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Java.lang.RuntimeException:画布:尝试使用回收的位图图像android.graphics。Bitmap@5d976e0_Java_Android_Canvas_Bitmap - Fatal编程技术网

Java.lang.RuntimeException:画布:尝试使用回收的位图图像android.graphics。Bitmap@5d976e0

Java.lang.RuntimeException:画布:尝试使用回收的位图图像android.graphics。Bitmap@5d976e0,java,android,canvas,bitmap,Java,Android,Canvas,Bitmap,我为我的应用程序创建了PagerAdapter,但应用程序因以下错误而崩溃: Java.lang.RuntimeException:画布:尝试使用回收的位图图像android.graphics。Bitmap@5d976e0 我怎样才能解决这个问题 public class ImageAdapter extends PagerAdapter { Context context; private int[] allImages; ImageView imageView; LayoutInflater

我为我的应用程序创建了PagerAdapter,但应用程序因以下错误而崩溃:

Java.lang.RuntimeException:画布:尝试使用回收的位图图像android.graphics。Bitmap@5d976e0

我怎样才能解决这个问题

public class ImageAdapter extends PagerAdapter {
Context context;
private int[] allImages;
ImageView imageView;
LayoutInflater mLayoutInflater;

public ImageAdapter(Context context, int[]images){
    this.context=context;
    mLayoutInflater = (LayoutInflater) context.getSystemService(Context.LAYOUT_INFLATER_SERVICE);
    allImages = images;
}

@Override
public int getCount() {
    return allImages.length;
}

@Override
public boolean isViewFromObject(View view, Object object) {
    return view == ((LinearLayout) object);
}

@Override
public Object instantiateItem(ViewGroup container, int position) {
    View itemView = mLayoutInflater.inflate(R.layout.pager_item, container, false);
    if(imageView != null) {
      ((BitmapDrawable)imageView.getDrawable()).getBitmap().recycle();
    }
    imageView = (ImageView) itemView.findViewById(R.id.imgDisplay);
    imageView.setImageResource(allImages[position]);
    container.addView(itemView);
    return itemView;
}
当我在PagerAdapter中选择上一张图片时,应用程序因以下错误而崩溃:

