Android Retrofit和Rxjava的网络请求

2024-02-27 19:48:03 66

Android Retrofit和Rxjava的网络请求

去年的时候好多公司就已经使用Rxjava和Retrofit了，最近自自己学习了一下，感觉真的是很好用，让自己的网络请求变得更简单了，而且封装性极强。

首先做一下准备工作，导入需要引用的文件

compile'com.android.support:appcompat-v7:25.1.0'
testCompile'junit:junit:4.12'
compile'io.reactivex:rxjava:1.1.0'
compile'io.reactivex:rxandroid:1.1.0'
compile'com.squareup.retrofit2:retrofit:2.0.0-beta4'
compile'com.squareup.retrofit2:converter-gson:2.0.0-beta4'
compile'com.squareup.retrofit2:adapter-rxjava:2.0.0-beta4'
compile'com.google.code.gson:gson:2.6.2'
compile'com.jakewharton:butterknife:7.0.1'
compile'com.android.support:recyclerview-v7:25.1.0'

网络请求的地址：https://api.douban.com/v2/movie/top250?start=0&count=10

添加网络请求权限

首先看一下Retrofit的使用基本用法

创建一个接口类MovieService对网络接口进行请求这里写代码片

构建网络请求

publicinterfaceMovieService{
@GET("top250")
CallgetTopMovie(@Query("start")intstart,@Query("count")intcount);
}

StringbaseUrl="https://api.douban.com/v2/movie/";
Retrofitretrofit=newRetrofit.Builder()
.baseUrl(baseUrl)
.addConverterFactory(GsonConverterFactory.create())
.addCallAdapterFactory(RxJavaCallAdapterFactory.create())
.build();
MovieServiceservice=retrofit.create(MovieService.class);
service.getTopMovie(0,10)
.subscribeOn(Schedulers.io())
.observeOn(AndroidSchedulers.mainThread())
.subscribe(newSubscriber(){
@Override
publicvoidonCompleted(){
Toast.makeText(MainActivity.this,"GetTopMovieCompleted",Toast.LENGTH_SHORT).show();
}

@Override
publicvoidonError(Throwablee){
resultTV.setText(e.getMessage());
}

@Override
publicvoidonNext(MovieBeanmovieBean){
resultTV.setText(movieBean.getTitle());
}
});
Callcall=service.getTopMovie(0,10);
call.enqueue(newCallback(){
@Override
publicvoidonResponse(Callcall,Responseresponse){
MovieBeanbody=response.body();
resultTV.setText(response.body().getTitle());
System.out.println("成功"+response.body().getCount());
}

@Override
publicvoidonFailure(Callcall,Throwablet){
resultTV.setText(t.getMessage());
}
});

现在看看我们的布局文件MainActivity的xml

接下来就看看怎么样和RxJava的完美结合了。

首先改造一下MovieService这个接口

publicinterfaceMovieService{
@GET("top250")
ObservablegetTopMovie(@Query("start")intstart,@Query("count")intcount);
}

然后看一下我们需要创建一个HttpMethods关于一个http的请求方法

packageledon.com.retrofitdemo.api;

importjava.util.List;
importjava.util.concurrent.TimeUnit;

importjavax.security.auth.Subject;

importledon.com.retrofitdemo.MovieBean;
importokhttp3.OkHttpClient;
importretrofit2.Retrofit;
importretrofit2.adapter.rxjava.RxJavaCallAdapterFactory;
importretrofit2.converter.gson.GsonConverterFactory;
importrx.Subscriber;
importrx.android.schedulers.AndroidSchedulers;
importrx.functions.Func1;
importrx.schedulers.Schedulers;

/**
*CreatedbyAdministratoron2017/3/9.
*/

publicclassHttpMethods{
publicstaticfinalStringBASE_URL="https://api.douban.com/v2/movie/";
privatestaticfinalintDEFAULT_TIMEOUT=5;
privateRetrofitretrofit;
privateMovieServicemovieService;
//私有化构造方法
privateHttpMethods(){
//手动创建一个okhttpClient并设置超时时间
OkHttpClient.Builderbuilder=newOkHttpClient.Builder();
builder.connectTimeout(DEFAULT_TIMEOUT,TimeUnit.SECONDS);
retrofit=newRetrofit.Builder()
.client(builder.build())
.addConverterFactory(GsonConverterFactory.create())
.addCallAdapterFactory(RxJavaCallAdapterFactory.create())
.baseUrl(BASE_URL)
.build();
movieService=retrofit.create(MovieService.class);


