Android Open Source - app-gkplayer-android Progress View

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Back to project page app-gkplayer-android.

License

The source code is released under:

Apache License

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Java Source Code

package com.roamtouch.gesturekit.gkplayer.graphics;
//from  w w w.  jav a 2  s.  co  m
import android.content.Context;
import android.graphics.Canvas;
import android.graphics.Paint;
import android.graphics.Paint.Align;
import android.graphics.PointF;
import android.graphics.RectF;
import android.text.TextPaint;
import android.widget.ImageView;

public class ProgressView extends ImageView {
  private Paint paint = new Paint();
  private TextPaint textPaint = new TextPaint();
  private long progressAngle = 0;
  private String text = "";
  private PointF textPoint = new PointF();
  private RectF innerRect = new RectF();
  private RectF outerRect = new RectF();
  private float innerStroke = 0;
  private float outerStroke = 0;

  public ProgressView(Context context) {
    super(context);
    paint.setAntiAlias(true);
    paint.setStyle(Paint.Style.STROKE);
    paint.setColor(0x77FFFFFF);
    
    textPaint.setColor(0xFFFFFFFF);
    textPaint.setFakeBoldText(false);
    textPaint.setTextAlign(Align.CENTER);
  }
  
  @Override
  public void onDraw(Canvas canvas){
    super.onDraw(canvas);
    paint.setColor(0x77FFFFFF);
    paint.setStrokeWidth(innerStroke);
    canvas.drawArc(innerRect, 0, 360, false, paint);
    paint.setStrokeWidth(outerStroke);
    paint.setColor(0x77000000);
    canvas.drawArc(outerRect, 270, progressAngle, false, paint);
    paint.setColor(0x44FFFFFF);
    canvas.drawArc(outerRect, (270+progressAngle)%360, 360 - progressAngle, false, paint);
    
    canvas.drawText(text, textPoint.x, textPoint.y, textPaint);
  }
  
  @Override
  public void onLayout(boolean changed, int left, int top, int right, int bottom){
    super.onLayout(changed, left, top, right, bottom);
    
    outerStroke = (right - left) * 0.18f;
    float padding = outerStroke*1.01f;
    outerRect.set(padding,  padding, right - left - padding, bottom - top - padding);
    textPaint.setTextSize((int)(outerStroke / 1.2f));
    textPoint.set(outerRect.left + outerRect.width() / 2, outerRect.top + outerRect.bottom - textPaint.getTextSize());
    
    innerStroke = (right - left) * 0.08f;
    
    float size = outerRect.width() - outerStroke * 2;
    innerRect.left = outerRect.left + (outerRect.width()-size)/2;
    innerRect.top = outerRect.top + (outerRect.height()-size)/2;
    innerRect.right = innerRect.left + size;
    innerRect.bottom = innerRect.top + size;
  }
  
  public void setProgress(long currentTime, long totalTime){
    this.progressAngle = currentTime * 360 / totalTime;
    text = milliSecondsToTimer(currentTime);
    postInvalidate();
  }
  
  private String milliSecondsToTimer(long milliseconds) {
    String finalTimerString = "";
    String secondsString = "";

    int hours = (int) (milliseconds / (1000 * 60 * 60));
    int minutes = (int) (milliseconds % (1000 * 60 * 60)) / (1000 * 60);
    int seconds = (int) ((milliseconds % (1000 * 60 * 60)) % (1000 * 60) / 1000);

    if (hours > 0) {
      finalTimerString = hours + ":";
    }

    if (seconds < 10) 
      secondsString = "0" + seconds;
    else
      secondsString = "" + seconds;
    
    finalTimerString = finalTimerString + minutes + ":" + secondsString;

    return finalTimerString;
  }

}

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