Fix possible NPE.

Well, try to fix them.

Change-Id: I8f774d35a304367bbdd1778628a1224031355ed4

1 files changed, 8 insertions, 0 deletions

diff --git a/android/sdremote/src/org/libreoffice/impressremote/fragment/ComputersFragment.java b/android/sdremote/src/org/libreoffice/impressremote/fragment/ComputersFragment.java
index 81e6ed91a281..5527ea4d61c4 100644
--- a/android/sdremote/src/org/libreoffice/impressremote/fragment/ComputersFragment.java
+++ b/android/sdremote/src/org/libreoffice/impressremote/fragment/ComputersFragment.java
@@ -167,6 +167,10 @@ public class ComputersFragment extends SherlockListFragment implements ServiceCo
     }
 
     private void loadComputers() {
+        if (!isVisible()) {
+            return;
+        }
+
         if (getComputers().isEmpty()) {
             hideComputersList();
             setUpProgressMessage();
@@ -225,6 +229,10 @@ public class ComputersFragment extends SherlockListFragment implements ServiceCo
 
     @Override
     public void run() {
+        if (!isVisible()) {
+            return;
+        }
+
         if (!isShowingProgressMessageRequired()) {
             return;
         }