}
//在访问httpmethods时候创建单例
privatestaticclassSingletonHolder{
privatestaticfinalHttpMethodsINSTANCE=newHttpMethods();
}
//获取单例
publicstaticHttpMethodsgetInstance(){
returnSingletonHolder.INSTANCE;
}
publicvoidgetTopMovie(Subscribersubscriber,intstart,intcount){
movieService.getTopMovie(start,count)
.subscribeOn(Schedulers.io())
.unsubscribeOn(Schedulers.io())
.observeOn(AndroidSchedulers.mainThread())
.subscribe(subscriber);

}

}

so，很简单，我们的结合之路已经完成，另附源代码

packageledon.com.retrofitdemo;

importandroid.os.Bundle;
importandroid.support.v7.app.AppCompatActivity;
importandroid.support.v7.widget.LinearLayoutManager;
importandroid.support.v7.widget.RecyclerView;
importandroid.widget.Button;
importandroid.widget.ListView;
importandroid.widget.RelativeLayout;
importandroid.widget.Toast;

importjava.util.List;

importbutterknife.Bind;
importbutterknife.ButterKnife;
importbutterknife.OnClick;
importledon.com.retrofitdemo.adapter.MovieAdapter;
importledon.com.retrofitdemo.api.HttpMethods;
importrx.Subscriber;

publicclassMainActivityextendsAppCompatActivity{



@Bind(R.id.click_me_BN)
ButtonclickMeBN;
@Bind(R.id.result_TV)
ListViewresultTV;
@Bind(R.id.activity_main)
RelativeLayoutactivityMain;
privateSubscribersubscriber;
privateListlist;
@Override
protectedvoidonCreate(BundlesavedInstanceState){
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
ButterKnife.bind(this);

//resultTV.setAdapter();

}


//进行网络请求
privatevoidgetMovie(){
subscriber=newSubscriber(){
@Override
publicvoidonCompleted(){
Toast.makeText(MainActivity.this,"GetTopMovieCompleted",Toast.LENGTH_SHORT).show();
}

@Override
publicvoidonError(Throwablee){
//resultTV.setText(e.getMessage());
}

@Override
publicvoidonNext(MovieBeanmovieBean){
//Listsubjects=movieBean.getSubjects();
list=movieBean.getSubjects();
MovieAdaptermovieAdapter=newMovieAdapter(MainActivity.this,list);
resultTV.setAdapter(movieAdapter);
//resultTV.setText(movieBean.getTitle());
}
};
HttpMethods.getInstance().getTopMovie(subscriber,0,10);
/*StringbaseUrl="https://api.douban.com/v2/movie/";
Retrofitretrofit=newRetrofit.Builder()
.baseUrl(baseUrl)
.addConverterFactory(GsonConverterFactory.create())
.addCallAdapterFactory(RxJavaCallAdapterFactory.create())
.build();
MovieServiceservice=retrofit.create(MovieService.class);
service.getTopMovie(0,10)
.subscribeOn(Schedulers.io())
.observeOn(AndroidSchedulers.mainThread())
.subscribe(newSubscriber(){
@Override
publicvoidonCompleted(){
Toast.makeText(MainActivity.this,"GetTopMovieCompleted",Toast.LENGTH_SHORT).show();
}

@Override
publicvoidonError(Throwablee){
resultTV.setText(e.getMessage());
}

@Override
publicvoidonNext(MovieBeanmovieBean){
resultTV.setText(movieBean.getTitle());
}
});*/
//Callcall=service.getTopMovie(0,10);
/*call.enqueue(newCallback(){
@Override
publicvoidonResponse(Callcall,Responseresponse){
MovieBeanbody=response.body();
resultTV.setText(response.body().getTitle());
System.out.println("成功"+response.body().getCount());
}

@Override
publicvoidonFailure(Callcall,Throwablet){
resultTV.setText(t.getMessage());
}
});*/
}

