AlignmentTest.java revision 93cd6a6c78683643de51f9e698b38847bd1f1155 
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
17package com.android.test.layout;
18
19import android.app.Activity;
20import android.content.Context;
21import android.os.Bundle;
22import android.view.View;
23import android.view.ViewGroup;
24import android.widget.Button;
25import android.widget.EditText;
26import android.widget.GridLayout;
27import android.widget.TextView;
28
29import static android.widget.GridLayout.*;
30
31public class AlignmentTest  extends Activity {
32
33    public static final String[] HORIZONTAL_NAMES = {"LEFT", "center", "east", "fill"};
34    public static final Alignment[] HORIZONTAL_ALIGNMENTS = {LEFT, CENTER, RIGHT, FILL};
35    public static final String[] VERTICAL_NAMES = {"north", "center", "baseline", "south", "fill"};
36    public static final Alignment[] VERTICAL_ALIGNMENTS = {TOP, CENTER, BASELINE, BOTTOM, FILL};
37    private static Context CONTEXT;
38
39    public static interface ViewFactory {
40        View create(String name, int size);
41    }
42
43    public static final ViewFactory BUTTON_FACTORY = new ViewFactory() {
44        public View create(String name, int size) {
45            Button result = new Button(CONTEXT);
46            result.setText(name);
47           result.setOnClickListener(new OnClickListener() {
48               @Override
49               public void onClick(View v) {
50                    animate(v);
51               }
52           });
53            return result;
54        }
55    };
56
57    public static final ViewFactory LABEL_FACTORY = new ViewFactory() {
58        public View create(String name, int size) {
59            TextView result = new TextView(CONTEXT);
60            result.setText(name);
61            result.setTextSize(40);
62            return result;
63        }
64    };
65
66    public static final ViewFactory TEXT_FIELD_FACTORY = new ViewFactory() {
67        public View create(String name, int size) {
68            EditText result = new EditText(CONTEXT);
69            result.setText(name);
70            return result;
71        }
72    };
73
74    public static final ViewFactory[] FACTORIES =
75                            {BUTTON_FACTORY, LABEL_FACTORY, TEXT_FIELD_FACTORY};
76
77    public static ViewGroup create(Context context1) {
78        CONTEXT = context1;
79        GridLayout container = new GridLayout(context1);
80        container.setUseDefaultMargins(true);
81
82        for (int i = 0; i < VERTICAL_ALIGNMENTS.length; i++) {
83            Alignment va = VERTICAL_ALIGNMENTS[i];
84            for (int j = 0; j < HORIZONTAL_ALIGNMENTS.length; j++) {
85                Alignment ha = HORIZONTAL_ALIGNMENTS[j];
86                LayoutParams layoutParams = new LayoutParams(spec(i, va), spec(j, ha));
87                String name = VERTICAL_NAMES[i] + "-" + HORIZONTAL_NAMES[j];
88                ViewFactory factory = FACTORIES[(i + j) % FACTORIES.length];
89                container.addView(factory.create(name, 20), layoutParams);
90            }
91        }
92
93        return container;
94    }
95
96    public static void animate(View v) {
97
98        long start = System.currentTimeMillis();
99        int N = 1000;
100        for (int i = 0; i < N; i++) {
101            ViewGroup.LayoutParams lp = v.getLayoutParams();
102            lp.width += 1; // width;
103            lp.height += 1; // height;
104            v.requestLayout();
105            GridLayout p = (GridLayout) v.getParent();
106            p.layout(0, 0, 1000 + (i % 2), 500 + (i % 2));
107        }
108        float time = (float) (System.currentTimeMillis() - start) / N * 1000;
109        System.out.println("Time: " + time + "mics");
110    }
111
112    protected void onCreate(Bundle savedInstanceState) {
113        super.onCreate(savedInstanceState);
114        setContentView(create(getBaseContext()));
115    }
116
117}