Retrofit+RxJava的工具类封装

public class RetrofitUtil {

    private final Retrofit retrofit;
    private static RetrofitUtil retrofitUtil;

    private RetrofitUtil() {
        retrofit = new Retrofit.Builder()
                .baseUrl(Api.URL)
                .addConverterFactory(GsonConverterFactory.create())
                .addCallAdapterFactory(RxJava2CallAdapterFactory.create())
                .build();
    }
	///单列
    public static RetrofitUtil getInstace() {
        if (retrofitUtil == null) {
            synchronized (RetrofitUtil.class) {
                if (retrofitUtil == null) {
                    retrofitUtil = new RetrofitUtil();
                }
            }
        }
        return retrofitUtil;
    }

    public static  T getService(Class c) {
        return getInstace().retrofit.create(c);
    }
	
    public static  void init(Observable observable, DefaultObserver defaultObserver) {
        observable
                .subscribeOn(Schedulers.io())
                .observeOn(AndroidSchedulers.mainThread())
                .subscribe(defaultObserver);
    }
}