动态壁纸中的错误

本文介绍了动态壁纸中的错误的处理方法，对大家解决问题具有一定的参考价值，需要的朋友们下面随着小编来一起学习吧！ 问题描述 限时删除！！ 大家好， 我在活壁纸上收到错误请帮助我 我的代码是 壁纸引擎 公共类MywallpaperEngine扩展引擎{ //私人决赛DottedCircles circles = new DottedCircles（）; private final MovingBackGround circles1 = new MovingBackGround（ getApplication（））; private final runnable mRunnable = new Runnable（）{ public void run（）{ drawFrame（）; } }; private boolean mVisible = false; 私人长tapTime; 私人浮动tapX; 私人浮动tapY; public void onCreate（SurfaceHolder holder）{ super.onCreate（holder）; setTouchEventsEnabled（true）; } public void onDestroy（ ）{ super.onDestroy（）; mHandler.removeCallbacks（mRunnable）; } public void onVisibilityChanged（boolean visible）{ mVisible = visible; drawFrame（）; } public void onSurfaceChanged（SurfaceHolder holder，int format， int width，int height）{ super.onSurfaceChanged（持有人，格式，宽度，高度）; circles1.init（宽度，高度）; drawFrame（）; } public void onSurfaceDestroyed（SurfaceHolder holder）{ super.onSurfaceDestroyed（holder）; mVisible = false; 尝试 { 线程更新器= null; updater.join（） ; } catch（InterruptedException e） { } super.onSurfaceDestroyed（holder）; drawFrame（）; } / * * public void onOffsetsChanged（float xOffset，float yOffset，float * xStep，float yStep，int xPixels，int yPixels）{if（xPixels！= * circles.getOffset（））{circles。 setOffset（XPIXELS）; if（mVisible）{ * drawFrame（）; } $} * / public void onTouchEvent（MotionEvent事件）{ / * if（event） .getAction（）== MotionEvent.ACTION_DOWN）{ tapTime = event.getEventTime（）; tapX = event.getX（）; tapY = event.getY（）; }否则if（event.getAction（）== MotionEvent.ACTION_UP && event.getEventTime（） - tapTime < 250 && Math.abs（event.getX（） - tapX）< 4 && Math.abs（event.getY（ ） - tapY）< 4）{ // circles.add（tapX，tapY）; } * / } / * private void animate（）{ mHandler.removeCallbacks（mRunnable）; if（mVisible）{ drawFrame（）; mHandler.postDelayed（mRunnable，10）; } } * / private void drawFrame（）{ SurfaceHolder holder = getSurfaceHolder（）; Canvas ca nvas = null; 尝试{ canvas = holder.lockCanvas（）; if（canvas！= null）{ Log.d（call，+ canvas）; circles1.draw（canvas）; } } catch（NullPointerException异常） { Log.d（空指针，空指针）; } 最后{ if（canvas！= null）{ holder.unlockCanvasAndPost （画布）; } mHandler.removeCallbacks（mRunnable）; if（mVisible）{ // drawFrame（）; mHandler.postDelayed（mRunnable，10）; } } } } movingbackgroundclass public MovingBackGround（Context context）{ super（context）; bg = new BackgroundSelector（）; setWillNotDraw（f （b）b $ b私有上下文getApplication（）{ 返回null; } @Override protected void onDraw（Canvas canvas）{ super.onDraw（画布）; if（bg.click == 0） { backGround = BitmapFactory.decodeResource（getResources（）， R.drawable.b1）; } 否则if（bg.click == 1） { backGround = BitmapFactory。 decodeResource（getResources（）， R.drawable.b1）; } else if（bg.click == 2） { backGround = BitmapFactory.decodeResource（getResources（）， R.drawable.b2）; } doDrawRunning（画布）; invalidate（）; } @Override public void surfaceChanged（SurfaceHolder holde r，int format，int width， int height）{ } @Override public void surfaceCreated（SurfaceHolder holder）{ } @Override public void surfaceDestroyed（SurfaceHolder holder）{ } / ** *绘制游戏Canvas的当前状态。 * / private int mBGFarMoveX = 0; private int mBGNearMoveX = 0; private int width; private int height; private void doDrawRunning（Canvas帆布）{ int newFarX = backGround.getWidth（） - （-mBGFarMoveX）; BitmapFactory.Options options = new BitmapFactory.Options（）; Log.d（option ，+选项）; options.inPurgeable = true; 资源res = getResources（）; Log.d（rrrrrrrrr，+ bmp）; bmp = BitmapFactory.decodeResource（res，bmp1 [bgNumber]，options）; DisplayMetrics metrics1 = new DisplayMetrics（）; MovingBackGround context = this; metrics1 = context.getResources（）。getDisplayMetrics（）; float xScale =（float）canvas.getWidth（）/ bmp.getWidth （）; float yScale =（float）canvas.getHeight（）/ bmp.getHeight（）; float scale = Math.max（xScale，yScale）; //选择较大的尺寸来增长图像 // scale =（float）（scale * 1.1）; //这可以确保图像覆盖整个屏幕。 float scaledWidth = scale * bmp.getWidth（）; float scaledHeight = scale * bmp.getHeight（）; bmp = Bitmap.createScaledBitmap（bmp，（int）scaledWidth，（int）scaledHeight ，true）; float xScale1 =（float）canvas.getWidth（）/ backGround.getWidth（）; float yScale1 =（ float）canvas.getHeight（）/ backGround.getHeight（）; float scale1 = Math.max（xScale，yScale）; //选择较大的尺寸来增长图像 // scale =（float）（scale * 1.1）; //这可以确保图像覆盖整个屏幕。 float scaledWidth1 = scale * backGround.getWidth（）; float scaledHeight1 = scale * backGround.getHeight（）; b $ b backGround = Bitmap.createScaledBitmap（backGround，（int）scaledWidth1，（int）scaledHeight1 ，true）; canvas.drawBitmap（backGround，0,0，null）; canvas.drawBitmap（bmp，0,0，null）; if（runUp = true） { bgNumber + = 1; Log.d（bnum，+ bgNumber）; if（bgNumber == bmp1 .length）{ bgNumber = 0; runUp = false; } } else if（runUp = false）{ bgNumber - = 1; if（bgNumber == 0）{ bgNumber + = 1; runUp = true; } } bmp.recycle（）; } public void init（int width，int height）{ this.width = width; this.height = height; } // TODO自动生成的方法存根 } backgroundselector类 公共类BackgroundSelector扩展活动 { ImageView b1，b2，b3，b4，b5，b6，b7，b8，b9，b10，img; static int click = 0; //静态位图bgImage1; //私有资源mResources; MovingBackGround mv ; @覆盖 public void onCreate（Bundle instanceState） { super.onCreate（instanceState）; / * context = this; if（instanceState！= null） { //恢复任何保存的实例状态是否存在 } // setCo ntentView（R.layout.my）; * / setContentView（R.layout.my2）; // bgImage1 = BitmapFactory。 decodeResource（mResources，R.drawable.b1）; b1 =（ImageView）findViewById（R.id.s1）; b2 =（ImageView）findViewById（R。 id.s2）; b3 =（ImageView）findViewById（R.id.s3）; b4 =（ImageView）findViewById（R.id.s4）; b5 =（ImageView）findViewById（R.id.s5）; b6 =（ImageView）findViewById（R.id.s6）; b7 =（ImageView）findViewById（R.id.s7）; b8 =（ImageView）findViewById（R.id.s8）; b9 =（ImageView） findViewById（R.id.s9）; b10 =（ImageView）findViewById（R.id.s10）; img =（ImageView）findViewById（R.id。 imageView1）; img.setBackgroundResource（R.drawable.s1）; b1.setOnClickListener（new OnClickListener（）{ @Override public void onClick（查看v） { click = 1 ; Log.d（click1，+ click）; mv = new MovingBackGround（getApplication（））; img.setBackgroundResource（R.drawable.s1） ; 完成（）; } }）; b2.setOnClickListener（新的OnClickListener（）{ @Override public void onClick（查看v） { click = 2; Log.d（click1，+ click）; img.setBackgroundResource（R.drawable.b2）; mv = new MovingBackGround（getApplication（））; finish（）; } }）; } } 当我点击setwallpaperbutton&转到主屏幕得到错误Hi All, I am getting error in live wall paper plz help memy code