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Android O版本进入SystemUI Keyguard界面下部分黑屏1s 问题
修改：
--- a/alps/vendor/mediatek/proprietary/packages/apps/SystemUI/src/com/android/systemui/ImageWallpaper.java
+++ b/alps/vendor/mediatek/proprietary/packages/apps/SystemUI/src/com/android/systemui/ImageWallpaper.java
@@ -84,6 +84,7 @@ public class ImageWallpaper extends WallpaperService {
DrawableEngine mEngine;
boolean mIsHwAccelerated;
+ boolean loadWallpaperPending = false;//KCM added by kamari
@Override
public void onCreate() {
@@ -507,87 +508,144 @@ public class ImageWallpaper extends WallpaperService {
*
* If {@param needsReset} is set also clears the cache in WallpaperManager first.
*/
+ //modified start for Boot into the black screen in the lower half of Keyguard
+ //private void loadWallpaper(boolean needsDraw, boolean needsReset) {
+ // mNeedsDrawAfterLoadingWallpaper |= needsDraw;
+ // if (mLoader != null) {
+ // if (needsReset) {
+ // mLoader.cancel(false /* interrupt */);
+ // mLoader = null;
+ // } else {
+ // if (DEBUG) {
+ // Log.d(TAG, "Skipping loadWallpaper, already in flight ");
+ // }
+ // return;
+ // }
+ // }
+ // mLoader = new AsyncTask<Void, Void, Bitmap>() {
+ // @Override
+ // protected Bitmap doInBackground(Void... params) {
+ // Throwable exception;
+ // try {
+ // if (needsReset) {
+ // mWallpaperManager.forgetLoadedWallpaper();
+ // }
+ // return mWallpaperManager.getBitmap();
+ // } catch (RuntimeException | OutOfMemoryError e) {
+ // exception = e;
+ // }
+ //
+ // if (isCancelled()) {
+ // return null;
+ // }
+ //
+ // if (exception != null) {
+ // // Note that if we do fail at this, and the default wallpaper can't
+ // // be loaded, we will go into a cycle. Don't do a build where the
+ // // default wallpaper can't be loaded.
+ // Log.w(TAG, "Unable to load wallpaper!", exception);
+ // try {
+ // mWallpaperManager.clear();
+ // } catch (IOException ex) {
+ // // now we're really screwed.
+ // Log.w(TAG, "Unable reset to default wallpaper!", ex);
+ // }
+ //
+ // if (isCancelled()) {
+ // return null;
+ // }
+ //
+ // try {
+ // return mWallpaperManager.getBitmap();
+ // } catch (RuntimeException | OutOfMemoryError e) {
+ // Log.w(TAG, "Unable to load default wallpaper!", e);
+ // }
+ // }
+ // return null;
+ // }
+ //
+ // @Override
+ // protected void onPostExecute(Bitmap b) {
+ // mBackground = null;
+ // mBackgroundWidth = -1;
+ // mBackgroundHeight = -1;
+ //
+ // if (b != null) {
+ // mBackground = b;
+ // mBackgroundWidth = mBackground.getWidth();
+ // mBackgroundHeight = mBackground.getHeight();
+ // }
+ //
+ // if (DEBUG) {
+ // Log.d(TAG, "Wallpaper loaded: " + mBackground);
+ // }
+ // updateSurfaceSize(getSurfaceHolder(), getDefaultDisplayInfo(),
+ // false /* forDraw */);
+ // if (mNeedsDrawAfterLoadingWallpaper) {
+ // drawFrame();
+ // }
+ //
+ // mLoader = null;
+ // mNeedsDrawAfterLoadingWallpaper = false;
+ // }
+ // }.executeOnExecutor(AsyncTask.THREAD_POOL_EXECUTOR);
+ //}
+
+ private void loadWallpaper(boolean needsDraw, boolean needsReset) {
+ mNeedsDrawAfterLoadingWallpaper |= needsDraw;
+ if(!loadWallpaperPending){
+ loadWallpaperPending = true;
+ mBackground = null;
+ mBackgroundWidth = -1;
+ mBackgroundHeight = -1;
+ Bitmap bt = null;
+ Throwable exception = null;
+ try {
+ if (needsReset) {
+ mWallpaperManager.forgetLoadedWallpaper();
+ }
+ bt = mWallpaperManager.getBitmap();
+ } catch (RuntimeException | OutOfMemoryError e) {
+ exception = e;
+ }
+ if (exception != null) {
+ // Note that if we do fail at this, and the default wallpaper can't
+ // be loaded, we will go into a cycle. Don't do a build where the
+ // default wallpaper can't be loaded.
+ Log.w(TAG, "Unable to load wallpaper!", exception);
+ try {
+ mWallpaperManager.clear();
+ } catch (IOException ex) {
+ // now we're really screwed.
+ Log.w(TAG, "Unable reset to default wallpaper!", ex);
+ }
+ try {
+ bt = mWallpaperManager.getBitmap();
+ } catch (RuntimeException | OutOfMemoryError e) {
+ Log.w(TAG, "Unable to load default wallpaper!", e);
+ }
+ }
+ if (bt != null) {
+ mBackground = bt;
+ mBackgroundWidth = mBackground.getWidth();
+ mBackgroundHeight = mBackground.getHeight();
+ }
+ loadWallpaperPending = false;
+
+ if (DEBUG) {
+ Log.d(TAG, "Wallpaper loaded: " + mBackground);
+ }
+ updateSurfaceSize(getSurfaceHolder(), getDefaultDisplayInfo(),false /* forDraw */);
+ if (needsDraw) {
+ drawFrame();
+ }
+ }else{
+ if (DEBUG) {
+ Log.d(TAG, "Skipping loadWallpaper, already in flight ");
+ }
+ return;
+ }
+ }
private void unloadWallpaper(boolean forgetSize) {
if (mLoader != null) {
@@ -608,6 +666,7 @@ public class ImageWallpaper extends WallpaperService {
}
}.executeOnExecutor(AsyncTask.THREAD_POOL_EXECUTOR);
}
+ //modified eng for Boot into the black screen in the lower half of Keyguard