1 /*
2  * Copyright (C) 2009 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.view;
18 
19 import android.app.Activity;
20 import android.os.Bundle;
21 import android.widget.Button;
22 import android.widget.LinearLayout;
23 
24 import com.android.frameworks.coretests.R;
25 
26 public class MutateDrawable extends Activity {
27     @Override
onCreate(Bundle savedInstanceState)28     protected void onCreate(Bundle savedInstanceState) {
29         super.onCreate(savedInstanceState);
30 
31         LinearLayout layout = new LinearLayout(this);
32 
33         Button ok = new Button(this);
34         ok.setId(R.id.a);
35         ok.setBackgroundDrawable(getResources().getDrawable(
36                 R.drawable.sym_now_playing_skip_forward_1));
37 
38         Button cancel = new Button(this);
39         cancel.setId(R.id.b);
40         cancel.setBackgroundDrawable(getResources().getDrawable(
41                 R.drawable.sym_now_playing_skip_forward_1));
42 
43         layout.addView(ok);
44         layout.addView(cancel);
45 
46         ok.getBackground().mutate().setAlpha(127);
47 
48         setContentView(layout);
49     }
50 }
51