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我有两个活动。一个活动有listview，第二个活动有gridview..一个我从listview活动中单击下一个活动将安全打开，但是当我从模拟器按下后退按钮时，listacitivity会显示但是当我再次单击listactivity时，它会给我强制关闭选项和我的应用程序崩溃... Logcat 错误存在..

01-30 05:32:24.748: E/AndroidRuntime(998): FATAL EXCEPTION: main
01-30 05:32:24.748: E/AndroidRuntime(998): java.lang.IllegalStateException: The content of the adapter has changed but ListView did not receive a notification. Make sure the content of your adapter is not modified from a background thread, but only from the UI thread. [in ListView(16908298, class android.widget.ListView) with Adapter(class android.widget.ArrayAdapter)]
01-30 05:32:24.748: E/AndroidRuntime(998):  at android.widget.ListView.layoutChildren(ListView.java:1538)
01-30 05:32:24.748: E/AndroidRuntime(998):  at android.widget.AbsListView.onTouchEvent(AbsListView.java:3513)
01-30 05:32:24.748: E/AndroidRuntime(998):  at android.view.View.dispatchTouchEvent(View.java:7127)
01-30 05:32:24.748: E/AndroidRuntime(998):  at android.view.ViewGroup.dispatchTransformedTouchEvent(ViewGroup.java:2170)
01-30 05:32:24.748: E/AndroidRuntime(998):  at android.view.ViewGroup.dispatchTouchEvent(ViewGroup.java:1905)
01-30 05:32:24.748: E/AndroidRuntime(998):  at android.view.ViewGroup.dispatchTransformedTouchEvent(ViewGroup.java:2176)
01-30 05:32:24.748: E/AndroidRuntime(998):  at android.view.ViewGroup.dispatchTouchEvent(ViewGroup.java:1919)
01-30 05:32:24.748: E/AndroidRuntime(998):  at android.view.ViewGroup.dispatchTransformedTouchEvent(ViewGroup.java:2176)
01-30 05:32:24.748: E/AndroidRuntime(998):  at android.view.ViewGroup.dispatchTouchEvent(ViewGroup.java:1919)
01-30 05:32:24.748: E/AndroidRuntime(998):  at android.view.ViewGroup.dispatchTransformedTouchEvent(ViewGroup.java:2176)
01-30 05:32:24.748: E/AndroidRuntime(998):  at android.view.ViewGroup.dispatchTouchEvent(ViewGroup.java:1919)
01-30 05:32:24.748: E/AndroidRuntime(998):  at com.android.internal.policy.impl.PhoneWindow$DecorView.superDispatchTouchEvent(PhoneWindow.java:1925)
01-30 05:32:24.748: E/AndroidRuntime(998):  at com.android.internal.policy.impl.PhoneWindow.superDispatchTouchEvent(PhoneWindow.java:1379)
01-30 05:32:24.748: E/AndroidRuntime(998):  at android.app.Activity.dispatchTouchEvent(Activity.java:2396)
01-30 05:32:24.748: E/AndroidRuntime(998):  at com.android.internal.policy.impl.PhoneWindow$DecorView.dispatchTouchEvent(PhoneWindow.java:1873)
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1 回答 1

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没有代码，很难说可能出了什么问题。但我能想到的最可能的解决方案是，

我认为您正在第二个活动中执行一些计算，这些计算正在修改列表活动中显示的内容。

当您打开时second activity，只需按下第二个 Activity 中的后退按钮（覆盖finish()）即可创建一个新的来打开第一个 Activity。first ActivityonBackPressed()Intent

如果您需要有关如何覆盖该onBackPressed()功能的帮助，请告诉我。

于 2013-01-29T12:52:54.350 回答