本文实例为大家分享了xrecyclerview实现加载数据和切换不同布局，供大家参考，具体内容如下
compile 'com.jcodecraeer:xrecyclerview:1.3.2'//xrecyclerview
显示界面
<?xml version="1.0" encoding="utf-8"?> <linearlayout xmlns:android="http://schemas.android.com/apk/res/android" xmlns:app="http://schemas.android.com/apk/res-auto" xmlns:tools="http://schemas.android.com/tools" android:layout_width="match_parent" android:layout_height="match_parent" android:orientation="vertical" tools:context="wangxuewei.bwie.com.wangxuewei1510c2071219.mainactivity"> <relativelayout android:layout_width="match_parent" android:layout_height="wrap_content" android:gravity="center_vertical"> <textview android:layout_width="match_parent" android:layout_height="wrap_content" android:layout_margin="10dp" android:gravity="center" android:text="搜索商品" /> <imageview android:id="@+id/cutimg" android:layout_width="30dp" android:layout_height="30dp" android:layout_alignparentright="true" android:layout_margin="7dp" android:src="@drawable/grid_icon" /> </relativelayout> <textview android:layout_width="match_parent" android:layout_height="2dp" android:background="#c0c0c0" /> <linearlayout android:layout_width="match_parent" android:layout_height="wrap_content" android:layout_margin="10dp" android:orientation="horizontal"> <edittext android:id="@+id/editkey" android:layout_width="0dp" android:layout_height="wrap_content" android:layout_weight="1" android:hint="请输入关键字" /> <button android:id="@+id/btnsearch" android:layout_width="wrap_content" android:layout_height="wrap_content" android:text="搜索" /> </linearlayout> <textview android:layout_width="match_parent" android:layout_height="2dp" android:background="#c0c0c0" /> <com.jcodecraeer.xrecyclerview.xrecyclerview android:id="@+id/xrecyclerview" android:layout_width="match_parent" android:layout_height="wrap_content"></com.jcodecraeer.xrecyclerview.xrecyclerview> </linearlayout>
网格布局条目显示样式
<?xml version="1.0" encoding="utf-8"?> <linearlayout xmlns:android="http://schemas.android.com/apk/res/android" android:layout_width="wrap_content" android:layout_height="wrap_content" android:gravity="center" android:orientation="vertical"> <imageview android:id="@+id/goodsicon" android:layout_width="80dp" android:layout_height="80dp" /> <textview android:id="@+id/title" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_margin="10dp" android:text="asdasd" /> <textview android:id="@+id/price" android:layout_width="wrap_content" android:layout_height="wrap_content" android:text="asdasd" /> <textview android:id="@+id/bargainprice" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_marginleft="5dp" android:text="asdasd" android:textcolor="#f00" /> </linearlayout>
列表布局
我要评论
<?xml version="1.0" encoding="utf-8"?>
<linearlayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:gravity="center_vertical"
android:orientation="horizontal">
<imageview
android:id="@+id/goodsicon"
android:layout_width="80dp"
android:layout_height="80dp" />
<linearlayout
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:orientation="vertical">
<textview
android:id="@+id/title"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_margin="10dp"
android:text="asdasd" />
<linearlayout
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_margin="10dp"
android:orientation="horizontal">
<textview
android:id="@+id/price"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="asdasd" />
<textview
android:id="@+id/bargainprice"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginleft="5dp"
android:text="asdasd"
android:textcolor="#f00" />
</linearlayout>
</linearlayout>
</linearlayout>
主界面
public class mainactivity extends appcompatactivity implements shopsearchviewapi, view.onclicklistener {
private imageview cutimg;
private button btnsearch;
private list<goodsbean.databean> list = new arraylist<>();
private xrecyclerview xr;
private edittext editkey;
private int flag = 1;
private myadapter myadapter;
private int i = 1;
private string string = "手机";
private string name;
@override
protected void oncreate(bundle savedinstancestate) {
super.oncreate(savedinstancestate);
setcontentview(r.layout.activity_main);
//加载控件
initview();
getdata("手机", "1");
//设置可上拉
xr.setpullrefreshenabled(true);
xr.setloadingmoreenabled(true);
//设置上拉下拉样式
xr.setrefreshprogressstyle(progressstyle.ballspinfadeloader);
xr.setlaodingmoreprogressstyle(progressstyle.ballcliprotate);
clicklistener();
xr.setloadinglistener(new xrecyclerview.loadinglistener() {
@override
public void onrefresh() {
i = 1;
list.clear();
getdata(string, "" + i);
xr.refreshcomplete();
}
@override
public void onloadmore() {
i++;
getdata(string, "" + i);
xr.loadmorecomplete();
}
});
}
public void getdata(string key, string page) {
shopsearchpresenter shopsearchpresenter = new shopsearchpresenter(this, this);
