Android Open Source - android-clock-livewallpaper Analog Clock

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Back to project page android-clock-livewallpaper.

License

The source code is released under:

MIT License

Java Source Code

package com.ssaurel.clocklw;
/*w  ww  .j ava  2s .c  om*/
import java.util.Calendar;
import java.util.Date;

import android.content.Context;
import android.graphics.Bitmap;
import android.graphics.BitmapFactory;
import android.graphics.Canvas;
import android.graphics.Paint;
import android.view.View;

/**
 * Analog Clock view
 * 
 * @author sylsau - sylvain.saurel@gmail.com - http://www.ssaurel.com
 *
 */
public class AnalogClock extends View {
  
  /** center X. */
  private float x;
  /** center Y. */
  private float y;
  private int radius;
  private Calendar cal;
  private Paint paint;
  private Bitmap clockDial = BitmapFactory.decodeResource(getResources(),
      R.drawable.widgetdial);
  private int sizeScaled = -1;
  private Bitmap clockDialScaled;
  /** Hands colors. */
  private int[] colors;
  private boolean displayHandSec;

  public AnalogClock(Context context) {
    super(context);
    cal = Calendar.getInstance();
  }
  
  public void config(float x, float y, int size, Date date, Paint paint, int[] colors, boolean displayHandSec) {
    this.x = x;
    this.y = y;
    this.paint = paint;
    this.colors = colors;
    this.displayHandSec = displayHandSec;
    
    cal.setTime(date);
    
    // scale bitmap if needed
    if (size != sizeScaled) {
      clockDialScaled = Bitmap.createScaledBitmap(clockDial, size, size, false);
      radius = size / 2;
    }
  }

  protected void onDraw(Canvas canvas) {
    super.onDraw(canvas);
    
    if (paint != null) {
      // draw clock img
      canvas.drawBitmap(clockDialScaled, x - radius, y - radius, null);
      
      float sec = cal.get(Calendar.SECOND);
      float min = cal.get(Calendar.MINUTE);
      float hour = cal.get(Calendar.HOUR_OF_DAY);
      //draw hands
      paint.setColor(colors[0]);
      canvas.drawLine(x, y, (float) (x + (radius * 0.5f) * Math.cos(Math.toRadians((hour / 12.0f * 360.0f) - 90f))),
          (float) (y + (radius * 0.5f) * Math.sin(Math.toRadians((hour / 12.0f * 360.0f) - 90f))), paint);
      canvas.save();
      paint.setColor(colors[1]);
      canvas.drawLine(x, y, (float) (x + (radius * 0.6f) * Math.cos(Math.toRadians((min / 60.0f * 360.0f) - 90f))),
          (float) (y + (radius * 0.6f) * Math.sin(Math.toRadians((min / 60.0f * 360.0f) - 90f))), paint);
      canvas.save();
      
      if (displayHandSec) {
        paint.setColor(colors[2]);
        canvas.drawLine(x, y, (float) (x + (radius * 0.7f) * Math.cos(Math.toRadians((sec / 60.0f * 360.0f) - 90f))),
          (float) (y + (radius * 0.7f) * Math.sin(Math.toRadians((sec / 60.0f * 360.0f) - 90f))), paint);
      }
    }
  }
}

Java Source Code List

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