3

在后台闲置一段时间后，我将我的应用程序重新显示出来，我注意到它非常慢，然后就是没有响应。然后我检查了 logcat，我看到
“在 557296 字节分配上内存不足”。在我的应用程序闲置之前我做的最后一件事是在我的数据库中的几个表中添加几条记录。但是，内存错误之前我的 logcat 中的最后一行与位图有关？..."android.graphics.Bitmap.createBitmap" 。我不知道如何开始追踪这个。

11-07 20:32:22.940: D/PMS(599): acquireWL(42e31570): PARTIAL_WAKE_LOCK  CM_static 0x1 13857 10166
    11-07 20:32:22.950: D/PMS(599): releaseWL(42e31570): PARTIAL_WAKE_LOCK  CM_static 0x1
    11-07 20:32:23.060: E/dalvikvm(16038): can't open /data/misc/app_oom.hprof: Permission denied
    11-07 20:32:23.100: E/dalvikvm-heap(16038):  hprofDumpHeap failed with result: -1 
    11-07 20:32:23.100: E/dalvikvm-heap(16038): After hprofDumpHeap for process
    11-07 20:32:23.100: E/dalvikvm(16038): Out of memory: Heap Size=196608KB, Allocated=188196KB, Limit=196608KB, Proc Limit=196608KB
    11-07 20:32:23.100: E/dalvikvm(16038): Extra info: Footprint=196512KB, Allowed Footprint=196608KB, Trimmed=2828KB
    11-07 20:32:23.200: I/dalvikvm-heap(16038): Clamp target GC heap from 193.013MB to 192.000MB
    11-07 20:32:23.200: I/dalvikvm-heap(16038): Forcing collection of SoftReferences for 557296-byte allocation
    11-07 20:32:23.240: D/MtpDatabase(25526): sessionStarted
    11-07 20:32:23.310: I/dalvikvm-heap(16038): Clamp target GC heap from 193.013MB to 192.000MB
    11-07 20:32:23.310: E/dalvikvm-heap(16038): Out of memory on a 557296-byte allocation.
    11-07 20:32:23.310: I/dalvikvm(16038): "main" prio=5 tid=1 RUNNABLE
    11-07 20:32:23.310: I/dalvikvm(16038):   | group="main" sCount=0 dsCount=0 obj=0x41f267e8 self=0x41f113b8
    11-07 20:32:23.310: I/dalvikvm(16038):   | sysTid=16038 nice=0 sched=0/0 cgrp=apps handle=1074839548
    11-07 20:32:23.310: I/dalvikvm(16038):   | state=R schedstat=( 0 0 0 ) utm=61459 stm=7538 core=3
    11-07 20:32:23.310: I/dalvikvm(16038):   at android.graphics.Bitmap.nativeCreate(Native Method)
    11-07 20:32:23.310: I/dalvikvm(16038):   at android.graphics.Bitmap.createBitmap(Bitmap.java:1041)
    11-07 20:32:23.310: I/dalvikvm(16038):   at android.graphics.Bitmap.createBitmap(Bitmap.java:983)
    11-07 20:32:23.310: I/dalvikvm(16038):   at android.view.View.buildDrawingCache(View.java:13312)
    11-07 20:32:23.310: I/dalvikvm(16038):   at android.view.View.getDrawingCache(View.java:13161)
    11-07 20:32:23.310: I/dalvikvm(16038):   at android.view.View.draw(View.java:13859)
    11-07 20:32:23.310: I/dalvikvm(16038):   at android.view.ViewGroup.drawChild(ViewGroup.java:3105)
    11-07 20:32:23.310: I/dalvikvm(16038):   at android.widget.ListView.drawChild(ListView.java:3590)
    11-07 20:32:23.310: I/dalvikvm(16038):   at android.view.ViewGroup.dispatchDraw(ViewGroup.java:2934)
    11-07 20:32:23.310: I/dalvikvm(16038):   at android.widget.AbsListView.dispatchDraw(AbsListView.java:2520)
    11-07 20:32:23.310: I/dalvikvm(16038):   at android.widget.ListView.dispatchDraw(ListView.java:3560)
    11-07 20:32:23.310: I/dalvikvm(16038):   at android.view.View.draw(View.java:14175)
    11-07 20:32:23.310: I/dalvikvm(16038):   at android.widget.AbsListView.draw(AbsListView.java:3993)
    11-07 20:32:23.310: I/dalvikvm(16038):   at android.view.View.draw(View.java:14053)
    11-07 20:32:23.310: I/dalvikvm(16038):   at android.view.ViewGroup.drawChild(ViewGroup.java:3105)
    11-07 20:32:23.310: I/dalvikvm(16038):   at android.view.ViewGroup.dispatchDraw(ViewGroup.java:2934)
    11-07 20:32:23.310: I/dalvikvm(16038):   at android.view.View.draw(View.java:14175)
    11-07 20:32:23.310: I/dalvikvm(16038):   at android.view.View.draw(View.java:14053)
