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.view.View; 23 import android.view.View.OnClickListener; 24 import android.view.ViewGroup; 25 import android.widget.Button; 26 import android.widget.EditText; 27 import android.widget.GridLayout; 28 import android.widget.GridLayout.Alignment; 29 import android.widget.GridLayout.LayoutParams; 30 import android.widget.TextView; 31 32 import static android.widget.GridLayout.BASELINE; 33 import static android.widget.GridLayout.BOTTOM; 34 import static android.widget.GridLayout.CENTER; 35 import static android.widget.GridLayout.FILL; 36 import static android.widget.GridLayout.LEFT; 37 import static android.widget.GridLayout.RIGHT; 38 import static android.widget.GridLayout.TOP; 39 import static android.widget.GridLayout.spec; 40 41 public class AlignmentTest extends Activity { 42 43 public static final String[] HORIZONTAL_NAMES = {"LEFT", "center", "east", "fill"}; 44 public static final Alignment[] HORIZONTAL_ALIGNMENTS = {LEFT, CENTER, RIGHT, FILL}; 45 public static final String[] VERTICAL_NAMES = {"north", "center", "baseline", "south", "fill"}; 46 public static final Alignment[] VERTICAL_ALIGNMENTS = {TOP, CENTER, BASELINE, BOTTOM, FILL}; 47 private static Context CONTEXT; 48 49 public static interface ViewFactory { create(String name, int size)50 View create(String name, int size); 51 } 52 53 public static final ViewFactory BUTTON_FACTORY = new ViewFactory() { 54 public View create(String name, int size) { 55 Button result = new Button(CONTEXT); 56 result.setText(name); 57 result.setOnClickListener(new OnClickListener() { 58 @Override 59 public void onClick(View v) { 60 animate(v); 61 } 62 }); 63 return result; 64 } 65 }; 66 67 public static final ViewFactory LABEL_FACTORY = new ViewFactory() { 68 public View create(String name, int size) { 69 TextView result = new TextView(CONTEXT); 70 result.setText(name); 71 result.setTextSize(40); 72 return result; 73 } 74 }; 75 76 public static final ViewFactory TEXT_FIELD_FACTORY = new ViewFactory() { 77 public View create(String name, int size) { 78 EditText result = new EditText(CONTEXT); 79 result.setText(name); 80 return result; 81 } 82 }; 83 84 public static final ViewFactory[] FACTORIES = 85 {BUTTON_FACTORY, LABEL_FACTORY, TEXT_FIELD_FACTORY}; 86 create(Context context1)87 public static ViewGroup create(Context context1) { 88 CONTEXT = context1; 89 GridLayout container = new GridLayout(context1); 90 container.setUseDefaultMargins(true); 91 92 for (int i = 0; i < VERTICAL_ALIGNMENTS.length; i++) { 93 Alignment va = VERTICAL_ALIGNMENTS[i]; 94 for (int j = 0; j < HORIZONTAL_ALIGNMENTS.length; j++) { 95 Alignment ha = HORIZONTAL_ALIGNMENTS[j]; 96 LayoutParams layoutParams = new LayoutParams(spec(i, va), spec(j, ha)); 97 String name = VERTICAL_NAMES[i] + "-" + HORIZONTAL_NAMES[j]; 98 ViewFactory factory = FACTORIES[(i + j) % FACTORIES.length]; 99 container.addView(factory.create(name, 20), layoutParams); 100 } 101 } 102 103 return container; 104 } 105 animate(View v)106 public static void animate(View v) { 107 108 long start = System.currentTimeMillis(); 109 int N = 1000; 110 for (int i = 0; i < N; i++) { 111 ViewGroup.LayoutParams lp = v.getLayoutParams(); 112 lp.width += 1; // width; 113 lp.height += 1; // height; 114 v.requestLayout(); 115 GridLayout p = (GridLayout) v.getParent(); 116 p.layout(0, 0, 1000 + (i % 2), 500 + (i % 2)); 117 } 118 float time = (float) (System.currentTimeMillis() - start) / N * 1000; 119 System.out.println("Time: " + time + "mics"); 120 } 121 onCreate(Bundle savedInstanceState)122 protected void onCreate(Bundle savedInstanceState) { 123 super.onCreate(savedInstanceState); 124 setContentView(create(getBaseContext())); 125 } 126 127 }