Adding workaround to prevent flicker in Recents when resizing. (b4953001) · Commits · e / os / android_frameworks_base

packages/SystemUI/src/com/android/systemui/recents/RecentsActivity.java

+0 −4

Original line number	Diff line number	Diff line
		@@ -425,10 +425,6 @@ public class RecentsActivity extends Activity implements ViewTreeObserver.OnPreD
		EventBus.getDefault().send(new EnterRecentsWindowAnimationCompletedEvent());
		}

		if (!launchState.launchedHasConfigurationChanged) {
		mRecentsView.disableLayersForOneFrame();
		}

		// Notify that recents is now visible
		SystemServicesProxy ssp = Recents.getSystemServices();
		EventBus.getDefault().send(new RecentsVisibilityChangedEvent(this, ssp, true));

packages/SystemUI/src/com/android/systemui/recents/views/RecentsView.java

+0 −6

Original line number	Diff line number	Diff line
		@@ -443,12 +443,6 @@ public class RecentsView extends FrameLayout implements TaskStackView.TaskStackV
		return super.verifyDrawable(who);
		}

		public void disableLayersForOneFrame() {
		if (mTaskStackView != null) {
		mTaskStackView.disableLayersForOneFrame();
		}
		}

		/** TaskStackView.TaskStackCallbacks Implementation **/

		@Override

packages/SystemUI/src/com/android/systemui/recents/views/TaskStackView.java

+0 −17

Original line number	Diff line number	Diff line
		@@ -127,7 +127,6 @@ public class TaskStackView extends FrameLayout implements TaskStack.TaskStackCal
		List<TaskView> mImmutableTaskViews = new ArrayList<>();
		List<TaskView> mTmpTaskViews = new ArrayList<>();
		LayoutInflater mInflater;
		boolean mLayersDisabled;
		boolean mTouchExplorationEnabled;

		Interpolator mFastOutSlowInInterpolator;
		@@ -462,9 +461,6 @@ public class TaskStackView extends FrameLayout implements TaskStack.TaskStackCal
		Log.d(TAG, "picking up from pool: " + task.key);
		}
		tv = mViewPool.pickUpViewFromPool(task, task);
		if (mLayersDisabled) {
		tv.disableLayersForOneFrame();
		}
		} else {
		// Reattach it in the right z order
		detachViewFromParent(tv);
		@@ -500,9 +496,6 @@ public class TaskStackView extends FrameLayout implements TaskStack.TaskStackCal

		if (tv == null) {
		tv = mViewPool.pickUpViewFromPool(task, task);
		if (mLayersDisabled) {
		tv.disableLayersForOneFrame();
		}
		if (mStackViewsAnimationDuration > 0) {
		// For items in the list, put them in start animating them from the
		// approriate ends of the list where they are expected to appear
		@@ -1147,8 +1140,6 @@ public class TaskStackView extends FrameLayout implements TaskStack.TaskStackCal

		@Override
		protected void dispatchDraw(Canvas canvas) {
		mLayersDisabled = false;

		// Draw the freeform workspace background
		SystemServicesProxy ssp = Recents.getSystemServices();
		if (ssp.hasFreeformWorkspaceSupport()) {
		@@ -1160,14 +1151,6 @@ public class TaskStackView extends FrameLayout implements TaskStack.TaskStackCal
		super.dispatchDraw(canvas);
		}

		public void disableLayersForOneFrame() {
		mLayersDisabled = true;
		List<TaskView> taskViews = getTaskViews();
		for (int i = 0; i < taskViews.size(); i++) {
		taskViews.get(i).disableLayersForOneFrame();
		}
		}

		/**
		* Launches the freeform tasks.
		*/

packages/SystemUI/src/com/android/systemui/recents/views/TaskView.java

+0 −4

Original line number	Diff line number	Diff line
		@@ -659,10 +659,6 @@ public class TaskView extends FrameLayout implements Task.TaskCallbacks,
		}
		}

		public void disableLayersForOneFrame() {
		mHeaderView.disableLayersForOneFrame();
		}

		/** TaskCallbacks Implementation **/

		/** Binds this task view to the task */

packages/SystemUI/src/com/android/systemui/recents/views/TaskViewHeader.java

+7 −29

Original line number	Diff line number	Diff line
		@@ -80,13 +80,10 @@ public class TaskViewHeader extends FrameLayout

		// Header dim, which is only used when task view hardware layers are not used
		Paint mDimLayerPaint = new Paint();
		PorterDuffColorFilter mDimColorFilter = new PorterDuffColorFilter(0, PorterDuff.Mode.SRC_ATOP);

		Interpolator mFastOutSlowInInterpolator;
		Interpolator mFastOutLinearInInterpolator;

		boolean mLayersDisabled;

		public TaskViewHeader(Context context) {
		this(context, null);
		}
		@@ -111,6 +108,7 @@ public class TaskViewHeader extends FrameLayout
		});

		// Load the dismiss resources
		mDimLayerPaint.setColor(Color.argb(0, 0, 0, 0));
		mLightDismissDrawable = context.getDrawable(R.drawable.recents_dismiss_light);
		mDarkDismissDrawable = context.getDrawable(R.drawable.recents_dismiss_dark);
		mDismissContentDescription =
		@@ -173,21 +171,13 @@ public class TaskViewHeader extends FrameLayout
		canvas.restoreToCount(count);
		}

		@Override
		public boolean hasOverlappingRendering() {
		return false;
		}

		/**
		* Sets the dim alpha, only used when we are not using hardware layers.
		* (see RecentsConfiguration.useHardwareLayers)
		*/
		void setDimAlpha(int alpha) {
		mDimColorFilter.setColor(Color.argb(alpha, 0, 0, 0));
		mDimLayerPaint.setColorFilter(mDimColorFilter);
		if (!mLayersDisabled) {
		setLayerType(LAYER_TYPE_HARDWARE, mDimLayerPaint);
		}
		mDimLayerPaint.setColor(Color.argb(alpha, 0, 0, 0));
		invalidate();
		}

		/** Returns the secondary color for a primary color. */
		@@ -341,23 +331,11 @@ public class TaskViewHeader extends FrameLayout
		@Override
		protected void dispatchDraw(Canvas canvas) {
		super.dispatchDraw(canvas);
		if (mLayersDisabled) {
		mLayersDisabled = false;
		postOnAnimation(new Runnable() {
		@Override
		public void run() {
		mLayersDisabled = false;
		setLayerType(LAYER_TYPE_HARDWARE, mDimLayerPaint);
		}
		});
		}
		}

		public void disableLayersForOneFrame() {
		mLayersDisabled = true;

		// Disable layer for a frame so we can draw our first frame faster.
		setLayerType(LAYER_TYPE_NONE, null);
		// Draw the thumbnail with the rounded corners
		canvas.drawRoundRect(0, 0, getWidth(), getHeight(),
		mCornerRadius,
		mCornerRadius, mDimLayerPaint);
		}

		/** Notifies the associated TaskView has been focused. */