    11-07 20:32:23.310: I/dalvikvm(16038):   at android.view.ViewGroup.drawChild(ViewGroup.java:3105)
    11-07 20:32:23.310: I/dalvikvm(16038):   at android.view.ViewGroup.dispatchDraw(ViewGroup.java:2934)
    11-07 20:32:23.310: I/dalvikvm(16038):   at android.view.View.draw(View.java:14051)
    11-07 20:32:23.310: I/dalvikvm(16038):   at android.view.ViewGroup.drawChild(ViewGroup.java:3105)
    11-07 20:32:23.310: I/dalvikvm(16038):   at android.view.ViewGroup.dispatchDraw(ViewGroup.java:2934)
    11-07 20:32:23.310: I/dalvikvm(16038):   at android.view.View.draw(View.java:14051)
    11-07 20:32:23.310: I/dalvikvm(16038):   at android.view.ViewGroup.drawChild(ViewGroup.java:3105)
    11-07 20:32:23.310: I/dalvikvm(16038):   at android.view.ViewGroup.dispatchDraw(ViewGroup.java:2934)
    11-07 20:32:23.310: I/dalvikvm(16038):   at android.view.View.draw(View.java:14175)
    11-07 20:32:23.310: I/dalvikvm(16038):   at android.widget.FrameLayout.draw(FrameLayout.java:467)
    11-07 20:32:23.310: I/dalvikvm(16038):   at com.android.internal.policy.impl.PhoneWindow$DecorView.draw(PhoneWindow.java:2312)
    11-07 20:32:23.310: I/dalvikvm(16038):   at android.view.ViewRootImpl.drawSoftware(ViewRootImpl.java:2761)
    11-07 20:32:23.310: I/dalvikvm(16038):   at android.view.ViewRootImpl.draw(ViewRootImpl.java:2674)
    11-07 20:32:23.310: I/dalvikvm(16038):   at android.view.ViewRootImpl.performDraw(ViewRootImpl.java:2491)
    11-07 20:32:23.310: I/dalvikvm(16038):   at android.view.ViewRootImpl.performTraversals(ViewRootImpl.java:2048)
    11-07 20:32:23.310: I/dalvikvm(16038):   at android.view.ViewRootImpl.doTraversal(ViewRootImpl.java:1119)
    11-07 20:32:23.310: I/dalvikvm(16038):   at android.view.ViewRootImpl$TraversalRunnable.run(ViewRootImpl.java:5849)
    11-07 20:32:23.310: I/dalvikvm(16038):   at android.view.Choreographer$CallbackRecord.run(Choreographer.java:786)
    11-07 20:32:23.310: I/dalvikvm(16038):   at android.view.Choreographer.doCallbacks(Choreographer.java:586)
    11-07 20:32:23.310: I/dalvikvm(16038):   at android.view.Choreographer.doFrame(Choreographer.java:546)
    11-07 20:32:23.310: I/dalvikvm(16038):   at android.view.Choreographer$FrameDisplayEventReceiver.run(Choreographer.java:771)
    11-07 20:32:23.310: I/dalvikvm(16038):   at android.os.Handler.handleCallback(Handler.java:730)
    11-07 20:32:23.310: I/dalvikvm(16038):   at android.os.Handler.dispatchMessage(Handler.java:92)
    11-07 20:32:23.310: I/dalvikvm(16038):   at android.os.Looper.loop(Looper.java:158)
    11-07 20:32:23.310: I/dalvikvm(16038):   at android.app.ActivityThread.main(ActivityThread.java:5789)
    11-07 20:32:23.310: I/dalvikvm(16038):   at java.lang.reflect.Method.invokeNative(Native Method)
    11-07 20:32:23.310: I/dalvikvm(16038):   at java.lang.reflect.Method.invoke(Method.java:525)
    11-07 20:32:23.310: I/dalvikvm(16038):   at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:1027)
    11-07 20:32:23.310: I/dalvikvm(16038):   at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:843)
    11-07 20:32:23.310: I/dalvikvm(16038):   at dalvik.system.NativeStart.main(Native Method)
    11-07 20:32:23.310: E/dalvikvm-heap(16038): Generating hprof for process: com.test.myApp PID: 16038
4

1 回答 1

7

你在你的应用程序中使用位图吗？您必须使用 bitmap.recycle() 回收位图。如果您不回收位图，您将面临内存不足异常的风险。

如果您确实有位图，我建议您在使用后执行此操作：

bitmap.recycle();
bitmap = null;

这将确保位图被垃圾收集。

如果您没有位图，我建议使用DDMS 中提供的工具来监控堆大小。让您的设备进入睡眠状态并记录应用程序的更改。我已经使用这些工具解决了几个内存不足的异常，我希望你能做到。

于 2013-11-08T02:09:56.250 回答