java - 以当前位置为圆心在google map v2上绘制五个透明圆圈

Question

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Answer 1

for(int rad=100;rad<=500;rad+100)
{

    CircleOptions circleOptions = new CircleOptions()
              .center(latLng)   //set center
              .radius(rad)   //set radius in meters
              .fillColor(Color.TRANSPARENT)  //default
              .strokeColor(0x10000000)
              .strokeWidth(5);

              myCircle = googleMap.addCircle(circleOptions);
}