釋放雙眼，帶上耳機(jī)，聽聽看~！

代碼中有用到兩個接口

IWallpaperService mService;

IWallpaperEngine mEngine;

我們可以看到該目錄下面有三個aidl接口，分別是

復(fù)制代碼 代碼如下:

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();

}

定義壁紙管理和壁紙信息變量

復(fù)制代碼 代碼如下:

private WallpaperManager mWallpaperManager = null;

private WallpaperInfo mWallpaperInfo = null;

private WallpaperConnection mWallpaperConnection = null;

private Intent mWallpaperIntent;

初始化這些變量

復(fù)制代碼 代碼如下:

mWallpaperManager = WallpaperManager.getInstance(this);

mWallpaperInfo = mWallpaperManager.getWallpaperInfo();//如果返回null則說明當(dāng)前不是動態(tài)壁紙

mWallpaperIntent = new Intent(WallpaperService.SERVICE_INTERFACE);

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

綁定動態(tài)壁紙服務(wù)

復(fù)制代碼 代碼如下:

bindService(mIntent, this, Context.BIND_AUTO_CREATE);

IWallpaperService mService;//這里有一個adil接口

在連接監(jiān)聽中試著attach

復(fù)制代碼 代碼如下:

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);

}

}

總結(jié)

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