@Override
public void selfDestruct() {
mTextFontInterfaceRef.clear();
mTextFontInterfaceRef = null;
GoSettingControler controler = GOLauncherApp.getSettingControler();
controler.unRegisterObserver(this);
controler = null;
}
@Override
public void selfConstruct() {
GoSettingControler controler = GOLauncherApp.getSettingControler();
if (null != controler) {
controler.registerObserver(this);
initTypeface(
controler.getUsedFontBean().mFontTypeface, controler.getUsedFontBean().mFontStyle);
}
}
/**
* 调整壁纸尺寸的方法，只要是针对壁纸放大的问题（用户当前是可滚，但是选择壁纸时却是单屏，这时候设回为单屏）
*
* @param wallpaperManager
* @return
*/
public static boolean adjustWallpaperDimension(WallpaperManager wallpaperManager) {
// 是否进行调整的结果
boolean result = false;
if (wallpaperManager == null) {
wallpaperManager = WallpaperManager.getInstance(GOLauncherApp.getContext());
}
try {
Method method = wallpaperManager.getClass().getMethod("getIWallpaperManager");
Object iWallpaperManager = method.invoke(wallpaperManager);
// Class IWallpaperManager = iWallpaperManager.getClass();
Class iWallpaperManagerClass = Class.forName("android.app.IWallpaperManager");
Field field = wallpaperManager.getClass().getDeclaredField("sGlobals");
field.setAccessible(true);
Object globals = field.get(wallpaperManager);
Class[] arrayOfClass =
new Class[] {Class.forName("android.app.IWallpaperManagerCallback"), Bundle.class};
method = iWallpaperManagerClass.getDeclaredMethod("getWallpaper", arrayOfClass);
method.setAccessible(true);
Bundle params = new Bundle();
ParcelFileDescriptor fd =
(ParcelFileDescriptor) method.invoke(iWallpaperManager, new Object[] {globals, params});
if (fd != null) {
final int width = params.getInt("width", 0);
final int height = params.getInt("height", 0);
try {
BitmapFactory.Options options = new BitmapFactory.Options();
Bitmap bm = BitmapFactory.decodeFileDescriptor(fd.getFileDescriptor(), null, options);
final int bitWidth = bm.getWidth();
final int bitHeight = bm.getHeight();
GoSettingControler settingControler = GOLauncherApp.getSettingControler();
ScreenSettingInfo screenSettingInfo =
GOLauncherApp.getSettingControler().getScreenSettingInfo();
if (bitWidth == width / 2 && screenSettingInfo.mWallpaperScroll) {
screenSettingInfo.mWallpaperScroll = false;
result = true;
}
// else if(bitWidth == width * 2 &&
// !screenSettingInfo.mWallpaperScroll){
// screenSettingInfo.mWallpaperScroll = true;
// result = true;
// }
if (result) {
// 把屏幕是否可滚写进数据库
settingControler.updateScreenSettingInfo(screenSettingInfo, false);
WallpaperDensityUtil.setWallpaperDimension(GoLauncher.getContext());
}
} catch (OutOfMemoryError e) {
result = false;
} finally {
try {
fd.close();
} catch (IOException e) {
result = false;
}
}
}
} catch (Throwable e) {
Log.v("System.out.print", e.toString());
result = false;
}
return result;
} // end adjustWallpaperDimension