| package com.android.server.am; |
| |
| import static android.app.ActivityManager.StackId.DOCKED_STACK_ID; |
| import static android.app.ActivityManager.StackId.FREEFORM_WORKSPACE_STACK_ID; |
| import static android.app.ActivityManager.StackId.FULLSCREEN_WORKSPACE_STACK_ID; |
| import static android.content.Intent.FLAG_ACTIVITY_CLEAR_TASK; |
| import static android.content.Intent.FLAG_ACTIVITY_CLEAR_TOP; |
| import static android.content.Intent.FLAG_ACTIVITY_LAUNCH_TO_SIDE; |
| import static android.content.Intent.FLAG_ACTIVITY_MULTIPLE_TASK; |
| import static android.content.Intent.FLAG_ACTIVITY_NEW_TASK; |
| import static android.content.Intent.FLAG_ACTIVITY_TASK_ON_HOME; |
| import static com.android.server.am.ActivityManagerDebugConfig.DEBUG_CONFIGURATION; |
| import static com.android.server.am.ActivityManagerDebugConfig.DEBUG_FOCUS; |
| import static com.android.server.am.ActivityManagerDebugConfig.DEBUG_PERMISSIONS_REVIEW; |
| import static com.android.server.am.ActivityManagerDebugConfig.DEBUG_RESULTS; |
| import static com.android.server.am.ActivityManagerDebugConfig.DEBUG_STACK; |
| import static com.android.server.am.ActivityManagerDebugConfig.DEBUG_TASKS; |
| import static com.android.server.am.ActivityManagerDebugConfig.DEBUG_USER_LEAVING; |
| import static com.android.server.am.ActivityManagerDebugConfig.POSTFIX_CONFIGURATION; |
| import static com.android.server.am.ActivityManagerDebugConfig.POSTFIX_FOCUS; |
| import static com.android.server.am.ActivityManagerDebugConfig.POSTFIX_RESULTS; |
| import static com.android.server.am.ActivityManagerDebugConfig.POSTFIX_USER_LEAVING; |
| import static com.android.server.am.ActivityManagerDebugConfig.TAG_AM; |
| import static com.android.server.am.ActivityManagerDebugConfig.TAG_WITH_CLASS_NAME; |
| import static com.android.server.am.ActivityManagerService.ANIMATE; |
| import static com.android.server.am.ActivityRecord.HOME_ACTIVITY_TYPE; |
| import static com.android.server.am.ActivityRecord.RECENTS_ACTIVITY_TYPE; |
| import static com.android.server.am.ActivityStack.ActivityState.RESUMED; |
| import static com.android.server.am.ActivityStackSupervisor.CREATE_IF_NEEDED; |
| import static com.android.server.am.ActivityStackSupervisor.FORCE_FOCUS; |
| import static com.android.server.am.ActivityStackSupervisor.ON_TOP; |
| import static com.android.server.am.ActivityStackSupervisor.TAG_TASKS; |
| |
| import android.app.Activity; |
| import android.app.ActivityManager; |
| import android.app.ActivityOptions; |
| import android.app.AppGlobals; |
| import android.app.IActivityContainer; |
| import android.app.IActivityManager; |
| import android.app.IApplicationThread; |
| import android.app.KeyguardManager; |
| import android.app.PendingIntent; |
| import android.app.ProfilerInfo; |
| import android.content.ComponentName; |
| import android.content.Context; |
| import android.content.IIntentSender; |
| import android.content.Intent; |
| import android.content.IntentSender; |
| import android.content.pm.ActivityInfo; |
| import android.content.pm.ApplicationInfo; |
| import android.content.pm.ResolveInfo; |
| import android.content.pm.UserInfo; |
| import android.content.res.Configuration; |
| import android.graphics.Rect; |
| import android.os.Binder; |
| import android.os.Build; |
| import android.os.Bundle; |
| import android.os.IBinder; |
| import android.os.RemoteException; |
| import android.os.SystemClock; |
| import android.os.UserHandle; |
| import android.os.UserManager; |
| import android.service.voice.IVoiceInteractionSession; |
| import android.util.EventLog; |
| import android.util.Slog; |
| import android.view.Display; |
| |
| import com.android.internal.app.HeavyWeightSwitcherActivity; |
| import com.android.internal.app.IVoiceInteractor; |
| import com.android.internal.widget.LockPatternUtils; |
| import com.android.server.am.ActivityStackSupervisor.PendingActivityLaunch; |
| import com.android.server.wm.WindowManagerService; |
| |
| import java.util.ArrayList; |
| |
| /** |
| * Controller for interpreting how and then launching activities. |
| * |
| * This class collects all the logic for determining how an intent and flags should be turned into |
| * an activity and associated task and stack. |
| */ |
| public class ActivityStarter { |
| private static final String TAG = TAG_WITH_CLASS_NAME ? "ActivityStarter" : TAG_AM; |
| private static final String TAG_RESULTS = TAG + POSTFIX_RESULTS; |
| private static final String TAG_FOCUS = TAG + POSTFIX_FOCUS; |
| private static final String TAG_CONFIGURATION = TAG + POSTFIX_CONFIGURATION; |
| private static final String TAG_USER_LEAVING = TAG + POSTFIX_USER_LEAVING; |
| |
| private final ActivityManagerService mService; |
| private final ActivityStackSupervisor mSupervisor; |
| private WindowManagerService mWindowManager; |
| |
| final ArrayList<PendingActivityLaunch> mPendingActivityLaunches = new ArrayList<>(); |
| |
| ActivityStarter(ActivityManagerService service, ActivityStackSupervisor supervisor) { |
| mService = service; |
| mSupervisor = supervisor; |
| } |
| |
| final int startActivityLocked(IApplicationThread caller, Intent intent, Intent ephemeralIntent, |
| String resolvedType, ActivityInfo aInfo, ResolveInfo rInfo, |
| IVoiceInteractionSession voiceSession, IVoiceInteractor voiceInteractor, |
| IBinder resultTo, String resultWho, int requestCode, int callingPid, int callingUid, |
| String callingPackage, int realCallingPid, int realCallingUid, int startFlags, |
| ActivityOptions options, boolean ignoreTargetSecurity, boolean componentSpecified, |
| ActivityRecord[] outActivity, ActivityStackSupervisor.ActivityContainer container, |
| TaskRecord inTask) { |
| int err = ActivityManager.START_SUCCESS; |
| |
| ProcessRecord callerApp = null; |
| if (caller != null) { |
| callerApp = mService.getRecordForAppLocked(caller); |
| if (callerApp != null) { |
| callingPid = callerApp.pid; |
| callingUid = callerApp.info.uid; |
| } else { |
| Slog.w(TAG, "Unable to find app for caller " + caller |
| + " (pid=" + callingPid + ") when starting: " |
| + intent.toString()); |
| err = ActivityManager.START_PERMISSION_DENIED; |
| } |
| } |
| |
| final int userId = aInfo != null ? UserHandle.getUserId(aInfo.applicationInfo.uid) : 0; |
| |
| if (err == ActivityManager.START_SUCCESS) { |
| Slog.i(TAG, "START u" + userId + " {" + intent.toShortString(true, true, true, false) |
| + "} from uid " + callingUid |
| + " on display " + (container == null ? (mSupervisor.mFocusedStack == null ? |
| Display.DEFAULT_DISPLAY : mSupervisor.mFocusedStack.mDisplayId) : |
| (container.mActivityDisplay == null ? Display.DEFAULT_DISPLAY : |
| container.mActivityDisplay.mDisplayId))); |
| } |
| |
| ActivityRecord sourceRecord = null; |
| ActivityRecord resultRecord = null; |
| if (resultTo != null) { |
| sourceRecord = mSupervisor.isInAnyStackLocked(resultTo); |
| if (DEBUG_RESULTS) Slog.v(TAG_RESULTS, |
| "Will send result to " + resultTo + " " + sourceRecord); |
| if (sourceRecord != null) { |
| if (requestCode >= 0 && !sourceRecord.finishing) { |
| resultRecord = sourceRecord; |
| } |
| } |
| } |
| |
| final int launchFlags = intent.getFlags(); |
| |
| if ((launchFlags & Intent.FLAG_ACTIVITY_FORWARD_RESULT) != 0 && sourceRecord != null) { |
| // Transfer the result target from the source activity to the new |
| // one being started, including any failures. |
| if (requestCode >= 0) { |
| ActivityOptions.abort(options); |
| return ActivityManager.START_FORWARD_AND_REQUEST_CONFLICT; |
| } |
| resultRecord = sourceRecord.resultTo; |
| if (resultRecord != null && !resultRecord.isInStackLocked()) { |
| resultRecord = null; |
| } |
| resultWho = sourceRecord.resultWho; |
| requestCode = sourceRecord.requestCode; |
| sourceRecord.resultTo = null; |
| if (resultRecord != null) { |
| resultRecord.removeResultsLocked(sourceRecord, resultWho, requestCode); |
| } |
| if (sourceRecord.launchedFromUid == callingUid) { |
| // The new activity is being launched from the same uid as the previous |
| // activity in the flow, and asking to forward its result back to the |
| // previous. In this case the activity is serving as a trampoline between |
| // the two, so we also want to update its launchedFromPackage to be the |
| // same as the previous activity. Note that this is safe, since we know |
