Java程序
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/*
* Copyright (C) 2012 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package android.app;
import static android.app.ActivityManager.DOCKED_STACK_CREATE_MODE_TOP_OR_LEFT;
import static android.app.ActivityManager.StackId.INVALID_STACK_ID;
import static android.view.Display.INVALID_DISPLAY;
import android.annotation.Nullable;
import android.annotation.TestApi;
import android.content.Context;
import android.content.Intent;
import android.graphics.Bitmap;
import android.graphics.Bitmap.Config;
import android.graphics.GraphicBuffer;
import android.graphics.Rect;
import android.os.Bundle;
import android.os.Handler;
import android.os.IRemoteCallback;
import android.os.Parcelable;
import android.os.RemoteException;
import android.os.ResultReceiver;
import android.transition.Transition;
import android.transition.TransitionListenerAdapter;
import android.transition.TransitionManager;
import android.util.Pair;
import android.util.Slog;
import android.view.AppTransitionAnimationSpec;
import android.view.IAppTransitionAnimationSpecsFuture;
import android.view.View;
import android.view.ViewGroup;
import android.view.Window;
import java.util.ArrayList;
/**
* Helper class for building an options Bundle that can be used with
* {@link android.content.Context#startActivity(android.content.Intent, android.os.Bundle)
* Context.startActivity(Intent, Bundle)} and related methods.
*/
public class ActivityOptions {
private static final String TAG = "ActivityOptions";
/**
* A long in the extras delivered by {@link #requestUsageTimeReport} that contains
* the total time (in ms) the user spent in the app flow.
*/
public static final String EXTRA_USAGE_TIME_REPORT = "android.activity.usage_time";
/**
* A Bundle in the extras delivered by {@link #requestUsageTimeReport} that contains
* detailed information about the time spent in each package associated with the app;
* each key is a package name, whose value is a long containing the time (in ms).
*/
public static final String EXTRA_USAGE_TIME_REPORT_PACKAGES = "android.usage_time_packages";
/**
* The package name that created the options.
* @hide
*/
public static final String KEY_PACKAGE_NAME = "android:activity.packageName";
/**
* The bounds (window size) that the activity should be launched in. Set to null explicitly for
* full screen. If the key is not found, previous bounds will be preserved.
* NOTE: This value is ignored on devices that don't have
* {@link android.content.pm.PackageManager#FEATURE_FREEFORM_WINDOW_MANAGEMENT} or
* {@link android.content.pm.PackageManager#FEATURE_PICTURE_IN_PICTURE} enabled.
* @hide
*/
public static final String KEY_LAUNCH_BOUNDS = "android:activity.launchBounds";
/**
* Type of animation that arguments specify.
* @hide
*/
public static final String KEY_ANIM_TYPE = "android:activity.animType";
/**
* Custom enter animation resource ID.
* @hide
*/
public static final String KEY_ANIM_ENTER_RES_ID = "android:activity.animEnterRes";
/**
* Custom exit animation resource ID.
* @hide
*/
public static final String KEY_ANIM_EXIT_RES_ID = "android:activity.animExitRes";
/**
* Custom in-place animation resource ID.
* @hide
*/
public static final String KEY_ANIM_IN_PLACE_RES_ID = "android:activity.animInPlaceRes";
/**
* Bitmap for thumbnail animation.
* @hide
*/
public static final String KEY_ANIM_THUMBNAIL = "android:activity.animThumbnail";
/**
* Start X position of thumbnail animation.
* @hide
*/
public static final String KEY_ANIM_START_X = "android:activity.animStartX";
/**
* Start Y position of thumbnail animation.
* @hide
*/
public static final String KEY_ANIM_START_Y = "android:activity.animStartY";
/**
* Initial width of the animation.
* @hide
*/
public static final String KEY_ANIM_WIDTH = "android:activity.animWidth";
/**
* Initial height of the animation.
* @hide
*/
public static final String KEY_ANIM_HEIGHT = "android:activity.animHeight";
/**
* Callback for when animation is started.
* @hide
*/
public static final String KEY_ANIM_START_LISTENER = "android:activity.animStartListener";
/**
* Callback for when the last frame of the animation is played.
* @hide
*/
private static final String KEY_ANIMATION_FINISHED_LISTENER =
"android:activity.animationFinishedListener";
/**
* Descriptions of app transition animations to be played during the activity launch.
*/
private static final String KEY_ANIM_SPECS = "android:activity.animSpecs";
/**
* The display id the activity should be launched into.
* @see #setLaunchDisplayId(int)
* @hide
*/
private static final String KEY_LAUNCH_DISPLAY_ID = "android.activity.launchDisplayId";
/**
* The stack id the activity should be launched into.
* @hide
*/
private static final String KEY_LAUNCH_STACK_ID = "android.activity.launchStackId";
/**
* The task id the activity should be launched into.
* @hide
*/
private static final String KEY_LAUNCH_TASK_ID = "android.activity.launchTaskId";
/**
* See {@link #setTaskOverlay}.
* @hide
*/
private static final String KEY_TASK_OVERLAY = "android.activity.taskOverlay";
/**
* See {@link #setTaskOverlay}.
* @hide
*/
private static final String KEY_TASK_OVERLAY_CAN_RESUME =
"android.activity.taskOverlayCanResume";
/**
* Where the docked stack should be positioned.
* @hide
*/
private static final String KEY_DOCK_CREATE_MODE = "android:activity.dockCreateMode";
/**
* For Activity transitions, the calling Activity's TransitionListener used to
* notify the called Activity when the shared element and the exit transitions
* complete.
