<? version=\"1.0\" encoding=\"utf-8\"?>
<LinearLayout ns:android=\"http://schemas.android.com/apk/res/android\"
ns:app=\"http://schemas.android.com/apk/res-auto\"
ns:tools=\"http://schemas.android.com/tools\"
android:layout_width=\"match_parent\"
android:layout_height=\"match_parent\"
android:orientation=\"vertical\"
tools:context=\".activity.MainActivity\">
<RelativeLayout
android:layout_width=\"match_parent\"
android:layout_height=\"50dp\"
android:focusable=\"true\"
android:focusableInTouchMode=\"true\">
<ImageView
android:id=\"@+id/btn_back\"
android:layout_width=\"50dp\"
android:layout_height=\"50dp\"
android:layout_alignParentLeft=\"true\"
android:padding=\"15dp\"
android:src=\"@drawable/btn_back\" />
<ImageView
android:id=\"@+id/btn_layout\"
android:layout_width=\"50dp\"
android:layout_height=\"50dp\"
android:layout_alignParentRight=\"true\"
android:padding=\"15dp\"
android:src=\"@drawable/even_city_draw\" />
<EditText
android:id=\"@+id/edit_keywords\"
android:layout_width=\"match_parent\"
android:layout_height=\"36dp\"
android:layout_centerVertical=\"true\"
android:layout_toLeftOf=\"@+id/btn_layout\"
android:layout_toRightOf=\"@+id/btn_back\"
android:background=\"@drawable/search_edit_bg\"
android:hint=\"搜索\"
android:text=\"手机\"
android:paddingLeft=\"40dp\"
android:singleLine=\"true\"
android:textColorHint=\"@color/grayblack\"
android:textColor=\"@color/custom_gray\"
android:layout_marginRight=\"5dp\"
android:textSize=\"16sp\" />
<ImageView
android:id=\"@+id/btn_search\"
android:layout_width=\"30dp\"
android:layout_height=\"30dp\"
android:layout_alignLeft=\"@+id/edit_keywords\"
android:layout_centerVertical=\"true\"
android:layout_marginLeft=\"10dp\"
android:src=\"@android:drawable/ic_search_category_default\" />
<ImageView
android:layout_width=\"30dp\"
android:layout_height=\"30dp\"
android:layout_alignRight=\"@+id/edit_keywords\"
android:layout_centerVertical=\"true\"
android:layout_marginRight=\"10dp\"
android:src=\"@drawable/person_list_sound_up\" />
</RelativeLayout>
<ImageView
android:layout_width=\"match_parent\"
android:layout_height=\"1dp\"
android:src=\"@android:color/darker_gray\" />
<LinearLayout
android:layout_width=\"match_parent\"
android:layout_height=\"50dp\"
android:orientation=\"horizontal\">
<TextView
android:id=\"@+id/cate_text1\"
android:layout_width=\"match_parent\"
android:layout_height=\"match_parent\"
android:layout_weight=\"1\"
android:textColor=\"@color/set_font_color\"
android:gravity=\"center\"
android:textSize=\"14sp\"
android:text=\"综合▲\">
</TextView>
<TextView
android:id=\"@+id/cate_text2\"
android:layout_width=\"match_parent\"
android:layout_height=\"match_parent\"
android:layout_weight=\"1\"
android:textColor=\"@color/set_font_color\"
android:gravity=\"center\"
android:textSize=\"14sp\"
android:text=\"价格▲\">
</TextView>
<TextView
android:id=\"@+id/cate_text3\"
android:layout_width=\"match_parent\"
android:layout_height=\"match_parent\"
android:layout_weight=\"1\"
android:textColor=\"@color/set_font_color\"
android:gravity=\"center\"
android:textSize=\"14sp\"
android:text=\"销量▲\">
</TextView>
<TextView
android:id=\"@+id/cate_text4\"
android:layout_width=\"match_parent\"
android:layout_height=\"match_parent\"
android:layout_weight=\"1\"
android:textColor=\"@color/set_font_color\"
android:gravity=\"center\"
android:textSize=\"14sp\"
android:text=\"筛选▲\">
</TextView>
</LinearLayout>
<ImageView
android:layout_width=\"match_parent\"
android:layout_height=\"1dp\"
android:src=\"@android:color/darker_gray\" />
<com.jcodecraeer.xrecyclerview.XRecyclerView
android:id=\"@+id/list_goods\"