| // these two packages come from the same uid; the caller could just as |
| // well have supplied that same package name itself. This specifially |
| // deals with the case of an intent picker/chooser being launched in the app |
| // flow to redirect to an activity picked by the user, where we want the final |
| // activity to consider it to have been launched by the previous app activity. |
| callingPackage = sourceRecord.launchedFromPackage; |
| } |
| } |
| |
| if (err == ActivityManager.START_SUCCESS && intent.getComponent() == null) { |
| // We couldn't find a class that can handle the given Intent. |
| // That's the end of that! |
| err = ActivityManager.START_INTENT_NOT_RESOLVED; |
| } |
| |
| if (err == ActivityManager.START_SUCCESS && aInfo == null) { |
| // We couldn't find the specific class specified in the Intent. |
| // Also the end of the line. |
| err = ActivityManager.START_CLASS_NOT_FOUND; |
| } |
| |
| if (err == ActivityManager.START_SUCCESS && sourceRecord != null |
| && sourceRecord.task.voiceSession != null) { |
| // If this activity is being launched as part of a voice session, we need |
| // to ensure that it is safe to do so. If the upcoming activity will also |
| // be part of the voice session, we can only launch it if it has explicitly |
| // said it supports the VOICE category, or it is a part of the calling app. |
| if ((launchFlags & FLAG_ACTIVITY_NEW_TASK) == 0 |
| && sourceRecord.info.applicationInfo.uid != aInfo.applicationInfo.uid) { |
| try { |
| intent.addCategory(Intent.CATEGORY_VOICE); |
| if (!AppGlobals.getPackageManager().activitySupportsIntent( |
| intent.getComponent(), intent, resolvedType)) { |
| Slog.w(TAG, |
| "Activity being started in current voice task does not support voice: " |
| + intent); |
| err = ActivityManager.START_NOT_VOICE_COMPATIBLE; |
| } |
| } catch (RemoteException e) { |
| Slog.w(TAG, "Failure checking voice capabilities", e); |
| err = ActivityManager.START_NOT_VOICE_COMPATIBLE; |
| } |
| } |
| } |
| |
| if (err == ActivityManager.START_SUCCESS && voiceSession != null) { |
| // If the caller is starting a new voice session, just make sure the target |
| // is actually allowing it to run this way. |
| try { |
| if (!AppGlobals.getPackageManager().activitySupportsIntent(intent.getComponent(), |
| intent, resolvedType)) { |
| Slog.w(TAG, |
| "Activity being started in new voice task does not support: " |
| + intent); |
| err = ActivityManager.START_NOT_VOICE_COMPATIBLE; |
| } |
| } catch (RemoteException e) { |
| Slog.w(TAG, "Failure checking voice capabilities", e); |
| err = ActivityManager.START_NOT_VOICE_COMPATIBLE; |
| } |
| } |
| |
| final ActivityStack resultStack = resultRecord == null ? null : resultRecord.task.stack; |
| |
| if (err != ActivityManager.START_SUCCESS) { |
| if (resultRecord != null) { |
| resultStack.sendActivityResultLocked(-1, |
| resultRecord, resultWho, requestCode, |
| Activity.RESULT_CANCELED, null); |
| } |
| ActivityOptions.abort(options); |
| return err; |
| } |
| |
| boolean abort = !mSupervisor.checkStartAnyActivityPermission(intent, aInfo, resultWho, |
| requestCode, callingPid, callingUid, callingPackage, ignoreTargetSecurity, callerApp, |
| resultRecord, resultStack); |
| abort |= !mService.mIntentFirewall.checkStartActivity(intent, callingUid, |
| callingPid, resolvedType, aInfo.applicationInfo); |
| |
| if (mService.mController != null) { |
| try { |
| // The Intent we give to the watcher has the extra data |
| // stripped off, since it can contain private information. |
| Intent watchIntent = intent.cloneFilter(); |
| abort |= !mService.mController.activityStarting(watchIntent, |
| aInfo.applicationInfo.packageName); |
| } catch (RemoteException e) { |
| mService.mController = null; |
| } |
| } |
| |
| UserInfo user = mSupervisor.getUserInfo(userId); |
| KeyguardManager km = (KeyguardManager) mService.mContext |
| .getSystemService(Context.KEYGUARD_SERVICE); |
| if (user.isManagedProfile() |
| && LockPatternUtils.isSeparateWorkChallengeEnabled() |
| && km.isDeviceLocked(userId)) { |
| IIntentSender target = mService.getIntentSenderLocked( |
| ActivityManager.INTENT_SENDER_ACTIVITY, callingPackage, |
| Binder.getCallingUid(), userId, null, null, 0, new Intent[]{ intent }, |
| new String[]{ resolvedType }, |
| PendingIntent.FLAG_CANCEL_CURRENT | PendingIntent.FLAG_ONE_SHOT |
| | PendingIntent.FLAG_IMMUTABLE, null); |
| final int flags = intent.getFlags(); |
| final Intent newIntent = km.createConfirmDeviceCredentialIntent(null, null, user.id); |
| if (newIntent != null) { |
| intent = newIntent; |
| intent.setFlags(flags |
| | Intent.FLAG_ACTIVITY_NEW_TASK |
| | Intent.FLAG_ACTIVITY_EXCLUDE_FROM_RECENTS); |
| intent.putExtra(Intent.EXTRA_PACKAGE_NAME, aInfo.packageName); |
| intent.putExtra(Intent.EXTRA_INTENT, new IntentSender(target)); |
| |
| resolvedType = null; |
| callingUid = realCallingUid; |
| callingPid = realCallingPid; |
| |
| UserInfo parent = UserManager.get(mService.mContext).getProfileParent(userId); |
| rInfo = mSupervisor.resolveIntent(intent, resolvedType, parent.id); |
| aInfo = mSupervisor.resolveActivity(intent, rInfo, startFlags, |
| null /*profilerInfo*/); |
| } |
| } |
| |
| if (abort) { |
| if (resultRecord != null) { |
| resultStack.sendActivityResultLocked(-1, resultRecord, resultWho, requestCode, |
| Activity.RESULT_CANCELED, null); |
| } |
| // We pretend to the caller that it was really started, but |
| // they will just get a cancel result. |
| ActivityOptions.abort(options); |
| return ActivityManager.START_SUCCESS; |
| } |
| |
| // If permissions need a review before any of the app components can run, we |
| // launch the review activity and pass a pending intent to start the activity |
| // we are to launching now after the review is completed. |
| if (Build.PERMISSIONS_REVIEW_REQUIRED && aInfo != null) { |
| if (mService.getPackageManagerInternalLocked().isPermissionsReviewRequired( |
| aInfo.packageName, userId)) { |
| IIntentSender target = mService.getIntentSenderLocked( |
| ActivityManager.INTENT_SENDER_ACTIVITY, callingPackage, |
| callingUid, userId, null, null, 0, new Intent[]{intent}, |
| new String[]{resolvedType}, PendingIntent.FLAG_CANCEL_CURRENT |
| | PendingIntent.FLAG_ONE_SHOT, null); |
| |
| final int flags = intent.getFlags(); |
| Intent newIntent = new Intent(Intent.ACTION_REVIEW_PERMISSIONS); |
| newIntent.setFlags(flags |
| | Intent.FLAG_ACTIVITY_EXCLUDE_FROM_RECENTS); |
| newIntent.putExtra(Intent.EXTRA_PACKAGE_NAME, aInfo.packageName); |
| newIntent.putExtra(Intent.EXTRA_INTENT, new IntentSender(target)); |
| if (resultRecord != null) { |
| newIntent.putExtra(Intent.EXTRA_RESULT_NEEDED, true); |
| } |
| intent = newIntent; |
| |
| resolvedType = null; |
| callingUid = realCallingUid; |
| callingPid = realCallingPid; |
| |
| rInfo = mSupervisor.resolveIntent(intent, resolvedType, userId); |
| aInfo = mSupervisor.resolveActivity(intent, rInfo, startFlags, |
| null /*profilerInfo*/); |
| |
| if (DEBUG_PERMISSIONS_REVIEW) { |
| Slog.i(TAG, "START u" + userId + " {" + intent.toShortString(true, true, |
| true, false) + "} from uid " + callingUid + " on display " |
| + (container == null ? (mSupervisor.mFocusedStack == null ? |
| Display.DEFAULT_DISPLAY : mSupervisor.mFocusedStack.mDisplayId) : |
| (container.mActivityDisplay == null ? Display.DEFAULT_DISPLAY : |
| container.mActivityDisplay.mDisplayId))); |
| } |
| } |
| } |
| |
| // If we have an ephemeral app, abort the process of launching the resolved intent. |
| // Instead, launch the ephemeral installer. Once the installer is finished, it |
| // starts either the intent we resolved here [on install error] or the ephemeral |
| // app [on install success]. |
| if (rInfo != null && rInfo.ephemeralResolveInfo != null) { |
| // Create a pending intent to start the intent resolved here. |
| final IIntentSender failureTarget = mService.getIntentSenderLocked( |
| ActivityManager.INTENT_SENDER_ACTIVITY, callingPackage, |
| Binder.getCallingUid(), userId, null, null, 0, new Intent[]{ intent }, |
| new String[]{ resolvedType }, |
| PendingIntent.FLAG_CANCEL_CURRENT | PendingIntent.FLAG_ONE_SHOT |
| | PendingIntent.FLAG_IMMUTABLE, null); |
| |
| // Create a pending intent to start the ephemeral application; force it to be |
| // directed to the ephemeral package. |
