onRetainNonConfigurationInstance : Activity « UI « Android

1.2D Graphics
3.Core Class
5.Date Type
14.User Event
Android » UI » Activity 

/* Copyright (c) 2008-2009 -- CommonsWare, LLC

   Licensed under the Apache License, Version 2.0 (the "License");
   you may not use this file except in compliance with the License.
   You may obtain a copy of the License at


   Unless required by applicable law or agreed to in writing, software
   distributed under the License is distributed on an "AS IS" BASIS,
   See the License for the specific language governing permissions and
   limitations under the License.
package com.commonsware.android.rotation.two;

import android.app.Activity;
import android.content.Intent;
import android.net.Uri;
import android.os.Bundle;
import android.provider.ContactsContract.Contacts;
import android.view.View;
import android.widget.Button;
import android.util.Log;

public class RotationTwoDemo extends Activity {
  static final int PICK_REQUEST=1337;
  Button viewButton=null;
  Uri contact=null;
  public void onCreate(Bundle savedInstanceState) {
    Button btn=(Button)findViewById(R.id.pick);
    btn.setOnClickListener(new View.OnClickListener() {
      public void onClick(View view) {
        Intent i=new Intent(Intent.ACTION_PICK,

        startActivityForResult(i, PICK_REQUEST);
    viewButton.setOnClickListener(new View.OnClickListener() {
      public void onClick(View view) {
        startActivity(new Intent(Intent.ACTION_VIEW, contact));

  protected void onActivityResult(int requestCode, int resultCode,
                                    Intent data) {
    if (requestCode==PICK_REQUEST) {
      if (resultCode==RESULT_OK) {

  public Object onRetainNonConfigurationInstance() {
  private void restoreMe() {
    if (getLastNonConfigurationInstance()!=null) {

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