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POANR in Canvas.native_drawBitmap
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  1. POANR in Canvas.native_drawBitmap
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    copied!<p>I've been receiving the same ANR reports recently. The ANR happens when app tries to draw some bitmaps (when rendering a GridView with ImageViews as elements). I've did a lot of debugging and can now surely say that hangs don't depend neither on bitmap, nor on position where it's being drawn.</p> <p>The heap is 50% free, images are no bigger than 400px^2<br> Grid elements doesn't have any custom layout - just simple ImageView.<br> Tested on HTC Desire (1 GHz CPU), Hero, emulators, etc.<br> The ANR continues <strong>forever</strong> so it's like some infinite loop is running while drawing bitmap. </p> <p>What else can cause such a hang?</p> <p>The report follows:</p> <pre><code>DALVIK THREADS: "main" prio=5 tid=1 NATIVE | group="main" sCount=1 dsCount=0 s=N obj=0x40020ba0 self=0xddd0 | sysTid=32366 nice=0 sched=0/0 cgrp=unknown handle=-1345025972 at android.graphics.Canvas.native_drawBitmap(Native Method) at android.graphics.Canvas.drawBitmap(Canvas.java:1045) at android.graphics.drawable.BitmapDrawable.draw(BitmapDrawable.java:323) at android.widget.ImageView.onDraw(ImageView.java:860) at android.view.View.draw(View.java:6740) at android.view.ViewGroup.drawChild(ViewGroup.java:1640) at android.view.ViewGroup.dispatchDraw(ViewGroup.java:1367) at android.view.ViewGroup.drawChild(ViewGroup.java:1638) at android.view.ViewGroup.dispatchDraw(ViewGroup.java:1367) at android.view.View.draw(View.java:6743) at android.widget.FrameLayout.draw(FrameLayout.java:352) at android.view.ViewGroup.drawChild(ViewGroup.java:1640) at android.view.ViewGroup.dispatchDraw(ViewGroup.java:1367) at android.view.View.draw(View.java:6743) at android.widget.FrameLayout.draw(FrameLayout.java:352) at com.android.internal.policy.impl.PhoneWindow$DecorView.draw(PhoneWindow.java:1847) at android.view.ViewRoot.draw(ViewRoot.java:1407) at android.view.ViewRoot.performTraversals(ViewRoot.java:1163) at android.view.ViewRoot.handleMessage(ViewRoot.java:1727) at android.os.Handler.dispatchMessage(Handler.java:99) at android.os.Looper.loop(Looper.java:123) at android.app.ActivityThread.main(ActivityThread.java:4627) at java.lang.reflect.Method.invokeNative(Native Method) at java.lang.reflect.Method.invoke(Method.java:521) at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:878) at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:636) at dalvik.system.NativeStart.main(Native Method) </code></pre>
 

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