@OnClick(R.id.click_me_BN)
publicvoidonClick(){
getMovie();
}

}

packageledon.com.retrofitdemo;

importjava.util.List;

/**
*CreatedbyAdministratoron2017/3/9.
*/

publicclassMovieBean{

/**
*count:10
*start:0
*total:250
*subjects:[{"rating":{"max":10,"average":9.6,"stars":"50","min":0},"genres":["犯罪","剧情"],"title":"肖申克的救赎","casts":[{"alt":"https://movie.douban.com/celebrity/1054521/","avatars":{"small":"https://img3.doubanio.com/img/celebrity/small/17525.jpg","large":"https://img3.doubanio.com/img/celebrity/large/17525.jpg","medium":"https://img3.doubanio.com/img/celebrity/medium/17525.jpg"},"name":"蒂姆·罗宾斯","id":"1054521"},{"alt":"https://movie.douban.com/celebrity/1054534/","avatars":{"small":"https://img3.doubanio.com/img/celebrity/small/34642.jpg","large":"https://img3.doubanio.com/img/celebrity/large/34642.jpg","medium":"https://img3.doubanio.com/img/celebrity/medium/34642.jpg"},"name":"摩根·弗里曼","id":"1054534"},{"alt":"https://movie.douban.com/celebrity/1041179/","avatars":{"small":"https://img1.doubanio.com/img/celebrity/small/5837.jpg","large":"https://img1.doubanio.com/img/celebrity/large/5837.jpg","medium":"https://img1.doubanio.com/img/celebrity/medium/5837.jpg"},"name":"鲍勃·冈顿","id":"1041179"}],"collect_count":1036030,"original_title":"TheShawshankRedemption","subtype":"movie","directors":[{"alt":"https://movie.douban.com/celebrity/1047973/","avatars":{"small":"https://img3.doubanio.com/img/celebrity/small/230.jpg","large":"https://img3.doubanio.com/img/celebrity/large/230.jpg","medium":"https://img3.doubanio.com/img/celebrity/medium/230.jpg"},"name":"弗兰克·德拉邦特","id":"1047973"}],"year":"1994","images":{"small":"https://img3.doubanio.com/view/movie_poster_cover/ipst/public/p480747492.jpg","large":"https://img3.doubanio.com/view/movie_poster_cover/lpst/public/p480747492.jpg","medium":"https://img3.doubanio.com/view/movie_poster_cover/spst/public/p480747492.jpg"},"alt":"https://movie.douban.com/subject/1292052/","id":"1292052"},{"rating":{"max":10,"average":9.4,"stars":"50","min":0},"genres":["剧情","动作","犯罪"],"title":"这个杀手不太冷","casts":[{"alt":"https://movie.douban.com/celebrity/1025182/","avatars":{"small":"https://img3.doubanio.com/img/celebrity/small/8833.jpg","large":"https://img3.doubanio.com/img/celebrity/large/8833.jpg","medium":"https://img3.doubanio.com/img/celebrity/medium/8833.jpg"},"name":"让·雷诺","id":"1025182"},{"alt":"https://movie.douban.com/celebrity/1054454/","avatars":{"small":"https://img3.doubanio.com/img/celebrity/small/2274.jpg","large":"https://img3.doubanio.com/img/celebrity/large/2274.jpg","medium":"https://img3.doubanio.com/img/celebrity/medium/2274.jpg"},"name":"娜塔莉·波特曼","id":"1054454"},{"alt":"https://movie.douban.com/celebrity/1010507/","avatars":{"small":"https://img3.doubanio.com/img/celebrity/small/104.jpg","large":"https://img3.doubanio.com/img/celebrity/large/104.jpg","medium":"https://img3.doubanio.com/img/celebrity/medium/104.jpg"},"name":"加里·奥德曼","id":"1010507"}],"collect_count":1002125,"original_title":"Léon","subtype":"movie","directors":[{"alt":"https://movie.douban.com/celebrity/1031876/","avatars":{"small":"https://img3.doubanio.com/img/celebrity/small/33301.jpg","large":"https://img3.doubanio.com/img/celebrity/large/33301.jpg","medium":"https://img3.doubanio.com/img/celebrity/medium/33301.jpg"},"name":"吕克·贝松","id":"1031876"}],"year":"1994","images":{"small":"https://img3.doubanio.com/view/movie_poster_cover/ipst/public/p511118051.jpg","large":"https://img3.doubanio.com/view/movie_poster_cover/lpst/public/p511118051.jpg","medium":"https://img3.doubanio.com/view/movie_poster_cover/spst/public/p511118051.jpg"},"alt":"https://movie.douban.com/subject/1295644/","id":"1295644"},{"rating":{"max":10,"average":9.5,"stars":"50","min":0},"genres":["剧情","爱情","同性"],"title":"霸王别姬","casts":[{"alt":"https://movie.douban.com/celebrity/1003494/","avatars":{"small":"https://img1.doubanio.com/img/celebrity/small/67.jpg","large":"https://img1.doubanio.com/img/celebrity/large/67.jpg","medium":"https://img1.doubanio.com/img/celebrity/medium/67.jpg"},"name":"张国荣","id":"1003494"},{"alt":"https://movie.douban.com/celebrity/1050265/","avatars":{"small":"https://img3.doubanio.com/img/celebrity/small/10381.jpg","large":"https://img3.doubanio.com/img/celebrity/large/10381.jpg","medium":"https://img3.doubanio.com/img/celebrity/medium/10381.jpg"},"name":"张丰毅","id":"1050265"},{"alt":"https://movie.douban.com/celebrity/1035641/","avatars":{"small":"https://img1.doubanio.com/img/celebrity/small/1399268395.47.jpg","large":"https://img1.doubanio.com/img/celebrity/large/1399268395.47.jpg","medium":"https://img1.doubanio.com/img/celebrity/medium/1399268395.47.jpg"},"name":"巩俐","id":"1035641"}],"collect_count":727900,"original_title":"霸王别姬","subtype":"movie","directors":[{"alt":"https://movie.douban.com/celebrity/1023040/","avatars":{"small":"https://img3.doubanio.com/img/celebrity/small/750.jpg","large":"https://img3.doubanio.com/img/celebrity/large/750.jpg","medium":"https://img3.doubanio.com/img/celebrity/medium/750.jpg"},"name":"陈凯歌","id":"1023040"}],"year":"1993","images":{"small":"https://img3.doubanio.com/view/movie_poster_cover/ipst/public/p1910813120.jpg","large":"https://img3.doubanio.com/view/movie_poster_co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*title:豆瓣电影Top250
*/

