Fragment.java revision 2dedce6e84679ead961a485c7fe4b0f77c713b6a 
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 android.app;
18
19import android.content.ComponentCallbacks;
20import android.content.res.Configuration;
21import android.os.Bundle;
22import android.view.LayoutInflater;
23import android.view.View;
24import android.view.ViewGroup;
25
26/**
27 * A Fragment is a piece of an application's user interface or behavior
28 * that can be placed in an {@link Activity}.
29 */
30public class Fragment implements ComponentCallbacks {
31    static final int INITIALIZING = 0;  // Not yet created.
32    static final int CREATED = 1;       // Created.
33    static final int STARTED = 2;       // Created and started, not resumed.
34    static final int RESUMED = 3;       // Created started and resumed.
35
36    String mName;
37
38    int mState = INITIALIZING;
39    Activity mActivity;
40
41    boolean mCalled;
42    int mContainerId;
43
44    ViewGroup mContainer;
45    View mView;
46
47    public Fragment() {
48    }
49
50    public Fragment(String name) {
51        mName = name;
52    }
53
54    public String getName() {
55        return mName;
56    }
57
58    public Activity getActivity() {
59        return mActivity;
60    }
61
62    public void onAttach(Activity activity) {
63        mCalled = true;
64    }
65
66    public void onCreate(Bundle savedInstanceState) {
67        mCalled = true;
68    }
69
70    public View onCreateView(LayoutInflater inflater, ViewGroup container) {
71        return null;
72    }
73
74    public void onRestoreInstanceState(Bundle savedInstanceState) {
75    }
76
77    public void onStart() {
78        mCalled = true;
79    }
80
81    public void onRestart() {
82        mCalled = true;
83    }
84
85    public void onResume() {
86        mCalled = true;
87    }
88
89    public void onSaveInstanceState(Bundle outState) {
90    }
91
92    public void onConfigurationChanged(Configuration newConfig) {
93        mCalled = true;
94    }
95
96    public Object onRetainNonConfigurationInstance() {
97        return null;
98    }
99
100    public void onPause() {
101        mCalled = true;
102    }
103
104    public void onStop() {
105        mCalled = true;
106    }
107
108    public void onLowMemory() {
109        mCalled = true;
110    }
111
112    public void onDestroy() {
113        mCalled = true;
114    }
115
116    public void onDetach() {
117        mCalled = true;
118    }
119}
120