package com.kale.activityoptions.util;
import android.graphics.Rect;
import android.view.View;
/**
* @author:Jack Tony
* @tips :得到view相对于屏幕的左上角的绝对坐标,还有view的本身宽高
* 这个宽高和view当前显示的区域无关
* @date :2014-11-24
*/
public class Position {
public static Rect getGlobalVisibleRect(View v) {
//得到view的左上角坐标(相对于整个屏幕)
int[] position = new int[2];
v.getLocationOnScreen(position);
Rect mRect = new Rect();
mRect.left = position[0];
mRect.top = position[1];
mRect.right = mRect.left + v.getWidth();
mRect.bottom = mRect.top + v.getHeight();
return mRect;
}
/**
* @param v
* @return 得到view当前真实显示的位置和大小,超过屏幕显示的大小就是0
*/
public static Rect getRealVisibleRect(View v) {
//得到view的左上角坐标(相对于整个屏幕)
int[] position = new int[2];
v.getLocationOnScreen(position);
Rect bounds = new Rect();
boolean isInScreen = v.getGlobalVisibleRect(bounds);
Rect mRect = new Rect();
mRect.left = position[0];
mRect.top = position[1];
if (isInScreen) {
mRect.right = mRect.left + bounds.width();
mRect.bottom = mRect.top + bounds.height();
}else {
mRect.right = mRect.left;
mRect.bottom = mRect.top;
}
return mRect;
}
}