorBackground = colorBackground; |
| } |
| |
| /** |
| * Creates a copy of another TaskDescription. |
| */ |
| public TaskDescription(TaskDescription td) { |
| copyFrom(td); |
| } |
| |
| /** |
| * Copies this the values from another TaskDescription. |
| * @hide |
| */ |
| public void copyFrom(TaskDescription other) { |
| mLabel = other.mLabel; |
| mIcon = other.mIcon; |
| mIconFilename = other.mIconFilename; |
| mColorPrimary = other.mColorPrimary; |
| mColorBackground = other.mColorBackground; |
| } |
| |
| private TaskDescription(Parcel source) { |
| readFromParcel(source); |
| } |
| |
| /** |
| * Sets the label for this task description. |
| * @hide |
| */ |
| public void setLabel(String label) { |
| mLabel = label; |
| } |
| |
| /** |
| * Sets the primary color for this task description. |
| * @hide |
| */ |
| public void setPrimaryColor(int primaryColor) { |
| // Ensure that the given color is valid |
| if ((primaryColor != 0) && (Color.alpha(primaryColor) != 255)) { |
| throw new RuntimeException("A TaskDescription's primary color should be opaque"); |
| } |
| mColorPrimary = primaryColor; |
| } |
| |
| /** |
| * Sets the background color for this task description. |
| * @hide |
| */ |
| public void setBackgroundColor(int backgroundColor) { |
| // Ensure that the given color is valid |
| if ((backgroundColor != 0) && (Color.alpha(backgroundColor) != 255)) { |
| throw new RuntimeException("A TaskDescription's background color should be opaque"); |
| } |
| mColorBackground = backgroundColor; |
| } |
| |
| /** |
| * Sets the icon for this task description. |
| * @hide |
| */ |
| public void setIcon(Bitmap icon) { |
| mIcon = icon; |
| } |
| |
| /** |
| * Moves the icon bitmap reference from an actual Bitmap to a file containing the |
| * bitmap. |
| * @hide |
| */ |
| public void setIconFilename(String iconFilename) { |
| mIconFilename = iconFilename; |
| mIcon = null; |
| } |
| |
| /** |
| * @return The label and description of the current state of this task. |
| */ |
| public String getLabel() { |
| return mLabel; |
| } |
| |
| /** |
| * @return The icon that represents the current state of this task. |
| */ |
| public Bitmap getIcon() { |
| if (mIcon != null) { |
| return mIcon; |
| } |
| return loadTaskDescriptionIcon(mIconFilename, UserHandle.myUserId()); |
| } |
| |
| /** @hide */ |
| public String getIconFilename() { |
| return mIconFilename; |
| } |
| |
| /** @hide */ |
| public Bitmap getInMemoryIcon() { |
| return mIcon; |
| } |
| |
| /** @hide */ |
| public static Bitmap loadTaskDescriptionIcon(String iconFilename, int userId) { |
| if (iconFilename != null) { |
| try { |
| return ActivityManagerNative.getDefault().getTaskDescriptionIcon(iconFilename, |
| userId); |
| } catch (RemoteException e) { |
| throw e.rethrowFromSystemServer(); |
| } |
| } |
| return null; |
| } |
| |
| /** |
| * @return The color override on the theme's primary color. |
| */ |
| public int getPrimaryColor() { |
| return mColorPrimary; |
| } |
| |
| /** |
| * @return The background color. |
| * @hide |
| */ |
| public int getBackgroundColor() { |
| return mColorBackground; |
| } |
| |
| /** @hide */ |
| public void saveToXml(XmlSerializer out) throws IOException { |
| if (mLabel != null) { |
| out.attribute(null, ATTR_TASKDESCRIPTIONLABEL, mLabel); |
| } |
| if (mColorPrimary != 0) { |
| out.attribute(null, ATTR_TASKDESCRIPTIONCOLOR_PRIMARY, |
| Integer.toHexString(mColorPrimary)); |
| } |
| if (mColorBackground != 0) { |
| out.attribute(null, ATTR_TASKDESCRIPTIONCOLOR_BACKGROUND, |
| Integer.toHexString(mColorBackground)); |
| } |
| if (mIconFilename != null) { |
| out.attribute(null, ATTR_TASKDESCRIPTIONICONFILENAME, mIconFilename); |
| } |
| } |
| |
| /** @hide */ |
| public void restoreFromXml(String attrName, String attrValue) { |
| if (ATTR_TASKDESCRIPTIONLABEL.equals(attrName)) { |
| setLabel(attrValue); |
| } else if (ATTR_TASKDESCRIPTIONCOLOR_PRIMARY.equals(attrName)) { |
| setPrimaryColor((int) Long.parseLong(attrValue, 16)); |
| } else if (ATTR_TASKDESCRIPTIONCOLOR_BACKGROUND.equals(attrName)) { |
| setBackgroundColor((int) Long.parseLong(attrValue, 16)); |
| } else if (ATTR_TASKDESCRIPTIONICONFILENAME.equals(attrName)) { |
| setIconFilename(attrValue); |
| } |
| } |
| |
| @Override |
| public int describeContents() { |
| return 0; |
| } |
| |
| @Override |
| public void writeToParcel(Parcel dest, int flags) { |
| if (mLabel == null) { |
| dest.writeInt(0); |
| } else { |
| dest.writeInt(1); |
| dest.writeString(mLabel); |
| } |
| if (mIcon == null) { |
| dest.writeInt(0); |
| } else { |
| dest.writeInt(1); |
| mIcon.writeToParcel(dest, 0); |
| } |
| dest.writeInt(mColorPrimary); |
| dest.writeInt(mColorBackground); |
| if (mIconFilename == null) { |
| dest.writeInt(0); |
| } else { |
| dest.writeInt(1); |
| dest.writeString(mIconFilename); |
| } |
| } |
| |
| public void readFromParcel(Parcel source) { |
| mLabel = source.readInt() > 0 ? source.readString() : null; |
| mIcon = source.readInt() > 0 ? Bitmap.CREATOR.createFromParcel(source) : null; |
| mColorPrimary = source.readInt(); |
| mColorBackground = source.readInt(); |
| mIconFilename = source.readInt() > 0 ? source.readString() : null; |
| } |
| |
| public static final Creator<TaskDescription> CREATOR |
| = new Creator<TaskDescription>() { |
| public TaskDescription createFromParcel(Parcel source) { |
| return new TaskDescription(source); |
| } |
| public TaskDescription[] newArray(int size) { |
| return new TaskDescription[size]; |
| } |
| }; |
| |
| @Override |
| public String toString() { |
| return "TaskDescription Label: " + mLabel + " Icon: " + mIcon + |
| " IconFilename: " + mIconFilename + " colorPrimary: " + mColorPrimary + |
| " colorBackground: " + mColorBackground; |
| } |
| } |
| |
| /** |
| * Information you can retrieve about tasks that the user has most recently |
| * started or visited. |
| */ |
| public static class RecentTaskInfo implements Parcelable { |
| /** |
| * If this task is currently running, this is the identifier for it. |
| * If it is not running, this will be -1. |
| */ |
| public int id; |
| |
| /** |
| * The true identifier of this task, valid even if it is not running. |
| */ |
| public int persistentId; |
| |
| /** |
| * The original Intent used to launch the task. You can use this |
| * Intent to re-launch the task (if it is no longer running) or bring |
| * the current task to the front. |
| */ |
| public Intent baseIntent; |
| |
| /** |
| * If this task was started from an alias, this is the actual |
| * activity component that was initially started; the component of |
| * the baseIntent in this case is the name of the actual activity |
| * implementation that the alias referred to. Otherwise, this is null. |
| */ |
| public ComponentName origActivity; |
| |
| /** |
| * The actual activity component that started the task. |
| * @hide |
| */ |
| @Nullable |
| public ComponentName realActivity; |
| |
| /** |
| * Description of the task's last state. |
| */ |
| public CharSequence description; |
| |
| /** |
| * The id of the ActivityStack this Task was on most recently. |
| * @hide |
| */ |
| public int stackId; |
| |
| /** |
| * The id of the user the task was running as. |
| * @hide |
| */ |
| public int userId; |
| |
| /** |
| * The first time this task was active. |
| * @hide |
| */ |
| public long firstActiveTime; |
| |
| /** |
| * The last time this task was active. |
| * @hide |
| */ |
| public long lastActiveTime; |
| |
| /** |
| * The recent activity values for the highest activity in the stack to have set the values. |
| * {@link Activity#setTaskDescription(android.app.ActivityManager.TaskDescription)}. |
| */ |
| public TaskDescription taskDescription; |
| |
| /** |
| * Task affiliation for grouping with other tasks. |
| */ |
| public int affiliatedTaskId; |
| |
| /** |
| * Task affiliation color of the source task with the affiliated task id. |
| * |
| * @hide |
| */ |
| public int affiliatedTaskColor; |
| |
| /** |
| * The component launched as the first activity in the task. |
| * This can be considered the "application" of this task. |
| */ |
| public ComponentName baseActivity; |
| |
| /** |
| * The activity component at the top of the history stack of the task. |
| * This is what the user is currently doing. |
| */ |
| public ComponentName topActivity; |
| |
| /** |
| * Number of activities in this task. |
| */ |
| public int numActivities; |
| |
| /** |
| * The bounds of the task. |
| * @hide |
| */ |
| public Rect bounds; |
| |
| /** |
| * True if the task can go in the docked stack. |
| * @hide |
| */ |
| public boolean isDockable; |
| |
| /** |
| * The resize mode of the task. See {@link ActivityInfo#resizeMode}. |
| * @hide |
| */ |
| public int resizeMode; |
| |
| public RecentTaskInfo() { |
| } |
| |
| @Override |
| public int describeContents() { |
| return 0; |
| } |
| |
| @Override |
| public void writeToParcel(Parcel dest, int flags) { |
| dest.writeInt(id); |
| dest.writeInt(persistentId); |
| if (baseIntent != null) { |
| dest.writeInt(1); |
| baseIntent.writeToParcel(dest, 0); |
| } else { |
| dest.writeInt(0); |
| } |
| ComponentName.writeToParcel(origActivity, dest); |
| ComponentName.writeToParcel(realActivity, dest); |
| TextUtils.writeToParcel(description, dest, |
| Parcelable.PARCELABLE_WRITE_RETURN_VALUE); |
| if (taskDescription != null) { |
| dest.writeInt(1); |
| taskDescription.writeToParcel(dest, 0); |
| } else { |
| dest.writeInt(0); |
| } |
| dest.writeInt(stackId); |
| dest.writeInt(userId); |
| dest.writeLong(firstActiveTime); |
| dest.writeLong(lastActiveTime); |
| dest.writeInt(affiliatedTaskId); |
| dest.writeInt(affiliatedTaskColor); |
| ComponentName.writeToParcel(baseActivity, dest); |
| ComponentName.writeToParcel(topActivity, dest); |
| dest.writeInt(numActivities); |
| if (bounds != null) { |
| dest.writeInt(1); |
| bounds.writeToParcel(dest, 0); |
| } else { |
| dest.writeInt(0); |
| } |
| dest.writeInt(isDockable ? 1 : 0); |
| dest.writeInt(resizeMode); |
| } |
| |
| public void readFromParcel(Parcel source) { |
| id = source.readInt(); |
| persistentId = source.readInt(); |
| baseIntent = source.readInt() > 0 ? Intent.CREATOR.createFromParcel(source) : null; |
| origActivity = ComponentName.readFromParcel(source); |
| realActivity = ComponentName.readFromParcel(source); |
| description = TextUtils.CHAR_SEQUENCE_CREATOR.createFromParcel(source); |
| taskDescription = source.readInt() > 0 ? |
| TaskDescription.CREATOR.createFromParcel(source) : null; |
| stackId = source.readInt(); |
| userId = source.readInt(); |
| firstActiveTime = source.readLong(); |
| lastActiveTime = source.readLong(); |
| affiliatedTaskId = source.readInt(); |
| affiliatedTaskColor = source.readInt(); |
| baseActivity = ComponentName.readFromParcel(source); |
| topActivity = ComponentName.readFromParcel(source); |
| numActivities = source.readInt(); |
| bounds = source.readInt() > 0 ? |
| Rect.CREATOR.createFromParcel(source) : null; |
| isDockable = source.readInt() == 1; |
| resizeMode = source.readInt(); |
| } |
| |
| public static final Creator<RecentTaskInfo> CREATOR |
| = new Creator<RecentTaskInfo>() { |
| public RecentTaskInfo createFromParcel(Parcel source) { |
| return new RecentTaskInfo(source); |
| } |
| public RecentTaskInfo[] newArray(int size) { |
| return new RecentTaskInfo[size]; |
| } |
| }; |
| |
| private RecentTaskInfo(Parcel source) { |
| readFromParcel(source); |
| } |
| } |
| |
| /** |
| * Flag for use with {@link #getRecentTasks}: return all tasks, even those |
| * that have set their |
| * {@link android.content.Intent#FLAG_ACTIVITY_EXCLUDE_FROM_RECENTS} flag. |
| */ |
| public static final int RECENT_WITH_EXCLUDED = 0x0001; |
| |
| /** |
| * Provides a list that does not contain any |
| * recent tasks that currently are not available to the user. |