| ephemeralIntent.setPackage(rInfo.ephemeralResolveInfo.getPackageName()); |
| final IIntentSender ephemeralTarget = mService.getIntentSenderLocked( |
| ActivityManager.INTENT_SENDER_ACTIVITY, callingPackage, |
| Binder.getCallingUid(), userId, null, null, 0, new Intent[]{ ephemeralIntent }, |
| new String[]{ resolvedType }, |
| PendingIntent.FLAG_CANCEL_CURRENT | PendingIntent.FLAG_ONE_SHOT |
| | PendingIntent.FLAG_IMMUTABLE, null); |
| |
| int flags = intent.getFlags(); |
| intent = new Intent(); |
| intent.setFlags(flags |
| | Intent.FLAG_ACTIVITY_NEW_TASK |
| | Intent.FLAG_ACTIVITY_EXCLUDE_FROM_RECENTS); |
| intent.putExtra(Intent.EXTRA_PACKAGE_NAME, |
| rInfo.ephemeralResolveInfo.getPackageName()); |
| intent.putExtra(Intent.EXTRA_EPHEMERAL_FAILURE, new IntentSender(failureTarget)); |
| intent.putExtra(Intent.EXTRA_EPHEMERAL_SUCCESS, new IntentSender(ephemeralTarget)); |
| |
| resolvedType = null; |
| callingUid = realCallingUid; |
| callingPid = realCallingPid; |
| |
| rInfo = rInfo.ephemeralInstaller; |
| aInfo = mSupervisor.resolveActivity(intent, rInfo, startFlags, null /*profilerInfo*/); |
| } |
| |
| ActivityRecord r = new ActivityRecord(mService, callerApp, callingUid, callingPackage, |
| intent, resolvedType, aInfo, mService.mConfiguration, resultRecord, resultWho, |
| requestCode, componentSpecified, voiceSession != null, mSupervisor, container, |
| options); |
| if (outActivity != null) { |
| outActivity[0] = r; |
| } |
| |
| if (r.appTimeTracker == null && sourceRecord != null) { |
| // If the caller didn't specify an explicit time tracker, we want to continue |
| // tracking under any it has. |
| r.appTimeTracker = sourceRecord.appTimeTracker; |
| } |
| |
| final ActivityStack stack = mSupervisor.mFocusedStack; |
| if (voiceSession == null && (stack.mResumedActivity == null |
| || stack.mResumedActivity.info.applicationInfo.uid != callingUid)) { |
| if (!mService.checkAppSwitchAllowedLocked(callingPid, callingUid, |
| realCallingPid, realCallingUid, "Activity start")) { |
| PendingActivityLaunch pal = new PendingActivityLaunch(r, |
| sourceRecord, startFlags, stack, callerApp); |
| mPendingActivityLaunches.add(pal); |
| ActivityOptions.abort(options); |
| return ActivityManager.START_SWITCHES_CANCELED; |
| } |
| } |
| |
| if (mService.mDidAppSwitch) { |
| // This is the second allowed switch since we stopped switches, |
| // so now just generally allow switches. Use case: user presses |
| // home (switches disabled, switch to home, mDidAppSwitch now true); |
| // user taps a home icon (coming from home so allowed, we hit here |
| // and now allow anyone to switch again). |
| mService.mAppSwitchesAllowedTime = 0; |
| } else { |
| mService.mDidAppSwitch = true; |
| } |
| |
| doPendingActivityLaunchesLocked(false); |
| |
| err = startActivityUncheckedLocked(r, sourceRecord, voiceSession, |
| voiceInteractor, startFlags, true, options, inTask); |
| |
| if (err < 0) { |
| // If someone asked to have the keyguard dismissed on the next |
| // activity start, but we are not actually doing an activity |
| // switch... just dismiss the keyguard now, because we |
| // probably want to see whatever is behind it. |
| mSupervisor.notifyActivityDrawnForKeyguard(); |
| } |
| return err; |
| } |
| |
| void startHomeActivityLocked(Intent intent, ActivityInfo aInfo, String reason) { |
| mSupervisor.moveHomeStackTaskToTop(HOME_ACTIVITY_TYPE, reason); |
| startActivityLocked(null /*caller*/, intent, null /*ephemeralIntent*/, |
| null /*resolvedType*/, aInfo, null /*rInfo*/, null /*voiceSession*/, |
| null /*voiceInteractor*/, null /*resultTo*/, null /*resultWho*/, |
| 0 /*requestCode*/, 0 /*callingPid*/, 0 /*callingUid*/, null /*callingPackage*/, |
| 0 /*realCallingPid*/, 0 /*realCallingUid*/, 0 /*startFlags*/, null /*options*/, |
| false /*ignoreTargetSecurity*/, false /*componentSpecified*/, null /*outActivity*/, |
| null /*container*/, null /*inTask*/); |
| if (mSupervisor.inResumeTopActivity) { |
| // If we are in resume section already, home activity will be initialized, but not |
| // resumed (to avoid recursive resume) and will stay that way until something pokes it |
| // again. We need to schedule another resume. |
| mSupervisor.scheduleResumeTopActivities(); |
| } |
| } |
| |
| final int startActivityMayWait(IApplicationThread caller, int callingUid, |
| String callingPackage, Intent intent, String resolvedType, |
| IVoiceInteractionSession voiceSession, IVoiceInteractor voiceInteractor, |
| IBinder resultTo, String resultWho, int requestCode, int startFlags, |
| ProfilerInfo profilerInfo, IActivityManager.WaitResult outResult, Configuration config, |
| Bundle bOptions, boolean ignoreTargetSecurity, int userId, |
| IActivityContainer iContainer, TaskRecord inTask) { |
| // Refuse possible leaked file descriptors |
| if (intent != null && intent.hasFileDescriptors()) { |
| throw new IllegalArgumentException("File descriptors passed in Intent"); |
| } |
| boolean componentSpecified = intent.getComponent() != null; |
| |
| // Save a copy in case ephemeral needs it |
| final Intent ephemeralIntent = new Intent(intent); |
| // Don't modify the client's object! |
| intent = new Intent(intent); |
| |
| ResolveInfo rInfo = mSupervisor.resolveIntent(intent, resolvedType, userId); |
| // Collect information about the target of the Intent. |
| ActivityInfo aInfo = mSupervisor.resolveActivity(intent, rInfo, startFlags, profilerInfo); |
| |
| ActivityOptions options = ActivityOptions.fromBundle(bOptions); |
| ActivityStackSupervisor.ActivityContainer container = |
| (ActivityStackSupervisor.ActivityContainer)iContainer; |
| synchronized (mService) { |
| if (container != null && container.mParentActivity != null && |
| container.mParentActivity.state != RESUMED) { |
| // Cannot start a child activity if the parent is not resumed. |
| return ActivityManager.START_CANCELED; |
| } |
| final int realCallingPid = Binder.getCallingPid(); |
| final int realCallingUid = Binder.getCallingUid(); |
| int callingPid; |
| if (callingUid >= 0) { |
| callingPid = -1; |
| } else if (caller == null) { |
| callingPid = realCallingPid; |
| callingUid = realCallingUid; |
| } else { |
| callingPid = callingUid = -1; |
| } |
| |
| final ActivityStack stack; |
| if (container == null || container.mStack.isOnHomeDisplay()) { |
| stack = mSupervisor.mFocusedStack; |
| } else { |
| stack = container.mStack; |
| } |
| stack.mConfigWillChange = config != null && mService.mConfiguration.diff(config) != 0; |
| if (DEBUG_CONFIGURATION) Slog.v(TAG_CONFIGURATION, |
| "Starting activity when config will change = " + stack.mConfigWillChange); |
| |
| final long origId = Binder.clearCallingIdentity(); |
| |
| if (aInfo != null && |
| (aInfo.applicationInfo.privateFlags |
| & ApplicationInfo.PRIVATE_FLAG_CANT_SAVE_STATE) != 0) { |
| // This may be a heavy-weight process! Check to see if we already |
| // have another, different heavy-weight process running. |
| if (aInfo.processName.equals(aInfo.applicationInfo.packageName)) { |
| final ProcessRecord heavy = mService.mHeavyWeightProcess; |
| if (heavy != null && (heavy.info.uid != aInfo.applicationInfo.uid |
| || !heavy.processName.equals(aInfo.processName))) { |
| int appCallingUid = callingUid; |
| if (caller != null) { |
| ProcessRecord callerApp = mService.getRecordForAppLocked(caller); |
| if (callerApp != null) { |
| appCallingUid = callerApp.info.uid; |
| } else { |
| Slog.w(TAG, "Unable to find app for caller " + caller |
| + " (pid=" + callingPid + ") when starting: " |
| + intent.toString()); |
| ActivityOptions.abort(options); |
| return ActivityManager.START_PERMISSION_DENIED; |
| } |
| } |
| |
| IIntentSender target = mService.getIntentSenderLocked( |
| ActivityManager.INTENT_SENDER_ACTIVITY, "android", |
| appCallingUid, userId, null, null, 0, new Intent[] { intent }, |
| new String[] { resolvedType }, PendingIntent.FLAG_CANCEL_CURRENT |
| | PendingIntent.FLAG_ONE_SHOT, null); |
| |
| Intent newIntent = new Intent(); |
| if (requestCode >= 0) { |
| // Caller is requesting a result. |
| newIntent.putExtra(HeavyWeightSwitcherActivity.KEY_HAS_RESULT, true); |
| } |
| newIntent.putExtra(HeavyWeightSwitcherActivity.KEY_INTENT, |
| new IntentSender(target)); |
| if (heavy.activities.size() > 0) { |
| ActivityRecord hist = heavy.activities.get(0); |
| newIntent.putExtra(HeavyWeightSwitcherActivity.KEY_CUR_APP, |
