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