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Code Issues Packages Projects Releases Wiki Activity

Safely reference parent fragment from adapters

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M66B
2019-07-01 09:30:07 +02:00
parent 0d5b1e2bac
commit 72db63e979
26 changed files with 303 additions and 89 deletions
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25
app/src/main/java/eu/faircode/email/AdapterAnswer.java
View File

@@ -31,7 +31,11 @@ import android.widget.TextView;
import androidx.annotation.NonNull;
import androidx.appcompat.widget.PopupMenu;
import androidx.fragment.app.Fragment;
import androidx.lifecycle.Lifecycle;
import androidx.lifecycle.LifecycleObserver;
import androidx.lifecycle.LifecycleOwner;
import androidx.lifecycle.OnLifecycleEvent;
import androidx.localbroadcastmanager.content.LocalBroadcastManager;
import androidx.recyclerview.widget.DiffUtil;
import androidx.recyclerview.widget.ListUpdateCallback;
@@ -41,6 +45,8 @@ import java.util.ArrayList;
import java.util.List;
public class AdapterAnswer extends RecyclerView.Adapter<AdapterAnswer.ViewHolder> {
private Fragment parentFragment;
private Context context;
private LifecycleOwner owner;
private LayoutInflater inflater;
@@ -160,12 +166,25 @@ public class AdapterAnswer extends RecyclerView.Adapter<AdapterAnswer.ViewHolder
}
}
AdapterAnswer(Context context, LifecycleOwner owner) {
this.context = context;
this.owner = owner;
AdapterAnswer(Fragment parentFragment) {
this.parentFragment = parentFragment;
this.context = parentFragment.getContext();
this.owner = parentFragment.getViewLifecycleOwner();
this.inflater = LayoutInflater.from(context);
setHasStableIds(true);
owner.getLifecycle().addObserver(new LifecycleObserver() {
@OnLifecycleEvent(Lifecycle.Event.ON_DESTROY)
public void onDestroyed() {
Log.i(AdapterAnswer.this + " parent destroyed");
AdapterAnswer.this.parentFragment = null;
AdapterAnswer.this.context = null;
AdapterAnswer.this.owner = null;
}
});
new SimpleTask<Boolean>() {
@Override
protected Boolean onExecute(Context context, Bundle args) {