上期提到了使用Moya
作为网络基础模块,但是涉及到了一个sampleData
的问题,我们也是即时的提交了一个issue来质问这样的默认Response data
为什么类型竟然是Optional
的。Moya
的开发者举例:可以将上一次获取到的数据在需要的时候(网络请求失败)传入这里,所以进而给出建议:将var sampleData
改为var cachePolicy
进行缓存控制即可,缓存过期的时间由Server端使用Cache-control或Expires决定,目前有的回复是,作者觉得这个建议很棒,说不定有机会为Moya
加入缓存机制。接下来继续我们的开发计划:
推送服务
应当明确的是,每家公司用的推送第三方都是不同的(大部分是阿里云、极光、个推),所以继承第三方SDK这个事情不应该出现在框架中。框架仅仅负责申请推送能力即可。测试:在测试之前,Info.plist中所需要申请权限的Key需要自己手动配置。Xcode 8 后打开推送需要在程序中打开选项:
这样,如果是单单写权限的话,直接用之前我们引入的PermissionScope
就可以搞定了,Push的class可以写为open的,因为每个项目对Push的需求不同,所以在Push中我们顺便截获一下信息然后提供给用户,也很简单。所以获得推送权限的需求我们放到Permission.swift中。由于屏幕限制,所以Permission也最多允许大家同时打开3个权限。改写之前的Permission.swift
:
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import Foundation
import PermissionScope
public enum INSPermissionType {
case notification(Set<UIUserNotificationCategory>?, String)
case locationAlways(String)
case locationWhenInUse(String)
case contact(String)
case event(String)
case microphone(String)
case camera(String)
case photos(String)
case reminders(String)
case bluetooth(String)
case motion(String)
}
open class Permission {
open static let `default` = Permission()
static let pscope: PermissionScope = {
let permissionScope = PermissionScope()
// Default customs
permissionScope.headerLabel.text = "嗨,你好!"
permissionScope.bodyLabel.text = "在使用我们的应用之前\n我们需要你做一些事情:"
permissionScope.closeButtonTextColor = UIColor.clear
permissionScope.permissionButtonΒorderWidth = 0.5
permissionScope.permissionButtonCornerRadius = 2
/// 如果你希望更改权限开启按钮的英文,就需要自己配置本地化文件
/// 参考这里 https://github.com/nickoneill/PermissionScope/pull/12#issuecomment-96428580
return permissionScope
}()
open class func requestPermission(_ permissionTypes: [INSPermissionType], _ authChange: authClosureType? = nil, cancelled: cancelClosureType? = nil) {
for item in permissionTypes {
switch item {
case .notification(let categories, let message):
pscope.addPermission(NotificationsPermission(notificationCategories: categories), message: message)
continue
case .locationAlways(let message):
pscope.addPermission(LocationWhileInUsePermission(), message: message)
continue
case .locationWhenInUse(let message):
pscope.addPermission(LocationWhileInUsePermission(), message: message)
continue
case .contact(let message):
pscope.addPermission(ContactsPermission(), message: message)
continue
case .event(let message):
pscope.addPermission(EventsPermission(), message: message)
continue
case .microphone(let message):
pscope.addPermission(MicrophonePermission(), message: message)
continue
case .camera(let message):
pscope.addPermission(CameraPermission(), message: message)
continue
case .photos(let message):
pscope.addPermission(PhotosPermission(), message: message)
continue
case .reminders(let message):
