ライブ壁紙を設定することはできません

Question

私は既にこれを尋ねましたが、android.stackexchange.comに移行され、そこにはofftopicとして閉じられました。 ここでもう一度やります：

私は単純なライブ壁紙を作った。プレビューで私はそれを見ることができますが、私がライブ壁紙として設定しようとすると、そこに古い壁紙が残っています。

アイデア？

のAndroidManifest.xml

<?xml version="1.0" encoding="utf-8"?> 
<manifest xmlns:android="http://schemas.android.com/apk/res/android" 
     package="com.localfotos" 
     android:versionCode="1" 
     android:versionName="1.0"> 
    <uses-sdk android:minSdkVersion="7" /> 

    <uses-feature android:name="android.software.live_wallpaper" /> 

    <application android:icon="@drawable/icon" android:label="@string/app_name"> 

     <service android:name=".MyWallpaperService" 
      android:label="@string/app_name" 
      android:icon="@drawable/icon"> 

      <intent-filter> 
       <action android:name="android.service.wallpaper.WallpaperService" /> 
      </intent-filter> 
      <meta-data android:name="android.service.wallpaper" 
       android:resource="@xml/livewallpaper" /> 

     </service> 

    </application> 
</manifest> 

livewallpaper.xml

<wallpaper xmlns:android="http://schemas.android.com/apk/res/android" 
/> 

MyWallpaperService.java

package com.localfotos; 

import android.service.wallpaper.WallpaperService; 
import android.view.MotionEvent; 
import android.view.SurfaceHolder; 

public class MyWallpaperService extends WallpaperService { 

    @Override 
    public Engine onCreateEngine() { 
     return new MyEngine(); 
    } 

    @Override 
    public void onCreate() { 
     super.onCreate(); 
    } 

    @Override 
    public void onDestroy() { 
     super.onDestroy(); 
    } 

    public class MyEngine extends Engine { 

     private MyWallpaperPainting painting; 

     MyEngine() { 
      SurfaceHolder holder = getSurfaceHolder(); 
      painting = new MyWallpaperPainting(holder, 
       getApplicationContext()); 
     } 

     @Override 
     public void onCreate(SurfaceHolder surfaceHolder) { 
      super.onCreate(surfaceHolder); 
      // register listeners and callbacks here 
      setTouchEventsEnabled(true); 
     } 

     @Override 
     public void onDestroy() { 
      super.onDestroy(); 
      // remove listeners and callbacks here 
      painting.stopPainting(); 
     } 

     @Override 
     public void onVisibilityChanged(boolean visible) { 
      if (visible) { 
       // register listeners and callbacks here 
       painting.resumePainting(); 
      } else { 
       // remove listeners and callbacks here 
       painting.pausePainting(); 
      } 
     } 

     @Override 
     public void onSurfaceChanged(SurfaceHolder holder, int format, 
       int width, int height) { 
      super.onSurfaceChanged(holder, format, width, height); 
      painting.setSurfaceSize(width, height); 
     } 

     @Override 
     public void onSurfaceCreated(SurfaceHolder holder) { 
      super.onSurfaceCreated(holder); 
      // start painting 
      painting.start(); 
     } 

     @Override 
     public void onSurfaceDestroyed(SurfaceHolder holder) { 
      super.onSurfaceDestroyed(holder); 
      boolean retry = true; 
      painting.stopPainting(); 
      while (retry) { 
       try { 
        painting.join(); 
        retry = false; 
       } catch (InterruptedException e) {} 
      } 
     } 

     @Override 
     public void onOffsetsChanged(float xOffset, float yOffset, 
       float xStep, float yStep, int xPixels, int yPixels) { 
     } 

     @Override 
     public void onTouchEvent(MotionEvent event) { 
      super.onTouchEvent(event); 
      painting.doTouchEvent(event); 
     } 

