[android-developers] ListPopupWindow does not anchor correctly after an orientation change

[Shri]

My activity has configChanges="orientation" so that the activity is
reused across orientation changes. If I have a ListPopupWindow
displaying before the orientation change, it does not get positioned
correctly after the orientation change. Is this a known issue?

Furthermore, I cannot figure how to force it to be positioned
correctly. I tried creating a new instance in #onConfigurationChanged,
but even that does not work. Any idea how I can get it to be
positioned correctly?

Thanks,
Shri

# MainActivity.java

package com.shri.helloandroid;

import android.app.Activity;
import android.app.Dialog;
import android.os.Bundle;
import android.view.View;
import android.webkit.WebView;
import android.widget.Button;
import android.widget.TextView;
import android.widget.ListPopupWindow;
import android.content.res.Configuration;
import android.util.Log;

public class MainActivity extends Activity {
  private Button button;
  private ListPopupWindow popup;

  @Override
  public void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.main);
    button = (Button) findViewById(R.id.button);
    popup = new ListPopupWindow(this);
    popup.setWidth(200);
    popup.setHeight(200);
    popup.setAnchorView(button);
  }

  @Override
  public void onResume() {
    super.onResume();
  }

  @Override
  public void onPause() {
    super.onPause();
  }

  @Override
  public void onConfigurationChanged(Configuration newConfig) {
    super.onConfigurationChanged(newConfig);
    if (popup.isShowing()) {
     if (false) {
        // First attempt was to call #show again to force
recalculation of the position.
        popup.dismiss();
        popup.show();
      } else {
        // Second attempt was to try to create a new instance.
        popup = new ListPopupWindow(this);
        popup.setWidth(200);
        popup.setHeight(200);
        popup.setAnchorView(button);
        popup.show();
      }
    }
  }

  public void onClick(View view) {
    popup.show();
  }
}

# main.xml

<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/
android"
  android:layout_width="match_parent"
  android:layout_height="match_parent"
  >
  <Button
    android:id="@+id/button"
    android:layout_height="wrap_content"
    android:layout_width="wrap_content"
    android:text="Click me"
    android:onClick="onClick"
    android:layout_centerHorizontal="true"
    android:layout_centerVertical="true"
    />
</RelativeLayout>

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