| hist.packageName); |
| newIntent.putExtra(HeavyWeightSwitcherActivity.KEY_CUR_TASK, |
| hist.task.taskId); |
| } |
| newIntent.putExtra(HeavyWeightSwitcherActivity.KEY_NEW_APP, |
| aInfo.packageName); |
| newIntent.setFlags(intent.getFlags()); |
| newIntent.setClassName("android", |
| HeavyWeightSwitcherActivity.class.getName()); |
| intent = newIntent; |
| resolvedType = null; |
| caller = null; |
| callingUid = Binder.getCallingUid(); |
| callingPid = Binder.getCallingPid(); |
| componentSpecified = true; |
| rInfo = mSupervisor.resolveIntent(intent, null /*resolvedType*/, userId); |
| aInfo = rInfo != null ? rInfo.activityInfo : null; |
| if (aInfo != null) { |
| aInfo = mService.getActivityInfoForUser(aInfo, userId); |
| } |
| } |
| } |
| } |
| |
| int res = startActivityLocked(caller, intent, ephemeralIntent, resolvedType, |
| aInfo, rInfo, voiceSession, voiceInteractor, |
| resultTo, resultWho, requestCode, callingPid, |
| callingUid, callingPackage, realCallingPid, realCallingUid, startFlags, |
| options, ignoreTargetSecurity, componentSpecified, null, container, inTask); |
| |
| Binder.restoreCallingIdentity(origId); |
| |
| if (stack.mConfigWillChange) { |
| // If the caller also wants to switch to a new configuration, |
| // do so now. This allows a clean switch, as we are waiting |
| // for the current activity to pause (so we will not destroy |
| // it), and have not yet started the next activity. |
| mService.enforceCallingPermission(android.Manifest.permission.CHANGE_CONFIGURATION, |
| "updateConfiguration()"); |
| stack.mConfigWillChange = false; |
| if (DEBUG_CONFIGURATION) Slog.v(TAG_CONFIGURATION, |
| "Updating to new configuration after starting activity."); |
| mService.updateConfigurationLocked(config, null, false); |
| } |
| |
| if (outResult != null) { |
| outResult.result = res; |
| if (res == ActivityManager.START_SUCCESS) { |
| mSupervisor.mWaitingActivityLaunched.add(outResult); |
| do { |
| try { |
| mService.wait(); |
| } catch (InterruptedException e) { |
| } |
| } while (!outResult.timeout && outResult.who == null); |
| } else if (res == ActivityManager.START_TASK_TO_FRONT) { |
| ActivityRecord r = stack.topRunningActivityLocked(); |
| if (r.nowVisible && r.state == RESUMED) { |
| outResult.timeout = false; |
| outResult.who = new ComponentName(r.info.packageName, r.info.name); |
| outResult.totalTime = 0; |
| outResult.thisTime = 0; |
| } else { |
| outResult.thisTime = SystemClock.uptimeMillis(); |
| mSupervisor.mWaitingActivityVisible.add(outResult); |
| do { |
| try { |
| mService.wait(); |
| } catch (InterruptedException e) { |
| } |
| } while (!outResult.timeout && outResult.who == null); |
| } |
| } |
| } |
| |
| return res; |
| } |
| } |
| |
| final int startActivityUncheckedLocked(final ActivityRecord r, ActivityRecord sourceRecord, |
| IVoiceInteractionSession voiceSession, IVoiceInteractor voiceInteractor, int startFlags, |
| boolean doResume, ActivityOptions options, TaskRecord inTask) { |
| final Intent intent = r.intent; |
| final int callingUid = r.launchedFromUid; |
| |
| final Rect newBounds = mSupervisor.getOverrideBounds(r, options, inTask); |
| final boolean overrideBounds = newBounds != null; |
| |
| // In some flows in to this function, we retrieve the task record and hold on to it |
| // without a lock before calling back in to here... so the task at this point may |
| // not actually be in recents. Check for that, and if it isn't in recents just |
| // consider it invalid. |
| if (inTask != null && !inTask.inRecents) { |
| Slog.w(TAG, "Starting activity in task not in recents: " + inTask); |
| inTask = null; |
| } |
| |
| final boolean launchSingleTop = r.launchMode == ActivityInfo.LAUNCH_SINGLE_TOP; |
| final boolean launchSingleInstance = r.launchMode == ActivityInfo.LAUNCH_SINGLE_INSTANCE; |
| final boolean launchSingleTask = r.launchMode == ActivityInfo.LAUNCH_SINGLE_TASK; |
| int launchFlags = adjustLaunchFlagsToDocumentMode(r, launchSingleInstance, launchSingleTask, |
| intent.getFlags()); |
| final boolean launchTaskBehind = r.mLaunchTaskBehind |
| && !launchSingleTask && !launchSingleInstance |
| && (launchFlags & Intent.FLAG_ACTIVITY_NEW_DOCUMENT) != 0; |
| |
| if (r.resultTo != null && (launchFlags & FLAG_ACTIVITY_NEW_TASK) != 0 |
| && r.resultTo.task.stack != null) { |
| // For whatever reason this activity is being launched into a new |
| // task... yet the caller has requested a result back. Well, that |
| // is pretty messed up, so instead immediately send back a cancel |
| // and let the new task continue launched as normal without a |
| // dependency on its originator. |
| Slog.w(TAG, "Activity is launching as a new task, so cancelling activity result."); |
| r.resultTo.task.stack.sendActivityResultLocked(-1, |
| r.resultTo, r.resultWho, r.requestCode, |
| Activity.RESULT_CANCELED, null); |
| r.resultTo = null; |
| } |
| |
| if ((launchFlags & Intent.FLAG_ACTIVITY_NEW_DOCUMENT) != 0 && r.resultTo == null) { |
| launchFlags |= FLAG_ACTIVITY_NEW_TASK; |
| } |
| |
| // If we are actually going to launch in to a new task, there are some cases where |
| // we further want to do multiple task. |
| if ((launchFlags & FLAG_ACTIVITY_NEW_TASK) != 0) { |
| if (launchTaskBehind |
| || r.info.documentLaunchMode == ActivityInfo.DOCUMENT_LAUNCH_ALWAYS) { |
| launchFlags |= FLAG_ACTIVITY_MULTIPLE_TASK; |
| } |
| } |
| |
| // We'll invoke onUserLeaving before onPause only if the launching |
| // activity did not explicitly state that this is an automated launch. |
| mSupervisor.mUserLeaving = (launchFlags & Intent.FLAG_ACTIVITY_NO_USER_ACTION) == 0; |
| if (DEBUG_USER_LEAVING) Slog.v(TAG_USER_LEAVING, |
| "startActivity() => mUserLeaving=" + mSupervisor.mUserLeaving); |
| |
| // If the caller has asked not to resume at this point, we make note |
| // of this in the record so that we can skip it when trying to find |
| // the top running activity. |
| if (!doResume || !mSupervisor.okToShowLocked(r)) { |
| r.delayedResume = true; |
| doResume = false; |
| } |
| |
| final ActivityRecord notTop = |
| (launchFlags & Intent.FLAG_ACTIVITY_PREVIOUS_IS_TOP) != 0 ? r : null; |
| |
| // If the onlyIfNeeded flag is set, then we can do this if the activity |
| // being launched is the same as the one making the call... or, as |
| // a special case, if we do not know the caller then we count the |
| // current top activity as the caller. |
| if ((startFlags&ActivityManager.START_FLAG_ONLY_IF_NEEDED) != 0) { |
| ActivityRecord checkedCaller = sourceRecord; |
| if (checkedCaller == null) { |
| checkedCaller = mSupervisor.mFocusedStack.topRunningNonDelayedActivityLocked( |
| notTop); |
| } |
| if (!checkedCaller.realActivity.equals(r.realActivity)) { |
| // Caller is not the same as launcher, so always needed. |
| startFlags &= ~ActivityManager.START_FLAG_ONLY_IF_NEEDED; |
| } |
| } |
| |
| boolean addingToTask = false; |
| TaskRecord reuseTask = null; |
| |
| // If the caller is not coming from another activity, but has given us an |
| // explicit task into which they would like us to launch the new activity, |
| // then let's see about doing that. |
| if (sourceRecord == null && inTask != null && inTask.stack != null) { |
| final Intent baseIntent = inTask.getBaseIntent(); |
| final ActivityRecord root = inTask.getRootActivity(); |
| if (baseIntent == null) { |
| ActivityOptions.abort(options); |
| throw new IllegalArgumentException("Launching into task without base intent: " |
| + inTask); |
| } |
| |
| // If this task is empty, then we are adding the first activity -- it |
| // determines the root, and must be launching as a NEW_TASK. |
| if (launchSingleInstance || launchSingleTask) { |
| if (!baseIntent.getComponent().equals(r.intent.getComponent())) { |
| ActivityOptions.abort(options); |
| throw new IllegalArgumentException("Trying to launch singleInstance/Task " |
| + r + " into different task " + inTask); |
| } |
| if (root != null) { |
| ActivityOptions.abort(options); |
| throw new IllegalArgumentException("Caller with inTask " + inTask |
| + " has root " + root + " but target is singleInstance/Task"); |
| } |
| } |
| |
| // If task is empty, then adopt the interesting intent launch flags in to the |
| // activity being started. |
| if (root == null) { |
| final int flagsOfInterest = FLAG_ACTIVITY_NEW_TASK |
