[Refactoring] nouveau code avec okHtpp et JSONObject

app/src/main/java/com/speculos/myapplicationoc/APICommandes.java

@@ -1,150 +0,0 @@
-package com.speculos.myapplicationoc;
-
-import android.os.StrictMode;
-import android.util.Log;
-
-import java.io.BufferedReader;
-import java.io.DataOutputStream;
-import java.io.IOException;
-import java.io.InputStreamReader;
-import java.net.HttpURLConnection;
-import java.net.URL;
-import java.nio.charset.StandardCharsets;
-
-public class APICommandes {
-
-    private static HttpURLConnection con;
-    private static String response;
-    private static int SDK_INT = android.os.Build.VERSION.SDK_INT;
-
-
-    /*
-     A propos de l'implementation JWT :
-
-        Using the token
-            HttpURLConnection con = (HttpURLConnection) url.openConnection();
-            con.setRequestProperty("Authorization", "Bearer " + accessToken);
-    */
-
-
-    static String getMethod(String url) throws IOException {
-
-
-        if (SDK_INT > 8) /*Eviter l'erreur android qui empêche call API dans le main thread*/
-        {
-            StrictMode.ThreadPolicy policy = new StrictMode.ThreadPolicy.Builder()
-                    .permitAll().build();
-            StrictMode.setThreadPolicy(policy);
-            //your codes here
-        }
-
-        try {
-
-            URL myurl = new URL(url);
-            Log.d("API-debug","GET sur myurl: "+url);
-
-            con = (HttpURLConnection) myurl.openConnection();
-            con.setConnectTimeout(5000);
-            con.setReadTimeout(5000);
-
-
-            con.setRequestMethod("GET");
-
-            StringBuilder content;
-
-            try (BufferedReader in = new BufferedReader(
-                    new InputStreamReader(con.getInputStream()))) {
-
-                String line;
-                content = new StringBuilder();
-
-                while ((line = in.readLine()) != null) {
-
-                    content.append(line);
-                    content.append(System.lineSeparator());
-                }
-            }
-
-            response = content.toString();
-
-
-
-        } catch (Exception e){
-            // handle exception here
-            Log.d("API-debug","Exception, GET a echoue, we return empty string");
-            return "";
-
-        } finally {
-
-            con.disconnect();
-        }
-
-        return response;
-    }
-
-
-    public static String postMethod(String url, String urlParameters) throws IOException {
-        /*
-            Exemple de paramètres pour faire un POST :
-
-                String urlParameters = "{\"name\": \"user4\", \"solde\": 22, \"email\": \"user4@mail.fr\"}";
-        */
-
-        if (SDK_INT > 8) /*Eviter l'erreur android qui empêche call API dans le main thread*/
-        {
-            StrictMode.ThreadPolicy policy = new StrictMode.ThreadPolicy.Builder()
-                    .permitAll().build();
-            StrictMode.setThreadPolicy(policy);
-            //your codes here
-        }
-
-        byte[] postData = urlParameters.getBytes(StandardCharsets.UTF_8);
-
-        try {
-
-            URL myurl = new URL(url);
-            con = (HttpURLConnection) myurl.openConnection();
-            con.setConnectTimeout(5000);
-            con.setReadTimeout(5000);
-
-            con.setDoOutput(true);
-            con.setRequestMethod("POST");
-            con.setRequestProperty("User-Agent", "Java client");
-            con.setRequestProperty("Content-Type", "application/json");
-
-            try (DataOutputStream wr = new DataOutputStream(con.getOutputStream())) {
-
-                wr.write(postData);
-            }
-
-            StringBuilder content;
-
-            try (BufferedReader br = new BufferedReader(
-                    new InputStreamReader(con.getInputStream()))) {
-
-                String line;
-                content = new StringBuilder();
-
-                while ((line = br.readLine()) != null) {
-                    content.append(line);
-                    content.append(System.lineSeparator());
-                }
-            }
-
-            //System.out.println(content.toString());
-            response = content.toString();
-
-        } catch (Exception e) {
-
-            Log.d("API-debug","Exception, le call POST echoue");
-
-        } finally {
-
-            con.disconnect();
-        }
-
-        return response;
-    }
-
-}
-

