From c02408c2a5b18bbcfcf483c235966db2d4a00457 Mon Sep 17 00:00:00 2001
From: Michiyo Wellington-Oguri <michiyo.wellingtonoguri@am.sony.com>
Date: Sun, 30 Jul 2017 17:15:41 -0700
Subject: [PATCH] don't start new activity if already in that activity

---
 .../commons/theme/NavigationBaseActivity.java    | 16 ++++++++++++----
 1 file changed, 12 insertions(+), 4 deletions(-)

diff --git a/app/src/main/java/fr/free/nrw/commons/theme/NavigationBaseActivity.java b/app/src/main/java/fr/free/nrw/commons/theme/NavigationBaseActivity.java
index af0d38243..6710b6367 100644
--- a/app/src/main/java/fr/free/nrw/commons/theme/NavigationBaseActivity.java
+++ b/app/src/main/java/fr/free/nrw/commons/theme/NavigationBaseActivity.java
@@ -77,19 +77,27 @@ public class NavigationBaseActivity extends BaseActivity
         switch (item.getItemId()) {
             case R.id.action_home:
                 drawerLayout.closeDrawer(navigationView);
-                ContributionsActivity.startYourself(this);
+                if (!(this instanceof ContributionsActivity)) {
+                    ContributionsActivity.startYourself(this);
+                }
                 return true;
             case R.id.action_nearby:
                 drawerLayout.closeDrawer(navigationView);
-                NearbyActivity.startYourself(this);
+                if (!(this instanceof NearbyActivity)) {
+                    NearbyActivity.startYourself(this);
+                }
                 return true;
             case R.id.action_about:
                 drawerLayout.closeDrawer(navigationView);
-                AboutActivity.startYourself(this);
+                if (!(this instanceof AboutActivity)) {
+                    AboutActivity.startYourself(this);
+                }
                 return true;
             case R.id.action_settings:
                 drawerLayout.closeDrawer(navigationView);
-                SettingsActivity.startYourself(this);
+                if (!(this instanceof SettingsActivity)) {
+                    SettingsActivity.startYourself(this);
+                }
                 return true;
             case R.id.action_introduction:
                 drawerLayout.closeDrawer(navigationView);