*/
private static final String KEY_TRANSITION_COMPLETE_LISTENER
= "android:activity.transitionCompleteListener";
private static final String KEY_TRANSITION_IS_RETURNING
= "android:activity.transitionIsReturning";
private static final String KEY_TRANSITION_SHARED_ELEMENTS
= "android:activity.sharedElementNames";
private static final String KEY_RESULT_DATA = "android:activity.resultData";
private static final String KEY_RESULT_CODE = "android:activity.resultCode";
private static final String KEY_EXIT_COORDINATOR_INDEX
= "android:activity.exitCoordinatorIndex";
private static final String KEY_USAGE_TIME_REPORT = "android:activity.usageTimeReport";
private static final String KEY_ROTATION_ANIMATION_HINT = "android:activity.rotationAnimationHint";
private static final String KEY_INSTANT_APP_VERIFICATION_BUNDLE
= "android:instantapps.installerbundle";
private static final String KEY_SPECS_FUTURE = "android:activity.specsFuture";
/** @hide */
public static final int ANIM_NONE = 0;
/** @hide */
public static final int ANIM_CUSTOM = 1;
/** @hide */
public static final int ANIM_SCALE_UP = 2;
/** @hide */
public static final int ANIM_THUMBNAIL_SCALE_UP = 3;
/** @hide */
public static final int ANIM_THUMBNAIL_SCALE_DOWN = 4;
/** @hide */
public static final int ANIM_SCENE_TRANSITION = 5;
/** @hide */
public static final int ANIM_DEFAULT = 6;
/** @hide */
public static final int ANIM_LAUNCH_TASK_BEHIND = 7;
/** @hide */
public static final int ANIM_THUMBNAIL_ASPECT_SCALE_UP = 8;
/** @hide */
public static final int ANIM_THUMBNAIL_ASPECT_SCALE_DOWN = 9;
/** @hide */
public static final int ANIM_CUSTOM_IN_PLACE = 10;
/** @hide */
public static final int ANIM_CLIP_REVEAL = 11;
private String mPackageName;
private Rect mLaunchBounds;
private int mAnimationType = ANIM_NONE;
private int mCustomEnterResId;
private int mCustomExitResId;
private int mCustomInPlaceResId;
private Bitmap mThumbnail;
private int mStartX;
private int mStartY;
private int mWidth;
private int mHeight;
private IRemoteCallback mAnimationStartedListener;
private IRemoteCallback mAnimationFinishedListener;
private ResultReceiver mTransitionReceiver;
private boolean mIsReturning;
private ArrayList<String> mSharedElementNames;
private Intent mResultData;
private int mResultCode;
private int mExitCoordinatorIndex;
private PendingIntent mUsageTimeReport;
private int mLaunchDisplayId = INVALID_DISPLAY;
private int mLaunchStackId = INVALID_STACK_ID;
private int mLaunchTaskId = -1;
private int mDockCreateMode = DOCKED_STACK_CREATE_MODE_TOP_OR_LEFT;
private boolean mTaskOverlay;
private boolean mTaskOverlayCanResume;
private AppTransitionAnimationSpec mAnimSpecs[];
private int mRotationAnimationHint = -1;
private Bundle mAppVerificationBundle;
private IAppTransitionAnimationSpecsFuture mSpecsFuture;
/**
* Create an ActivityOptions specifying a custom animation to run when
* the activity is displayed.
*
* @param context Who is defining this. This is the application that the
* animation resources will be loaded from.
* @param enterResId A resource ID of the animation resource to use for
* the incoming activity. Use 0 for no animation.
* @param exitResId A resource ID of the animation resource to use for
* the outgoing activity. Use 0 for no animation.
* @return Returns a new ActivityOptions object that you can use to
* supply these options as the options Bundle when starting an activity.
*/
public static ActivityOptions makeCustomAnimation(Context context,
int enterResId, int exitResId) {
return makeCustomAnimation(context, enterResId, exitResId, null, null);
}
/**
* Create an ActivityOptions specifying a custom animation to run when
* the activity is displayed.
*
* @param context Who is defining this. This is the application that the
* animation resources will be loaded from.
* @param enterResId A resource ID of the animation resource to use for
* the incoming activity. Use 0 for no animation.
* @param exitResId A resource ID of the animation resource to use for
* the outgoing activity. Use 0 for no animation.
* @param handler If <var>listener</var> is non-null this must be a valid
* Handler on which to dispatch the callback; otherwise it should be null.
* @param listener Optional OnAnimationStartedListener to find out when the
* requested animation has started running. If for some reason the animation
* is not executed, the callback will happen immediately.
* @return Returns a new ActivityOptions object that you can use to
* supply these options as the options Bundle when starting an activity.
* @hide
*/
public static ActivityOptions makeCustomAnimation(Context context,
int enterResId, int exitResId, Handler handler, OnAnimationStartedListener listener) {
ActivityOptions opts = new ActivityOptions();
opts.mPackageName = context.getPackageName();
opts.mAnimationType = ANIM_CUSTOM;
opts.mCustomEnterResId = enterResId;
opts.mCustomExitResId = exitResId;
opts.setOnAnimationStartedListener(handler, listener);
return opts;
}
/**
* Creates an ActivityOptions specifying a custom animation to run in place on an existing
* activity.
*
* @param context Who is defining this. This is the application that the
* animation resources will be loaded from.
* @param animId A resource ID of the animation resource to use for
* the incoming activity.
* @return Returns a new ActivityOptions object that you can use to
* supply these options as the options Bundle when running an in-place animation.
* @hide
*/
public static ActivityOptions makeCustomInPlaceAnimation(Context context, int animId) {
if (animId == 0) {
throw new RuntimeException("You must specify a valid animation.");
}
ActivityOptions opts = new ActivityOptions();
opts.mPackageName = context.getPackageName();
opts.mAnimationType = ANIM_CUSTOM_IN_PLACE;
opts.mCustomInPlaceResId = animId;
return opts;
}
private void setOnAnimationStartedListener(final Handler handler,
final OnAnimationStartedListener listener) {
if (listener != null) {
mAnimationStartedListener = new IRemoteCallback.Stub() {
@Override
public void sendResult(Bundle data) throws RemoteException {
handler.post(new Runnable() {
@Override public void run() {
listener.onAnimationStarted();
}
});
}
};
}
}
/**
* Callback for use with {@link ActivityOptions#makeThumbnailScaleUpAnimation}
* to find out when the given animation has started running.
* @hide
*/
public interface OnAnimationStartedListener {
void onAnimationStarted();
}
private void setOnAnimationFinishedListener(final Handler handler,
final OnAnimationFinishedListener listener) {
if (listener != null) {
mAnimationFinishedListener = new IRemoteCallback.Stub() {
@Override
public void sendResult(Bundle data) throws RemoteException {
handler.post(new Runnable() {
@Override
public void run() {
listener.onAnimationFinished();
}
});
}
};
}
}
/**
* Callback for use with {@link ActivityOptions#makeThumbnailAspectScaleDownAnimation}
* to find out when the given animation has drawn its last frame.
* @hide
*/
public interface OnAnimationFinishedListener {
void onAnimationFinished();
}
/**
* Create an ActivityOptions specifying an animation where the new
* activity is scaled from a small originating area of the screen to
* its final full representation.
*
* <p>If the Intent this is being used with has not set its
* {@link android.content.Intent#setSourceBounds Intent.setSourceBounds},
* those bounds will be filled in for you based on the initial
* bounds passed in here.
*
* @param source The View that the new activity is animating from. This
* defines the coordinate space for <var>startX</var> and <var>startY</var>.
