1 /*
2  * Copyright (C) 2007 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.example.android.apis.app;
18 
19 // Need the following import to get access to the app resources, since this
20 // class is in a sub-package.
21 import com.example.android.apis.R;
22 
23 import android.app.Activity;
24 import android.os.Bundle;
25 
26 
27 /**
28  * Simple example of writing an application Activity.
29  * Hello World</a></h3>
30 
31 <p>This demonstrates the basic code needed to write a Screen activity.</p>
32 
33 <h4>Demo</h4>
34 App/Activity/Hello World
35 
36 <h4>Source files</h4>
37  * <table class="LinkTable">
38  *         <tr>
39  *             <td >src/com.example.android.apis/app/HelloWorld.java</td>
40  *             <td >The Hello World Screen implementation</td>
41  *         </tr>
42  *         <tr>
43  *             <td >/res/any/layout/hello_world.xml</td>
44  *             <td >Defines contents of the screen</td>
45  *         </tr>
46  * </table>
47  */
48 public class HelloWorld extends Activity
49 {
50     /**
51      * Initialization of the Activity after it is first created.  Must at least
52      * call {@link android.app.Activity#setContentView setContentView()} to
53      * describe what is to be displayed in the screen.
54      */
55     @Override
onCreate(Bundle savedInstanceState)56 	protected void onCreate(Bundle savedInstanceState)
57     {
58         // Be sure to call the super class.
59         super.onCreate(savedInstanceState);
60 
61         // See assets/res/any/layout/hello_world.xml for this
62         // view layout definition, which is being set here as
63         // the content of our screen.
64         setContentView(R.layout.hello_world);
65     }
66 }
67