<uses-permission android:name="android.permission.INTERNET"/>
<uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE"/>
2
2
 
1
    <uses-permission android:name="android.permission.INTERNET"/>
2
    <uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE"/>

依赖

注:这里没有指定支持 Lambda 表达式需要的配置
    //【retrofit2】
compile 'com.squareup.retrofit2:retrofit:2.3.0'
compile 'com.squareup.retrofit2:converter-gson:2.3.0'
compile 'com.squareup.retrofit2:adapter-rxjava:2.3.0' //【okhttp】
compile 'com.squareup.okhttp3:okhttp:3.8.0'
compile 'com.squareup.okhttp3:logging-interceptor:3.8.0'
compile 'com.squareup.okio:okio:1.13.0' //【butterknife】
compile 'com.jakewharton:butterknife:8.8.1'
annotationProcessor 'com.jakewharton:butterknife-compiler:8.8.1' //【rxjava】
compile 'io.reactivex:rxandroid:1.1.0'
compile 'io.reactivex:rxjava:1.1.6'
17
17
 
1
    //【retrofit2】
2
    compile 'com.squareup.retrofit2:retrofit:2.3.0'
3
    compile 'com.squareup.retrofit2:converter-gson:2.3.0'
4
    compile 'com.squareup.retrofit2:adapter-rxjava:2.3.0'
5

6
    //【okhttp】
7
    compile 'com.squareup.okhttp3:okhttp:3.8.0'
8
    compile 'com.squareup.okhttp3:logging-interceptor:3.8.0'
9
    compile 'com.squareup.okio:okio:1.13.0'
10

11
    //【butterknife】
12
    compile 'com.jakewharton:butterknife:8.8.1'
13
    annotationProcessor 'com.jakewharton:butterknife-compiler:8.8.1'
14

15
    //【rxjava】
16
    compile 'io.reactivex:rxandroid:1.1.0'
17
    compile 'io.reactivex:rxjava:1.1.6'

GitHubApi

public interface GitHubApi {

	@GET("repos/{owner}/{repo}/contributors")
Call<ResponseBody> contributorsBySimpleGetCall(@Path("owner") String owner, @Path("repo") String repo); @GET("repos/{owner}/{repo}/contributors")
Call<List<Contributor>> contributorsByAddConverterGetCall(@Path("owner") String owner, @Path("repo") String repo); @Headers({"Accept: application/vnd.github.v3.full+json", "User-Agent: RetrofitBean-Sample-App", "name:ljd"})
@GET("repos/{owner}/{repo}/contributors")
Call<List<Contributor>> contributorsAndAddHeader(@Path("owner") String owner, @Path("repo") String repo); @GET("search/repositories")
Call<RetrofitBean> queryRetrofitByGetCall(@Query("q") String owner, @Query("since") String time, @Query("page") int page, @Query("per_page") int per_Page); @GET("search/repositories")
Call<RetrofitBean> queryRetrofitByGetCallMap(@QueryMap Map<String, String> map); @GET("repos/{owner}/{repo}/contributors")
Observable<List<Contributor>> contributorsByRxJava(@Path("owner") String owner, @Path("repo") String repo); @GET("users/{user}")
Observable<User> userByRxJava(@Path("user") String user); @GET("/mobilesafe/shouji360/360safesis/360MobileSafe_6.2.3.1060.apk")
Call<ResponseBody> retrofitDownload();
}
27
27
 
1
public interface GitHubApi {
2
    
3
    @GET("repos/{owner}/{repo}/contributors")
4
    Call<ResponseBody> contributorsBySimpleGetCall(@Path("owner") String owner, @Path("repo") String repo);
5
    
6
    @GET("repos/{owner}/{repo}/contributors")
7
    Call<List<Contributor>> contributorsByAddConverterGetCall(@Path("owner") String owner, @Path("repo") String repo);
8
    
9
    @Headers({"Accept: application/vnd.github.v3.full+json", "User-Agent: RetrofitBean-Sample-App", "name:ljd"})
10
    @GET("repos/{owner}/{repo}/contributors")
11
    Call<List<Contributor>> contributorsAndAddHeader(@Path("owner") String owner, @Path("repo") String repo);
12
    
13
    @GET("search/repositories")
14
    Call<RetrofitBean> queryRetrofitByGetCall(@Query("q") String owner, @Query("since") String time, @Query("page") int page, @Query("per_page") int per_Page);
15
    
16
    @GET("search/repositories")
17
    Call<RetrofitBean> queryRetrofitByGetCallMap(@QueryMap Map<String, String> map);
18
    
19
    @GET("repos/{owner}/{repo}/contributors")
20
    Observable<List<Contributor>> contributorsByRxJava(@Path("owner") String owner, @Path("repo") String repo);
21
    
22
    @GET("users/{user}")
23
    Observable<User> userByRxJava(@Path("user") String user);
24
    
25
    @GET("/mobilesafe/shouji360/360safesis/360MobileSafe_6.2.3.1060.apk")
26
    Call<ResponseBody> retrofitDownload();
27
}

