Retrofit+RxJava+RxAndroid+OkHttp简单封装

package com.example.muhanxi.myapplication.ketang;

import com.google.gson.Gson;

import java.lang.reflect.ParameterizedType;
import java.lang.reflect.Type;
import java.net.SocketException;

import io.reactivex.Observable;
import io.reactivex.Observer;
import io.reactivex.disposables.Disposable;
import retrofit2.HttpException;

/**
* Created by muhanxi on 18/1/11.
*/

public abstract class BaseObserver<T> implements Observer<String> {

@Override
public void onSubscribe(Disposable d) {

}

@Override
public void onNext(String s) {

try {
Type genType = getClass().getGenericSuperclass();
Type[] params = ((ParameterizedType) genType).getActualTypeArguments();
Class entityClass = (Class) params[0];
Gson gson = new Gson();
T t = (T)gson.fromJson(s,entityClass);
success(t);

} catch (Exception e) {
failure(1001);
e.printStackTrace();
}

}

@Override
public void onError(Throwable e) {
try {
if(e != null){
if(e instanceof HttpException){
failure(HTTP_ERROR);
} else if(e instanceof SocketException){
failure(NET_WORK_ERROR);
}else {
failure(UNKNOW_ERROR);
}
}else {
failure(UNKNOW_ERROR);
}
e.printStackTrace() ;
} catch (Exception e1) {
failure(UNKNOW_ERROR);
e1.printStackTrace();
}

}

@Override
public void onComplete() {

}

//

/**
* code
*  1000 UNKNOW_ERROR 未知错误
*  1001 json 转化异常  parse error
*  1002 当前网络不可用     java.net.SocketException: Network is unreachable  超时
*  1003 服务器不可用 401 402 403 500 502 503 504
* @param code
*/

public static final int UNKNOW_ERROR = 1000;
public static final int JSON_FORMAT_ERROR = 1001;
public static final int NET_WORK_ERROR = 1002;
public static final int HTTP_ERROR = 1003;

public abstract void success(T t);
public abstract void failure(int code);

}

GET、POST请求

package com.example.muhanxi.myapplication.ketang;

import com.example.muhanxi.myapplication.Bean;

import java.util.Map;

import io.reactivex.Observable;
import retrofit2.http.FieldMap;
import retrofit2.http.FormUrlEncoded;
import retrofit2.http.GET;
import retrofit2.http.POST;
import retrofit2.http.Query;
import retrofit2.http.QueryMap;
import retrofit2.http.Url;

/**
* Created by muhanxi on 18/1/11.
*/

public interface ApiService {

@GET
Observable<String> get(@Url String url ,@QueryMap Map<String,String> map);

@FormUrlEncoded
@POST
Observable<String> post(@Url String url, @FieldMap Map<String,String> map);

}
         调用的类

package com.example.muhanxi.myapplication.ketang;

import java.util.Map;

import io.reactivex.Observer;
import io.reactivex.Scheduler;
import io.reactivex.android.schedulers.AndroidSchedulers;
import io.reactivex.disposables.Disposable;
import io.reactivex.schedulers.Schedulers;
import okhttp3.OkHttpClient;
import retrofit2.Retrofit;
import retrofit2.adapter.rxjava2.RxJava2CallAdapterFactory;
import retrofit2.converter.scalars.ScalarsConverterFactory;

/**
* Created by muhanxi on 18/1/11.
*/

public class RetrofitManager {

public static OkHttpClient client = new OkHttpClient.Builder()
.build();

public static  ApiService  apiService = new Retrofit.Builder()
.baseUrl("http://result.eolinker.com/")
.addCallAdapterFactory(RxJava2CallAdapterFactory.create())
.addConverterFactory(ScalarsConverterFactory.create())
.client(client)
.build()
.create(ApiService.class);

public static void get(String url, Map<String,String> map,Observer observer){

apiService.get(url,map)
.subscribeOn(Schedulers.io())
.observeOn(AndroidSchedulers.mainThread())
.subscribe(observer);

}

public static void post(String url,Map<String,String> map,Observer observer){
apiService.post(url,map)
.subscribeOn(Schedulers.io())
.observeOn(AndroidSchedulers.mainThread())
.subscribe(observer);
}

}