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Application/src/main/java/fr/centralesupelec/students/clientble/BluetoothLeService.java

@@ -37,6 +37,8 @@ import java.util.List;
 import java.util.StringTokenizer;
 import java.util.UUID;
 
+import static java.lang.Thread.sleep;
+
 /**
  * Service for managing connection and data communication with a GATT server hosted on a
  * given Bluetooth LE device.
@@ -318,7 +320,12 @@ public class BluetoothLeService extends Service {
                     enabled ? BluetoothGattDescriptor.ENABLE_NOTIFICATION_VALUE
                             : BluetoothGattDescriptor.DISABLE_NOTIFICATION_VALUE
             );
-            while (!mBluetoothGatt.writeDescriptor(descriptor)) ;
+            try {
+                while (!mBluetoothGatt.writeDescriptor(descriptor))
+                    sleep(500);
+            } catch (Exception e) {
+                e.printStackTrace();
+            }
         }
         mBluetoothGatt.setCharacteristicNotification(characteristic, enabled);
     }

Application/src/main/java/fr/centralesupelec/students/clientble/SimpleDetailActivity.java

@@ -144,6 +144,7 @@ public class SimpleDetailActivity extends Activity {
         mBluetoothLeService = null;
     }
 
+    /*
     @Override
     public boolean onCreateOptionsMenu(Menu menu) {
         getMenuInflater().inflate(R.menu.gatt_services, menu);
@@ -156,16 +157,19 @@ public class SimpleDetailActivity extends Activity {
         }
         return true;
     }
+    */
 
     @Override
     public boolean onOptionsItemSelected(MenuItem item) {
         switch(item.getItemId()) {
+            /*
             case R.id.menu_connect:
                 mBluetoothLeService.connect(mDeviceAddress);
                 return true;
             case R.id.menu_disconnect:
                 mBluetoothLeService.disconnect();
                 return true;
+            */
             case android.R.id.home:
                 onBackPressed();
                 return true;
@@ -173,6 +177,7 @@ public class SimpleDetailActivity extends Activity {
         return super.onOptionsItemSelected(item);
     }
 
+
     private void updateConnectionState(final int resourceId) {
         runOnUiThread(new Runnable() {
             @Override