android:layout_width=\"match_parent\"
android:layout_height=\"match_parent\">
</com.jcodecraeer.xrecyclerview.XRecyclerView>
</LinearLayout>
mainactivity
public class MainActivity extends AppCompatActivity implements XRecyclerView.LoadingListener,
DataCall<List<Goods>>, View. Listener,GoodsListAdapter.OnItemClickListener {
private XRecyclerView mRecyclerView;
private GoodsListAdapter mAdapter;
private LinearLayoutManager mLinearManager;
private GridLayoutManager mGridManager;
private static final int GRID_LAYOUT_MANAGER = 1;
private static final int LINEAR_LAYOUT_MANAGER = 2;
private ImageView mBtnLayout;
private EditText mKeywordsEdit;
//新建商品列表Presenter
private GoodsListPresenter mPresenter = new GoodsListPresenter(this);
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
mKeywordsEdit = findViewById(R.id.edit_keywords);
mBtnLayout = findViewById(R.id.btn_layout);
findViewById(R.id.btn_search).set Listener(this);
mBtnLayout.set Listener(this);
mRecyclerView = findViewById(R.id.list_goods);//查找mRecyclerView
mRecyclerView.setLoadingListener(this);//添加下拉和刷新的监听器
// StaggeredGridLayoutManager layoutManager = new StaggeredGridLayoutManager(2,StaggeredGridLayoutManager.VERTICAL);
mGridManager = new GridLayoutManager(this, 2, GridLayoutManager.VERTICAL, false);//网格布局
mLinearManager = new LinearLayoutManager(this, LinearLayoutManager.VERTICAL, false);//线性布局
mRecyclerView.setLayoutManager(mLinearManager);
mAdapter = new GoodsListAdapter(this);
mAdapter.setOnItemClickListener(this);
mRecyclerView.setAdapter(mAdapter);
//加载数据
// mRecyclerView.refresh();//刷新
}
@Override
public void onRefresh() {
String keywords = mKeywordsEdit.getText().toString();
mPresenter.requestData(true, keywords);
}
@Override
public void More() {
String keywords = mKeywordsEdit.getText().toString();
mPresenter.requestData(false, keywords);
}
private boolean isGrid=false;
@Override
public void success(List<Goods> data) {
mRecyclerView.refreshComplete();//结束刷新
mRecyclerView.loadMoreComplete();//结束加载更多
if (mPresenter.isResresh()) {
mAdapter.clearList();
}
mAdapter.addAll(data);
mAdapter.notifyDataSetChanged();
}
@Override
public void fail(Result result) {
mRecyclerView.refreshComplete();
mRecyclerView.loadMoreComplete();
Toast.makeText(this, result.getCode() + \" \" + result.getMsg(),
Toast.LENGTH_LONG).show();
}
@Override
public void onDestroy() {
super.onDestroy();
mPresenter.unBindCall();
}
@Override
public void (View v) {
if (v.getId() == R.id.btn_search) {//搜索
String keywords = mKeywordsEdit.getText().toString();
mPresenter.requestData(true, keywords);
} else if (v.getId() == R.id.btn_layout) {//切换布局
// if (!isGrid) {
if (mRecyclerView.getLayoutManager().equals(mLinearManager)) {
// if (mAdapterm.getItemViewType(0) == GoodsListAdapter.LINEAR_TYPE) {
isGrid = true;
mAdapter.setViewType(GoodsListAdapter.GRID_TYPE);
mRecyclerView.setLayoutManager(mGridManager);
} else {
isGrid = false;
mAdapter.setViewType(GoodsListAdapter.LINEAR_TYPE);
mRecyclerView.setLayoutManager(mLinearManager);
}
mAdapter.notifyDataSetChanged();
}
}
@Override
public void onItemClick(Goods goods) {
Intent intent = new Intent(this,WebActivity.class);
intent.putExtra(\"url\",goods.getDetailUrl());
startActivity(intent);
}
}
goodsadapter`package com.dingtao.week3.adapter;
import android.content.Context;
import android.content.Intent;
import android.support.annotation.NonNull;
import android.support.v7.widget.RecyclerView;
import android.util.Log;
import android.view.View;
import android.view.ViewGroup;
import android.widget.ImageView;
import android.widget.TextView;
import com.bumptech.glide.Glide;
import com.dingtao.week3.R;
