Androidの最も簡単な円形のピクチャー、枠付き

public class XCRoundRectImageView extends ImageView{
    
    public XCRoundRectImageView(Context context) {
        this(context,null);  
    }  
  
    public XCRoundRectImageView(Context context, AttributeSet attrs) {  
        this(context, attrs,0);  
    }  
  
    public XCRoundRectImageView(Context context, AttributeSet attrs, int defStyle) {  
        super(context, attrs, defStyle);
    }
    /**
     *       
     * @author caizhiming
     */
    @Override  
    protected void onDraw(Canvas canvas) {
        Path mPath = new Path();
        int width = getMeasuredWidth();
        int height = getMeasuredHeight();
        mPath.addCircle(width/2, height/2, height/2, Path.Direction.CW);
        canvas.clipPath(mPath);//        
        super.onDraw(canvas);

        //      
        Paint paint=new Paint();
        paint.setStyle(Paint.Style.STROKE);
        paint.setStrokeWidth(10);
        paint.setColor(Color.RED);
        canvas.drawPath(mPath,paint);
    }

}