RxJava,Retrofit,OkHttp3在項目中結合使用

簡單暴力：直接上代碼，清晰明瞭

代碼結構

- activitys - MainActivity.Java

- fragment - BuyGoodFragment.java

- network - factory - MyCustomFactory.java

- network - factory - UserResponseConverter.java

- network - manager - MyRetrofitConverter.java

- network - service - JtmlServer.java

亮出代碼

import java.lang.annotation.Annotation;
import java.lang.reflect.Type;

import okhttp3.ResponseBody;
import retrofit2.Converter;
import retrofit2.Retrofit;


public class MyCustomFactory extends Converter.Factory
{
    @Override
    public Converter<ResponseBody, ?> responseBodyConverter(Type type, Annotation[] annotations, Retrofit retrofit)
    {
        //根據type判斷是否是自己能處理的類型，不能的話，return null ,交給後面的Converter.Factory
        return new UserResponseConverter(type);
    }

}

import com.google.gson.Gson;

import java.io.IOException;
import java.lang.reflect.Type;

import okhttp3.ResponseBody;
import retrofit2.Converter;



public class UserResponseConverter<T> implements Converter<ResponseBody, T>
{
    private Type type;
    Gson gson = new Gson();

    public UserResponseConverter(Type type) {
        this.type = type;
    }

    @Override
    public T convert(ResponseBody responseBody) throws IOException {
        String result = responseBody.string();
        T users = gson.fromJson(result, type);
        return users;
    }
}

import java.io.File;
import java.io.IOException;
import java.util.ArrayList;
import java.util.List;
import java.util.concurrent.TimeUnit;

import okhttp3.Cache;
import okhttp3.CacheControl;
import okhttp3.Interceptor;
import okhttp3.OkHttpClient;
import okhttp3.Request;
import okhttp3.Response;
import okhttp3.logging.HttpLoggingInterceptor;
import retrofit2.Retrofit;
import retrofit2.adapter.rxjava.RxJavaCallAdapterFactory;
import retrofit2.converter.gson.GsonConverterFactory;
import rx.Observable;

/**
 */
public class MyRetrofitManager {

    public static final String BASE_NIUPAI_URL   = "private url1";
    public static final String BASE_IMAGE_URL    = "private url2";
    //短緩存有效期爲1秒鐘
    public static final int    CACHE_STALE_SHORT = 1;
    //長緩存有效期爲7天
    public static final int    CACHE_STALE_LONG  = 60 * 60 * 24 * 7;

    public static final String CACHE_CONTROL_AGE = "Cache-Control: public, max-age=";

    //查詢緩存的Cache-Control設置，爲if-only-cache時只查詢緩存而不會請求服務器，max-stale可以配合設置緩存失效時間
    public static final String CACHE_CONTROL_CACHE   = "only-if-cached, max-stale=" + CACHE_STALE_LONG;
    //查詢網絡的Cache-Control設置，頭部Cache-Control設爲max-age=0時則不會使用緩存而請求服務器
    public static final String CACHE_CONTROL_NETWORK = "max-age=0";
    private static OkHttpClient mOkHttpClient;
    private final  JtmlServer   mJtmlService;

    public static MyRetrofitManager builder() {
        return new MyRetrofitManager();
    }

    private MyRetrofitManager() {

        initOkHttpClient();

        Retrofit retrofit = new Retrofit.Builder()
                .baseUrl(BASE_NIUPAI_URL)
                .client(mOkHttpClient)
                .addCallAdapterFactory(RxJavaCallAdapterFactory.create())
//                .addConverterFactory(new MyCustomFactory())
                .addConverterFactory(GsonConverterFactory.create())
                .build();
        mJtmlService = retrofit.create(JtmlServer.class);
    }

    private void initOkHttpClient() {
        HttpLoggingInterceptor interceptor = new HttpLoggingInterceptor();
        interceptor.setLevel(HttpLoggingInterceptor.Level.BODY);
        if (mOkHttpClient == null) {
            synchronized (MyRetrofitManager.class) {
                if (mOkHttpClient == null) {