| */ |
| public static final int RECENT_IGNORE_UNAVAILABLE = 0x0002; |
| |
| /** |
| * Provides a list that contains recent tasks for all |
| * profiles of a user. |
| * @hide |
| */ |
| public static final int RECENT_INCLUDE_PROFILES = 0x0004; |
| |
| /** |
| * Ignores all tasks that are on the home stack. |
| * @hide |
| */ |
| public static final int RECENT_IGNORE_HOME_STACK_TASKS = 0x0008; |
| |
| /** |
| * Ignores the top task in the docked stack. |
| * @hide |
| */ |
| public static final int RECENT_INGORE_DOCKED_STACK_TOP_TASK = 0x0010; |
| |
| /** |
| * Ignores all tasks that are on the pinned stack. |
| * @hide |
| */ |
| public static final int RECENT_INGORE_PINNED_STACK_TASKS = 0x0020; |
| |
| /** |
| * <p></p>Return a list of the tasks that the user has recently launched, with |
| * the most recent being first and older ones after in order. |
| * |
| * <p><b>Note: this method is only intended for debugging and presenting |
| * task management user interfaces</b>. This should never be used for |
| * core logic in an application, such as deciding between different |
| * behaviors based on the information found here. Such uses are |
| * <em>not</em> supported, and will likely break in the future. For |
| * example, if multiple applications can be actively running at the |
| * same time, assumptions made about the meaning of the data here for |
| * purposes of control flow will be incorrect.</p> |
| * |
| * @deprecated As of {@link android.os.Build.VERSION_CODES#LOLLIPOP}, this method is |
| * no longer available to third party applications: the introduction of |
| * document-centric recents means |
| * it can leak personal information to the caller. For backwards compatibility, |
| * it will still return a small subset of its data: at least the caller's |
| * own tasks (though see {@link #getAppTasks()} for the correct supported |
| * way to retrieve that information), and possibly some other tasks |
| * such as home that are known to not be sensitive. |
| * |
| * @param maxNum The maximum number of entries to return in the list. The |
| * actual number returned may be smaller, depending on how many tasks the |
| * user has started and the maximum number the system can remember. |
| * @param flags Information about what to return. May be any combination |
| * of {@link #RECENT_WITH_EXCLUDED} and {@link #RECENT_IGNORE_UNAVAILABLE}. |
| * |
| * @return Returns a list of RecentTaskInfo records describing each of |
| * the recent tasks. |
| */ |
| @Deprecated |
| public List<RecentTaskInfo> getRecentTasks(int maxNum, int flags) |
| throws SecurityException { |
| try { |
| return ActivityManagerNative.getDefault().getRecentTasks(maxNum, |
| flags, UserHandle.myUserId()).getList(); |
| } catch (RemoteException e) { |
| throw e.rethrowFromSystemServer(); |
| } |
| } |
| |
| /** |
| * Same as {@link #getRecentTasks(int, int)} but returns the recent tasks for a |
| * specific user. It requires holding |
| * the {@link android.Manifest.permission#INTERACT_ACROSS_USERS_FULL} permission. |
| * @param maxNum The maximum number of entries to return in the list. The |
| * actual number returned may be smaller, depending on how many tasks the |
| * user has started and the maximum number the system can remember. |
| * @param flags Information about what to return. May be any combination |
| * of {@link #RECENT_WITH_EXCLUDED} and {@link #RECENT_IGNORE_UNAVAILABLE}. |
| * |
| * @return Returns a list of RecentTaskInfo records describing each of |
| * the recent tasks. Most recently activated tasks go first. |
| * |
| * @hide |
| */ |
| public List<RecentTaskInfo> getRecentTasksForUser(int maxNum, int flags, int userId) |
| throws SecurityException { |
| try { |
| return ActivityManagerNative.getDefault().getRecentTasks(maxNum, |
| flags, userId).getList(); |
| } catch (RemoteException e) { |
| throw e.rethrowFromSystemServer(); |
| } |
| } |
| |
| /** |
| * Information you can retrieve about a particular task that is currently |
| * "running" in the system. Note that a running task does not mean the |
| * given task actually has a process it is actively running in; it simply |
| * means that the user has gone to it and never closed it, but currently |
| * the system may have killed its process and is only holding on to its |
| * last state in order to restart it when the user returns. |
| */ |
| public static class RunningTaskInfo implements Parcelable { |
| /** |
| * A unique identifier for this task. |
| */ |
| public int id; |
| |
| /** |
| * The stack that currently contains this task. |
| * @hide |
| */ |
| public int stackId; |
| |
| /** |
| * The component launched as the first activity in the task. This can |
| * be considered the "application" of this task. |
| */ |
| public ComponentName baseActivity; |
| |
| /** |
| * The activity component at the top of the history stack of the task. |
| * This is what the user is currently doing. |
| */ |
| public ComponentName topActivity; |
| |
| /** |
| * Thumbnail representation of the task's current state. Currently |
| * always null. |
| */ |
| public Bitmap thumbnail; |
| |
| /** |
| * Description of the task's current state. |
| */ |
| public CharSequence description; |
| |
| /** |
| * Number of activities in this task. |
| */ |
| public int numActivities; |
| |
| /** |
| * Number of activities that are currently running (not stopped |
| * and persisted) in this task. |
| */ |
| public int numRunning; |
| |
| /** |
| * Last time task was run. For sorting. |
| * @hide |
| */ |
| public long lastActiveTime; |
| |
| /** |
| * True if the task can go in the docked stack. |
| * @hide |
| */ |
| public boolean isDockable; |
| |
| /** |
| * The resize mode of the task. See {@link ActivityInfo#resizeMode}. |
| * @hide |
| */ |
| public int resizeMode; |
| |
| public RunningTaskInfo() { |
| } |
| |
| public int describeContents() { |
| return 0; |
| } |
| |
| public void writeToParcel(Parcel dest, int flags) { |
| dest.writeInt(id); |
| dest.writeInt(stackId); |
| ComponentName.writeToParcel(baseActivity, dest); |
| ComponentName.writeToParcel(topActivity, dest); |
| if (thumbnail != null) { |
| dest.writeInt(1); |
| thumbnail.writeToParcel(dest, 0); |
| } else { |
| dest.writeInt(0); |
| } |
| TextUtils.writeToParcel(description, dest, |
| Parcelable.PARCELABLE_WRITE_RETURN_VALUE); |
| dest.writeInt(numActivities); |
| dest.writeInt(numRunning); |
| dest.writeInt(isDockable ? 1 : 0); |
| dest.writeInt(resizeMode); |
| } |
| |
| public void readFromParcel(Parcel source) { |
| id = source.readInt(); |
| stackId = source.readInt(); |
| baseActivity = ComponentName.readFromParcel(source); |
| topActivity = ComponentName.readFromParcel(source); |
| if (source.readInt() != 0) { |
| thumbnail = Bitmap.CREATOR.createFromParcel(source); |
| } else { |
| thumbnail = null; |
| } |
| description = TextUtils.CHAR_SEQUENCE_CREATOR.createFromParcel(source); |
| numActivities = source.readInt(); |
| numRunning = source.readInt(); |
| isDockable = source.readInt() != 0; |
| resizeMode = source.readInt(); |
| } |
| |
| public static final Creator<RunningTaskInfo> CREATOR = new Creator<RunningTaskInfo>() { |
| public RunningTaskInfo createFromParcel(Parcel source) { |
| return new RunningTaskInfo(source); |
| } |
| public RunningTaskInfo[] newArray(int size) { |
| return new RunningTaskInfo[size]; |
| } |
| }; |
| |
| private RunningTaskInfo(Parcel source) { |
| readFromParcel(source); |
| } |
| } |
| |
| /** |
| * Get the list of tasks associated with the calling application. |
| * |
| * @return The list of tasks associated with the application making this call. |
| * @throws SecurityException |
| */ |
| public List<ActivityManager.AppTask> getAppTasks() { |
| ArrayList<AppTask> tasks = new ArrayList<AppTask>(); |
| List<IBinder> appTasks; |
| try { |
| appTasks = ActivityManagerNative.getDefault().getAppTasks(mContext.getPackageName()); |
| } catch (RemoteException e) { |
| throw e.rethrowFromSystemServer(); |
| } |
| int numAppTasks = appTasks.size(); |
| for (int i = 0; i < numAppTasks; i++) { |
| tasks.add(new AppTask(IAppTask.Stub.asInterface(appTasks.get(i)))); |
| } |
| return tasks; |
| } |
| |
| /** |
| * Return the current design dimensions for {@link AppTask} thumbnails, for use |
| * with {@link #addAppTask}. |
| */ |
| public Size getAppTaskThumbnailSize() { |
| synchronized (this) { |
| ensureAppTaskThumbnailSizeLocked(); |
| return new Size(mAppTaskThumbnailSize.x, mAppTaskThumbnailSize.y); |
| } |
| } |
| |
| private void ensureAppTaskThumbnailSizeLocked() { |
| if (mAppTaskThumbnailSize == null) { |
| try { |
| mAppTaskThumbnailSize = ActivityManagerNative.getDefault().getAppTaskThumbnailSize(); |
| } catch (RemoteException e) { |
| throw e.rethrowFromSystemServer(); |
| } |
| } |
| } |
| |
| /** |
| * Add a new {@link AppTask} for the calling application. This will create a new |
| * recents entry that is added to the <b>end</b> of all existing recents. |
| * |
| * @param activity The activity that is adding the entry. This is used to help determine |
| * the context that the new recents entry will be in. |
| * @param intent The Intent that describes the recents entry. This is the same Intent that |
| * you would have used to launch the activity for it. In generally you will want to set |
| * both {@link Intent#FLAG_ACTIVITY_NEW_DOCUMENT} and |
| * {@link Intent#FLAG_ACTIVITY_RETAIN_IN_RECENTS}; the latter is required since this recents |
| * entry will exist without an activity, so it doesn't make sense to not retain it when |
| * its activity disappears. The given Intent here also must have an explicit ComponentName |
| * set on it. |
| * @param description Optional additional description information. |
| * @param thumbnail Thumbnail to use for the recents entry. Should be the size given by |
| * {@link #getAppTaskThumbnailSize()}. If the bitmap is not that exact size, it will be |
| * recreated in your process, probably in a way you don't like, before the recents entry |
| * is added. |
| * |
| * @return Returns the task id of the newly added app task, or -1 if the add failed. The |
| * most likely cause of failure is that there is no more room for more tasks for your app. |
| */ |
| public int addAppTask(@NonNull Activity activity, @NonNull Intent intent, |
| @Nullable TaskDescription description, @NonNull Bitmap thumbnail) { |
| Point size; |
| synchronized (this) { |
| ensureAppTaskThumbnailSizeLocked(); |
| size = mAppTaskThumbnailSize; |
| } |
| final int tw = thumbnail.getWidth(); |
| final int th = thumbnail.getHeight(); |
| if (tw != size.x || th != size.y) { |
| Bitmap bm = Bitmap.createBitmap(size.x, size.y, thumbnail.getConfig()); |
| |
| // Use ScaleType.CENTER_CROP, except we leave the top edge at the top. |
| float scale; |
| float dx = 0, dy = 0; |
| if (tw * size.x > size.y * th) { |
| scale = (float) size.x / (float) th; |
| dx = (size.y - tw * scale) * 0.5f; |
| } else { |
| scale = (float) size.y / (float) tw; |
| dy = (size.x - th * scale) * 0.5f; |
| } |
| Matrix matrix = new Matrix(); |
| matrix.setScale(scale, scale); |
| matrix.postTranslate((int) (dx + 0.5f), 0); |
| |
| Canvas canvas = new Canvas(bm); |
| canvas.drawBitmap(thumbnail, matrix, null); |
| canvas.setBitmap(null); |
| |
| thumbnail = bm; |
| } |
| if (description == null) { |
| description = new TaskDescription(); |
| } |
| try { |
| return ActivityManagerNative.getDefault().addAppTask(activity.getActivityToken(), |
| intent, description, thumbnail); |
| } catch (RemoteException e) { |
| throw e.rethrowFromSystemServer(); |
| } |
| } |
| |
| /** |
| * Return a list of the tasks that are currently running, with |
| * the most recent being first and older ones after in order. Note that |
