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http2 doesn't seem to be working with OkHttp3 and retrofit2


http2 doesn't seem to be working with OkHttp3 and retrofit2

By : Ankit
Date : October 22 2020, 08:10 PM
wish help you to fix your issue I got it to working after rebuilding nginx. The code at the client side is fine.
The default nginx shipped with ubuntu 14.04 doesn't support http2 out of the box for google clients. It uses NPN and not ALPN. In order to support APLN we need to rebuild openssl and nginx.
code :
$ wget -c https://www.openssl.org/source/openssl-1.0.2h.tar.gz
$ tar xf openssl-1.0.2h.tar.gz -C /usr/local/
$ cd /usr/local/openssl-1.0.2h
$ ./config
$ make depend
$ make
$ make test
$ make install
$ mv /usr/bin/openssl /usr/bin/openssl_1.0.1e
$ ln -s /usr/local/ssl/bin/openssl /usr/bin/openssl
$ openssl version
OpenSSL 1.0.2h  3 May 2016
$ sudo apt-get install libpcre3-dev libssl-dev libxml2-dev libxslt-dev libgd-dev libgeoip-dev
$ wget http://nginx.org/download/nginx-1.14.2.tar.gz
$ tar -xvzf nginx-1.14.2.tar.gz 
$ cd nginx-1.14.2/
$ ./configure --prefix=/usr/share/nginx --sbin-path=/usr/sbin/nginx --conf-path=/etc/nginx/nginx.conf --lock-path=/var/lock/nginx.lock --pid-path=/run/nginx.pid --http-fastcgi-temp-path=/var/lib/nginx/fastcgi --with-debug --with-pcre-jit --with-ipv6 --with-http_ssl_module --with-http_stub_status_module --with-http_realip_module --with-http_auth_request_module --with-http_addition_module --with-http_dav_module --with-http_geoip_module --with-http_gunzip_module --with-http_gzip_static_module --with-http_image_filter_module --with-http_v2_module --with-http_sub_module --with-http_xslt_module --with-stream --with-stream_ssl_module --with-mail --with-mail_ssl_module --with-threads --with-openssl=/usr/local/openssl-1.0.2h/
$ sudo make
$ sudo make install
$ nginx -V
nginx version: nginx/1.14.2
built by gcc 4.8.4 (Ubuntu 4.8.4-2ubuntu1~14.04.4)
built with OpenSSL 1.0.2h  3 May 2016
TLS SNI support enabled


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Imageuploding on okhttp3 or Retrofit2, how can i get this uri?

Imageuploding on okhttp3 or Retrofit2, how can i get this uri?


By : Sergiu Prodan
Date : March 29 2020, 07:55 AM
around this issue I want to make service for imageuploading using retrofit2 or Okhttp3, , modify the onActiivtyResult then handle the Exception in OnClick
code :
@Override
public void onActivityResult(int requestCode, int resultCode, Intent data) {
    if(resultCode == Activity.RESULT_OK) {
        if(requestCode == 1000){
            Uri returnUri = data.getData();
            Bitmap bitmapImage = null;
            try {
                bitmapImage = MediaStore.Images.Media.getBitmap(getActivity().getContentResolver(), returnUri);
            } catch (IOException e) {
                e.printStackTrace();
            }
            mImageview.setImageBitmap(bitmapImage);
        }
    }

    returnUri = data.getData(); //This is what i want to control

}
Uri returnUri;
HTTP/2 with OkHttp3 and Retrofit2

HTTP/2 with OkHttp3 and Retrofit2


By : kman
Date : March 29 2020, 07:55 AM
Any of those help alpn-boot is only used for a standard (Desktop/Server) JVM. It will not work with an Android device.
Also the change to bootclasspath is a runtime option in that case, not a compiler argument.
code :
$ oksocial --debug -i https://api.twitter.com/robots.txt 2>&1  | grep protocol
11:30:28.849    protocol: h2

$ oksocial --debug -i https://debug.api.heyyka.com/api/v1/dev/err 2>&1 | grep protocol
11:30:45.381    protocol: http/1.1
$ nghttp -v https://debug.api.heyyka.com/api/v1/dev/err
[  0.189] Connected
[  0.362][NPN] server offers:
          * h2
          * http/1.1
The negotiated protocol: h2
HTTPS not working with OkHttp3 and Retrofit2

HTTPS not working with OkHttp3 and Retrofit2


By : jason
Date : March 29 2020, 07:55 AM
Hope that helps Try to use this code HTTPS working with OkHttp3 and Retrofit2
create API interface
code :
public interface API {

@GET("/users/{user}")
Observable<Result<User>> getUser(@Path("user") String user);
}
public class ApiManager {

