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Revert "Remove selection tracker workaround"

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This reverts commit 7e7eb8a8ae.
This commit is contained in:
M66B
2019-02-04 18:34:36 +00:00
parent 76df0e31ef
commit ccda71d25f
1 changed files with 14 additions and 2 deletions
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16
app/src/main/java/eu/faircode/email/FragmentMessages.java
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@@ -441,12 +441,24 @@ public class FragmentMessages extends FragmentBase {
@Override
public void onSelectionChanged() {
SelectionTracker tracker = selectionTracker;
if (tracker == null) // destroyed
if (tracker == null)
return;
FragmentActivity activity = getActivity();
if (activity != null)
if (activity != null) {
try {
ViewModelMessages modelMessages = ViewModelProviders.of(activity).get(ViewModelMessages.class);
if (tracker.hasSelection())
modelMessages.removeObservers(viewType, getViewLifecycleOwner());
else
modelMessages.observe(viewType, getViewLifecycleOwner(), observer);
} catch (IllegalStateException ex) {
// getViewLifecycleOwner
Log.w(ex);
}
activity.invalidateOptionsMenu();
}
if (tracker.hasSelection()) {
swipeRefresh.setEnabled(false);