* @param startX The x starting location of the new activity, relative to <var>source</var>.
* @param startY The y starting location of the activity, relative to <var>source</var>.
* @param width The initial width of the new activity.
* @param height The initial height of the new activity.
* @return Returns a new ActivityOptions object that you can use to
* supply these options as the options Bundle when starting an activity.
*/
public static ActivityOptions makeScaleUpAnimation(View source,
int startX, int startY, int width, int height) {
ActivityOptions opts = new ActivityOptions();
opts.mPackageName = source.getContext().getPackageName();
opts.mAnimationType = ANIM_SCALE_UP;
int[] pts = new int[2];
source.getLocationOnScreen(pts);
opts.mStartX = pts[0] + startX;
opts.mStartY = pts[1] + startY;
opts.mWidth = width;
opts.mHeight = height;
return opts;
}
/**
* Create an ActivityOptions specifying an animation where the new
* activity is revealed from a small originating area of the screen to
* its final full representation.
*
* @param source The View that the new activity is animating from. This
* defines the coordinate space for <var>startX</var> and <var>startY</var>.
* @param startX The x starting location of the new activity, relative to <var>source</var>.
* @param startY The y starting location of the activity, relative to <var>source</var>.
* @param width The initial width of the new activity.
* @param height The initial height of the new activity.
* @return Returns a new ActivityOptions object that you can use to
* supply these options as the options Bundle when starting an activity.
*/
public static ActivityOptions makeClipRevealAnimation(View source,
int startX, int startY, int width, int height) {
ActivityOptions opts = new ActivityOptions();
opts.mAnimationType = ANIM_CLIP_REVEAL;
int[] pts = new int[2];
source.getLocationOnScreen(pts);
opts.mStartX = pts[0] + startX;
opts.mStartY = pts[1] + startY;
opts.mWidth = width;
opts.mHeight = height;
return opts;
}
/**
* Create an ActivityOptions specifying an animation where a thumbnail
* is scaled from a given position to the new activity window that is
* being started.
*
* <p>If the Intent this is being used with has not set its
* {@link android.content.Intent#setSourceBounds Intent.setSourceBounds},
* those bounds will be filled in for you based on the initial
* thumbnail location and size provided here.
*
* @param source The View that this thumbnail is animating from. This
* defines the coordinate space for <var>startX</var> and <var>startY</var>.
* @param thumbnail The bitmap that will be shown as the initial thumbnail
* of the animation.
* @param startX The x starting location of the bitmap, relative to <var>source</var>.
* @param startY The y starting location of the bitmap, relative to <var>source</var>.
* @return Returns a new ActivityOptions object that you can use to
* supply these options as the options Bundle when starting an activity.
*/
public static ActivityOptions makeThumbnailScaleUpAnimation(View source,
Bitmap thumbnail, int startX, int startY) {
return makeThumbnailScaleUpAnimation(source, thumbnail, startX, startY, null);
}
/**
* Create an ActivityOptions specifying an animation where a thumbnail
* is scaled from a given position to the new activity window that is
* being started.
*
* @param source The View that this thumbnail is animating from. This
* defines the coordinate space for <var>startX</var> and <var>startY</var>.
* @param thumbnail The bitmap that will be shown as the initial thumbnail
* of the animation.
* @param startX The x starting location of the bitmap, relative to <var>source</var>.
* @param startY The y starting location of the bitmap, relative to <var>source</var>.
* @param listener Optional OnAnimationStartedListener to find out when the
* requested animation has started running. If for some reason the animation
* is not executed, the callback will happen immediately.
* @return Returns a new ActivityOptions object that you can use to
* supply these options as the options Bundle when starting an activity.
*/
private static ActivityOptions makeThumbnailScaleUpAnimation(View source,
Bitmap thumbnail, int startX, int startY, OnAnimationStartedListener listener) {
return makeThumbnailAnimation(source, thumbnail, startX, startY, listener, true);
}
private static ActivityOptions makeThumbnailAnimation(View source,
Bitmap thumbnail, int startX, int startY, OnAnimationStartedListener listener,
boolean scaleUp) {
ActivityOptions opts = new ActivityOptions();
opts.mPackageName = source.getContext().getPackageName();
opts.mAnimationType = scaleUp ? ANIM_THUMBNAIL_SCALE_UP : ANIM_THUMBNAIL_SCALE_DOWN;
opts.mThumbnail = thumbnail;
int[] pts = new int[2];
source.getLocationOnScreen(pts);
opts.mStartX = pts[0] + startX;
opts.mStartY = pts[1] + startY;
opts.setOnAnimationStartedListener(source.getHandler(), listener);
return opts;
}
/**
* Create an ActivityOptions specifying an animation where a list of activity windows and
* thumbnails are aspect scaled to/from a new location.
* @hide
*/
public static ActivityOptions makeMultiThumbFutureAspectScaleAnimation(Context context,
Handler handler, IAppTransitionAnimationSpecsFuture specsFuture,
OnAnimationStartedListener listener, boolean scaleUp) {
ActivityOptions opts = new ActivityOptions();
opts.mPackageName = context.getPackageName();
opts.mAnimationType = scaleUp
? ANIM_THUMBNAIL_ASPECT_SCALE_UP
: ANIM_THUMBNAIL_ASPECT_SCALE_DOWN;
opts.mSpecsFuture = specsFuture;
opts.setOnAnimationStartedListener(handler, listener);
return opts;
}
/**
* Create an ActivityOptions specifying an animation where the new activity
* window and a thumbnail is aspect-scaled to a new location.
*
* @param source The View that this thumbnail is animating to. This
* defines the coordinate space for <var>startX</var> and <var>startY</var>.
* @param thumbnail The bitmap that will be shown as the final thumbnail
* of the animation.
* @param startX The x end location of the bitmap, relative to <var>source</var>.
* @param startY The y end location of the bitmap, relative to <var>source</var>.
* @param handler If <var>listener</var> is non-null this must be a valid
* Handler on which to dispatch the callback; otherwise it should be null.
* @param listener Optional OnAnimationStartedListener to find out when the
* requested animation has started running. If for some reason the animation
* is not executed, the callback will happen immediately.
* @return Returns a new ActivityOptions object that you can use to
* supply these options as the options Bundle when starting an activity.
