Java 显示DialogFragment的应用程序在旋转后崩溃

Java 显示DialogFragment的应用程序在旋转后崩溃,java,android,illegalstateexception,Java,Android,Illegalstateexception,当我在显示DialogFragment时旋转设备时,我的应用程序崩溃: E/AndroidRuntime: FATAL EXCEPTION: main Process: com.myapp, PID: 27909 java.lang.RuntimeException: Unable to destroy activity {com.myapp/com.myapp.FileListActivity}: java.lang.IllegalStateException: Can not perform

当我在显示DialogFragment时旋转设备时,我的应用程序崩溃:

E/AndroidRuntime: FATAL EXCEPTION: main
Process: com.myapp, PID: 27909
java.lang.RuntimeException: Unable to destroy activity {com.myapp/com.myapp.FileListActivity}: java.lang.IllegalStateException: Can not perform this action after onSaveInstanceState
    at android.app.ActivityThread.performDestroyActivity(ActivityThread.java:4203)
    at android.app.ActivityThread.handleDestroyActivity(ActivityThread.java:4221)
    at android.app.ActivityThread.handleRelaunchActivity(ActivityThread.java:4495)
    at android.app.ActivityThread.-wrap19(ActivityThread.java)
    at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1483)
    at android.os.Handler.dispatchMessage(Handler.java:102)
    at android.os.Looper.loop(Looper.java:154)
    at android.app.ActivityThread.main(ActivityThread.java:6126)
    at java.lang.reflect.Method.invoke(Native Method)
    at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:886)
    at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:776)
    Caused by: java.lang.IllegalStateException: Can not perform this action after onSaveInstanceState
    at android.support.v4.app.FragmentManagerImpl.checkStateLoss(FragmentManager.java:1493)
    at android.support.v4.app.FragmentManagerImpl.enqueueAction(FragmentManager.java:1511)
    at android.support.v4.app.BackStackRecord.commitInternal(BackStackRecord.java:638)
    at android.support.v4.app.BackStackRecord.commit(BackStackRecord.java:617)
    at android.support.v4.app.DialogFragment.dismissInternal(DialogFragment.java:201)
    at android.support.v4.app.DialogFragment.dismiss(DialogFragment.java:167)
    at com.myapp.ActionsDialogFragment.onDestroy(ActionsDialogFragment.java:127)
    at android.support.v4.app.Fragment.performDestroy(Fragment.java:2202)
    at android.support.v4.app.FragmentManagerImpl.moveToState(FragmentManager.java:1196)
    at android.support.v4.app.FragmentManagerImpl.moveToState(FragmentManager.java:1252)
    at android.support.v4.app.FragmentManagerImpl.moveToState(FragmentManager.java:1234)
    at android.support.v4.app.FragmentManagerImpl.dispatchDestroy(FragmentManager.java:2083)
    at android.support.v4.app.FragmentController.dispatchDestroy(FragmentController.java:244)
    at android.support.v4.app.FragmentActivity.onDestroy(FragmentActivity.java:368)
    at android.support.v7.app.AppCompatActivity.onDestroy(AppCompatActivity.java:203)
    at com.myapp.FileListActivity.onDestroy(FileListActivity.java:1106)
    at android.app.Activity.performDestroy(Activity.java:6881)
    at android.app.Instrumentation.callActivityOnDestroy(Instrumentation.java:1154)
    at android.app.ActivityThread.performDestroyActivity(ActivityThread.java:4190)
    at android.app.ActivityThread.handleDestroyActivity(ActivityThread.java:4221) 
    at android.app.ActivityThread.handleRelaunchActivity(ActivityThread.java:4495) 
    at android.app.ActivityThread.-wrap19(ActivityThread.java) 
    at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1483) 
    at android.os.Handler.dispatchMessage(Handler.java:102) 
    at android.os.Looper.loop(Looper.java:154) 
    at android.app.ActivityThread.main(ActivityThread.java:6126) 
    at java.lang.reflect.Method.invoke(Native Method) 
    at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:886) 
    at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:776) 
这是我的对话片段:

public class ActionsDialogFragment extends DialogFragment {

    public interface ActionsDialogListener {
        void onActionSelected(DialogFragment dialog, int position);
    }

    AlertDialog dialog;
    ActionsDialogListener mListener;

    @Override
    public void onAttach(Activity activity) {
        super.onAttach(activity);
        try {
            mListener = (ActionsDialogListener) activity;
        } catch (ClassCastException e) {
            throw new ClassCastException(activity.toString()
                    + " must implement ActionsDialogListener");
        }
    }

    @Override
    public Dialog onCreateDialog(Bundle savedInstanceState) {
        AlertDialog.Builder builder = new AlertDialog.Builder(getActivity());
        dialog = builder.create();
        return dialog;
    }

    @Override
    public View onCreateView(LayoutInflater inflater, ViewGroup container,
                            Bundle savedInstanceState) {
        View view = inflater.inflate(R.layout.actions_dialog, container, false);