iswallpaper enginepublic class MywallpaperEngine extends Engine {// private final DottedCircles circles = new DottedCircles();private final MovingBackGround circles1 = new MovingBackGround(getApplication());private final Runnable mRunnable = new Runnable() {public void run() {drawFrame();}};private boolean mVisible = false;private long tapTime;private float tapX;private float tapY;public void onCreate(SurfaceHolder holder) {super.onCreate(holder);setTouchEventsEnabled(true);}public void onDestroy() {super.onDestroy();mHandler.removeCallbacks(mRunnable);}public void onVisibilityChanged(boolean visible) {mVisible = visible;drawFrame();}public void onSurfaceChanged(SurfaceHolder holder, int format,int width, int height) {super.onSurfaceChanged(holder, format, width, height);circles1.init(width, height);drawFrame();}public void onSurfaceDestroyed(SurfaceHolder holder) {super.onSurfaceDestroyed(holder);mVisible = false;try { Thread updater = null;updater.join(); } catch (InterruptedException e) { } super.onSurfaceDestroyed(holder);drawFrame();}/* * public void onOffsetsChanged(float xOffset, float yOffset, float * xStep, float yStep, int xPixels, int yPixels) { if (xPixels != * circles.getOffset()) { circles.setOffset(xPixels); if (mVisible) { * drawFrame(); } } } */public void onTouchEvent(MotionEvent event) {/*if (event.getAction() == MotionEvent.ACTION_DOWN) {tapTime = event.getEventTime();tapX = event.getX();tapY = event.getY();} else if (event.getAction() == MotionEvent.ACTION_UP&& event.getEventTime() - tapTime < 250&& Math.abs(event.getX() - tapX) < 4&& Math.abs(event.getY() - tapY) < 4) {// circles.add(tapX, tapY);}*/}/*private void animate() {mHandler.removeCallbacks(mRunnable);if (mVisible) {drawFrame();mHandler.postDelayed(mRunnable,10);}}*/private void drawFrame() {SurfaceHolder holder = getSurfaceHolder();Canvas canvas = null;try {canvas = holder.lockCanvas();if (canvas != null) {Log.d("call", "" + canvas);circles1.draw(canvas);}}catch(NullPointerException exception){Log.d("null pointer","null pointer");}finally {if (canvas != null) {holder.unlockCanvasAndPost(canvas);}mHandler.removeCallbacks(mRunnable);if (mVisible) {//drawFrame();mHandler.postDelayed(mRunnable,10);}}}}movingbackgroundclasspublic MovingBackGround(Context context) {super(context);bg=new BackgroundSelector();setWillNotDraw(false);}private Context getApplication() {// TODO Auto-generated method stubreturn null;}@Overrideprotected void onDraw(Canvas canvas) {super.onDraw(canvas);if(bg.click==0){backGround = BitmapFactory.decodeResource(getResources(),R.drawable.b1);}else if(bg.click==1){backGround = BitmapFactory.decodeResource(getResources(),R.drawable.b1);}else if(bg.click==2){backGround = BitmapFactory.decodeResource(getResources(),R.drawable.b2);}doDrawRunning(canvas);invalidate();}@Overridepublic void surfaceChanged(SurfaceHolder holder, int format, int width,int height) {}@Overridepublic void surfaceCreated(SurfaceHolder holder) {}@Overridepublic void surfaceDestroyed(SurfaceHolder holder) {}/*** Draws current state of the game Canvas.