shopsearchpresenter.getgoodsdata("http://120.27.23.105/product/searchproducts", key, page);
}
private void clicklistener() {
cutimg.setonclicklistener(this);
btnsearch.setonclicklistener(this);
}
private void initview() {
cutimg = (imageview) findviewbyid(r.id.cutimg);
btnsearch = (button) findviewbyid(r.id.btnsearch);
xr = (xrecyclerview) findviewbyid(r.id.xrecyclerview);
editkey = (edittext) findviewbyid(r.id.editkey);
}
@override
public void getsuccess(object o) {
goodsbean o1 = (goodsbean) o;
list<goodsbean.databean> data = o1.getdata();
list.addall(data);
setmyadapter(flag);
}
@override
public void getfailed(exception e) {
}
@override
public void onclick(view v) {
switch (v.getid()) {
case r.id.cutimg:
if (flag == 1) {
cutimg.setimageresource(r.drawable.lv_icon);
flag = 2;
} else {
cutimg.setimageresource(r.drawable.grid_icon);
flag = 1;
}
setmyadapter(flag);
break;
case r.id.btnsearch:
list.clear();
name = editkey.gettext().tostring();
string = name;
getdata(string, "1");
break;
}
}
public void setmyadapter(int f) {
if (f == 1) {
// 线性布局管理器 vertical默认样式/竖向显示 第三个参数是数据是否到过来显示
linearlayoutmanager manager = new linearlayoutmanager(this, linearlayoutmanager.vertical, false);
//添加布局管理器
xr.setlayoutmanager(manager);
myadapter = new myadapter(list, this, f);
xr.setadapter(myadapter);
} else if (f == 2) {
// 线性布局管理器 vertical默认样式/竖向显示 第三个参数是数据是否到过来显示
gridlayoutmanager gridlayoutmanager = new gridlayoutmanager(this, 2, gridlayoutmanager.vertical, false);
//添加布局管理器
xr.setlayoutmanager(gridlayoutmanager);
myadapter = new myadapter(list, this, f);
xr.setadapter(myadapter);
}
}
}
myadapter
public class myadapter extends recyclerview.adapter<myadapter.myviewholder> {
private list<goodsbean.databean> list;
private context context;
private int flag = 1;
private view inflate;
public myadapter(list<goodsbean.databean> list, context context, int flag) {
this.list = list;
this.context = context;
this.flag = flag;
}
@override
public myadapter.myviewholder oncreateviewholder(viewgroup parent, int viewtype) {
if (flag == 1) {
inflate = layoutinflater.from(context).inflate(r.layout.lvitem, parent, false);
} else if (flag == 2) {
inflate = layoutinflater.from(context).inflate(r.layout.griditem, parent, false);
}
myviewholder myviewholder = new myviewholder(inflate);
return myviewholder;
}
@override
public void onbindviewholder(myadapter.myviewholder holder, int position) {
string images = list.get(position).getimages();
string[] split = images.split("\\|");
glide.with(context).load(split[0]).into(holder.icon);
holder.title.settext(list.get(position).gettitle());
holder.bargainprice.settext("折扣价:" + list.get(position).getbargainprice() + "");
holder.price.settext("原价:" + list.get(position).getprice());
holder.price.getpaint().setflags(paint.strike_thru_text_flag);
}
@override
public int getitemcount() {
return list != null ? list.size() : 0;
}
class myviewholder extends recyclerview.viewholder {
private imageview icon;
private textview title;
private textview bargainprice;
private textview price;
public myviewholder(view itemview) {
super(itemview);
icon = (imageview) itemview.findviewbyid(r.id.goodsicon);
title = (textview) itemview.findviewbyid(r.id.title);
bargainprice = (textview) itemview.findviewbyid(r.id.bargainprice);
price = (textview) itemview.findviewbyid(r.id.price);
}
}
}
shopsearchmodle
public class shopsearchmodle {
public void getdata(string url, map<string, string> map, final shopsearchpresenterapi shopsearchpresenterapi) {
httputils.getinstance().get(url, map, new callback() {
@override
public void onsuccess(object o) {
shopsearchpresenterapi.success(o);
}
@override
public void onfailed(exception e) {
shopsearchpresenterapi.failed(e);
}
}, goodsbean.class);
}
}
shopsearchpresenter
public class shopsearchpresenter {
private shopsearchviewapi shopsearchviewapi;
private context context;
private final shopsearchmodle shopsearchmodle;
public shopsearchpresenter(shopsearchviewapi shopsearchviewapi, context context) {
this.shopsearchviewapi = shopsearchviewapi;
this.context = context;
shopsearchmodle = new shopsearchmodle();
}
public void getgoodsdata(string url, string keywords, string page) {
map<string, string> map = new hashmap<>();
map.put("keywords", keywords);
map.put("page", page);
shopsearchmodle.getdata(url, map, new shopsearchpresenterapi() {
@override
public void success(object o) {
shopsearchviewapi.getsuccess(o);
}
@override
public void failed(exception e) {
shopsearchviewapi.getfailed(e);
}
});
}
}
shopsearchpresenterapi
public interface shopsearchpresenterapi {
void success(object o);
void failed(exception e);
}
重点内容
package wangxuewei.bwie.com.wangxuewei1510c2071219;
/**
* created by jim on 2017/12/19.