                    // 指定緩存路徑,緩存大小100Mb
                    Cache cache = new Cache(new File(App.getContext().getCacheDir(), "HttpCache"),
                            1024 * 1024 * 100);

                    mOkHttpClient = new OkHttpClient.Builder()
                            .cache(cache)
                            .addInterceptor(mRewriteCacheControlInterceptor)
                            .addNetworkInterceptor(mRewriteCacheControlInterceptor)
                            .addInterceptor(interceptor)
                            .retryOnConnectionFailure(true)
                            .connectTimeout(15, TimeUnit.SECONDS)
                            .build();
                }
            }
        }
    }

    // 雲端響應頭攔截器，用來配置緩存策略
    private Interceptor mRewriteCacheControlInterceptor = new Interceptor() {
        @Override
        public Response intercept(Chain chain) throws IOException {
            Request request = chain.request();
            if (!NetUtil.isNetworkConnected()) {
                request = request.newBuilder().cacheControl(CacheControl.FORCE_CACHE).build();
            }
            Response originalResponse = chain.proceed(request);
            if (NetUtil.isNetworkConnected()) {
                //有網的時候讀接口上的@Headers裏的配置，你可以在這裏進行統一的設置
                String cacheControl = request.cacheControl().toString();
                return originalResponse.newBuilder().header("Cache-Control", cacheControl).removeHeader("Pragma").build();
            } else {
                return originalResponse.newBuilder().header("Cache-Control", "public, only-if-cached, max-stale=" + CACHE_STALE_LONG).removeHeader("Pragma").build();
            }
        }
    };

    public Observable<List<Comment>> getComments() {
        return mJtmlService.getComments();
    }

    public Observable<List<Notifications>> getNotifications() {
        return mJtmlService.getNotifications();
    }

    public Observable<List<ShowBill>> getShareBills(String id, String pageNo, String pageSize) {
        return mJtmlService.getShareBills(id, pageNo, pageNo);
    }

    public Observable<GoodsDetail> getGoodsDetailById(String id) {
        return mJtmlService.getGoodsDetailById(id);
    }

    public Observable<List<IndexImgList>> getIndexImgList() {
        return mJtmlService.getIndexImgList();
    }

    public Observable<ArrayList<GoodsList>> getGoodList(String id, String pageNo, String pageSize) {
        return mJtmlService.getGoodList(id, pageNo, pageSize);
    }

}

import java.util.ArrayList;
import java.util.List;

import retrofit2.http.GET;
import retrofit2.http.Headers;
import retrofit2.http.Query;
import rx.Observable;


public interface JtmlServer {

    //評論接口
    @Headers(MyRetrofitManager.CACHE_CONTROL_AGE + MyRetrofitManager.CACHE_STALE_SHORT)
    @GET("share/indexSharecommentsList.action")
    Observable<List<Comment>> getComments();

    //最新揭曉接口
    @Headers(MyRetrofitManager.CACHE_CONTROL_AGE + MyRetrofitManager.CACHE_STALE_SHORT)
    @GET("lottery/lotteryproductutilList.action")
    Observable<List<Notifications>> getNotifications();

    //商品詳情接口
    @Headers(MyRetrofitManager.CACHE_CONTROL_AGE + MyRetrofitManager.CACHE_STALE_SHORT)
    @GET("products/goodsDescAjax.action")
    Observable<GoodsDetail> getGoodsDetailById(@Query("id") String id);

    //曬單接口
    @Headers(MyRetrofitManager.CACHE_CONTROL_AGE + MyRetrofitManager.CACHE_STALE_SHORT)
    @GET("share/ajaxPage.action")
    Observable<List<ShowBill>> getShareBills(@Query("id") String id, @Query("pageNo") String pageNo, @Query("pageSize") String pageSize);

    //主頁面輪播圖接口
    @Headers(MyRetrofitManager.CACHE_CONTROL_AGE + MyRetrofitManager.CACHE_STALE_SHORT)
    @GET("list/indexImgList.action")
    Observable<List<IndexImgList>> getIndexImgList();

