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.view;
18 
19 import android.app.Activity;
20 import android.graphics.drawable.Drawable;
21 import android.os.Bundle;
22 import android.view.View.OnClickListener;
23 import android.widget.AbsoluteLayout;
24 import android.widget.Button;
25 import android.widget.FrameLayout;
26 import android.widget.LinearLayout;
27 import android.widget.RelativeLayout;
28 import android.widget.TextView;
29 
30 import com.android.frameworks.coretests.R;
31 
32 /**
33  * Views should obey their background {@link Drawable}'s minimum size
34  * requirements ({@link Drawable#getMinimumHeight()} and
35  * {@link Drawable#getMinimumWidth()}) when possible.
36  * <p>
37  * This Activity exercises a few Views with background {@link Drawable}s.
38  */
39 public class DrawableBgMinSize extends Activity implements OnClickListener {
40     private boolean mUsingBigBg = false;
41     private Drawable mBackgroundDrawable;
42     private Drawable mBigBackgroundDrawable;
43     private Button mChangeBackgroundsButton;
44 
45     private TextView mTextView;
46     private LinearLayout mLinearLayout;
47     private RelativeLayout mRelativeLayout;
48     private FrameLayout mFrameLayout;
49     private AbsoluteLayout mAbsoluteLayout;
50 
51     @Override
onCreate(Bundle icicle)52     protected void onCreate(Bundle icicle) {
53         super.onCreate(icicle);
54 
55         setContentView(R.layout.drawable_background_minimum_size);
56 
57         mBackgroundDrawable = getResources().getDrawable(R.drawable.drawable_background);
58         mBigBackgroundDrawable = getResources().getDrawable(R.drawable.big_drawable_background);
59 
60         mChangeBackgroundsButton = findViewById(R.id.change_backgrounds);
61         mChangeBackgroundsButton.setOnClickListener(this);
62 
63         mTextView = findViewById(R.id.text_view);
64         mLinearLayout = findViewById(R.id.linear_layout);
65         mRelativeLayout = findViewById(R.id.relative_layout);
66         mFrameLayout = findViewById(R.id.frame_layout);
67         mAbsoluteLayout = findViewById(R.id.absolute_layout);
68 
69         changeBackgrounds(mBackgroundDrawable);
70     }
71 
changeBackgrounds(Drawable newBg)72     private void changeBackgrounds(Drawable newBg) {
73         mTextView.setBackgroundDrawable(newBg);
74         mLinearLayout.setBackgroundDrawable(newBg);
75         mRelativeLayout.setBackgroundDrawable(newBg);
76         mFrameLayout.setBackgroundDrawable(newBg);
77         mAbsoluteLayout.setBackgroundDrawable(newBg);
78     }
79 
onClick(View v)80     public void onClick(View v) {
81         if (mUsingBigBg) {
82             changeBackgrounds(mBackgroundDrawable);
83         } else {
84             changeBackgrounds(mBigBackgroundDrawable);
85         }
86 
87         mUsingBigBg = !mUsingBigBg;
88     }
89 
90 }
91