| * "running" does not mean any of the task's code is currently loaded or |
| * activity -- the task may have been frozen by the system, so that it |
| * can be restarted in its previous state when next brought to the |
| * foreground. |
| * |
| * <p><b>Note: this method is only intended for debugging and presenting |
| * task management user interfaces</b>. This should never be used for |
| * core logic in an application, such as deciding between different |
| * behaviors based on the information found here. Such uses are |
| * <em>not</em> supported, and will likely break in the future. For |
| * example, if multiple applications can be actively running at the |
| * same time, assumptions made about the meaning of the data here for |
| * purposes of control flow will be incorrect.</p> |
| * |
| * @deprecated As of {@link android.os.Build.VERSION_CODES#LOLLIPOP}, this method |
| * is no longer available to third party |
| * applications: the introduction of document-centric recents means |
| * it can leak person information to the caller. For backwards compatibility, |
| * it will still retu rn a small subset of its data: at least the caller's |
| * own tasks, and possibly some other tasks |
| * such as home that are known to not be sensitive. |
| * |
| * @param maxNum The maximum number of entries to return in the list. The |
| * actual number returned may be smaller, depending on how many tasks the |
| * user has started. |
| * |
| * @return Returns a list of RunningTaskInfo records describing each of |
| * the running tasks. |
| */ |
| @Deprecated |
| public List<RunningTaskInfo> getRunningTasks(int maxNum) |
| throws SecurityException { |
| try { |
| return ActivityManagerNative.getDefault().getTasks(maxNum, 0); |
| } catch (RemoteException e) { |
| throw e.rethrowFromSystemServer(); |
| } |
| } |
| |
| /** |
| * Completely remove the given task. |
| * |
| * @param taskId Identifier of the task to be removed. |
| * @return Returns true if the given task was found and removed. |
| * |
| * @hide |
| */ |
| public boolean removeTask(int taskId) throws SecurityException { |
| try { |
| return ActivityManagerNative.getDefault().removeTask(taskId); |
| } catch (RemoteException e) { |
| throw e.rethrowFromSystemServer(); |
| } |
| } |
| |
| /** |
| * Metadata related to the {@link TaskThumbnail}. |
| * |
| * @hide |
| */ |
| public static class TaskThumbnailInfo implements Parcelable { |
| /** @hide */ |
| public static final String ATTR_TASK_THUMBNAILINFO_PREFIX = "task_thumbnailinfo_"; |
| private static final String ATTR_TASK_WIDTH = |
| ATTR_TASK_THUMBNAILINFO_PREFIX + "task_width"; |
| private static final String ATTR_TASK_HEIGHT = |
| ATTR_TASK_THUMBNAILINFO_PREFIX + "task_height"; |
| private static final String ATTR_SCREEN_ORIENTATION = |
| ATTR_TASK_THUMBNAILINFO_PREFIX + "screen_orientation"; |
| |
| public int taskWidth; |
| public int taskHeight; |
| public int screenOrientation = Configuration.ORIENTATION_UNDEFINED; |
| |
| public TaskThumbnailInfo() { |
| // Do nothing |
| } |
| |
| private TaskThumbnailInfo(Parcel source) { |
| readFromParcel(source); |
| } |
| |
| /** |
| * Resets this info state to the initial state. |
| * @hide |
| */ |
| public void reset() { |
| taskWidth = 0; |
| taskHeight = 0; |
| screenOrientation = Configuration.ORIENTATION_UNDEFINED; |
| } |
| |
| /** |
| * Copies from another ThumbnailInfo. |
| */ |
| public void copyFrom(TaskThumbnailInfo o) { |
| taskWidth = o.taskWidth; |
| taskHeight = o.taskHeight; |
| screenOrientation = o.screenOrientation; |
| } |
| |
| /** @hide */ |
| public void saveToXml(XmlSerializer out) throws IOException { |
| out.attribute(null, ATTR_TASK_WIDTH, Integer.toString(taskWidth)); |
| out.attribute(null, ATTR_TASK_HEIGHT, Integer.toString(taskHeight)); |
| out.attribute(null, ATTR_SCREEN_ORIENTATION, Integer.toString(screenOrientation)); |
| } |
| |
| /** @hide */ |
| public void restoreFromXml(String attrName, String attrValue) { |
| if (ATTR_TASK_WIDTH.equals(attrName)) { |
| taskWidth = Integer.parseInt(attrValue); |
| } else if (ATTR_TASK_HEIGHT.equals(attrName)) { |
| taskHeight = Integer.parseInt(attrValue); |
| } else if (ATTR_SCREEN_ORIENTATION.equals(attrName)) { |
| screenOrientation = Integer.parseInt(attrValue); |
| } |
| } |
| |
| public int describeContents() { |
| return 0; |
| } |
| |
| public void writeToParcel(Parcel dest, int flags) { |
| dest.writeInt(taskWidth); |
| dest.writeInt(taskHeight); |
| dest.writeInt(screenOrientation); |
| } |
| |
| public void readFromParcel(Parcel source) { |
| taskWidth = source.readInt(); |
| taskHeight = source.readInt(); |
| screenOrientation = source.readInt(); |
| } |
| |
| public static final Creator<TaskThumbnailInfo> CREATOR = new Creator<TaskThumbnailInfo>() { |
| public TaskThumbnailInfo createFromParcel(Parcel source) { |
| return new TaskThumbnailInfo(source); |
| } |
| public TaskThumbnailInfo[] newArray(int size) { |
| return new TaskThumbnailInfo[size]; |
| } |
| }; |
| } |
| |
| /** @hide */ |
| public static class TaskThumbnail implements Parcelable { |
| public Bitmap mainThumbnail; |
| public ParcelFileDescriptor thumbnailFileDescriptor; |
| public TaskThumbnailInfo thumbnailInfo; |
| |
| public TaskThumbnail() { |
| } |
| |
| private TaskThumbnail(Parcel source) { |
| readFromParcel(source); |
| } |
| |
| public int describeContents() { |
| if (thumbnailFileDescriptor != null) { |
| return thumbnailFileDescriptor.describeContents(); |
| } |
| return 0; |
| } |
| |
| public void writeToParcel(Parcel dest, int flags) { |
| if (mainThumbnail != null) { |
| dest.writeInt(1); |
| mainThumbnail.writeToParcel(dest, flags); |
| } else { |
| dest.writeInt(0); |
| } |
| if (thumbnailFileDescriptor != null) { |
| dest.writeInt(1); |
| thumbnailFileDescriptor.writeToParcel(dest, flags); |
| } else { |
| dest.writeInt(0); |
| } |
| if (thumbnailInfo != null) { |
| dest.writeInt(1); |
| thumbnailInfo.writeToParcel(dest, flags); |
| } else { |
| dest.writeInt(0); |
| } |
| } |
| |
| public void readFromParcel(Parcel source) { |
| if (source.readInt() != 0) { |
| mainThumbnail = Bitmap.CREATOR.createFromParcel(source); |
| } else { |
| mainThumbnail = null; |
| } |
| if (source.readInt() != 0) { |
| thumbnailFileDescriptor = ParcelFileDescriptor.CREATOR.createFromParcel(source); |
| } else { |
| thumbnailFileDescriptor = null; |
| } |
| if (source.readInt() != 0) { |
| thumbnailInfo = TaskThumbnailInfo.CREATOR.createFromParcel(source); |
| } else { |
| thumbnailInfo = null; |
| } |
| } |
| |
| public static final Creator<TaskThumbnail> CREATOR = new Creator<TaskThumbnail>() { |
| public TaskThumbnail createFromParcel(Parcel source) { |
| return new TaskThumbnail(source); |
| } |
| public TaskThumbnail[] newArray(int size) { |
| return new TaskThumbnail[size]; |
| } |
| }; |
| } |
| |
| /** @hide */ |
| public TaskThumbnail getTaskThumbnail(int id) throws SecurityException { |
| try { |
| return ActivityManagerNative.getDefault().getTaskThumbnail(id); |
| } catch (RemoteException e) { |
| throw e.rethrowFromSystemServer(); |
| } |
| } |
| |
| /** @hide */ |
| public boolean isInHomeStack(int taskId) { |
| try { |
| return ActivityManagerNative.getDefault().isInHomeStack(taskId); |
| } catch (RemoteException e) { |
| throw e.rethrowFromSystemServer(); |
| } |
| } |
| |
| /** |
| * Flag for {@link #moveTaskToFront(int, int)}: also move the "home" |
| * activity along with the task, so it is positioned immediately behind |
| * the task. |
| */ |
| public static final int MOVE_TASK_WITH_HOME = 0x00000001; |
| |
| /** |
| * Flag for {@link #moveTaskToFront(int, int)}: don't count this as a |
| * user-instigated action, so the current activity will not receive a |
| * hint that the user is leaving. |
| */ |
| public static final int MOVE_TASK_NO_USER_ACTION = 0x00000002; |
| |
| /** |
| * Equivalent to calling {@link #moveTaskToFront(int, int, Bundle)} |
| * with a null options argument. |
| * |
| * @param taskId The identifier of the task to be moved, as found in |
| * {@link RunningTaskInfo} or {@link RecentTaskInfo}. |
| * @param flags Additional operational flags, 0 or more of |
| * {@link #MOVE_TASK_WITH_HOME}, {@link #MOVE_TASK_NO_USER_ACTION}. |
| */ |
| public void moveTaskToFront(int taskId, int flags) { |
| moveTaskToFront(taskId, flags, null); |
| } |
| |
| /** |
| * Ask that the task associated with a given task ID be moved to the |
| * front of the stack, so it is now visible to the user. Requires that |
| * the caller hold permission {@link android.Manifest.permission#REORDER_TASKS} |
| * or a SecurityException will be thrown. |
| * |
| * @param taskId The identifier of the task to be moved, as found in |
| * {@link RunningTaskInfo} or {@link RecentTaskInfo}. |
| * @param flags Additional operational flags, 0 or more of |
| * {@link #MOVE_TASK_WITH_HOME}, {@link #MOVE_TASK_NO_USER_ACTION}. |
| * @param options Additional options for the operation, either null or |
| * as per {@link Context#startActivity(Intent, android.os.Bundle) |
| * Context.startActivity(Intent, Bundle)}. |
| */ |
| public void moveTaskToFront(int taskId, int flags, Bundle options) { |
| try { |
| ActivityManagerNative.getDefault().moveTaskToFront(taskId, flags, options); |
| } catch (RemoteException e) { |
| throw e.rethrowFromSystemServer(); |
| } |
| } |
| |
| /** |
| * Information you can retrieve about a particular Service that is |
| * currently running in the system. |
| */ |
| public static class RunningServiceInfo implements Parcelable { |
| /** |
| * The service component. |
| */ |
| public ComponentName service; |
| |
| /** |
| * If non-zero, this is the process the service is running in. |
| */ |
| public int pid; |
| |
| /** |
| * The UID that owns this service. |
| */ |
| public int uid; |
| |
| /** |
| * The name of the process this service runs in. |
| */ |
| public String process; |
| |
| /** |
| * Set to true if the service has asked to run as a foreground process. |
| */ |
| public boolean foreground; |
| |
| /** |
| * The time when the service was first made active, either by someone |
| * starting or binding to it. This |
| * is in units of {@link android.os.SystemClock#elapsedRealtime()}. |
| */ |
| public long activeSince; |
| |
| /** |
| * Set to true if this service has been explicitly started. |
| */ |
| public boolean started; |
| |
| /** |
| * Number of clients connected to the service. |
| */ |
| public int clientCount; |
| |
| /** |
| * Number of times the service's process has crashed while the service |
| * is running. |
| */ |
| public int crashCount; |
| |
| /** |
| * The time when there was last activity in the service (either |
| * explicit requests to start it or clients binding to it). This |
| * is in units of {@link android.os.SystemClock#uptimeMillis()}. |
| */ |
| public long lastActivityTime; |
| |
| /** |
| * If non-zero, this service is not currently running, but scheduled to |
| * restart at the given time. |
| */ |
| public long restarting; |
| |
| /** |
| * Bit for {@link #flags}: set if this service has been |
| * explicitly started. |
| */ |
| public static final int FLAG_STARTED = 1<<0; |
| |
| /** |
| * Bit for {@link #flags}: set if the service has asked to |
| * run as a foreground process. |
| */ |
| public static final int FLAG_FOREGROUND = 1<<1; |
| |
| /** |
| * Bit for {@link #flags): set if the service is running in a |
| * core system process. |
| */ |
| public static final int FLAG_SYSTEM_PROCESS = 1<<2; |
| |
| /** |
| * Bit for {@link #flags): set if the service is running in a |
| * persistent process. |
| */ |
| public static final int FLAG_PERSISTENT_PROCESS = 1<<3; |
| |
| /** |
| * Running flags. |
| */ |
| public int flags; |
| |
| /** |
| * For special services that are bound to by system code, this is |
| * the package that holds the binding. |
