1 /*
2  * Copyright (C) 2010 The Android Open Source Project
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License");
5  * you may not use this file except in compliance with the License.
6  * You may obtain a copy of the License at
7  *
8  *      http://www.apache.org/licenses/LICENSE-2.0
9  *
10  * Unless required by applicable law or agreed to in writing, software
11  * distributed under the License is distributed on an "AS IS" BASIS,
12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13  * See the License for the specific language governing permissions and
14  * limitations under the License.
15  */
16 
17 package com.android.email.activity.setup;
18 
19 import android.app.Activity;
20 import android.app.FragmentTransaction;
21 import android.os.Bundle;
22 
23 /**
24  * Superclass of all of the account setup activities; ensures that SetupData state is saved/restored
25  * automatically as required
26  */
27 public class AccountSetupActivity extends Activity implements SetupDataFragment.SetupDataContainer {
28     protected SetupDataFragment mSetupData;
29 
30     private static final String SETUP_DATA_FRAGMENT_TAG = "setupData";
31     @Override
onCreate(Bundle savedInstanceState)32     public void onCreate(Bundle savedInstanceState) {
33         super.onCreate(savedInstanceState);
34 
35         if (savedInstanceState == null) {
36             final Bundle b = getIntent().getExtras();
37             if (b != null) {
38                 mSetupData = b.getParcelable(SetupDataFragment.EXTRA_SETUP_DATA);
39                 if (mSetupData != null) {
40                     final FragmentTransaction ft = getFragmentManager().beginTransaction();
41                     ft.add(mSetupData, SETUP_DATA_FRAGMENT_TAG);
42                     ft.commit();
43                 }
44             }
45         } else {
46             mSetupData = (SetupDataFragment)getFragmentManager()
47                     .findFragmentByTag(SETUP_DATA_FRAGMENT_TAG);
48         }
49 
50         if (mSetupData == null) {
51             mSetupData = new SetupDataFragment();
52             final FragmentTransaction ft = getFragmentManager().beginTransaction();
53             ft.add(mSetupData, SETUP_DATA_FRAGMENT_TAG);
54             ft.commit();
55         }
56     }
57 
58     @Override
getSetupData()59     public SetupDataFragment getSetupData() {
60         return mSetupData;
61     }
62 }
63