Merge "Added StackId object for checking what features a stack supports"
diff --git a/cmds/am/src/com/android/commands/am/Am.java b/cmds/am/src/com/android/commands/am/Am.java
index 12780a8..7f33cb5 100644
--- a/cmds/am/src/com/android/commands/am/Am.java
+++ b/cmds/am/src/com/android/commands/am/Am.java
@@ -18,7 +18,7 @@
package com.android.commands.am;
-import static android.app.ActivityManager.DOCKED_STACK_ID;
+import static android.app.ActivityManager.StackId.DOCKED_STACK_ID;
import static android.app.ActivityManager.RESIZE_MODE_SYSTEM;
import static android.app.ActivityManager.RESIZE_MODE_USER;
diff --git a/core/java/android/app/Activity.java b/core/java/android/app/Activity.java
index 2f0849f..472d97f 100644
--- a/core/java/android/app/Activity.java
+++ b/core/java/android/app/Activity.java
@@ -2728,8 +2728,8 @@
/**
* Called to move the window and its activity/task to a different stack container.
* For example, a window can move between
- * {@link android.app.ActivityManager#FULLSCREEN_WORKSPACE_STACK_ID} stack and
- * {@link android.app.ActivityManager#FREEFORM_WORKSPACE_STACK_ID} stack.
+ * {@link android.app.ActivityManager.StackId#FULLSCREEN_WORKSPACE_STACK_ID} stack and
+ * {@link android.app.ActivityManager.StackId#FREEFORM_WORKSPACE_STACK_ID} stack.
*
* @param stackId stack Id to change to.
* @hide
diff --git a/core/java/android/app/ActivityManager.java b/core/java/android/app/ActivityManager.java
index 203f342..b809baa 100644
--- a/core/java/android/app/ActivityManager.java
+++ b/core/java/android/app/ActivityManager.java
@@ -73,7 +73,6 @@
*/
public class ActivityManager {
private static String TAG = "ActivityManager";
- private static boolean localLOGV = false;
private static int gMaxRecentTasks = -1;
@@ -397,60 +396,112 @@
*/
public static final int COMPAT_MODE_TOGGLE = 2;
- /**
- * Invalid stack ID.
- * @hide
- */
- public static final int INVALID_STACK_ID = -1;
+ /** @hide */
+ public static class StackId {
+ /** Invalid stack ID. */
+ public static final int INVALID_STACK_ID = -1;
- /**
- * First static stack ID.
- * @hide
- */
- public static final int FIRST_STATIC_STACK_ID = 0;
+ /** First static stack ID. */
+ public static final int FIRST_STATIC_STACK_ID = 0;
- /**
- * Home activity stack ID.
- * @hide
- */
- public static final int HOME_STACK_ID = FIRST_STATIC_STACK_ID;
+ /** 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.
- * @hide
- */
- public static final int FULLSCREEN_WORKSPACE_STACK_ID = 1;
+ /** 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.
- * @hide
- */
- public static final int FREEFORM_WORKSPACE_STACK_ID = 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.
- * @hide
- */
- public static final int DOCKED_STACK_ID = FREEFORM_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.
- * Mainly used for this in Picture-in-Picture mode.
- * @hide
- */
- public static final int PINNED_STACK_ID = DOCKED_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.
- * @hide
- */
- public static final int LAST_STATIC_STACK_ID = PINNED_STACK_ID;
+ /** 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.
- * @hide
- */
- public static final int FIRST_DYNAMIC_STACK_ID = LAST_STATIC_STACK_ID + 1;
+ /** 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 isStaticStack(stackId) &&
+ stackId != DOCKED_STACK_ID && stackId != PINNED_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 this stack should be preserved so
+ * there isn't a display gap.
+ */
+ public static boolean preserveWindowOnTaskMove(int stackId) {
+ return stackId == FULLSCREEN_WORKSPACE_STACK_ID
+ || stackId == DOCKED_STACK_ID || stackId == PINNED_STACK_ID;
+ }
+ }
/**
* Input parameter to {@link android.app.IActivityManager#moveTaskToDockedStack} which
diff --git a/core/java/android/view/Window.java b/core/java/android/view/Window.java
index 5d11c8b..8259372 100644
--- a/core/java/android/view/Window.java
+++ b/core/java/android/view/Window.java
@@ -552,8 +552,8 @@
/**
* Called to move the window and its activity/task to a different stack container.
* For example, a window can move between
- * {@link android.app.ActivityManager#FULLSCREEN_WORKSPACE_STACK_ID} stack and
- * {@link android.app.ActivityManager#FREEFORM_WORKSPACE_STACK_ID} stack.
+ * {@link android.app.ActivityManager.StackId#FULLSCREEN_WORKSPACE_STACK_ID} stack and
+ * {@link android.app.ActivityManager.StackId#FREEFORM_WORKSPACE_STACK_ID} stack.
*
* @param stackId stack Id to change to.