MainActivity

public class MainActivity extends ListActivity {
private TextView tv;
private static final String baseUrl = "https://api.github.com/";
private static final String mUserName = "square";//哪个公司【square】
private static final String mRepo = "retrofit";//哪个项目【retrofit】
private CompositeSubscription mSubscriptions = new CompositeSubscription(); protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
String[] array = {"1、简单完整演示retrofit的使用",
"2、添加Gson转换器",
"3、添加okHttp的日志拦截器Interceptor",
"4、使用自己封装的API,演示@Headers",
"5、演示同步请求",
"6、演示@Query",
"7、演示@QueryMap",
"8、最简单、完整的retrofit+rxJava示例",
"9、rxJava+retrofit增强",
"10、演示文件下载",};
tv = new TextView(this);// 将内容显示在TextView中
tv.setTextColor(Color.BLUE);
getListView().addFooterView(tv);
setListAdapter(new ArrayAdapter<>(this, android.R.layout.simple_list_item_1, new ArrayList<>(Arrays.asList(array))));
} @Override
protected void onDestroy() {
if (mSubscriptions != null) mSubscriptions.unsubscribe();
super.onDestroy();
} @Override
protected void onListItemClick(ListView l, View v, int position, long id) {
switch (position + 1) {
case 1://简单完整演示retrofit的使用
requestGitHubContributorsSimple();
break;
case 2://添加Gson转换器
requestGitHubContributorsByConverter();
break;
case 3://添加okHttp的日志拦截器Interceptor
requestGitHubContributorsAddOkHttpLog();
break;
case 4://使用自己封装的API,演示@Headers
requestGitHubContributorsAddHeader();
break;
case 5://演示同步请求
requestGitHubContributorsBySync();
break;
case 6://演示@Query
requestQueryRetrofitByGet(false);
break;
case 7://演示@QueryMap
requestQueryRetrofitByGet(true);
break;
case 8://最简单、完整的retrofit+rxJava示例
requestGitHubContributorsByRxJava();
break;
case 9://rxJava+retrofit增强
requestGitHubContributorsWithFullUserInfo();
break;
case 10://演示文件下载
retrofitDownload();
break;
}
} /**
* 1、简单示例
*/
private void requestGitHubContributorsSimple() {
Retrofit retrofit = new Retrofit.Builder()
.baseUrl(baseUrl)
.build();
GitHubApi repo = retrofit.create(GitHubApi.class);
Call<ResponseBody> call = repo.contributorsBySimpleGetCall(mUserName, mRepo);
call.enqueue(new Callback<ResponseBody>() {
@Override
public void onResponse(@NonNull Call<ResponseBody> call, @NonNull Response<ResponseBody> response) {
String result = null;
try {
result = response.body().string();
if (result == null) return;
} catch (IOException e) {
e.printStackTrace();
}
tv.setText("GitHub上对项目的贡献-1:\n");
ArrayList<Contributor> list = new Gson()
.fromJson(result, new TypeToken<List<Contributor>>() {
}.getType());
if (list == null || list.size() == 0) return;
for (Contributor contributor : list) {
tv.append(contributor.login + " " + contributor.contributions + "\n");
}
} @Override
public void onFailure(@NonNull Call<ResponseBody> call, @NonNull Throwable t) {
Toast.makeText(MainActivity.this, t.getMessage(), Toast.LENGTH_SHORT).show();
}
});
} /**
* 2、添加Gson转换器
*/
private void requestGitHubContributorsByConverter() {
new Retrofit.Builder()
.baseUrl(baseUrl)
.addConverterFactory(GsonConverterFactory.create())//转换器
.build()
.create(GitHubApi.class)
.contributorsByAddConverterGetCall(mUserName, mRepo)
.enqueue(new Callback<List<Contributor>>() {
@Override
public void onResponse(@NonNull Call<List<Contributor>> call, @NonNull Response<List<Contributor>> response) {
List<Contributor> list = response.body();
tv.setText("GitHub上对项目的贡献-2:\n");
if (list == null || list.size() == 0) return;
for (Contributor contributor : list) {
tv.append(contributor.login + " " + contributor.contributions + "\n");
}
} @Override
public void onFailure(@NonNull Call<List<Contributor>> call, @NonNull Throwable t) {
Toast.makeText(MainActivity.this, t.getMessage(), Toast.LENGTH_SHORT).show();
}
});
} /**
* 3、添加okHttp的日志拦截器Interceptor
*/
private void requestGitHubContributorsAddOkHttpLog() {
HttpLoggingInterceptor logInterceptor = new HttpLoggingInterceptor().setLevel(HttpLoggingInterceptor.Level.BODY); Retrofit retrofit = new Retrofit.Builder()
.addCallAdapterFactory(RxJavaCallAdapterFactory.create())
.client(new OkHttpClient.Builder().addInterceptor(logInterceptor).build())
.baseUrl(baseUrl)
.addConverterFactory(GsonConverterFactory.create())
.build(); retrofit.create(GitHubApi.class)
.contributorsByAddConverterGetCall(mUserName, mRepo)
.enqueue(new Callback<List<Contributor>>() {
@Override
public void onResponse(@NonNull Call<List<Contributor>> call, @NonNull Response<List<com.bqt
.retrofit.bean.Contributor>> response) {
List<Contributor> list = response.body();
tv.setText("GitHub上对项目的贡献-3:\n");
if (list == null || list.size() == 0) return;
for (Contributor contributor : list) {
tv.append(contributor.login + " " + contributor.contributions + "\n");
}
} @Override
public void onFailure(@NonNull Call<List<Contributor>> call, @NonNull Throwable t) {
Toast.makeText(MainActivity.this, t.getMessage(), Toast.LENGTH_SHORT).show();
}
});
} /**
* 4、使用自己封装的API,演示@Headers
*/
private void requestGitHubContributorsAddHeader() {
createRetrofitService(GitHubApi.class)
.contributorsAndAddHeader(mUserName, mRepo)
.enqueue(new Callback<List<Contributor>>() {
@Override
public void onResponse(@NonNull Call<List<Contributor>> call, @NonNull Response<List<com.bqt
.retrofit.bean.Contributor>> response) {
List<Contributor> list = response.body();
tv.setText("GitHub上对项目的贡献-4:\n");
if (list == null || list.size() == 0) return;
for (Contributor contributor : list) {
tv.append(contributor.login + " " + contributor.contributions + "\n");
}
} @Override
public void onFailure(@NonNull Call<List<Contributor>> call, @NonNull Throwable t) {
}
});
} /**
* 5、演示同步请求
*/
private void requestGitHubContributorsBySync() {
final Call<List<Contributor>> call = createRetrofitService(GitHubApi.class)
.contributorsByAddConverterGetCall(mUserName, mRepo);
new Thread(() -> {
try {
Response<List<Contributor>> response = call.execute();//在子线程中请求网络
final List<Contributor> list = response.body();
runOnUiThread(() -> {
tv.setText("GitHub上对项目的贡献-5:\n");
for (Contributor contributor : list) {
tv.append(contributor.login + " " + contributor.contributions + "\n");
}
});
} catch (IOException e) {
e.printStackTrace();
}
