Fixes commons-app#4051 (commons-app#4052)

ashishkumar468 · web-flow · commit 0f9d462e6e6f · 2020-11-28T11:22:00.000-07:00
* null check on mediaDetails
diff --git a/app/src/main/java/fr/free/nrw/commons/explore/ExploreListRootFragment.java b/app/src/main/java/fr/free/nrw/commons/explore/ExploreListRootFragment.java
@@ -162,15 +162,14 @@ public void viewPagerNotifyDataSetChanged() {
   }
 
   public void backPressed() {
-    if (mediaDetails.isVisible()) {
+    if (null!=mediaDetails && mediaDetails.isVisible()) {
       // todo add get list fragment
       ((ExploreFragment)getParentFragment()).tabLayout.setVisibility(View.VISIBLE);
       removeFragment(mediaDetails);
       setFragment(listFragment, mediaDetails);
-      ((MainActivity)getActivity()).showTabs();
     } else {
       ((MainActivity) getActivity()).setSelectedItemId(NavTab.CONTRIBUTIONS.code());
-      ((MainActivity)getActivity()).showTabs();
     }
+    ((MainActivity)getActivity()).showTabs();
   }
 }

Original file line number	Diff line number	Diff line change
`@@ -162,15 +162,14 @@ public void viewPagerNotifyDataSetChanged() {`
`162`	`162`	`}`
`163`	`163`
`164`	`164`	`public void backPressed() {`
`165`		`- if (mediaDetails.isVisible()) {`
	`165`	`+ if (null!=mediaDetails && mediaDetails.isVisible()) {`
`166`	`166`	`// todo add get list fragment`
`167`	`167`	`((ExploreFragment)getParentFragment()).tabLayout.setVisibility(View.VISIBLE);`
`168`	`168`	`removeFragment(mediaDetails);`
`169`	`169`	`setFragment(listFragment, mediaDetails);`
`170`		`- ((MainActivity)getActivity()).showTabs();`
`171`	`170`	`} else {`
`172`	`171`	`((MainActivity) getActivity()).setSelectedItemId(NavTab.CONTRIBUTIONS.code());`
`173`		`- ((MainActivity)getActivity()).showTabs();`
`174`	`172`	`}`
	`173`	`+ ((MainActivity)getActivity()).showTabs();`
`175`	`174`	`}`
`176`	`175`	`}`