flutter_pulltorefresh

• Remake FrontStyle implements principle,Make it close to the first three styles,Fix some small problems also:
  1.when tap StatusBar,it will trigger refresh instead of scroll to top
  2.It seems odd to set aside 100 heights in front of scrollOffset for FrontStyle
  3.When hideWhenNotFull = false, dragging to pull down will cause loading together

• Remake RefreshPhysics,Simpify code,child support physics setting now.

• ClassicIndicator default refreshingIcon:in iOS use ActivityIndicator,in Android use CircularProgressIndicator

• Fix Bug:Multiples ScrollPositions shared one ScrollController,when calling controller.requestRefresh cause refresh together( such as keepAlive Widget )
• When the user Dragging ScrollView(pull up), disable make it change to loading state
• Add one new LoadStatus:failed(provide click to retry loading)
• Fix some defaultIcon:noMoreIcon default Invisible

• change "child" attr limit type from ScrollView to Widget

• Improving hideWhenNotFull judgment mechanism
• Fix triggerDistance error after 1.4.0-1.4.1

• Remove isNestedWrapped(deprecated from 1.3.8)
• Add headerInsertIndex attr in SmartRefresher
• Rename IndicatorConfiguration to RefreshConfiguration
• Move some attr from Indicator to RefreshConfiguration:offset,skipCanRefresh,triggerDistance,autoLoad,hideWhenNotFull
• Add decoration for classicIndicator(both header and footer)
• Add Fade effect for WaterDropHeader when dismiss
• Simplify reverse operation,Add MaterialClassicHeader,WaterDropMaterialHeader reverse feature

• Avoid inner inject padding by buildSlivers in child(ListView,GridView)
• Add initialRefresh in RefreshController(when you need to requestRefresh in initState)
• Fix exception RefreshBouncingPhysics velocity value
• Add IndicatorConfiguration for build indicator for subtrees SmartRefresher
• Add SkipCanRefresh,CompleteDuration attr in header
• Fix trigger more times loading when no data come in and too fast loadComplete
• remove center,anchor in CustomScrollView to Compatible with old versions

Temporary fix deadly bug: PrimaryScrollController cannot shared by multiple Indicators

• Adding an asSlivers constructor can be inserted into slivers as a Sliver
• Fix FrontStyle cannot support dynamic change enablePullDown
• Fix FrontStyle cannot enter refresh state when init
• Optimize indicator internal code to avoid locking widgets
• Fix iOS click status cannot roll back without ScrollController in child
• Fix one ignored situation after finish refresh -> completed(not in visual range)

• Fix NestedScrollView issue in 1.3.5
• decrease default triggerDistance from 100.0 to 80.0
• improve dragging scrolling speed of Front Style
• Add offset attr in Front Style

• Fixed the request Refresh problem: Sometimes it takes two times to be effective
• Add child key support
• Fix Bug:Pull-down triggers need to be pulled down more distances to trigger
• Add resetNoData to resume footer state to idle

• Fix WaterDropHeader some attributes invalid
• Fix enablePullUp and enablePullDown Dynamic set
• implements auto hide FooterView when less than one page,no need to set enablePullUp to false
• improve safety after disposed

• Add onClick CallBack for LoadIndicator
• Fix enablepullUp or down invalid
• Fix error Loading after 1.3.0 updated

Total

• Support reverse ScrollView
• Remove RefreshConfig,LoadConfig,Move to indicator setting
• Add isNestWrapped to Compatible NestedScrollView
• replace headerBuilder,footerBuilder attribute to header,footer
• Separate header and footer operations:onRefresh and onLoading Callback,RefreshStatus is separated into RefreshStatus.LoadStatus
• Fix Bug: twice loading (the footer state change before the ui update)

RefreshController

• Remove sendBack method,replaced by LoadComplete,RefreshComplete ,RefreshFailed,LoadNoData
• Separate refresh and load operations
• Add dispose method for Safety in some situation

Indicator

• Use another way to achieve drop-down refresh
• Add drop-down refresh indicator style(Follow,UnFollow,Behind)
• Add WaterDropIndicator,CustomIndicator
• Make Custom Indicator easily

• Fixed the problem that ScrollController was not applied to internal controls
• Optimize RefreshController
• RefreshController changed to required now
• Add feature:reuqestRefresh can jumpTo Bottom or Top
• Fix problem: Refresh can still be triggered when ScrollView is nested internally
• Remove rendered twice to get indicator height,replaced by using height attribute in Config
• change RefreshStatus from int to enum

• Fix problem of offsetChange
• Fix CustomScrollView didn't work
• Fix refreshIcon not reference in ClassialIndicator

• Fix contentList's item cannot be cached,Remove shrinkWrap,physics limit
• Fix onOffsetChange callback error,In completion, failure, refresh state is also callback
• Add unfollowIndicator implement in Demo(Example3)

• Make triigerDistance be equally vaild for LoadWrapper
• Add enableOverScroll attribute

Notice: This version of the code changes much, Api too

• Transfer state changes to Wrapper of indicator to reduce unnecessary interface refresh.
• No longer using Refreshmode or LoadMode,replaced int because the state is hard to determine.
• Now support the ScrollView in the reverse mode
• The indicators are divided into two categories, loadIndicator and refreshIndicator, and the two support header and footer
• provided a controller to invoke some essential operations inside.
• Move triggerDistance,completeTime such props to Config
• Add ClassicIndicator Convenient construction indicator

• Reproducing bottom indicator, no more manual drag to load more
• Control property values change more,Mainly:1.onModeChange => onRefreshChange,onLoadChange, 2.Add enableAutoLoadMore,3.Remove bottomVisiableRange

• Fix Bug1: The use of ListView as a container to cause a fatal error (continuous sliding) when the bottom control is reclaimed, using the SingleChildScrollView instead of preventing the base control from recovering many times from the exception
• Fix Bug2: When the user continues to call at the same time in the two states of pull-down and drop down, the animation has no callback problem when it enters or fails.