新增分割線

importandroid.content.context;

importandroid.content.res.typedarray;
importandroid.graphics.canvas;
importandroid.graphics.rect;
importandroid.graphics.drawable.drawable;
importandroid.support.v7.widget.linearlayoutmanager;
importandroid.support.v7.widget.recyclerview;
importandroid.view.view;
/*** created by fan on 2017/12/1.
*/public classmydecorationextendsrecyclerview.itemdecoration ;
publicmydecoration(context context,intorientation) 
//設定螢幕的方向
public voidsetorientation(intorientation) 
morientation= orientation;
}@override
public voidondraw(canvas c, recyclerview parent, recyclerview.state state)else
}//畫橫線, 這裡的parent其實是顯示在螢幕顯示的這部分
public voiddrawhorizontalline(canvas c, recyclerview parent, recyclerview.state state) 
}//畫豎線
public voiddrawverticalline(canvas c, recyclerview parent, recyclerview.state state) 
}//由於divider也有長寬高，每乙個item需要向下或者向右偏移
@override
public voidgetitemoffsets(rect outrect, view view, recyclerview parent, recyclerview.state state)else
}}

//2

mrecyclerview.additemdecoration(newmydecoration(this,mydecoration.vertical_list));

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