app/src/main/java/org/mian/gitnex/activities/LoginActivity.java

@@ -507,6 +507,9 @@ public class LoginActivity extends AppCompatActivity implements View.OnClickList
             @Override
             public void onFailure(@NonNull Call<UserInfo> call, @NonNull Throwable t) {
                 Log.e("onFailure", t.toString());
+                Toasty.info(getApplicationContext(), getResources().getString(R.string.genericError));
+                enableProcessButton();
+                loginButton.setText(R.string.btnLogin);
             }
         });
 

app/src/main/res/layout/activity_login.xml

@@ -47,12 +47,14 @@
                 android:text="@string/loginViaPassword"
                 android:checked="true"
                 android:layout_marginEnd="30dp"
+                android:theme="@style/radioButtonsInDarkTheme"
                 android:textColor="@color/white"/>
             <RadioButton
                 android:id="@+id/loginToken"
                 android:layout_width="wrap_content"
                 android:layout_height="wrap_content"
                 android:text="@string/copyToken"
+                android:theme="@style/radioButtonsInDarkTheme"
                 android:textColor="@color/white"/>
         </RadioGroup>
 

app/src/main/res/values/styles.xml

@@ -56,4 +56,9 @@
         <item name="android:layout_marginBottom">10dp</item>
     </style>
 
+    <style name="radioButtonsInDarkTheme" parent="Theme.AppCompat.Dialog.Alert">
+        <item name="colorControlNormal">@color/white</item>
+        <item name="colorControlActivated">@color/white</item>
+    </style>
+
 </resources>