| | FLAG_ACTIVITY_MULTIPLE_TASK | Intent.FLAG_ACTIVITY_NEW_DOCUMENT |
| | Intent.FLAG_ACTIVITY_RETAIN_IN_RECENTS; |
| launchFlags = (launchFlags&~flagsOfInterest) |
| | (baseIntent.getFlags()&flagsOfInterest); |
| intent.setFlags(launchFlags); |
| inTask.setIntent(r); |
| addingToTask = true; |
| |
| // If the task is not empty and the caller is asking to start it as the root |
| // of a new task, then we don't actually want to start this on the task. We |
| // will bring the task to the front, and possibly give it a new intent. |
| } else if ((launchFlags & FLAG_ACTIVITY_NEW_TASK) != 0) { |
| addingToTask = false; |
| |
| } else { |
| addingToTask = true; |
| } |
| |
| reuseTask = inTask; |
| } else { |
| inTask = null; |
| // Launch ResolverActivity in the source task, so that it stays in the task |
| // bounds when in freeform workspace. |
| // Also put noDisplay activities in the source task. These by itself can |
| // be placed in any task/stack, however it could launch other activities |
| // like ResolverActivity, and we want those to stay in the original task. |
| if ((r.isResolverActivity() || r.noDisplay) && sourceRecord != null |
| && sourceRecord.isFreeform()) { |
| addingToTask = true; |
| } |
| } |
| |
| if (inTask == null) { |
| if (sourceRecord == null) { |
| // This activity is not being started from another... in this |
| // case we -always- start a new task. |
| if ((launchFlags & FLAG_ACTIVITY_NEW_TASK) == 0 && inTask == null) { |
| Slog.w(TAG, "startActivity called from non-Activity context; forcing " + |
| "Intent.FLAG_ACTIVITY_NEW_TASK for: " + intent); |
| launchFlags |= FLAG_ACTIVITY_NEW_TASK; |
| } |
| } else if (sourceRecord.launchMode == ActivityInfo.LAUNCH_SINGLE_INSTANCE) { |
| // The original activity who is starting us is running as a single |
| // instance... this new activity it is starting must go on its |
| // own task. |
| launchFlags |= FLAG_ACTIVITY_NEW_TASK; |
| } else if (launchSingleInstance || launchSingleTask) { |
| // The activity being started is a single instance... it always |
| // gets launched into its own task. |
| launchFlags |= FLAG_ACTIVITY_NEW_TASK; |
| } |
| } |
| |
| ActivityInfo newTaskInfo = null; |
| Intent newTaskIntent = null; |
| final ActivityStack sourceStack; |
| if (sourceRecord != null) { |
| if (sourceRecord.finishing) { |
| // If the source is finishing, we can't further count it as our source. This |
| // is because the task it is associated with may now be empty and on its way out, |
| // so we don't want to blindly throw it in to that task. Instead we will take |
| // the NEW_TASK flow and try to find a task for it. But save the task information |
| // so it can be used when creating the new task. |
| if ((launchFlags & FLAG_ACTIVITY_NEW_TASK) == 0) { |
| Slog.w(TAG, "startActivity called from finishing " + sourceRecord |
| + "; forcing " + "Intent.FLAG_ACTIVITY_NEW_TASK for: " + intent); |
| launchFlags |= FLAG_ACTIVITY_NEW_TASK; |
| newTaskInfo = sourceRecord.info; |
| newTaskIntent = sourceRecord.task.intent; |
| } |
| sourceRecord = null; |
| sourceStack = null; |
| } else { |
| sourceStack = sourceRecord.task.stack; |
| } |
| } else { |
| sourceStack = null; |
| } |
| |
| boolean movedHome = false; |
| ActivityStack targetStack; |
| |
| intent.setFlags(launchFlags); |
| final boolean noAnimation = (launchFlags & Intent.FLAG_ACTIVITY_NO_ANIMATION) != 0; |
| |
| ActivityRecord intentActivity = getReusableIntentActivity(r, inTask, intent, |
| launchSingleInstance, launchSingleTask, launchFlags); |
| if (intentActivity != null) { |
| // When the flags NEW_TASK and CLEAR_TASK are set, then the task gets reused |
| // but still needs to be a lock task mode violation since the task gets |
| // cleared out and the device would otherwise leave the locked task. |
| if (mSupervisor.isLockTaskModeViolation(intentActivity.task, |
| (launchFlags & (FLAG_ACTIVITY_NEW_TASK | FLAG_ACTIVITY_CLEAR_TASK)) |
| == (FLAG_ACTIVITY_NEW_TASK | FLAG_ACTIVITY_CLEAR_TASK))) { |
| mSupervisor.showLockTaskToast(); |
| Slog.e(TAG, "startActivityUnchecked: Attempt to violate Lock Task Mode"); |
| return ActivityManager.START_RETURN_LOCK_TASK_MODE_VIOLATION; |
| } |
| if (r.task == null) { |
| r.task = intentActivity.task; |
| } |
| if (intentActivity.task.intent == null) { |
| // This task was started because of movement of the activity based on affinity... |
| // Now that we are actually launching it, we can assign the base intent. |
| intentActivity.task.setIntent(r); |
| } |
| |
| targetStack = intentActivity.task.stack; |
| targetStack.mLastPausedActivity = null; |
| // If the target task is not in the front, then we need |
| // to bring it to the front... except... well, with |
| // SINGLE_TASK_LAUNCH it's not entirely clear. We'd like |
| // to have the same behavior as if a new instance was |
| // being started, which means not bringing it to the front |
| // if the caller is not itself in the front. |
| final ActivityStack focusStack = mSupervisor.getFocusedStack(); |
| ActivityRecord curTop = (focusStack == null) |
| ? null : focusStack.topRunningNonDelayedActivityLocked(notTop); |
| boolean movedToFront = false; |
| if (curTop != null && (curTop.task != intentActivity.task || |
| curTop.task != focusStack.topTask())) { |
| r.intent.addFlags(Intent.FLAG_ACTIVITY_BROUGHT_TO_FRONT); |
| if (sourceRecord == null || (sourceStack.topActivity() != null && |
| sourceStack.topActivity().task == sourceRecord.task)) { |
| // We really do want to push this one into the user's face, right now. |
| if (launchTaskBehind && sourceRecord != null) { |
| intentActivity.setTaskToAffiliateWith(sourceRecord.task); |
| } |
| movedHome = true; |
| final ActivityStack sideStack = getLaunchToSideStack(r, launchFlags, r.task); |
| if (sideStack == null || sideStack == targetStack) { |
| // We only want to move to the front, if we aren't going to launch on a |
| // different stack. If we launch on a different stack, we will put the |
| // task on top there. |
| targetStack.moveTaskToFrontLocked(intentActivity.task, noAnimation, |
| options, r.appTimeTracker, "bringingFoundTaskToFront"); |
| movedToFront = true; |
| } |
| if ((launchFlags & (FLAG_ACTIVITY_NEW_TASK | FLAG_ACTIVITY_TASK_ON_HOME)) |
| == (FLAG_ACTIVITY_NEW_TASK | FLAG_ACTIVITY_TASK_ON_HOME)) { |
| // Caller wants to appear on home activity. |
| intentActivity.task.setTaskToReturnTo(HOME_ACTIVITY_TYPE); |
| } |
| options = null; |
| } |
| } |
| if (!movedToFront && doResume) { |
| if (DEBUG_TASKS) Slog.d(TAG_TASKS, "Bring to front target: " + targetStack |
| + " from " + intentActivity); |
| targetStack.moveToFront("intentActivityFound"); |
| } |
| |
| // If the caller has requested that the target task be |
| // reset, then do so. |
| if ((launchFlags & Intent.FLAG_ACTIVITY_RESET_TASK_IF_NEEDED) != 0) { |
| intentActivity = targetStack.resetTaskIfNeededLocked(intentActivity, r); |
| } |
| if ((startFlags & ActivityManager.START_FLAG_ONLY_IF_NEEDED) != 0) { |
| // We don't need to start a new activity, and |
| // the client said not to do anything if that |
| // is the case, so this is it! And for paranoia, make |
| // sure we have correctly resumed the top activity. |
| if (doResume) { |
| mSupervisor.resumeTopActivitiesLocked(targetStack, null, options); |
| |
| // Make sure to notify Keyguard as well if we are not running an app |
| // transition later. |
| if (!movedToFront) { |
| mSupervisor.notifyActivityDrawnForKeyguard(); |
| } |
| } else { |
| ActivityOptions.abort(options); |
| } |
| mSupervisor.updateUserStackLocked(r.userId, targetStack); |
| return ActivityManager.START_RETURN_INTENT_TO_CALLER; |
| } |
| if ((launchFlags & (FLAG_ACTIVITY_NEW_TASK | FLAG_ACTIVITY_CLEAR_TASK)) |
| == (FLAG_ACTIVITY_NEW_TASK | FLAG_ACTIVITY_CLEAR_TASK)) { |
| // The caller has requested to completely replace any |
| // existing task with its new activity. Well that should |
| // not be too hard... |
| reuseTask = intentActivity.task; |
| reuseTask.performClearTaskLocked(); |
| reuseTask.setIntent(r); |
| } else if ((launchFlags & FLAG_ACTIVITY_CLEAR_TOP) != 0 |
| || launchSingleInstance || launchSingleTask) { |
| // In this situation we want to remove all activities |
| // from the task up to the one being started. In most |
| // cases this means we are resetting the task to its |
| // initial state. |
