【Android高级】RxJava2.0和Retrofit2.0的使用探究

初次测试：

MainAct:

package com.rx.test.rxtestproject;import android.graphics.Bitmap;import android.graphics.BitmapFactory;import android.os.Bundle;import android.support.v7.app.AppCompatActivity;import android.util.Log;import android.view.View;import android.widget.ImageView;import android.widget.TextView;import com.lidroid.xutils.ViewUtils;import com.lidroid.xutils.view.annotation.ViewInject;import com.lidroid.xutils.view.annotation.event.OnClick;import com.myrest.test.IGitApi;import com.myrest.test.UserBean;import java.io.InputStream;import java.net.HttpURLConnection;import java.net.URL;import java.util.Arrays;import java.util.List;import retrofit.Call;import retrofit.Callback;import retrofit.GsonConverterFactory;import retrofit.Response;import retrofit.Retrofit;import rx.Observable;import rx.Subscriber;import rx.android.schedulers.AndroidSchedulers;import rx.functions.Action1;import rx.functions.Func1;import rx.schedulers.Schedulers;public class MainActivity extends AppCompatActivity {    @ViewInject(R.id.textView)    TextView textView;    @ViewInject(R.id.imageView)    ImageView imageView;    @Override    protected void onCreate(Bundle savedInstanceState) {        super.onCreate(savedInstanceState);        setContentView(R.layout.activity_main);        ViewUtils.inject(this);    }    public void test1(View v) {        Observable<String> observable = Observable.create(new Observable.OnSubscribe<String>() {            @Override            public void call(Subscriber<? super String> subscriber) {                subscriber.onNext("haha");            }        });        Subscriber<String> subscriber = new Subscriber<String>() {            @Override            public void onCompleted() {            }            @Override            public void onError(Throwable e) {            }            @Override            public void onNext(String s) {                textView.setText(s);            }        };        observable.subscribe(subscriber);    }    public void test2(View v) {//        Observable<String>observable=Observable.just("just test");//        Action1<String>action1=new Action1<String>() {//            @Override//            public void call(String s) {//                textView.setText(s);//            }//        };////        observable.subscribe(action1);//        Observable.just("Test just").subscribe(new Action1<String>() {//            @Override//            public void call(String s) {//              textView.setText(s);//            }//        });//        Observable.just("test map")//                .map(new Func1<String, String >() {//            @Override//            public String call(String s) {//                return s+" in call";//            }//        }).map(new Func1<String, String>() {//            @Override//            public String call(String s) {//                return s+" a in";//            }//        }).subscribe(new Action1<String>() {//            @Override//            public void call(String s) {//                textView.setText(s);//            }//        });        Observable.just(5).map(new Func1<Integer, String>() {            @Override            public String call(Integer integer) {                return integer + " s1";            }        }).map(new Func1<String, Integer>() {            @Override            public Integer call(String s) {                return 9;            }        }).subscribe(new Action1<Integer>() {            @Override            public void call(Integer integer) {                textView.setText("last:" + integer);            }        });    }    public void test3(View v) {        String[] strs = {"a", "b", "c"};//        Observable.from(strs).subscribe(new Subscriber<String>() {//            @Override//            public void onStart() {//                //      super.onStart();//                textView.setText("");//                Log.i("tag", "onStart");//            }////            @Override//            public void onCompleted() {//                Log.i("tag", "onCompleted");//            }////            @Override//            public void onError(Throwable e) {////            }////            @Override//            public void onNext(String s) {//                Log.i("tag", "onNext");//                textView.append(s);//            }//        });        Observable.just(Arrays.asList(strs)).flatMap(new Func1<List<String>, Observable<String>>() {            @Override            public Observable<String> call(List<String> strings) {                return Observable.from(strings);            }        }).subscribe(new Subscriber<String>() {            @Override            public void onStart() {                textView.setText("");                Log.i("tag", "onStart");            }            @Override            public void onCompleted() {                Log.i("tag", "onCompleted");            }            @Override            public void onError(Throwable e) {            }            @Override            public void onNext(String s) {                Log.i("tag", "onNext");                textView.append(s);            }        });    }    public void test4(View v) {        Observable.create(new Observable.OnSubscribe<Bitmap>() {            @Override            public void call(Subscriber<? super Bitmap> subscriber) {                try {                    URL url = new URL("http://a.hiphotos.baidu.com/zhidao/pic/item/0824ab18972bd4073df731c379899e510fb309df.jpg");                    HttpURLConnection httpURLConnection = (HttpURLConnection) url.openConnection();                    InputStream inputStream = httpURLConnection.getInputStream();                    Bitmap bitmap = BitmapFactory.decodeStream(inputStream);                    subscriber.onNext(bitmap);                    Log.i("tag", "http:" + Thread.currentThread().getName());                } catch (Exception e) {                    e.printStackTrace();                }            }        }).subscribeOn(Schedulers.io()).observeOn(AndroidSchedulers.mainThread()).subscribe(new Action1<Bitmap>() {            @Override            public void call(Bitmap bitmap) {                imageView.setImageBitmap(bitmap);                Log.i("tag", "setbitmap:" + Thread.currentThread().getName());            }        });//                    .subscribeOn(Schedulers.io()////            ).////            observeOn(AndroidSchedulers.mainThread()////            ).////            subscribe(new Action1<Bitmap>() {//                @Override//                public void call (Bitmap bitmap){////                }//            }////            );//        }    }    public void test5(View v) {        String endUrl = "http://ip.taobao.com";        Retrofit retrofit = new Retrofit.Builder().baseUrl(endUrl).addConverterFactory(GsonConverterFactory.create()).build();        ApiService apiService = retrofit.create(ApiService.class);        Call<GetIpInfoResponse> call = apiService.getIpInfo("63.223.108.42");        call.enqueue(new Callback<GetIpInfoResponse>() {            @Override            public void onResponse(Response<GetIpInfoResponse> response, Retrofit retrofit) {                GetIpInfoResponse getIpInfoResponse = response.body();                textView.setText(getIpInfoResponse.data.country + "\n" + getIpInfoResponse.toString());            }            @Override            public void onFailure(Throwable t) {                textView.setText("fail");            }        });    }    @OnClick(R.id.button)    public void test6(View v) {//        String API = "http://api.github.com";////        Retrofit retrofit = new Retrofit.Builder().baseUrl(API).addConverterFactory(GsonConverterFactory.create()).build();//////        IGitApi iGitApi = retrofit.create(IGitApi.class);////        iGitApi.getData("scboyhj", new Callback<UserBean>() {////            @Override//            public void onResponse(Response<UserBean> response, Retrofit retrofit) {//                UserBean userBean = response.body();//                textView.setText(userBean.toString());//            }////            @Override//            public void onFailure(Throwable t) {//                textView.setText("fail in");//            }//        });        String endUrl = "https://api.github.com";        Retrofit retrofit = new Retrofit.Builder().baseUrl(endUrl).addConverterFactory(GsonConverterFactory.create()).build();        IGitApi apiService = retrofit.create(IGitApi.class);        Call<UserBean> call = apiService.getData("scboyhj");        call.enqueue(new Callback<UserBean>() {            @Override            public void onResponse(Response<UserBean> response, Retrofit retrofit) {                UserBean userBean = response.body();                textView.setText(userBean.toString());            }            @Override            public void onFailure(Throwable t) {                textView.setText("fail in");            }        });    }}