}).start();
} /**
* 6/7、演示@Query和@QueryMap
*/
private void requestQueryRetrofitByGet(boolean isQueryMap) {
GitHubApi mGitHubService = createRetrofitService(GitHubApi.class);
Call<RetrofitBean> call;
if (!isQueryMap) call = mGitHubService.queryRetrofitByGetCall("retrofit", "2016-03-29", 1, 3);
else {
Map<String, String> queryMap = new HashMap<>();
queryMap.put("q", "retrofit");
queryMap.put("since", "2016-03-29");
queryMap.put("page", "1");
queryMap.put("per_page", "3");
call = mGitHubService.queryRetrofitByGetCallMap(queryMap);
} call.enqueue(new Callback<RetrofitBean>() {
@Override
public void onResponse(@NonNull Call<RetrofitBean> call, @NonNull Response<RetrofitBean> response) {
RetrofitBean retrofitBean = response.body();
if (retrofitBean == null) return;
List<Item> list = retrofitBean.getItems();
if (list == null || list.size() == 0) return; tv.setText(new SimpleDateFormat("yyyy.MM.dd HH:mm:ss SSS", Locale.getDefault()).format(new Date()));
tv.append("\ntotal:" + retrofitBean.getTotalCount() + "\nincompleteResults:" + retrofitBean.getIncompleteResults());
for (Item item : list) {
tv.append("\n\n【name】" + item.name);
tv.append("\n【full_name】" + item.full_name);
tv.append("\n【 description】" + item.description);
}
} @Override
public void onFailure(@NonNull Call<RetrofitBean> call, @NonNull Throwable t) {
}
});
} /**
* 8、最简单、完整的retrofit+rxJava示例
*/
private void requestGitHubContributorsByRxJava() {
createRetrofitService(GitHubApi.class)
.contributorsByRxJava(mUserName, mRepo)//
.subscribeOn(Schedulers.io())//
.observeOn(AndroidSchedulers.mainThread())//
.subscribe(new Observer<List<Contributor>>() {
@Override
public void onCompleted() {
Toast.makeText(MainActivity.this, "完成", Toast.LENGTH_SHORT).show();
} @Override
public void onError(Throwable e) {
Toast.makeText(MainActivity.this, e.getMessage(), Toast.LENGTH_SHORT).show();
} @Override
public void onNext(List<Contributor> list) {
tv.setText("GitHub上对项目的贡献-8:\n");
for (Contributor contributor : list) {
tv.append(contributor.login + " " + contributor.contributions + "\n");
}
}
});
} /**
* 9、rxJava+retrofit增强
*/
private void requestGitHubContributorsWithFullUserInfo() {
tv.setText("");
final GitHubApi mGitHubService = createRetrofitService(GitHubApi.class); Subscription subscription =
mGitHubService.contributorsByRxJava(mUserName, mRepo)//
.flatMap(new Func1<List<Contributor>, Observable<Contributor>>() {
//变换:将事件序列中的对象或整个序列进行加工处理,转换成不同的事件或事件序列
@Override
public Observable<Contributor> call(List<Contributor>
contributors) {
//1、使用传入的事件对象创建一个 Observable 对象;
//2、并不发送这个 Observable,而是将它激活,于是它开始发送事件;
//3、创建的 Observable 发送的事件,都被汇入同一个 Observable,而这个 Observable 负责将这些事件统一交给Subscriber 的回调方法
return Observable.from(contributors);
}
})
.flatMap(new Func1<Contributor, Observable<Pair<User, Contributor>>>() {
@Override
public Observable<Pair<User, Contributor>> call(com.bqt
.retrofit.bean.Contributor contributor) {
Observable<User> userObservable = mGitHubService.userByRxJava(contributor.login)
.filter(user -> !isEmpty(user.name) && !isEmpty(user.email));
return Observable.zip(userObservable, Observable.just(contributor), Pair::new);
}
})
.subscribeOn(Schedulers.newThread())//指定 subscribe() 发生在哪个线程,后台线程取数据,主线程显示
.observeOn(AndroidSchedulers.mainThread())//指定 Subscriber 的回调发生在主线程
.subscribe(new Observer<Pair<User, Contributor>>() {
@Override
public void onCompleted() {
Toast.makeText(MainActivity.this, "完成", Toast.LENGTH_SHORT).show();
} @Override
public void onError(Throwable e) {
Toast.makeText(MainActivity.this, e.getMessage(), Toast.LENGTH_SHORT).show();
} @Override
public void onNext(Pair<User, Contributor> pair) {
User user = pair.first;
Contributor contributor = pair.second;
tv.append("name:" + user.name + "\ncontributions:" + contributor.contributions + "\nEmail:" + user.email + "\n\n");
}
});
mSubscriptions.add(subscription);
} /**
* 10、演示文件下载
*/
public void retrofitDownload() {
//监听下载进度
final ProgressDialog dialog = new ProgressDialog(this);
dialog.setProgressNumberFormat("%1d KB/%2d KB");
dialog.setTitle("下载");
dialog.setMessage("正在下载,请稍后...");
dialog.setProgressStyle(ProgressDialog.STYLE_HORIZONTAL);
dialog.setCancelable(false);
dialog.show(); ProgressHelper.setProgressHandler(new DownloadProgressHandler() {
@Override
protected void onProgress(long bytesRead, long contentLength, boolean done) {
//在主线程中运行
dialog.setMax((int) (contentLength / 1024));
dialog.setProgress((int) (bytesRead / 1024));
if (done) dialog.dismiss();
}
}); Retrofit retrofit = new Retrofit.Builder()//
.addCallAdapterFactory(RxJavaCallAdapterFactory.create())//
.addConverterFactory(GsonConverterFactory.create())//
.baseUrl("http://msoftdl.360.cn")
.client(ProgressHelper.addProgress(null).build())
.build(); retrofit.create(GitHubApi.class).retrofitDownload()
.enqueue(new Callback<ResponseBody>() {
@Override
public void onResponse(@NonNull Call<ResponseBody> call, @NonNull Response<ResponseBody> response) {
try {
InputStream is = response.body().byteStream();
File file = new File(Environment.getExternalStorageDirectory(), "12345.apk");
FileOutputStream fos = new FileOutputStream(file);
BufferedInputStream bis = new BufferedInputStream(is);
byte[] buffer = new byte[1024];
int len;
while ((len = bis.read(buffer)) != -1) {
fos.write(buffer, 0, len);
fos.flush();
}
fos.close();
bis.close();
is.close();
} catch (IOException e) {
e.printStackTrace();
}
} @Override
public void onFailure(@NonNull Call<ResponseBody> call, @NonNull Throwable t) {
}
});
} public static <T> T createRetrofitService(final Class<T> service) {
HttpLoggingInterceptor httpLoggingInterceptor = new HttpLoggingInterceptor()
.setLevel(HttpLoggingInterceptor.Level.BODY);
OkHttpClient.Builder builder = new OkHttpClient.Builder().addInterceptor(httpLoggingInterceptor);
Retrofit retrofit = new Retrofit.Builder()//
.client(ProgressHelper.addProgress(builder).build())//
.addCallAdapterFactory(RxJavaCallAdapterFactory.create())//
.addConverterFactory(GsonConverterFactory.create())//
.baseUrl("https://api.github.com/")//
.build();
return retrofit.create(service);
}
}
403
403
 