app/src/main/java/com/speculos/myapplicationoc/JsonTraductor.java

@@ -1,92 +0,0 @@
-package com.speculos.myapplicationoc;
-
-import android.util.Log;
-
-import com.google.gson.JsonArray;
-import com.google.gson.JsonElement;
-import com.google.gson.JsonObject;
-import com.google.gson.JsonParser;
-import java.util.ArrayList;
-import java.util.List;
-
-
-public class JsonTraductor {
-
-    private String json;
-
-    private List<JsonObject> listJson = new ArrayList<JsonObject>();
-
-
-
-    public JsonTraductor(){
-        // Json de test
-        // {"id":1,"nfcId":"azerty","client":{"id":1,"name":"Omer"},"state":1}
-        // "[{\"id\":1,\"nfcId\":\"azerty\",\"client\":{\"id\":1,\"name\":\"Omer\"},\"state\":1},{\"id\":2,\"nfcId\":\"oui\",\"client\":null,\"state\":0}]";
-        json  = "{\"id\":1,\"nfcId\":\"azerty\",\"client\":{\"id\":1,\"name\":\"Omer\"},\"state\":1}";
-    }
-
-    JsonTraductor(String jsonEntry){
-        json  = jsonEntry;
-        buildList();
-    }
-
-    private void buildList(){
-        // Parse le json et tiens à jour une liste d'objets json
-        listJson.clear();
-
-        try {
-
-            if(jsonIsArray(json)){
-
-                JsonArray entries = (JsonArray) new JsonParser().parse(json);
-                //String id = ((JsonObject)entries.get(0)).get("id").toString();
-                //System.out.println(id);
-
-                for(int i = 0; i<entries.size(); i++){
-                    listJson.add(((JsonObject)entries.get(i)));
-                }
-
-
-            } else {
-
-                JsonParser parser = new JsonParser();
-                JsonElement jsonElement = parser.parse(json);
-                JsonObject jsonObjectOne = jsonElement.getAsJsonObject();
-                //System.out.println(jsonObject.get("id"));
-                listJson.add(jsonObjectOne);
-                //System.out.println(listJson.get(0).get("id"));
-            }
-
-        } catch (Exception e){
-            // handle exception here
-        }
-
-
-    }
-
-    private static Boolean jsonIsArray(String json){
-        Log.d("JsonTraductor-debug","Json: "+json);
-
-        if (json != null){
-            return json.toCharArray()[0] != '{';
-        } else {
-            return false;
-        }
-
-
-    }
-
-
-    String getJsonData(String jsonId, int jsonIndex){
-
-        if(jsonIndex >= listJson.size()){
-            // pour ne pas depasser l'index final
-            return null;
-
-        } else {
-            return listJson.get(jsonIndex).get(jsonId).toString();
-        }
-
-    }
-
-}

app/src/main/java/com/speculos/myapplicationoc/MyApplication.java

@@ -6,9 +6,7 @@ public class MyApplication extends Application {
 
         private String serverURL = "http://art-dev:8080";
 
-
         public String getServerURL(){
             return serverURL;
         }
-
 }

app/src/main/java/com/speculos/myapplicationoc/PaymentActivity.java

@@ -12,23 +12,35 @@ import android.widget.Toast;
 import androidx.annotation.Nullable;
 import androidx.appcompat.app.AppCompatActivity;
 
+import org.json.JSONException;
+import org.json.JSONObject;
+
 import java.io.IOException;
 
+import okhttp3.MediaType;
+import okhttp3.OkHttpClient;
+import okhttp3.Request;
+import okhttp3.RequestBody;
+import okhttp3.Response;
+
 public class PaymentActivity extends AppCompatActivity {
 
-    static String hexa_id, title, soldeString;
+    static String hexa_id, title, soldeString, srvURL;
     static float solde;
 
-    // recuperation de MyApplication contenant les variables globales
-    MyApplication myApplication = (MyApplication) getApplication();
-    String srvURL = myApplication.getServerURL();
 
     // Temporaire
-    static String nfcId = "azerty";
+    //    static String nfcId = "azerty";
 
