[Fix] Use toUpperCase(Locale) to make lint happy.

zhanghai · zhanghai · commit d63045a008d0 · 2019-11-23T01:04:36.000-08:00
diff --git a/sample/src/main/java/me/zhanghai/android/fastscroll/sample/LocaleListAdapter.java b/sample/src/main/java/me/zhanghai/android/fastscroll/sample/LocaleListAdapter.java
@@ -82,7 +82,7 @@ public void onBindViewHolder(@NonNull ViewHolder holder, int position) {
     @Override
     public String getPopupText(int position) {
         Locale locale = getItem(position);
-        return locale.toString().substring(0, 1).toUpperCase();
+        return locale.toString().substring(0, 1).toUpperCase(Locale.getDefault());
     }
 
     static class ViewHolder extends RecyclerView.ViewHolder {

Original file line number	Diff line number	Diff line change
`@@ -82,7 +82,7 @@ public void onBindViewHolder(@NonNull ViewHolder holder, int position) {`
`82`	`82`	`@Override`
`83`	`83`	`public String getPopupText(int position) {`
`84`	`84`	`Locale locale = getItem(position);`
`85`		`- return locale.toString().substring(0, 1).toUpperCase();`
	`85`	`+ return locale.toString().substring(0, 1).toUpperCase(Locale.getDefault());`
`86`	`86`	`}`
`87`	`87`
`88`	`88`	`static class ViewHolder extends RecyclerView.ViewHolder {`