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Code Issues Projects Releases Wiki Activity

Prevent memory leak and crash when refreshing MailboxStatusFragment

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This commit is contained in:
Torsten Grote
2022-04-07 11:00:41 -03:00
parent 60a1a4d2d1
commit 40d58a9359
1 changed files with 11 additions and 3 deletions
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14
briar-android/src/main/java/org/briarproject/briar/android/mailbox/MailboxStatusFragment.java
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@@ -20,6 +20,7 @@ import org.briarproject.briar.R;
import javax.inject.Inject;
import androidx.annotation.Nullable;
import androidx.annotation.UiThread;
import androidx.fragment.app.Fragment;
import androidx.fragment.app.FragmentActivity;
import androidx.lifecycle.ViewModelProvider;
@@ -43,6 +44,8 @@ public class MailboxStatusFragment extends Fragment {
private MailboxViewModel viewModel;
private final Handler handler = new Handler(Looper.getMainLooper());
@Nullable // UiThread
private Runnable refresher = null;
private TextView statusInfoView;
@@ -97,13 +100,15 @@ public class MailboxStatusFragment extends Fragment {
public void onStart() {
super.onStart();
requireActivity().setTitle(R.string.mailbox_status_title);
handler.postDelayed(this::refreshLastConnection, MIN_DATE_RESOLUTION);
refresher = this::refreshLastConnection;
handler.postDelayed(refresher, MIN_DATE_RESOLUTION);
}
@Override
public void onStop() {
super.onStop();
handler.removeCallbacks(this::refreshLastConnection);
handler.removeCallbacks(refresher);
refresher = null;
}
private void onMailboxStateChanged(MailboxStatus status) {
@@ -120,10 +125,13 @@ public class MailboxStatusFragment extends Fragment {
statusInfoView.setText(statusInfoText);
}
@UiThread
private void refreshLastConnection() {
MailboxStatus status = viewModel.getStatus().getValue();
if (status != null) onMailboxStateChanged(status);
handler.postDelayed(this::refreshLastConnection, MIN_DATE_RESOLUTION);
if (refresher != null) {
handler.postDelayed(refresher, MIN_DATE_RESOLUTION);
}
}
}