Lifecycle aware popup menu

app/src/main/java/eu/faircode/email/PopupMenuLifecycle.java

@@ -0,0 +1,31 @@
+package eu.faircode.email;
+
+import android.content.Context;
+import android.view.View;
+
+import androidx.annotation.NonNull;
+import androidx.appcompat.widget.PopupMenu;
+import androidx.lifecycle.Lifecycle;
+import androidx.lifecycle.LifecycleObserver;
+import androidx.lifecycle.LifecycleOwner;
+import androidx.lifecycle.OnLifecycleEvent;
+
+public class PopupMenuLifecycle extends PopupMenu implements LifecycleObserver {
+    private LifecycleOwner owner;
+
+    public PopupMenuLifecycle(@NonNull Context context, LifecycleOwner owner, @NonNull View anchor) {
+        super(context, anchor);
+        this.owner = owner;
+    }
+
+    @Override
+    public void show() {
+        super.show();
+    }
+
+    @OnLifecycleEvent(Lifecycle.Event.ON_DESTROY)
+    public void onDestroy() {
+        this.dismiss();
+        owner = null;
+    }
+}