我们的应用程序是一个会议组织者,它根据FreeTime,Conflicts和Meeting TimeBlocks向用户显示他们的原生iOS日历事件.我可以访问几个崩溃用户的日历.

Apple SigTrap定义

Swift code will terminate with this exception type if an unexpected
condition is encountered at runtime such as:

• a non-optional type with a nil value
• a Failed forced type conversion

崩溃功能

/**
    Updates the conflictHours and meetingHours according to the timeblocks
    it is used as quick light reference to the button
 */
func updateTimeHours(timeblocks : [Timeblock]) {
    for timeblock in timeblocks {
        switch timeblock {
        case is MeetingTimeblock:
            for i in timeblock.startHour...timeblock.endHour {
                self.meetingHours[i] = true
            }
            break
        case is ConflictTimeblock:
            for i in timeblock.startHour...timeblock.endHour {
                self.conflictsHours[i] = true
            }
            break
        default: break
        }
    }
    updateButtonByOffset(offset: self.scrollTimeline.contentOffset.x)
}

召唤崩溃函数

/**
    This function inits the variables and button layout according to the timeblocks
 */
func handleTimeblocksDependantComponents() {
    buttonLayout()
    guard Scheduler.sharedInstance.timelines.count > SharedGlobals.Calendar.TODAY_INDEX else {
        return
    }
    updateTimeHours(timeblocks : (Scheduler.sharedInstance.timelines[SharedGlobals.Calendar.TODAY_INDEX].timeblocks))
}

SetHeaderHeight

/**
 Adjusts the height of the header depending on whether there are hosted meetings or 
 meeting VIP's or not.
*/
private func setHeaderHeight() {
    self.tableView.tableHeaderView = self.headerView
    let hostedMeetings = OverviewInteractor.getHostedMeetings(dayIndex: SharedGlobals.Calendar.SELECTED_DAY)
    let vips = OverviewInteractor.getVIPS(dayIndex: SharedGlobals.Calendar.SELECTED_DAY)

    self.tableView.beginUpdates()
    if let headerView = self.tableView.tableHeaderView {
        var height = 360.0
        if(vips.count == 0) { height -= 80.0 }
        if(hostedMeetings.count == 0) { height -= 80.0 }
        headerView.frame.size.height = CGFloat(height)
    }
    self.tableView.endUpdates()

}

TimeBlock定义

// The Timeblock parent class. It simply holds a start and end time and provides its own duration. Not to be used as such
public class Timeblock {
    public let startTime: Date
    public let endTime: Date

    /// Returns the hour the Timeblock starts,in current timezone
    public var startHour: Int {
        get {
            return Calendar.current.component(.hour,from: startTime)
        }
    }

    /// Returns the hour the Timeblocks ends,in current timezone
    public var endHour: Int {
        get {
            return Calendar.current.component(.hour,from: endTime)
        }
    }

    /// Returns the minutes the Timeblocks starts
    public var startMinutes: Int {
        get {
            return Calendar.current.component(.minute,from: startTime)
        }
    }

    /// Returns the minutes the Timeblocks ends
    public var endMinutes: Int {
        get {
            return Calendar.current.component(.minute,from: endTime)
        }
    }

    /**
        Initialises the instance with a start and end time
        - Parameters:
            - startTime: The start time of the timeblock
            - endTime: The end time of the timeblock
    */
    public init(startTime: Date,endTime: Date) {
        self.startTime = startTime
        self.endTime = endTime
    }

    /**
        Provides the Timeblock's duration in the form of a DateInterval
        - warning: Only available on iOS 10.0 and up
        - returns: A DateInterval of the duration of the Timeblock
    */
    @available(iOS 10.0,*)
    public func getTimeInterval() -> DateInterval {
        return DateInterval(start: self.startTime,end: self.endTime)
    }

    /**
        Provides the Timeblock's duration in the form of a `Double` (number of seconds)

        - returns: The number of seconds that this Timeblock goes on for
    */
    public func getDuration() -> Double {
        return self.endTime.timeIntervalSince(self.startTime)
    }

}

崩溃报告

Incident Identifier: 98D4F477-C57B-4767-B957-E9EA2E0EE3EA
CrashReporter Key: 0000000000000000000000000000000000000000 Hardware
Model: undefined Process: xxxxxxx [784] Identifier:
com.xxx.xxx.xx.xxxxxxx Version: 4.0.3 Code Type:
arm64

Date/Time: Sun Dec 24 2017 09:55:23 GMT+0000 (GMT) Launch
Time: Invalid Date OS Version: undefined 11.0.3
(15A432) Report Version: 105

Exception Type: SIGTRAP Exception Subtype: undefined

Thread 0 name: Thread 0 Crashed: 0 CallIn
0x0000000102c224e4 specialized
TimelineHeader.updateTimeHours(timeblocks:) (TimelineHeader.swift:0) 1
CallIn 0x0000000102c20af0
TimelineHeader.handleTimeblocksDependantComponents()
(TimelineHeader.swift:0) 2 CallIn
0x0000000102c7a28c specialized
MeetingTableViewController.tableView(:viewForHeaderInSection:)
(TimelineHeader.swift:78) 3 CallIn
0x0000000102c75d54 @objc
MeetingTableViewController.tableView(:viewForHeaderInSection:)
(MeetingTableViewController.swift:0) 4 UIKit
0x000000018d1157d8 -[UITableView _delegateViewForHeaderInSection:]
(UIKit) 5 UIKit 0x000000018d11def0
96-[UITableView _sectionHeaderView:withFrame:forSection:floating:reuseViewIfPossible:willDisplay:]_block_invoke
(UIKit) 6 UIKit 0x000000018cdf1a14
+[UIView(Animation) performWithoutAnimation:] (UIKit) 7 UIKit 0x000000018d11dc60 -[UITableView
_sectionHeaderView:withFrame:forSection:floating:reuseViewIfPossible:willDisplay:]
(UIKit) 8 UIKit 0x000000018cfc6c04
-[_UITableViewUpdateSupport(Private) _setupAnimationsForExistingHeadersAndFooters] (UIKit) 9 UIKit 0x000000018cfc1070 -[_UITableViewUpdateSupport _setupAnimations]
(UIKit) 10 UIKit 0x000000018cfc0944
-[UITableView _updateWithItems:updateSupport:] (UIKit) 11 UIKit 0x000000018cfa8448 -[UITableView endCellAnimationsWithContext:]
(UIKit) 12 UIKit 0x000000018cfa46e4
-[UITableView endUpdates] (UIKit) 13 CallIn 0x0000000102c761a4 MeetingTableViewController.setHeaderHeight()
(MeetingTableViewController.swift:398) 14 CallIn
0x0000000102c7a7c8 specialized closure #1 in
MeetingTableViewController.refreshTable(