RecycleView劃線操作

package com.bwf.tuanche.car_select.view;

import android.content.context;
import android.content.res.typedarray;
import android.graphics.canvas;
import android.graphics.paint;
import android.graphics.rect;
import android.graphics.drawable.drawable;
import android.support.v4.content.contextcompat;
import android.support.v7.widget.linearlayoutmanager;
import android.support.v7.widget.recyclerview;
import android.view.view;
/*** created by wanli on 2016/8/19.
* description:
*/public class recycleviewdivider extends recyclerview.itemdecoration ;
/*** 預設分割線：高度為2px，顏色為灰色** 
@param
context
*@param
orientation 
列表方向
*/public recycleviewdivider(context context, int orientation) 
morientation = orientation;
final typedarray a = context.obtainstyledattributes(attrs
);mdivider = a.getdrawable(0);
a.recycle();
}/**
* 自定義分割線** 
@param
context
*@param
orientation 
列表方向
*@param
drawableid 
分割線*/
public recycleviewdivider(context context, int orientation, int drawableid) 
/*** 自定義分割線** 
@param
context
*@param
orientation 
列表方向
*@param
dividerheight 
分割線高度
*@param
dividercolor 
分割線顏色
*/public recycleviewdivider(context context, int orientation, int dividerheight, int dividercolor) 
//獲取分割線尺寸
@override
public void 
getitemoffsets(rect outrect, view view, recyclerview parent, recyclerview.state state) 
//繪製分割線
@override
public void 
ondraw(canvas c, recyclerview parent, recyclerview.state state) else 
}//繪製橫向 item 分割線
private void 
drawhorizontal(canvas canvas, recyclerview parent) 
if (mpaint != null) }}
//繪製縱向 item 分割線
private void 
drawvertical(canvas canvas, recyclerview parent) 
if (mpaint != null) }}
}

使用方法

recyclerview.additemdecoration(new recycleviewdivider(this.getcontext(), linearlayoutmanager.vertical

));recyclerview.additemdecoration(new recycleviewdivider(this.getcontext(), linearlayoutmanager.horizontal
));

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