privateintcount;
privateintstart;
privateinttotal;
privateStringtitle;
privateListsubjects;

publicintgetCount(){
returncount;
}

publicvoidsetCount(intcount){
this.count=count;
}

publicintgetStart(){
returnstart;
}

publicvoidsetStart(intstart){
this.start=start;
}

publicintgetTotal(){
returntotal;
}

publicvoidsetTotal(inttotal){
this.total=total;
}

publicStringgetTitle(){
returntitle;
}

publicvoidsetTitle(Stringtitle){
this.title=title;
}

publicListgetSubjects(){
returnsubjects;
}

publicvoidsetSubjects(Listsubjects){
this.subjects=subjects;
}

publicstaticclassSubjectsBean{
/**
*rating:{"max":10,"average":9.6,"starsmin":0}
*genres:["犯罪","剧情"]":"50","
*title:肖申克的救赎
*casts:[{"alt":"https://movie.douban.com/celebrity/1054521/","avatars":{"small":"https://img3.doubanio.com/img/celebrity/small/17525.jpg","large":"https://img3.doubanio.com/img/celebrity/large/17525.jpg","medium":"https://img3.doubanio.com/img/celebrity/medium/17525.jpg"},"name":"蒂姆·罗宾斯","id":"1054521"},{"alt":"https://movie.douban.com/celebrity/1054534/","avatars":{"small":"https://img3.doubanio.com/img/celebrity/small/34642.jpg","large":"https://img3.doubanio.com/img/celebrity/large/34642.jpg","medium":"https://img3.doubanio.com/img/celebrity/medium/34642.jpg"},"name":"摩根·弗里曼","id":"1054534"},{"alt":"https://movie.douban.com/celebrity/1041179/","avatars":{"small":"https://img1.doubanio.com/img/celebrity/small/5837.jpg","large":"https://img1.doubanio.com/img/celebrity/large/5837.jpg","medium":"https://img1.doubanio.com/img/celebrity/medium/5837.jpg"},"name":"鲍勃·冈顿","id":"1041179"}]
*collect_count:1036030
*original_title:TheShawshankRedemption
*subtype:movie
*directors:[{"alt":"https://movie.douban.com/celebrity/1047973/","avatars":{"small":"https://img3.doubanio.com/img/celebrity/small/230.jpg","large":"https://img3.doubanio.com/img/celebrity/large/230.jpg","medium":"https://img3.doubanio.com/img/celebrity/medium/230.jpg"},"name":"弗兰克·德拉邦特","id":"1047973"}]
*year:1994
*images:{"small":"https://img3.doubanio.com/view/movie_poster_cover/ipst/public/p480747492.jpg","large":"https://img3.doubanio.com/view/movie_poster_cover/lpst/public/p480747492.jpg","medium":"https://img3.doubanio.com/view/movie_poster_cover/spst/public/p480747492.jpg"}
*alt:https://movie.douban.com/subject/1292052/
*id:1292052
*/