1
public class MainActivity extends ListActivity {
2
    private TextView tv;
3
    private static final String baseUrl = "https://api.github.com/";
4
    private static final String mUserName = "square";//哪个公司【square】
5
    private static final String mRepo = "retrofit";//哪个项目【retrofit】
6
    private CompositeSubscription mSubscriptions = new CompositeSubscription();
7
    
8
    protected void onCreate(Bundle savedInstanceState) {
9
        super.onCreate(savedInstanceState);
10
        String[] array = {"1、简单完整演示retrofit的使用",
11
                "2、添加Gson转换器",
12
                "3、添加okHttp的日志拦截器Interceptor",
13
                "4、使用自己封装的API,演示@Headers",
14
                "5、演示同步请求",
15
                "6、演示@Query",
16
                "7、演示@QueryMap",
17
                "8、最简单、完整的retrofit+rxJava示例",
18
                "9、rxJava+retrofit增强",
19
                "10、演示文件下载",};
20
        tv = new TextView(this);// 将内容显示在TextView中
21
        tv.setTextColor(Color.BLUE);
22
        getListView().addFooterView(tv);
23
        setListAdapter(new ArrayAdapter<>(this, android.R.layout.simple_list_item_1, new ArrayList<>(Arrays.asList(array))));
24
    }
25
    
26
    @Override
27
    protected void onDestroy() {
28
        if (mSubscriptions != null) mSubscriptions.unsubscribe();
29
        super.onDestroy();
30
    }
31
    
32
    @Override
33
    protected void onListItemClick(ListView l, View v, int position, long id) {
34
        switch (position + 1) {
35
            case 1://简单完整演示retrofit的使用
36
                requestGitHubContributorsSimple();
37
                break;
38
            case 2://添加Gson转换器
39
                requestGitHubContributorsByConverter();
40
                break;
41
            case 3://添加okHttp的日志拦截器Interceptor
42
                requestGitHubContributorsAddOkHttpLog();
43
                break;
44
            case 4://使用自己封装的API,演示@Headers
45
                requestGitHubContributorsAddHeader();
46
                break;
47
            case 5://演示同步请求
48
                requestGitHubContributorsBySync();
49
                break;
50
            case 6://演示@Query
51
                requestQueryRetrofitByGet(false);
52
                break;
53
            case 7://演示@QueryMap
54
                requestQueryRetrofitByGet(true);
55
                break;
56
            case 8://最简单、完整的retrofit+rxJava示例
57
                requestGitHubContributorsByRxJava();
58
                break;
59
            case 9://rxJava+retrofit增强
60
                requestGitHubContributorsWithFullUserInfo();
61
                break;
62
            case 10://演示文件下载
63
                retrofitDownload();
64
                break;
65
        }
66
    }
67
    
68
    /**
69
     * 1、简单示例
70
     */
71
    private void requestGitHubContributorsSimple() {
72
        Retrofit retrofit = new Retrofit.Builder()
73
                .baseUrl(baseUrl)
74
                .build();
75
        GitHubApi repo = retrofit.create(GitHubApi.class);
76
        Call<ResponseBody> call = repo.contributorsBySimpleGetCall(mUserName, mRepo);
77
        call.enqueue(new Callback<ResponseBody>() {
78
            @Override
79
            public void onResponse(@NonNull Call<ResponseBody> call, @NonNull Response<ResponseBody> response) {
80
                String result = null;
81
                try {
82
                    result = response.body().string();
83
                    if (result == null) return;
84
                } catch (IOException e) {
85
                    e.printStackTrace();
86
                }
87
                tv.setText("GitHub上对项目的贡献-1:\n");
88
                ArrayList<Contributor> list = new Gson()
89
                        .fromJson(result, new TypeToken<List<Contributor>>() {
90
                        }.getType());
91
                if (list == null || list.size() == 0) return;
92
                for (Contributor contributor : list) {
93
                    tv.append(contributor.login + "    " + contributor.contributions + "\n");
94
                }
95
            }
96
            
97
            @Override
98
            public void onFailure(@NonNull Call<ResponseBody> call, @NonNull Throwable t) {
99
                Toast.makeText(MainActivity.this, t.getMessage(), Toast.LENGTH_SHORT).show();
100
            }
101
        });
102
    }
103
    