*/
diff --git a/core/java/com/android/internal/policy/PhoneWindow.java b/core/java/com/android/internal/policy/PhoneWindow.java
index b3bd46d..1bce585 100644
--- a/core/java/com/android/internal/policy/PhoneWindow.java
+++ b/core/java/com/android/internal/policy/PhoneWindow.java
@@ -16,11 +16,8 @@
package com.android.internal.policy;
-import static android.app.ActivityManager.FIRST_DYNAMIC_STACK_ID;
-import static android.app.ActivityManager.FREEFORM_WORKSPACE_STACK_ID;
-import static android.app.ActivityManager.FULLSCREEN_WORKSPACE_STACK_ID;
-import static android.app.ActivityManager.INVALID_STACK_ID;
-import static android.app.ActivityManager.PINNED_STACK_ID;
+import static android.app.ActivityManager.StackId.FULLSCREEN_WORKSPACE_STACK_ID;
+import static android.app.ActivityManager.StackId.INVALID_STACK_ID;
import static android.view.View.MeasureSpec.AT_MOST;
import static android.view.View.MeasureSpec.EXACTLY;
import static android.view.View.MeasureSpec.getMode;
@@ -30,6 +27,7 @@
import android.animation.Animator;
import android.animation.ObjectAnimator;
+import android.app.ActivityManager.StackId;
import android.app.ActivityManagerNative;
import android.app.SearchManager;
import android.os.Build;
@@ -737,9 +735,9 @@
if (mWorkspaceId != workspaceId) {
mWorkspaceId = workspaceId;
// We might have to change the kind of surface before we do anything else.
- mNonClientDecorView.phoneWindowUpdated(hasNonClientDecor(mWorkspaceId),
- nonClientDecorHasShadow(mWorkspaceId));
- mDecor.enableNonClientDecor(hasNonClientDecor(workspaceId));
+ mNonClientDecorView.phoneWindowUpdated(StackId.hasWindowDecor(mWorkspaceId),
+ StackId.hasWindowShadow(mWorkspaceId));
+ mDecor.enableNonClientDecor(StackId.hasWindowDecor(workspaceId));
}
}
}
@@ -3735,7 +3733,7 @@
* @return Returns true when the window has a shadow created by the non client decor.
**/
private boolean windowHasShadow() {
- return windowHasNonClientDecor() && nonClientDecorHasShadow(mWindow.mWorkspaceId);
+ return windowHasNonClientDecor() && StackId.hasWindowShadow(mWindow.mWorkspaceId);
}
void setWindow(PhoneWindow phoneWindow) {
@@ -4234,7 +4232,7 @@
mWorkspaceId = getWorkspaceId();
// Only a non floating application window on one of the allowed workspaces can get a non
// client decor.
- if (!isFloating() && isApplication && mWorkspaceId < FIRST_DYNAMIC_STACK_ID) {
+ if (!isFloating() && isApplication && StackId.isStaticStack(mWorkspaceId)) {
// Dependent on the brightness of the used title we either use the
// dark or the light button frame.
if (nonClientDecorView == null) {
@@ -4250,12 +4248,13 @@
R.layout.non_client_decor_light, null);
}
}
- nonClientDecorView.setPhoneWindow(this, hasNonClientDecor(mWorkspaceId),
- nonClientDecorHasShadow(mWorkspaceId), getResizingBackgroundDrawable(),
+ nonClientDecorView.setPhoneWindow(this, StackId.hasWindowDecor(mWorkspaceId),
+ StackId.hasWindowShadow(mWorkspaceId), getResizingBackgroundDrawable(),
mDecor.getContext().getDrawable(R.drawable.non_client_decor_title_focused));
}
// Tell the decor if it has a visible non client decor.
- mDecor.enableNonClientDecor(nonClientDecorView != null && hasNonClientDecor(mWorkspaceId));
+ mDecor.enableNonClientDecor(
+ nonClientDecorView != null&& StackId.hasWindowDecor(mWorkspaceId));
return nonClientDecorView;
}
@@ -5428,24 +5427,6 @@
return workspaceId;
}
- /**
- * Determines if the window should show a non client decor for the workspace it is in.
- * @param workspaceId The Id of the workspace which contains this window.
- * @Return Returns true if the window should show a non client decor.
- **/
- private static boolean hasNonClientDecor(int workspaceId) {
- return workspaceId == FREEFORM_WORKSPACE_STACK_ID;
- }
-
- /**
- * Determines if the window should show a shadow or not, dependent on the workspace.
- * @param workspaceId The Id of the workspace which contains this window.
- * @Return Returns true if the window should show a shadow.
- **/
- private static boolean nonClientDecorHasShadow(int workspaceId) {
- return workspaceId == FREEFORM_WORKSPACE_STACK_ID || workspaceId == PINNED_STACK_ID;
- }
-
@Override
public void setTheme(int resid) {
mTheme = resid;
diff --git a/core/java/com/android/internal/widget/NonClientDecorView.java b/core/java/com/android/internal/widget/NonClientDecorView.java
index be9be11..de542b1 100644
--- a/core/java/com/android/internal/widget/NonClientDecorView.java
+++ b/core/java/com/android/internal/widget/NonClientDecorView.java
@@ -16,8 +16,9 @@
package com.android.internal.widget;
+import static android.app.ActivityManager.StackId.FULLSCREEN_WORKSPACE_STACK_ID;
+
import android.content.Context;
-import android.graphics.Color;
import android.graphics.Rect;
import android.graphics.drawable.Drawable;
import android.os.Looper;
@@ -332,8 +333,7 @@
Window.WindowControllerCallback callback = mOwner.getWindowControllerCallback();
if (callback != null) {
try {
- callback.changeWindowStack(
- android.app.ActivityManager.FULLSCREEN_WORKSPACE_STACK_ID);
+ callback.changeWindowStack(FULLSCREEN_WORKSPACE_STACK_ID);
} catch (RemoteException ex) {
Log.e(TAG, "Cannot change task workspace.");
}
diff --git a/packages/SystemUI/src/com/android/systemui/recents/RecentsImpl.java b/packages/SystemUI/src/com/android/systemui/recents/RecentsImpl.java
index 243c0e1..0e11f02 100644
--- a/packages/SystemUI/src/com/android/systemui/recents/RecentsImpl.java
+++ b/packages/SystemUI/src/com/android/systemui/recents/RecentsImpl.java
@@ -16,7 +16,7 @@
package com.android.systemui.recents;
-import static android.app.ActivityManager.FREEFORM_WORKSPACE_STACK_ID;
+import static android.app.ActivityManager.StackId.FREEFORM_WORKSPACE_STACK_ID;
import android.app.ActivityManager;
import android.app.ActivityOptions;
diff --git a/packages/SystemUI/src/com/android/systemui/recents/RecentsResizeTaskDialog.java b/packages/SystemUI/src/com/android/systemui/recents/RecentsResizeTaskDialog.java
index 28299d3..d415845 100644
--- a/packages/SystemUI/src/com/android/systemui/recents/RecentsResizeTaskDialog.java
+++ b/packages/SystemUI/src/com/android/systemui/recents/RecentsResizeTaskDialog.java
@@ -33,8 +33,8 @@
import com.android.systemui.recents.model.Task;
import com.android.systemui.recents.views.RecentsView;
-import static android.app.ActivityManager.DOCKED_STACK_ID;
-import static android.app.ActivityManager.FREEFORM_WORKSPACE_STACK_ID;
+import static android.app.ActivityManager.StackId.DOCKED_STACK_ID;
+import static android.app.ActivityManager.StackId.FREEFORM_WORKSPACE_STACK_ID;
/**
* A helper for the dialogs that show when task debugging is on.
