ScrollView的滾動監聽,滾動到指定位置等

滾動到底部

// 滾動到底 if (scrolly == (v.getchildat(0).getmeasuredheight() - v.getmeasuredheight()))

滾動到頂

if (scrolly == 0)

完整**如下:

svscrollouter.setonscrollchangelistener(new nestedscrollview.onscrollchangelistener() 

if (scrolly < oldscrolly) 
if (scrolly == 0) 
// 滾動到底
if (scrolly == (v.getchildat(0).getmeasuredheight() - v.getmeasuredheight())) 
//判斷某個控制項是否可見
rect scrollbounds = new rect();
svscrollouter.gethitrect(scrollbounds);
if (tvscrollthree.getlocalvisiblerect(scrollbounds)) else 
//                log.e(tag, "onscrollchange: ------------" + scrolly +"------"+ tvscrollthree.gettop() );
//                //判斷某個控制項是否滾到頂部
//                if (scrolly == tvscrollthree.gettop())
////                log.e(tag, "onscrollchange: bottmo" + scrolly +"-----"+ (tvscrollthree.gettop() + tvscrollthree.getheight()) );
}});
複製**

svscrollouter.fullscroll(nestedscrollview.focus_down);

複製**

svscrollouter.fullscroll(nestedscrollview.focus_up);

複製**

//頂部

svscrollouter.scrollto(0,tvscrollfour.gettop());
//底部
svscrollouter.scrollto(0,tvscrollthree.getbottom());
複製**

//判斷某個控制項是否可見

rect scrollbounds = new rect();
svscrollouter.gethitrect(scrollbounds);
if (tvscrollthree.getlocalvisiblerect(scrollbounds)) else 
複製**

帶有滾動監聽的ScrollView

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