接口

public interface IGitApi {    @GET("/users/{user}")    public Call<UserBean> getData(@Path("user") String user);}

综合测试：分开和一起

public class MainAct extends AppCompatActivity {    @ViewInject(R.id.retrorxIg)    ImageView imageView;    @ViewInject(R.id.retrorxTv)    TextView textView;    @Override    protected void onCreate(Bundle savedInstanceState) {        super.onCreate(savedInstanceState);        setContentView(R.layout.rxretrolay);        ViewUtils.inject(this);    }    @OnClick(R.id.retroBt)    public void testRe(View v) {        String url = "https://api.github.com";        Retrofit retrofit = new Retrofit.Builder().addConverterFactory(GsonConverterFactory.create()).baseUrl(url).build();        GitInter gitInter = retrofit.create(GitInter.class);        Call<GitBean> gitBeanCall = gitInter.getInfo("scboyhj");        gitBeanCall.enqueue(new Callback<GitBean>() {            @Override            public void onResponse(Response<GitBean> response, Retrofit retrofit) {                GitBean gitBean = response.body();                textView.setText(gitBean.toString());            }            @Override            public void onFailure(Throwable t) {                textView.setText("on fail");            }        });    }    @OnClick(R.id.rxBt)    public void testRx(View v) {        Observable.just("").map(new Func1<String, Bitmap>() {            @Override            public Bitmap call(String s) {                try {                    URL url = new URL("http://pic30.nipic.com/20130618/11860366_201437262000_2.jpg");                    HttpURLConnection urlConnection = (HttpURLConnection) url.openConnection();                    Bitmap bitmap = BitmapFactory.decodeStream(urlConnection.getInputStream());                    return bitmap;                } catch (MalformedURLException e) {                    e.printStackTrace();                } catch (Exception e) {                    e.printStackTrace();                }                return null;            }        }).subscribeOn(Schedulers.io()).observeOn(AndroidSchedulers.mainThread()).subscribe(new Action1<Bitmap>() {            @Override            public void call(Bitmap bitmap) {                if (bitmap == null) {                    textView.setText("internet fail");                } else {                    imageView.setImageBitmap(bitmap);                }            }        });    }    @OnClick(R.id.rx_retro_Bt)    public  void testRx_Retro(View v){        String url = "https://api.github.com";        Retrofit retrofit = new Retrofit.Builder().addConverterFactory(GsonConverterFactory.create()).addCallAdapterFactory(RxJavaCallAdapterFactory.create()).baseUrl(url).build();        final GitInter2 gitInter = retrofit.create(GitInter2.class);        Observable.just("scboyhj").flatMap(new Func1<String, Observable<GitBean>>() {            @Override            public Observable<GitBean> call(String s) {                Observable<GitBean> gitBeanCall = gitInter.getInfo(s);                return gitBeanCall;            }        }).subscribeOn(Schedulers.io()). observeOn(AndroidSchedulers.mainThread()).subscribe(new Observer<GitBean>() {            @Override            public void onCompleted() {                Log.i("tag","onCompleted");            }            @Override            public void onError(Throwable e) {                Log.i("tag","onError");            }            @Override            public void onNext(GitBean gitBean) {                textView.setText(gitBean.toString());            }        });    }}