Java tutorial
//package com.java2s; import android.graphics.Canvas; import android.graphics.Color; import android.graphics.Paint; public class Main { static int mBorderThickness = 2; public static void drawCircleBorder(Canvas canvas, int radius, int w, int y) { Paint paint = new Paint(); paint.setAntiAlias(true); paint.setFilterBitmap(true); paint.setDither(true); paint.setColor(Color.WHITE); paint.setStyle(Paint.Style.STROKE); paint.setStrokeWidth(mBorderThickness); canvas.drawCircle(w / 2, y / 2, radius, paint); } }