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 android.app;
18 
19 import com.android.frameworks.coretests.R;
20 
21 import android.app.Activity;
22 import android.os.Bundle;
23 import android.view.WindowManager;
24 
25 
26 /**
27  * <h3>Fancy Translucent Activity</h3>
28  *
29  * <p>This demonstrates the how to write an activity that is translucent,
30  * allowing windows underneath to show through, with a fancy
31  * compositing effect.</p>
32  *
33  * <h4>Demo</h4>
34  * App/Activity/Translucent Fancy
35  *
36  * <h4>Source files</h4>
37  * <table class="LinkTable">
38  *         <tr>
39  *             <td >src/com/android/samples/app/TranslucentFancyActivity.java</td>
40  *             <td >The Translucent Fancy Screen implementation</td>
41  *         </tr>
42  *         <tr>
43  *             <td >/res/any/layout/translucent_background.xml</td>
44  *             <td >Defines contents of the screen</td>
45  *         </tr>
46  * </table>
47  */
48 public class TranslucentFancyActivity 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 icicle)56     protected void onCreate(Bundle icicle)
57     {
58         // Be sure to call the super class.
59         super.onCreate(icicle);
60 
61         // Have the system blur any windows behind this one.
62         getWindow().setFlags(WindowManager.LayoutParams.FLAG_BLUR_BEHIND,
63                 WindowManager.LayoutParams.FLAG_BLUR_BEHIND);
64 
65         // See assets/res/any/layout/translucent_background.xml for this
66         // view layout definition, which is being set here as
67         // the content of our screen.
68         setContentView(R.layout.translucent_background);
69     }
70 }
71