| ActivityRecord top = intentActivity.task.performClearTaskLocked(r, launchFlags); |
| if (top != null) { |
| if (top.frontOfTask) { |
| // Activity aliases may mean we use different |
| // intents for the top activity, so make sure |
| // the task now has the identity of the new |
| // intent. |
| top.task.setIntent(r); |
| } |
| ActivityStack.logStartActivity(EventLogTags.AM_NEW_INTENT, r, top.task); |
| top.deliverNewIntentLocked(callingUid, r.intent, r.launchedFromPackage); |
| } else { |
| // A special case: we need to start the activity because it is not |
| // currently running, and the caller has asked to clear the current |
| // task to have this activity at the top. |
| addingToTask = true; |
| // Now pretend like this activity is being started by the top of its |
| // task, so it is put in the right place. |
| sourceRecord = intentActivity; |
| TaskRecord task = sourceRecord.task; |
| if (task != null && task.stack == null) { |
| // Target stack got cleared when we all activities were removed |
| // above. Go ahead and reset it. |
| targetStack = computeStackFocus( |
| sourceRecord, false /* newTask */, null /* bounds */, launchFlags); |
| targetStack.addTask(task, |
| !launchTaskBehind /* toTop */, "startActivityUnchecked"); |
| } |
| |
| } |
| } else if (r.realActivity.equals(intentActivity.task.realActivity)) { |
| // In this case the top activity on the task is the |
| // same as the one being launched, so we take that |
| // as a request to bring the task to the foreground. |
| // If the top activity in the task is the root |
| // activity, deliver this new intent to it if it |
| // desires. |
| if (((launchFlags&Intent.FLAG_ACTIVITY_SINGLE_TOP) != 0 || launchSingleTop) |
| && intentActivity.realActivity.equals(r.realActivity)) { |
| ActivityStack.logStartActivity(EventLogTags.AM_NEW_INTENT, r, |
| intentActivity.task); |
| if (intentActivity.frontOfTask) { |
| intentActivity.task.setIntent(r); |
| } |
| intentActivity.deliverNewIntentLocked(callingUid, r.intent, |
| r.launchedFromPackage); |
| } else if (!r.intent.filterEquals(intentActivity.task.intent)) { |
| // In this case we are launching the root activity |
| // of the task, but with a different intent. We |
| // should start a new instance on top. |
| addingToTask = true; |
| sourceRecord = intentActivity; |
| } |
| } else if ((launchFlags&Intent.FLAG_ACTIVITY_RESET_TASK_IF_NEEDED) == 0) { |
| // In this case an activity is being launched in to an |
| // existing task, without resetting that task. This |
| // is typically the situation of launching an activity |
| // from a notification or shortcut. We want to place |
| // the new activity on top of the current task. |
| addingToTask = true; |
| sourceRecord = intentActivity; |
| } else if (!intentActivity.task.rootWasReset) { |
| // In this case we are launching in to an existing task |
| // that has not yet been started from its front door. |
| // The current task has been brought to the front. |
| // Ideally, we'd probably like to place this new task |
| // at the bottom of its stack, but that's a little hard |
| // to do with the current organization of the code so |
| // for now we'll just drop it. |
| intentActivity.task.setIntent(r); |
| } |
| if (!addingToTask && reuseTask == null) { |
| // We didn't do anything... but it was needed (a.k.a., client |
| // don't use that intent!) And for paranoia, make |
| // sure we have correctly resumed the top activity. |
| if (doResume) { |
| targetStack.resumeTopActivityLocked(null, options); |
| if (!movedToFront) { |
| // Make sure to notify Keyguard as well if we are not running an app |
| // transition later. |
| mSupervisor.notifyActivityDrawnForKeyguard(); |
| } |
| } else { |
| ActivityOptions.abort(options); |
| } |
| mSupervisor.updateUserStackLocked(r.userId, targetStack); |
| return ActivityManager.START_TASK_TO_FRONT; |
| } |
| } |
| |
| //String uri = r.intent.toURI(); |
| //Intent intent2 = new Intent(uri); |
| //Slog.i(TAG, "Given intent: " + r.intent); |
| //Slog.i(TAG, "URI is: " + uri); |
| //Slog.i(TAG, "To intent: " + intent2); |
| |
| if (r.packageName != null) { |
| // If the activity being launched is the same as the one currently |
| // at the top, then we need to check if it should only be launched |
| // once. |
| ActivityStack topStack = mSupervisor.mFocusedStack; |
| ActivityRecord top = topStack.topRunningNonDelayedActivityLocked(notTop); |
| final boolean dontStart = top != null && r.resultTo == null |
| && top.realActivity.equals(r.realActivity) && top.userId == r.userId |
| && top.app != null && top.app.thread != null |
| && ((launchFlags & Intent.FLAG_ACTIVITY_SINGLE_TOP) != 0 |
| || launchSingleTop || launchSingleTask); |
| if (dontStart) { |
| ActivityStack.logStartActivity(EventLogTags.AM_NEW_INTENT, top, top.task); |
| // For paranoia, make sure we have correctly resumed the top activity. |
| topStack.mLastPausedActivity = null; |
| if (doResume) { |
| mSupervisor.resumeTopActivitiesLocked(); |
| } |
| ActivityOptions.abort(options); |
| if ((startFlags & ActivityManager.START_FLAG_ONLY_IF_NEEDED) != 0) { |
| // We don't need to start a new activity, and the client said not to do |
| // anything if that is the case, so this is it! |
| return ActivityManager.START_RETURN_INTENT_TO_CALLER; |
| } |
| top.deliverNewIntentLocked(callingUid, r.intent, r.launchedFromPackage); |
| return ActivityManager.START_DELIVERED_TO_TOP; |
| } |
| } else { |
| if (r.resultTo != null && r.resultTo.task.stack != null) { |
| r.resultTo.task.stack.sendActivityResultLocked(-1, r.resultTo, r.resultWho, |
| r.requestCode, Activity.RESULT_CANCELED, null); |
| } |
| ActivityOptions.abort(options); |
| return ActivityManager.START_CLASS_NOT_FOUND; |
| } |
| |
| boolean newTask = false; |
| boolean keepCurTransition = false; |
| |
| final TaskRecord taskToAffiliate = launchTaskBehind && sourceRecord != null ? |
| sourceRecord.task : null; |
| |
| // Should this be considered a new task? |
| if (r.resultTo == null && inTask == null && !addingToTask |
| && (launchFlags & FLAG_ACTIVITY_NEW_TASK) != 0) { |
| newTask = true; |
| targetStack = computeStackFocus(r, newTask, newBounds, launchFlags); |
| if (doResume) { |
| targetStack.moveToFront("startingNewTask"); |
| } |
| |
| if (reuseTask == null) { |
| r.setTask(targetStack.createTaskRecord(mSupervisor.getNextTaskId(), |
| newTaskInfo != null ? newTaskInfo : r.info, |
| newTaskIntent != null ? newTaskIntent : intent, |
| voiceSession, voiceInteractor, !launchTaskBehind /* toTop */), |
| taskToAffiliate); |
| if (overrideBounds) { |
| r.task.updateOverrideConfiguration(newBounds); |
| } |
| if (DEBUG_TASKS) Slog.v(TAG_TASKS, |
| "Starting new activity " + r + " in new task " + r.task); |
| } else { |
| r.setTask(reuseTask, taskToAffiliate); |
| } |
| if (mSupervisor.isLockTaskModeViolation(r.task)) { |
| Slog.e(TAG, "Attempted Lock Task Mode violation r=" + r); |
| return ActivityManager.START_RETURN_LOCK_TASK_MODE_VIOLATION; |
| } |
| if (!movedHome) { |
| if ((launchFlags & |
| (FLAG_ACTIVITY_NEW_TASK | FLAG_ACTIVITY_TASK_ON_HOME)) |
| == (FLAG_ACTIVITY_NEW_TASK | FLAG_ACTIVITY_TASK_ON_HOME)) { |
| // Caller wants to appear on home activity, so before starting |
| // their own activity we will bring home to the front. |
| r.task.setTaskToReturnTo(HOME_ACTIVITY_TYPE); |
| } |
| } |
| } else if (sourceRecord != null) { |
| final TaskRecord sourceTask = sourceRecord.task; |
| if (mSupervisor.isLockTaskModeViolation(sourceTask)) { |
| Slog.e(TAG, "Attempted Lock Task Mode violation r=" + r); |
| return ActivityManager.START_RETURN_LOCK_TASK_MODE_VIOLATION; |
| } |
| targetStack = null; |
| if (sourceTask.stack.topTask() != sourceTask) { |
| // We only want to allow changing stack if the target task is not the top one, |
| // otherwise we would move the launching task to the other side, rather than show |
| // two side by side. |
| targetStack = getLaunchToSideStack(r, launchFlags, r.task); |
| } |
| if (targetStack == null) { |
| targetStack = sourceTask.stack; |
| } else if (targetStack != sourceTask.stack) { |
| mSupervisor.moveTaskToStackLocked(sourceTask.taskId, targetStack.mStackId, |
| ON_TOP, FORCE_FOCUS, "launchToSide", !ANIMATE); |
| } |
| if (doResume) { |
| targetStack.moveToFront("sourceStackToFront"); |
| } |
| final TaskRecord topTask = targetStack.topTask(); |