| */ |
| public String clientPackage; |
| |
| /** |
| * For special services that are bound to by system code, this is |
| * a string resource providing a user-visible label for who the |
| * client is. |
| */ |
| public int clientLabel; |
| |
| public RunningServiceInfo() { |
| } |
| |
| public int describeContents() { |
| return 0; |
| } |
| |
| public void writeToParcel(Parcel dest, int flags) { |
| ComponentName.writeToParcel(service, dest); |
| dest.writeInt(pid); |
| dest.writeInt(uid); |
| dest.writeString(process); |
| dest.writeInt(foreground ? 1 : 0); |
| dest.writeLong(activeSince); |
| dest.writeInt(started ? 1 : 0); |
| dest.writeInt(clientCount); |
| dest.writeInt(crashCount); |
| dest.writeLong(lastActivityTime); |
| dest.writeLong(restarting); |
| dest.writeInt(this.flags); |
| dest.writeString(clientPackage); |
| dest.writeInt(clientLabel); |
| } |
| |
| public void readFromParcel(Parcel source) { |
| service = ComponentName.readFromParcel(source); |
| pid = source.readInt(); |
| uid = source.readInt(); |
| process = source.readString(); |
| foreground = source.readInt() != 0; |
| activeSince = source.readLong(); |
| started = source.readInt() != 0; |
| clientCount = source.readInt(); |
| crashCount = source.readInt(); |
| lastActivityTime = source.readLong(); |
| restarting = source.readLong(); |
| flags = source.readInt(); |
| clientPackage = source.readString(); |
| clientLabel = source.readInt(); |
| } |
| |
| public static final Creator<RunningServiceInfo> CREATOR = new Creator<RunningServiceInfo>() { |
| public RunningServiceInfo createFromParcel(Parcel source) { |
| return new RunningServiceInfo(source); |
| } |
| public RunningServiceInfo[] newArray(int size) { |
| return new RunningServiceInfo[size]; |
| } |
| }; |
| |
| private RunningServiceInfo(Parcel source) { |
| readFromParcel(source); |
| } |
| } |
| |
| /** |
| * Return a list of the services that are currently running. |
| * |
| * <p><b>Note: this method is only intended for debugging or implementing |
| * service management type user interfaces.</b></p> |
| * |
| * @param maxNum The maximum number of entries to return in the list. The |
| * actual number returned may be smaller, depending on how many services |
| * are running. |
| * |
| * @return Returns a list of RunningServiceInfo records describing each of |
| * the running tasks. |
| */ |
| public List<RunningServiceInfo> getRunningServices(int maxNum) |
| throws SecurityException { |
| try { |
| return ActivityManagerNative.getDefault() |
| .getServices(maxNum, 0); |
| } catch (RemoteException e) { |
| throw e.rethrowFromSystemServer(); |
| } |
| } |
| |
| /** |
| * Returns a PendingIntent you can start to show a control panel for the |
| * given running service. If the service does not have a control panel, |
| * null is returned. |
| */ |
| public PendingIntent getRunningServiceControlPanel(ComponentName service) |
| throws SecurityException { |
| try { |
| return ActivityManagerNative.getDefault() |
| .getRunningServiceControlPanel(service); |
| } catch (RemoteException e) { |
| throw e.rethrowFromSystemServer(); |
| } |
| } |
| |
| /** |
| * Information you can retrieve about the available memory through |
| * {@link ActivityManager#getMemoryInfo}. |
| */ |
| public static class MemoryInfo implements Parcelable { |
| /** |
| * The available memory on the system. This number should not |
| * be considered absolute: due to the nature of the kernel, a significant |
| * portion of this memory is actually in use and needed for the overall |
| * system to run well. |
| */ |
| public long availMem; |
| |
| /** |
| * The total memory accessible by the kernel. This is basically the |
| * RAM size of the device, not including below-kernel fixed allocations |
| * like DMA buffers, RAM for the baseband CPU, etc. |
| */ |
| public long totalMem; |
| |
| /** |
| * The threshold of {@link #availMem} at which we consider memory to be |
| * low and start killing background services and other non-extraneous |
| * processes. |
| */ |
| public long threshold; |
| |
| /** |
| * Set to true if the system considers itself to currently be in a low |
| * memory situation. |
| */ |
| public boolean lowMemory; |
| |
| /** @hide */ |
| public long hiddenAppThreshold; |
| /** @hide */ |
| public long secondaryServerThreshold; |
| /** @hide */ |
| public long visibleAppThreshold; |
| /** @hide */ |
| public long foregroundAppThreshold; |
| |
| public MemoryInfo() { |
| } |
| |
| public int describeContents() { |
| return 0; |
| } |
| |
| public void writeToParcel(Parcel dest, int flags) { |
| dest.writeLong(availMem); |
| dest.writeLong(totalMem); |
| dest.writeLong(threshold); |
| dest.writeInt(lowMemory ? 1 : 0); |
| dest.writeLong(hiddenAppThreshold); |
| dest.writeLong(secondaryServerThreshold); |
| dest.writeLong(visibleAppThreshold); |
| dest.writeLong(foregroundAppThreshold); |
| } |
| |
| public void readFromParcel(Parcel source) { |
| availMem = source.readLong(); |
| totalMem = source.readLong(); |
| threshold = source.readLong(); |
| lowMemory = source.readInt() != 0; |
| hiddenAppThreshold = source.readLong(); |
| secondaryServerThreshold = source.readLong(); |
| visibleAppThreshold = source.readLong(); |
| foregroundAppThreshold = source.readLong(); |
| } |
| |
| public static final Creator<MemoryInfo> CREATOR |
| = new Creator<MemoryInfo>() { |
| public MemoryInfo createFromParcel(Parcel source) { |
| return new MemoryInfo(source); |
| } |
| public MemoryInfo[] newArray(int size) { |
| return new MemoryInfo[size]; |
| } |
| }; |
| |
| private MemoryInfo(Parcel source) { |
| readFromParcel(source); |
| } |
| } |
| |
| /** |
| * Return general information about the memory state of the system. This |
| * can be used to help decide how to manage your own memory, though note |
| * that polling is not recommended and |
| * {@link android.content.ComponentCallbacks2#onTrimMemory(int) |
| * ComponentCallbacks2.onTrimMemory(int)} is the preferred way to do this. |
| * Also see {@link #getMyMemoryState} for how to retrieve the current trim |
| * level of your process as needed, which gives a better hint for how to |
| * manage its memory. |
| */ |
| public void getMemoryInfo(MemoryInfo outInfo) { |
| try { |
| ActivityManagerNative.getDefault().getMemoryInfo(outInfo); |
| } catch (RemoteException e) { |
| throw e.rethrowFromSystemServer(); |
| } |
| } |
| |
| /** |
| * Information you can retrieve about an ActivityStack in the system. |
| * @hide |
| */ |
| public static class StackInfo implements Parcelable { |
| public int stackId; |
| public Rect bounds = new Rect(); |
| public int[] taskIds; |
| public String[] taskNames; |
| public Rect[] taskBounds; |
| public int[] taskUserIds; |
| public ComponentName topActivity; |
| public int displayId; |
| public int userId; |
| public boolean visible; |
| // Index of the stack in the display's stack list, can be used for comparison of stack order |
| public int position; |
| |
| @Override |
| public int describeContents() { |
| return 0; |
| } |
| |
| @Override |
| public void writeToParcel(Parcel dest, int flags) { |
| dest.writeInt(stackId); |
| dest.writeInt(bounds.left); |
| dest.writeInt(bounds.top); |
| dest.writeInt(bounds.right); |
| dest.writeInt(bounds.bottom); |
| dest.writeIntArray(taskIds); |
| dest.writeStringArray(taskNames); |
| final int boundsCount = taskBounds == null ? 0 : taskBounds.length; |
| dest.writeInt(boundsCount); |
| for (int i = 0; i < boundsCount; i++) { |
| dest.writeInt(taskBounds[i].left); |
| dest.writeInt(taskBounds[i].top); |
| dest.writeInt(taskBounds[i].right); |
| dest.writeInt(taskBounds[i].bottom); |
| } |
| dest.writeIntArray(taskUserIds); |
| dest.writeInt(displayId); |
| dest.writeInt(userId); |
| dest.writeInt(visible ? 1 : 0); |
| dest.writeInt(position); |
| if (topActivity != null) { |
| dest.writeInt(1); |
| topActivity.writeToParcel(dest, 0); |
| } else { |
| dest.writeInt(0); |
| } |
| } |
| |
| public void readFromParcel(Parcel source) { |
| stackId = source.readInt(); |
| bounds = new Rect( |
| source.readInt(), source.readInt(), source.readInt(), source.readInt()); |
| taskIds = source.createIntArray(); |
| taskNames = source.createStringArray(); |
| final int boundsCount = source.readInt(); |
| if (boundsCount > 0) { |
| taskBounds = new Rect[boundsCount]; |
| for (int i = 0; i < boundsCount; i++) { |
| taskBounds[i] = new Rect(); |
| taskBounds[i].set( |
| source.readInt(), source.readInt(), source.readInt(), source.readInt()); |
| } |
| } else { |
| taskBounds = null; |
| } |
| taskUserIds = source.createIntArray(); |
| displayId = source.readInt(); |
| userId = source.readInt(); |
| visible = source.readInt() > 0; |
| position = source.readInt(); |
| if (source.readInt() > 0) { |
| topActivity = ComponentName.readFromParcel(source); |
| } |
| } |
| |
| public static final Creator<StackInfo> CREATOR = new Creator<StackInfo>() { |
| @Override |
| public StackInfo createFromParcel(Parcel source) { |
| return new StackInfo(source); |
| } |
| @Override |
| public StackInfo[] newArray(int size) { |
| return new StackInfo[size]; |
| } |
| }; |
| |
| public StackInfo() { |
| } |
| |
| private StackInfo(Parcel source) { |
| readFromParcel(source); |
| } |
| |
| public String toString(String prefix) { |
| StringBuilder sb = new StringBuilder(256); |
| sb.append(prefix); sb.append("Stack id="); sb.append(stackId); |
| sb.append(" bounds="); sb.append(bounds.toShortString()); |
| sb.append(" displayId="); sb.append(displayId); |
| sb.append(" userId="); sb.append(userId); |
| sb.append("\n"); |
| prefix = prefix + " "; |
| for (int i = 0; i < taskIds.length; ++i) { |
| sb.append(prefix); sb.append("taskId="); sb.append(taskIds[i]); |
| sb.append(": "); sb.append(taskNames[i]); |
| if (taskBounds != null) { |
| sb.append(" bounds="); sb.append(taskBounds[i].toShortString()); |
| } |
| sb.append(" userId=").append(taskUserIds[i]); |
| sb.append(" visible=").append(visible); |
| if (topActivity != null) { |
| sb.append(" topActivity=").append(topActivity); |
| } |
| sb.append("\n"); |
| } |
| return sb.toString(); |
| } |
| |
| @Override |
| public String toString() { |
| return toString(""); |
| } |
| } |
| |
| /** |
| * @hide |
| */ |
| public boolean clearApplicationUserData(String packageName, IPackageDataObserver observer) { |
| try { |
| return ActivityManagerNative.getDefault().clearApplicationUserData(packageName, |
| observer, UserHandle.myUserId()); |
| } catch (RemoteException e) { |
| throw e.rethrowFromSystemServer(); |
| } |
| } |
| |
| /** |
| * Permits an application to erase its own data from disk. This is equivalent to |
| * the user choosing to clear the app's data from within the device settings UI. It |
| * erases all dynamic data associated with the app -- its private data and data in its |
| * private area on external storage -- but does not remove the installed application |
| * itself, nor any OBB files. |
| * |
| * @return {@code true} if the application successfully requested that the application's |
| * data be erased; {@code false} otherwise. |
| */ |
| public boolean clearApplicationUserData() { |
| return clearApplicationUserData(mContext.getPackageName(), null); |
| } |
| |
| |
| /** |
| * Permits an application to get the persistent URI permissions granted to another. |
| * |
| * <p>Typically called by Settings. |
| * |
| * @param packageName application to look for the granted permissions |
| * @return list of granted URI permissions |
| * |
| * @hide |
| */ |
| public ParceledListSlice<UriPermission> getGrantedUriPermissions(String packageName) { |
| try { |
| return ActivityManagerNative.getDefault().getGrantedUriPermissions(packageName, |
| UserHandle.myUserId()); |
| } catch (RemoteException e) { |
| throw e.rethrowFromSystemServer(); |
