Broadcast receiver bug

BaseActivity can't handle InternetBroadcast

app/src/main/java/fr/utc/simde/payutc/BaseActivity.java

@@ -34,8 +34,6 @@ public abstract class BaseActivity extends NFCActivity {
 
     protected static NemopaySession nemopaySession;
     protected static CASConnexion casConnexion;
-    protected static InternetBroadcast internetBroadcast;
-
     protected static Config config;
 
     protected static Dialog dialog;
@@ -44,8 +42,6 @@ public abstract class BaseActivity extends NFCActivity {
     protected void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
 
-        this.internetBroadcast = new InternetBroadcast();
-        registerReceiver(this.internetBroadcast, new IntentFilter(ConnectivityManager.CONNECTIVITY_ACTION));
         dialog = new Dialog(this);
     }
 
@@ -53,7 +49,6 @@ public abstract class BaseActivity extends NFCActivity {
     protected void onDestroy() {
         super.onDestroy();
 
-        unregisterReceiver(this.internetBroadcast);
         dialog.dismiss();
     }
 

app/src/main/java/fr/utc/simde/payutc/MainActivity.java

@@ -5,6 +5,7 @@ import android.app.Activity;
 import android.app.ProgressDialog;
 import android.content.Context;
 import android.content.DialogInterface;
+import android.content.IntentFilter;
 import android.content.SharedPreferences;
 import android.graphics.Bitmap;
 import android.graphics.BitmapFactory;
@@ -35,6 +36,7 @@ import java.util.Map;
 import fr.utc.simde.payutc.tools.CASConnexion;
 import fr.utc.simde.payutc.tools.Config;
 import fr.utc.simde.payutc.tools.Dialog;
+import fr.utc.simde.payutc.tools.InternetBroadcast;
 import fr.utc.simde.payutc.tools.NemopaySession;
 
 public class MainActivity extends BaseActivity {
@@ -46,6 +48,8 @@ public class MainActivity extends BaseActivity {
     private static TextView appRegisteredText;
     private static Button usernameButton;
 
+    protected static InternetBroadcast internetBroadcast;
+
     private static SharedPreferences sharedPreferences;
 
     @Override
@@ -59,6 +63,9 @@ public class MainActivity extends BaseActivity {
         casConnexion = new CASConnexion(nemopaySession);
         config = new Config(sharedPreferences);
 
+        this.internetBroadcast = new InternetBroadcast();
+        registerReceiver(this.internetBroadcast, new IntentFilter(ConnectivityManager.CONNECTIVITY_ACTION));
+
         final String key = sharedPreferences.getString("key", "");
         if (!key.equals(""))
             setKey(key);
@@ -108,6 +115,7 @@ public class MainActivity extends BaseActivity {
     protected void onDestroy() {
         super.onDestroy();
 
+        unregisterReceiver(this.internetBroadcast);
         disconnect();
     }