     @Override
     protected void onCreate(@Nullable Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
+
+        // recuperation de MyApplication contenant les variables globales
+        MyApplication myApplication = (MyApplication) getApplication();
+        srvURL = myApplication.getServerURL();
+
+        // Load le layout
         setContentView(R.layout.activity_payment);
 
         hexa_id = getIntent().getStringExtra("hexa_id");
@@ -97,10 +109,34 @@ public class PaymentActivity extends AppCompatActivity {
                         } else {
                             // Call API Paiement
                             try {
-                                String response = APICommandes.postMethod(srvURL + "/api/payment","{\"nfcId\": \"" + nfcId + "\", \"price\": " + transaction_value + "}");
+
-                                Log.d("PAYMENT-debug",response);
+                                OkHttpClient client = new OkHttpClient().newBuilder()
-                            } catch (IOException e) {
+                                        .build();
-                                Toast.makeText(PaymentActivity.this, "Pas assez d'argent!", Toast.LENGTH_LONG).show();
+                                MediaType mediaType = MediaType.parse("application/json");
+                                RequestBody body = RequestBody.create(mediaType, "{\"nfcId\": \"" + hexa_id + "\",\"price\": " + transaction_value + "}\n");
+                                Request request = new Request.Builder()
+                                        .url(srvURL + "/api/payment")
+                                        .method("POST", body)
+                                        .addHeader("Content-Type", "application/json")
+                                        .build();
+                                Response response = client.newCall(request).execute();
+
+                                Log.d("PAYMENT-debug", response.body().toString());
+
+                                JSONObject jsonReader = null;
+                                jsonReader = new JSONObject(response.body().string());
+                                String message = jsonReader.getString("message");
+
+                                if (response.code() == 200) {
+                                    // Paiement effectué
+                                    Toast.makeText(PaymentActivity.this, message, Toast.LENGTH_LONG).show();
+                                    finish();
+                                } else if (response.code() == 406) {
+                                    Toast.makeText(PaymentActivity.this, message, Toast.LENGTH_LONG).show();
+                                }
+
+                            } catch (IOException | JSONException e) {
+                                Toast.makeText(PaymentActivity.this, "Erreur lors de la connexion au serveur", Toast.LENGTH_LONG).show();
                                 e.printStackTrace();
                             }
                         }
@@ -109,10 +145,38 @@ public class PaymentActivity extends AppCompatActivity {
                     } else {
                         //Call API Rechargement
                         try {
-                            String response = APICommandes.postMethod(srvURL + "/api/load","{\"nfcId\": \"" + nfcId + "\", \"price\": " + transaction_value + "}");
+//                            String response = APICommandes.postMethod(srvURL + "/api/load","{\"nfcId\": \"" + hexa_id + "\", \"price\": " + transaction_value + "}");
-                            Log.d("PAYMENT-debug",response);
+
-                        } catch (IOException e) {
+                            OkHttpClient client = new OkHttpClient().newBuilder()
-                            Toast.makeText(PaymentActivity.this, "Erreur rechargement!", Toast.LENGTH_LONG).show();
+                                    .build();
+                            MediaType mediaType = MediaType.parse("application/json");
+                            RequestBody body = RequestBody.create(mediaType, "{\"nfcId\": \"" + hexa_id + "\",\"price\": " + transaction_value + "}\n");
+                            Request request = new Request.Builder()
+                                    .url(srvURL + "/api/load")
+                                    .method("POST", body)
+                                    .addHeader("Content-Type", "application/json")
+                                    .build();
+                            Response response = client.newCall(request).execute();
+
+                            Log.d("PAYMENT-debug", response.body().toString());
+
+                            JSONObject jsonReader = null;
+                            jsonReader = new JSONObject(response.body().string());
+                            String message = jsonReader.getString("message");
+
+                            if (response.code() == 200) {
+                                // Rechargement effectué
+                                Toast.makeText(PaymentActivity.this, message, Toast.LENGTH_LONG).show();
+                                finish();
+                            } else if (response.code() == 406) {
+                                Toast.makeText(PaymentActivity.this, message, Toast.LENGTH_LONG).show();
+                            } else {
+                                Toast.makeText(PaymentActivity.this, "Erreur rechargement! " + message, Toast.LENGTH_LONG).show();
+                            }
+
+
+                        } catch (IOException | JSONException e) {
+                            Toast.makeText(PaymentActivity.this, "Erreur lors de la connexion au serveur", Toast.LENGTH_LONG).show();
                             e.printStackTrace();
                         }
 
@@ -120,7 +184,6 @@ public class PaymentActivity extends AppCompatActivity {
                 }
 
 
-
             }
         });
 

app/src/main/java/com/speculos/myapplicationoc/TagDetectedActivity.java

@@ -3,29 +3,39 @@ package com.speculos.myapplicationoc;
 import android.app.Activity;
 import android.content.Intent;
 import android.os.Bundle;
+import android.os.StrictMode;
 import android.util.Log;
 import android.view.View;
 import android.widget.Button;
 import android.widget.TextView;
+import android.widget.Toast;
 
 import androidx.annotation.Nullable;
 
