动态壁纸中的错误 [英] error in live wallpaper
问题描述
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）
{
} < br $>
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）;
}
} * / < br $>
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）{< br $>
// drawFrame（）;
mHandler.postDelayed（mRunnable，10）;
}
}
}
}
movingbackgroundclass < br $>
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）< br $>
{
click = 2;
Log.d（click1，+ click）;
img.setBackgroundResource（R.drawable.b2）;
mv = new MovingBackGround（getApplication（））;
finish（）; < br $>
}
}）;
}
}
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 me
my code is
wallpaper engine
public 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);
}
}
}
}
movingbackgroundclass
public MovingBackGround(Context context) {
super(context);
bg=new BackgroundSelector();
setWillNotDraw(false);
}
private Context getApplication() {
// TODO Auto-generated method stub
return null;
}
@Override
protected 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();
}
@Override
public void surfaceChanged(SurfaceHolder holder, int format, int width,
int height) {
}
@Override
public void surfaceCreated(SurfaceHolder holder) {
}
@Override
public 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 class
public 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;
@Override
public 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 error
07-23 17:29:40.020: E/SpannableStringBuilder(15702): SPAN_EXCLUSIVE_EXCLUSIVE spans cannot have a zero length
07-23 17:29:40.020: E/SpannableStringBuilder(15702): SPAN_EXCLUSIVE_EXCLUSIVE spans cannot have a zero length
07-23 17:29:41.045: V/WallpaperService(15702): Display Width=800 Height=1280
07-23 17:29:43.005: E/SurfaceTextureClient(15702): queueBuffer: error queuing buffer to SurfaceTexture, -19
07-23 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: main
07-23 17:29:43.025: E/AndroidRuntime(15702): java.lang.IllegalArgumentException
07-23 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.Rain
JesuswallpaperEngine.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（< span class =code-digit> 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
JesuswallpaperEngine.access
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