[WEEX-271] Extend the pulldown WXRefreshComponent to support immediate load of the appear

• Type: Improvement
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 0.18
• Component/s: iOS
• Environment: iOS 8.0+
• Flags: Important
• Assignee: Adam Feng
• Reporter: mengjianjun
• Created: 30/Mar/18 02:24
• Updated: 04/Apr/18 10:04
• Resolved: 04/Apr/18 10:04

Description

WXRefreshComponent current only support the ②, shuold add new type of①. 

// ①refreshForAppear: load more when refresh component begin appear(if scroll is dragging or decelerating, should delay)

 // ②refreshForWholeVisible: load more until the whole refresh component visible

NSString *_refreshType;

Issue Links

• links to: GitHub Pull Request #1097