Android 工具类（获得两点之间的距离）

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/**
	 * As meaning of method name.
	 * 获得两点之间的距离
	 * @param p0
	 * @param p1
	 * @return
	 */
	public static float getDistanceBetween2Points(PointF p0, PointF p1) {
		float distance = (float) Math.sqrt(Math.pow(p0.y - p1.y, 2) + Math.pow(p0.x - p1.x, 2));
		return distance;
	}