今天想学习下如何监控设备的卡顿，不经意间发现了这个库。学习的同时顺便把源码分析了吧。
这个库主要是监控设备的一些信息。
基本代码
NSLog(@"All System Information: %@", [SystemServices sharedServices].allSystemInformation);
从上面的使用来看，入口是SystemServices类，我们就从SystemServices类开始分析
SystemServices
这个类是个单例类
// Singleton
+ (nonnull instancetype)sharedServices {
static SystemServices *sharedSystemServices = nil;
static dispatch_once_t onceToken;
dispatch_once(&onceToken, ^{
sharedSystemServices = [[self alloc] init];
});
return sharedSystemServices;
}
将所有信息都放入了字典中,重写get方法
@property (nonatomic, readonly, nullable) NSDictionary *allSystemInformation;
- (NSDictionary *)allSystemInformation {
return [self getAllSystemInformation];
}
主要调用下面函数
- (NSDictionary *)getAllSystemInformation {
// Create a dictionary
NSDictionary *systemInformationDict;
// Set up all System Values
NSString *systemUptime = [self systemsUptime];
NSString *deviceModel = [self deviceModel];
NSString *deviceName = [self deviceName];
NSString *systemName = [self systemName];
NSString *systemVersion = [self systemsVersion];
NSString *systemDeviceTypeFormattedNO = [self systemDeviceTypeNotFormatted];
NSString *systemDeviceTypeFormattedYES = [self systemDeviceTypeFormatted];
NSString *screenWidth = [NSString stringWithFormat:@"%ld", (long)[self screenWidth]];
NSString *screenHeight = [NSString stringWithFormat:@"%ld", (long)[self screenHeight]];
NSString *screenBrightness = [NSString stringWithFormat:@"%f", [self screenBrightness]];
NSString *multitaskingEnabled = ([self multitaskingEnabled]) ? @"Yes" : @"No";
NSString *proximitySensorEnabled = ([self proximitySensorEnabled]) ? @"Yes" : @"No";
NSString *debuggerAttached = ([self debuggerAttached]) ? @"Yes" : @"No";
NSString *pluggedIn = ([self pluggedIn]) ? @"Yes" : @"No";
NSString *stepCountingAvailable = ([self stepCountingAvailable]) ? @"Yes" : @"No";
NSString *distanceAvailable = ([self distanceAvailable]) ? @"Yes" : @"No";
NSString *floorCountingAvailable = ([self floorCountingAvailable]) ? @"Yes" : @"No";
NSString *jailbroken = [NSString stringWithFormat:@"%d", [self jailbroken]];
NSString *numberProcessors = [NSString stringWithFormat:@"%ld", (long)[self numberProcessors]];
NSString *numberActiveProcessors = [NSString stringWithFormat:@"%ld", (long)[self numberActiveProcessors]];
NSString *processorsUsage = [NSString stringWithFormat:@"%@", [self processorsUsage]];
NSString *accessoriesAttached = ([self accessoriesAttached]) ? @"Yes" : @"No";
NSString *headphonesAttached = ([self headphonesAttached]) ? @"Yes" : @"No";
NSString *numberAttachedAccessories = [NSString stringWithFormat:@"%ld", (long)[self numberAttachedAccessories]];
NSString *nameAttachedAccessories = [self nameAttachedAccessories];
NSString *carrierName = [self carrierName];
NSString *carrierCountry = [self carrierCountry];
NSString *carrierMobileCountryCode = [self carrierMobileCountryCode];
NSString *carrierISOCountryCode = [self carrierISOCountryCode];
NSString *carrierMobileNetworkCode = [self carrierMobileNetworkCode];
NSString *carrierAllowsVOIP = ([self carrierAllowsVOIP]) ? @"Yes" : @"No";
NSString *batteryLevel = [NSString stringWithFormat:@"%f", [self batteryLevel]];
NSString *charging = ([self charging]) ? @"Yes" : @"No";
NSString *fullyCharged = ([self fullyCharged]) ? @"Yes" : @"No";
NSString *currentIPAddress = [self currentIPAddress];
NSString *externalIPAddress = [self externalIPAddress];
NSString *cellIPAddress = [self cellIPAddress];
NSString *cellNetmaskAddress = [self cellNetmaskAddress];
NSString *cellBroadcastAddress = [self cellBroadcastAddress];
NSString *wiFiIPAddress = [self wiFiIPAddress];