    } 

} 

MyWallpaperPainting.java

package com.localfotos; 

import android.content.Context; 
import android.graphics.Canvas; 
import android.graphics.Paint; 
import android.graphics.Path; 
import android.util.Log; 
import android.view.MotionEvent; 
import android.view.SurfaceHolder; 

public class MyWallpaperPainting extends Thread { 
    private static final String TAG = "MyWallpaperPainting"; 


    /** Reference to the View and the context */ 
    private SurfaceHolder surfaceHolder; 
    private Context context; 

    /** State */ 
    private boolean wait; 
    private boolean run; 

    /** Dimensions */ 
    private int width; 
    private int height; 

    /** Time tracking */ 
    private long previousTime; 
    private long currentTime; 

    public MyWallpaperPainting(SurfaceHolder surfaceHolder, Context context) { 
     // keep a reference of the context and the surface 
     // the context is needed if you want to inflate 
     // some resources from your livewallpaper .apk 
     this.surfaceHolder = surfaceHolder; 
     this.context = context; 
     // don't animate until surface is created and displayed 
     this.wait = true; 
    } 

    /** 
    * Pauses the live wallpaper animation 
    */ 
    public void pausePainting() { 
     this.wait = true; 
     synchronized(this) { 
      this.notify(); 
     } 
    } 

    /** 
    * Resume the live wallpaper animation 
    */ 
    public void resumePainting() { 
     this.wait = false; 
     synchronized(this) { 
      this.notify(); 
     } 
    } 

    /** 
    * Stop the live wallpaper animation 
    */ 
    public void stopPainting() { 
     this.run = false; 
     synchronized(this) { 
      this.notify(); 
     } 
    } 

    @Override 
    public void run() { 
     this.run = true; 
     Canvas c = null; 
     while (run) { 
      try { 
       c = this.surfaceHolder.lockCanvas(null); 
       synchronized (this.surfaceHolder) { 
        currentTime = System.currentTimeMillis(); 
        updatePhysics(); 
        doDraw(c); 
        previousTime = currentTime; 
       } 
      } finally { 
       if (c != null) { 
        this.surfaceHolder.unlockCanvasAndPost(c); 
       } 
      } 
      // pause if no need to animate 
      synchronized (this) { 
       if (wait) { 
        try { 
         wait(); 
        } catch (Exception e) {} 
       } 
      } 

     synchronized (this){  
      try{ 
       wait(1000); 
      }catch (InterruptedException e){} 
     } 
     } 
    } 

    /** 
    * Invoke when the surface dimension change 
    */ 
    public void setSurfaceSize(int width, int height) { 
     this.width = width; 
     this.height = height; 
     synchronized(this) { 
      this.notify(); 
     } 
    } 

    /** 
    * Invoke while the screen is touched 
    */ 
    public void doTouchEvent(MotionEvent event) { 
     // handle the event here 
     // if there is something to animate 
     // then wake up 
     this.wait = false; 
     synchronized(this) { 
      notify(); 
     } 
    } 

    /** 
    * Do the actual drawing stuff 
    */ 
    private void doDraw(Canvas canvas) { 
     /** 
     * Update the animation, sprites or whatever. 
     * If there is nothing to animate set the wait 
     * attribute of the thread to true 
     */ 

      Paint mPaint = new Paint(); 
      mPaint.setDither(true); 
      mPaint.setColor(0xFFFFFF00); 
      mPaint.setStyle(Paint.Style.STROKE); 
      mPaint.setStrokeJoin(Paint.Join.ROUND); 
      mPaint.setStrokeCap(Paint.Cap.ROUND); 
      mPaint.setStrokeWidth(3); 

      Path path = new Path(); 
      path.lineTo(10, 100); 

      canvas.drawColor(0xFFFFFF00); 

      Log.d(TAG, "doDraw"); 

    } 

    private void updatePhysics() { 
     // if nothing was updated : 
     // this.wait = true; 
    } 

} 

Answer 1

マニフェストにBIND_WALLPAPER権限がありません。 SDKのCubeの例を参照してください。

android:permission="android.permission.BIND_WALLPAPER">