diff --git a/packages/SystemUI/src/com/android/systemui/recents/misc/SystemServicesProxy.java b/packages/SystemUI/src/com/android/systemui/recents/misc/SystemServicesProxy.java
index 81a949d..bdd3440 100644
--- a/packages/SystemUI/src/com/android/systemui/recents/misc/SystemServicesProxy.java
+++ b/packages/SystemUI/src/com/android/systemui/recents/misc/SystemServicesProxy.java
@@ -72,8 +72,10 @@
import java.util.List;
import java.util.Random;
-import static android.app.ActivityManager.DOCKED_STACK_ID;
-import static android.app.ActivityManager.INVALID_STACK_ID;
+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.HOME_STACK_ID;
+import static android.app.ActivityManager.StackId.INVALID_STACK_ID;
/**
* Acts as a shim around the real system services that we need to access data from, and provides
@@ -311,14 +313,14 @@
* Returns whether the given stack id is the home stack id.
*/
public static boolean isHomeStack(int stackId) {
- return stackId == ActivityManager.HOME_STACK_ID;
+ return stackId == HOME_STACK_ID;
}
/**
* Returns whether the given stack id is the freeform workspace stack id.
*/
public static boolean isFreeformStack(int stackId) {
- return stackId == ActivityManager.FREEFORM_WORKSPACE_STACK_ID;
+ return stackId == FREEFORM_WORKSPACE_STACK_ID;
}
/**
@@ -728,7 +730,7 @@
try {
// Use the home stack bounds
- ActivityManager.StackInfo stackInfo = mIam.getStackInfo(ActivityManager.HOME_STACK_ID);
+ ActivityManager.StackInfo stackInfo = mIam.getStackInfo(HOME_STACK_ID);
if (stackInfo != null) {
windowRect.set(stackInfo.bounds);
}
diff --git a/packages/SystemUI/src/com/android/systemui/recents/views/RecentsView.java b/packages/SystemUI/src/com/android/systemui/recents/views/RecentsView.java
index a5b7aaf..d72e50e 100644
--- a/packages/SystemUI/src/com/android/systemui/recents/views/RecentsView.java
+++ b/packages/SystemUI/src/com/android/systemui/recents/views/RecentsView.java
@@ -61,7 +61,9 @@
import java.util.ArrayList;
import java.util.List;
-import static android.app.ActivityManager.INVALID_STACK_ID;
+import static android.app.ActivityManager.StackId.FULLSCREEN_WORKSPACE_STACK_ID;
+import static android.app.ActivityManager.StackId.FREEFORM_WORKSPACE_STACK_ID;
+import static android.app.ActivityManager.StackId.INVALID_STACK_ID;
/**
* This view is the the top level layout that contains TaskStacks (which are laid out according
@@ -489,14 +491,14 @@
int destinationStack) {
final int targetStackId = destinationStack != INVALID_STACK_ID ?
destinationStack : clickedTask.getTask().key.stackId;
- if (targetStackId != ActivityManager.FREEFORM_WORKSPACE_STACK_ID
- && targetStackId != ActivityManager.FULLSCREEN_WORKSPACE_STACK_ID) {
+ if (targetStackId != FREEFORM_WORKSPACE_STACK_ID
+ && targetStackId != FULLSCREEN_WORKSPACE_STACK_ID) {
return null;
}
// If this is a full screen stack, the transition will be towards the single, full screen
// task. We only need the transition spec for this task.
