此外,如果我用键盘启动我的应用程序,我的应用程序在启动时立即崩溃.
该应用程序包含一个活动,其中包含一个vIEwflipper作为主视图布局.取景器包含两个线性布局…
堆栈跟踪:
06-10 21:10:17.652 E/AndroIDRuntime( 3785): Uncaught handler: thread main exiting due to uncaught exception06-10 21:10:17.668 E/AndroIDRuntime( 3785): java.lang.IllegalArgumentException: Receiver not registered: androID.Widget.VIEwFlipper@447af0b806-10 21:10:17.668 E/AndroIDRuntime( 3785): at androID.app.ActivityThread$PackageInfo.forgetReceiverdispatcher(ActivityThread.java:667)06-10 21:10:17.668 E/AndroIDRuntime( 3785): at androID.app.ApplicationContext.unregisterReceiver(ApplicationContext.java:747)06-10 21:10:17.668 E/AndroIDRuntime( 3785): at androID.content.Contextwrapper.unregisterReceiver(Contextwrapper.java:321)06-10 21:10:17.668 E/AndroIDRuntime( 3785): at androID.Widget.VIEwFlipper.onDetachedFromWindow(VIEwFlipper.java:104)06-10 21:10:17.668 E/AndroIDRuntime( 3785): at androID.vIEw.VIEw.dispatchDetachedFromWindow(VIEw.java:5835)06-10 21:10:17.668 E/AndroIDRuntime( 3785): at androID.vIEw.VIEwGroup.dispatchDetachedFromWindow(VIEwGroup.java:1076)06-10 21:10:17.668 E/AndroIDRuntime( 3785): at androID.vIEw.VIEwGroup.dispatchDetachedFromWindow(VIEwGroup.java:1074)06-10 21:10:17.668 E/AndroIDRuntime( 3785): at androID.vIEw.VIEwGroup.dispatchDetachedFromWindow(VIEwGroup.java:1074)06-10 21:10:17.668 E/AndroIDRuntime( 3785): at androID.vIEw.VIEwGroup.dispatchDetachedFromWindow(VIEwGroup.java:1074)06-10 21:10:17.668 E/AndroIDRuntime( 3785): at androID.vIEw.VIEwRoot.dispatchDetachedFromWindow(VIEwRoot.java:1570)06-10 21:10:17.668 E/AndroIDRuntime( 3785): at androID.vIEw.VIEwRoot.doDIE(VIEwRoot.java:2556)06-10 21:10:17.668 E/AndroIDRuntime( 3785): at androID.vIEw.VIEwRoot.dIE(VIEwRoot.java:2526)06-10 21:10:17.668 E/AndroIDRuntime( 3785): at androID.vIEw.WindowManagerImpl.removeVIEwImmediate(WindowManagerImpl.java:218)06-10 21:10:17.668 E/AndroIDRuntime( 3785): at androID.vIEw.Window$LocalWindowManager.removeVIEwImmediate(Window.java:436)06-10 21:10:17.668 E/AndroIDRuntime( 3785): at androID.app.ActivityThread.handleDestroyActivity(ActivityThread.java:3498)06-10 21:10:17.668 E/AndroIDRuntime( 3785): at androID.app.ActivityThread.handle@R_393_4404@Activity(ActivityThread.java:3599)06-10 21:10:17.668 E/AndroIDRuntime( 3785): at androID.app.ActivityThread.access00(ActivityThread.java:119)06-10 21:10:17.668 E/AndroIDRuntime( 3785): at androID.app.ActivityThread$H.handleMessage(ActivityThread.java:1867)06-10 21:10:17.668 E/AndroIDRuntime( 3785): at androID.os.Handler.dispatchMessage(Handler.java:99)06-10 21:10:17.668 E/AndroIDRuntime( 3785): at androID.os.Looper.loop(Looper.java:123)06-10 21:10:17.668 E/AndroIDRuntime( 3785): at androID.app.ActivityThread.main(ActivityThread.java:4363)06-10 21:10:17.668 E/AndroIDRuntime( 3785): at java.lang.reflect.Method.invokeNative(Native Method)06-10 21:10:17.668 E/AndroIDRuntime( 3785): at java.lang.reflect.Method.invoke(Method.java:521)06-10 21:10:17.668 E/AndroIDRuntime( 3785): at com.androID.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:860)06-10 21:10:17.668 E/AndroIDRuntime( 3785): at com.androID.internal.os.ZygoteInit.main(ZygoteInit.java:618)06-10 21:10:17.668 E/AndroIDRuntime( 3785): at dalvik.system.NativeStart.main(Native Method)06-10 21:10:17.684 I/Process ( 1017): Sending signal. PID: 3785 SIG: 3
编辑:从主要活动添加XML布局和相关片段.