+import org.json.JSONException;
+import org.json.JSONObject;
+
 import java.io.IOException;
+import java.util.concurrent.TimeUnit;
+
+import okhttp3.OkHttpClient;
+import okhttp3.Request;
+import okhttp3.Response;
 
 public class TagDetectedActivity extends Activity {
 
-    String hexa_id, mail;
+    String hexa_id, mail, srvURL;
     float solde = 0;
 
-    String srvURL;
-
-    // Temporaire
-    String nfcId = "azerty";
 
     @Override
     protected void onCreate(@Nullable Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
 
+        // Tweak pour contourner l'erreur android.os.StrictMode$AndroidBlockGuardPolicy.onNetwork
+        StrictMode.ThreadPolicy policy = new StrictMode.ThreadPolicy.Builder().permitAll().build();
+        StrictMode.setThreadPolicy(policy);
+
         // recuperation de MyApplication contenant les variables globales
         MyApplication myApplication = (MyApplication) getApplication();
         srvURL = myApplication.getServerURL();
@@ -47,31 +57,51 @@ public class TagDetectedActivity extends Activity {
         String stringAPI = "";
 
         try {
-            stringAPI = APICommandes.getMethod(srvURL + "/api/bracelets.json?nfcId="+ nfcId);
-            Log.d("API-debug",stringAPI);
-        } catch (IOException e) {
-            e.printStackTrace();
-        }
 
-        JsonTraductor maListeJson = new JsonTraductor(stringAPI);
+            OkHttpClient client = new OkHttpClient().newBuilder()
-        maListeJson = new JsonTraductor(maListeJson.getJsonData("client", 0));
+                    .connectTimeout(2000, TimeUnit.MILLISECONDS)
+                    .callTimeout(2000, TimeUnit.MILLISECONDS)
+                    .build();
+            Request request = new Request.Builder()
+                    .url(srvURL + "/api/bracelets.json?nfcId=" + hexa_id)
+                    .method("GET", null)
+                    .addHeader("Content-Type", "application/json")
+                    .build();
+            Response response = client.newCall(request).execute();
 
-        if( (mail = maListeJson.getJsonData("email", 0)) != null ){
+            String in = response.body().string();
+            in = in.substring(1, in.length() - 1); // on retire le [] autour de notre json premier et dernier char
+            Log.d("API-debug-in", in);
 
-            mail = mail.substring(1,mail.length()-1);
+            JSONObject jsonObject = null;
-        } else {
+
-            mail = "-";//Assign default string
+            try {
+                jsonObject = new JSONObject(in);
+                jsonObject = new JSONObject(jsonObject.get("client").toString()); // recup client embed dans l'objet parent
+            } catch (JSONException e) {
+                Log.d("API-debug", e.getMessage());
             }
 
+
+            String mail = null;
+            mail = jsonObject.getString("email");
+            solde = Float.parseFloat(jsonObject.getString("solde"));
+
             TextView value_mail = findViewById(R.id.value_mail);
             value_mail.setText(mail);
 
-        try {solde = Float.parseFloat(maListeJson.getJsonData("solde", 0));} catch(Exception e) { solde = 0;}
-        TextView value_solde = findViewById(R.id.value_solde);
-        value_solde.setText(solde+" €");
 
+        } catch (IOException | JSONException e) {
+            e.printStackTrace();
+            Log.d("API-debug-exception", e.getMessage());
+            Toast.makeText(TagDetectedActivity.this, e.getMessage(), Toast.LENGTH_LONG).show();
+            finish();
+        }
 
 
+        TextView value_solde = findViewById(R.id.value_solde);
+        value_solde.setText(solde + " €");
+
 
         Button button_payer = findViewById(R.id.button_enregistrer);
 
@@ -106,19 +136,39 @@ public class TagDetectedActivity extends Activity {
         super.onResume();
 
