package com.doumee.lib_coremodel.view.recyclerview;
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/**
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* Created by MSI on 2018/5/31.
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*/
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import android.graphics.Rect;
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import android.view.View;
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import androidx.recyclerview.widget.RecyclerView;
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/**
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* 设置item间距
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*/
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public class SpacesItemDecoration extends RecyclerView.ItemDecoration {
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private int space;
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private int interval=-1;//间隔
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private int topSpace;
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private int type=-1;//0:左右，1:上下
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//底部间距
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public SpacesItemDecoration(int space) {
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this.space = space;
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}
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//左右间距
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public SpacesItemDecoration(int space, int interval) {
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this.space = space;
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this.interval=interval;
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}
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//顶部间距
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public SpacesItemDecoration(int space, boolean isTop) {
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if(isTop){
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this.topSpace=space;
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}else {
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this.space = space;
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}
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}
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public SpacesItemDecoration(int space, int interval, boolean isTop) {
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if(isTop){
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this.topSpace=space;
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}else {
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this.space = space;
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}
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this.interval=interval;
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}
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@Override
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public void getItemOffsets(Rect outRect, View view,
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RecyclerView parent, RecyclerView.State state) {
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/*outRect.left = space;
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outRect.right = space;
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outRect.bottom=space;*/
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outRect.bottom=space;
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outRect.top=topSpace;
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// Add top margin only for the first item to avoid double space between items
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/*if (parent.getChildPosition(view) == 0)
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outRect.top = space;*/
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if(interval!=-1){
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if (parent.getChildPosition(view)%2 == 0){
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outRect.right = interval/2;
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}else {
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outRect.left = interval/2;
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}
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}
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}
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}
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