pscope.addPermission(RemindersPermission(), message: message)
continue
case .bluetooth(let message):
pscope.addPermission(BluetoothPermission(), message: message)
continue
case .motion(let message):
pscope.addPermission(MotionPermission(), message: message)
continue
default:
continue
}
}
pscope.show(authChange, cancelled: cancelled)
}
}
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然后测试效果(别忘记在Info.plist中添加相关的请求权限的Key-Desc):
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let permissionTypes = [
INSPermissionType.notification(nil, "打开推送服务"),
INSPermissionType.camera("打开相机服务"),
INSPermissionType.photos("希望使用照片")
]
Permission.requestPermission(permissionTypes)
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原本计划是要写Push.swift进行截获数据的,但是总感觉这样做貌似不太合理。所以索性我们止只统计一下用户收到推送好了,在Push.swift中仅提供一个方法入口,把推送的内容传进来供我们内部处理。不要干涉AppDelegate处理推送了,而且在iOS10之后要做版本兼容,使用UNUserNotificationCenterDelegate
来处理推送,而且大多数第三方SDK都会有自己的处理方式。
所以在我们的Push.swift
中,我们先预留一些代码:
等会儿先看个东西:
好、继续写代码:
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final public class Push {
public static let `default` = Push()
public func DeviceToken(_ deviceToken: Data) {
}
public func ReceivedPushMessage (_ userInfo: [AnyHashable : Any]) {
}
private init() {
}
}
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简单的预留一些方法入口即可,不急着写,接着往下写日志上报(直接改造之前的Logger类):
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final public class INSLogger {
/// 默认为输出全部日志
public static let `default` = INSLogger()
/// 日志级别
public var level: LogLevel = .all
/// 是否上报崩溃
public var crashCollect: Bool = true
/// 日志输出
///
/// - parameter lev: 日志级别
/// - parameter content: 日志内容
public func printLog(_ lev: LogLevel, _ details: String, _ items: Any) {
guard level == .all || level == lev, ModeSwitcher.currentMode == .develope else {
return
}
print(lev.rawValue, details, "\n", items)
}
private var exception: NSException? = nil
public func setUncaughtException() {
NSSetUncaughtExceptionHandler {
let exception = $0
let name = exception.name
let reason = exception.reason ?? "Without system crash version."
let callStack = exception.callStackSymbols
let crashLog = "name:\(name)\nreason:\(reason)\ncallStack:\(callStack.joined(separator: "\n"))"
// TODO: 上报
}
}
}
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获取到崩溃的信息后,我们在这里加一个TODO
标签。 这里需要注意的是:框架外部如果也需要做日志捕获,那么需要先使用NSGetUncaughtExceptionHandler()
获取当前的捕获器,在自己的捕获成功之后也让别人的捕获成功。啊好累啊,这还不是完整的奔溃捕获,于是我们接着写代码(写代码到时无妨,主要是这里有一坑爹的事情,需要自己去查看解决,说明:无法把方法传入这些捕获方法,也附上气前一个链接中的代码):
慵懒的完善了signal
后(上边提到的不能使用C方法的问题自己去解决把,这里仅仅是展示,所以不写那么详细了):
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/// 设置异常捕获
public func setUncaughtException() {
NSSetUncaughtExceptionHandler {
let exception = $0
let name = exception.name
let reason = exception.reason ?? "Without system crash version."