整个XML布局文件
<?xml version="1.0" enCoding="utf-8"?><VIEwFlipper xmlns:androID="http://schemas.androID.com/apk/res/androID" androID:ID="@+ID/vFlipper" androID:layout_wIDth="wrap_content" androID:layout_height="wrap_content"> <!-- linear Layout 1: messages and overvIEw. --> <linearLayout androID:orIEntation="vertical" androID:layout_wIDth="fill_parent" androID:layout_height="fill_parent" > <tableRow androID:ID="@+ID/tableRow01" androID:layout_wIDth="fill_parent" androID:layout_height="wrap_content"> <TextVIEw androID:text="Connection info" androID:ID="@+ID/tvCon1" androID:layout_wIDth="fill_parent" androID:layout_height="wrap_content" androID:background="#F0F0F0" androID:textcolor="#FF0000" /> </tableRow> <ScrollVIEw androID:ID="@+ID/ScrollVIEw01" androID:layout_wIDth="fill_parent" androID:layout_height="fill_parent"> <TextVIEw androID:ID="@+ID/tvMessages" androID:layout_wIDth="fill_parent" androID:layout_height="fill_parent" androID:text="" /> </ScrollVIEw> </linearLayout> <!-- linear Layout 2: settings --> <linearLayout androID:orIEntation="vertical" androID:layout_wIDth="fill_parent" androID:layout_height="fill_parent" > <tableRow androID:ID="@+ID/tableRow03" androID:layout_wIDth="fill_parent" androID:layout_height="wrap_content"> <TextVIEw androID:text="hello world" androID:ID="@+ID/asdfasdf2" androID:layout_wIDth="fill_parent" androID:layout_height="wrap_content" /> </tableRow> </linearLayout></VIEwFlipper>
主要活动代码片段
/** * Attempt (not currently working) to work around this BUG: http://code.Google.com/p/androID/issues/detail?ID=6191 * Todo: make it work. */@OverrIDepublic voID onDetachedFromWindow() { Log.d("Dash","OnDetachedFromWindow()"); try { super.onDetachedFromWindow(); } catch (Exception e) { VIEwFlipper v = (VIEwFlipper)findVIEwByID(R.ID.vFlipper); if (v != null) { Log.d("Dash","De-BUG hit. e=" + e.getMessage()); v.stopFlipPing(); } }}解决方法 要解决这个问题,你必须
>定义一个名为MyVIEwFlipper的新类,它覆盖VIEwFlipper(见下文)
>引用你以前引用过VIEwFlipper的新类
>定义你的班级和布局,如下图所示:
新类叫MyVIEwFlipper.包含以下内容:
package com.gtosoft.dash; // change this to match your own app. import androID.content.Context;import androID.util.AttributeSet;import androID.util.Log;import androID.Widget.VIEwFlipper;public class MyVIEwFlipper extends VIEwFlipper { public MyVIEwFlipper(Context context,AttributeSet attrs) { super(context,attrs); } @OverrIDe protected voID onDetachedFromWindow() { try{ super.onDetachedFromWindow(); }catch(Exception e) { Log.d("MyVIEwFlipper","Stopped a vIEwflipper crash"); stopFlipPing(); } }}
现在要使用这个“固定”版本的VIEwFlipper,你必须在xml布局中引用它.由于它基本上是一个“自定义视图”,您必须完全限定MyVIEwFlipper的包路径,如下所示:
<com.gtosoft.dash.MyVIEwFlipper xmlns:androID="http://schemas.androID.com/apk/res/androID" androID:ID="@+ID/vFlipper" androID:layout_wIDth="wrap_content" androID:layout_height="wrap_content"> (insert all the other old layout code here)</com.gtosoft.dash.MyVIEwFlipper>
现在应用程序不再在键盘幻灯片事件中崩溃,或者应用程序是否已经从幻灯片开始.在日志中查找:
06-11 20:08:15.811 D/MyVIEwFlipper( 6106): Stopped a vIEwflipper crash
信用:http://code.google.com/p/android/issues/detail?id=6191
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