1 /* 2 * Copyright (C) 2010 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.content.Context; 21 import android.graphics.Canvas; 22 import android.graphics.Paint; 23 import android.os.Bundle; 24 import android.view.View; 25 26 @SuppressWarnings({"UnusedDeclaration"}) 27 public class RotationActivity extends Activity { 28 @Override 29 protected void onCreate(Bundle savedInstanceState) { 30 super.onCreate(savedInstanceState); 31 32 DrawingView container = new DrawingView(this); 33 34 setContentView(container); 35 } 36 37 @SuppressWarnings({"UnusedDeclaration"}) 38 static int dipToPx(Context c, int dip) { 39 return (int) (c.getResources().getDisplayMetrics().density * dip + 0.5f); 40 } 41 42 static class DrawingView extends View { 43 private final Paint mPaint; 44 45 DrawingView(Context c) { 46 super(c); 47 mPaint = new Paint(); 48 mPaint.setAntiAlias(true); 49 } 50 51 @Override 52 protected void onDraw(Canvas canvas) { 53 canvas.save(); 54 canvas.translate(dipToPx(getContext(), 400), dipToPx(getContext(), 200)); 55 canvas.rotate(45.0f); 56 canvas.drawRGB(255, 255, 255); 57 mPaint.setColor(0xffff0000); 58 canvas.drawRect(-80.0f, -80.0f, 80.0f, 80.0f, mPaint); 59 canvas.drawRect(0.0f, 0.0f, 220.0f, 220.0f, mPaint); 60 canvas.restore(); 61 } 62 } 63 } 64