Context context;
public static final String BASE_URL = "https://api.github.com/";


private OkHttpClient okHttpClient;
private Authenticator authenticator = new Authenticator() {
    @Override
    public Request authenticate(Route route, Response response) {
        return null;
    }
};


private ApiManager() {
}

public void setAuthenticator(Authenticator authenticator) {
    this.authenticator = authenticator;
}


public static class Builder {
    String email, password;
    ApiManager apiManager = new ApiManager();

    public Builder setAuthenticator(Authenticator authenticator) {
        apiManager.setAuthenticator(authenticator);
        return this;
    }

    public ApiManager build(String param_email, String param_password) {
        this.email = param_email;
        this.password = param_password;
        return apiManager.newInstance(email, password);
    }

}

public class RequestTokenInterceptor implements Interceptor {
    String email, password;
    String credentials, basic;
    public RequestTokenInterceptor(String email, String password) {
        this.email = email;
        this.password = password;
        credentials = email + ":" + password;
        basic = "Basic " + Base64.encodeToString(credentials.getBytes(), Base64.NO_WRAP);
    }



    @Override
    public Response intercept(Interceptor.Chain chain) throws IOException {
        Request original = chain.request();
        Request.Builder builder = original.newBuilder()
                .addHeader("Authorization", basic)
                .method(original.method(), original.body());
        return chain.proceed(builder.build());
    }
}

private ApiManager newInstance(String email, String password) {
    HttpLoggingInterceptor logging = new HttpLoggingInterceptor(new HttpLoggingInterceptor.Logger() {
        @Override
        public void log(String message) {
            Log.i("http", message);
        }
    });
    logging.setLevel(HttpLoggingInterceptor.Level.BODY);


    okHttpClient = new OkHttpClient.Builder()
            .addInterceptor(logging)
            .addInterceptor(new RequestTokenInterceptor(email, password))
            .authenticator(authenticator)
            .build();


    return this;
}


public <T> T createRest(Class<T> t) {
    Retrofit retrofit = new Retrofit.Builder()

            .baseUrl(BASE_URL)
            .addConverterFactory(GsonConverterFactory.create())
            .addCallAdapterFactory(RxJavaCallAdapterFactory.create())
            .client(okHttpClient)
            .build();

    return retrofit.create(t);
   }

 }
 compile 'com.squareup.okhttp3:okhttp:3.4.1'
 compile 'com.squareup.okhttp3:okhttp-urlconnection:3.4.1'
 compile 'com.squareup.okhttp3:logging-interceptor:3.4.1'
 compile 'com.squareup.okhttp3:okhttp-ws:3.4.1'
 compile 'com.squareup.retrofit2:retrofit:2.0.2'
 compile 'com.squareup.retrofit2:converter-gson:2.0.2'
 compile 'com.squareup.retrofit2:adapter-rxjava:2.0.2'
public class MainActivity extends AppCompatActivity {

private ProgressDialog feedbackDialog;


@Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_main);

    feedbackDialog = new ProgressDialog(this);
    feedbackDialog.setCanceledOnTouchOutside(false);

    getUser();
}
public void getUser() {

    API accountAPI4 = createRestApi4();
    if (accountAPI4 != null) {
        showFeedback(getResources().getString(R.string.loading));
        BackgroundThreadObservable.toBackground(accountAPI4.getUser("SafAmin"))
                .subscribe(new Action1<Result<User>>() {
                               @Override
                               public void call(Result<User> user) {
                                   dismissFeedback();
                                   Log.e("GIT_HUB","Github Name :"+user.response().body().getName()+"\nWebsite :"+user.response().body().getBlog());
                               }
                           }, new Action1<Throwable>() {
                               @Override
                               public void call(Throwable throwable) {
                                   // do something with the error
                                   if (throwable != null) {
                                       dismissFeedback();
                                   }
                               }
                           }
                );
    } else {
        dismissFeedback();
    }
}

public static API createRestApi4() {
    ApiManager apiManager = new ApiManager.Builder().build(email, password);
    return apiManager.createRest(API.class);
}

public void showFeedback(String message) {
    feedbackDialog.setMessage(message);

    feedbackDialog.show();
}

public void dismissFeedback() {
    feedbackDialog.dismiss();
 }
}
    <uses-permission android:name="android.permission.INTERNET"/>
Retrofit2 NoSuchMethodError with external AAR that uses OkHttp3 3.3.1

Retrofit2 NoSuchMethodError with external AAR that uses OkHttp3 3.3.1


By : Daniel Diaz
Date : March 29 2020, 07:55 AM
wish of those help Instead of checking the backward compatibility with OkHttp 3 3.1, you can exclude it from your ExternalSDK_Android dependency.
code :
// External SDK causing problems
compile(project(':ExternalSDK_Android')) {
    exclude group: 'com.squareup.okhttp3', module: 'okhttp'
}
compile('com.squareup.okhttp3:okhttp:+') {
    force = true
    transitive = true
}
Cache requests using retrofit2 and okhttp3

Cache requests using retrofit2 and okhttp3


By : Quick Question
Date : March 29 2020, 07:55 AM
hop of those help? I am using retrofit2 to cash responses using cache interceptor
code :
public Response intercept(Chain chain)
public Response intercept(Chain chain) {
    Request request = chain.request()
}
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