privateRatingBeanrating;
privateStringtitle;
privateintcollect_count;
privateStringoriginal_title;
privateStringsubtype;
privateStringyear;
privateImagesBeanimages;
privateStringalt;
privateStringid;
privateListgenres;
privateListcasts;
privateListdirectors;

publicRatingBeangetRating(){
returnrating;
}

publicvoidsetRating(RatingBeanrating){
this.rating=rating;
}

publicStringgetTitle(){
returntitle;
}

publicvoidsetTitle(Stringtitle){
this.title=title;
}

publicintgetCollect_count(){
returncollect_count;
}

publicvoidsetCollect_count(intcollect_count){
this.collect_count=collect_count;
}

publicStringgetOriginal_title(){
returnoriginal_title;
}

publicvoidsetOriginal_title(Stringoriginal_title){
this.original_title=original_title;
}

publicStringgetSubtype(){
returnsubtype;
}

publicvoidsetSubtype(Stringsubtype){
this.subtype=subtype;
}

publicStringgetYear(){
returnyear;
}

publicvoidsetYear(Stringyear){
this.year=year;
}

publicImagesBeangetImages(){
returnimages;
}

publicvoidsetImages(ImagesBeanimages){
this.images=images;
}

publicStringgetAlt(){
returnalt;
}

publicvoidsetAlt(Stringalt){
this.alt=alt;
}

publicStringgetId(){
returnid;
}

publicvoidsetId(Stringid){
this.id=id;
}

publicListgetGenres(){
returngenres;
}

publicvoidsetGenres(Listgenres){
this.genres=genres;
}

publicListgetCasts(){
returncasts;
}

publicvoidsetCasts(Listcasts){
this.casts=casts;
}

publicListgetDirectors(){
returndirectors;
}

publicvoidsetDirectors(Listdirectors){
this.directors=directors;
}

publicstaticclassRatingBean{
/**
*max:10
*average:9.6
*stars:50
*min:0
*/

privateintmax;
privatedoubleaverage;
privateStringstars;
privateintmin;

publicintgetMax(){
returnmax;
}

publicvoidsetMax(intmax){
this.max=max;
}

publicdoublegetAverage(){
returnaverage;
}

publicvoidsetAverage(doubleaverage){
this.average=average;
}

publicStringgetStars(){
returnstars;
}

publicvoidsetStars(Stringstars){
this.stars=stars;
}

publicintgetMin(){
returnmin;
}

publicvoidsetMin(intmin){
this.min=min;
}
}

publicstaticclassImagesBean{
/**
*small:https://img3.doubanio.com/view/movie_poster_cover/ipst/public/p480747492.jpg
*large:https://img3.doubanio.com/view/movie_poster_cover/lpst/public/p480747492.jpg
*medium:https://img3.doubanio.com/view/movie_poster_cover/spst/public/p480747492.jpg
*/

privateStringsmall;
privateStringlarge;
privateStringmedium;

