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Repull request of fixes #4081 App is crash when Backbutton is pressed from Favourites Fragment(#4104)

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fixes NullPointerexception in Favorities when backButton is pressed
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Prince kushwaha 2021-01-11 18:33:02 +05:30 • committed by GitHub
parent 8e9b39fa8d
commit 2d884b44ca
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3 changed files with 32 additions and 9 deletions
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5
app/src/main/java/fr/free/nrw/commons/contributions/ContributionsFragment.java
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@ -631,5 +631,10 @@ public class ContributionsFragment
fetchCampaigns();
}
}
// Getter for mediaDetailPagerFragment
public MediaDetailPagerFragment getMediaDetailPagerFragment() {
return mediaDetailPagerFragment;
}
}

12
app/src/main/java/fr/free/nrw/commons/contributions/MainActivity.java
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@ -64,6 +64,7 @@ public class MainActivity extends BaseActivity
private ExploreFragment exploreFragment;
private BookmarkFragment bookmarkFragment;
public ActiveFragment activeFragment;
private MediaDetailPagerFragment mediaDetailPagerFragment;
@Inject
public LocationServiceManager locationManager;
@ -239,7 +240,16 @@ public class MainActivity extends BaseActivity
public void onBackPressed() {
if (contributionsFragment != null && activeFragment == ActiveFragment.CONTRIBUTIONS) {
// Meas that contribution fragment is visible
contributionsFragment.backButtonClicked();
mediaDetailPagerFragment=contributionsFragment.getMediaDetailPagerFragment();
if (mediaDetailPagerFragment ==null) { //means you open the app currently and not open mediaDetailPage fragment
super.onBackPressed();
} else if (mediaDetailPagerFragment!=null) {
if(!mediaDetailPagerFragment.isVisible()){ //means you are at contributions fragement
super.onBackPressed();
} else { //mean you are at mediaDetailPager Fragment
contributionsFragment.backButtonClicked();
}
}
} else if (nearbyParentFragment != null && activeFragment == ActiveFragment.NEARBY) {
// Means that nearby fragment is visible
/* If function nearbyParentFragment.backButtonClick() returns false, it means that the bottomsheet is