* @hide
*/
public static ActivityOptions makeThumbnailAspectScaleDownAnimation(View source,
Bitmap thumbnail, int startX, int startY, int targetWidth, int targetHeight,
Handler handler, OnAnimationStartedListener listener) {
return makeAspectScaledThumbnailAnimation(source, thumbnail, startX, startY,
targetWidth, targetHeight, handler, listener, false);
}
private static ActivityOptions makeAspectScaledThumbnailAnimation(View source, Bitmap thumbnail,
int startX, int startY, int targetWidth, int targetHeight,
Handler handler, OnAnimationStartedListener listener, boolean scaleUp) {
ActivityOptions opts = new ActivityOptions();
opts.mPackageName = source.getContext().getPackageName();
opts.mAnimationType = scaleUp ? ANIM_THUMBNAIL_ASPECT_SCALE_UP :
ANIM_THUMBNAIL_ASPECT_SCALE_DOWN;
opts.mThumbnail = thumbnail;
int[] pts = new int[2];
source.getLocationOnScreen(pts);
opts.mStartX = pts[0] + startX;
opts.mStartY = pts[1] + startY;
opts.mWidth = targetWidth;
opts.mHeight = targetHeight;
opts.setOnAnimationStartedListener(handler, listener);
return opts;
}
/** @hide */
public static ActivityOptions makeThumbnailAspectScaleDownAnimation(View source,
AppTransitionAnimationSpec[] specs, Handler handler,
OnAnimationStartedListener onAnimationStartedListener,
OnAnimationFinishedListener onAnimationFinishedListener) {
ActivityOptions opts = new ActivityOptions();
opts.mPackageName = source.getContext().getPackageName();
opts.mAnimationType = ANIM_THUMBNAIL_ASPECT_SCALE_DOWN;
opts.mAnimSpecs = specs;
opts.setOnAnimationStartedListener(handler, onAnimationStartedListener);
opts.setOnAnimationFinishedListener(handler, onAnimationFinishedListener);
return opts;
}
/**
* Create an ActivityOptions to transition between Activities using cross-Activity scene
* animations. This method carries the position of one shared element to the started Activity.
* The position of <code>sharedElement</code> will be used as the epicenter for the
* exit Transition. The position of the shared element in the launched Activity will be the
* epicenter of its entering Transition.
*
* <p>This requires {@link android.view.Window#FEATURE_ACTIVITY_TRANSITIONS} to be
* enabled on the calling Activity to cause an exit transition. The same must be in
* the called Activity to get an entering transition.</p>
* @param activity The Activity whose window contains the shared elements.
* @param sharedElement The View to transition to the started Activity.
* @param sharedElementName The shared element name as used in the target Activity. This
* must not be null.
* @return Returns a new ActivityOptions object that you can use to
* supply these options as the options Bundle when starting an activity.
* @see android.transition.Transition#setEpicenterCallback(
* android.transition.Transition.EpicenterCallback)
*/
public static ActivityOptions makeSceneTransitionAnimation(Activity activity,
View sharedElement, String sharedElementName) {
return makeSceneTransitionAnimation(activity, Pair.create(sharedElement, sharedElementName));
}
/**
* Create an ActivityOptions to transition between Activities using cross-Activity scene
* animations. This method carries the position of multiple shared elements to the started
* Activity. The position of the first element in sharedElements
* will be used as the epicenter for the exit Transition. The position of the associated
* shared element in the launched Activity will be the epicenter of its entering Transition.
*
* <p>This requires {@link android.view.Window#FEATURE_ACTIVITY_TRANSITIONS} to be
* enabled on the calling Activity to cause an exit transition. The same must be in
* the called Activity to get an entering transition.</p>
* @param activity The Activity whose window contains the shared elements.
* @param sharedElements The names of the shared elements to transfer to the called
* Activity and their associated Views. The Views must each have
* a unique shared element name.
* @return Returns a new ActivityOptions object that you can use to
* supply these options as the options Bundle when starting an activity.
* @see android.transition.Transition#setEpicenterCallback(
* android.transition.Transition.EpicenterCallback)
*/
@SafeVarargs
public static ActivityOptions makeSceneTransitionAnimation(Activity activity,
Pair<View, String>... sharedElements) {
ActivityOptions opts = new ActivityOptions();
makeSceneTransitionAnimation(activity, activity.getWindow(), opts,
activity.mExitTransitionListener, sharedElements);
return opts;
}
/**
* Call this immediately prior to startActivity to begin a shared element transition
* from a non-Activity. The window must support Window.FEATURE_ACTIVITY_TRANSITIONS.
* The exit transition will start immediately and the shared element transition will
* start once the launched Activity's shared element is ready.
* <p>
* When all transitions have completed and the shared element has been transfered,
* the window's decor View will have its visibility set to View.GONE.
*
* @hide
*/
@SafeVarargs
public static ActivityOptions startSharedElementAnimation(Window window,
Pair<View, String>... sharedElements) {
ActivityOptions opts = new ActivityOptions();
final View decorView = window.getDecorView();
if (decorView == null) {
return opts;
}
final ExitTransitionCoordinator exit =
makeSceneTransitionAnimation(null, window, opts, null, sharedElements);
if (exit != null) {
HideWindowListener listener = new HideWindowListener(window, exit);
exit.setHideSharedElementsCallback(listener);
exit.startExit();
}
return opts;
}
/**
* This method should be called when the {@link #startSharedElementAnimation(Window, Pair[])}
* animation must be stopped and the Views reset. This can happen if there was an error
* from startActivity or a springboard activity and the animation should stop and reset.