104
    /**
105
     * 2、添加Gson转换器
106
     */
107
    private void requestGitHubContributorsByConverter() {
108
        new Retrofit.Builder()
109
                .baseUrl(baseUrl)
110
                .addConverterFactory(GsonConverterFactory.create())//转换器
111
                .build()
112
                .create(GitHubApi.class)
113
                .contributorsByAddConverterGetCall(mUserName, mRepo)
114
                .enqueue(new Callback<List<Contributor>>() {
115
                    @Override
116
                    public void onResponse(@NonNull Call<List<Contributor>> call, @NonNull Response<List<Contributor>> response) {
117
                        List<Contributor> list = response.body();
118
                        tv.setText("GitHub上对项目的贡献-2:\n");
119
                        if (list == null || list.size() == 0) return;
120
                        for (Contributor contributor : list) {
121
                            tv.append(contributor.login + "    " + contributor.contributions + "\n");
122
                        }
123
                    }
124
                    
125
                    @Override
126
                    public void onFailure(@NonNull Call<List<Contributor>> call, @NonNull Throwable t) {
127
                        Toast.makeText(MainActivity.this, t.getMessage(), Toast.LENGTH_SHORT).show();
128
                    }
129
                });
130
    }
131
    
132
    /**
133
     * 3、添加okHttp的日志拦截器Interceptor
134
     */
135
    private void requestGitHubContributorsAddOkHttpLog() {
136
        HttpLoggingInterceptor logInterceptor = new HttpLoggingInterceptor().setLevel(HttpLoggingInterceptor.Level.BODY);
137
        
138
        Retrofit retrofit = new Retrofit.Builder()
139
                .addCallAdapterFactory(RxJavaCallAdapterFactory.create())
140
                .client(new OkHttpClient.Builder().addInterceptor(logInterceptor).build())
141
                .baseUrl(baseUrl)
142
                .addConverterFactory(GsonConverterFactory.create())
143
                .build();
144
        
145
        retrofit.create(GitHubApi.class)
146
                .contributorsByAddConverterGetCall(mUserName, mRepo)
147
                .enqueue(new Callback<List<Contributor>>() {
148
                    @Override
149
                    public void onResponse(@NonNull Call<List<Contributor>> call, @NonNull Response<List<com.bqt
150
                            .retrofit.bean.Contributor>> response) {
151
                        List<Contributor> list = response.body();
152
                        tv.setText("GitHub上对项目的贡献-3:\n");
153
                        if (list == null || list.size() == 0) return;
154
                        for (Contributor contributor : list) {
155
                            tv.append(contributor.login + "    " + contributor.contributions + "\n");
156
                        }
157
                    }
158
                    
159
                    @Override
160
                    public void onFailure(@NonNull Call<List<Contributor>> call, @NonNull Throwable t) {
161
                        Toast.makeText(MainActivity.this, t.getMessage(), Toast.LENGTH_SHORT).show();
162
                    }
163
                });
164
    }
165
    
166
    /**
167
     * 4、使用自己封装的API,演示@Headers
168
     */
169
    private void requestGitHubContributorsAddHeader() {
170
        createRetrofitService(GitHubApi.class)
171
                .contributorsAndAddHeader(mUserName, mRepo)
172
                .enqueue(new Callback<List<Contributor>>() {
173
                    @Override
174
                    public void onResponse(@NonNull Call<List<Contributor>> call, @NonNull Response<List<com.bqt
175
                            .retrofit.bean.Contributor>> response) {
176
                        List<Contributor> list = response.body();
177
                        tv.setText("GitHub上对项目的贡献-4:\n");
178
                        if (list == null || list.size() == 0) return;
179
                        for (Contributor contributor : list) {
180
                            tv.append(contributor.login + "    " + contributor.contributions + "\n");
181
                        }
182
                    }
183
                    
184
                    @Override
185
                    public void onFailure(@NonNull Call<List<Contributor>> call, @NonNull Throwable t) {
186
                    }
187
                });
188
    }
189
    
190
    /**
191
     * 5、演示同步请求
192
     */
193
    private void requestGitHubContributorsBySync() {
194
        final Call<List<Contributor>> call = createRetrofitService(GitHubApi.class)
195
                .contributorsByAddConverterGetCall(mUserName, mRepo);
196
        new Thread(() -> {
197
            try {
198
                Response<List<Contributor>> response = call.execute();//在子线程中请求网络
199
                final List<Contributor> list = response.body();
200
                runOnUiThread(() -> {
201
                    tv.setText("GitHub上对项目的贡献-5:\n");
202
                    for (Contributor contributor : list) {
203
                        tv.append(contributor.login + "    " + contributor.contributions + "\n");
204
                    }
205
                });
206
            } catch (IOException e) {
207
                e.printStackTrace();
208
            }
209
        }).start();
210
    }
211
    
212
    /**
213
     * 6/7、演示@Query和@QueryMap
214
     */
215
    private void requestQueryRetrofitByGet(boolean isQueryMap) {
216
        GitHubApi mGitHubService = createRetrofitService(GitHubApi.class);
217
        Call<RetrofitBean> call;
218
        if (!isQueryMap) call = mGitHubService.queryRetrofitByGetCall("retrofit", "2016-03-29", 1, 3);
219
        else {
220
            Map<String, String> queryMap = new HashMap<>();
221
            queryMap.put("q", "retrofit");
222
            queryMap.put("since", "2016-03-29");
223
            queryMap.put("page", "1");
224
            queryMap.put("per_page", "3");
225
            call = mGitHubService.queryRetrofitByGetCallMap(queryMap);
226
        }
227
        