        CustomListAdapter cla;
        cla = new CustomListAdapter(getActivity());
        ListView list = (ListView) view.findViewById(R.id.listViewActions);
        final AlertDialog finalDialog = dialog;
        list.setOnItemClickListener(new AdapterView.OnItemClickListener() {
            @Override
            public void onItemClick(AdapterView<?> parent, View view, int position, long id) {
                mListener.onActionSelected((DialogFragment) getParentFragment(), position);
                Log.d(FileListActivity.TAG, "Dismissing dialog");
//                ActionsDialogFragment.this.dismiss();
                finalDialog.dismiss();
            }
        });
        list.setAdapter(cla);
        dialog.setView(view);
        return view;
    }

    @Override
    public void onDestroy() {
        super.onDestroy();
        Log.d(FileListActivity.TAG, "ActionDialogFragment onDestroy()");
        dismiss();
//        dialog.dismiss();
    }

    class CustomListAdapter extends ArrayAdapter<String> {
    ...
    }

}
编辑2:

以防万一。这是我的主要活动的
onDestroy()
方法:

public void onDestroy() {
    super.onDestroy();
    Log.d(TAG, "FileListActivity onDestroy()");
    if (exifReadingDialog != null) { exifReadingDialog.dismiss(); }
    dataFragment.mRetainedCache = mMemoryCache;
    dataFragment.setData(mediaFolder);
}
编辑3:


另外一些想法:stackoverflow的许多人说,您应该在
对话框片段中使用
onCreateDialog
onCreateView
。也许这是我的问题。但是如果我删除了
onCreateDialog
dialog
变量,那么dismissing就不起作用了。到目前为止,我正在使用这个解决方案:(只是为了关闭对话框,但在旋转时崩溃)

我认为问题在于onDestroy调用父活动上的片段事务提交,而这不能在调用onSavedInstance之后完成,而这是在onDestroy之前完成的。您真的需要关闭onDestroy()?

您会收到泄漏的窗口异常,因为当您的活动被销毁时,
警报对话框
正在运行。当活动被销毁时,您应该关闭对话框

试试这个:

@Override
protected void onDestroy() {
    try {
        if (dialog!= null && dialog.isShowing()) {
            dialog.dismiss();
        }
    } catch (Exception e) {
        e.printStackTrace();
    }
    super.onDestroy();
}
另外,在
setOnItemClickListener
中,首先关闭对话框

list.setOnItemClickListener(new AdapterView.OnItemClickListener() {
        @Override
        public void onItemClick(AdapterView<?> parent, View view, int position, long id) {

            if (finalDialog != null && finalDialog.isShowing()) {
                  finalDialog.dismiss();
             }
            mListener.onActionSelected((DialogFragment) getParentFragment(), position);
            Log.d(FileListActivity.TAG, "Dismissing dialog");
    //      ActionsDialogFragment.this.dismiss();
        }
    });
list.setOnItemClickListener(新的AdapterView.OnItemClickListener(){
@凌驾
public void onItemClick(AdapterView父对象、视图、整型位置、长id){
if(finalDialog!=null&&finalDialog.isShowing()){
最后,请解散();
}
mListener.onActionSelected((DialogFragment)getParentFragment(),位置);
Log.d(FileListActivity.TAG,“解除对话框”);
//ActionsDialogFragment.this.disclose();
}
});

与此同时,我尝试了很多东西。我更改了我的
操作DialogFragment
,使其看起来更像中的

但我认为真正的错误在于我的自定义
ListAdapter
。我改变了这部分

public @NonNull View getView(int position, View view, @NonNull ViewGroup parent) {
    LayoutInflater inflater = getLayoutInflater(null);

现在,我可以通过一个简单的
disclose()来关闭
DialogFragment
并且应用程序在旋转后不再崩溃


所以我应该在我的问题中发布完整的课程。无论如何,谢谢你的帮助

如果我不退出,我会得到以下错误:
E/WindowManager:android.view.WindowLeaked:Activity com.myApp.FileListActivity已泄漏窗口DecorView@2b05e78[]最初添加到此处的
然后在暂停时执行,而不是在暂停时执行您的意思是
在暂停时公开作废(){super.onPause();dismissAllowingStateLoss();}
操作DialogFragment
中?同样的错误!我的代码中没有
FragmentTransaction.commit()
。我在问题中添加了创建DialogFragment的函数。我已尝试更改
disclose()
解除AllowingStateLoss()但没有成功。如果我使用您的示例代码而不是
actionsDialog.show(getSupportFragmentManager(),“ActionsDialogFragment”)从我的代码中,应用程序仍然会崩溃,并出现类似错误:
java.lang.RuntimeException:无法销毁活动{com.myApp/com.myApp.FileListActivity}:java.lang.IllegalStateException:活动已销毁
。我已经尝试过了(与以前尝试过的几乎相同),它给出了我上一次评论中的错误。我想问题是现在我的
ActionsDialogFragment
在其
onDestroy()
方法中被忽略了。如果我删除
dismissAllowingStateLoss(),我从对FrankMonza回答的评论中得到错误(“活动已泄露窗口”)。感谢您的编辑。我改变了我的代码,但我仍然得到那个错误。
public @NonNull View getView(int position, View view, @NonNull ViewGroup parent) {
    LayoutInflater inflater = getLayoutInflater(null);
public @NonNull View getView(int position, View view, @NonNull ViewGroup parent) {
    LayoutInflater inflater = ((Activity)context).getLayoutInflater();