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getItemCountでインスタンス変数の中身を軽くチェックするように

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r-ca 2024-01-29 01:56:57 +09:00
parent 9084613e38
commit 7086582fad
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1 changed files with 7 additions and 1 deletions
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8
component/viewer/src/main/java/one/nem/lacerta/component/viewer/ViewerViewPagerAdapter.java
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@ -34,7 +34,13 @@ public class ViewerViewPagerAdapter extends FragmentStateAdapter {
@Override
public int getItemCount() {
return fragmentTargetIdList == null ? 0 : fragmentTargetIdList.size();
if (fragmentTargetIdList == null || fragmentTitleList == null) {
return 0;
} else if (fragmentTargetIdList.size() != fragmentTitleList.size()) {
throw new IllegalStateException("fragmentTargetIdList.size() != fragmentTitleList.size()");
} else {
return fragmentTargetIdList.size();
}
}
@Nullable