228
        call.enqueue(new Callback<RetrofitBean>() {
229
            @Override
230
            public void onResponse(@NonNull Call<RetrofitBean> call, @NonNull Response<RetrofitBean> response) {
231
                RetrofitBean retrofitBean = response.body();
232
                if (retrofitBean == null) return;
233
                List<Item> list = retrofitBean.getItems();
234
                if (list == null || list.size() == 0) return;
235
                
236
                tv.setText(new SimpleDateFormat("yyyy.MM.dd HH:mm:ss SSS", Locale.getDefault()).format(new Date()));
237
                tv.append("\ntotal:" + retrofitBean.getTotalCount() + "\nincompleteResults:" + retrofitBean.getIncompleteResults());
238
                for (Item item : list) {
239
                    tv.append("\n\n【name】" + item.name);
240
                    tv.append("\n【full_name】" + item.full_name);
241
                    tv.append("\n【 description】" + item.description);
242
                }
243
            }
244
            
245
            @Override
246
            public void onFailure(@NonNull Call<RetrofitBean> call, @NonNull Throwable t) {
247
            }
248
        });
249
    }
250
    
251
    /**
252
     * 8、最简单、完整的retrofit+rxJava示例
253
     */
254
    private void requestGitHubContributorsByRxJava() {
255
        createRetrofitService(GitHubApi.class)
256
                .contributorsByRxJava(mUserName, mRepo)//
257
                .subscribeOn(Schedulers.io())//
258
                .observeOn(AndroidSchedulers.mainThread())//
259
                .subscribe(new Observer<List<Contributor>>() {
260
                    @Override
261
                    public void onCompleted() {
262
                        Toast.makeText(MainActivity.this, "完成", Toast.LENGTH_SHORT).show();
263
                    }
264
                    
265
                    @Override
266
                    public void onError(Throwable e) {
267
                        Toast.makeText(MainActivity.this, e.getMessage(), Toast.LENGTH_SHORT).show();
268
                    }
269
                    
270
                    @Override
271
                    public void onNext(List<Contributor> list) {
272
                        tv.setText("GitHub上对项目的贡献-8:\n");
273
                        for (Contributor contributor : list) {
274
                            tv.append(contributor.login + "    " + contributor.contributions + "\n");
275
                        }
276
                    }
277
                });
278
    }
279
    
280
    /**
281
     * 9、rxJava+retrofit增强
282
     */
283
    private void requestGitHubContributorsWithFullUserInfo() {
284
        tv.setText("");
285
        final GitHubApi mGitHubService = createRetrofitService(GitHubApi.class);
286
        
287
        Subscription subscription =
288
                mGitHubService.contributorsByRxJava(mUserName, mRepo)//
289
                        .flatMap(new Func1<List<Contributor>, Observable<Contributor>>() {
290
                            //变换:将事件序列中的对象或整个序列进行加工处理,转换成不同的事件或事件序列
291
                            @Override
292
                            public Observable<Contributor> call(List<Contributor>
293
                                                                        contributors) {
294
                                //1、使用传入的事件对象创建一个 Observable 对象;
295
                                //2、并不发送这个 Observable,而是将它激活,于是它开始发送事件;
296
                                //3、创建的 Observable 发送的事件,都被汇入同一个 Observable,而这个 Observable 负责将这些事件统一交给Subscriber 的回调方法
297
                                return Observable.from(contributors);
298
                            }
299
                        })
300
                        .flatMap(new Func1<Contributor, Observable<Pair<User, Contributor>>>() {
301
                            @Override
302
                            public Observable<Pair<User, Contributor>> call(com.bqt
303
                                                                                    .retrofit.bean.Contributor contributor) {
304
                                Observable<User> userObservable = mGitHubService.userByRxJava(contributor.login)
305
                                        .filter(user -> !isEmpty(user.name) && !isEmpty(user.email));
306
                                return Observable.zip(userObservable, Observable.just(contributor), Pair::new);
307
                            }
308
                        })
309
                        .subscribeOn(Schedulers.newThread())//指定 subscribe() 发生在哪个线程,后台线程取数据,主线程显示
310
                        .observeOn(AndroidSchedulers.mainThread())//指定 Subscriber 的回调发生在主线程
311
                        .subscribe(new Observer<Pair<User, Contributor>>() {
312
                            @Override
313
                            public void onCompleted() {
314
                                Toast.makeText(MainActivity.this, "完成", Toast.LENGTH_SHORT).show();
315
                            }
316
                            
317
                            @Override
318
                            public void onError(Throwable e) {
319
                                Toast.makeText(MainActivity.this, e.getMessage(), Toast.LENGTH_SHORT).show();
320
                            }
321
                            
322
                            @Override
323
                            public void onNext(Pair<User, Contributor> pair) {
324
                                User user = pair.first;
325
                                Contributor contributor = pair.second;
326
                                tv.append("name:" + user.name + "\ncontributions:" + contributor.contributions + "\nEmail:" + user.email + "\n\n");
327
                            }
328
                        });
329
        mSubscriptions.add(subscription);
330
    }
331
    
332
    /**
333
     * 10、演示文件下载
334
     */
335
    public void retrofitDownload() {
336
        //监听下载进度
337
        final ProgressDialog dialog = new ProgressDialog(this);
338
        dialog.setProgressNumberFormat("%1d KB/%2d KB");
339
        dialog.setTitle("下载");
340
        dialog.setMessage("正在下载,请稍后...");
341
        dialog.setProgressStyle(ProgressDialog.STYLE_HORIZONTAL);
342
        dialog.setCancelable(false);
343
        dialog.show();
344
        
345
        ProgressHelper.setProgressHandler(new DownloadProgressHandler() {
346
            @Override
347
            protected void onProgress(long bytesRead, long contentLength, boolean done) {
348
                //在主线程中运行
349
                dialog.setMax((int) (contentLength / 1024));
350
                dialog.setProgress((int) (bytesRead / 1024));
351
                if (done) dialog.dismiss();
352
            }
353
        });
354
        
