RuntimeException at drawChild(SwipeBackLayout.java)

[githubtongdu]

非常谢谢提供了这么好的控件，一直使用没问题
可是最近在友盟统计中发现如下2条错误日志(Android 6.0和7.1.1，控件版本0.3.0)，似乎是由SwipeBackLayout.drawChild()引起的，可是看源码看不出啥问题，麻烦给点思路：

java.lang.RuntimeException: Canvas: trying to use a recycled bitmap android.graphics.Bitmap@81a0edf
	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:528)
	at android.widget.ImageView.onDraw(ImageView.java:1298)
	at android.view.View.draw(View.java:17268)
	at android.view.View.updateDisplayListIfDirty(View.java:16250)
	at android.view.View.draw(View.java:17034)
	at android.view.ViewGroup.drawChild(ViewGroup.java:3784)
	at android.view.ViewGroup.dispatchDraw(ViewGroup.java:3570)
	at android.view.View.draw(View.java:17271)
	at android.view.View.updateDisplayListIfDirty(View.java:16250)
	at android.view.View.draw(View.java:17034)
	at android.view.ViewGroup.drawChild(ViewGroup.java:3784)
	at android.widget.ListView.drawChild(ListView.java:3527)
	at android.view.ViewGroup.dispatchDraw(ViewGroup.java:3570)
	at android.widget.AbsListView.dispatchDraw(AbsListView.java:2677)
	at android.widget.ListView.dispatchDraw(ListView.java:3522)
	at android.view.View.draw(View.java:17271)
	at android.widget.AbsListView.draw(AbsListView.java:4504)
	at android.view.View.updateDisplayListIfDirty(View.java:16250)
	at android.view.View.draw(View.java:17034)
	at android.view.ViewGroup.drawChild(ViewGroup.java:3784)
	at android.view.ViewGroup.dispatchDraw(ViewGroup.java:3570)
	at android.view.View.draw(View.java:17271)
	at android.view.View.updateDisplayListIfDirty(View.java:16250)
	at android.view.View.draw(View.java:17034)
	at android.view.ViewGroup.drawChild(ViewGroup.java:3784)
	at me.yokeyword.swipebackfragment.SwipeBackLayout.drawChild(SwipeBackLayout.java)
	at android.view.ViewGroup.dispatchDraw(ViewGroup.java:3570)
	at android.view.View.draw(View.java:17271)
	at android.view.View.updateDisplayListIfDirty(View.java:16250)
	at android.view.View.draw(View.java:17034)
	at android.view.ViewGroup.drawChild(ViewGroup.java:3784)
	at android.view.ViewGroup.dispatchDraw(ViewGroup.java:3570)
	at android.view.View.draw(View.java:17271)
	at android.support.v4.view.ViewPager.draw(ViewPager.java)
	at android.view.View.updateDisplayListIfDirty(View.java:16250)
	at android.view.View.draw(View.java:17034)
	at android.view.ViewGroup.drawChild(ViewGroup.java:3784)
	at android.view.ViewGroup.dispatchDraw(ViewGroup.java:3570)
	at android.view.View.draw(View.java:17271)
	at android.view.View.updateDisplayListIfDirty(View.java:16250)
	at android.view.View.draw(View.java:17034)
	at android.view.ViewGroup.drawChild(ViewGroup.java:3784)
	at me.yokeyword.swipebackfragment.SwipeBackLayout.drawChild(SwipeBackLayout.java)
	at android.view.ViewGroup.dispatchDraw(ViewGroup.java:3570)
	at android.view.View.draw(View.java:17271)
	at android.view.View.updateDisplayListIfDirty(View.java:16250)
	at android.view.View.draw(View.java:17034)
	at android.view.ViewGroup.drawChild(ViewGroup.java:3784)
	at android.view.ViewGroup.dispatchDraw(ViewGroup.java:3570)
	at android.view.View.draw(View.java:17271)
	at android.support.v4.view.ViewPager.draw(ViewPager.java)
	at android.view.View.updateDisplayListIfDirty(View.java:16250)
	at android.view.View.draw(View.java:17034)
	at android.view.ViewGroup.drawChild(ViewGroup.java:3784)
	at android.view.ViewGroup.dispatchDraw(ViewGroup.java:3570)
	at android.view.View.updateDisplayListIfDirty(View.java:16245)
	at android.view.View.draw(View.java:17034)
	at android.view.ViewGroup.drawChild(ViewGroup.java:3784)
	at android.view.ViewGroup.dispatchDraw(ViewGroup.java:3570)
	at android.view.View.updateDisplayListIfDirty(View.java:16245)
	at android.view.View.draw(View.java:17034)
	at android.view.ViewGroup.drawChild(ViewGroup.java:3784)
	at android.view.ViewGroup.dispatchDraw(ViewGroup.java:3570)
	at android.view.View.updateDisplayListIfDirty(View.java:16245)
	at android.view.View.draw(View.java:17034)
	at android.view.ViewGroup.drawChild(ViewGroup.java:3784)
	at android.view.ViewGroup.dispatchDraw(ViewGroup.java:3570)
	at android.view.View.updateDisplayListIfDirty(View.java:16245)
	at android.view.View.draw(View.java:17034)
	at android.view.ViewGroup.drawChild(ViewGroup.java:3784)
	at android.view.ViewGroup.dispatchDraw(ViewGroup.java:3570)
	at android.view.View.draw(View.java:17271)
	at android.view.View.updateDisplayListIfDirty(View.java:16250)
	at android.view.View.draw(View.java:17034)
	at android.view.ViewGroup.drawChild(ViewGroup.java:3784)
	at me.yokeyword.swipebackfragment.SwipeBackLayout.drawChild(SwipeBackLayout.java)
	at android.view.ViewGroup.dispatchDraw(ViewGroup.java:3570)
	at android.view.View.updateDisplayListIfDirty(View.java:16245)
	at android.view.View.draw(View.java:17034)
	at android.view.ViewGroup.drawChild(ViewGroup.java:3784)
	at android.view.ViewGroup.dispatchDraw(ViewGroup.java:3570)
	at android.view.View.updateDisplayListIfDirty(View.java:16245)
	at android.view.ThreadedRenderer.updateViewTreeDisplayList(ThreadedRenderer.java:648)
	at android.view.ThreadedRenderer.updateRootDisplayList(ThreadedRenderer.java:654)
	at android.view.ThreadedRenderer.draw(ThreadedRenderer.java:762)
	at android.view.ViewRootImpl.draw(ViewRootImpl.java:3090)
	at android.view.ViewRootImpl.performDraw(ViewRootImpl.java:2887)
	at android.view.ViewRootImpl.performTraversals(ViewRootImpl.java:2449)
	at android.view.ViewRootImpl.doTraversal(ViewRootImpl.java:1414)
	at android.view.ViewRootImpl$TraversalRunnable.run(ViewRootImpl.java:6846)
	at android.view.Choreographer$CallbackRecord.run(Choreographer.java:878)
	at android.view.Choreographer.doCallbacks(Choreographer.java:690)
	at android.view.Choreographer.doFrame(Choreographer.java:625)
	at android.view.Choreographer$FrameDisplayEventReceiver.run(Choreographer.java:864)
	at android.os.Handler.handleCallback(Handler.java:751)
	at android.os.Handler.dispatchMessage(Handler.java:95)
	at android.os.Looper.loop(Looper.java:186)
	at android.app.ActivityThread.main(ActivityThread.java:6491)
	at java.lang.reflect.Method.invoke(Native Method)
	at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:914)
	at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:804)