AlignmentTest.java revision aa616f31fe7c0c8e3657bb9a5889ec5e56ee5232 
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.view.ViewParent;
25import android.widget.Button;
26import android.widget.EditText;
27import android.widget.GridLayout;
28import android.widget.TextView;
29
30import static android.widget.GridLayout.*;
31
32public class AlignmentTest  extends Activity {
33
34    public static final String[] HORIZONTAL_NAMES = new String[]{"LEFT", "center", "east", "fill"};
35    public static final Alignment[] HORIZONTAL_ALIGNMENTS = new Alignment[]{LEFT, CENTER, RIGHT, FILL};
36    public static final String[] VERTICAL_NAMES = new String[]{"north", "center", "baseline", "south", "fill"};
37    public static final Alignment[] VERTICAL_ALIGNMENTS = new Alignment[]{TOP, CENTER, BASELINE, BOTTOM, FILL};
38    private static Context CONTEXT;
39
40    public static interface ViewFactory {
41        View create(String name, int size);
42    }
43
44    public static final ViewFactory BUTTON_FACTORY = new ViewFactory() {
45        public View create(String name, int size) {
46            Button result = new Button(CONTEXT);
47            result.setText(name);
48           result.setOnClickListener(new OnClickListener() {
49               @Override
50               public void onClick(View v) {
51                    animate(v);
52               }
53           });
54            return result;
55        }
56    };
57
58    public static final ViewFactory LABEL_FACTORY = new ViewFactory() {
59        public View create(String name, int size) {
60            TextView result = new TextView(CONTEXT);
61            result.setText(name);
62            result.setTextSize(40);
63            return result;
64        }
65    };
66
67    public static final ViewFactory TEXT_FIELD_FACTORY = new ViewFactory() {
68        public View create(String name, int size) {
69            EditText result = new EditText(CONTEXT);
70            result.setText(name);
71            return result;
72        }
73    };
74
75    public static final ViewFactory[] FACTORIES = new ViewFactory[]{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                Group rowGroup = new Group(i, va);
87                Group colGroup = new Group(j, ha);
88                LayoutParams layoutParams = new LayoutParams(rowGroup, colGroup);
89                container.addView(FACTORIES[(i + j) % FACTORIES.length].create(VERTICAL_NAMES[i] + "-" + HORIZONTAL_NAMES[j], 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        System.out.println("Time: " + (float) (System.currentTimeMillis() - start) / N * 1000 + "mics");
109    }
110
111    protected void onCreate(Bundle savedInstanceState) {
112        super.onCreate(savedInstanceState);
113        setContentView(create(getBaseContext()));
114    }
115
116}