Merge "Unload wallpaper bitmap and release HwuiContext" into pi-dev (3844e1d8) · Commits · e / os / android_frameworks_base

core/java/android/app/WallpaperManager.java

+3 −0

Original line number	Diff line number	Diff line
		@@ -441,6 +441,9 @@ public class WallpaperManager {
		synchronized (this) {
		mCachedWallpaper = null;
		mCachedWallpaperUserId = 0;
		if (mDefaultWallpaper != null) {
		mDefaultWallpaper.recycle();
		}
		mDefaultWallpaper = null;
		}
		}

core/java/android/view/Surface.java

+12 −0

Original line number	Diff line number	Diff line
		@@ -249,6 +249,18 @@ public class Surface implements Parcelable {
		release();
		}

		/**
		* Destroys the HwuiContext without completely
		* releasing the Surface.
		* @hide
		*/
		public void hwuiDestroy() {
		if (mHwuiContext != null) {
		mHwuiContext.destroy();
		mHwuiContext = null;
		}
		}

		/**
		* Returns true if this object holds a valid surface.
		*

packages/SystemUI/src/com/android/systemui/ImageWallpaper.java

+17 −0

Original line number	Diff line number	Diff line
		@@ -24,11 +24,13 @@ import android.graphics.Rect;
		import android.graphics.RectF;
		import android.graphics.Region.Op;
		import android.os.AsyncTask;
		import android.os.Handler;
		import android.os.Trace;
		import android.service.wallpaper.WallpaperService;
		import android.util.Log;
		import android.view.Display;
		import android.view.DisplayInfo;
		import android.view.Surface;
		import android.view.SurfaceHolder;
		import android.view.WindowManager;

		@@ -45,6 +47,7 @@ public class ImageWallpaper extends WallpaperService {
		private static final String GL_LOG_TAG = "ImageWallpaperGL";
		private static final boolean DEBUG = false;
		private static final String PROPERTY_KERNEL_QEMU = "ro.kernel.qemu";
		private static final long DELAY_FORGET_WALLPAPER = 5000;

		private WallpaperManager mWallpaperManager;
		private DrawableEngine mEngine;
		@@ -69,6 +72,10 @@ public class ImageWallpaper extends WallpaperService {
		}

		class DrawableEngine extends Engine {
		private final Runnable mUnloadWallpaperCallback = () -> {
		unloadWallpaper(false /* forgetSize */);
		};

		Bitmap mBackground;
		int mBackgroundWidth = -1, mBackgroundHeight = -1;
		int mLastSurfaceWidth = -1, mLastSurfaceHeight = -1;
		@@ -331,6 +338,7 @@ public class ImageWallpaper extends WallpaperService {
		}

		drawWallpaperWithCanvas(sh, availw, availh, xPixels, yPixels);
		scheduleUnloadWallpaper();
		} finally {
		Trace.traceEnd(Trace.TRACE_TAG_VIEW);
		}
		@@ -433,6 +441,9 @@ public class ImageWallpaper extends WallpaperService {
		mBackgroundHeight = -1;
		}

		final Surface surface = getSurfaceHolder().getSurface();
		surface.hwuiDestroy();

		mLoader = new AsyncTask<Void, Void, Bitmap>() {
		@Override
		protected Bitmap doInBackground(Void... params) {
		@@ -442,6 +453,12 @@ public class ImageWallpaper extends WallpaperService {
		}.executeOnExecutor(AsyncTask.THREAD_POOL_EXECUTOR);
		}

		private void scheduleUnloadWallpaper() {
		Handler handler = getMainThreadHandler();
		handler.removeCallbacks(mUnloadWallpaperCallback);
		handler.postDelayed(mUnloadWallpaperCallback, DELAY_FORGET_WALLPAPER);
		}

		@Override
		protected void dump(String prefix, FileDescriptor fd, PrintWriter out, String[] args) {
		super.dump(prefix, fd, out, args);