355
        Retrofit retrofit = new Retrofit.Builder()//
356
                .addCallAdapterFactory(RxJavaCallAdapterFactory.create())//
357
                .addConverterFactory(GsonConverterFactory.create())//
358
                .baseUrl("http://msoftdl.360.cn")
359
                .client(ProgressHelper.addProgress(null).build())
360
                .build();
361
        
362
        retrofit.create(GitHubApi.class).retrofitDownload()
363
                .enqueue(new Callback<ResponseBody>() {
364
                    @Override
365
                    public void onResponse(@NonNull Call<ResponseBody> call, @NonNull Response<ResponseBody> response) {
366
                        try {
367
                            InputStream is = response.body().byteStream();
368
                            File file = new File(Environment.getExternalStorageDirectory(), "12345.apk");
369
                            FileOutputStream fos = new FileOutputStream(file);
370
                            BufferedInputStream bis = new BufferedInputStream(is);
371
                            byte[] buffer = new byte[1024];
372
                            int len;
373
                            while ((len = bis.read(buffer)) != -1) {
374
                                fos.write(buffer, 0, len);
375
                                fos.flush();
376
                            }
377
                            fos.close();
378
                            bis.close();
379
                            is.close();
380
                        } catch (IOException e) {
381
                            e.printStackTrace();
382
                        }
383
                    }
384
                    
385
                    @Override
386
                    public void onFailure(@NonNull Call<ResponseBody> call, @NonNull Throwable t) {
387
                    }
388
                });
389
    }
390
    
391
    public static <T> T createRetrofitService(final Class<T> service) {
392
        HttpLoggingInterceptor httpLoggingInterceptor = new HttpLoggingInterceptor()
393
            .setLevel(HttpLoggingInterceptor.Level.BODY);
394
        OkHttpClient.Builder builder = new OkHttpClient.Builder().addInterceptor(httpLoggingInterceptor);
395
        Retrofit retrofit = new Retrofit.Builder()//
396
                .client(ProgressHelper.addProgress(builder).build())//
397
                .addCallAdapterFactory(RxJavaCallAdapterFactory.create())//
398
                .addConverterFactory(GsonConverterFactory.create())//
399
                .baseUrl("https://api.github.com/")//
400
                .build();
401
        return retrofit.create(service);
402
    }
403
}

综合配置

retrofit、okhttp、RxJava、Gson、拦截器、Header等配置
public class H {
private static Interceptor buildInterceptor() {
final String token = AccountManager.getInstance().getToken();
PackageInfo packInfo = null;
try {
packInfo = App.app.getPackageManager().getPackageInfo(App.app.getPackageName(), 0);
} catch (PackageManager.NameNotFoundException e) {
e.printStackTrace();
}
final int version = packInfo == null ? 1 : packInfo.versionCode;
return new Interceptor() {//应用程序拦截器,只被调用一次
@Override
public okhttp3.Response intercept(Chain chain) throws IOException {
Request request = chain.request()
.newBuilder()
.addHeader("Content-Type", "application/x-www-form-urlencoded; charset=UTF-8")
.addHeader("Accept-Encoding", "gzip, deflate")
.addHeader("Connection", "keep-alive")
.addHeader("Accept", "*/*")
//****************************************自定义Header**************************************************
.addHeader("version", version + "")//app版本号
.addHeader("token", token == null ? "" : token)//登录后返回的token
.addHeader("mobile", "1")// 0-PC,1-Android,2-IOS,3-web
.build();
return chain.proceed(request);
}
};
} private static Interceptor buildLogInterceptor() {
return new HttpLoggingInterceptor(new HttpLoggingInterceptor.Logger() {
@Override
public void log(String message) {
L.i(message);
}
}).setLevel(HttpLoggingInterceptor.Level.BODY);//日志显示级别
} private static OkHttpClient buildOkHttp() {
return new OkHttpClient.Builder()
.addInterceptor(buildHeaderInterceptor())//自定义Header
.addInterceptor(buildLogInterceptor())//日志拦截
.connectTimeout(5, TimeUnit.SECONDS)
.build();
} private static Gson buildGson() {
return new GsonBuilder()//配置你的Gson
.setDateFormat("yyyy-MM-dd hh:mm:ss")
.setPrettyPrinting()
.serializeNulls()
.create();
} private static String buildBaseUrl() {
switch (UrlHelper.getEnv()) {
case 0: // baseUlr 必须以 / 结束,不然会抛出一个IllegalArgumentException
return "http://test.talk.99cj.com.cn/";
case 1:
return "http://wechat.99cj.com.cn/";
default:
return "http://wechat.99cj.com.cn/";
}
} private static Retrofit buildRetrofit(OkHttpClient client, Converter.Factory converterFactory, CallAdapter.Factory callAdapterFactory) {
return new Retrofit.Builder()
.baseUrl(buildBaseUrl())
.client(client)
.addConverterFactory(converterFactory)//可以接收自定义的Gson,当然也可以不传
.addCallAdapterFactory(callAdapterFactory)
.build();
} private static <T> T createRetrofitService(final Class<T> service) {
Retrofit retrofit = buildRetrofit(buildOkHttp(), //
GsonConverterFactory.create(buildGson()),//
RxJavaCallAdapterFactory.create());//
return retrofit.create(service);
} public static BqtService h() {
return createRetrofitService(BqtService.class);
}
}
x
 
1
public class H {
2
    private static Interceptor buildInterceptor() {
3
        final String token = AccountManager.getInstance().getToken();
4
        PackageInfo packInfo = null;
5
        try {
6
            packInfo = App.app.getPackageManager().getPackageInfo(App.app.getPackageName(), 0);
7
        } catch (PackageManager.NameNotFoundException e) {
8
            e.printStackTrace();
9
        }
10
        final int version = packInfo == null ? 1 : packInfo.versionCode;
11
        return new Interceptor() {//应用程序拦截器,只被调用一次
12
            @Override
13
            public okhttp3.Response intercept(Chain chain) throws IOException {
14
                Request request = chain.request()
15
                        .newBuilder()
16
                        .addHeader("Content-Type", "application/x-www-form-urlencoded; charset=UTF-8")
17
                        .addHeader("Accept-Encoding", "gzip, deflate")
18
                        .addHeader("Connection", "keep-alive")
19
                        .addHeader("Accept", "*/*")
20
                        //****************************************自定义Header**************************************************
21
                        .addHeader("version", version + "")//app版本号
22
                        .addHeader("token", token == null ? "" : token)//登录后返回的token
23
                        .addHeader("mobile", "1")// 0-PC,1-Android,2-IOS,3-web
24
                        .build();
25
                return chain.proceed(request);
26
            }
27
        };
28
    }
29
    
