Fragment.java revision f121be737c59390d97e21a92be8e166001534c7d 
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.Context;
21import android.content.res.Configuration;
22import android.os.Bundle;
23import android.util.AttributeSet;
24import android.view.LayoutInflater;
25import android.view.View;
26import android.view.ViewGroup;
27import android.view.animation.Animation;
28
29/**
30 * A Fragment is a piece of an application's user interface or behavior
31 * that can be placed in an {@link Activity}.
32 */
33public class Fragment implements ComponentCallbacks {
34    static final int INITIALIZING = 0;  // Not yet created.
35    static final int CREATED = 1;       // Created.
36    static final int STARTED = 2;       // Created and started, not resumed.
37    static final int RESUMED = 3;       // Created started and resumed.
38
39    int mState = INITIALIZING;
40    int mBackStackNesting;
41    Activity mActivity;
42
43    boolean mCalled;
44    int mContainerId;
45
46    ViewGroup mContainer;
47    View mView;
48
49    public Fragment() {
50    }
51
52    public Activity getActivity() {
53        return mActivity;
54    }
55
56    public void onInflate(Activity activity, AttributeSet attrs) {
57        mCalled = true;
58    }
59
60    public void onAttach(Activity activity) {
61        mCalled = true;
62    }
63
64    public Animation onCreateAnimation(int transit, boolean enter) {
65        return null;
66    }
67
68    public void onCreate(Bundle savedInstanceState) {
69        mCalled = true;
70    }
71
72    public View onCreateView(LayoutInflater inflater, ViewGroup container) {
73        return null;
74    }
75
76    public void onRestoreInstanceState(Bundle savedInstanceState) {
77    }
78
79    public void onStart() {
80        mCalled = true;
81    }
82
83    public void onResume() {
84        mCalled = true;
85    }
86
87    public void onSaveInstanceState(Bundle outState) {
88    }
89
90    public void onConfigurationChanged(Configuration newConfig) {
91        mCalled = true;
92    }
93
94    public Object onRetainNonConfigurationInstance() {
95        return null;
96    }
97
98    public void onPause() {
99        mCalled = true;
100    }
101
102    public void onStop() {
103        mCalled = true;
104    }
105
106    public void onLowMemory() {
107        mCalled = true;
108    }
109
110    public void onDestroy() {
111        mCalled = true;
112    }
113
114    public void onDetach() {
115        mCalled = true;
116    }
117}
118