let callStack = exception.callStackSymbols
let crashLog = "name:\(name)\nreason:\(reason)\ncallStack:\(callStack.joined(separator: "\n"))"
exception.raise()
// TODO: 上报
}
signal(SIGILL) {
let crashLog = "SignalRaisedException(\($0)): Illegal instruction (not reset when caught)"
// TODO: 上报
}
signal(SIGABRT) {
let crashLog = "SignalRaisedException(\($0)): Abort, abort()"
// TODO: 上报
}
signal(SIGFPE) {
let crashLog = "SignalRaisedException(\($0)): Floating point exception"
// TODO: 上报
}
signal(SIGBUS) {
let crashLog = "SignalRaisedException(\($0)): Bus Error"
// TODO: 上报
}
signal(SIGSEGV) {
let crashLog = "SignalRaisedException(\($0)): segmentation violation"
// TODO: 上报
}
signal(SIGSYS) {
let crashLog = "SignalRaisedException(\($0)): Bad argument to system call"
// TODO: 上报
}
signal(SIGPIPE) {
let crashLog = "SignalRaisedException(\($0)): Write on a pipe with no one to read it"
// TODO: 上报
}
}
public func unSetUncaughtException() {
NSSetUncaughtExceptionHandler(nil)
signal(SIGILL, SIG_DFL);
signal(SIGABRT, SIG_DFL);
signal(SIGFPE, SIG_DFL);
signal(SIGBUS, SIG_DFL);
signal(SIGSEGV, SIG_DFL);
signal(SIGSYS, SIG_DFL);
signal(SIGPIPE, SIG_DFL);
}
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这里只捕获了一部分signal,点进去自己看了解下,我之前也写过一篇关于日志捕获的文章,可以去找找。继续往下写:信息收集,新建swift文件Analytics.swift
,这里我只给出一部分思路(完整的Analytics又是一个独立的框架,建议参考的是开源的ZhugeIO):
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import Foundation
import LKDBHelper
let AnalyticsManagerFlushedFlagKey = "AnalyticsManagerFlushedFlagKey"
class AnalyticsItem: NSObject {
/// 事件名称
var eventName: String
/// 事件数据
var parameters: [String: Any]?
func toAnalytice() ->[String: String] {
return [eventName ?? "": "\(parameters ?? ["": ""])"]
}
init(_ eventName: String, _ parameters: [String: Any]? = nil) {
self.eventName = eventName
self.parameters = parameters
}
override static func getTableName() -> String {
return "AnalyticsItem"
}
}
final public class Analytics {
public static let `default` = Analytics()
public typealias FlushHandler = (_ info: [String], _ analyticsData: [[String: String]])->()
/// 设备唯一标识,默认是UUID
public var deviceIdentifier: String
/// 设备用户标识,以设备标识为准
public var userIdentifier: String
/// 上报间隔,会调用上报的方法,外部控制网络请求
public var flushInterval: Int = 10
/// 上报的回调方法
public var flushHandler: FlushHandler?
/// 存储准备上报的数组
private var analyticsItems: [AnalyticsItem] = []
/// 是否已经上报,通过检查本地值来确定
private var flushed: Bool
private var timer: Timer? = nil
/// 追踪事件
public func track(_ eventName: String, _ parameters: [String: Any]? = nil) {
if analyticsItems.count == 0 {
startTimer()
}
analyticsItems.append(AnalyticsItem(eventName, parameters))
}
/// 主动上报到服务器
public func flush() {
guard analyticsItems.count > 0, let handler = flushHandler else {
return
}
handler([deviceIdentifier, userIdentifier], analyticsItems.map { return $0.toAnalytice() })
stopTimer()
flushed = true
}
private func startTimer() {
stopTimer()
timer = Timer.init(timeInterval: TimeInterval(flushInterval), target: self, selector: "flush", userInfo: nil, repeats: true)
RunLoop.current.add(timer!, forMode: .commonModes)
}
private func stopTimer() {
timer?.invalidate()
timer = nil
analyticsItems.removeAll()
}
private func getLocalAnalyticsItem() {
AnalyticsItem.search(withWhere: nil).forEach {
[unowned self] in
self.analyticsItems.append($0 as! AnalyticsItem)
}
let dbHelper = AnalyticsItem.getUsingLKDBHelper()!