*
* @hide
*/
public static void stopSharedElementAnimation(Window window) {
final View decorView = window.getDecorView();
if (decorView == null) {
return;
}
final ExitTransitionCoordinator exit = (ExitTransitionCoordinator)
decorView.getTag(com.android.internal.R.id.cross_task_transition);
if (exit != null) {
exit.cancelPendingTransitions();
decorView.setTagInternal(com.android.internal.R.id.cross_task_transition, null);
TransitionManager.endTransitions((ViewGroup) decorView);
exit.resetViews();
exit.clearState();
decorView.setVisibility(View.VISIBLE);
}
}
static ExitTransitionCoordinator makeSceneTransitionAnimation(Activity activity, Window window,
ActivityOptions opts, SharedElementCallback callback,
Pair<View, String>[] sharedElements) {
if (!window.hasFeature(Window.FEATURE_ACTIVITY_TRANSITIONS)) {
opts.mAnimationType = ANIM_DEFAULT;
return null;
}
opts.mAnimationType = ANIM_SCENE_TRANSITION;
ArrayList<String> names = new ArrayList<String>();
ArrayList<View> views = new ArrayList<View>();
if (sharedElements != null) {
for (int i = 0; i < sharedElements.length; i++) {
Pair<View, String> sharedElement = sharedElements[i];
String sharedElementName = sharedElement.second;
if (sharedElementName == null) {
throw new IllegalArgumentException("Shared element name must not be null");
}
names.add(sharedElementName);
View view = sharedElement.first;
if (view == null) {
throw new IllegalArgumentException("Shared element must not be null");
}
views.add(sharedElement.first);
}
}
ExitTransitionCoordinator exit = new ExitTransitionCoordinator(activity, window,
callback, names, names, views, false);
opts.mTransitionReceiver = exit;
opts.mSharedElementNames = names;
opts.mIsReturning = (activity == null);
if (activity == null) {
opts.mExitCoordinatorIndex = -1;
} else {
opts.mExitCoordinatorIndex =
activity.mActivityTransitionState.addExitTransitionCoordinator(exit);
}
return exit;
}
/** @hide */
static ActivityOptions makeSceneTransitionAnimation(Activity activity,
ExitTransitionCoordinator exitCoordinator, ArrayList<String> sharedElementNames,
int resultCode, Intent resultData) {
ActivityOptions opts = new ActivityOptions();
opts.mAnimationType = ANIM_SCENE_TRANSITION;
opts.mSharedElementNames = sharedElementNames;
opts.mTransitionReceiver = exitCoordinator;
opts.mIsReturning = true;
opts.mResultCode = resultCode;
opts.mResultData = resultData;
opts.mExitCoordinatorIndex =
activity.mActivityTransitionState.addExitTransitionCoordinator(exitCoordinator);
return opts;
}
/**
* If set along with Intent.FLAG_ACTIVITY_NEW_DOCUMENT then the task being launched will not be
* presented to the user but will instead be only available through the recents task list.
* In addition, the new task wil be affiliated with the launching activity's task.
* Affiliated tasks are grouped together in the recents task list.
*
* <p>This behavior is not supported for activities with {@link
* android.R.styleable#AndroidManifestActivity_launchMode launchMode} values of
* <code>singleInstance</code> or <code>singleTask</code>.
*/
public static ActivityOptions makeTaskLaunchBehind() {
final ActivityOptions opts = new ActivityOptions();
opts.mAnimationType = ANIM_LAUNCH_TASK_BEHIND;
return opts;
}
/**
* Create a basic ActivityOptions that has no special animation associated with it.
* Other options can still be set.
*/
public static ActivityOptions makeBasic() {
final ActivityOptions opts = new ActivityOptions();
return opts;
}
/** @hide */
public boolean getLaunchTaskBehind() {
return mAnimationType == ANIM_LAUNCH_TASK_BEHIND;
}
private ActivityOptions() {
}
/** @hide */
public ActivityOptions(Bundle opts) {
// If the remote side sent us bad parcelables, they won't get the
// results they want, which is their loss.
opts.setDefusable(true);
mPackageName = opts.getString(KEY_PACKAGE_NAME);
try {
mUsageTimeReport = opts.getParcelable(KEY_USAGE_TIME_REPORT);
} catch (RuntimeException e) {
Slog.w(TAG, e);
}
mLaunchBounds = opts.getParcelable(KEY_LAUNCH_BOUNDS);
mAnimationType = opts.getInt(KEY_ANIM_TYPE);
switch (mAnimationType) {
case ANIM_CUSTOM:
mCustomEnterResId = opts.getInt(KEY_ANIM_ENTER_RES_ID, 0);
mCustomExitResId = opts.getInt(KEY_ANIM_EXIT_RES_ID, 0);
mAnimationStartedListener = IRemoteCallback.Stub.asInterface(
opts.getBinder(KEY_ANIM_START_LISTENER));
break;
case ANIM_CUSTOM_IN_PLACE:
mCustomInPlaceResId = opts.getInt(KEY_ANIM_IN_PLACE_RES_ID, 0);
break;
case ANIM_SCALE_UP:
case ANIM_CLIP_REVEAL:
mStartX = opts.getInt(KEY_ANIM_START_X, 0);
mStartY = opts.getInt(KEY_ANIM_START_Y, 0);
mWidth = opts.getInt(KEY_ANIM_WIDTH, 0);
mHeight = opts.getInt(KEY_ANIM_HEIGHT, 0);
break;
case ANIM_THUMBNAIL_SCALE_UP:
case ANIM_THUMBNAIL_SCALE_DOWN:
case ANIM_THUMBNAIL_ASPECT_SCALE_UP:
case ANIM_THUMBNAIL_ASPECT_SCALE_DOWN:
// Unpackage the GraphicBuffer from the parceled thumbnail
final GraphicBuffer buffer = opts.getParcelable(KEY_ANIM_THUMBNAIL);
if (buffer != null) {
mThumbnail = Bitmap.createHardwareBitmap(buffer);
}
mStartX = opts.getInt(KEY_ANIM_START_X, 0);
mStartY = opts.getInt(KEY_ANIM_START_Y, 0);
mWidth = opts.getInt(KEY_ANIM_WIDTH, 0);
mHeight = opts.getInt(KEY_ANIM_HEIGHT, 0);
mAnimationStartedListener = IRemoteCallback.Stub.asInterface(
opts.getBinder(KEY_ANIM_START_LISTENER));
break;
case ANIM_SCENE_TRANSITION:
mTransitionReceiver = opts.getParcelable(KEY_TRANSITION_COMPLETE_LISTENER);
mIsReturning = opts.getBoolean(KEY_TRANSITION_IS_RETURNING, false);
mSharedElementNames = opts.getStringArrayList(KEY_TRANSITION_SHARED_ELEMENTS);
mResultData = opts.getParcelable(KEY_RESULT_DATA);
mResultCode = opts.getInt(KEY_RESULT_CODE);
mExitCoordinatorIndex = opts.getInt(KEY_EXIT_COORDINATOR_INDEX);
break;
}
mLaunchDisplayId = opts.getInt(KEY_LAUNCH_DISPLAY_ID, INVALID_DISPLAY);
mLaunchStackId = opts.getInt(KEY_LAUNCH_STACK_ID, INVALID_STACK_ID);
mLaunchTaskId = opts.getInt(KEY_LAUNCH_TASK_ID, -1);
mTaskOverlay = opts.getBoolean(KEY_TASK_OVERLAY, false);
mTaskOverlayCanResume = opts.getBoolean(KEY_TASK_OVERLAY_CAN_RESUME, false);
mDockCreateMode = opts.getInt(KEY_DOCK_CREATE_MODE, DOCKED_STACK_CREATE_MODE_TOP_OR_LEFT);
if (opts.containsKey(KEY_ANIM_SPECS)) {
Parcelable[] specs = opts.getParcelableArray(KEY_ANIM_SPECS);
mAnimSpecs = new AppTransitionAnimationSpec[specs.length];
for (int i = specs.length - 1; i >= 0; i--) {
mAnimSpecs[i] = (AppTransitionAnimationSpec) specs[i];
}
}
if (opts.containsKey(KEY_ANIMATION_FINISHED_LISTENER)) {
mAnimationFinishedListener = IRemoteCallback.Stub.asInterface(
opts.getBinder(KEY_ANIMATION_FINISHED_LISTENER));
}
mRotationAnimationHint = opts.getInt(KEY_ROTATION_ANIMATION_HINT);
mAppVerificationBundle = opts.getBundle(KEY_INSTANT_APP_VERIFICATION_BUNDLE);
if (opts.containsKey(KEY_SPECS_FUTURE)) {
mSpecsFuture = IAppTransitionAnimationSpecsFuture.Stub.asInterface(opts.getBinder(
KEY_SPECS_FUTURE));
}
}
/**
* Sets the bounds (window size) that the activity should be launched in.
