1 /*
2  * Copyright (C) 2011 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.android.test.layout;
18 
19 import android.app.Activity;
20 import android.content.Context;
21 import android.os.Bundle;
22 import android.util.Log;
23 import android.view.View;
24 import android.view.ViewGroup;
25 import android.widget.Button;
26 
27 import static android.view.Gravity.BOTTOM;
28 import static android.view.Gravity.CENTER;
29 import static android.view.Gravity.FILL;
30 import static android.view.Gravity.LEFT;
31 import static android.view.Gravity.NO_GRAVITY;
32 import static android.view.Gravity.RIGHT;
33 import static android.view.Gravity.TOP;
34 
35 public abstract class AbstractLayoutTest extends Activity {
36 
37     public static final String[] HORIZONTAL_NAMES = { "LEFT", "CENTER", "RIGHT", "FILL" };
38     public static final int[] HORIZONTAL_ALIGNMENTS = { LEFT, CENTER, RIGHT, FILL };
39     public static final String[] VERTICAL_NAMES = { "TOP", "CENTER", "BASELINE", "BOTTOM", "FILL" };
40     public static final int[] VERTICAL_ALIGNMENTS = { TOP, CENTER, NO_GRAVITY, BOTTOM, FILL };
41 
create(Context context, String name, int size)42     public View create(Context context, String name, int size) {
43         Button result = new Button(context);
44         result.setText(name);
45         result.setOnClickListener(new View.OnClickListener() {
46             public void onClick(View v) {
47                 animate(v);
48             }
49         });
50         return result;
51     }
52 
create(Context context)53     public abstract ViewGroup create(Context context);
tag()54     public abstract String tag();
55 
animate(View v)56     public void animate(View v) {
57         long start = System.currentTimeMillis();
58         int N = 1000;
59         for (int i = 0; i < N; i++) {
60             ViewGroup.MarginLayoutParams lp = (ViewGroup.MarginLayoutParams) v.getLayoutParams();
61             lp.topMargin = (lp.topMargin + 1) % 31;
62             lp.leftMargin = (lp.leftMargin + 1) % 31;
63 
64             v.requestLayout();
65             v.invalidate();
66             ViewGroup p = (ViewGroup) v.getParent();
67             p.layout(0, 0, 1000 + (i % 2), 500 + (i % 2));
68         }
69         Log.d(tag(), "Time: " + (float) (System.currentTimeMillis() - start) / N * 1000 + "mics");
70     }
71 
onCreate(Bundle savedInstanceState)72     protected void onCreate(Bundle savedInstanceState) {
73         super.onCreate(savedInstanceState);
74         setContentView(create(getBaseContext()));
75     }
76 
77 }