NSString *wiFiNetmaskAddress = [self wiFiNetmaskAddress];
NSString *wiFiBroadcastAddress = [self wiFiBroadcastAddress];
NSString *wiFiRouterAddress = [self wiFiRouterAddress];
NSString *connectedToWiFi = ([self connectedToWiFi]) ? @"Yes" : @"No";
NSString *connectedToCellNetwork = ([self connectedToCellNetwork]) ? @"Yes" : @"No";
NSString *processID = [NSString stringWithFormat:@"%d", [self processID]];
NSString *diskSpace = [self diskSpace];
NSString *freeDiskSpaceNO = [self freeDiskSpaceinRaw];
NSString *freeDiskSpaceYES = [self freeDiskSpaceinPercent];
NSString *usedDiskSpaceNO = [self usedDiskSpaceinRaw];
NSString *usedDiskSpaceYES = [self usedDiskSpaceinPercent];
NSString *longDiskSpace = [NSString stringWithFormat:@"%lld", [self longDiskSpace]];
NSString *longFreeDiskSpace = [NSString stringWithFormat:@"%lld", [self longFreeDiskSpace]];
NSString *totalMemory = [NSString stringWithFormat:@"%f", [self totalMemory]];
NSString *freeMemoryNO = [NSString stringWithFormat:@"%f", [self freeMemoryinRaw]];
NSString *freeMemoryYES = [NSString stringWithFormat:@"%f", [self freeMemoryinPercent]];
NSString *usedMemoryNO = [NSString stringWithFormat:@"%f", [self usedMemoryinRaw]];
NSString *usedMemoryYES = [NSString stringWithFormat:@"%f", [self usedMemoryinPercent]];
NSString *activeMemoryNO = [NSString stringWithFormat:@"%f", [self activeMemoryinRaw]];
NSString *activeMemoryYES = [NSString stringWithFormat:@"%f", [self activeMemoryinPercent]];
NSString *inactiveMemoryNO = [NSString stringWithFormat:@"%f", [self inactiveMemoryinRaw]];
NSString *inactiveMemoryYES = [NSString stringWithFormat:@"%f", [self inactiveMemoryinPercent]];
NSString *wiredMemoryNO = [NSString stringWithFormat:@"%f", [self wiredMemoryinRaw]];
NSString *wiredMemoryYES = [NSString stringWithFormat:@"%f", [self wiredMemoryinPercent]];
NSString *purgableMemoryNO = [NSString stringWithFormat:@"%f", [self purgableMemoryinRaw]];
NSString *purgableMemoryYES = [NSString stringWithFormat:@"%f", [self purgableMemoryinPercent]];
NSString *deviceOrientation = [NSString stringWithFormat:@"%ld", (long)[self deviceOrientation]];
NSString *country = [self country];
NSString *language = [self language];
NSString *timeZone = [self timeZoneSS];
NSString *currency = [self currency];
NSString *applicationVersion = [self applicationVersion];
NSString *clipboardContent = [self clipboardContent];
NSString *cFUUID = [self cfuuid];
NSString *cPUUsage = [NSString stringWithFormat:@"%f", [self applicationCPUUsage]];
// Check to make sure all values are valid (if not, make them)
if (systemUptime == nil || systemUptime.length <= 0) {
// Invalid value
systemUptime = @"Unknown";
}
if (deviceModel == nil || deviceModel.length <= 0) {
// Invalid value
deviceModel = @"Unknown";
}
if (deviceName == nil || deviceName.length <= 0) {
// Invalid value
deviceName = @"Unknown";
}
if (systemName == nil || systemName.length <= 0) {
// Invalid value
systemName = @"Unknown";
}
if (systemVersion == nil || systemVersion.length <= 0) {
// Invalid value
systemVersion = @"Unknown";
}
if (systemDeviceTypeFormattedNO == nil || systemDeviceTypeFormattedNO.length <= 0) {
// Invalid value
systemDeviceTypeFormattedNO = @"Unknown";
}
if (systemDeviceTypeFormattedYES == nil || systemDeviceTypeFormattedYES.length <= 0) {
// Invalid value
systemDeviceTypeFormattedYES = @"Unknown";
}
if (screenWidth == nil || screenWidth.length <= 0) {
// Invalid value
screenWidth = @"Unknown";
}
if (screenHeight == nil || screenHeight.length <= 0) {
// Invalid value
screenHeight = @"Unknown";
}
