Framework implementation of go/widgets-dynamic-colors (4219de7d) · Commits · e / os / android_frameworks_base

core/api/current.txt

+2 −0

Original line number	Diff line number	Diff line
		@@ -8371,7 +8371,9 @@ package android.appwidget {
		method protected android.view.View getDefaultView();
		method protected android.view.View getErrorView();
		method protected void prepareView(android.view.View);
		method public void resetColorResources();
		method public void setAppWidget(int, android.appwidget.AppWidgetProviderInfo);
		method public void setColorResources(@NonNull android.util.SparseIntArray);
		method public void setCurrentSize(@NonNull android.graphics.PointF);
		method public void setExecutor(java.util.concurrent.Executor);
		method public void setOnLightBackground(boolean);

core/java/android/appwidget/AppWidgetHostView.java

+61 −8

Original line number	Diff line number	Diff line
		@@ -40,6 +40,7 @@ import android.util.AttributeSet;
		import android.util.Log;
		import android.util.Pair;
		import android.util.SparseArray;
		import android.util.SparseIntArray;
		import android.view.Gravity;
		import android.view.LayoutInflater;
		import android.view.View;
		@@ -92,7 +93,10 @@ public class AppWidgetHostView extends FrameLayout {
		int mLayoutId = -1;
		private InteractionHandler mInteractionHandler;
		private boolean mOnLightBackground;
		PointF mCurrentSize = null;
		private PointF mCurrentSize = null;
		private RemoteViews.ColorResources mColorResources = null;
		// Stores the last remote views last inflated.
		private RemoteViews mLastInflatedRemoteViews = null;

		private Executor mAsyncExecutor;
		private CancellationSignal mLastExecutionSignal;
		@@ -358,7 +362,7 @@ public class AppWidgetHostView extends FrameLayout {
		PointF newSize = new PointF(size.x - xPaddingDips, size.y - yPaddingDips);
		if (!newSize.equals(mCurrentSize)) {
		mCurrentSize = newSize;
		mLayoutId = -1; // Prevents recycling the view.
		reapplyLastRemoteViews();
		}
		}

		@@ -368,7 +372,7 @@ public class AppWidgetHostView extends FrameLayout {
		public void clearCurrentSize() {
		if (mCurrentSize != null) {
		mCurrentSize = null;
		mLayoutId = -1;
		reapplyLastRemoteViews();
		}
		}

		@@ -477,9 +481,17 @@ public class AppWidgetHostView extends FrameLayout {
		* AppWidget provider. Will animate into these new views as needed
		*/
		public void updateAppWidget(RemoteViews remoteViews) {
		this.mLastInflatedRemoteViews = remoteViews;
		applyRemoteViews(remoteViews, true);
		}

		/**
		* Reapply the last inflated remote views, or the default view is none was inflated.
		*/
		private void reapplyLastRemoteViews() {
		applyRemoteViews(mLastInflatedRemoteViews, true);
		}

		/**
		* @hide
		*/
		@@ -518,7 +530,8 @@ public class AppWidgetHostView extends FrameLayout {
		// layout matches, try recycling it
		if (content == null && layoutId == mLayoutId) {
		try {
		remoteViews.reapply(mContext, mView, mInteractionHandler);
		remoteViews.reapply(mContext, mView, mInteractionHandler, mCurrentSize,
		mColorResources);
		content = mView;
		recycled = true;
		if (LOGD) Log.d(TAG, "was able to recycle existing layout");
		@@ -530,7 +543,8 @@ public class AppWidgetHostView extends FrameLayout {
		// Try normal RemoteView inflation
		if (content == null) {
		try {
		content = remoteViews.apply(mContext, this, mInteractionHandler, mCurrentSize);
		content = remoteViews.apply(mContext, this, mInteractionHandler,
		mCurrentSize, mColorResources);
		if (LOGD) Log.d(TAG, "had to inflate new layout");
		} catch (RuntimeException e) {
		exception = e;
		@@ -583,7 +597,8 @@ public class AppWidgetHostView extends FrameLayout {
		mAsyncExecutor,
		new ViewApplyListener(remoteViews, layoutId, true),
		mInteractionHandler,
		mCurrentSize);
		mCurrentSize,
		mColorResources);
		} catch (Exception e) {
		// Reapply failed. Try apply
		}
		@@ -594,7 +609,8 @@ public class AppWidgetHostView extends FrameLayout {
		mAsyncExecutor,
		new ViewApplyListener(remoteViews, layoutId, false),
		mInteractionHandler,
		mCurrentSize);
		mCurrentSize,
		mColorResources);
		}
		}

		@@ -662,9 +678,13 @@ public class AppWidgetHostView extends FrameLayout {
		protected Context getRemoteContext() {
		try {
		// Return if cloned successfully, otherwise default
		return mContext.createApplicationContext(
		Context newContext = mContext.createApplicationContext(
		mInfo.providerInfo.applicationInfo,
		Context.CONTEXT_RESTRICTED);
		if (mColorResources != null) {
		mColorResources.apply(newContext);
		}
		return newContext;
		} catch (NameNotFoundException e) {
		Log.e(TAG, "Package name " + mInfo.providerInfo.packageName + " not found");
		return mContext;
		@@ -819,4 +839,37 @@ public class AppWidgetHostView extends FrameLayout {
		}
		};
		}

		/**
		* Set the dynamically overloaded color resources.
		*
		* {@code colorMapping} maps a predefined set of color resources to their ARGB
		* representation. Any entry not in the predefined set of colors will be ignored.
		*
		* Calling this method will trigger a full re-inflation of the App Widget.
		*
		* The color resources that can be overloaded are the ones whose name is prefixed with
		* {@code system_primary_}, {@code system_secondary_} or {@code system_neutral_}, for example
		* {@link android.R.color#system_primary_500}.
		*/
		public void setColorResources(@NonNull SparseIntArray colorMapping) {
		mColorResources = RemoteViews.ColorResources.create(mContext, colorMapping);
		mLayoutId = -1;
		reapplyLastRemoteViews();
		}

		/**
		* Reset the dynamically overloaded resources, reverting to the default values for
		* all the colors.
		*
		* If colors were defined before, calling this method will trigger a full re-inflation of the
		* App Widget.
		*/
		public void resetColorResources() {
		if (mColorResources != null) {
		mColorResources = null;
		mLayoutId = -1;
		reapplyLastRemoteViews();
		}
		}
		}