[Fix] Make setViewHelper() return FastScrollerBuilder for chaining (#5)

drakeet · zhanghai · commit 92baf7d7f439 · 2019-11-23T00:47:02.000-08:00
diff --git a/library/src/main/java/me/zhanghai/android/fastscroll/FastScrollerBuilder.java b/library/src/main/java/me/zhanghai/android/fastscroll/FastScrollerBuilder.java
@@ -59,8 +59,10 @@ public FastScrollerBuilder(@NonNull ViewGroup view) {
         useDefaultStyle();
     }
 
-    public void setViewHelper(@Nullable FastScroller.ViewHelper viewHelper) {
+    @NonNull
+    public FastScrollerBuilder setViewHelper(@Nullable FastScroller.ViewHelper viewHelper) {
         mViewHelper = viewHelper;
+        return this;
     }
 
     @NonNull

Original file line number	Diff line number	Diff line change
`@@ -59,8 +59,10 @@ public FastScrollerBuilder(@NonNull ViewGroup view) {`
`59`	`59`	`useDefaultStyle();`
`60`	`60`	`}`
`61`	`61`
`62`		`- public void setViewHelper(@Nullable FastScroller.ViewHelper viewHelper) {`
	`62`	`+ @NonNull`
	`63`	`+ public FastScrollerBuilder setViewHelper(@Nullable FastScroller.ViewHelper viewHelper) {`
`63`	`64`	`mViewHelper = viewHelper;`
	`65`	`+ return this;`
`64`	`66`	`}`
`65`	`67`
`66`	`68`	`@NonNull`