publicStringgetSmall(){
returnsmall;
}

publicvoidsetSmall(Stringsmall){
this.small=small;
}

publicStringgetLarge(){
returnlarge;
}

publicvoidsetLarge(Stringlarge){
this.large=large;
}

publicStringgetMedium(){
returnmedium;
}

publicvoidsetMedium(Stringmedium){
this.medium=medium;
}
}

publicstaticclassCastsBean{
/**
*alt:https://movie.douban.com/celebrity/1054521/
*avatars:{"small":"https://img3.doubanio.com/img/celebrity/small/17525.jpg","large":"https://img3.doubanio.com/img/celebrity/large/17525.jpg","medium":"https://img3.doubanio.com/img/celebrity/medium/17525.jpg"}
*name:蒂姆·罗宾斯
*id:1054521
*/

privateStringalt;
privateAvatarsBeanavatars;
privateStringname;
privateStringid;

publicStringgetAlt(){
returnalt;
}

publicvoidsetAlt(Stringalt){
this.alt=alt;
}

publicAvatarsBeangetAvatars(){
returnavatars;
}

publicvoidsetAvatars(AvatarsBeanavatars){
this.avatars=avatars;
}

publicStringgetName(){
returnname;
}

publicvoidsetName(Stringname){
this.name=name;
}

publicStringgetId(){
returnid;
}

publicvoidsetId(Stringid){
this.id=id;
}

publicstaticclassAvatarsBean{
/**
*small:https://img3.doubanio.com/img/celebrity/small/17525.jpg
*large:https://img3.doubanio.com/img/celebrity/large/17525.jpg
*medium:https://img3.doubanio.com/img/celebrity/medium/17525.jpg
*/

privateStringsmall;
privateStringlarge;
privateStringmedium;

publicStringgetSmall(){
returnsmall;
}

publicvoidsetSmall(Stringsmall){
this.small=small;
}

publicStringgetLarge(){
returnlarge;
}

publicvoidsetLarge(Stringlarge){
this.large=large;
}

publicStringgetMedium(){
returnmedium;
}

publicvoidsetMedium(Stringmedium){
this.medium=medium;
}
}
}

publicstaticclassDirectorsBean{
/**
*alt:https://movie.douban.com/celebrity/1047973/
*avatars:{"small":"https://img3.doubanio.com/img/celebrity/small/230.jpg","large":"https://img3.doubanio.com/img/celebrity/large/230.jpg","medium":"https://img3.doubanio.com/img/celebrity/medium/230.jpg"}
*name:弗兰克·德拉邦特
*id:1047973
*/

privateStringalt;
privateAvatarsBeanXavatars;
privateStringname;
privateStringid;

publicStringgetAlt(){
returnalt;
}

publicvoidsetAlt(Stringalt){
this.alt=alt;
}

publicAvatarsBeanXgetAvatars(){
returnavatars;
}

publicvoidsetAvatars(AvatarsBeanXavatars){
this.avatars=avatars;
}

publicStringgetName(){
returnname;
}

publicvoidsetName(Stringname){
this.name=name;
}

publicStringgetId(){
returnid;
}

publicvoidsetId(Stringid){
this.id=id;
}

publicstaticclassAvatarsBeanX{
/**
*small:https://img3.doubanio.com/img/celebrity/small/230.jpg
*large:https://img3.doubanio.com/img/celebrity/large/230.jpg
*medium:https://img3.doubanio.com/img/celebrity/medium/230.jpg
*/

privateStringsmall;
privateStringlarge;
privateStringmedium;

publicStringgetSmall(){
returnsmall;
}

publicvoidsetSmall(Stringsmall){
this.small=small;
}

publicStringgetLarge(){
returnlarge;
}

publicvoidsetLarge(Stringlarge){
this.large=large;
}

publicStringgetMedium(){
returnmedium;
}

publicvoidsetMedium(Stringmedium){
this.medium=medium;
}
}
}
}
}

packageledon.com.retrofitdemo.adapter;

importandroid.content.Context;
importandroid.view.LayoutInflater;
importandroid.view.View;
importandroid.view.ViewGroup;
importandroid.widget.BaseAdapter;
importandroid.widget.ImageView;
importandroid.widget.ListView;
importandroid.widget.TextView;

importjava.util.List;

importledon.com.retrofitdemo.MovieBean;
importledon.com.retrofitdemo.R;