if (screenBrightness == nil || screenBrightness.length <= 0) {
// Invalid value
screenBrightness = @"Unknown";
}
if (multitaskingEnabled == nil || multitaskingEnabled.length <= 0) {
// Invalid value
multitaskingEnabled = @"Unknown";
}
if (proximitySensorEnabled == nil || proximitySensorEnabled.length <= 0) {
// Invalid value
proximitySensorEnabled = @"Unknown";
}
if (debuggerAttached == nil || debuggerAttached.length <= 0) {
// Invalid value
debuggerAttached = @"Unknown";
}
if (pluggedIn == nil || pluggedIn.length <= 0) {
// Invalid value
pluggedIn = @"Unknown";
}
if (stepCountingAvailable == nil || stepCountingAvailable.length <= 0) {
// Invalid value
stepCountingAvailable = @"Unknown";
}
if (distanceAvailable == nil || distanceAvailable.length <= 0) {
// Invalid value
distanceAvailable = @"Unknown";
}
if (floorCountingAvailable == nil || floorCountingAvailable.length <= 0) {
// Invalid value
floorCountingAvailable = @"Unknown";
}
if (jailbroken == nil || jailbroken.length <= 0) {
// Invalid value
jailbroken = @"Unknown";
}
if (numberProcessors == nil || numberProcessors.length <= 0) {
// Invalid value
numberProcessors = @"Unknown";
}
if (numberActiveProcessors == nil || numberActiveProcessors.length <= 0) {
// Invalid value
numberActiveProcessors = @"Unknown";
}
if (processorsUsage == nil || processorsUsage.length <= 0) {
// Invalid value
processorsUsage = @"Unknown";
}
if (accessoriesAttached == nil || accessoriesAttached.length <= 0) {
// Invalid value
accessoriesAttached = @"Unknown";
}
if (headphonesAttached == nil || headphonesAttached.length <= 0) {
// Invalid value
headphonesAttached = @"Unknown";
}
if (numberAttachedAccessories == nil || numberAttachedAccessories.length <= 0) {
// Invalid value
numberAttachedAccessories = @"Unknown";
}
if (nameAttachedAccessories == nil || nameAttachedAccessories.length <= 0) {
// Invalid value
nameAttachedAccessories = @"Unknown";
}
if (carrierName == nil || carrierName.length <= 0) {
// Invalid value
carrierName = @"Unknown";
}
if (carrierCountry == nil || carrierCountry.length <= 0) {
// Invalid value
carrierCountry = @"Unknown";
}
if (carrierMobileCountryCode == nil || carrierMobileCountryCode.length <= 0) {
// Invalid value
carrierMobileCountryCode = @"Unknown";
}
if (carrierISOCountryCode == nil || carrierISOCountryCode.length <= 0) {
// Invalid value
carrierISOCountryCode = @"Unknown";
}
if (carrierMobileNetworkCode == nil || carrierMobileNetworkCode.length <= 0) {
// Invalid value
carrierMobileNetworkCode = @"Unknown";
}
if (carrierAllowsVOIP == nil || carrierAllowsVOIP.length <= 0) {
// Invalid value
carrierAllowsVOIP = @"Unknown";
}
if (batteryLevel == nil || batteryLevel.length <= 0) {
// Invalid value
batteryLevel = @"Unknown";
}
if (charging == nil || charging.length <= 0) {
// Invalid value
charging = @"Unknown";
}
if (fullyCharged == nil || fullyCharged.length <= 0) {
// Invalid value
fullyCharged = @"Unknown";
}
if (currentIPAddress == nil || currentIPAddress.length <= 0) {
// Invalid value
currentIPAddress = @"Unknown";
}
if (externalIPAddress == nil || externalIPAddress.length <= 0) {
// Invalid value
externalIPAddress = @"Unknown";
}
if (cellIPAddress == nil || cellIPAddress.length <= 0) {
// Invalid value
cellIPAddress = @"Unknown";
}
if (cellNetmaskAddress == nil || cellNetmaskAddress.length <= 0) {
// Invalid value
cellNetmaskAddress = @"Unknown";
}
if (cellBroadcastAddress == nil || cellBroadcastAddress.length <= 0) {
// Invalid value
cellBroadcastAddress = @"Unknown";
}
if (wiFiIPAddress == nil || wiFiIPAddress.length <= 0) {
// Invalid value
wiFiIPAddress = @"Unknown";