| } |
| } |
| |
| /** |
| * Permits an application to clear the persistent URI permissions granted to another. |
| * |
| * <p>Typically called by Settings. |
| * |
| * @param packageName application to clear its granted permissions |
| * |
| * @hide |
| */ |
| public void clearGrantedUriPermissions(String packageName) { |
| try { |
| ActivityManagerNative.getDefault().clearGrantedUriPermissions(packageName, |
| UserHandle.myUserId()); |
| } catch (RemoteException e) { |
| throw e.rethrowFromSystemServer(); |
| } |
| } |
| |
| /** |
| * Information you can retrieve about any processes that are in an error condition. |
| */ |
| public static class ProcessErrorStateInfo implements Parcelable { |
| /** |
| * Condition codes |
| */ |
| public static final int NO_ERROR = 0; |
| public static final int CRASHED = 1; |
| public static final int NOT_RESPONDING = 2; |
| |
| /** |
| * The condition that the process is in. |
| */ |
| public int condition; |
| |
| /** |
| * The process name in which the crash or error occurred. |
| */ |
| public String processName; |
| |
| /** |
| * The pid of this process; 0 if none |
| */ |
| public int pid; |
| |
| /** |
| * The kernel user-ID that has been assigned to this process; |
| * currently this is not a unique ID (multiple applications can have |
| * the same uid). |
| */ |
| public int uid; |
| |
| /** |
| * The activity name associated with the error, if known. May be null. |
| */ |
| public String tag; |
| |
| /** |
| * A short message describing the error condition. |
| */ |
| public String shortMsg; |
| |
| /** |
| * A long message describing the error condition. |
| */ |
| public String longMsg; |
| |
| /** |
| * The stack trace where the error originated. May be null. |
| */ |
| public String stackTrace; |
| |
| /** |
| * to be deprecated: This value will always be null. |
| */ |
| public byte[] crashData = null; |
| |
| public ProcessErrorStateInfo() { |
| } |
| |
| @Override |
| public int describeContents() { |
| return 0; |
| } |
| |
| @Override |
| public void writeToParcel(Parcel dest, int flags) { |
| dest.writeInt(condition); |
| dest.writeString(processName); |
| dest.writeInt(pid); |
| dest.writeInt(uid); |
| dest.writeString(tag); |
| dest.writeString(shortMsg); |
| dest.writeString(longMsg); |
| dest.writeString(stackTrace); |
| } |
| |
| public void readFromParcel(Parcel source) { |
| condition = source.readInt(); |
| processName = source.readString(); |
| pid = source.readInt(); |
| uid = source.readInt(); |
| tag = source.readString(); |
| shortMsg = source.readString(); |
| longMsg = source.readString(); |
| stackTrace = source.readString(); |
| } |
| |
| public static final Creator<ProcessErrorStateInfo> CREATOR = |
| new Creator<ProcessErrorStateInfo>() { |
| public ProcessErrorStateInfo createFromParcel(Parcel source) { |
| return new ProcessErrorStateInfo(source); |
| } |
| public ProcessErrorStateInfo[] newArray(int size) { |
| return new ProcessErrorStateInfo[size]; |
| } |
| }; |
| |
| private ProcessErrorStateInfo(Parcel source) { |
| readFromParcel(source); |
| } |
| } |
| |
| /** |
| * Returns a list of any processes that are currently in an error condition. The result |
| * will be null if all processes are running properly at this time. |
| * |
| * @return Returns a list of ProcessErrorStateInfo records, or null if there are no |
| * current error conditions (it will not return an empty list). This list ordering is not |
| * specified. |
| */ |
| public List<ProcessErrorStateInfo> getProcessesInErrorState() { |
| try { |
| return ActivityManagerNative.getDefault().getProcessesInErrorState(); |
| } catch (RemoteException e) { |
| throw e.rethrowFromSystemServer(); |
| } |
| } |
| |
| /** |
| * Information you can retrieve about a running process. |
| */ |
| public static class RunningAppProcessInfo implements Parcelable { |
| /** |
| * The name of the process that this object is associated with |
| */ |
| public String processName; |
| |
| /** |
| * The pid of this process; 0 if none |
| */ |
| public int pid; |
| |
| /** |
| * The user id of this process. |
| */ |
| public int uid; |
| |
| /** |
| * All packages that have been loaded into the process. |
| */ |
| public String pkgList[]; |
| |
| /** |
| * Constant for {@link #flags}: this is an app that is unable to |
| * correctly save its state when going to the background, |
| * so it can not be killed while in the background. |
| * @hide |
| */ |
| public static final int FLAG_CANT_SAVE_STATE = 1<<0; |
| |
| /** |
| * Constant for {@link #flags}: this process is associated with a |
| * persistent system app. |
| * @hide |
| */ |
| public static final int FLAG_PERSISTENT = 1<<1; |
| |
| /** |
| * Constant for {@link #flags}: this process is associated with a |
| * persistent system app. |
| * @hide |
| */ |
| public static final int FLAG_HAS_ACTIVITIES = 1<<2; |
| |
| /** |
| * Flags of information. May be any of |
| * {@link #FLAG_CANT_SAVE_STATE}. |
| * @hide |
| */ |
| public int flags; |
| |
| /** |
| * Last memory trim level reported to the process: corresponds to |
| * the values supplied to {@link android.content.ComponentCallbacks2#onTrimMemory(int) |
| * ComponentCallbacks2.onTrimMemory(int)}. |
| */ |
| public int lastTrimLevel; |
| |
| /** |
| * Constant for {@link #importance}: This process is running the |
| * foreground UI; that is, it is the thing currently at the top of the screen |
| * that the user is interacting with. |
| */ |
| public static final int IMPORTANCE_FOREGROUND = 100; |
| |
| /** |
| * Constant for {@link #importance}: This process is running a foreground |
| * service, for example to perform music playback even while the user is |
| * not immediately in the app. This generally indicates that the process |
| * is doing something the user actively cares about. |
| */ |
| public static final int IMPORTANCE_FOREGROUND_SERVICE = 125; |
| |
| /** |
| * Constant for {@link #importance}: This process is running the foreground |
| * UI, but the device is asleep so it is not visible to the user. This means |
| * the user is not really aware of the process, because they can not see or |
| * interact with it, but it is quite important because it what they expect to |
| * return to once unlocking the device. |
| */ |
| public static final int IMPORTANCE_TOP_SLEEPING = 150; |
| |
| /** |
| * Constant for {@link #importance}: This process is running something |
| * that is actively visible to the user, though not in the immediate |
| * foreground. This may be running a window that is behind the current |
| * foreground (so paused and with its state saved, not interacting with |
| * the user, but visible to them to some degree); it may also be running |
| * other services under the system's control that it inconsiders important. |
| */ |
| public static final int IMPORTANCE_VISIBLE = 200; |
| |
| /** |
| * Constant for {@link #importance}: This process is not something the user |
| * is directly aware of, but is otherwise perceptable to them to some degree. |
| */ |
| public static final int IMPORTANCE_PERCEPTIBLE = 130; |
| |
| /** |
| * Constant for {@link #importance}: This process is running an |
| * application that can not save its state, and thus can't be killed |
| * while in the background. |
| * @hide |
| */ |
| public static final int IMPORTANCE_CANT_SAVE_STATE = 170; |
| |
| /** |
| * Constant for {@link #importance}: This process is contains services |
| * that should remain running. These are background services apps have |
| * started, not something the user is aware of, so they may be killed by |
| * the system relatively freely (though it is generally desired that they |
| * stay running as long as they want to). |
| */ |
| public static final int IMPORTANCE_SERVICE = 300; |
| |
| /** |
| * Constant for {@link #importance}: This process process contains |
| * background code that is expendable. |
| */ |
| public static final int IMPORTANCE_BACKGROUND = 400; |
| |
| /** |
| * Constant for {@link #importance}: This process is empty of any |
| * actively running code. |
| */ |
| public static final int IMPORTANCE_EMPTY = 500; |
| |
| /** |
| * Constant for {@link #importance}: This process does not exist. |
| */ |
| public static final int IMPORTANCE_GONE = 1000; |
| |
| /** @hide */ |
| public static int procStateToImportance(int procState) { |
| if (procState == PROCESS_STATE_NONEXISTENT) { |
| return IMPORTANCE_GONE; |
| } else if (procState >= PROCESS_STATE_HOME) { |
| return IMPORTANCE_BACKGROUND; |
| } else if (procState >= PROCESS_STATE_SERVICE) { |
| return IMPORTANCE_SERVICE; |
| } else if (procState > PROCESS_STATE_HEAVY_WEIGHT) { |
| return IMPORTANCE_CANT_SAVE_STATE; |
| } else if (procState >= PROCESS_STATE_IMPORTANT_BACKGROUND) { |
| return IMPORTANCE_PERCEPTIBLE; |
| } else if (procState >= PROCESS_STATE_IMPORTANT_FOREGROUND) { |
| return IMPORTANCE_VISIBLE; |
| } else if (procState >= PROCESS_STATE_TOP_SLEEPING) { |
| return IMPORTANCE_TOP_SLEEPING; |
| } else if (procState >= PROCESS_STATE_FOREGROUND_SERVICE) { |
| return IMPORTANCE_FOREGROUND_SERVICE; |
| } else { |
| return IMPORTANCE_FOREGROUND; |
| } |
| } |
| |
| /** @hide */ |
| public static int importanceToProcState(int importance) { |
| if (importance == IMPORTANCE_GONE) { |
| return PROCESS_STATE_NONEXISTENT; |
| } else if (importance >= IMPORTANCE_BACKGROUND) { |
| return PROCESS_STATE_HOME; |
| } else if (importance >= IMPORTANCE_SERVICE) { |
| return PROCESS_STATE_SERVICE; |
| } else if (importance > IMPORTANCE_CANT_SAVE_STATE) { |
| return PROCESS_STATE_HEAVY_WEIGHT; |
| } else if (importance >= IMPORTANCE_PERCEPTIBLE) { |
| return PROCESS_STATE_IMPORTANT_BACKGROUND; |
| } else if (importance >= IMPORTANCE_VISIBLE) { |
| return PROCESS_STATE_IMPORTANT_FOREGROUND; |
| } else if (importance >= IMPORTANCE_TOP_SLEEPING) { |
| return PROCESS_STATE_TOP_SLEEPING; |
| } else if (importance >= IMPORTANCE_FOREGROUND_SERVICE) { |
| return PROCESS_STATE_FOREGROUND_SERVICE; |
| } else { |
| return PROCESS_STATE_BOUND_FOREGROUND_SERVICE; |
| } |
| } |
| |
| /** |
| * The relative importance level that the system places on this |
| * process. May be one of {@link #IMPORTANCE_FOREGROUND}, |
| * {@link #IMPORTANCE_VISIBLE}, {@link #IMPORTANCE_SERVICE}, |
| * {@link #IMPORTANCE_BACKGROUND}, or {@link #IMPORTANCE_EMPTY}. These |
| * constants are numbered so that "more important" values are always |
| * smaller than "less important" values. |
| */ |
| public int importance; |
| |
| /** |
| * An additional ordering within a particular {@link #importance} |
| * category, providing finer-grained information about the relative |
| * utility of processes within a category. This number means nothing |
| * except that a smaller values are more recently used (and thus |
| * more important). Currently an LRU value is only maintained for |
| * the {@link #IMPORTANCE_BACKGROUND} category, though others may |
| * be maintained in the future. |
| */ |
| public int lru; |
| |
| /** |
| * Constant for {@link #importanceReasonCode}: nothing special has |
| * been specified for the reason for this level. |
| */ |
| public static final int REASON_UNKNOWN = 0; |
| |
| /** |
| * Constant for {@link #importanceReasonCode}: one of the application's |
| * content providers is being used by another process. The pid of |
| * the client process is in {@link #importanceReasonPid} and the |
| * target provider in this process is in |
| * {@link #importanceReasonComponent}. |
| */ |
| public static final int REASON_PROVIDER_IN_USE = 1; |
| |
| /** |
| * Constant for {@link #importanceReasonCode}: one of the application's |
| * content providers is being used by another process. The pid of |
| * the client process is in {@link #importanceReasonPid} and the |
