我已經收到古爾遊戲控制檯上這個崩潰報告玩法:崩潰報告MonoDroid的應用
java.lang.NullPointerException
at com.google.android.maps.PixelConverter.toPixels(PixelConverter.java:71)
at com.google.android.maps.PixelConverter.toPixels(PixelConverter.java:61)
at com.google.android.maps.MapView.onLayout(MapView.java:727)
at android.view.View.layout(View.java:14459)
at android.view.ViewGroup.layout(ViewGroup.java:4469)
at android.widget.LinearLayout.setChildFrame(LinearLayout.java:1669)
at android.widget.LinearLayout.layoutVertical(LinearLayout.java:1527)
at android.widget.LinearLayout.onLayout(LinearLayout.java:1440)
at android.view.View.layout(View.java:14459)
at android.view.ViewGroup.layout(ViewGroup.java:4469)
at android.widget.FrameLayout.onLayout(FrameLayout.java:448)
at android.view.View.layout(View.java:14459)
at android.view.ViewGroup.layout(ViewGroup.java:4469)
at android.widget.LinearLayout.setChildFrame(LinearLayout.java:1669)
at android.widget.LinearLayout.layoutVertical(LinearLayout.java:1527)
at android.widget.LinearLayout.onLayout(LinearLayout.java:1440)
at android.view.View.layout(View.java:14459)
at android.view.ViewGroup.layout(ViewGroup.java:4469)
at android.widget.FrameLayout.onLayout(FrameLayout.java:448)
at android.view.View.layout(View.java:14459)
at android.view.ViewGroup.layout(ViewGroup.java:4469)
at android.view.ViewRootImpl.performLayout(ViewRootImpl.java:2132)
at android.view.ViewRootImpl.performTraversals(ViewRootImpl.java:1951)
at android.view.ViewRootImpl.doTraversal(ViewRootImpl.java:1164)
at android.view.ViewRootImpl$TraversalRunnable.run(ViewRootImpl.java:4845)
at android.view.Choreographer$CallbackRecord.run(Choreographer.java:749)
at android.view.Choreographer.doCallbacks(Choreographer.java:562)
at android.view.Choreographer.doFrame(Choreographer.java:532)
at android.view.Choreographer$FrameDisplayEventReceiver.run(Choreographer.java:735)
at android.os.Handler.handleCallback(Handler.java:725)
at android.os.Handler.dispatchMessage(Handler.java:92)
at android.os.Looper.loop(Looper.java:137)
at android.app.ActivityThread.main(ActivityThread.java:5264)
at java.lang.reflect.Method.invokeNative(Native Method)
at java.lang.reflect.Method.invoke(Method.java:511)
at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:1102)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:869)
at dalvik.system.NativeStart.main(Native Method)
這是一個Java堆棧跟蹤,我的代碼是關於MonoDroid的和C#。如何檢測我的問題?
您是否對可見活動之外的靜態變量有任何引用?刪除它們是一個好的開始。 – Neoh
我在應用程序類中有許多變量。這是問題嗎? –
包含在自己範圍內的普通變量不會成爲問題。在android中內存不足時,它只會成爲問題,後臺活動被清除。當應用程序從後臺恢復時,可見活動仍然引用其他已經消失的活動的其他靜態變量。 – Neoh