         // code à la fermeture de myIntent
-        String stringAPI2 = "";
 
         try {
-            stringAPI2 = APICommandes.getMethod(srvURL + "/api/bracelets.json?nfcId="+ nfcId);
+
-            Log.d("API-debug",stringAPI2);
+            OkHttpClient client = new OkHttpClient().newBuilder()
+                    .connectTimeout(2000, TimeUnit.MILLISECONDS)
+                    .callTimeout(2000, TimeUnit.MILLISECONDS)
+                    .build();
+            Request request = new Request.Builder()
+                    .url(srvURL + "/api/bracelets.json?nfcId=" + hexa_id)
+                    .method("GET", null)
+                    .addHeader("Content-Type", "application/json")
+                    .build();
+            Response response = client.newCall(request).execute();
+
+            String in = response.body().string();
+            in = in.substring(1, in.length() - 1);
+
+
+            JSONObject jsonObject = null;
+            try {
+                jsonObject = new JSONObject(in);
+                jsonObject = new JSONObject(jsonObject.get("client").toString()); // recup client embed dans l'objet parent
+                solde = Float.parseFloat(jsonObject.getString("solde"));
+            } catch (JSONException e) {
+                Log.d("API-debug", e.getMessage());
+            }
+
+
         } catch (IOException e) {
             e.printStackTrace();
         }
 
-        JsonTraductor maListeJson = new JsonTraductor(stringAPI2);
-        maListeJson = new JsonTraductor(maListeJson.getJsonData("client", 0));
 
-        try{solde = Float.parseFloat(maListeJson.getJsonData("solde", 0));} catch(Exception e){solde = 0;}
         TextView value_solde = findViewById(R.id.value_solde);
         value_solde.setText(solde + " €");
     }

app/src/main/java/com/speculos/myapplicationoc/TagDetectedActivityAdmin.java

@@ -2,6 +2,7 @@ package com.speculos.myapplicationoc;
 
 import android.app.Activity;
 import android.os.Bundle;
+import android.os.StrictMode;
 import android.util.Log;
 import android.view.View;
 import android.widget.Button;
@@ -15,6 +16,7 @@ import org.json.JSONException;
 import org.json.JSONObject;
 
 import java.io.IOException;
+import java.util.concurrent.TimeUnit;
 import java.util.regex.Pattern;
 
 import okhttp3.MediaType;
@@ -27,24 +29,27 @@ public class TagDetectedActivityAdmin extends Activity {
 
     String hexa_id, mail, username, srvURL;
 
-    // recuperation de MyApplication contenant les variables globales
-    //    MyApplication myApplication = (MyApplication) getApplication();
-    // Temporaire
-    //    String nfcId = "azerty";
 
     @Override
     protected void onCreate(@Nullable Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
 
+        // Tweak pour contourner l'erreur android.os.StrictMode$AndroidBlockGuardPolicy.onNetwork
+        StrictMode.ThreadPolicy policy = new StrictMode.ThreadPolicy.Builder().permitAll().build();
+        StrictMode.setThreadPolicy(policy);
+
+        // Récupération MyApplication contenant les variables globales
         MyApplication myApplication = (MyApplication) getApplication();
         srvURL = myApplication.getServerURL();
 
+        // Setup de la vue à partir du layout
         setContentView(R.layout.activity_tag_detected_admin);
 
         hexa_id = getIntent().getStringExtra("hexa_id");
 
         if (hexa_id == null) {
-            hexa_id = "-";//Assign default string
+            //Assign default string
+            hexa_id = "-";
         }
 
         TextView value_NFCID = findViewById(R.id.value_NFCID);
@@ -57,10 +62,12 @@ public class TagDetectedActivityAdmin extends Activity {
             @Override
             public void onClick(View view) {
 
+                if (hexa_id.equals("-")) return; // si hexa_id non définit return onClick
+
                 // Vérifications et Call API créer le compte
                 EditText value_mail = findViewById(R.id.value_mail);
                 mail = value_mail.getText().toString();
-                username = mail.subSequence(0,mail.indexOf("@")).toString();
+                if (mail.length() > 0) username = mail.subSequence(0, mail.indexOf("@")).toString();
 
                 // Validation du champ email
                 String regex = "^[\\w!#$%&'*+/=?`{|}~^-]+(?:\\.[\\w!#$%&'*+/=?`{|}~^-]+)*@(?:[a-zA-Z0-9-]+\\.)+[a-zA-Z]{2,6}$";
@@ -69,29 +76,45 @@ public class TagDetectedActivityAdmin extends Activity {
 
                 if (pattern.matcher(mail).matches()) {
                     // L'email est validé par la regex on va pouvoir préparer la requête de verif si compte existe
-
                     // Call l'API pour voir si un client avec ce mail existe
-                    String apiResponse = "";
 
