使用RxJava和Retrofit库可以实现Android Rx中多个API请求非阻塞的解决方法。以下是一个示例代码:
dependencies {
implementation 'io.reactivex.rxjava2:rxjava:2.x.x'
implementation 'io.reactivex.rxjava2:rxandroid:2.x.x'
implementation 'com.squareup.retrofit2:retrofit:2.x.x'
implementation 'com.squareup.retrofit2:adapter-rxjava2:2.x.x'
}
public interface ApiService {
@GET("api1")
Observable getApi1Data();
@GET("api2")
Observable getApi2Data();
}
public class ApiResponse {
// 数据模型类的定义
}
public class DataManager {
private ApiService apiService;
public DataManager() {
Retrofit retrofit = new Retrofit.Builder()
.baseUrl("https://api.example.com/")
.addConverterFactory(GsonConverterFactory.create())
.addCallAdapterFactory(RxJava2CallAdapterFactory.create())
.build();
apiService = retrofit.create(ApiService.class);
}
public Observable getApi1Data() {
return apiService.getApi1Data();
}
public Observable getApi2Data() {
return apiService.getApi2Data();
}
}
public class MainActivity extends AppCompatActivity {
private DataManager dataManager;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
dataManager = new DataManager();
Observable.zip(
dataManager.getApi1Data(),
dataManager.getApi2Data(),
new BiFunction>() {
@Override
public Pair apply(ApiResponse apiResponse1, ApiResponse apiResponse2) {
return Pair.create(apiResponse1, apiResponse2);
}
})
.subscribeOn(Schedulers.io())
.observeOn(AndroidSchedulers.mainThread())
.subscribe(new Observer>() {
@Override
public void onSubscribe(Disposable d) {
// 订阅开始时的操作
}
@Override
public void onNext(Pair pair) {
ApiResponse apiResponse1 = pair.first;
ApiResponse apiResponse2 = pair.second;
// 处理收到的数据
}
@Override
public void onError(Throwable e) {
// 请求发生错误的操作
}
@Override
public void onComplete() {
// 订阅完成的操作
}
});
}
}
在上述代码中,我们使用Observable.zip()
方法将多个API请求合并为一个Observable,然后通过subscribeOn()
和observeOn()
指定了请求的线程和结果回调的线程。最后通过subscribe()
方法订阅这个Observable,实现了多个API请求的非阻塞操作。