CircleGradientRadioLayout

package com.jaouan.compoundlayout;

import android.annotation.TargetApi;
import android.content.Context;
import android.graphics.Canvas;
import android.graphics.Path;
import android.os.Build;
import android.util.AttributeSet;

/**
 * Circle gradient radio layout.
 */
@TargetApi(Build.VERSION_CODES.LOLLIPOP)
public class CircleGradientRadioLayout extends GradientRadioLayout {

    /**
     * Draw path.
     */
    private Path mPath;

    public CircleGradientRadioLayout(Context context) {
        this(context, null);
    }

    public CircleGradientRadioLayout(Context context, AttributeSet attrs) {
        this(context, attrs, 0);
    }

    public CircleGradientRadioLayout(Context context, AttributeSet attrs, int defStyleAttr) {
        this(context, attrs, defStyleAttr, 0);
    }

    public CircleGradientRadioLayout(Context context, AttributeSet attrs, int defStyleAttr, int defStyleRes) {
        super(context, attrs, defStyleAttr, defStyleRes);

        // - Defines rounded background.
        setBackgroundResource(R.drawable.rounded);
    }


    @Override
    public void draw(Canvas canvas) {
        canvas.save();
        canvas.clipPath(mPath);
        super.draw(canvas);
        canvas.restore();
    }

    @Override
    protected void onSizeChanged(int width, int height, int oldWidth, int oldHeight) {
        super.onSizeChanged(width, height, oldWidth, oldHeight);
        mPath = new Path();
        mPath.addOval(0, 0, width, height, Path.Direction.CW);
        mPath.close();
    }

}