* Rect position should be provided in pixels and in screen coordinates.
* Set to null explicitly for fullscreen.
* <p>
* <strong>NOTE:<strong/> This value is ignored on devices that don't have
* {@link android.content.pm.PackageManager#FEATURE_FREEFORM_WINDOW_MANAGEMENT} or
* {@link android.content.pm.PackageManager#FEATURE_PICTURE_IN_PICTURE} enabled.
* @param screenSpacePixelRect Launch bounds to use for the activity or null for fullscreen.
*/
public ActivityOptions setLaunchBounds(@Nullable Rect screenSpacePixelRect) {
mLaunchBounds = screenSpacePixelRect != null ? new Rect(screenSpacePixelRect) : null;
return this;
}
/** @hide */
public String getPackageName() {
return mPackageName;
}
/**
* Returns the bounds that should be used to launch the activity.
* @see #setLaunchBounds(Rect)
* @return Bounds used to launch the activity.
*/
@Nullable
public Rect getLaunchBounds() {
return mLaunchBounds;
}
/** @hide */
public int getAnimationType() {
return mAnimationType;
}
/** @hide */
public int getCustomEnterResId() {
return mCustomEnterResId;
}
/** @hide */
public int getCustomExitResId() {
return mCustomExitResId;
}
/** @hide */
public int getCustomInPlaceResId() {
return mCustomInPlaceResId;
}
/**
* The thumbnail is copied into a hardware bitmap when it is bundled and sent to the system, so
* it should always be backed by a GraphicBuffer on the other end.
*
* @hide
*/
public GraphicBuffer getThumbnail() {
return mThumbnail != null ? mThumbnail.createGraphicBufferHandle() : null;
}
/** @hide */
public int getStartX() {
return mStartX;
}
/** @hide */
public int getStartY() {
return mStartY;
}
/** @hide */
public int getWidth() {
return mWidth;
}
/** @hide */
public int getHeight() {
return mHeight;
}
/** @hide */
public IRemoteCallback getOnAnimationStartListener() {
return mAnimationStartedListener;
}
/** @hide */
public IRemoteCallback getAnimationFinishedListener() {
return mAnimationFinishedListener;
}
/** @hide */
public int getExitCoordinatorKey() { return mExitCoordinatorIndex; }
/** @hide */
public void abort() {
if (mAnimationStartedListener != null) {
try {
mAnimationStartedListener.sendResult(null);
} catch (RemoteException e) {
}
}
}
/** @hide */
public boolean isReturning() {
return mIsReturning;
}
/**
* Returns whether or not the ActivityOptions was created with
* {@link #startSharedElementAnimation(Window, Pair[])}.
*
* @hide
*/
boolean isCrossTask() {
return mExitCoordinatorIndex < 0;
}
/** @hide */
public ArrayList<String> getSharedElementNames() {
return mSharedElementNames;
}
/** @hide */
public ResultReceiver getResultReceiver() { return mTransitionReceiver; }
/** @hide */
public int getResultCode() { return mResultCode; }
/** @hide */
public Intent getResultData() { return mResultData; }
/** @hide */
public PendingIntent getUsageTimeReport() {
return mUsageTimeReport;
}
/** @hide */
public AppTransitionAnimationSpec[] getAnimSpecs() { return mAnimSpecs; }
/** @hide */
public IAppTransitionAnimationSpecsFuture getSpecsFuture() {
return mSpecsFuture;
}
/** @hide */
public static ActivityOptions fromBundle(Bundle bOptions) {
return bOptions != null ? new ActivityOptions(bOptions) : null;
}
/** @hide */
public static void abort(ActivityOptions options) {
if (options != null) {
options.abort();
}
}
/**
* Gets the id of the display where activity should be launched.
* @return The id of the display where activity should be launched,
* {@link android.view.Display#INVALID_DISPLAY} if not set.
* @see #setLaunchDisplayId(int)
*/
public int getLaunchDisplayId() {
return mLaunchDisplayId;
}
/**
* Sets the id of the display where activity should be launched.
* An app can launch activities on public displays or private displays that are owned by the app
* or where an app already has activities. Otherwise, trying to launch on a private display
* or providing an invalid display id will result in an exception.
* <p>
* Setting launch display id will be ignored on devices that don't have
* {@link android.content.pm.PackageManager#FEATURE_ACTIVITIES_ON_SECONDARY_DISPLAYS}.
* @param launchDisplayId The id of the display where the activity should be launched.
* @return {@code this} {@link ActivityOptions} instance.
*/
public ActivityOptions setLaunchDisplayId(int launchDisplayId) {
mLaunchDisplayId = launchDisplayId;
return this;
}
/** @hide */
public int getLaunchStackId() {
return mLaunchStackId;
}
/** @hide */
@TestApi
public void setLaunchStackId(int launchStackId) {
mLaunchStackId = launchStackId;
}
/**
* Sets the task the activity will be launched in.
* @hide
*/
@TestApi
public void setLaunchTaskId(int taskId) {
mLaunchTaskId = taskId;
}
/**
* @hide
*/
public int getLaunchTaskId() {
return mLaunchTaskId;
}
/**
* Set's whether the activity launched with this option should be a task overlay. That is the
* activity will always be the top activity of the task. If {@param canResume} is true, then
* the task will also not be moved to the front of the stack.