import com.dingtao.week3.activity.MainActivity;
import com.dingtao.week3.activity.WebActivity;
import com.dingtao.week3.bean.Goods;
import java.util.ArrayList;
import java.util.List;
/**
-
@author dingtao
-
@date 2018/12/13 19:11
-
qq:1940870847
*/
public class GoodsListAdapter extends RecyclerView.Adapter<GoodsListAdapter.GoodsHodler> {private List mList = new ArrayList<>();
private Context context;public final static int LINEAR_TYPE = 0;//线性
public final static int GRID_TYPE = 0;//网格private int viewType = LINEAR_TYPE;
private OnItemClickListener onItemClickListener;
public GoodsListAdapter(Context context) {
this.context = context;
}@Override
public int getItemViewType(int position) {
return viewType;
}//设置item的视图类型
public void setViewType(int viewType) {
this.viewType = viewType;
}@NonNull
@Override
public GoodsHodler onCreateViewHolder(@NonNull ViewGroup viewGroup, int viewType) {
View view = null;
if (viewType == LINEAR_TYPE) {//通过第二个参数viewType判断选用的视图
view = View.inflate(viewGroup.getContext(), R.layout.goods_linear_item, null);//加载item布局
} else {
view = View.inflate(viewGroup.getContext(), R.layout.goods_grid_item, null);//加载item布局
}
GoodsHodler goodsHodler = new GoodsHodler(view);return goodsHodler;}
@Override
public void onBindViewHolder(@NonNull GoodsHodler goodsHodler, int position) {
final Goods goods = mList.get(position);//拿到商品，开始赋值goodsHodler.itemView.setTag(mList.get(position)); //增加点击事件 goodsHodler.itemView.set Listener(new View. Listener() { @Override public void (View v) { Intent intent = new Intent(context,WebActivity.class); intent.putExtra(\"url\",goods.getDetailUrl()); context.startActivity(intent);
// onItemClickListener.onItemClick(goods);
}
});
goodsHodler.text.setText(goods.get ());
//由于我们的数据图片提供的不标准，所以我们需要切割得到图片
String imageurl = \"https\" + goods.getImages().split(\"https\")[1];
Log.i(\"dt\", \"imageUrl: \" + imageurl);
imageurl = imageurl.substring(0, imageurl.lastIndexOf(\".jpg\") + \".jpg\".length());
Glide.with(context).load(imageurl).into(goodsHodler.imageView);//加载图片
}
public static void main(String[] args) {
String aa = \"a111a222a333a\";
String[] b = aa.split(\"a\");
System.out.println(b[0]);
}
@Override
public int getItemCount() {
return mList.size();
}
/**
* 添加集合数据
*/
public void addAll(List<Goods> data) {
if (data != null) {
mList.addAll(data);
}
}
/**
* 清空数据
*/
public void clearList() {
mList.clear();
}
/**
* 设置点击方法
*/
public void setOnItemClickListener(MainActivity onItemClickListener) {
this.onItemClickListener = onItemClickListener;
}
class GoodsHodler extends RecyclerView.ViewHolder {
TextView text;
ImageView imageView;
public GoodsHodler(@NonNull View itemView) {
super(itemView);
text = itemView.findViewById(R.id.text);
imageView = itemView.findViewById(R.id.image);
}
}
/**
* @author dingtao
* @date 2018/12/15 10:28 AM
* 点击接口
*/
public interface OnItemClickListener {
void onItemClick(Goods goods);
}
}
precenter
public abstract class Presenter {
DataCall dataCall;
public Presenter(DataCall dataCall){
this.dataCall = dataCall;
}
Handler mHandler = new Handler(Looper.getMainLooper()) {
@Override
public void handleMessage(Message msg) {
super.handleMessage(msg);
Result result = (Result) msg.obj;
if (result.getCode()==0){
dataCall.success(result.getData());
}else{
dataCall.fail(result);
}
}
};
public void requestData(final ...args){
new Thread(new Runnable() {
@Override
public void run() {
Message message = mHandler.obtainMessage();
message.obj = getData(args);
mHandler.sendMessage(message);
}
}).start();
}
protected abstract Result getData( ...args);
public void unBindCall(){