/**
*CreatedbyAdministratoron2017/3/9.
*/

publicclassMovieAdapterextendsBaseAdapter{
privateContextcontext;
privateListlists;

publicMovieAdapter(Contextcontext,Listlists){
this.context=context;
this.lists=lists;
}

@Override
publicintgetCount(){
System.out.println("集合大小："+lists.size());
returnlists.size();
}

@Override
publicObjectgetItem(inti){
returnnull;
}

@Override
publiclonggetItemId(inti){
return0;
}

@Override
publicViewgetView(inti,ViewconvertView,ViewGroupviewGroup){
ViewHolderholder;
if(convertView==null){
convertView=LayoutInflater.from(context).inflate(R.layout.item,null);
holder=newViewHolder();
holder.tv_title=(TextView)convertView.findViewById(R.id.tv_title);
holder.tv_name=(TextView)convertView.findViewById(R.id.tv_name);
convertView.setTag(holder);
}else{
holder=(ViewHolder)convertView.getTag();
}



//MovieBean.SubjectsBeansubjectsBean=lists.get(i).getSubjects().get(i);

holder.tv_title.setText(lists.get(i).getTitle());
//holder.tv_name.setText(lists.get(i).getCasts().get(i).getName());
returnconvertView;
}
staticclassViewHolder{
TextViewtv_title;
TextViewtv_name;
}
}

packageledon.com.retrofitdemo.api;

importjava.util.List;
importjava.util.concurrent.TimeUnit;

importjavax.security.auth.Subject;

importledon.com.retrofitdemo.MovieBean;
importokhttp3.OkHttpClient;
importretrofit2.Retrofit;
importretrofit2.adapter.rxjava.RxJavaCallAdapterFactory;
importretrofit2.converter.gson.GsonConverterFactory;
importrx.Subscriber;
importrx.android.schedulers.AndroidSchedulers;
importrx.functions.Func1;
importrx.schedulers.Schedulers;

/**
*CreatedbyAdministratoron2017/3/9.
*/

publicclassHttpMethods{
publicstaticfinalStringBASE_URL="https://api.douban.com/v2/movie/";
privatestaticfinalintDEFAULT_TIMEOUT=5;
privateRetrofitretrofit;
privateMovieServicemovieService;
//私有化构造方法
privateHttpMethods(){
//手动创建一个okhttpClient并设置超时时间
OkHttpClient.Builderbuilder=newOkHttpClient.Builder();
builder.connectTimeout(DEFAULT_TIMEOUT,TimeUnit.SECONDS);
retrofit=newRetrofit.Builder()
.client(builder.build())
.addConverterFactory(GsonConverterFactory.create())
.addCallAdapterFactory(RxJavaCallAdapterFactory.create())
.baseUrl(BASE_URL)
.build();
movieService=retrofit.create(MovieService.class);


}
//在访问httpmethods时候创建单例
privatestaticclassSingletonHolder{
privatestaticfinalHttpMethodsINSTANCE=newHttpMethods();
}
//获取单例
publicstaticHttpMethodsgetInstance(){
returnSingletonHolder.INSTANCE;
}
publicvoidgetTopMovie(Subscribersubscriber,intstart,intcount){
movieService.getTopMovie(start,count)
.subscribeOn(Schedulers.io())
.unsubscribeOn(Schedulers.io())
.observeOn(AndroidSchedulers.mainThread())
.subscribe(subscriber);
/*movieService.getTopMovie(start,count)
.map(newHttpResultFunc>())
.subscribeOn(Schedulers.io())
.unsubscribeOn(Schedulers.io())
.observeOn(AndroidSchedulers.mainThread())
.subscribe(subscriber);*/
}
privateclassHttpResultFuncimplementsFunc1,T>{

@Override
publicTcall(HttpResulthttpResult){

returnhttpResult.getSubjects();
}
}
}

packageledon.com.retrofitdemo.api;

importledon.com.retrofitdemo.MovieBean;
importretrofit2.Call;
importretrofit2.http.GET;
importretrofit2.http.Query;
importrx.Observable;

/**
*CreatedbyAdministratoron2017/3/9.
*/

publicinterfaceMovieService{
@GET("top250")
ObservablegetTopMovie(@Query("start")intstart,@Query("count")intcount);
}

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