}
if (wiFiNetmaskAddress == nil || wiFiNetmaskAddress.length <= 0) {
// Invalid value
wiFiNetmaskAddress = @"Unknown";
}
if (wiFiBroadcastAddress == nil || wiFiBroadcastAddress.length <= 0) {
// Invalid value
wiFiBroadcastAddress = @"Unknown";
}
if (wiFiRouterAddress == nil || wiFiRouterAddress.length <= 0) {
// Invalid value
wiFiRouterAddress = @"Unknown";
}
if (connectedToWiFi == nil || connectedToWiFi.length <= 0) {
// Invalid value
connectedToWiFi = @"Unknown";
}
if (connectedToCellNetwork == nil || connectedToCellNetwork.length <= 0) {
// Invalid value
connectedToCellNetwork = @"Unknown";
}
if (processID == nil || processID.length <= 0) {
// Invalid value
processID = @"Unknown";
}
if (diskSpace == nil || diskSpace.length <= 0) {
// Invalid value
diskSpace = @"Unknown";
}
if (freeDiskSpaceNO == nil || freeDiskSpaceNO.length <= 0) {
// Invalid value
freeDiskSpaceNO = @"Unknown";
}
if (freeDiskSpaceYES == nil || freeDiskSpaceYES.length <= 0) {
// Invalid value
freeDiskSpaceYES = @"Unknown";
}
if (usedDiskSpaceNO == nil || usedDiskSpaceNO.length <= 0) {
// Invalid value
usedDiskSpaceNO = @"Unknown";
}
if (usedDiskSpaceYES == nil || usedDiskSpaceYES.length <= 0) {
// Invalid value
usedDiskSpaceYES = @"Unknown";
}
if (longDiskSpace == nil || longDiskSpace.length <= 0) {
// Invalid value
longDiskSpace = @"Unknown";
}
if (longFreeDiskSpace == nil || longFreeDiskSpace.length <= 0) {
// Invalid value
longFreeDiskSpace = @"Unknown";
}
if (totalMemory == nil || totalMemory.length <= 0) {
// Invalid value
totalMemory = @"Unknown";
}
if (freeMemoryNO == nil || freeMemoryNO.length <= 0) {
// Invalid value
freeMemoryNO = @"Unknown";
}
if (freeMemoryYES == nil || freeMemoryYES.length <= 0) {
// Invalid value
freeMemoryYES = @"Unknown";
}
if (usedMemoryNO == nil || usedMemoryNO.length <= 0) {
// Invalid value
usedMemoryNO = @"Unknown";
}
if (usedMemoryYES == nil || usedMemoryYES.length <= 0) {
// Invalid value
usedMemoryYES = @"Unknown";
}
if (activeMemoryNO == nil || activeMemoryNO.length <= 0) {
// Invalid value
activeMemoryNO = @"Unknown";
}
if (activeMemoryYES == nil || activeMemoryYES.length <= 0) {
// Invalid value
activeMemoryYES = @"Unknown";
}
if (inactiveMemoryNO == nil || inactiveMemoryNO.length <= 0) {
// Invalid value
inactiveMemoryNO = @"Unknown";
}
if (inactiveMemoryYES == nil || inactiveMemoryYES.length <= 0) {
// Invalid value
inactiveMemoryYES = @"Unknown";
}
if (wiredMemoryNO == nil || wiredMemoryNO.length <= 0) {
// Invalid value
wiredMemoryNO = @"Unknown";
}
if (wiredMemoryYES == nil || wiredMemoryYES.length <= 0) {
// Invalid value
wiredMemoryYES = @"Unknown";
}
if (purgableMemoryNO == nil || purgableMemoryNO.length <= 0) {
// Invalid value
purgableMemoryNO = @"Unknown";
}
if (purgableMemoryYES == nil || purgableMemoryYES.length <= 0) {
// Invalid value
purgableMemoryYES = @"Unknown";
}
if (deviceOrientation == nil || deviceOrientation.length <= 0) {
// Invalid value
deviceOrientation = @"Unknown";
}
if (country == nil || country.length <= 0) {
// Invalid value
country = @"Unknown";
}
if (language == nil || language.length <= 0) {
// Invalid value
language = @"Unknown";
}
if (timeZone == nil || timeZone.length <= 0) {
// Invalid value
timeZone = @"Unknown";
}
if (currency == nil || currency.length <= 0) {
// Invalid value
currency = @"Unknown";
}
if (applicationVersion == nil || applicationVersion.length <= 0) {
// Invalid value
applicationVersion = @"Unknown";
}
if (clipboardContent == nil || clipboardContent.length <= 0) {
// Invalid value
clipboardContent = @"Unknown";
}
if (cFUUID == nil || cFUUID.length <= 0) {
