小编use*_*237的帖子

我有一个"hello world" - 使用android-support-v4片段API的示例应用程序.该活动包含一个按钮,单击它将显示DialogFragment.但是,即使使用setRetainInstance(true),像旋转这样的配置更改也会导致对话框消失.

知道如何解决这个问题吗？

RetFragment.java

package me.local.HelloFroyo;

import android.os.Bundle;
import android.support.v4.app.*;
import android.util.Log;
import android.view.*;

public class RetFragment extends DialogFragment {

    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setRetainInstance(true);
    }

    @Override
    public View onCreateView(LayoutInflater inflater, ViewGroup container,
            Bundle savedInstanceState) {
        return inflater.inflate(R.layout.hello_dialog_fragment, container);
    }

    @Override
    public void onDestroy() {
        super.onDestroy();
        Log.e("RET", "onDestroy");
    }
}

MainActivity.java

package me.local.HelloFroyo;

import android.os.Bundle;
import android.support.v4.app.FragmentActivity;
import android.view.View;

public class MainActivity extends FragmentActivity {

    private static final String TAG_DLG = "myFragDlg";

    public void onCreate(Bundle …