this.dataCall = null;
}
}
goodsprecenter
public class GoodsListPresenter extends Presenter {
private int page=1;
private boolean isRefresh=true;
public GoodsListPresenter(DataCall dataCall) {
super(dataCall);
}
@Override
protected Result getData( ... args) {
isRefresh = (boolean) args[0];//是否需要刷新
if (isRefresh){//刷新
page = 1;
}else{
page++;
}
Result result = GoodsListModel.goodsList((String)args[1],page+\"\");//调用网络请求获取数据
return result;
}
public boolean isResresh(){
return isRefresh;
}
}
model
public class GoodsListModel {
public static Result goodsList(String keywords, final String page) {
String resultString = HttpUtils.postForm(\"http://www.zhaoapi.cn/product/searchProducts\",
new String[]{\"keywords\", \"page\"}, new String[]{keywords, page});
try {
Gson gson = new Gson();
Type type = new TypeToken<Result<List<Goods>>>() {
}.getType();
Result result = gson.fromJson(resultString, type);
// Result<List<Goods>> result = new Result<>();
// result.setCode(0);
// List<Goods> list = new ArrayList<>();
// for (int i = 0; i < 30; i++) {
// Goods goods = new Goods();
// goods.setImages(\"\");
// goods.set (\"手机\"+i);
// list.add(goods);
// }
// result.setData(list);
return result;
} catch (Exception e) {
}
Result result = new Result();
result.setCode(-1);
result.setMsg(\"数据解析异常\");
return result;
}
}
http
public class HttpUtils {
public static String get(String urlString){
OkHttpClient okHttpClient = new OkHttpClient();
Request request = new Request.Builder().url(urlString).get().build();
try {
Response response = okHttpClient.newCall(request).execute();
return response.body().string();
} catch (IOException e) {
e.printStackTrace();
}
return \"\";
}
public static String postForm(String url,String[] name,String[] value){
OkHttpClient okHttpClient = new OkHttpClient();
FormBody.Builder formBuild = new FormBody.Builder();
for (int i = 0; i < name.length; i++) {
formBuild.add(name[i],value[i]);
}
Request request = new Request.Builder().url(url).post(formBuild.build()).build();
try {
Response response = okHttpClient.newCall(request).execute();
String result = response.body().string();
Log.i(\"dt\",result);
return result;
} catch (IOException e) {
e.printStackTrace();
}
return \"\";
}
public static String postFile(String url,String[] name,String[] value,String fileParamName,File file){
OkHttpClient okHttpClient = new OkHttpClient();
MultipartBody.Builder requestBody = new MultipartBody.Builder().setType(MultipartBody.FORM);
if(file != null){
// MediaType.parse() 里面是上传的文件类型。
RequestBody body = RequestBody.create(MediaType.parse(\"image/*\"), file);
String filename = file.getName();
// 参数分别为: 文件参数名 ，文件名称 ， RequestBody
requestBody.addFormDataPart(fileParamName, \"jpg\", body);
}
if (name!=null) {
for (int i = 0; i < name.length; i++) {
requestBody.addFormDataPart(name[i], value[i]);
}
}
Request request = new Request.Builder().url(url).post(requestBody.build()).build();
try {
Response response = okHttpClient.newCall(request).execute();
if (response.code()==200) {
return response.body().string();
}
} catch (IOException e) {
e.printStackTrace();
}
return \"\";
}
public static String postJson(String url,String jsonString){
OkHttpClient okHttpClient = new OkHttpClient();
RequestBody requestBody = RequestBody.create(MediaType.parse(\"application/json\"),jsonString);
Request request = new Request.Builder().url(url).post(requestBody).build();
try {
Response response = okHttpClient.newCall(request).execute();
return response.body().string();
} catch (IOException e) {
e.printStackTrace();
}
return \"\";
}
}
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