    //主頁面商品列表接口
    @Headers(MyRetrofitManager.CACHE_CONTROL_AGE + MyRetrofitManager.CACHE_STALE_SHORT)
    @GET("list/goodsList.action")
    Observable<ArrayList<GoodsList>> getGoodList(@Query("id") String id, @Query("pageNo") String pageNo, @Query("pageSize") String pageSize);
}

import butterknife.Bind;
import rx.android.schedulers.AndroidSchedulers;
import rx.functions.Action0;
import rx.functions.Action1;
import rx.functions.Func1;
import rx.schedulers.Schedulers;


public class GoodsDetailActivity extends BaseActivity {


    @Bind(R.id.activity_goosdetail_img_back)
    ImageView                       mImgBack;
    @Bind(R.id.activity_goosdetail_img_share)
    ImageView                       mImgShare;
    @Bind(R.id.activity_goosdetail_img_cart)
    ImageView                       mImgCart;
    @Bind(R.id.activity_goosdetail_img_home)
    ImageView                       mImgHome;
    @Bind(R.id.activity_goosdetail_rv_detail)
    RecyclerViewBaseOnPullToRefresh mRvDetail;
    @Bind(R.id.activity_goosdetail_ll_unsell)
    LinearLayout                    mLlUnsell;
    @Bind(R.id.activity_goosdetail_ll_selling)
    LinearLayout                    mLlSelling;
    @Bind(R.id.activity_goosdetail_buy_now)
    TextView                        mTxtBuyNow;
    @Bind(R.id.activity_goosdetail_add_bill)
    TextView                        mTxtAddBill;
    @Bind(R.id.activity_goosdetail_go_now)
    TextView                        mTxtGoNow;

    public final static String LOTTERY_ID  = "lotteryProductId";
    public final static String INTENT_FROM = "intentFrom";
    private String  lotteryProductId;
    private String  intentFrom;
    private Context mContext;
    private App     app;

    private RecyclerView.LayoutManager mLayoutManager;
    private GoodsDetailAdapter         mGoodsDetailAdapter;
    private View                       mHeadView;
    private Kanner                     mKanner;

    public static void start(Context context, String lotteryProductId, String intentFrom) {
        Intent intent = new Intent(context, GoodsDetailActivity.class);
        intent.putExtra(LOTTERY_ID, lotteryProductId);
        intent.putExtra(INTENT_FROM, intentFrom);
        context.startActivity(intent);
    }

    @Override
    protected void onSaveInstanceState(Bundle outState) {
        super.onSaveInstanceState(outState);
        outState.putString(LOTTERY_ID, this.lotteryProductId);
        outState.putString(INTENT_FROM, this.intentFrom);
    }

    @Override
    protected int getLayoutId() {
        return R.layout.activity_goods_detail;
    }

    @Override
    protected void afterCreate(Bundle savedInstanceState) {
        mContext = this;
        app = (App) mContext.getApplicationContext();
        app.addClearActivity(this);
        initData(savedInstanceState);
        loadGoodsDetailById();
    }

    private void initData(Bundle savedInstanceState) {
        if (savedInstanceState != null) {
            if (savedInstanceState.containsKey(LOTTERY_ID) && savedInstanceState.containsKey(INTENT_FROM)) {
                this.lotteryProductId = savedInstanceState.getString(LOTTERY_ID);
                this.intentFrom = savedInstanceState.getString(INTENT_FROM);
            }
        }else{
            this.lotteryProductId = getIntent().getExtras().getString(LOTTERY_ID);
            this.intentFrom = getIntent().getExtras().getString(INTENT_FROM);
        }

        mLayoutManager = new LinearLayoutManager(this, LinearLayoutManager.VERTICAL, false);
        mRvDetail.getRefreshableView().setLayoutManager(mLayoutManager);
        mRvDetail.getRefreshableView().setItemAnimator(new DefaultItemAnimator());
        mGoodsDetailAdapter = new GoodsDetailAdapter();
        setHeader(mRvDetail.getRefreshableView());
        mRvDetail.getRefreshableView().setAdapter(mGoodsDetailAdapter);
        mGoodsDetailAdapter.setOnItemClickListener(new BaseRecyclerAdapter.OnItemClickListener() {
            @Override
            public void onItemClick(int position, Object data) {

