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 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 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