| if (topTask != sourceTask) { |
| targetStack.moveTaskToFrontLocked(sourceTask, noAnimation, options, |
| r.appTimeTracker, "sourceTaskToFront"); |
| } |
| if (!addingToTask && (launchFlags&Intent.FLAG_ACTIVITY_CLEAR_TOP) != 0) { |
| // In this case, we are adding the activity to an existing |
| // task, but the caller has asked to clear that task if the |
| // activity is already running. |
| ActivityRecord top = sourceTask.performClearTaskLocked(r, launchFlags); |
| keepCurTransition = true; |
| if (top != null) { |
| ActivityStack.logStartActivity(EventLogTags.AM_NEW_INTENT, r, top.task); |
| top.deliverNewIntentLocked(callingUid, r.intent, r.launchedFromPackage); |
| // For paranoia, make sure we have correctly |
| // resumed the top activity. |
| targetStack.mLastPausedActivity = null; |
| if (doResume) { |
| targetStack.resumeTopActivityLocked(null); |
| } |
| ActivityOptions.abort(options); |
| return ActivityManager.START_DELIVERED_TO_TOP; |
| } |
| } else if (!addingToTask && |
| (launchFlags&Intent.FLAG_ACTIVITY_REORDER_TO_FRONT) != 0) { |
| // In this case, we are launching an activity in our own task |
| // that may already be running somewhere in the history, and |
| // we want to shuffle it to the front of the stack if so. |
| final ActivityRecord top = sourceTask.findActivityInHistoryLocked(r); |
| if (top != null) { |
| final TaskRecord task = top.task; |
| task.moveActivityToFrontLocked(top); |
| ActivityStack.logStartActivity(EventLogTags.AM_NEW_INTENT, r, task); |
| top.updateOptionsLocked(options); |
| top.deliverNewIntentLocked(callingUid, r.intent, r.launchedFromPackage); |
| targetStack.mLastPausedActivity = null; |
| if (doResume) { |
| targetStack.resumeTopActivityLocked(null); |
| } |
| return ActivityManager.START_DELIVERED_TO_TOP; |
| } |
| } |
| // An existing activity is starting this new activity, so we want |
| // to keep the new one in the same task as the one that is starting |
| // it. |
| r.setTask(sourceTask, null); |
| if (DEBUG_TASKS) Slog.v(TAG_TASKS, "Starting new activity " + r |
| + " in existing task " + r.task + " from source " + sourceRecord); |
| |
| } else if (inTask != null) { |
| // The caller is asking that the new activity be started in an explicit |
| // task it has provided to us. |
| if (mSupervisor.isLockTaskModeViolation(inTask)) { |
| Slog.e(TAG, "Attempted Lock Task Mode violation r=" + r); |
| return ActivityManager.START_RETURN_LOCK_TASK_MODE_VIOLATION; |
| } |
| if (overrideBounds) { |
| inTask.updateOverrideConfiguration(newBounds); |
| int stackId = inTask.getLaunchStackId(); |
| if (stackId != inTask.stack.mStackId) { |
| mSupervisor.moveTaskToStackUncheckedLocked( |
| inTask, stackId, ON_TOP, !FORCE_FOCUS, "inTaskToFront"); |
| } |
| } |
| targetStack = inTask.stack; |
| targetStack.moveTaskToFrontLocked(inTask, noAnimation, options, r.appTimeTracker, |
| "inTaskToFront"); |
| |
| // Check whether we should actually launch the new activity in to the task, |
| // or just reuse the current activity on top. |
| ActivityRecord top = inTask.getTopActivity(); |
| if (top != null && top.realActivity.equals(r.realActivity) && top.userId == r.userId) { |
| if ((launchFlags & Intent.FLAG_ACTIVITY_SINGLE_TOP) != 0 |
| || launchSingleTop || launchSingleTask) { |
| ActivityStack.logStartActivity(EventLogTags.AM_NEW_INTENT, top, top.task); |
| if ((startFlags&ActivityManager.START_FLAG_ONLY_IF_NEEDED) != 0) { |
| // We don't need to start a new activity, and |
| // the client said not to do anything if that |
| // is the case, so this is it! |
| return ActivityManager.START_RETURN_INTENT_TO_CALLER; |
| } |
| top.deliverNewIntentLocked(callingUid, r.intent, r.launchedFromPackage); |
| return ActivityManager.START_DELIVERED_TO_TOP; |
| } |
| } |
| |
| if (!addingToTask) { |
| // We don't actually want to have this activity added to the task, so just |
| // stop here but still tell the caller that we consumed the intent. |
| ActivityOptions.abort(options); |
| return ActivityManager.START_TASK_TO_FRONT; |
| } |
| |
| r.setTask(inTask, null); |
| if (DEBUG_TASKS) Slog.v(TAG_TASKS, "Starting new activity " + r |
| + " in explicit task " + r.task); |
| |
| } else { |
| // This not being started from an existing activity, and not part |
| // of a new task... just put it in the top task, though these days |
| // this case should never happen. |
| targetStack = computeStackFocus(r, newTask, null /* bounds */, launchFlags); |
| if (doResume) { |
| targetStack.moveToFront("addingToTopTask"); |
| } |
| ActivityRecord prev = targetStack.topActivity(); |
| r.setTask(prev != null ? prev.task : targetStack.createTaskRecord( |
| mSupervisor.getNextTaskId(), r.info, intent, null, null, true), null); |
| mWindowManager.moveTaskToTop(r.task.taskId); |
| if (DEBUG_TASKS) Slog.v(TAG_TASKS, "Starting new activity " + r |
| + " in new guessed " + r.task); |
| } |
| |
| mService.grantUriPermissionFromIntentLocked(callingUid, r.packageName, |
| intent, r.getUriPermissionsLocked(), r.userId); |
| |
| if (sourceRecord != null && sourceRecord.isRecentsActivity()) { |
| r.task.setTaskToReturnTo(RECENTS_ACTIVITY_TYPE); |
| } |
| if (newTask) { |
| EventLog.writeEvent(EventLogTags.AM_CREATE_TASK, r.userId, r.task.taskId); |
| } |
| ActivityStack.logStartActivity(EventLogTags.AM_CREATE_ACTIVITY, r, r.task); |
| targetStack.mLastPausedActivity = null; |
| targetStack.startActivityLocked(r, newTask, keepCurTransition, options); |
| if (doResume) { |
| if (!launchTaskBehind) { |
| mService.setFocusedActivityLocked(r, "startedActivity"); |
| } |
| mSupervisor.resumeTopActivitiesLocked(targetStack, r, options); |
| } else { |
| targetStack.addRecentActivityLocked(r); |
| } |
| mSupervisor.updateUserStackLocked(r.userId, targetStack); |
| |
| if (!r.task.mResizeable && mSupervisor.isStackDockedInEffect(targetStack.mStackId)) { |
| mSupervisor.showNonResizeableDockToast(r.task.taskId); |
| } |
| |
| return ActivityManager.START_SUCCESS; |
| } |
| |
| private int adjustLaunchFlagsToDocumentMode(ActivityRecord r, boolean launchSingleInstance, |
| boolean launchSingleTask, int launchFlags) { |
| if ((launchFlags & Intent.FLAG_ACTIVITY_NEW_DOCUMENT) != 0 && |
| (launchSingleInstance || launchSingleTask)) { |
| // We have a conflict between the Intent and the Activity manifest, manifest wins. |
| Slog.i(TAG, "Ignoring FLAG_ACTIVITY_NEW_DOCUMENT, launchMode is " + |
| "\"singleInstance\" or \"singleTask\""); |
| launchFlags &= |
| ~(Intent.FLAG_ACTIVITY_NEW_DOCUMENT | FLAG_ACTIVITY_MULTIPLE_TASK); |
| } else { |
| switch (r.info.documentLaunchMode) { |
| case ActivityInfo.DOCUMENT_LAUNCH_NONE: |
| break; |
| case ActivityInfo.DOCUMENT_LAUNCH_INTO_EXISTING: |
| launchFlags |= Intent.FLAG_ACTIVITY_NEW_DOCUMENT; |
| break; |
| case ActivityInfo.DOCUMENT_LAUNCH_ALWAYS: |
| launchFlags |= Intent.FLAG_ACTIVITY_NEW_DOCUMENT; |
| break; |
| case ActivityInfo.DOCUMENT_LAUNCH_NEVER: |
| launchFlags &= ~FLAG_ACTIVITY_MULTIPLE_TASK; |
| break; |
| } |
| } |
| return launchFlags; |
| } |
| |
| final int startActivities(IApplicationThread caller, int callingUid, String callingPackage, |
| Intent[] intents, String[] resolvedTypes, IBinder resultTo, |
| Bundle bOptions, int userId) { |
| if (intents == null) { |
| throw new NullPointerException("intents is null"); |
| } |
| if (resolvedTypes == null) { |
| throw new NullPointerException("resolvedTypes is null"); |
| } |
| if (intents.length != resolvedTypes.length) { |
| throw new IllegalArgumentException("intents are length different than resolvedTypes"); |
| } |
| |
| |
| int callingPid; |
| if (callingUid >= 0) { |
| callingPid = -1; |
| } else if (caller == null) { |
| callingPid = Binder.getCallingPid(); |
| callingUid = Binder.getCallingUid(); |
| } else { |
| callingPid = callingUid = -1; |
| } |
| final long origId = Binder.clearCallingIdentity(); |
| try { |
| synchronized (mService) { |
| ActivityRecord[] outActivity = new ActivityRecord[1]; |
| for (int i=0; i<intents.length; i++) { |
| Intent intent = intents[i]; |
| if (intent == null) { |
| continue; |
| } |
| |
| // Refuse possible leaked file descriptors |
| if (intent != null && intent.hasFileDescriptors()) { |
| throw new IllegalArgumentException("File descriptors passed in Intent"); |
| } |
| |
| boolean componentSpecified = intent.getComponent() != null; |
| |