            }
        });
        //showNewsDetailFragment(news);
    }
    private void setHeader(RecyclerView view) {
        View header = LayoutInflater.from(this).inflate(R.layout.item_good_detail_first, view, false);
        mHeadView = header;
        mGoodsDetailAdapter.setHeaderView(header);
    }

    private void loadGoodsDetailById() {
        MyRetrofitManager.builder().
        getGoodsDetailById(this.lotteryProductId)
        .subscribeOn(Schedulers.io())
        .observeOn(AndroidSchedulers.mainThread())
        .doOnSubscribe(new Action0() {
            @Override
            public void call() {
                // showProgress();
            }
        }).map(new Func1<GoodsDetail, GoodsDetail>() {
            @Override
            public GoodsDetail call(GoodsDetail goodsDetail) {
                L.e(goodsDetail.getId());
                return goodsDetail;
            }
        }).subscribe(new Action1<GoodsDetail>() {
            @Override
            public void call(GoodsDetail goodsDetail) {
                L.e(goodsDetail.getId());
            }
        },new Action1<Throwable>() {
            @Override
            public void call(Throwable throwable) {
                L.e(throwable,"Load news detail error");
            }
        });
    }
}

mport java.util.ArrayList;
import java.util.List;

import butterknife.Bind;
import rx.android.schedulers.AndroidSchedulers;
import rx.functions.Action0;
import rx.functions.Action1;
import rx.functions.Func1;
import rx.schedulers.Schedulers;

/**
 * Created by pengjf on 2016/5/12.
 */
public class FragmentBuyGood extends BaseFragment {

    @Bind(R.id.fragment_buy_txt_title)
    TextView                        mTxtTitle;
    @Bind(R.id.fragment_buy_img_search)
    ImageView                       mImgSearch;
    @Bind(R.id.fragment_buy_rv_goods)
    RecyclerViewBaseOnPullToRefresh mBuyRv;

    Kanner mKanner;

    private App                        app;
    private Context                    mContext;
    private RecyclerView.LayoutManager mLayoutManager;
    private GoodListAdapter            mGoodListAdapter;
    private String[]                   imgUrls;       //輪播圖需要的url數組
    private String id = "hot20";    //商品默認查詢id
    private String typeId;          //商品默認分類id
    private String pageNo   = "0";    //商品默認頁數
    private String pageSize = "10"; //商品默認每頁個數

    @Override
    protected int getLayoutId() {
        return R.layout.fragment_buy_good;
    }

    @Override
    protected void afterCreate(Bundle savedInstanceState) {
        mContext = getActivity();
        app = (App) mContext.getApplicationContext();
        initData();
        //      if (mNewsListAdapter.getmNewsList().size() == 0) {
        //            loadLatestNews();
        //      }
    }

    public static FragmentBuyGood newInstance() {
        return new FragmentBuyGood();
    }


    private void initData() {
        mLayoutManager = new GridLayoutManager(mContext, 2);
        mGoodListAdapter = new GoodListAdapter();
        mBuyRv.getRefreshableView().setLayoutManager(mLayoutManager);
        //        mBuyRv.getRefreshableView().setItemAnimator(new DefaultItemAnimator());
        //        mBuyRv.getRefreshableView().addItemDecoration(new GridItemDecoration(mContext, true));
        mBuyRv.getRefreshableView().setAdapter(mGoodListAdapter);
        setHeader(mBuyRv.getRefreshableView());
        loadHeaderViewData();
        loadGoodListData();
    }


    /**
     * 給RecycleView設置頭部的View
     * @param view
     */
    private void setHeader(RecyclerView view) {
        View header = LayoutInflater.from(mContext).inflate(R.layout.item_fragment_buy_frist, view, false);
        mKanner = (Kanner) header.findViewById(R.id.fragment_buy_kanner);
        mKanner.setVisibility(View.VISIBLE);
        mGoodListAdapter.setHeaderView(header);
    }

