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      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 
     52     public FakeView(Context context) {
     53         super(context);
     54     }
     55 
     56     @Override
     57     protected void onAttachedToWindow() {
     58         super.onAttachedToWindow();
     59         mHandler.sendEmptyMessageDelayed(MSG_TICK, TICK_DELAY);
     60     }
     61 
     62     @Override
     63     protected void onDetachedFromWindow() {
     64         super.onDetachedFromWindow();
     65         mHandler.removeMessages(MSG_TICK);
     66     }
     67 
     68     @Override
     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