List<AppTransitionAnimationSpec> specs = new ArrayList<>();
- if (targetStackId == ActivityManager.FULLSCREEN_WORKSPACE_STACK_ID) {
+ if (targetStackId == FULLSCREEN_WORKSPACE_STACK_ID) {
specs.add(createThumbnailHeaderAnimationSpec(
stackView, offsetX, offsetY, stackScroll, clickedTask,
clickedTask.getTask().key.id, ADD_HEADER_BITMAP));
diff --git a/packages/SystemUI/src/com/android/systemui/recents/views/TaskStackView.java b/packages/SystemUI/src/com/android/systemui/recents/views/TaskStackView.java
index b266eaa..e7f07f7 100644
--- a/packages/SystemUI/src/com/android/systemui/recents/views/TaskStackView.java
+++ b/packages/SystemUI/src/com/android/systemui/recents/views/TaskStackView.java
@@ -58,7 +58,7 @@
import java.util.Iterator;
import java.util.List;
-import static android.app.ActivityManager.INVALID_STACK_ID;
+import static android.app.ActivityManager.StackId.INVALID_STACK_ID;
/* The visual representation of a task stack view */
diff --git a/packages/SystemUI/src/com/android/systemui/statusbar/phone/NavigationBarApps.java b/packages/SystemUI/src/com/android/systemui/statusbar/phone/NavigationBarApps.java
index 4ac2c31..a51f62a 100644
--- a/packages/SystemUI/src/com/android/systemui/statusbar/phone/NavigationBarApps.java
+++ b/packages/SystemUI/src/com/android/systemui/statusbar/phone/NavigationBarApps.java
@@ -16,7 +16,7 @@
package com.android.systemui.statusbar.phone;
-import static android.app.ActivityManager.INVALID_STACK_ID;
+import static android.app.ActivityManager.StackId.INVALID_STACK_ID;
import android.animation.LayoutTransition;
import android.annotation.Nullable;
diff --git a/services/core/java/com/android/server/am/ActivityManagerService.java b/services/core/java/com/android/server/am/ActivityManagerService.java
index 2d7298b..9a17f2f 100644
--- a/services/core/java/com/android/server/am/ActivityManagerService.java
+++ b/services/core/java/com/android/server/am/ActivityManagerService.java
@@ -19,12 +19,11 @@
import static android.Manifest.permission.INTERACT_ACROSS_USERS;
import static android.Manifest.permission.INTERACT_ACROSS_USERS_FULL;
import static android.Manifest.permission.START_TASKS_FROM_RECENTS;
-import static android.app.ActivityManager.DOCKED_STACK_ID;
-import static android.app.ActivityManager.FREEFORM_WORKSPACE_STACK_ID;
-import static android.app.ActivityManager.FULLSCREEN_WORKSPACE_STACK_ID;
-import static android.app.ActivityManager.HOME_STACK_ID;
-import static android.app.ActivityManager.INVALID_STACK_ID;
-import static android.app.ActivityManager.PINNED_STACK_ID;
+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.app.ActivityManager.StackId.HOME_STACK_ID;
+import static android.app.ActivityManager.StackId.INVALID_STACK_ID;
import static android.app.ActivityManager.RESIZE_MODE_PRESERVE_WINDOW;
import static android.content.pm.PackageManager.PERMISSION_GRANTED;
import static com.android.internal.util.XmlUtils.readBooleanAttribute;
@@ -47,6 +46,7 @@
import static org.xmlpull.v1.XmlPullParser.START_TAG;
import android.Manifest;
+import android.app.ActivityManager.StackId;
import android.app.AppOpsManager;
import android.app.ApplicationThreadNative;
import android.app.BroadcastOptions;
@@ -8654,12 +8654,9 @@
// - a non-null bounds on a non-freeform (fullscreen OR docked) task moves
// that task to freeform
// - otherwise the task is not moved
- // Note it's not allowed to resize a home, docked, or pinned stack task.
int stackId = task.stack.mStackId;
- if (stackId == HOME_STACK_ID || stackId == DOCKED_STACK_ID
- || stackId == PINNED_STACK_ID) {
- throw new IllegalArgumentException("trying to resizeTask on a "
- + "home or docked task");
+ if (!StackId.isTaskResizeAllowed(stackId)) {
+ throw new IllegalArgumentException("resizeTask not allowed on task=" + task);
}
if (bounds == null && stackId == FREEFORM_WORKSPACE_STACK_ID) {
stackId = FULLSCREEN_WORKSPACE_STACK_ID;
diff --git a/services/core/java/com/android/server/am/ActivityStack.java b/services/core/java/com/android/server/am/ActivityStack.java
index b5f424d..4897eb9 100644
--- a/services/core/java/com/android/server/am/ActivityStack.java
+++ b/services/core/java/com/android/server/am/ActivityStack.java
@@ -16,14 +16,11 @@
package com.android.server.am;
-import static android.app.ActivityManager.DOCKED_STACK_ID;
-import static android.app.ActivityManager.FIRST_STATIC_STACK_ID;
-import static android.app.ActivityManager.FREEFORM_WORKSPACE_STACK_ID;
-import static android.app.ActivityManager.FULLSCREEN_WORKSPACE_STACK_ID;
-import static android.app.ActivityManager.HOME_STACK_ID;
-import static android.app.ActivityManager.INVALID_STACK_ID;
-import static android.app.ActivityManager.LAST_STATIC_STACK_ID;
-import static android.app.ActivityManager.PINNED_STACK_ID;
+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.app.ActivityManager.StackId.HOME_STACK_ID;
+import static android.app.ActivityManager.StackId.PINNED_STACK_ID;
import static android.content.pm.ActivityInfo.FLAG_SHOW_FOR_ALL_USERS;
import static com.android.server.am.ActivityManagerDebugConfig.*;
@@ -49,6 +46,7 @@
import android.app.Activity;
import android.app.ActivityManager;
+import android.app.ActivityManager.StackId;
import android.app.ActivityOptions;
import android.app.AppGlobals;
import android.app.IActivityController;
@@ -255,9 +253,6 @@
private final LaunchingTaskPositioner mTaskPositioner;
- // If the bounds of task contained in this stack should be persisted across power cycles.