dbHelper.dropTable(with: AnalyticsItem.self)
}
public func setNeedsRestoreItems() {
analyticsItems.forEach { $0.saveToDB() }
analyticsItems.removeAll()
UserDefaults.standard.set(false, forKey: AnalyticsManagerFlushedFlagKey)
UserDefaults.standard.synchronize()
}
public func restoreItems() {
if flushed == false {
getLocalAnalyticsItem()
}
}
private func UIApplicationDidEnterBackground() {
setNeedsRestoreItems()
}
private func UIApplicationDidBecomeActive() {
self.flushed = UserDefaults.standard.bool(forKey: AnalyticsManagerFlushedFlagKey)
restoreItems()
}
private func addListener() {
NotificationCenter.default.addObserver(self, selector: "UIApplicationDidEnterBackground", name: .UIApplicationDidEnterBackground, object: nil)
NotificationCenter.default.addObserver(self, selector: "UIApplicationDidBecomeActive", name: .UIApplicationDidBecomeActive, object: nil)
}
private func removeListener() {
stopTimer()
NotificationCenter.default.removeObserver(self)
}
private init() {
self.deviceIdentifier = UUID().uuidString
self.userIdentifier = "iOS Device"
self.flushed = UserDefaults.standard.bool(forKey: AnalyticsManagerFlushedFlagKey)
restoreItems()
addListener()
}
deinit {
removeListener()
}
}
public let AnalyticsManager = Analytics.default
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完成之前的奔溃时日志上报
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// TODO: 上报
AnalyticsManager.track("CRASH", ["info": crashLog])
// 程序奔溃需要调用标记未上传
AnalyticsManager.setNeedsRestoreItems()
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写到这里,框架其实只有30%,只有结合业务才能做出与业务相匹配的框架,接下来就是Cache,我只给出代码框架:
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//存储引擎
public enum IDPStorageType {
case disk
case sql
}
//缓存策略
public enum IDPCacheStoragePolicy {
case memory
case disk
case memoryAndDisk
}
open class INSCache {
open static let `default` = INSCache()
open var _nameSpace: String = "INSCache"
open var _cacheStoragePolicy: IDPCacheStoragePolicy = .memoryAndDisk
open var _memoryCapacity: Float = 0
open var _memoryTotalCost: Float = 0
open var _diskExpiredTime: Int = 0
open func existCacheForKey(_ key: String) ->Bool {
return false
}
open func clearMemory() {
}
open func existCacheForKeyInMemory(_ key: String) ->Bool {
return false
}
open func existCacheForKeyOnDisk(_ key: String) ->Bool {
return false
}
open func setObject(_ data: AnyObject, for key: String) {
}
open func getObject(for key: String) ->AnyObject? {
return nil
}
open func objectForKeyOnlyInMemory(_ key: String) ->AnyObject? {
return nil
}
open func asyncObject(forKey key: String, _ handler: (AnyObject)->()) {
}
open func removeObjcet(for key: String) {
}
open func removeObjcetForKeyOnlyInMemory(_ key: String) {
}
open func removeAll () {
}
open func removeAllInMemory() {
}
open func removeAllInDisk() {
}
open class func removeNameSpace(_ spaceName: String) {
}
}
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包括模型的基类:
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open class Model: NSObject {
open var _ModelIdentifier: String?
open var _ModelUpdatedAt: Date?
open var _ModelCreatedAt: Date?
open var _ModelExpiredAt: Date?
open var _ModelNeedsCache: Bool?
open var _CurrentPage: Int = 0
open var _PageSize: Int = 10
open var _TotalCount: Int = 0
open var _StartAt: Int = 0
open func load() { }
open func refresh() { }
open func cancel() { }
open func goNextPage() { }
open func goPrevPage() { }
open func hasPrev() ->Bool{ return false }
open func hasNext() ->Bool{ return false }
public override init() {
}
}
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框架到这里就不说了,接下来有时间就会实际的在使用中一步步的优化框架,让框架适应业务。最近有点忙,开了算法课程,所以框架上边大部分东西都是懒得写,但是使用到的第三方库都建议大家去阅读源码(除ASDK以外)。希望会有所提升。代码地址。仅供作为Swift的语言熟悉,不作为框架教学。
欢迎来到这里!
我们正在构建一个小众社区,大家在这里相互信任,以平等 • 自由 • 奔放的价值观进行分享交流。最终,希望大家能够找到与自己志同道合的伙伴,共同成长。
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