| // Don't modify the client's object! |
| intent = new Intent(intent); |
| |
| // Collect information about the target of the Intent. |
| ActivityInfo aInfo = mSupervisor.resolveActivity(intent, resolvedTypes[i], 0, |
| null, userId); |
| // TODO: New, check if this is correct |
| aInfo = mService.getActivityInfoForUser(aInfo, userId); |
| |
| if (aInfo != null && |
| (aInfo.applicationInfo.privateFlags |
| & ApplicationInfo.PRIVATE_FLAG_CANT_SAVE_STATE) != 0) { |
| throw new IllegalArgumentException( |
| "FLAG_CANT_SAVE_STATE not supported here"); |
| } |
| |
| ActivityOptions options = ActivityOptions.fromBundle( |
| i == intents.length - 1 ? bOptions : null); |
| int res = startActivityLocked(caller, intent, null /*ephemeralIntent*/, |
| resolvedTypes[i], aInfo, null /*rInfo*/, null, null, resultTo, null, -1, |
| callingPid, callingUid, callingPackage, callingPid, callingUid, 0, |
| options, false, componentSpecified, outActivity, null, null); |
| if (res < 0) { |
| return res; |
| } |
| |
| resultTo = outActivity[0] != null ? outActivity[0].appToken : null; |
| } |
| } |
| } finally { |
| Binder.restoreCallingIdentity(origId); |
| } |
| |
| return ActivityManager.START_SUCCESS; |
| } |
| |
| final void doPendingActivityLaunchesLocked(boolean doResume) { |
| while (!mPendingActivityLaunches.isEmpty()) { |
| PendingActivityLaunch pal = mPendingActivityLaunches.remove(0); |
| |
| try { |
| startActivityUncheckedLocked(pal.r, pal.sourceRecord, null, null, |
| pal.startFlags, doResume && mPendingActivityLaunches.isEmpty(), |
| null, null); |
| } catch (Exception e) { |
| Slog.e(TAG, "Exception during pending activity launch pal=" + pal, e); |
| pal.sendErrorResult(e.getMessage()); |
| } |
| } |
| } |
| |
| private ActivityStack computeStackFocus(ActivityRecord r, boolean newTask, Rect bounds, |
| int launchFlags) { |
| final TaskRecord task = r.task; |
| if (!(r.isApplicationActivity() || (task != null && task.isApplicationTask()))) { |
| return mSupervisor.mHomeStack; |
| } |
| |
| ActivityStack stack = getLaunchToSideStack(r, launchFlags, task); |
| if (stack != null) { |
| return stack; |
| } |
| |
| if (task != null && task.stack != null) { |
| stack = task.stack; |
| if (stack.isOnHomeDisplay()) { |
| if (mSupervisor.mFocusedStack != stack) { |
| if (DEBUG_FOCUS || DEBUG_STACK) Slog.d(TAG_FOCUS, |
| "computeStackFocus: Setting " + "focused stack to r=" + r |
| + " task=" + task); |
| } else { |
| if (DEBUG_FOCUS || DEBUG_STACK) Slog.d(TAG_FOCUS, |
| "computeStackFocus: Focused stack already=" |
| + mSupervisor.mFocusedStack); |
| } |
| } |
| return stack; |
| } |
| |
| final ActivityStackSupervisor.ActivityContainer container = r.mInitialActivityContainer; |
| if (container != null) { |
| // The first time put it on the desired stack, after this put on task stack. |
| r.mInitialActivityContainer = null; |
| return container.mStack; |
| } |
| |
| // The fullscreen stack can contain any task regardless of if the task is resizeable |
| // or not. So, we let the task go in the fullscreen task if it is the focus stack. |
| // If the freeform or docked stack has focus, and the activity to be launched is resizeable, |
| // we can also put it in the focused stack. |
| final int focusedStackId = mSupervisor.mFocusedStack.mStackId; |
| final boolean canUseFocusedStack = |
| focusedStackId == FULLSCREEN_WORKSPACE_STACK_ID |
| || focusedStackId == DOCKED_STACK_ID |
| || (focusedStackId == FREEFORM_WORKSPACE_STACK_ID && r.info.resizeable); |
| if (canUseFocusedStack && (!newTask |
| || mSupervisor.mFocusedStack.mActivityContainer.isEligibleForNewTasks())) { |
| if (DEBUG_FOCUS || DEBUG_STACK) Slog.d(TAG_FOCUS, |
| "computeStackFocus: Have a focused stack=" + mSupervisor.mFocusedStack); |
| return mSupervisor.mFocusedStack; |
| } |
| |
| // We first try to put the task in the first dynamic stack. |
| final ArrayList<ActivityStack> homeDisplayStacks = mSupervisor.mHomeStack.mStacks; |
| for (int stackNdx = homeDisplayStacks.size() - 1; stackNdx >= 0; --stackNdx) { |
| stack = homeDisplayStacks.get(stackNdx); |
| if (!ActivityManager.StackId.isStaticStack(stack.mStackId)) { |
| if (DEBUG_FOCUS || DEBUG_STACK) Slog.d(TAG_FOCUS, |
| "computeStackFocus: Setting focused stack=" + stack); |
| return stack; |
| } |
| } |
| |
| // If there is no suitable dynamic stack then we figure out which static stack to use. |
| final int stackId = task != null ? task.getLaunchStackId() : |
| bounds != null ? FREEFORM_WORKSPACE_STACK_ID : |
| FULLSCREEN_WORKSPACE_STACK_ID; |
| stack = mSupervisor.getStack(stackId, CREATE_IF_NEEDED, ON_TOP); |
| if (DEBUG_FOCUS || DEBUG_STACK) Slog.d(TAG_FOCUS, "computeStackFocus: New stack r=" |
| + r + " stackId=" + stack.mStackId); |
| return stack; |
| } |
| |
| private ActivityStack getLaunchToSideStack(ActivityRecord r, int launchFlags, TaskRecord task) { |
| if ((launchFlags & FLAG_ACTIVITY_LAUNCH_TO_SIDE) == 0) { |
| return null; |
| } |
| // The parent activity doesn't want to launch the activity on top of itself, but |
| // instead tries to put it onto other side in side-by-side mode. |
| final ActivityStack parentStack = task != null ? task.stack |
| : r.mInitialActivityContainer != null ? r.mInitialActivityContainer.mStack |
| : mSupervisor.mFocusedStack; |
| if (parentStack != null && parentStack.mStackId == DOCKED_STACK_ID) { |
| // If parent was in docked stack, the natural place to launch another activity |
| // will be fullscreen, so it can appear alongside the docked window. |
| return mSupervisor.getStack(FULLSCREEN_WORKSPACE_STACK_ID, CREATE_IF_NEEDED, ON_TOP); |
| } else { |
| // If the parent is not in the docked stack, we check if there is docked window |
| // and if yes, we will launch into that stack. If not, we just put the new |
| // activity into parent's stack, because we can't find a better place. |
| final ActivityStack stack = mSupervisor.getStack(DOCKED_STACK_ID); |
| if (stack != null && !stack.isStackVisibleLocked()) { |
| // There is a docked stack, but it isn't visible, so we can't launch into that. |
| return null; |
| } else { |
| return stack; |
| } |
| } |
| } |
| |
| /** |
| * Decide whether the new activity should be inserted into an existing task. Returns null if not |
| * or an ActivityRecord with the task into which the new activity should be added. |
| */ |
| private ActivityRecord getReusableIntentActivity(ActivityRecord r, TaskRecord inTask, |
| Intent intent, boolean launchSingleInstance, boolean launchSingleTask, |
| int launchFlags) { |
| // We may want to try to place the new activity in to an existing task. We always |
| // do this if the target activity is singleTask or singleInstance; we will also do |
| // this if NEW_TASK has been requested, and there is not an additional qualifier telling |
| // us to still place it in a new task: multi task, always doc mode, or being asked to |
| // launch this as a new task behind the current one. |
| boolean putIntoExistingTask = ((launchFlags & FLAG_ACTIVITY_NEW_TASK) != 0 && |
| (launchFlags & FLAG_ACTIVITY_MULTIPLE_TASK) == 0) |
| || launchSingleInstance || launchSingleTask; |
| // If bring to front is requested, and no result is requested and we have not |
| // been given an explicit task to launch in to, and |
| // we can find a task that was started with this same |
| // component, then instead of launching bring that one to the front. |
| putIntoExistingTask &= inTask == null && r.resultTo == null; |
| ActivityRecord intentActivity = null; |
| if (putIntoExistingTask) { |
| // See if there is a task to bring to the front. If this is |
| // a SINGLE_INSTANCE activity, there can be one and only one |
| // instance of it in the history, and it is always in its own |
| // unique task, so we do a special search. |
| intentActivity = launchSingleInstance ? mSupervisor.findActivityLocked(intent, r.info) |
| : mSupervisor.findTaskLocked(r); |
| } |
| return intentActivity; |
| } |
| |
| void setWindowManager(WindowManagerService wm) { |
| mWindowManager = wm; |
| } |
| |
| void removePendingActivityLaunchesLocked(ActivityStack stack) { |
| for (int palNdx = mPendingActivityLaunches.size() - 1; palNdx >= 0; --palNdx) { |
| PendingActivityLaunch pal = mPendingActivityLaunches.get(palNdx); |
| if (pal.stack == stack) { |
| mPendingActivityLaunches.remove(palNdx); |
| } |
| } |
| } |
| } |