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
17package com.android.email.activity.setup;
18
19import android.app.Activity;
20import android.app.FragmentTransaction;
21import 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 */
27public class AccountSetupActivity extends Activity implements SetupDataFragment.SetupDataContainer {
28    protected SetupDataFragment mSetupData;
29
30    private static final String SETUP_DATA_FRAGMENT_TAG = "setupData";
31    @Override
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
59    public SetupDataFragment getSetupData() {
60        return mSetupData;
61    }
62}
63