Notify users that Bote needs to be connected to check emails

app/src/main/java/i2p/bote/android/EmailListFragment.java

@@ -24,6 +24,7 @@ import android.widget.FrameLayout;
 import android.widget.ImageButton;
 import android.widget.ListView;
 import android.widget.TextView;
+import android.widget.Toast;
 
 import net.i2p.I2PAppContext;
 import net.i2p.util.Log;
@@ -587,7 +588,9 @@ public class EmailListFragment extends AuthenticatedListFragment implements
                 // TODO Auto-generated catch block
                 e.printStackTrace();
             }
-        } else
+        } else {
             mSwipeRefreshLayout.setRefreshing(false);
+            Toast.makeText(getActivity(), R.string.bote_needs_to_be_connected, Toast.LENGTH_SHORT).show();
+        }
     }
 }

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

@@ -44,6 +44,7 @@
     <string name="action_settings">Settings</string>
     <string name="check_email">Check email</string>
     <string name="checking_email">Checking email&#8230;</string>
+    <string name="bote_needs_to_be_connected">Bote needs to be connected to the network</string>
     <!-- Argument is a number -->
     <plurals name="incomplete_emails">
         <item quantity="one">One incomplete email</item>