Allow customization of background fade duration. (ed1e01d7) · Commits · e / os / android_frameworks_base

api/current.txt

+3 −0

Original line number	Diff line number	Diff line
		@@ -1343,6 +1343,7 @@ package android {
		field public static final int windowTitleBackgroundStyle = 16842844; // 0x101005c
		field public static final int windowTitleSize = 16842842; // 0x101005a
		field public static final int windowTitleStyle = 16842843; // 0x101005b
		field public static final int windowTransitionBackgroundFadeDuration = 16843875; // 0x1010463
		field public static final int windowTranslucentNavigation = 16843760; // 0x10103f0
		field public static final int windowTranslucentStatus = 16843759; // 0x10103ef
		field public static final int writePermission = 16842760; // 0x1010008
		@@ -33518,6 +33519,7 @@ package android.view {
		method public android.transition.Transition getSharedElementEnterTransition();
		method public android.transition.Transition getSharedElementExitTransition();
		method public abstract int getStatusBarColor();
		method public long getTransitionBackgroundFadeDuration();
		method public android.transition.TransitionManager getTransitionManager();
		method public abstract int getVolumeControlStream();
		method public android.view.WindowManager getWindowManager();
		@@ -33576,6 +33578,7 @@ package android.view {
		method public abstract void setStatusBarColor(int);
		method public abstract void setTitle(java.lang.CharSequence);
		method public abstract deprecated void setTitleColor(int);
		method public void setTransitionBackgroundFadeDuration(long);
		method public void setTransitionManager(android.transition.TransitionManager);
		method public void setType(int);
		method public void setUiOptions(int);

core/java/android/app/ActivityTransitionCoordinator.java

+4 −3

Original line number	Diff line number	Diff line
		@@ -129,9 +129,6 @@ abstract class ActivityTransitionCoordinator extends ResultReceiver {
		protected static final String KEY_SCALE_TYPE = "shared_element:scaleType";
		protected static final String KEY_IMAGE_MATRIX = "shared_element:imageMatrix";

		// The background fade in/out duration. TODO: Enable tuning this.
		public static final int FADE_BACKGROUND_DURATION_MS = 300;

		protected static final ImageView.ScaleType[] SCALE_TYPE_VALUES = ImageView.ScaleType.values();

		/**
		@@ -512,6 +509,10 @@ abstract class ActivityTransitionCoordinator extends ResultReceiver {
		return bundle;
		}

		protected long getFadeDuration() {
		return getWindow().getTransitionBackgroundFadeDuration();
		}

		/**
		* Captures placement information for Views with a shared element name for
		* Activity Transitions.

core/java/android/app/EnterTransitionCoordinator.java

+11 −10

Original line number	Diff line number	Diff line
		@@ -66,7 +66,8 @@ class EnterTransitionCoordinator extends ActivityTransitionCoordinator {
		Bundle resultReceiverBundle = new Bundle();
		resultReceiverBundle.putParcelable(KEY_REMOTE_RECEIVER, this);
		mResultReceiver.send(MSG_SET_REMOTE_RECEIVER, resultReceiverBundle);
		getDecor().getViewTreeObserver().addOnPreDrawListener(new ViewTreeObserver.OnPreDrawListener() {
		getDecor().getViewTreeObserver().addOnPreDrawListener(
		new ViewTreeObserver.OnPreDrawListener() {
		@Override
		public boolean onPreDraw() {
		if (mIsReadyForTransition) {
		@@ -315,7 +316,7 @@ class EnterTransitionCoordinator extends ActivityTransitionCoordinator {
		if (background != null) {
		background = background.mutate();
		mBackgroundAnimator = ObjectAnimator.ofInt(background, "alpha", 255);
		mBackgroundAnimator.setDuration(FADE_BACKGROUND_DURATION_MS);
		mBackgroundAnimator.setDuration(getFadeDuration());
		mBackgroundAnimator.addListener(new AnimatorListenerAdapter() {
		@Override
		public void onAnimationEnd(Animator animation) {

core/java/android/app/ExitTransitionCoordinator.java

+1 −1

Original line number	Diff line number	Diff line
		@@ -199,7 +199,7 @@ class ExitTransitionCoordinator extends ActivityTransitionCoordinator {
		}
		}
		});
		mBackgroundAnimator.setDuration(FADE_BACKGROUND_DURATION_MS);
		mBackgroundAnimator.setDuration(getFadeDuration());
		mBackgroundAnimator.start();
		}
		}

core/java/android/view/Window.java

+23 −0

Original line number	Diff line number	Diff line
		@@ -1515,6 +1515,29 @@ public abstract class Window {
		*/
		public boolean getAllowExitTransitionOverlap() { return true; }

		/**
		* Returns the duration, in milliseconds, of the window background fade
		* when transitioning into or away from an Activity when called with an Activity Transition.
		* <p>When executing the enter transition, the background starts transparent
		* and fades in. This requires {@link #FEATURE_CONTENT_TRANSITIONS}. The default is
		* 300 milliseconds.</p>
		* @return The duration of the window background fade to opaque during enter transition.
		* @see #getEnterTransition()
		*/
		public long getTransitionBackgroundFadeDuration() { return 0; }

		/**
		* Sets the duration, in milliseconds, of the window background fade
		* when transitioning into or away from an Activity when called with an Activity Transition.
		* <p>When executing the enter transition, the background starts transparent
		* and fades in. This requires {@link #FEATURE_CONTENT_TRANSITIONS}. The default is
		* 300 milliseconds.</p>
		* @param fadeDurationMillis The duration of the window background fade to or from opaque
		* during enter transition.
		* @see #setEnterTransition(android.transition.Transition)
		*/
		public void setTransitionBackgroundFadeDuration(long fadeDurationMillis) { }

		/**
		* @return the color of the status bar.
		*/