// Invalid value
cFUUID = @"Unknown";
}
if (cPUUsage == nil || cPUUsage.length <= 0) {
// Invalid value
cPUUsage = @"Unknown";
}
// Get all Information in a dictionary
systemInformationDict = [NSDictionary dictionaryWithObjects:[NSArray arrayWithObjects:
systemUptime,
deviceModel,
deviceName,
systemName,
systemVersion,
systemDeviceTypeFormattedNO,
systemDeviceTypeFormattedYES,
screenWidth,
screenHeight,
screenBrightness,
multitaskingEnabled,
proximitySensorEnabled,
debuggerAttached,
pluggedIn,
stepCountingAvailable,
distanceAvailable,
floorCountingAvailable,
jailbroken,
numberProcessors,
numberActiveProcessors,
processorsUsage,
accessoriesAttached,
headphonesAttached,
numberAttachedAccessories,
nameAttachedAccessories,
carrierName,
carrierCountry,
carrierMobileCountryCode,
carrierISOCountryCode,
carrierMobileNetworkCode,
carrierAllowsVOIP,
batteryLevel,
charging,
fullyCharged,
currentIPAddress,
externalIPAddress,
cellIPAddress,
cellNetmaskAddress,
cellBroadcastAddress,
wiFiIPAddress,
wiFiNetmaskAddress,
wiFiBroadcastAddress,
wiFiRouterAddress,
connectedToWiFi,
connectedToCellNetwork,
processID,
diskSpace,
freeDiskSpaceNO,
freeDiskSpaceYES,
usedDiskSpaceNO,
usedDiskSpaceYES,
longDiskSpace,
longFreeDiskSpace,
totalMemory,
freeMemoryNO,
freeMemoryYES,
usedMemoryNO,
usedMemoryYES,
activeMemoryNO,
activeMemoryYES,
inactiveMemoryNO,
inactiveMemoryYES,
wiredMemoryNO,
wiredMemoryYES,
purgableMemoryNO,
purgableMemoryYES,
deviceOrientation,
country,
language,
timeZone,
currency,
applicationVersion,
clipboardContent,
cFUUID,
cPUUsage,
nil]
forKeys:[NSArray arrayWithObjects:
@"Uptime (dd hh mm)",
@"DeviceModel",
@"DeviceName",
@"SystemName",
@"SystemVersion",
@"SystemDeviceType",
@"SystemDeviceType Formatted",
@"ScreenWidth",
@"ScreenHeight",
@"ScreenBrightness",
@"MultitaskingEnabled",
@"ProximitySensorEnabled",
@"DebuggerAttached",
@"PluggedIn",
@"StepCountingAvailable",
@"DistanceAvailable",
@"FloorCountingAvailable",
@"Jailbroken",
@"NumberProcessors",
@"NumberActiveProcessors",
@"ProcessorsUsage",
@"AccessoriesAttached",
@"HeadphonesAttached",
@"NumberAttachedAccessories",
@"NameAttachedAccessories",
@"CarrierName",
@"CarrierCountry",
@"CarrierMobileCountryCode",
@"CarrierISOCountryCode",
@"CarrierMobileNetworkCode",
@"CarrierAllowsVOIP",
@"BatteryLevel",
@"Charging",
@"FullyCharged",
@"CurrentIPAddress",
@"External IP Address",
@"CellIPAddress",
@"CellNetmaskAddress",
@"CellBroadcastAddress",
@"WiFiIPAddress",
@"WiFiNetmaskAddress",
@"WiFiBroadcastAddress",
@"WiFiRouterAddress",
@"ConnectedToWiFi",
@"ConnectedToCellNetwork",
@"ProcessID",
@"DiskSpace",
@"FreeDiskSpace (Not Formatted)",
@"FreeDiskSpace (Formatted)",
@"UsedDiskSpace (Not Formatted)",
@"UsedDiskSpace (Formatted)",
@"LongDiskSpace",
@"LongFreeDiskSpace",
@"TotalMemory",
@"FreeMemory (Not Formatted)",
@"FreeMemory (Formatted)",
@"UsedMemory (Not Formatted)",
@"UsedMemory (Formatted)",
@"ActiveMemory (Not Formatted)",
@"ActiveMemory (Formatted)",
@"InactiveMemory (Not Formatted)",
@"InactiveMemory (Formatted)",
@"WiredMemory (Not Formatted)",
@"WiredMemory (Formatted)",
@"PurgableMemory (Not Formatted)",
@"PurgableMemory (Formatted)",
@"DeviceOrientation",
@"Country",
@"Language",
@"TimeZone",
@"Currency",
@"ApplicationVersion",
@"ClipboardContent",
@"CFUUID",
@"CPUUsage",
nil]];
// Check if Dictionary is populated
if (systemInformationDict.count <= 0) {
// Error, Dictionary is empty
return nil;
}
// Successful
return systemInformationDict;
}
这个函数就是依次获取系统信息放入到数组中。
其实主要学习是如何获取系统信息的。往下重要
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