* @hide
*/
@TestApi
public void setTaskOverlay(boolean taskOverlay, boolean canResume) {
mTaskOverlay = taskOverlay;
mTaskOverlayCanResume = canResume;
}
/**
* @hide
*/
public boolean getTaskOverlay() {
return mTaskOverlay;
}
/**
* @hide
*/
public boolean canTaskOverlayResume() {
return mTaskOverlayCanResume;
}
/** @hide */
public int getDockCreateMode() {
return mDockCreateMode;
}
/** @hide */
public void setDockCreateMode(int dockCreateMode) {
mDockCreateMode = dockCreateMode;
}
/**
* Update the current values in this ActivityOptions from those supplied
* in <var>otherOptions</var>. Any values
* defined in <var>otherOptions</var> replace those in the base options.
*/
public void update(ActivityOptions otherOptions) {
if (otherOptions.mPackageName != null) {
mPackageName = otherOptions.mPackageName;
}
mUsageTimeReport = otherOptions.mUsageTimeReport;
mTransitionReceiver = null;
mSharedElementNames = null;
mIsReturning = false;
mResultData = null;
mResultCode = 0;
mExitCoordinatorIndex = 0;
mAnimationType = otherOptions.mAnimationType;
switch (otherOptions.mAnimationType) {
case ANIM_CUSTOM:
mCustomEnterResId = otherOptions.mCustomEnterResId;
mCustomExitResId = otherOptions.mCustomExitResId;
mThumbnail = null;
if (mAnimationStartedListener != null) {
try {
mAnimationStartedListener.sendResult(null);
} catch (RemoteException e) {
}
}
mAnimationStartedListener = otherOptions.mAnimationStartedListener;
break;
case ANIM_CUSTOM_IN_PLACE:
mCustomInPlaceResId = otherOptions.mCustomInPlaceResId;
break;
case ANIM_SCALE_UP:
mStartX = otherOptions.mStartX;
mStartY = otherOptions.mStartY;
mWidth = otherOptions.mWidth;
mHeight = otherOptions.mHeight;
if (mAnimationStartedListener != null) {
try {
mAnimationStartedListener.sendResult(null);
} catch (RemoteException e) {
}
}
mAnimationStartedListener = null;
break;
case ANIM_THUMBNAIL_SCALE_UP:
case ANIM_THUMBNAIL_SCALE_DOWN:
case ANIM_THUMBNAIL_ASPECT_SCALE_UP:
case ANIM_THUMBNAIL_ASPECT_SCALE_DOWN:
mThumbnail = otherOptions.mThumbnail;
mStartX = otherOptions.mStartX;
mStartY = otherOptions.mStartY;
mWidth = otherOptions.mWidth;
mHeight = otherOptions.mHeight;
if (mAnimationStartedListener != null) {
try {
mAnimationStartedListener.sendResult(null);
} catch (RemoteException e) {
}
}
mAnimationStartedListener = otherOptions.mAnimationStartedListener;
break;
case ANIM_SCENE_TRANSITION:
mTransitionReceiver = otherOptions.mTransitionReceiver;
mSharedElementNames = otherOptions.mSharedElementNames;
mIsReturning = otherOptions.mIsReturning;
mThumbnail = null;
mAnimationStartedListener = null;
mResultData = otherOptions.mResultData;
mResultCode = otherOptions.mResultCode;
mExitCoordinatorIndex = otherOptions.mExitCoordinatorIndex;
break;
}
mAnimSpecs = otherOptions.mAnimSpecs;
mAnimationFinishedListener = otherOptions.mAnimationFinishedListener;
mSpecsFuture = otherOptions.mSpecsFuture;
}
/**
* Returns the created options as a Bundle, which can be passed to
* {@link android.content.Context#startActivity(android.content.Intent, android.os.Bundle)
* Context.startActivity(Intent, Bundle)} and related methods.
* Note that the returned Bundle is still owned by the ActivityOptions
* object; you must not modify it, but can supply it to the startActivity
* methods that take an options Bundle.
*/
public Bundle toBundle() {
Bundle b = new Bundle();
if (mPackageName != null) {
b.putString(KEY_PACKAGE_NAME, mPackageName);
}
if (mLaunchBounds != null) {
b.putParcelable(KEY_LAUNCH_BOUNDS, mLaunchBounds);
}
b.putInt(KEY_ANIM_TYPE, mAnimationType);
if (mUsageTimeReport != null) {
b.putParcelable(KEY_USAGE_TIME_REPORT, mUsageTimeReport);
}
switch (mAnimationType) {
case ANIM_CUSTOM:
b.putInt(KEY_ANIM_ENTER_RES_ID, mCustomEnterResId);
b.putInt(KEY_ANIM_EXIT_RES_ID, mCustomExitResId);
b.putBinder(KEY_ANIM_START_LISTENER, mAnimationStartedListener
!= null ? mAnimationStartedListener.asBinder() : null);
break;
case ANIM_CUSTOM_IN_PLACE:
b.putInt(KEY_ANIM_IN_PLACE_RES_ID, mCustomInPlaceResId);
break;
case ANIM_SCALE_UP:
case ANIM_CLIP_REVEAL:
b.putInt(KEY_ANIM_START_X, mStartX);
b.putInt(KEY_ANIM_START_Y, mStartY);
b.putInt(KEY_ANIM_WIDTH, mWidth);
b.putInt(KEY_ANIM_HEIGHT, mHeight);
break;
case ANIM_THUMBNAIL_SCALE_UP:
case ANIM_THUMBNAIL_SCALE_DOWN:
case ANIM_THUMBNAIL_ASPECT_SCALE_UP:
case ANIM_THUMBNAIL_ASPECT_SCALE_DOWN:
// Once we parcel the thumbnail for transfering over to the system, create a copy of
// the bitmap to a hardware bitmap and pass through the GraphicBuffer
if (mThumbnail != null) {
final Bitmap hwBitmap = mThumbnail.copy(Config.HARDWARE, false /* isMutable */);
if (hwBitmap != null) {
b.putParcelable(KEY_ANIM_THUMBNAIL, hwBitmap.createGraphicBufferHandle());
} else {
Slog.w(TAG, "Failed to copy thumbnail");
}
}
b.putInt(KEY_ANIM_START_X, mStartX);
b.putInt(KEY_ANIM_START_Y, mStartY);
b.putInt(KEY_ANIM_WIDTH, mWidth);
b.putInt(KEY_ANIM_HEIGHT, mHeight);
b.putBinder(KEY_ANIM_START_LISTENER, mAnimationStartedListener
!= null ? mAnimationStartedListener.asBinder() : null);
break;
case ANIM_SCENE_TRANSITION:
if (mTransitionReceiver != null) {
b.putParcelable(KEY_TRANSITION_COMPLETE_LISTENER, mTransitionReceiver);
}
b.putBoolean(KEY_TRANSITION_IS_RETURNING, mIsReturning);
b.putStringArrayList(KEY_TRANSITION_SHARED_ELEMENTS, mSharedElementNames);
b.putParcelable(KEY_RESULT_DATA, mResultData);
b.putInt(KEY_RESULT_CODE, mResultCode);
b.putInt(KEY_EXIT_COORDINATOR_INDEX, mExitCoordinatorIndex);
break;
}
b.putInt(KEY_LAUNCH_DISPLAY_ID, mLaunchDisplayId);
b.putInt(KEY_LAUNCH_STACK_ID, mLaunchStackId);
b.putInt(KEY_LAUNCH_TASK_ID, mLaunchTaskId);
b.putBoolean(KEY_TASK_OVERLAY, mTaskOverlay);