*/private int mBGFarMoveX = 0;private int mBGNearMoveX = 0;private int width;private int height;private void doDrawRunning(Canvas canvas) {int newFarX = backGround.getWidth() - (-mBGFarMoveX);BitmapFactory.Options options = new BitmapFactory.Options();Log.d("option", ""+options);options.inPurgeable = true;Resources res = getResources();Log.d("rrrrrrrrr", ""+bmp);bmp = BitmapFactory.decodeResource(res,bmp1[bgNumber], options);DisplayMetrics metrics1 = new DisplayMetrics();MovingBackGround context = this;metrics1 = context.getResources().getDisplayMetrics();float xScale = (float) canvas.getWidth() / bmp.getWidth();float yScale = (float) canvas.getHeight() / bmp.getHeight();float scale = Math.max(xScale, yScale); //selects the larger size to grow the images by//scale = (float) (scale*1.1); //this allows for ensuring the image covers the whole screen.float scaledWidth = scale * bmp.getWidth();float scaledHeight = scale * bmp.getHeight();bmp = Bitmap.createScaledBitmap(bmp, (int)scaledWidth, (int)scaledHeight, true);float xScale1 = (float) canvas.getWidth() / backGround.getWidth();float yScale1 = (float) canvas.getHeight() / backGround.getHeight();float scale1= Math.max(xScale, yScale); //selects the larger size to grow the images by//scale = (float) (scale*1.1); //this allows for ensuring the image covers the whole screen.float scaledWidth1 = scale * backGround.getWidth();float scaledHeight1= scale * backGround.getHeight();backGround = Bitmap.createScaledBitmap(backGround, (int)scaledWidth1, (int)scaledHeight1, true);canvas.drawBitmap(backGround, 0, 0, null);canvas.drawBitmap(bmp, 0,0,null);if (runUp = true){ bgNumber += 1;Log.d("bnum", ""+bgNumber); if (bgNumber == bmp1.length){ bgNumber=0; runUp = false; } }else if(runUp = false){ bgNumber -= 1; if (bgNumber == 0){ bgNumber+=1; runUp = true; } }bmp.recycle();}public void init(int width, int height) {this.width = width;this.height = height;}// TODO Auto-generated method stub}backgroundselector classpublic class BackgroundSelector extends Activity{ImageView b1,b2,b3,b4,b5,b6,b7,b8,b9,b10,img;static int click=0;//static Bitmap bgImage1;// private Resources mResources; MovingBackGround mv;@Overridepublic void onCreate(Bundle instanceState){super.onCreate(instanceState);/*context = this;if(instanceState != null){// restore any saved instance state if it exists}//setContentView(R.layout.my);*/setContentView(R.layout.my2);//bgImage1 = BitmapFactory.decodeResource(mResources, R.drawable.b1);b1=(ImageView)findViewById(R.id.s1);b2=(ImageView)findViewById(R.id.s2);b3=(ImageView)findViewById(R.id.s3);b4=(ImageView)findViewById(R.id.s4);b5=(ImageView)findViewById(R.id.s5);b6=(ImageView)findViewById(R.id.s6);b7=(ImageView)findViewById(R.id.s7);b8=(ImageView)findViewById(R.id.s8);b9=(ImageView)findViewById(R.id.s9);b10=(ImageView)findViewById(R.id.s10);img=(ImageView)findViewById(R.id.imageView1); img.setBackgroundResource(R.drawable.s1);b1.setOnClickListener(new OnClickListener() { @Override public void onClick(View v) { click=1; Log.d("click1", ""+click); mv=new MovingBackGround(getApplication()); img.setBackgroundResource(R.drawable.s1); finish(); } });b2.setOnClickListener(new OnClickListener() { @Override public