| * target provider in this process is in |
| * {@link #importanceReasonComponent}. |
| */ |
| public static final int REASON_SERVICE_IN_USE = 2; |
| |
| /** |
| * The reason for {@link #importance}, if any. |
| */ |
| public int importanceReasonCode; |
| |
| /** |
| * For the specified values of {@link #importanceReasonCode}, this |
| * is the process ID of the other process that is a client of this |
| * process. This will be 0 if no other process is using this one. |
| */ |
| public int importanceReasonPid; |
| |
| /** |
| * For the specified values of {@link #importanceReasonCode}, this |
| * is the name of the component that is being used in this process. |
| */ |
| public ComponentName importanceReasonComponent; |
| |
| /** |
| * When {@link #importanceReasonPid} is non-0, this is the importance |
| * of the other pid. @hide |
| */ |
| public int importanceReasonImportance; |
| |
| /** |
| * Current process state, as per PROCESS_STATE_* constants. |
| * @hide |
| */ |
| public int processState; |
| |
| public RunningAppProcessInfo() { |
| importance = IMPORTANCE_FOREGROUND; |
| importanceReasonCode = REASON_UNKNOWN; |
| processState = PROCESS_STATE_IMPORTANT_FOREGROUND; |
| } |
| |
| public RunningAppProcessInfo(String pProcessName, int pPid, String pArr[]) { |
| processName = pProcessName; |
| pid = pPid; |
| pkgList = pArr; |
| } |
| |
| public int describeContents() { |
| return 0; |
| } |
| |
| public void writeToParcel(Parcel dest, int flags) { |
| dest.writeString(processName); |
| dest.writeInt(pid); |
| dest.writeInt(uid); |
| dest.writeStringArray(pkgList); |
| dest.writeInt(this.flags); |
| dest.writeInt(lastTrimLevel); |
| dest.writeInt(importance); |
| dest.writeInt(lru); |
| dest.writeInt(importanceReasonCode); |
| dest.writeInt(importanceReasonPid); |
| ComponentName.writeToParcel(importanceReasonComponent, dest); |
| dest.writeInt(importanceReasonImportance); |
| dest.writeInt(processState); |
| } |
| |
| public void readFromParcel(Parcel source) { |
| processName = source.readString(); |
| pid = source.readInt(); |
| uid = source.readInt(); |
| pkgList = source.readStringArray(); |
| flags = source.readInt(); |
| lastTrimLevel = source.readInt(); |
| importance = source.readInt(); |
| lru = source.readInt(); |
| importanceReasonCode = source.readInt(); |
| importanceReasonPid = source.readInt(); |
| importanceReasonComponent = ComponentName.readFromParcel(source); |
| importanceReasonImportance = source.readInt(); |
| processState = source.readInt(); |
| } |
| |
| public static final Creator<RunningAppProcessInfo> CREATOR = |
| new Creator<RunningAppProcessInfo>() { |
| public RunningAppProcessInfo createFromParcel(Parcel source) { |
| return new RunningAppProcessInfo(source); |
| } |
| public RunningAppProcessInfo[] newArray(int size) { |
| return new RunningAppProcessInfo[size]; |
| } |
| }; |
| |
| private RunningAppProcessInfo(Parcel source) { |
| readFromParcel(source); |
| } |
| } |
| |
| /** |
| * Returns a list of application processes installed on external media |
| * that are running on the device. |
| * |
| * <p><b>Note: this method is only intended for debugging or building |
| * a user-facing process management UI.</b></p> |
| * |
| * @return Returns a list of ApplicationInfo records, or null if none |
| * This list ordering is not specified. |
| * @hide |
| */ |
| public List<ApplicationInfo> getRunningExternalApplications() { |
| try { |
| return ActivityManagerNative.getDefault().getRunningExternalApplications(); |
| } catch (RemoteException e) { |
| throw e.rethrowFromSystemServer(); |
| } |
| } |
| |
| /** |
| * Sets the memory trim mode for a process and schedules a memory trim operation. |
| * |
| * <p><b>Note: this method is only intended for testing framework.</b></p> |
| * |
| * @return Returns true if successful. |
| * @hide |
| */ |
| public boolean setProcessMemoryTrimLevel(String process, int userId, int level) { |
| try { |
| return ActivityManagerNative.getDefault().setProcessMemoryTrimLevel(process, userId, |
| level); |
| } catch (RemoteException e) { |
| throw e.rethrowFromSystemServer(); |
| } |
| } |
| |
| /** |
| * Returns a list of application processes that are running on the device. |
| * |
| * <p><b>Note: this method is only intended for debugging or building |
| * a user-facing process management UI.</b></p> |
| * |
| * @return Returns a list of RunningAppProcessInfo records, or null if there are no |
| * running processes (it will not return an empty list). This list ordering is not |
| * specified. |
| */ |
| public List<RunningAppProcessInfo> getRunningAppProcesses() { |
| try { |
| return ActivityManagerNative.getDefault().getRunningAppProcesses(); |
| } catch (RemoteException e) { |
| throw e.rethrowFromSystemServer(); |
| } |
| } |
| |
| /** |
| * Return the importance of a given package name, based on the processes that are |
| * currently running. The return value is one of the importance constants defined |
| * in {@link RunningAppProcessInfo}, giving you the highest importance of all the |
| * processes that this package has code running inside of. If there are no processes |
| * running its code, {@link RunningAppProcessInfo#IMPORTANCE_GONE} is returned. |
| * @hide |
| */ |
| @SystemApi @TestApi |
| @RequiresPermission(Manifest.permission.PACKAGE_USAGE_STATS) |
| public int getPackageImportance(String packageName) { |
| try { |
| int procState = getService().getPackageProcessState(packageName, |
| mContext.getOpPackageName()); |
| return RunningAppProcessInfo.procStateToImportance(procState); |
| } catch (RemoteException e) { |
| throw e.rethrowFromSystemServer(); |
| } |
| } |
| |
| /** |
| * Callback to get reports about changes to the importance of a uid. Use with |
| * {@link #addOnUidImportanceListener}. |
| * @hide |
| */ |
| @SystemApi @TestApi |
| public interface OnUidImportanceListener { |
| /** |
| * The importance if a given uid has changed. Will be one of the importance |
| * values in {@link RunningAppProcessInfo}; |
| * {@link RunningAppProcessInfo#IMPORTANCE_GONE IMPORTANCE_GONE} will be reported |
| * when the uid is no longer running at all. This callback will happen on a thread |
| * from a thread pool, not the main UI thread. |
| * @param uid The uid whose importance has changed. |
| * @param importance The new importance value as per {@link RunningAppProcessInfo}. |
| */ |
| void onUidImportance(int uid, int importance); |
| } |
| |
| /** |
| * Start monitoring changes to the imoportance of uids running in the system. |
| * @param listener The listener callback that will receive change reports. |
| * @param importanceCutpoint The level of importance in which the caller is interested |
| * in differences. For example, if {@link RunningAppProcessInfo#IMPORTANCE_PERCEPTIBLE} |
| * is used here, you will receive a call each time a uids importance transitions between |
| * being <= {@link RunningAppProcessInfo#IMPORTANCE_PERCEPTIBLE} and |
| * > {@link RunningAppProcessInfo#IMPORTANCE_PERCEPTIBLE}. |
| * |
| * <p>The caller must hold the {@link android.Manifest.permission#PACKAGE_USAGE_STATS} |
| * permission to use this feature.</p> |
| * |
| * @throws IllegalArgumentException If the listener is already registered. |
| * @throws SecurityException If the caller does not hold |
| * {@link android.Manifest.permission#PACKAGE_USAGE_STATS}. |
| * @hide |
| */ |
| @SystemApi @TestApi |
| public void addOnUidImportanceListener(OnUidImportanceListener listener, |
| int importanceCutpoint) { |
| synchronized (this) { |
| if (mImportanceListeners.containsKey(listener)) { |
| throw new IllegalArgumentException("Listener already registered: " + listener); |
| } |
| // TODO: implement the cut point in the system process to avoid IPCs. |
| UidObserver observer = new UidObserver(listener); |
| try { |
| getService().registerUidObserver(observer, |
| UID_OBSERVER_PROCSTATE | UID_OBSERVER_GONE, |
| RunningAppProcessInfo.importanceToProcState(importanceCutpoint), |
| mContext.getOpPackageName()); |
| } catch (RemoteException e) { |
| throw e.rethrowFromSystemServer(); |
| } |
| mImportanceListeners.put(listener, observer); |
| } |
| } |
| |
| /** |
| * Remove an importance listener that was previously registered with |
| * {@link #addOnUidImportanceListener}. |
| * |
| * @throws IllegalArgumentException If the listener is not registered. |
| * @hide |
| */ |
| @SystemApi @TestApi |
| public void removeOnUidImportanceListener(OnUidImportanceListener listener) { |
| synchronized (this) { |
| UidObserver observer = mImportanceListeners.remove(listener); |
| if (observer == null) { |
| throw new IllegalArgumentException("Listener not registered: " + listener); |
| } |
| try { |
| getService().unregisterUidObserver(observer); |
| } catch (RemoteException e) { |
| throw e.rethrowFromSystemServer(); |
| } |
| } |
| } |
| |
| /** |
| * Return global memory state information for the calling process. This |
| * does not fill in all fields of the {@link RunningAppProcessInfo}. The |
| * only fields that will be filled in are |
| * {@link RunningAppProcessInfo#pid}, |
| * {@link RunningAppProcessInfo#uid}, |
| * {@link RunningAppProcessInfo#lastTrimLevel}, |
| * {@link RunningAppProcessInfo#importance}, |
| * {@link RunningAppProcessInfo#lru}, and |
| * {@link RunningAppProcessInfo#importanceReasonCode}. |
| */ |
| static public void getMyMemoryState(RunningAppProcessInfo outState) { |
| try { |
| ActivityManagerNative.getDefault().getMyMemoryState(outState); |
| } catch (RemoteException e) { |
| throw e.rethrowFromSystemServer(); |
| } |
| } |
| |
| /** |
| * Return information about the memory usage of one or more processes. |
| * |
| * <p><b>Note: this method is only intended for debugging or building |
| * a user-facing process management UI.</b></p> |
| * |
| * @param pids The pids of the processes whose memory usage is to be |
| * retrieved. |
| * @return Returns an array of memory information, one for each |
| * requested pid. |
| */ |
| public Debug.MemoryInfo[] getProcessMemoryInfo(int[] pids) { |
| try { |
| return ActivityManagerNative.getDefault().getProcessMemoryInfo(pids); |
| } catch (RemoteException e) { |
| throw e.rethrowFromSystemServer(); |
| } |
| } |
| |
| /** |
| * @deprecated This is now just a wrapper for |
| * {@link #killBackgroundProcesses(String)}; the previous behavior here |
| * is no longer available to applications because it allows them to |
| * break other applications by removing their alarms, stopping their |
| * services, etc. |
| */ |
| @Deprecated |
| public void restartPackage(String packageName) { |
| killBackgroundProcesses(packageName); |
| } |
| |
| /** |
| * Have the system immediately kill all background processes associated |
| * with the given package. This is the same as the kernel killing those |
| * processes to reclaim memory; the system will take care of restarting |
| * these processes in the future as needed. |
| * |
| * <p>You must hold the permission |
| * {@link android.Manifest.permission#KILL_BACKGROUND_PROCESSES} to be able to |
| * call this method. |
| * |
| * @param packageName The name of the package whose processes are to |
| * be killed. |
| */ |
| public void killBackgroundProcesses(String packageName) { |
| try { |
| ActivityManagerNative.getDefault().killBackgroundProcesses(packageName, |
| UserHandle.myUserId()); |
| } catch (RemoteException e) { |
| throw e.rethrowFromSystemServer(); |
| } |
| } |
| |
| /** |
| * Kills the specified UID. |
| * @param uid The UID to kill. |
| * @param reason The reason for the kill. |
| * |
| * @hide |
| */ |
| @SystemApi |
| @RequiresPermission(Manifest.permission.KILL_UID) |
| public void killUid(int uid, String reason) { |
| try { |
| ActivityManagerNative.getDefault().killUid(UserHandle.getAppId(uid), |