- final boolean mPersistTaskBounds;
-
static final int PAUSE_TIMEOUT_MSG = ActivityManagerService.FIRST_ACTIVITY_STACK_MSG + 1;
static final int DESTROY_TIMEOUT_MSG = ActivityManagerService.FIRST_ACTIVITY_STACK_MSG + 2;
static final int LAUNCH_TICK_MSG = ActivityManagerService.FIRST_ACTIVITY_STACK_MSG + 3;
@@ -371,7 +366,6 @@
mRecentTasks = recentTasks;
mTaskPositioner = mStackId == FREEFORM_WORKSPACE_STACK_ID
? new LaunchingTaskPositioner() : null;
- mPersistTaskBounds = mStackId != DOCKED_STACK_ID && mStackId != PINNED_STACK_ID;
}
void attachDisplay(ActivityStackSupervisor.ActivityDisplay activityDisplay, boolean onTop) {
@@ -1365,7 +1359,7 @@
}
}
- if (mStackId >= FIRST_STATIC_STACK_ID && mStackId <= LAST_STATIC_STACK_ID) {
+ if (StackId.isStaticStack(mStackId)) {
// Visibility of any static stack should have been determined by the conditions above.
return false;
}
@@ -1377,9 +1371,7 @@
continue;
}
- if (stack.mStackId == FREEFORM_WORKSPACE_STACK_ID
- || stack.mStackId == HOME_STACK_ID
- || stack.mStackId == FULLSCREEN_WORKSPACE_STACK_ID) {
+ if (!StackId.isDynamicStacksVisibleBehindAllowed(stack.mStackId)) {
// These stacks can't have any dynamic stacks visible behind them.
return false;
}
@@ -2797,8 +2789,7 @@
ActivityRecord next = topRunningActivityLocked();
final String myReason = reason + " adjustFocus";
if (next != r) {
- if (next != null && (mStackId == FREEFORM_WORKSPACE_STACK_ID
- || mStackId == DOCKED_STACK_ID || mStackId == PINNED_STACK_ID)) {
+ if (next != null && StackId.keepFocusInStackIfPossible(mStackId)) {
// For freeform, docked, and pinned stacks we always keep the focus within the
// stack as long as there is a running activity in the stack that we can adjust
// focus to.
diff --git a/services/core/java/com/android/server/am/ActivityStackSupervisor.java b/services/core/java/com/android/server/am/ActivityStackSupervisor.java
index 1cd71a1..7e42dce 100644
--- a/services/core/java/com/android/server/am/ActivityStackSupervisor.java
+++ b/services/core/java/com/android/server/am/ActivityStackSupervisor.java
@@ -18,6 +18,15 @@
import static android.Manifest.permission.START_ANY_ACTIVITY;
import static android.app.ActivityManager.*;
+import static android.app.ActivityManager.StackId.DOCKED_STACK_ID;
+import static android.app.ActivityManager.StackId.FIRST_DYNAMIC_STACK_ID;
+import static android.app.ActivityManager.StackId.FIRST_STATIC_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.app.ActivityManager.StackId.HOME_STACK_ID;
+import static android.app.ActivityManager.StackId.INVALID_STACK_ID;
+import static android.app.ActivityManager.StackId.LAST_STATIC_STACK_ID;
+import static android.app.ActivityManager.StackId.PINNED_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_NEW_TASK;
@@ -40,6 +49,7 @@
import android.Manifest;
import android.app.Activity;
import android.app.ActivityManager;
+import android.app.ActivityManager.StackId;
import android.app.ActivityManager.StackInfo;
import android.app.ActivityOptions;
import android.app.AppGlobals;
@@ -554,8 +564,8 @@
* @param id Id of the task we would like returned.
* @param restoreFromRecents If the id was not in the active list, but was found in recents,
* restore the task from recents to the active list.
- * @param stackId The stack to restore the task to (default launch stack will be used
- * if stackId is {@link android.app.ActivityManager#INVALID_STACK_ID}).
+ * @param stackId The stack to restore the task to (default launch stack will be used if
+ * stackId is {@link android.app.ActivityManager.StackId#INVALID_STACK_ID}).
*/
TaskRecord anyTaskForIdLocked(int id, boolean restoreFromRecents, int stackId) {
int numDisplays = mActivityDisplays.size();
@@ -1820,8 +1830,7 @@
final ArrayList<ActivityStack> homeDisplayStacks = mHomeStack.mStacks;
for (int stackNdx = homeDisplayStacks.size() - 1; stackNdx >= 0; --stackNdx) {
stack = homeDisplayStacks.get(stackNdx);
- final boolean isDynamicStack = stack.mStackId >= FIRST_DYNAMIC_STACK_ID;
- if (isDynamicStack) {
+ if (!StackId.isStaticStack(stack.mStackId)) {
if (DEBUG_FOCUS || DEBUG_STACK) Slog.d(TAG_FOCUS,
"computeStackFocus: Setting focused stack=" + stack);
return stack;
@@ -2899,15 +2908,14 @@
if (activityContainer != null) {
return activityContainer.mStack;
}
- if (!createStaticStackIfNeeded
- || (stackId < FIRST_STATIC_STACK_ID || stackId > LAST_STATIC_STACK_ID)) {
+ if (!createStaticStackIfNeeded || !StackId.isStaticStack(stackId)) {
return null;
}
return createStackOnDisplay(stackId, Display.DEFAULT_DISPLAY, createOnTop);
}
ArrayList<ActivityStack> getStacks() {
- ArrayList<ActivityStack> allStacks = new ArrayList<ActivityStack>();
+ ArrayList<ActivityStack> allStacks = new ArrayList<>();
for (int displayNdx = mActivityDisplays.size() - 1; displayNdx >= 0; --displayNdx) {
allStacks.addAll(mActivityDisplays.valueAt(displayNdx).mStacks);
}
@@ -3025,7 +3033,7 @@
// In this case we make all other static stacks fullscreen and move all
// docked stack tasks to the fullscreen stack.
