XrecyclerView加载数据+切换不同布局

compile 'com.jcodecraeer:xrecyclerview:1.3.2'//XrecyclerView

<?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>

<?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>

<?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>

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);
}
}
}

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);

}
}

}

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);
}

}

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);
}
});
}

}

public interface ShopSearchPresenterAPI {

void success(Object o);

void failed(Exception e);

}

package wangxuewei.bwie.com.wangxuewei1510c2071219;

/**
* Created by jim on 2017/12/19.
*/

public interface ShopSearchViewAPI {

void getSuccess(Object o);

void getFailed(Exception e);

}

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);
}
});
}
});
}

}

public interface CallBack {

void onSuccess(Object o);

void onFailed(Exception e);

}

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);
}
}