1 /* 2 * Copyright (C) 2012 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.fakeoemfeatures; 18 19 import java.util.Random; 20 21 import android.content.Context; 22 import android.graphics.Canvas; 23 import android.graphics.Paint; 24 import android.os.Handler; 25 import android.os.Message; 26 import android.view.View; 27 28 /** 29 * Dummy view to emulate stuff an OEM may want to do. 30 */ 31 public class FakeView extends View { 32 static final long TICK_DELAY = 30*1000; // 30 seconds 33 static final int MSG_TICK = 1; 34 35 final Handler mHandler = new Handler() { 36 @Override public void handleMessage(Message msg) { 37 switch (msg.what) { 38 case MSG_TICK: 39 invalidate(); 40 sendEmptyMessageDelayed(MSG_TICK, TICK_DELAY); 41 break; 42 default: 43 super.handleMessage(msg); 44 break; 45 } 46 } 47 }; 48 49 final Paint mPaint = new Paint(); 50 final Random mRandom = new Random(); 51 FakeView(Context context)52 public FakeView(Context context) { 53 super(context); 54 } 55 56 @Override onAttachedToWindow()57 protected void onAttachedToWindow() { 58 super.onAttachedToWindow(); 59 mHandler.sendEmptyMessageDelayed(MSG_TICK, TICK_DELAY); 60 } 61 62 @Override onDetachedFromWindow()63 protected void onDetachedFromWindow() { 64 super.onDetachedFromWindow(); 65 mHandler.removeMessages(MSG_TICK); 66 } 67 68 @Override onDraw(Canvas canvas)69 protected void onDraw(Canvas canvas) { 70 super.onDraw(canvas); 71 canvas.drawColor(0xff000000); 72 mPaint.setTextSize(mRandom.nextInt(40) + 10); 73 mPaint.setColor(0xff000000 + mRandom.nextInt(0x1000000)); 74 int x = mRandom.nextInt(getWidth()) - (getWidth()/2); 75 int y = mRandom.nextInt(getHeight()); 76 canvas.drawText("abcdefghijklmnopqrstuvwxyz0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ", 77 x, y, mPaint); 78 } 79 } 80