    /**
     * 加載RecycleView頭部的View需要的數據
     */
    private void loadHeaderViewData() {
        MyRetrofitManager.builder().getIndexImgList()
                .subscribeOn(Schedulers.io())
                .observeOn(AndroidSchedulers.mainThread())
                .doOnSubscribe(new Action0() {
                    @Override
                    public void call() {
                        // showProgress();
                    }
                }).map(new Func1<List<IndexImgList>, List<IndexImgList>>() {
                    @Override
                    public List<IndexImgList> call(List<IndexImgList> result) {

                        return result;
                    }
                })
                .subscribe(new Action1<List<IndexImgList>>() {
                    @Override
                    public void call(List<IndexImgList> result) {
                        if(result!=null && result.size()>0) {
                            imgUrls = new String[result.size()];
                            for (int i = 0; i < result.size(); i++) {
                                imgUrls[i] = MyRetrofitManager.BASE_IMAGE_URL + result.get(i).getProImg();
                            }
                            mKanner.setImagesUrl(imgUrls);
                        }else{  //服務器返回數據異常情況待處理

                        }
                    }
                }, new Action1<Throwable>() {
                    @Override
                    public void call(Throwable throwable) {
                        //mAutoLoadListener.setLoading(false);
                        L.e(throwable, "Load before news error");
                        throwable.printStackTrace();
                        //mLoadBeforeSnackbar.show();
                    }
                });
    }

    private void loadGoodListData() {
        MyRetrofitManager.builder().getGoodList(this.id,this.pageNo,this.pageSize)
                .subscribeOn(Schedulers.io())
                .observeOn(AndroidSchedulers.mainThread())
                .doOnSubscribe(new Action0() {
                    @Override
                    public void call() {
                        // showProgress();
                    }
                }).map(new Func1<ArrayList<GoodsList>, ArrayList<GoodsList>>() {
            @Override
            public ArrayList<GoodsList> call(ArrayList<GoodsList> result) {

                return result;
            }
        })
                .subscribe(new Action1<ArrayList<GoodsList>>() {
                    @Override
                    public void call(ArrayList<GoodsList> result) {
                        //服務器成功返回數據
                        if(result!=null && result.size()>0) {
                            mGoodListAdapter.addDatas(result);
                        }else{  //服務器返回數據異常情況待處理

                        }
                    }
                }, new Action1<Throwable>() {
                    @Override
                    public void call(Throwable throwable) {
                        //mAutoLoadListener.setLoading(false);
                        L.e(throwable, "Load before news error");
                        throwable.printStackTrace();
                        //mLoadBeforeSnackbar.show();
                    }
                });
    }
}

gradle

dependencies {
    compile fileTree(include: ['*.jar'], dir: 'libs')
    testCompile 'junit:junit:4.12'
    compile 'com.android.support:appcompat-v7:23.2.0'
    compile 'com.android.support:support-v4:23.2.1'
    compile 'com.android.support:recyclerview-v7:23.2.1'
    compile 'com.android.support:cardview-v7:23.2.1'
    compile 'com.android.support:design:23.2.1'
    // retrofit2 + okhttp3
    compile 'com.squareup.retrofit2:retrofit:2.0.0-beta4'
    compile 'com.squareup.retrofit2:adapter-rxjava:2.0.0-beta4'
    compile 'com.squareup.retrofit2:converter-gson:2.0.0-beta4'
    compile 'com.squareup.okhttp3:okhttp:3.2.0'
    compile 'com.squareup.okhttp3:logging-interceptor:3.2.0'
    // rxjava
    compile 'io.reactivex:rxandroid:1.1.0'
    compile 'io.reactivex:rxjava:1.1.0'
    // gson react
    compile 'com.google.code.gson:gson:2.6.2'
    compile 'com.jakewharton:butterknife:7.0.1'
    compile project(':pulltorefresh_lib')
    compile 'com.android.support:support-v13:+'
    compile 'com.github.bumptech.glide:glide:3.7.0'
    compile 'com.yalantis:phoenix:1.2.3'
}