for (int i = FIRST_STATIC_STACK_ID; i <= LAST_STATIC_STACK_ID; i++) {
- if (i != DOCKED_STACK_ID && getStack(i) != null) {
+ if (StackId.isResizeableByDockedStack(i) && getStack(i) != null) {
resizeStackLocked(i, null, preserveWindows, true);
}
}
@@ -3046,7 +3054,7 @@
mWindowManager.getStackDockedModeBounds(HOME_STACK_ID, tempRect);
for (int i = FIRST_STATIC_STACK_ID; i <= LAST_STATIC_STACK_ID; i++) {
- if (i != DOCKED_STACK_ID) {
+ if (StackId.isResizeableByDockedStack(i)) {
ActivityStack otherStack = getStack(i);
if (otherStack != null) {
resizeStackLocked(i, tempRect, PRESERVE_WINDOWS, true);
@@ -3190,7 +3198,7 @@
* Restores a recent task to a stack
* @param task The recent task to be restored.
* @param stackId The stack to restore the task to (default launch stack will be used
- * if stackId is {@link android.app.ActivityManager#INVALID_STACK_ID}).
+ * if stackId is {@link android.app.ActivityManager.StackId#INVALID_STACK_ID}).
* @return true if the task has been restored successfully.
*/
private boolean restoreRecentTaskLocked(TaskRecord task, int stackId) {
@@ -3275,8 +3283,7 @@
Slog.w(TAG, "moveTaskToStack: no task for id=" + taskId);
return;
}
- if (stackId == DOCKED_STACK_ID || stackId == PINNED_STACK_ID
- || stackId == FULLSCREEN_WORKSPACE_STACK_ID) {
+ if (StackId.preserveWindowOnTaskMove(stackId)) {
// We are about to relaunch the activity because its configuration changed due to
// being maximized, i.e. size change. The activity will first remove the old window
// and then add a new one. This call will tell window manager about this, so it can
diff --git a/services/core/java/com/android/server/am/TaskRecord.java b/services/core/java/com/android/server/am/TaskRecord.java
index 120b40c..5fd213f 100644
--- a/services/core/java/com/android/server/am/TaskRecord.java
+++ b/services/core/java/com/android/server/am/TaskRecord.java
@@ -16,11 +16,9 @@
package com.android.server.am;
-import static android.app.ActivityManager.DOCKED_STACK_ID;
-import static android.app.ActivityManager.FREEFORM_WORKSPACE_STACK_ID;
-import static android.app.ActivityManager.FULLSCREEN_WORKSPACE_STACK_ID;
-import static android.app.ActivityManager.HOME_STACK_ID;
-import static android.app.ActivityManager.PINNED_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.app.ActivityManager.StackId.HOME_STACK_ID;
import static android.content.Intent.FLAG_ACTIVITY_NEW_DOCUMENT;
import static android.content.Intent.FLAG_ACTIVITY_RETAIN_IN_RECENTS;
import static android.content.pm.ActivityInfo.LOCK_TASK_LAUNCH_MODE_ALWAYS;
@@ -35,6 +33,7 @@
import android.app.Activity;
import android.app.ActivityManager;
+import android.app.ActivityManager.StackId;
import android.app.ActivityManager.TaskThumbnail;
import android.app.ActivityManager.TaskDescription;
import android.app.ActivityOptions;
@@ -1193,14 +1192,14 @@
mFullscreen = bounds == null;
if (mFullscreen) {
- if (mBounds != null && stack.mPersistTaskBounds) {
+ if (mBounds != null && StackId.persistTaskBounds(stack.mStackId)) {
mLastNonFullscreenBounds = mBounds;
}
mBounds = null;
mOverrideConfig = Configuration.EMPTY;
} else {
mBounds = new Rect(bounds);
- if (stack == null || stack.mPersistTaskBounds) {
+ if (stack == null || StackId.persistTaskBounds(stack.mStackId)) {
mLastNonFullscreenBounds = mBounds;
}
@@ -1244,7 +1243,7 @@
|| stackId == HOME_STACK_ID
|| stackId == FULLSCREEN_WORKSPACE_STACK_ID) {
return (mResizeable && stack != null) ? stack.mBounds : null;
- } else if (!stack.mPersistTaskBounds) {
+ } else if (!StackId.persistTaskBounds(stackId)) {
return stack.mBounds;
}
return mLastNonFullscreenBounds;
diff --git a/services/core/java/com/android/server/policy/PhoneWindowManager.java b/services/core/java/com/android/server/policy/PhoneWindowManager.java
index b38b9ce..209751e 100644
--- a/services/core/java/com/android/server/policy/PhoneWindowManager.java
+++ b/services/core/java/com/android/server/policy/PhoneWindowManager.java
@@ -16,8 +16,8 @@
package com.android.server.policy;
-import static android.app.ActivityManager.DOCKED_STACK_ID;
-import static android.app.ActivityManager.FREEFORM_WORKSPACE_STACK_ID;
+import static android.app.ActivityManager.StackId.DOCKED_STACK_ID;
+import static android.app.ActivityManager.StackId.FREEFORM_WORKSPACE_STACK_ID;
import static android.view.WindowManager.LayoutParams.*;
import static android.view.WindowManagerPolicy.WindowManagerFuncs.LID_ABSENT;
import static android.view.WindowManagerPolicy.WindowManagerFuncs.LID_OPEN;
diff --git a/services/core/java/com/android/server/wm/DisplayContent.java b/services/core/java/com/android/server/wm/DisplayContent.java
index fab8ee5..d6f807e 100644
--- a/services/core/java/com/android/server/wm/DisplayContent.java
+++ b/services/core/java/com/android/server/wm/DisplayContent.java
@@ -16,14 +16,15 @@
package com.android.server.wm;
-import static android.app.ActivityManager.DOCKED_STACK_ID;
-import static android.app.ActivityManager.HOME_STACK_ID;
-import static android.app.ActivityManager.PINNED_STACK_ID;
+import static android.app.ActivityManager.StackId.DOCKED_STACK_ID;
+import static android.app.ActivityManager.StackId.HOME_STACK_ID;
+import static android.app.ActivityManager.StackId.PINNED_STACK_ID;
import static com.android.server.wm.WindowManagerService.DEBUG_VISIBILITY;
import static com.android.server.wm.WindowManagerService.TAG;