*/
public interface shopsearchviewapi {
void getsuccess(object o);
void getfailed(exception e);
}
httputils
public class httputils {
private static volatile httputils instance;
private static handler handler = new handler();
private httputils() {
}
public static httputils getinstance() {
if (instance == null) {
synchronized (httputils.class) {
if (instance == null) {
instance = new httputils();
}
}
}
return instance;
}
//get请求
public void get(string url, map<string, string> map, final callback callback, final class c) {
//对url和参数做拼接处理
stringbuffer stringbuffer = new stringbuffer();
stringbuffer.append(url);
//判断是否存在? if中是存在
if (stringbuffer.indexof("?") != -1) {
//判断?是否在最后一位 if中是不在最后一位
if (stringbuffer.indexof("?") != stringbuffer.length() - 1) {
stringbuffer.append("&");
}
} else {
stringbuffer.append("?");
}
for (map.entry<string, string> entry : map.entryset()) {
stringbuffer.append(entry.getkey())
.append("=")
.append(entry.getvalue())
.append("&");
}
//判断是否存在& if中是存在
if (stringbuffer.indexof("&") != -1) {
stringbuffer.deletecharat(stringbuffer.lastindexof("&"));
}
//1:创建okhttpclient对象
okhttpclient okhttpclient = new okhttpclient.builder().addinterceptor(new logger()).build();
//2:创建request对象
final request request = new request.builder()
.get()
.url(stringbuffer.tostring())
.build();
//3:创建call对象
call call = okhttpclient.newcall(request);
//4:请求网络
call.enqueue(new callback() {
//请求失败
@override
public void onfailure(call call, final ioexception e) {
handler.post(new runnable() {
@override
public void run() {
callback.onfailed(e);
}
});
}
//请求成功
@override
public void onresponse(call call, response response) throws ioexception {
string result = response.body().string();
//拿到数据解析
final object o = new gson().fromjson(result, c);
//当前是在子线程,回到主线程中
handler.post(new runnable() {
@override
public void run() {
//回调
callback.onsuccess(o);
}
});
}
});
}
//post请求
public void post(string url, map<string, string> map, final callback callback, final class c) {
//1:创建okhttpclient对象
okhttpclient okhttpclient = new okhttpclient();
//2:提供post请求需要的body对象
formbody.builder builder = new formbody.builder();
for (map.entry<string, string> entry : map.entryset()) {
builder.add(entry.getkey(), entry.getvalue());
}
formbody body = builder.build();
//3:创建request对象
final request request = new request.builder()
.post(body)
.url(url)
.build();
//4:创建call对象
call call = okhttpclient.newcall(request);
//5:请求网络
call.enqueue(new callback() {
//请求失败
@override
public void onfailure(call call, final ioexception e) {
handler.post(new runnable() {
@override
public void run() {
callback.onfailed(e);
}
});
}
//请求成功
@override
public void onresponse(call call, response response) throws ioexception {
string result = response.body().string();
//拿到数据解析
final object o = new gson().fromjson(result, c);
//当前是在子线程,回到主线程中
handler.post(new runnable() {
@override
public void run() {
//回调
callback.onsuccess(o);
}
});
}
});
}
}
重点内容
public interface callback {
void onsuccess(object o);
void onfailed(exception e);
}
logger
public class logger implements interceptor {
@override
public response intercept(chain chain) throws ioexception {
request original = chain.request();
httpurl url = original.url().newbuilder()
.addqueryparameter("source", "android")
.build();
//添加请求头
request request = original.newbuilder()
.url(url)
.build();
return chain.proceed(request);
}
}
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