void onClick(View v) { click=2; Log.d("click1", ""+click); img.setBackgroundResource(R.drawable.b2); mv=new MovingBackGround(getApplication()); finish(); }});}}when i click on setwallpaperbutton & goto home screen get belown error07-23 17:29:40.020: E/SpannableStringBuilder(15702): SPAN_EXCLUSIVE_EXCLUSIVE spans cannot have a zero length07-23 17:29:40.020: E/SpannableStringBuilder(15702): SPAN_EXCLUSIVE_EXCLUSIVE spans cannot have a zero length07-23 17:29:41.045: V/WallpaperService(15702): Display Width=800 Height=128007-23 17:29:43.005: E/SurfaceTextureClient(15702): queueBuffer: error queuing buffer to SurfaceTexture, -1907-23 17:29:43.005: E/SurfaceTextureClient(15702): queueBuffer (handle=0x5d436f20) failed (No such device)07-23 17:29:43.025: E/AndroidRuntime(15702): FATAL EXCEPTION: main07-23 17:29:43.025: E/AndroidRuntime(15702): java.lang.IllegalArgumentException07-23 17:29:43.025: E/AndroidRuntime(15702): at android.view.Surface.unlockCanvasAndPost(Native Method)07-23 17:29:43.025: E/AndroidRuntime(15702): at com.android.internal.view.BaseSurfaceHolder.unlockCanvasAndPost(BaseSurfaceHolder.java:215)07-23 17:29:43.025: E/AndroidRuntime(15702): at com.visusoft.rainwallpaper.Rain$JesuswallpaperEngine.drawFrame(Rain.java:145)07-23 17:29:43.025: E/AndroidRuntime(15702): at com.visusoft.rainwallpaper.Rain$JesuswallpaperEngine.animate(Rain.java:124)07-23 17:29:43.025: E/AndroidRuntime(15702): at com.visusoft.rainwallpaper.Rain$JesuswallpaperEngine.access$0(Rain.java:121)07-23 17:29:43.025: E/AndroidRuntime(15702): at com.visusoft.rainwallpaper.Rain$JesuswallpaperEngine$1.run(Rain.java:35)07-23 17:29:43.025: E/AndroidRuntime(15702): at android.os.Handler.handleCallback(Handler.java:615)07-23 17:29:43.025: E/AndroidRuntime(15702): at android.os.Handler.dispatchMessage(Handler.java:92)07-23 17:29:43.025: E/AndroidRuntime(15702): at android.os.Looper.loop(Looper.java:137)07-23 17:29:43.025: E/AndroidRuntime(15702): at android.app.ActivityThread.main(ActivityThread.java:4921)07-23 17:29:43.025: E/AndroidRuntime(15702): at java.lang.reflect.Method.invokeNative(Native Method)07-23 17:29:43.025: E/AndroidRuntime(15702): at java.lang.reflect.Method.invoke(Method.java:511)07-23 17:29:43.025: E/AndroidRuntime(15702): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:1038)07-23 17:29:43.025: E/AndroidRuntime(15702): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:805)07-23 17:29:43.025: E/AndroidRuntime(15702): at dalvik.system.NativeStart.main(Native Method)推荐答案 JesuswallpaperEngine.drawFrame（Rain.java： 145 ） 07-23 17 ： 29 ： 43 。 025 ：E / AndroidRuntime（ 15702 ）：at com.visusoft.rainwallpaper.RainJesuswallpaperEngine.drawFrame(Rain.java:145)07-23 17:29:43.025: E/AndroidRuntime(15702): at com.visusoft.rainwallpaper.Rain Je suswallpaperEngine.animate（Rain.java： 124 ） 07-23 17 ： 29 ： 43 。 025 ：E / AndroidRuntime（ 15702 ）：at com.visusoft.rainwallpaper.RainJesuswallpaperEngine.animate(Rain.java:124)07-23 17:29:43.025: E/AndroidRuntime(15702): at com.visusoft.rainwallpaper.Rain JesuswallpaperEngine.accessJesuswallpaperEngine.access 这篇关于动态壁纸中的错误的文章就介绍到这了，希望我们推荐的答案对大家有所帮助，也希望大家多多支持！ 1403页，肝出来的..