30
    private static Interceptor buildLogInterceptor() {
31
        return new HttpLoggingInterceptor(new HttpLoggingInterceptor.Logger() {
32
            @Override
33
            public void log(String message) {
34
                L.i(message);
35
            }
36
        }).setLevel(HttpLoggingInterceptor.Level.BODY);//日志显示级别
37
    }
38
    
39
    private static OkHttpClient buildOkHttp() {
40
        return new OkHttpClient.Builder()
41
                .addInterceptor(buildHeaderInterceptor())//自定义Header
42
                .addInterceptor(buildLogInterceptor())//日志拦截
43
                .connectTimeout(5, TimeUnit.SECONDS)
44
                .build();
45
    }
46
    
47
    private static Gson buildGson() {
48
        return new GsonBuilder()//配置你的Gson
49
                .setDateFormat("yyyy-MM-dd hh:mm:ss")
50
                .setPrettyPrinting()
51
                .serializeNulls()
52
                .create();
53
    }
54
    
55
    private static String buildBaseUrl() {
56
        switch (UrlHelper.getEnv()) {
57
            case 0: // baseUlr 必须以 / 结束,不然会抛出一个IllegalArgumentException
58
                return "http://test.talk.99cj.com.cn/";
59
            case 1:
60
                return "http://wechat.99cj.com.cn/";
61
            default:
62
                return "http://wechat.99cj.com.cn/";
63
        }
64
    }
65
    
66
    private static Retrofit buildRetrofit(OkHttpClient client, Converter.Factory converterFactory, CallAdapter.Factory callAdapterFactory) {
67
        return new Retrofit.Builder()
68
                .baseUrl(buildBaseUrl())
69
                .client(client)
70
                .addConverterFactory(converterFactory)//可以接收自定义的Gson,当然也可以不传
71
                .addCallAdapterFactory(callAdapterFactory)
72
                .build();
73
    }
74
    
75
    private static <T> T createRetrofitService(final Class<T> service) {
76
        Retrofit retrofit = buildRetrofit(buildOkHttp(), //
77
                GsonConverterFactory.create(buildGson()),//
78
                RxJavaCallAdapterFactory.create());//
79
        return retrofit.create(service);
80
    }
81
    
82
    public static BqtService h() {
83
        return createRetrofitService(BqtService.class);
84
    }
85
}
添加上述【HttpLoggingInterceptor】拦截器后会打印如下日志
请求参数封装
public interface BqtService {
/*个人中心*/ /* 如果注解中提供的url是完整的url(以http开头),则忽略baseUrl,直接讲此url将作为请求的url */
@GET("User") /* 如果不以/开头,则请求的url为baseUrl+注解中提供的值;否则请求的url为baseUrl的主机部分+注解中提供的值*/
Observable<BqtRes<User>> getUser(); /*用户购买记录*/
@FormUrlEncoded
@POST("BuyInfo/buyRecord") /*【type】1:购买课程 2:购买观点 3:直播赞赏*/
Observable<BqtRes<ArrayList<MyClassBean>>> getPurchaseHistory1(@Field("user_id") int uid, @Field("page") int page, @Field("type") int type);
}
x
10
 
1
public interface BqtService {
2
    /*个人中心*/  /* 如果注解中提供的url是完整的url(以http开头),则忽略baseUrl,直接讲此url将作为请求的url */
3
    @GET("User") /* 如果不以/开头,则请求的url为baseUrl+注解中提供的值;否则请求的url为baseUrl的主机部分+注解中提供的值*/
4
    Observable<BqtRes<User>> getUser();
5

6
    /*用户购买记录*/
7
    @FormUrlEncoded
8
    @POST("BuyInfo/buyRecord")  /*【type】1:购买课程 2:购买观点 3:直播赞赏*/
9
    Observable<BqtRes<ArrayList<MyClassBean>>> getPurchaseHistory1(@Field("user_id") int uid, @Field("page") int page, @Field("type") int type);
10
}
调用
H.h().getUser()
.subscribeOn(Schedulers.newThread())//指定 subscribe() 发生在哪个线程,后台线程取数据,主线程显示
.observeOn(AndroidSchedulers.mainThread())//指定 Subscriber 的回调发生在主线程
.subscribe(new Subscriber<BqtRes<User>>() {
@Override
public void onCompleted() {
} @Override
public void onError(Throwable e) {
L.i("【onError】" + e.toString());
} @Override
public void onNext(BqtRes<User> response) {
L.i("【onNext】" + response.data.toString());//这里response.data的类型即是User
}
});
18
 
1
H.h().getUser()
2
    .subscribeOn(Schedulers.newThread())//指定 subscribe() 发生在哪个线程,后台线程取数据,主线程显示
3
    .observeOn(AndroidSchedulers.mainThread())//指定 Subscriber 的回调发生在主线程
4
    .subscribe(new Subscriber<BqtRes<User>>() {
5
        @Override
6
        public void onCompleted() {
7
        }
8
        
9
        @Override
10
        public void onError(Throwable e) {
11
            L.i("【onError】" + e.toString());
12
        }
13
        
14
        @Override
15
        public void onNext(BqtRes<User> response) {
16
            L.i("【onNext】" + response.data.toString());//这里response.data的类型即是User
17
        }
18
    });
2017-9-22

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