Home | History | Annotate | Download | only in statsd 
      1 /*
      2  * Copyright (C) 2018 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.server.cts.device.statsd;
     18 
     19 import android.view.View;
     20 import android.content.Context;
     21 import android.content.res.TypedArray;
     22 import android.graphics.Canvas;
     23 import android.graphics.Color;
     24 import android.graphics.Paint;
     25 import android.graphics.Paint.FontMetrics;
     26 import android.os.SystemClock;
     27 import android.util.AttributeSet;
     28 import android.util.Log;
     29 
     30 
     31 public class DaveyView extends View {
     32 
     33     private static final String TAG = "statsdDaveyView";
     34 
     35     private static final long DAVEY_TIME_MS = 750; // A bit more than 700ms to be safe.
     36     private boolean mCauseDavey;
     37     private Paint mPaint;
     38     private int mTexty;
     39 
     40     public DaveyView(Context context, AttributeSet attrs) {
     41         super(context, attrs);
     42         TypedArray a = context.getTheme().obtainStyledAttributes(
     43                 attrs,
     44                 R.styleable.DaveyView,
     45                 0, 0);
     46 
     47         try {
     48             mCauseDavey = a.getBoolean(R.styleable.DaveyView_causeDavey, false);
     49         } finally {
     50             a.recycle();
     51         }
     52 
     53         mPaint = new Paint();
     54         mPaint.setColor(Color.BLACK);
     55         mPaint.setTextSize(20);
     56         FontMetrics metric = mPaint.getFontMetrics();
     57         int textHeight = (int) Math.ceil(metric.descent - metric.ascent);
     58         mTexty = textHeight - (int) metric.descent;
     59     }
     60 
     61     public void causeDavey(boolean cause) {
     62         mCauseDavey = cause;
     63         invalidate();
     64     }
     65 
     66     @Override
     67     protected void onDraw(Canvas canvas) {
     68         super.onDraw(canvas);
     69         if (mCauseDavey) {
     70             canvas.drawText("Davey!", 0, mTexty, mPaint);
     71             SystemClock.sleep(DAVEY_TIME_MS);
     72             mCauseDavey = false;
     73         } else {
     74             canvas.drawText("No Davey", 0, mTexty, mPaint);
     75         }
     76     }
     77 }