| UserHandle.getUserId(uid), reason); |
| } catch (RemoteException e) { |
| throw e.rethrowFromSystemServer(); |
| } |
| } |
| |
| /** |
| * Have the system perform a force stop of everything associated with |
| * the given application package. All processes that share its uid |
| * will be killed, all services it has running stopped, all activities |
| * removed, etc. In addition, a {@link Intent#ACTION_PACKAGE_RESTARTED} |
| * broadcast will be sent, so that any of its registered alarms can |
| * be stopped, notifications removed, etc. |
| * |
| * <p>You must hold the permission |
| * {@link android.Manifest.permission#FORCE_STOP_PACKAGES} to be able to |
| * call this method. |
| * |
| * @param packageName The name of the package to be stopped. |
| * @param userId The user for which the running package is to be stopped. |
| * |
| * @hide This is not available to third party applications due to |
| * it allowing them to break other applications by stopping their |
| * services, removing their alarms, etc. |
| */ |
| public void forceStopPackageAsUser(String packageName, int userId) { |
| try { |
| ActivityManagerNative.getDefault().forceStopPackage(packageName, userId); |
| } catch (RemoteException e) { |
| throw e.rethrowFromSystemServer(); |
| } |
| } |
| |
| /** |
| * @see #forceStopPackageAsUser(String, int) |
| * @hide |
| */ |
| public void forceStopPackage(String packageName) { |
| forceStopPackageAsUser(packageName, UserHandle.myUserId()); |
| } |
| |
| /** |
| * Get the device configuration attributes. |
| */ |
| public ConfigurationInfo getDeviceConfigurationInfo() { |
| try { |
| return ActivityManagerNative.getDefault().getDeviceConfigurationInfo(); |
| } catch (RemoteException e) { |
| throw e.rethrowFromSystemServer(); |
| } |
| } |
| |
| /** |
| * Get the preferred density of icons for the launcher. This is used when |
| * custom drawables are created (e.g., for shortcuts). |
| * |
| * @return density in terms of DPI |
| */ |
| public int getLauncherLargeIconDensity() { |
| final Resources res = mContext.getResources(); |
| final int density = res.getDisplayMetrics().densityDpi; |
| final int sw = res.getConfiguration().smallestScreenWidthDp; |
| |
| if (sw < 600) { |
| // Smaller than approx 7" tablets, use the regular icon size. |
| return density; |
| } |
| |
| switch (density) { |
| case DisplayMetrics.DENSITY_LOW: |
| return DisplayMetrics.DENSITY_MEDIUM; |
| case DisplayMetrics.DENSITY_MEDIUM: |
| return DisplayMetrics.DENSITY_HIGH; |
| case DisplayMetrics.DENSITY_TV: |
| return DisplayMetrics.DENSITY_XHIGH; |
| case DisplayMetrics.DENSITY_HIGH: |
| return DisplayMetrics.DENSITY_XHIGH; |
| case DisplayMetrics.DENSITY_XHIGH: |
| return DisplayMetrics.DENSITY_XXHIGH; |
| case DisplayMetrics.DENSITY_XXHIGH: |
| return DisplayMetrics.DENSITY_XHIGH * 2; |
| default: |
| // The density is some abnormal value. Return some other |
| // abnormal value that is a reasonable scaling of it. |
| return (int)((density*1.5f)+.5f); |
| } |
| } |
| |
| /** |
| * Get the preferred launcher icon size. This is used when custom drawables |
| * are created (e.g., for shortcuts). |
| * |
| * @return dimensions of square icons in terms of pixels |
| */ |
| public int getLauncherLargeIconSize() { |
| return getLauncherLargeIconSizeInner(mContext); |
| } |
| |
| static int getLauncherLargeIconSizeInner(Context context) { |
| final Resources res = context.getResources(); |
| final int size = res.getDimensionPixelSize(android.R.dimen.app_icon_size); |
| final int sw = res.getConfiguration().smallestScreenWidthDp; |
| |
| if (sw < 600) { |
| // Smaller than approx 7" tablets, use the regular icon size. |
| return size; |
| } |
| |
| final int density = res.getDisplayMetrics().densityDpi; |
| |
| switch (density) { |
| case DisplayMetrics.DENSITY_LOW: |
| return (size * DisplayMetrics.DENSITY_MEDIUM) / DisplayMetrics.DENSITY_LOW; |
| case DisplayMetrics.DENSITY_MEDIUM: |
| return (size * DisplayMetrics.DENSITY_HIGH) / DisplayMetrics.DENSITY_MEDIUM; |
| case DisplayMetrics.DENSITY_TV: |
| return (size * DisplayMetrics.DENSITY_XHIGH) / DisplayMetrics.DENSITY_HIGH; |
| case DisplayMetrics.DENSITY_HIGH: |
| return (size * DisplayMetrics.DENSITY_XHIGH) / DisplayMetrics.DENSITY_HIGH; |
| case DisplayMetrics.DENSITY_XHIGH: |
| return (size * DisplayMetrics.DENSITY_XXHIGH) / DisplayMetrics.DENSITY_XHIGH; |
| case DisplayMetrics.DENSITY_XXHIGH: |
| return (size * DisplayMetrics.DENSITY_XHIGH*2) / DisplayMetrics.DENSITY_XXHIGH; |
| default: |
| // The density is some abnormal value. Return some other |
| // abnormal value that is a reasonable scaling of it. |
| return (int)((size*1.5f) + .5f); |
| } |
| } |
| |
| /** |
| * Returns "true" if the user interface is currently being messed with |
| * by a monkey. |
| */ |
| public static boolean isUserAMonkey() { |
| try { |
| return ActivityManagerNative.getDefault().isUserAMonkey(); |
| } catch (RemoteException e) { |
| throw e.rethrowFromSystemServer(); |
| } |
| } |
| |
| /** |
| * Returns "true" if device is running in a test harness. |
| */ |
| public static boolean isRunningInTestHarness() { |
| return SystemProperties.getBoolean("ro.test_harness", false); |
| } |
| |
| /** |
| * Returns the launch count of each installed package. |
| * |
| * @hide |
| */ |
| /*public Map<String, Integer> getAllPackageLaunchCounts() { |
| try { |
| IUsageStats usageStatsService = IUsageStats.Stub.asInterface( |
| ServiceManager.getService("usagestats")); |
| if (usageStatsService == null) { |
| return new HashMap<String, Integer>(); |
| } |
| |
| UsageStats.PackageStats[] allPkgUsageStats = usageStatsService.getAllPkgUsageStats( |
| ActivityThread.currentPackageName()); |
| if (allPkgUsageStats == null) { |
| return new HashMap<String, Integer>(); |
| } |
| |
| Map<String, Integer> launchCounts = new HashMap<String, Integer>(); |
| for (UsageStats.PackageStats pkgUsageStats : allPkgUsageStats) { |
| launchCounts.put(pkgUsageStats.getPackageName(), pkgUsageStats.getLaunchCount()); |
| } |
| |
| return launchCounts; |
| } catch (RemoteException e) { |
| Log.w(TAG, "Could not query launch counts", e); |
| return new HashMap<String, Integer>(); |
| } |
| }*/ |
| |
| /** @hide */ |
| public static int checkComponentPermission(String permission, int uid, |
| int owningUid, boolean exported) { |
| // Root, system server get to do everything. |
| final int appId = UserHandle.getAppId(uid); |
| if (appId == Process.ROOT_UID || appId == Process.SYSTEM_UID) { |
| return PackageManager.PERMISSION_GRANTED; |
| } |
| // Isolated processes don't get any permissions. |
| if (UserHandle.isIsolated(uid)) { |
| return PackageManager.PERMISSION_DENIED; |
| } |
| // If there is a uid that owns whatever is being accessed, it has |
| // blanket access to it regardless of the permissions it requires. |
| if (owningUid >= 0 && UserHandle.isSameApp(uid, owningUid)) { |
| return PackageManager.PERMISSION_GRANTED; |
| } |
| // If the target is not exported, then nobody else can get to it. |
| if (!exported) { |
| /* |
| RuntimeException here = new RuntimeException("here"); |
| here.fillInStackTrace(); |
| Slog.w(TAG, "Permission denied: checkComponentPermission() owningUid=" + owningUid, |
| here); |
| */ |
| return PackageManager.PERMISSION_DENIED; |
| } |
| if (permission == null) { |
| return PackageManager.PERMISSION_GRANTED; |
| } |
| try { |
| return AppGlobals.getPackageManager() |
| .checkUidPermission(permission, uid); |
| } catch (RemoteException e) { |
| throw e.rethrowFromSystemServer(); |
| } |
| } |
| |
| /** @hide */ |
| public static int checkUidPermission(String permission, int uid) { |
| try { |
| return AppGlobals.getPackageManager() |
| .checkUidPermission(permission, uid); |
| } catch (RemoteException e) { |
| throw e.rethrowFromSystemServer(); |
| } |
| } |
| |
| /** |
| * @hide |
| * Helper for dealing with incoming user arguments to system service calls. |
| * Takes care of checking permissions and converting USER_CURRENT to the |
| * actual current user. |
| * |
| * @param callingPid The pid of the incoming call, as per Binder.getCallingPid(). |
| * @param callingUid The uid of the incoming call, as per Binder.getCallingUid(). |
| * @param userId The user id argument supplied by the caller -- this is the user |
| * they want to run as. |
| * @param allowAll If true, we will allow USER_ALL. This means you must be prepared |
| * to get a USER_ALL returned and deal with it correctly. If false, |
| * an exception will be thrown if USER_ALL is supplied. |
| * @param requireFull If true, the caller must hold |
| * {@link android.Manifest.permission#INTERACT_ACROSS_USERS_FULL} to be able to run as a |
| * different user than their current process; otherwise they must hold |
| * {@link android.Manifest.permission#INTERACT_ACROSS_USERS}. |
| * @param name Optional textual name of the incoming call; only for generating error messages. |
| * @param callerPackage Optional package name of caller; only for error messages. |
| * |
| * @return Returns the user ID that the call should run as. Will always be a concrete |
| * user number, unless <var>allowAll</var> is true in which case it could also be |
| * USER_ALL. |
| */ |
| public static int handleIncomingUser(int callingPid, int callingUid, int userId, |
| boolean allowAll, boolean requireFull, String name, String callerPackage) { |
| if (UserHandle.getUserId(callingUid) == userId) { |
| return userId; |
| } |
| try { |
| return ActivityManagerNative.getDefault().handleIncomingUser(callingPid, |
| callingUid, userId, allowAll, requireFull, name, callerPackage); |
| } catch (RemoteException e) { |
| throw e.rethrowFromSystemServer(); |
| } |
| } |
| |
| /** |
| * Gets the userId of the current foreground user. Requires system permissions. |
| * @hide |
| */ |
| @SystemApi |
| public static int getCurrentUser() { |
| UserInfo ui; |
| try { |
| ui = ActivityManagerNative.getDefault().getCurrentUser(); |
| return ui != null ? ui.id : 0; |
| } catch (RemoteException e) { |
| throw e.rethrowFromSystemServer(); |
| } |
| } |
| |
| /** |
| * @param userid the user's id. Zero indicates the default user. |
| * @hide |
| */ |
| public boolean switchUser(int userid) { |
| try { |
| return ActivityManagerNative.getDefault().switchUser(userid); |
| } catch (RemoteException e) { |
| throw e.rethrowFromSystemServer(); |
| } |
| } |
| |
| /** |
| * Logs out current current foreground user by switching to the system user and stopping the |
| * user being switched from. |
| * @hide |
| */ |
| public static void logoutCurrentUser() { |
| int currentUser = ActivityManager.getCurrentUser(); |
| if (currentUser != UserHandle.USER_SYSTEM) { |
| try { |
| ActivityManagerNative.getDefault().switchUser(UserHandle.USER_SYSTEM); |
| ActivityManagerNative.getDefault().stopUser(currentUser, /* force= */ false, null); |
| } catch (RemoteException e) { |
| e.rethrowFromSystemServer(); |
| } |
| } |
| } |
| |
| /** {@hide} */ |
| public static final int FLAG_OR_STOPPED = 1 << 0; |
| /** {@hide} */ |
| public static final int FLAG_AND_LOCKED = 1 << 1; |
| /** {@hide} */ |
| public static final int FLAG_AND_UNLOCKED = 1 << 2; |
| /** {@hide} */ |
| public static final int FLAG_AND_UNLOCKING_OR_UNLOCKED = 1 << 3; |
| |
| /** |
| * Return whether the given user is actively running. This means that |
| * the user is in the "started" state, not "stopped" -- it is currently |
| * allowed to run code through scheduled alarms, receiving broadcasts, |
| * etc. A started user may be either the current foreground user or a |
| * background user; the result here does not distinguish between the two. |
| * @param userId the user's id. Zero indicates the default user. |
| * @hide |
| */ |
| public boolean isUserRunning(int userId) { |
| try { |
| return ActivityManagerNative.getDefault().isUserRunning(userId, 0); |