import static com.android.server.wm.WindowState.RESIZE_HANDLE_WIDTH_IN_DP;
import static com.android.server.wm.WindowState.BOUNDS_FOR_TOUCH;
+import android.app.ActivityManager.StackId;
import android.graphics.Rect;
import android.graphics.Region;
import android.util.DisplayMetrics;
@@ -311,7 +312,7 @@
final int delta = mService.dipToPixel(RESIZE_HANDLE_WIDTH_IN_DP, mDisplayMetrics);
for (int stackNdx = mStacks.size() - 1; stackNdx >= 0; --stackNdx) {
TaskStack stack = mStacks.get(stackNdx);
- if (!stack.allowTaskResize()) {
+ if (!StackId.isTaskResizeAllowed(stack.mStackId)) {
break;
}
final ArrayList<Task> tasks = stack.getTasks();
diff --git a/services/core/java/com/android/server/wm/DockedStackDividerController.java b/services/core/java/com/android/server/wm/DockedStackDividerController.java
index 04cba81..eafc3c6 100644
--- a/services/core/java/com/android/server/wm/DockedStackDividerController.java
+++ b/services/core/java/com/android/server/wm/DockedStackDividerController.java
@@ -16,7 +16,7 @@
package com.android.server.wm;
-import static android.app.ActivityManager.DOCKED_STACK_ID;
+import static android.app.ActivityManager.StackId.DOCKED_STACK_ID;
import static android.content.res.Configuration.ORIENTATION_LANDSCAPE;
import static android.view.PointerIcon.STYLE_HORIZONTAL_DOUBLE_ARROW;
import static android.view.PointerIcon.STYLE_VERTICAL_DOUBLE_ARROW;
diff --git a/services/core/java/com/android/server/wm/Task.java b/services/core/java/com/android/server/wm/Task.java
index d4d99af..dbf13fe 100644
--- a/services/core/java/com/android/server/wm/Task.java
+++ b/services/core/java/com/android/server/wm/Task.java
@@ -16,22 +16,21 @@
package com.android.server.wm;
-import static android.app.ActivityManager.DOCKED_STACK_ID;
-import static android.app.ActivityManager.FREEFORM_WORKSPACE_STACK_ID;
-import static android.app.ActivityManager.HOME_STACK_ID;
-import static android.app.ActivityManager.PINNED_STACK_ID;
+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.HOME_STACK_ID;
+import static android.app.ActivityManager.StackId.PINNED_STACK_ID;
import static android.app.ActivityManager.RESIZE_MODE_SYSTEM_SCREEN_ROTATION;
import static com.android.server.wm.WindowManagerService.TAG;
import static com.android.server.wm.WindowManagerService.DEBUG_RESIZE;
import static com.android.server.wm.WindowManagerService.DEBUG_STACK;
import static com.android.server.wm.WindowManagerService.H.RESIZE_TASK;
-
+import android.app.ActivityManager.StackId;
import android.content.res.Configuration;
import android.graphics.Rect;
import android.util.EventLog;
import android.util.Slog;
-import android.util.SparseArray;
import android.view.DisplayInfo;
import android.view.Surface;
@@ -245,7 +244,7 @@
private boolean useCurrentBounds() {
final DisplayContent displayContent = mStack.getDisplayContent();
if (mFullscreen
- || mStack.allowTaskResize()
+ || !StackId.isTaskResizeableByDockedStack(mStack.mStackId)
|| displayContent == null
|| displayContent.getDockedStackLocked() != null) {
return true;
diff --git a/services/core/java/com/android/server/wm/TaskPositioner.java b/services/core/java/com/android/server/wm/TaskPositioner.java
index 227b3f0..aae3bd2 100644
--- a/services/core/java/com/android/server/wm/TaskPositioner.java
+++ b/services/core/java/com/android/server/wm/TaskPositioner.java
@@ -18,7 +18,7 @@
import static android.app.ActivityManager.DOCKED_STACK_CREATE_MODE_BOTTOM_OR_RIGHT;
import static android.app.ActivityManager.DOCKED_STACK_CREATE_MODE_TOP_OR_LEFT;
-import static android.app.ActivityManager.FREEFORM_WORKSPACE_STACK_ID;
+import static android.app.ActivityManager.StackId.FREEFORM_WORKSPACE_STACK_ID;
import static android.app.ActivityManager.RESIZE_MODE_USER;
import static android.app.ActivityManager.RESIZE_MODE_USER_FORCED;
import static android.content.res.Configuration.ORIENTATION_LANDSCAPE;
diff --git a/services/core/java/com/android/server/wm/TaskStack.java b/services/core/java/com/android/server/wm/TaskStack.java
index df664bd..95e2391 100644
--- a/services/core/java/com/android/server/wm/TaskStack.java
+++ b/services/core/java/com/android/server/wm/TaskStack.java
@@ -17,17 +17,16 @@
package com.android.server.wm;
import static android.app.ActivityManager.DOCKED_STACK_CREATE_MODE_TOP_OR_LEFT;
-import static android.app.ActivityManager.DOCKED_STACK_ID;
-import static android.app.ActivityManager.FIRST_STATIC_STACK_ID;
-import static android.app.ActivityManager.FREEFORM_WORKSPACE_STACK_ID;
-import static android.app.ActivityManager.FULLSCREEN_WORKSPACE_STACK_ID;
-import static android.app.ActivityManager.LAST_STATIC_STACK_ID;
-import static android.app.ActivityManager.PINNED_STACK_ID;
+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.app.ActivityManager.StackId.PINNED_STACK_ID;
import static com.android.server.wm.WindowManagerService.DEBUG_TASK_MOVEMENT;
import static com.android.server.wm.WindowManagerService.H.RESIZE_STACK;
import static com.android.server.wm.WindowManagerService.TAG;
import android.annotation.IntDef;
+import android.app.ActivityManager.StackId;
import android.content.res.Configuration;
import android.graphics.Rect;
import android.os.Debug;
@@ -122,12 +121,6 @@
}
}
- boolean allowTaskResize() {
- return mStackId == FREEFORM_WORKSPACE_STACK_ID
- || mStackId == DOCKED_STACK_ID
- || mStackId == PINNED_STACK_ID;
- }
-
/**
* Set the bounds of the stack and its containing tasks.
