okbutton.java

来自「基于JAVA的android源码(由台人所写)」· Java 代码 · 共 34 行

package com.misoo.pkaz;
import android.content.Context;
import android.graphics.Canvas;
import android.graphics.Color;
import android.graphics.Paint;
import android.widget.Button;

public class okButton extends Button{
	public okButton(Context ctx){
	       super(ctx);
	       super.setText("  K");
	       super.setTextColor(Color.RED);
	       super.setTextSize(30);
	       }
	@Override 
	protected void onDraw(Canvas canvas) {
		 super.onDraw(canvas);
		 Paint pa = new Paint();
		 pa.setColor(Color.YELLOW);
         canvas.drawCircle(30, 25, 17, pa);
		 pa.setColor(Color.RED);
         canvas.drawCircle(30, 25, 15, pa);
         pa.setColor(Color.YELLOW);
         canvas.drawCircle(30, 25, 12, pa);
	}
	public int get_width(){
		return 90;
	}
	public int get_height(){
	    return 60;
		}
}