| } catch (RemoteException e) { |
| throw e.rethrowFromSystemServer(); |
| } |
| } |
| |
| /** {@hide} */ |
| public boolean isVrModePackageEnabled(ComponentName component) { |
| try { |
| return ActivityManagerNative.getDefault().isVrModePackageEnabled(component); |
| } catch (RemoteException e) { |
| throw e.rethrowFromSystemServer(); |
| } |
| } |
| |
| /** |
| * Perform a system dump of various state associated with the given application |
| * package name. This call blocks while the dump is being performed, so should |
| * not be done on a UI thread. The data will be written to the given file |
| * descriptor as text. An application must hold the |
| * {@link android.Manifest.permission#DUMP} permission to make this call. |
| * @param fd The file descriptor that the dump should be written to. The file |
| * descriptor is <em>not</em> closed by this function; the caller continues to |
| * own it. |
| * @param packageName The name of the package that is to be dumped. |
| */ |
| public void dumpPackageState(FileDescriptor fd, String packageName) { |
| dumpPackageStateStatic(fd, packageName); |
| } |
| |
| /** |
| * @hide |
| */ |
| public static void dumpPackageStateStatic(FileDescriptor fd, String packageName) { |
| FileOutputStream fout = new FileOutputStream(fd); |
| PrintWriter pw = new FastPrintWriter(fout); |
| dumpService(pw, fd, "package", new String[] { packageName }); |
| pw.println(); |
| dumpService(pw, fd, Context.ACTIVITY_SERVICE, new String[] { |
| "-a", "package", packageName }); |
| pw.println(); |
| dumpService(pw, fd, "meminfo", new String[] { "--local", "--package", packageName }); |
| pw.println(); |
| dumpService(pw, fd, ProcessStats.SERVICE_NAME, new String[] { packageName }); |
| pw.println(); |
| dumpService(pw, fd, "usagestats", new String[] { "--packages", packageName }); |
| pw.println(); |
| dumpService(pw, fd, BatteryStats.SERVICE_NAME, new String[] { packageName }); |
| pw.flush(); |
| } |
| |
| /** |
| * @hide |
| */ |
| public static void broadcastStickyIntent(Intent intent, int userId) { |
| broadcastStickyIntent(intent, AppOpsManager.OP_NONE, userId); |
| } |
| |
| /** |
| * Convenience for sending a sticky broadcast. For internal use only. |
| * |
| * @hide |
| */ |
| public static void broadcastStickyIntent(Intent intent, int appOp, int userId) { |
| try { |
| getService().broadcastIntent( |
| null, intent, null, null, Activity.RESULT_OK, null, null, |
| null /*permission*/, appOp, null, false, true, userId); |
| } catch (RemoteException ex) { |
| } |
| } |
| |
| /** |
| * @hide |
| */ |
| public static void noteWakeupAlarm(PendingIntent ps, int sourceUid, String sourcePkg, |
| String tag) { |
| try { |
| getService().noteWakeupAlarm((ps != null) ? ps.getTarget() : null, |
| sourceUid, sourcePkg, tag); |
| } catch (RemoteException ex) { |
| } |
| } |
| |
| /** |
| * @hide |
| */ |
| public static void noteAlarmStart(PendingIntent ps, int sourceUid, String tag) { |
| try { |
| getService().noteAlarmStart((ps != null) ? ps.getTarget() : null, sourceUid, tag); |
| } catch (RemoteException ex) { |
| } |
| } |
| |
| /** |
| * @hide |
| */ |
| public static void noteAlarmFinish(PendingIntent ps, int sourceUid, String tag) { |
| try { |
| getService().noteAlarmFinish((ps != null) ? ps.getTarget() : null, sourceUid, tag); |
| } catch (RemoteException ex) { |
| } |
| } |
| |
| /** |
| * @hide |
| */ |
| public static IActivityManager getService() { |
| return IActivityManagerSingleton.get(); |
| } |
| |
| private static final Singleton<IActivityManager> IActivityManagerSingleton = |
| new Singleton<IActivityManager>() { |
| @Override |
| protected IActivityManager create() { |
| final IBinder b = ServiceManager.getService(Context.ACTIVITY_SERVICE); |
| final IActivityManager am = IActivityManager.Stub.asInterface(b); |
| return am; |
| } |
| }; |
| |
| private static void dumpService(PrintWriter pw, FileDescriptor fd, String name, String[] args) { |
| pw.print("DUMP OF SERVICE "); pw.print(name); pw.println(":"); |
| IBinder service = ServiceManager.checkService(name); |
| if (service == null) { |
| pw.println(" (Service not found)"); |
| return; |
| } |
| TransferPipe tp = null; |
| try { |
| pw.flush(); |
| tp = new TransferPipe(); |
| tp.setBufferPrefix(" "); |
| service.dumpAsync(tp.getWriteFd().getFileDescriptor(), args); |
| tp.go(fd, 10000); |
| } catch (Throwable e) { |
| if (tp != null) { |
| tp.kill(); |
| } |
| pw.println("Failure dumping service:"); |
| e.printStackTrace(pw); |
| } |
| } |
| |
| /** |
| * Request that the system start watching for the calling process to exceed a pss |
| * size as given here. Once called, the system will look for any occasions where it |
| * sees the associated process with a larger pss size and, when this happens, automatically |
| * pull a heap dump from it and allow the user to share the data. Note that this request |
| * continues running even if the process is killed and restarted. To remove the watch, |
| * use {@link #clearWatchHeapLimit()}. |
| * |
| * <p>This API only work if the calling process has been marked as |
| * {@link ApplicationInfo#FLAG_DEBUGGABLE} or this is running on a debuggable |
| * (userdebug or eng) build.</p> |
| * |
| * <p>Callers can optionally implement {@link #ACTION_REPORT_HEAP_LIMIT} to directly |
| * handle heap limit reports themselves.</p> |
| * |
| * @param pssSize The size in bytes to set the limit at. |
| */ |
| public void setWatchHeapLimit(long pssSize) { |
| try { |
| ActivityManagerNative.getDefault().setDumpHeapDebugLimit(null, 0, pssSize, |
| mContext.getPackageName()); |
| } catch (RemoteException e) { |
| throw e.rethrowFromSystemServer(); |
| } |
| } |
| |
| /** |
| * Action an app can implement to handle reports from {@link #setWatchHeapLimit(long)}. |
| * If your package has an activity handling this action, it will be launched with the |
| * heap data provided to it the same way as {@link Intent#ACTION_SEND}. Note that to |
| * match the activty must support this action and a MIME type of "*/*". |
| */ |
| public static final String ACTION_REPORT_HEAP_LIMIT = "android.app.action.REPORT_HEAP_LIMIT"; |
| |
| /** |
| * Clear a heap watch limit previously set by {@link #setWatchHeapLimit(long)}. |
| */ |
| public void clearWatchHeapLimit() { |
| try { |
| ActivityManagerNative.getDefault().setDumpHeapDebugLimit(null, 0, 0, null); |
| } catch (RemoteException e) { |
| throw e.rethrowFromSystemServer(); |
| } |
| } |
| |
| /** |
| * @hide |
| */ |
| public void startLockTaskMode(int taskId) { |
| try { |
| ActivityManagerNative.getDefault().startLockTaskModeById(taskId); |
| } catch (RemoteException e) { |
| throw e.rethrowFromSystemServer(); |
| } |
| } |
| |
| /** |
| * @hide |
| */ |
| public void stopLockTaskMode() { |
| try { |
| ActivityManagerNative.getDefault().stopLockTaskMode(); |
| } catch (RemoteException e) { |
| throw e.rethrowFromSystemServer(); |
| } |
| } |
| |
| /** |
| * Return whether currently in lock task mode. When in this mode |
| * no new tasks can be created or switched to. |
| * |
| * @see Activity#startLockTask() |
| * |
| * @deprecated Use {@link #getLockTaskModeState} instead. |
| */ |
| @Deprecated |
| public boolean isInLockTaskMode() { |
| return getLockTaskModeState() != LOCK_TASK_MODE_NONE; |
| } |
| |
| /** |
| * Return the current state of task locking. The three possible outcomes |
| * are {@link #LOCK_TASK_MODE_NONE}, {@link #LOCK_TASK_MODE_LOCKED} |
| * and {@link #LOCK_TASK_MODE_PINNED}. |
| * |
| * @see Activity#startLockTask() |
| */ |
| public int getLockTaskModeState() { |
| try { |
| return ActivityManagerNative.getDefault().getLockTaskModeState(); |
| } catch (RemoteException e) { |
| throw e.rethrowFromSystemServer(); |
| } |
| } |
| |
| /** |
| * Enable more aggressive scheduling for latency-sensitive low-runtime VR threads. Only one |
| * thread can be a VR thread in a process at a time, and that thread may be subject to |
| * restrictions on the amount of time it can run. |
| * |
| * To reset the VR thread for an application, a tid of 0 can be passed. |
| * |
| * @see android.os.Process#myTid() |
| * @param tid tid of the VR thread |
| */ |
| public static void setVrThread(int tid) { |
| try { |
| ActivityManagerNative.getDefault().setVrThread(tid); |
| } catch (RemoteException e) { |
| // pass |
| } |
| } |
| |
| /** |
| * The AppTask allows you to manage your own application's tasks. |
| * See {@link android.app.ActivityManager#getAppTasks()} |
| */ |
| public static class AppTask { |
| private IAppTask mAppTaskImpl; |
| |
| /** @hide */ |
| public AppTask(IAppTask task) { |
| mAppTaskImpl = task; |
| } |
| |
| /** |
| * Finishes all activities in this task and removes it from the recent tasks list. |
| */ |
| public void finishAndRemoveTask() { |
| try { |
| mAppTaskImpl.finishAndRemoveTask(); |
| } catch (RemoteException e) { |
| throw e.rethrowFromSystemServer(); |
| } |
| } |
| |
| /** |
| * Get the RecentTaskInfo associated with this task. |
| * |
| * @return The RecentTaskInfo for this task, or null if the task no longer exists. |
| */ |
| public RecentTaskInfo getTaskInfo() { |
| try { |
| return mAppTaskImpl.getTaskInfo(); |
| } catch (RemoteException e) { |
| throw e.rethrowFromSystemServer(); |
| } |
| } |
| |
| /** |
| * Bring this task to the foreground. If it contains activities, they will be |
| * brought to the foreground with it and their instances re-created if needed. |
| * If it doesn't contain activities, the root activity of the task will be |
| * re-launched. |
| */ |
| public void moveToFront() { |
| try { |
| mAppTaskImpl.moveToFront(); |
| } catch (RemoteException e) { |
| throw e.rethrowFromSystemServer(); |
| } |
| } |
| |
| /** |
| * Start an activity in this task. Brings the task to the foreground. If this task |
| * is not currently active (that is, its id < 0), then a new activity for the given |
| * Intent will be launched as the root of the task and the task brought to the |
| * foreground. Otherwise, if this task is currently active and the Intent does not specify |
| * an activity to launch in a new task, then a new activity for the given Intent will |
| * be launched on top of the task and the task brought to the foreground. If this |
| * task is currently active and the Intent specifies {@link Intent#FLAG_ACTIVITY_NEW_TASK} |
| * or would otherwise be launched in to a new task, then the activity not launched but |
| * this task be brought to the foreground and a new intent delivered to the top |
| * activity if appropriate. |
| * |
| * <p>In other words, you generally want to use an Intent here that does not specify |
| * {@link Intent#FLAG_ACTIVITY_NEW_TASK} or {@link Intent#FLAG_ACTIVITY_NEW_DOCUMENT}, |
| * and let the system do the right thing.</p> |
| * |
| * @param intent The Intent describing the new activity to be launched on the task. |
| * @param options Optional launch options. |
| * |
| * @see Activity#startActivity(android.content.Intent, android.os.Bundle) |
| */ |
| public void startActivity(Context context, Intent intent, Bundle options) { |
| ActivityThread thread = ActivityThread.currentActivityThread(); |
| thread.getInstrumentation().execStartActivityFromAppTask(context, |
| thread.getApplicationThread(), mAppTaskImpl, intent, options); |
| } |
| |
| /** |
| * Modify the {@link Intent#FLAG_ACTIVITY_EXCLUDE_FROM_RECENTS} flag in the root |
| * Intent of this AppTask. |
| * |
| * @param exclude If true, {@link Intent#FLAG_ACTIVITY_EXCLUDE_FROM_RECENTS} will |
| * be set; otherwise, it will be cleared. |
| */ |
| public void setExcludeFromRecents(boolean exclude) { |
| try { |
| mAppTaskImpl.setExcludeFromRecents(exclude); |
| } catch (RemoteException e) { |
| throw e.rethrowFromSystemServer(); |
| } |
| } |
| } |
| } |