fix crash when recycler view is null

2023-01-23 12:23:15 +01:00
parent 1b23ef31d5
commit dab0c560e9
1 changed files with 3 additions and 1 deletions
--- a/mastodon/src/main/java/org/joinmastodon/android/fragments/IsOnTop.java
+++ b/mastodon/src/main/java/org/joinmastodon/android/fragments/IsOnTop.java
@@ -1,11 +1,13 @@
 package org.joinmastodon.android.fragments;

+import androidx.annotation.Nullable;
 import androidx.recyclerview.widget.RecyclerView;

 public interface IsOnTop {
    boolean isOnTop();

-    default boolean isRecyclerViewOnTop(RecyclerView list) {
+    default boolean isRecyclerViewOnTop(@Nullable RecyclerView list) {
+        if (list == null) return true;
        return !list.canScrollVertically(-1);
    }
 }