1 /*
2  * Copyright (C) 2017 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.hwui;
18 
19 import android.app.Activity;
20 import android.graphics.Bitmap;
21 import android.graphics.Canvas;
22 import android.graphics.Color;
23 import android.graphics.Paint;
24 import android.graphics.Picture;
25 import android.os.Bundle;
26 import android.widget.ImageView;
27 
28 public class DrawIntoHwBitmapActivity extends Activity {
29     @Override
onCreate(Bundle savedInstanceState)30     protected void onCreate(Bundle savedInstanceState) {
31         super.onCreate(savedInstanceState);
32         ImageView view = new ImageView(this);
33         view.setScaleType(ImageView.ScaleType.CENTER_INSIDE);
34         setContentView(view);
35         view.setImageBitmap(createBitmap());
36     }
37 
createBitmap()38     Bitmap createBitmap() {
39         Picture picture = new Picture();
40         Canvas canvas = picture.beginRecording(500, 500);
41         Paint p = new Paint();
42         p.setColor(Color.BLACK);
43         p.setTextSize(20 * getResources().getDisplayMetrics().density);
44         canvas.drawColor(0xFF2196F3);
45         p.setColor(0xFFBBDEFB);
46         canvas.drawRect(0, 0, 500, 100, p);
47         p.setColor(Color.BLACK);
48         canvas.drawText("Hello, World!", 0, 90, p);
49         picture.endRecording();
50         return Bitmap.createBitmap(picture);
51     }
52 }
53