+                    Response apiResponse = null;
+                    String strReponse = "";
+
+
+                    OkHttpClient client = new OkHttpClient().newBuilder()
+                            .connectTimeout(2000, TimeUnit.MILLISECONDS)
+                            .callTimeout(2000, TimeUnit.MILLISECONDS)
+                            .build();
+                    Request request = new Request.Builder()
+                            .url(srvURL + "/api/clients.json?email=" + mail)
+                            .method("GET", null)
+                            .build();
                     try {
-                        apiResponse = APICommandes.getMethod(srvURL + "/api/clients.json?email=" + mail);
+                        apiResponse = client.newCall(request).execute();
+                        Log.d("API-CLIENT-DEBUG", "api:" + apiResponse.code());
+                        strReponse = apiResponse.body().string();
                     } catch (IOException e) {
                         e.printStackTrace();
+                        Log.d("API-CLIENT-DEBUG", "Server not responding");
+                        Toast.makeText(TagDetectedActivityAdmin.this, "Server not responding", Toast.LENGTH_LONG).show();
+                        return;
                     }
 
-                    if(apiResponse.length() <=3 ) {
+
+                    if (strReponse.length() <= 3 && strReponse.length() > 0) {
                         // Le mail n'est pas présent créer un nouveau compte.
                         Toast.makeText(TagDetectedActivityAdmin.this, "Création de compte NFC Cashless, mail:" + mail + " name:" + username + " bracelet:" + hexa_id, Toast.LENGTH_LONG).show();
 
 
                         Response responseHttp = null;
                         try {
-//                            response = APICommandes.postMethod(srvURL + "/api/clients","{\"name\": \"" + username + "\", \"email\": \"" + mail + "\", \"solde\" :"+0+"}");
+
-                            OkHttpClient client = new OkHttpClient().newBuilder()
+                            client = new OkHttpClient().newBuilder()
                                     .build();
                             MediaType mediaType = MediaType.parse("application/json");
                             RequestBody body = RequestBody.create(mediaType, "{\"name\": \"" + username + "\",\"email\": \"" + mail + "\",\"solde\": 0}");
-                            Request request = new Request.Builder()
+                            request = new Request.Builder()
                                     .url(srvURL + "/api/clients")
                                     .method("POST", body)
                                     .addHeader("Content-Type", "application/json")
@@ -109,7 +132,6 @@ public class TagDetectedActivityAdmin extends Activity {
                         } else {
                              /*Creation du compte réussie, link le bracelet au compte client (TODO: penser à faire les verifs si bracelet existe avant de créer un compte client)
                              Une fois qu'on a vérifié que le bracelet n'existe pas dans la base on l'ajoute au client
-
                              On commence par parser la reponse de l'appel POST précédent pour avoir l'idClient sans refaire de requête*/
 
 
@@ -125,16 +147,15 @@ public class TagDetectedActivityAdmin extends Activity {
                             }
 
 
-
                             // On peut maintenant link le bracelet grace à l'hexa_id et l'idClient
                             try {
 
 
-                                OkHttpClient client = new OkHttpClient().newBuilder()
+                                client = new OkHttpClient().newBuilder()
                                         .build();
                                 MediaType mediaType = MediaType.parse("application/json");
                                 RequestBody body = RequestBody.create(mediaType, "{\"nfcId\": \"" + hexa_id + "\",\"client\": \"/api/clients/" + idClient + "\",\"state\": 0}");
-                                Request request = new Request.Builder()
+                                request = new Request.Builder()
                                         .url(srvURL + "/api/bracelets")
                                         .method("POST", body)
                                         .addHeader("Content-Type", "application/json")

app/src/main/java/com/speculos/myapplicationoc/ThreadPing.java

@@ -2,6 +2,10 @@ package com.speculos.myapplicationoc;
 
 import java.io.IOException;
 
+import okhttp3.OkHttpClient;
+import okhttp3.Request;
+import okhttp3.Response;
+
 
 public class ThreadPing extends Thread {
 
@@ -32,7 +36,14 @@ public class ThreadPing extends Thread {
             try {
                 String apiResponse = "";
                 try {
-                    apiResponse = APICommandes.getMethod(url + "/api");
+                    OkHttpClient client = new OkHttpClient().newBuilder()
+                            .build();
+                    Request request = new Request.Builder()
+                            .url(url + "/api")
+                            .method("GET", null)
+                            .build();
+                    Response response = client.newCall(request).execute();
+                    apiResponse = response.body().toString();
 
                 } catch (IOException e) {
                     e.printStackTrace();