08-06 14:59:08.543 2704-2704/com.secret.cardfocus E/AndroidRuntime: FATAL EXCEPTION: main
                                                                Process: com.secret.cardfocus, PID: 2704
                                                                java.lang.RuntimeException: Canvas: trying to use a recycled bitmap android.graphics.Bitmap@28ebced
                                                                    at android.graphics.Canvas.throwIfCannotDraw(Canvas.java:1271)
                                                                    at android.view.DisplayListCanvas.throwIfCannotDraw(DisplayListCanvas.java:257)
                                                                    at android.graphics.Canvas.drawBitmap(Canvas.java:1415)
                                                                    at android.graphics.drawable.BitmapDrawable.draw(BitmapDrawable.java:545)
                                                                    at android.widget.ImageView.onDraw(ImageView.java:1286)
                                                                    at android.view.View.draw(View.java:17071)
                                                                    at android.view.View.updateDisplayListIfDirty(View.java:16053)
                                                                    at android.view.View.draw(View.java:16837)
                                                                    at android.view.ViewGroup.drawChild(ViewGroup.java:3764)
                                                                    at android.view.ViewGroup.dispatchDraw(ViewGroup.java:3550)
                                                                    at android.view.View.updateDisplayListIfDirty(View.java:16048)
                                                                    at android.view.View.draw(View.java:16837)
                                                                    at android.view.ViewGroup.drawChild(ViewGroup.java:3764)
                                                                    at android.view.ViewGroup.dispatchDraw(ViewGroup.java:3550)
                                                                    at android.view.View.draw(View.java:17074)
                                                                    at android.support.v4.view.ViewPager.draw(ViewPager.java:2443)
                                                                    at android.view.View.updateDisplayListIfDirty(View.java:16053)
                                                                    at android.view.View.draw(View.java:16837)
                                                                    at android.view.ViewGroup.drawChild(ViewGroup.java:3764)
                                                                    at android.view.ViewGroup.dispatchDraw(ViewGroup.java:3550)
                                                                    at android.view.View.updateDisplayListIfDirty(View.java:16048)
                                                                    at android.view.ViewGroup.recreateChildDisplayList(ViewGroup.java:3748)
                                                                    at android.view.ViewGroup.dispatchGetDisplayList(ViewGroup.java:3728)
                                                                    at android.view.View.updateDisplayListIfDirty(View.java:16016)
                                                                    at android.view.ViewGroup.recreateChildDisplayList(ViewGroup.java:3748)
                                                                    at android.view.ViewGroup.dispatchGetDisplayList(ViewGroup.java:3728)
                                                                    at android.view.View.updateDisplayListIfDirty(View.java:16016)
                                                                    at android.view.ViewGroup.recreateChildDisplayList(ViewGroup.java:3748)
                                                                    at android.view.ViewGroup.dispatchGetDisplayList(ViewGroup.java:3728)
                                                                    at android.view.View.updateDisplayListIfDirty(View.java:16016)
                                                                    at android.view.ViewGroup.recreateChildDisplayList(ViewGroup.java:3748)
                                                                    at android.view.ViewGroup.dispatchGetDisplayList(ViewGroup.java:3728)
                                                                    at android.view.View.updateDisplayListIfDirty(View.java:16016)
                                                                    at android.view.ViewGroup.recreateChildDisplayList(ViewGroup.java:3748)
                                                                    at android.view.ViewGroup.dispatchGetDisplayList(ViewGroup.java:3728)
                                                                    at android.view.View.updateDisplayListIfDirty(View.java:16016)
                                                                    at android.view.ViewGroup.recreateChildDisplayList(ViewGroup.java:3748)
                                                                    at android.view.ViewGroup.dispatchGetDisplayList(ViewGroup.java:3728)
                                                                    at android.view.View.updateDisplayListIfDirty(View.java:16016)
                                                                    at android.view.ThreadedRenderer.updateViewTreeDisplayList(ThreadedRenderer.java:656)
                                                                    at android.view.ThreadedRenderer.updateRootDisplayList(ThreadedRenderer.java:662)
                                                                    at android.view.ThreadedRenderer.draw(ThreadedRenderer.java:770)
                                                                    at android.view.ViewRootImpl.draw(ViewRootImpl.java:2796)
                                                                    at android.view.ViewRootImpl.performDraw(ViewRootImpl.java:2604)
                                                                    at android.view.ViewRootImpl.performTraversals(ViewRootImpl.java:2211)
                                                                    at android.view.ViewRootImpl.doTraversal(ViewRootImpl.java:1246)
                                                                    at android.view.ViewRootImpl$TraversalRunnable.run(ViewRootImpl.java:6301)
                                                                    at android.view.Choreographer$CallbackRecord.run(Choreographer.java:871)
                                                                    at android.view.Choreographer.doCallbacks(Choreographer.java:683)
                                                                    at android.view.Choreographer.doFrame(Choreographer.java:619)
                                                                    at android.view.Choreographer$FrameDisplayEventReceiver.run(Choreographer.java:857)
                                                                    at android.os.Handler.handleCallback(Handler.java:751)
                                                                    at android.os.Handler.dispatchMessage(Handler.java:95)
                                                                    at android.os.Looper.loop(Looper.java:154)
                                                                    at android.app.ActivityThread.main(ActivityThread.java:6077)
                                                                    at java.lang.reflect.Method.invoke(Native Method)
                                                                    at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:866)
                                                                    at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:756)

您应该检查图像的大小。如果只需要将大图像显示为图标,请不要使用它们。按要求保留大小。一张图片的重量不超过30KB。我将图片转换为WEBP格式。好的,你能将你的源代码作为zip发送给我吗?然后,我可以用PagerAdapter解决-PagerAdapter-活动的问题。您应该检查图像的大小。如果只需要将大图像显示为图标,请不要使用它们。按要求保留大小。一张图片的重量不超过30KB。我将图片转换为WEBP格式。好的,你能将你的源代码作为zip发送给我吗?然后,我可以用PagerAdapter修复问题-PagerAdapter-活动