Android Okhttp工具类的封装

//OKhttp工具类

public class Httputils {
private OkHttpClient client;
private CallbackData callbackdata;
Handler handler=new Handler(){
@Override
public void handleMessage(Message msg) {
super.handleMessage(msg);
switch (msg.what){
case 0:
//  String str=(String) msg.obj;
callbackdata.success(msg.obj);

}
}
};

//请求网络
public <T>void getloadDemo(String url,final CallbackData callback,final Class<T> tClass){
this.callbackdata = callback;

client=new OkHttpClient.Builder()
.readTimeout(3000, TimeUnit.MILLISECONDS)
.writeTimeout(3000, TimeUnit.MILLISECONDS)
.connectTimeout(3000, TimeUnit.MILLISECONDS)
.build();

Request request = new Request.Builder().url(url).build();
okhttp3.Call call = client.newCall(request);
call.enqueue(new Callback() {
@Override
public void onFailure(okht
4000
tp3.Call call, IOException e) {
callback.error(500,e.getMessage());
}

@Override
public void onResponse(okhttp3.Call call, Response response) throws IOException {
Message message = handler.obtainMessage();
message.what=0;
Gson gson=new Gson();
T t=gson.fromJson(response.body().string(),tClass);
message.obj=t;
handler.sendMessage(message);
}
});

}
}

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//所需的接口

public interface CallbackData<T> {
void success(T str);
void error(int code, String message);
}

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//Presenter类的封装

public class PresenterBean <T> {
//找Model拿到请求数据 Presenter和Model的交互需要接口
private final Httputils httpUtils;
private ImainView mimainView;
public PresenterBean(ImainView imainView) {
this.mimainView=imainView;
httpUtils=new Httputils();
}
//将PresenterData抽成一个类 简化后的结果
public void loadDataFromServer(String url, Class<T> t,final int code){
httpUtils.getloadDemo(url, new CallbackData<T>() {
@Override
public void success(T str) {
mimainView.successCallback(str,code);
}
@Override
public void error(int code, String message) {
mimainView.errorCallback(code,message);
}
},t);

}

}

----------------------------------------------------

public interface ImainView <T>{void successCallback(T str,int code);void errorCallback(int code, String message);}

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//RecyclerView自定义点击事件

public class RecyclerLiserner {//点击监听  参数为view 和 positionpublic interface onItemClickListener{void onItemClick(View v, int position);}//长按监听public interface onItemLongClickListener{void onLongClick(View v, int positener);}}

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public class LiebiaoAdapter extends RecyclerView.Adapter<LiebiaoAdapter.Viewholder>implements View.OnClickListener{private Context context;private List<Liebiao.DatasBean.ClassListBean>mData=new ArrayList<>();private Viewholder viewholder;private Boolean isClicks=true;private LayoutInflater mInflater;private  RecyclerLiserner.onItemClickListener listener;public LiebiaoAdapter(Context context) {this.context = context;}public void setData(List<Liebiao.DatasBean.ClassListBean> data){if (data!=null){mData.addAll(data);}}//提供设置接口回调的方法public  void onItemClickListener(RecyclerLiserner.onItemClickListener listener){this.listener=listener;}//因为ViewHolder我们可以拿到每个Item的根布局，所以如果我们为根布局设置单独的OnClick监听// 并将其开放给Adapter，// 那 不就可以在组装RecyclerView时就能够设置ItemClickListener，// 只不过这个Listener不是设置到RecyclerView上而是设置到Adapter。@Overridepublic Viewholder onCreateViewHolder(ViewGroup parent, int viewType){View view = View.inflate(context, R.layout.liebiaotu, null);view.setOnClickListener(this);viewholder = new Viewholder(view);return viewholder;}@Overridepublic void onBindViewHolder(Viewholder holder, final int position){Viewholder myHolder = (Viewholder) holder;myHolder.itemView.setTag(position);viewholder.liebiaziti.setText(mData.get(position).getGc_name());Glide.with(context).load("http://192.168.56.1/data/upload/mobile/category/05015382063902705.png").error(R.drawable.ic_action_back).placeholder(R.drawable.ic_item_goods).into(viewholder.liebiaotu);System.out.println("myHolder = " + mData.get(position).getImage());//x.image().bind(viewholder.liebiaotu,mData.get(position).getImage());}@Overridepublic int getItemCount() {return mData.size();}@Overridepublic void onClick(View v) {if (listener!=null){listener.onItemClick(v, (Integer) v.getTag());}}class Viewholder extends RecyclerView.ViewHolder{private final ImageView liebiaotu;private TextView liebiaziti;public Viewholder(View itemView) {super(itemView);liebiaotu=   (ImageView) itemView.findViewById(R.id.liebiaotu);liebiaziti= (TextView) itemView.findViewById(R.id.liebiaziti);}}}

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  //为recyclerView设置布局控制器          LinearLayoutManager manager=new LinearLayoutManager(this, LinearLayout.VERTICAL,false);        recyclerView.setLayoutManager(manager);       //网格视图        GridLayoutManager gridLayoutManager=new GridLayoutManager(this,3,GridLayoutManager.VERTICAL,false);        recyclerView.setLayoutManager(gridLayoutManager);     //瀑布流        StaggeredGridLayoutManager staggeredGridLayoutManager=new StaggeredGridLayoutManager(3,StaggeredGridLayoutManager.VERTICAL);        recyclerView.setLayoutManager(staggeredGridLayoutManager);