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.ViewGroup; 24 import android.widget.Button; 25 import android.widget.EditText; 26 import android.widget.GridLayout; 27 import android.widget.TextView; 28 29 import static android.widget.GridLayout.*; 30 31 public 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 { create(String name, int size)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 create(Context context1)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 animate(View v)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 onCreate(Bundle savedInstanceState)112 protected void onCreate(Bundle savedInstanceState) { 113 super.onCreate(savedInstanceState); 114 setContentView(create(getBaseContext())); 115 } 116 117 }