b.putBoolean(KEY_TASK_OVERLAY_CAN_RESUME, mTaskOverlayCanResume);
b.putInt(KEY_DOCK_CREATE_MODE, mDockCreateMode);
if (mAnimSpecs != null) {
b.putParcelableArray(KEY_ANIM_SPECS, mAnimSpecs);
}
if (mAnimationFinishedListener != null) {
b.putBinder(KEY_ANIMATION_FINISHED_LISTENER, mAnimationFinishedListener.asBinder());
}
if (mSpecsFuture != null) {
b.putBinder(KEY_SPECS_FUTURE, mSpecsFuture.asBinder());
}
b.putInt(KEY_ROTATION_ANIMATION_HINT, mRotationAnimationHint);
if (mAppVerificationBundle != null) {
b.putBundle(KEY_INSTANT_APP_VERIFICATION_BUNDLE, mAppVerificationBundle);
}
return b;
}
/**
* Ask the the system track that time the user spends in the app being launched, and
* report it back once done. The report will be sent to the given receiver, with
* the extras {@link #EXTRA_USAGE_TIME_REPORT} and {@link #EXTRA_USAGE_TIME_REPORT_PACKAGES}
* filled in.
*
* <p>The time interval tracked is from launching this activity until the user leaves
* that activity's flow. They are considered to stay in the flow as long as
* new activities are being launched or returned to from the original flow,
* even if this crosses package or task boundaries. For example, if the originator
* starts an activity to view an image, and while there the user selects to share,
* which launches their email app in a new task, and they complete the share, the
* time during that entire operation will be included until they finally hit back from
* the original image viewer activity.</p>
*
* <p>The user is considered to complete a flow once they switch to another
* activity that is not part of the tracked flow. This may happen, for example, by
* using the notification shade, launcher, or recents to launch or switch to another
* app. Simply going in to these navigation elements does not break the flow (although
* the launcher and recents stops time tracking of the session); it is the act of
* going somewhere else that completes the tracking.</p>
*
* @param receiver A broadcast receiver that willl receive the report.
*/
public void requestUsageTimeReport(PendingIntent receiver) {
mUsageTimeReport = receiver;
}
/**
* Return the filtered options only meant to be seen by the target activity itself
* @hide
*/
public ActivityOptions forTargetActivity() {
if (mAnimationType == ANIM_SCENE_TRANSITION) {
final ActivityOptions result = new ActivityOptions();
result.update(this);
return result;
}
return null;
}
/**
* Returns the rotation animation set by {@link setRotationAnimationHint} or -1
* if unspecified.
* @hide
*/
public int getRotationAnimationHint() {
return mRotationAnimationHint;
}
/**
* Set a rotation animation to be used if launching the activity
* triggers an orientation change, or -1 to clear. See
* {@link android.view.WindowManager.LayoutParams} for rotation
* animation values.
* @hide
*/
public void setRotationAnimationHint(int hint) {
mRotationAnimationHint = hint;
}
/**
* Pop the extra verification bundle for the installer.
* This removes the bundle from the ActivityOptions to make sure the installer bundle
* is only available once.
* @hide
*/
public Bundle popAppVerificationBundle() {
Bundle out = mAppVerificationBundle;
mAppVerificationBundle = null;
return out;
}
/**
* Set the {@link Bundle} that is provided to the app installer for additional verification
* if the call to {@link Context#startActivity} results in an app being installed.
*
* This Bundle is not provided to any other app besides the installer.
*/
public ActivityOptions setAppVerificationBundle(Bundle bundle) {
mAppVerificationBundle = bundle;
return this;
}
/** @hide */
@Override
public String toString() {
return "ActivityOptions(" + hashCode() + "), mPackageName=" + mPackageName
+ ", mAnimationType=" + mAnimationType + ", mStartX=" + mStartX + ", mStartY="
+ mStartY + ", mWidth=" + mWidth + ", mHeight=" + mHeight;
}
private static class HideWindowListener extends TransitionListenerAdapter
implements ExitTransitionCoordinator.HideSharedElementsCallback {
private final Window mWindow;
private final ExitTransitionCoordinator mExit;
private final boolean mWaitingForTransition;
private boolean mTransitionEnded;
private boolean mSharedElementHidden;
private ArrayList<View> mSharedElements;
public HideWindowListener(Window window, ExitTransitionCoordinator exit) {
mWindow = window;
mExit = exit;
mSharedElements = new ArrayList<>(exit.mSharedElements);
Transition transition = mWindow.getExitTransition();
if (transition != null) {
transition.addListener(this);
mWaitingForTransition = true;
} else {
mWaitingForTransition = false;
}
View decorView = mWindow.getDecorView();
if (decorView != null) {
if (decorView.getTag(com.android.internal.R.id.cross_task_transition) != null) {
throw new IllegalStateException(
"Cannot start a transition while one is running");
}
decorView.setTagInternal(com.android.internal.R.id.cross_task_transition, exit);
}
}
@Override
public void onTransitionEnd(Transition transition) {
mTransitionEnded = true;
hideWhenDone();
transition.removeListener(this);
}
@Override
public void hideSharedElements() {
mSharedElementHidden = true;
hideWhenDone();
}
private void hideWhenDone() {
if (mSharedElementHidden && (!mWaitingForTransition || mTransitionEnded)) {
mExit.resetViews();
int numSharedElements = mSharedElements.size();
for (int i = 0; i < numSharedElements; i++) {
View view = mSharedElements.get(i);
view.requestLayout();
}
View decorView = mWindow.getDecorView();
if (decorView != null) {
decorView.setTagInternal(
com.android.internal.R.id.cross_task_transition, null);
decorView.setVisibility(View.GONE);
}
}
}
}
}