このページを正しく表示するにはJavascriptを有効にしてください。
謎のandroid.view.GLES20RecordingCanvas.drawBitmapでのNullPointer
GooglePlayのデベコンにこんなエラーレポートが。
```
java.lang.NullPointerException
at android.view.GLES20RecordingCanvas.drawBitmap(GLES20RecordingCanvas.java:118)
at android.graphics.drawable.BitmapDrawable.draw(BitmapDrawable.java:394)
at android.widget.ImageView.onDraw(ImageView.java:910)
at android.view.View.draw(View.java:11147)
at android.view.ViewGroup.drawChild(ViewGroup.java:2887)
at android.view.ViewGroup.dispatchDraw(ViewGroup.java:2489)
at android.view.ViewGroup.drawChild(ViewGroup.java:2885)
at android.view.ViewGroup.dispatchDraw(ViewGroup.java:2489)
at android.view.View.draw(View.java:11150)
at android.view.ViewGroup.drawChild(ViewGroup.java:2887)
at android.view.ViewGroup.dispatchDraw(ViewGroup.java:2489)
at android.view.View.draw(View.java:11150)
at android.view.ViewGroup.drawChild(ViewGroup.java:2887)
at android.widget.ListView.drawChild(ListView.java:3225)
at android.view.ViewGroup.dispatchDraw(ViewGroup.java:2489)
at android.widget.AbsListView.dispatchDraw(AbsListView.java:2281)
at android.widget.ListView.dispatchDraw(ListView.java:3220)
at android.view.View.draw(View.java:11150)
at android.widget.AbsListView.draw(AbsListView.java:3764)
at android.view.View.getDisplayList(View.java:10586)
at android.view.ViewGroup.dispatchGetDisplayList(ViewGroup.java:2597)
at android.view.View.getDisplayList(View.java:10549)
at android.view.ViewGroup.dispatchGetDisplayList(ViewGroup.java:2597)
at android.view.View.getDisplayList(View.java:10549)
at android.view.ViewGroup.dispatchGetDisplayList(ViewGroup.java:2597)
at android.view.View.getDisplayList(View.java:10549)
at android.view.ViewGroup.dispatchGetDisplayList(ViewGroup.java:2597)
at android.view.View.getDisplayList(View.java:10549)
at android.view.ViewGroup.dispatchGetDisplayList(ViewGroup.java:2597)
at android.view.View.getDisplayList(View.java:10549)
at android.view.ViewGroup.dispatchGetDisplayList(ViewGroup.java:2597)
at android.view.View.getDisplayList(View.java:10549)
at android.view.ViewGroup.dispatchGetDisplayList(ViewGroup.java:2597)
at android.view.View.getDisplayList(View.java:10549)
at android.view.ViewGroup.dispatchGetDisplayList(ViewGroup.java:2597)
at android.view.View.getDisplayList(View.java:10549)
at android.view.HardwareRenderer$GlRenderer.draw(HardwareRenderer.java:865)
at android.view.ViewRootImpl.draw(ViewRootImpl.java:2092)
at android.view.ViewRootImpl.performTraversals(ViewRootImpl.java:1816)
at android.view.ViewRootImpl.handleMessage(ViewRootImpl.java:2628)
at android.os.Handler.dispatchMessage(Handler.java:99)
at android.os.Looper.loop(Looper.java:137)
at android.app.ActivityThread.main(ActivityThread.java:4507)
at java.lang.reflect.Method.invokeNative(Native Method)
at java.lang.reflect.Method.invoke(Method.java:511)
at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:980)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:747)
at dalvik.system.NativeStart.main(Native Method)
```
[http://stackoverflow.com/questions/18340296/nullpointerexception-in-android-view-gles20recordingcanvas](http://stackoverflow.com/questions/18340296/nullpointerexception-in-android-view-gles20recordingcanvas)
スタックトレース見ると自分のソースと直接絡んでいないので対処しづらいのですが、調べてみるとどうも4.0で起きるバグのようで。開発者向け設定の「HWオーバーレイを無効」あたりが絡んでるっぽいです。ただ手元に4.0端末がないので検証が…。
検証できたらまた追記します。