我把我的活動放在了childview中,現在我無法從我的活動和適配器中顯示對話框。在我的logCat我越來越
04-11 12:39:59.823: E/AndroidRuntime(12831): FATAL EXCEPTION: main
04-11 12:39:59.823: E/AndroidRuntime(12831): android.view.WindowManager$BadTokenException: Unable to add window -- token [email protected] is not valid; is your activity running?
04-11 12:39:59.823: E/AndroidRuntime(12831): at android.view.ViewRootImpl.setView(ViewRootImpl.java:513)
04-11 12:39:59.823: E/AndroidRuntime(12831): at android.view.WindowManagerImpl.addView(WindowManagerImpl.java:301)
04-11 12:39:59.823: E/AndroidRuntime(12831): at android.view.WindowManagerImpl.addView(WindowManagerImpl.java:215)
04-11 12:39:59.823: E/AndroidRuntime(12831): at android.view.WindowManagerImpl$CompatModeWrapper.addView(WindowManagerImpl.java:140)
04-11 12:39:59.823: E/AndroidRuntime(12831): at android.view.Window$LocalWindowManager.addView(Window.java:537)
04-11 12:39:59.823: E/AndroidRuntime(12831): at android.app.Dialog.show(Dialog.java:278)
04-11 12:39:59.823: E/AndroidRuntime(12831): at android.app.AlertDialog$Builder.show(AlertDialog.java:932)
04-11 12:39:59.823: E/AndroidRuntime(12831): at com.myapp.functions.DownloadsDetailsAdapter$1$2.run(DownloadsDetailsAdapter.java:148)
04-11 12:39:59.823: E/AndroidRuntime(12831): at android.app.Activity.runOnUiThread(Activity.java:4170)
04-11 12:39:59.823: E/AndroidRuntime(12831): at com.myapp.functions.DownloadsDetailsAdapter$1.onClick(DownloadsDetailsAdapter.java:139)
04-11 12:39:59.823: E/AndroidRuntime(12831): at android.view.View.performClick(View.java:3511)
04-11 12:39:59.823: E/AndroidRuntime(12831): at android.view.View$PerformClick.run(View.java:14105)
04-11 12:39:59.823: E/AndroidRuntime(12831): at android.os.Handler.handleCallback(Handler.java:605)
04-11 12:39:59.823: E/AndroidRuntime(12831): at android.os.Handler.dispatchMessage(Handler.java:92)
04-11 12:39:59.823: E/AndroidRuntime(12831): at android.os.Looper.loop(Looper.java:137)
04-11 12:39:59.823: E/AndroidRuntime(12831): at android.app.ActivityThread.main(ActivityThread.java:4440)
04-11 12:39:59.823: E/AndroidRuntime(12831): at java.lang.reflect.Method.invokeNative(Native Method)
04-11 12:39:59.823: E/AndroidRuntime(12831): at java.lang.reflect.Method.invoke(Method.java:511)
04-11 12:39:59.823: E/AndroidRuntime(12831): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:787)
04-11 12:39:59.823: E/AndroidRuntime(12831): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:554)
04-11 12:39:59.823: E/AndroidRuntime(12831): at dalvik.system.NativeStart.main(Native Method)
這裏是我如何顯示對話框的一個例子。
AlertDialog.Builder builder = new AlertDialog.Builder(
activity);
builder.setMessage(R.string.are_you_sure)
.setPositiveButton(R.string.yes,
dialogClickListener)
.setNegativeButton(R.string.no, dialogClickListener)
.show();
注意:此代碼在我進行更改之前正在運行。我應該在新的runnable中運行它,但如果我必須這樣做,有人可以告訴我該怎麼做?
實例'ActivityA'的實例(或已經關閉的實例'ActivityX') – Selvin 2013-04-11 10:58:05
@Selvin你可以給我一個示例解決方案.. – 2013-04-11 10:59:38
這很難解釋...但你可以嘗試在方法調用中傳遞Activity,而不是使用存儲在'活動'var ... fx。 :如果你有像'void static DoSomething(String param1)'使用'void static DoSomething(Activity activity,String param1)'方法''而不是 – Selvin 2013-04-11 11:04:07