RoundedCorner

RoundedCornerLayout.java

public class RoundedCornerLayout extends FrameLayout {
    private final static float CORNER_RADIUS = 6.0f;
    private float cornerRadius;

    public RoundedCornerLayout(Context context) {
        super(context);
        init(context, null, 0);
    }

    public RoundedCornerLayout(Context context, AttributeSet attrs) {
        super(context, attrs);
        init(context, attrs, 0);
    }

    public RoundedCornerLayout(Context context, AttributeSet attrs, int defStyle) {
        super(context, attrs, defStyle);
        init(context, attrs, defStyle);
    }

    private void init(Context context, AttributeSet attrs, int defStyle) {
        DisplayMetrics metrics = context.getResources().getDisplayMetrics();
        cornerRadius = TypedValue.applyDimension(TypedValue.COMPLEX_UNIT_DIP, CORNER_RADIUS, metrics);
        setLayerType(View.LAYER_TYPE_SOFTWARE, null);
    }


    @Override
    protected void dispatchDraw(Canvas canvas) {
        int count = canvas.save();

        final Path path = new Path();
        path.addRoundRect(new RectF(0, 0, canvas.getWidth(), canvas.getHeight()), cornerRadius, cornerRadius, Path.Direction.CW);
        canvas.clipPath(path, Region.Op.REPLACE);

        canvas.clipPath(path);
        super.dispatchDraw(canvas);
        canvas.restoreToCount(count);
    }


}

RoundedCornerView.java

public class RoundCornerView extends View{
    public RoundCornerView(Context context) {
        super(context);
    }

    public RoundCornerView(Context context, AttributeSet attrs) {
        super(context, attrs);
    }

    public RoundCornerView(Context context, AttributeSet attrs, int defStyle) {
        super(context, attrs, defStyle);
    }

    protected void onDraw(android.graphics.Canvas canvas)
    {
        Paint paint = new Paint();

        paint.setAlpha(255);
        canvas.translate(0, 30);
        paint.setColor(Color.BLUE);
        Path mPath = new Path();
        mPath.addRoundRect(new RectF(0, 0, 100,100),20,20, Path.Direction.CCW);
        canvas.clipPath(mPath, Region.Op.INTERSECT);
        paint.setColor(Color.GREEN);
        paint.setAntiAlias(true);
        canvas.drawRect(0, 0, 120,120,paint);

    }
}