* @param stackBounds New stack bounds. Passing in null sets the bounds to fullscreen.
@@ -203,8 +196,7 @@
/** Return true if the current bound can get outputted to the rest of the system as-is. */
private boolean useCurrentBounds() {
if (mFullscreen
- || mStackId == DOCKED_STACK_ID
- || mStackId == PINNED_STACK_ID
+ || !StackId.isResizeableByDockedStack(mStackId)
|| mDisplayContent == null
|| mDisplayContent.getDockedStackLocked() != null) {
return true;
@@ -396,9 +388,9 @@
Rect bounds = null;
final TaskStack dockedStack = mService.mStackIdToStack.get(DOCKED_STACK_ID);
- if (mStackId == DOCKED_STACK_ID || (dockedStack != null && mStackId != PINNED_STACK_ID
- && mStackId >= FIRST_STATIC_STACK_ID && mStackId <= LAST_STATIC_STACK_ID)) {
- // The existence of a docked stack affects the size of any static stack created since
+ if (mStackId == DOCKED_STACK_ID
+ || (dockedStack != null && StackId.isResizeableByDockedStack(mStackId))) {
+ // The existence of a docked stack affects the size of other static stack created since
// the docked stack occupies a dedicated region on screen.
bounds = new Rect();
displayContent.getLogicalDisplayRect(mTmpRect);
@@ -424,10 +416,7 @@
}
void getStackDockedModeBoundsLocked(Rect outBounds) {
- if (mStackId == DOCKED_STACK_ID
- || mStackId == PINNED_STACK_ID
- || mStackId > LAST_STATIC_STACK_ID
- || mDisplayContent == null) {
+ if (!StackId.isResizeableByDockedStack(mStackId) || mDisplayContent == null) {
outBounds.set(mBounds);
return;
}
@@ -537,9 +526,7 @@
for (int i = 0; i < count; i++) {
final TaskStack otherStack = mService.mStackIdToStack.valueAt(i);
final int otherStackId = otherStack.mStackId;
- if (otherStackId != DOCKED_STACK_ID && mStackId != PINNED_STACK_ID
- && otherStackId >= FIRST_STATIC_STACK_ID
- && otherStackId <= LAST_STATIC_STACK_ID) {
+ if (StackId.isResizeableByDockedStack(otherStackId)) {
mService.mH.sendMessage(
mService.mH.obtainMessage(RESIZE_STACK, otherStackId,
1 /*allowResizeInDockedMode*/, bounds));
diff --git a/services/core/java/com/android/server/wm/WallpaperController.java b/services/core/java/com/android/server/wm/WallpaperController.java
index 7f2f2cd..4a9d8cb 100644
--- a/services/core/java/com/android/server/wm/WallpaperController.java
+++ b/services/core/java/com/android/server/wm/WallpaperController.java
@@ -16,7 +16,7 @@
package com.android.server.wm;
-import static android.app.ActivityManager.FREEFORM_WORKSPACE_STACK_ID;
+import static android.app.ActivityManager.StackId.FREEFORM_WORKSPACE_STACK_ID;
import static android.view.WindowManager.LayoutParams.FLAG_SHOW_WALLPAPER;
import static android.view.WindowManager.LayoutParams.PRIVATE_FLAG_KEYGUARD;
import static android.view.WindowManager.LayoutParams.TYPE_APPLICATION_STARTING;
diff --git a/services/core/java/com/android/server/wm/WindowManagerService.java b/services/core/java/com/android/server/wm/WindowManagerService.java
index bcfc8f2..95aff1f 100644
--- a/services/core/java/com/android/server/wm/WindowManagerService.java
+++ b/services/core/java/com/android/server/wm/WindowManagerService.java
@@ -17,8 +17,8 @@
package com.android.server.wm;
import static android.app.ActivityManager.DOCKED_STACK_CREATE_MODE_TOP_OR_LEFT;
-import static android.app.ActivityManager.DOCKED_STACK_ID;
-import static android.app.ActivityManager.FREEFORM_WORKSPACE_STACK_ID;
+import static android.app.ActivityManager.StackId.DOCKED_STACK_ID;
+import static android.app.ActivityManager.StackId.FREEFORM_WORKSPACE_STACK_ID;
import static android.content.pm.ActivityInfo.SCREEN_ORIENTATION_UNSPECIFIED;
import static android.content.pm.ActivityInfo.SCREEN_ORIENTATION_BEHIND;
import static android.view.WindowManager.LayoutParams.FIRST_APPLICATION_WINDOW;