摘要：
@Override protected void onDraw(Canvas canvas) { // TODO Auto-generated method stub super.onDraw(canvas); canvas.drawColor(Color.WHITE); //设置画布颜色 pain 阅读全文
摘要：
public static double GetDistance(double long1, double lat1, double long2, double lat2) { double a, b, R; R = 6378137; // 地球半径 lat1 = lat1 * Math.PI / 阅读全文