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fix crash when recycler view is null

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sk
2023-01-23 12:23:15 +01:00
parent 1b23ef31d5
commit dab0c560e9
1 changed files with 3 additions and 1 deletions
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4
mastodon/src/main/java/org/joinmastodon/android/fragments/IsOnTop.java
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@@ -1,11 +1,13 @@
package org.joinmastodon.android.fragments; package org.joinmastodon.android.fragments;
import androidx.annotation.Nullable;
import androidx.recyclerview.widget.RecyclerView; import androidx.recyclerview.widget.RecyclerView;
public interface IsOnTop { public interface IsOnTop {
boolean isOnTop(); boolean isOnTop();
default boolean isRecyclerViewOnTop(RecyclerView list) { default boolean isRecyclerViewOnTop(@Nullable RecyclerView list) {
if (list == null) return true;
return !list.canScrollVertically(-1); return !list.canScrollVertically(-1);
} }
} }