调用android动态壁纸的实例介绍

interface IWallpaperConnection {

void attachEngine(IWallpaperEngine engine);

ParcelFileDescriptor setWallpaper(String name);

}

oneway interface IWallpaperService {

void attach(IWallpaperConnection connection,

IBinder windowToken, int windowType, boolean isPreview,

int reqWidth, int reqHeight);

}

oneway interface IWallpaperEngine {

void setDesiredSize(int width, int height);

void setVisibility(boolean visible);

void dispatchPointer(in MotionEvent event);

void dispatchWallpaperCommand(String action, int x, int y, int z, in Bundle extras);

void destroy();

}

private WallpaperManager mWallpaperManager = null;

private WallpaperInfo mWallpaperInfo = null;

private WallpaperConnection mWallpaperConnection = null;

private Intent mWallpaperIntent;

mWallpaperManager = WallpaperManager.getInstance(this);

mWallpaperInfo = mWallpaperManager.getWallpaperInfo();//如果返回null则说明当前不是动态壁纸

mWallpaperIntent = new Intent(WallpaperService.SERVICE_INTERFACE);

mWallpaperIntent.setClassName(mWallpaperInfo.getPackageName(), mWallpaperInfo.getServiceName());

bindService(mIntent, this, Context.BIND_AUTO_CREATE);

IWallpaperService mService;//这里有一个adil接口

public void onServiceConnected(ComponentName name, IBinder service) {

mService = IWallpaperService.Stub.asInterface(service);

try {

mService.attach(this, view.getWindowToken(),

// WindowManager.LayoutParams.TYPE_APPLICATION_MEDIA_OVERLAY,
WindowManager.LayoutParams.TYPE_APPLICATION_MEDIA,

true, root.getWidth(), root.getHeight());

} catch (RemoteException e) {

Log.w("", "Failed attaching wallpaper; clearing", e);
}
}