autolayout
http://www.cocoachina.com/ios/20150526/11938.html
http://www.cocoachina.com/ios/20150422/11632.html
http://www.cocoachina.com/ios/
ios alert view
http://blog.csdn.net/axing1991/article/details/45361495
ios ble
http://www.jianshu.com/p/84b5b834b942#
ios checkbox implementation
http://jingyan.baidu.com/article/7c6fb42860073c80642c90e9.html
ios http request cannot be used
http://www.cnblogs.com/harry-h/p/6010193.html
ios navigation controller
http://www.cnblogs.com/harry-h/p/6010193.html
Judgment before ios storyboard page jump
http://blog.csdn.net/pz0605/article/details/50686332
ios table view
http://www.jianshu.com/p/f30eab24401f
http://blog.csdn.net/hopedark/article/details/9095203
Remove the dividing line between cells
tableView.separatorStyle = NO;
ios report
http://hao.jobbole.com/ios-charts/
ios circular progress bar
ios basic controlshttp
://blog.csdn.net/xmxkf/article/details/51283060
Getting
startedhttp://blog.csdn.net/u011537073/article/details/51999731
ios ble
http://www.jianshu.com/p/84b5b834b942#
IOS side sliding menu problem
RESideMenu
ios third-party login integration
facebook
http://www.jianshu.com/p/043974c1b081
google
http://www.jianshu.com/p/56c4ad6e3c66
ios third-party open source library
http://www.cnblogs.com/oc-bowen/p/5257429.html
http://www.jianshu.com/p/207a3879c41f
http://blog.csdn.net/lvxiangan/article /details/49332913
ios multi-threaded
GCD
http://www.cocoachina.com/ios/20161031/17887.html
ios control border added
http://blog.csdn.net/u012701023/article/details/50436244
ios global constant class
http://blog.csdn.net/wengyupeng/article/details/44902239
How ios introduces the library
http://jingyan.baidu.com/article/77b8dc7fe4e2046174eab6bc.html
ios entry learning knowledge base
http://www.cnblogs.com/kenshincui/p/3985090.html
ios hex color setting extension
http://blog.csdn.net/lvxiangan/article/details/50637292
ios gesture recognition
http://www.open-open.com/lib/view/open1435284827732.html
About the automatic record of drinking water: drag to select the idea of drinking water
Add UIView
in viewController Add UIView (tick mark) in UIView, UIlable (tick value) - make scale
Next, add a UIView (the background is the color of water, and the size can exceed the length of the scale)
, and then move the UIView by dragging the picture of the drinking word, and then judge the amount of drinking water according to the total moving distance
ios data storage
sandbox directory
Bundle
Documents
Library/Caches
Library/Preference
tmp
Storage method
XML attribute list - PList (NSArray, NSDictionary is directly written to the attribute list file, NSString, NSData is written to
the corresponding file) - Supported data types: Array, Dictionary, Boolean, Date, Number, String. Does not support custom objects
NSKeyedArchiver Archive/Restore
- support custom objects (implement NSCoding), properties are basic data types or object instances that implement NSCoding protocol -
NSString, NSDictionary, NSArray, NSData, NSNumber
Preference (preference settings)
-NSUserDefaults *defaults = [NSUserDefaults standardUserDefaults];
SQLite3
Core Data
ios refresh UI problem
http://www.cnblogs.com/wangxiaorui/p/5390088.html
ios notification
http://blog.csdn.net/zm53373581/article/details/49735507
ios web request
http://www.open-open.com/lib/view/open1355055986679.html
ios network request framework
YTKNetwork
http://blog.csdn.net/majiakun1/article/details/49075859
http://blog.csdn.net/zh952016281/article/details/50855369
http://www.jianshu.com/p/77893b21222c
ios text underline
http://blog.csdn.net/chaoyuan899/article/details/38306141
ios project structure
http://blog.csdn.net/sbvfhp/article/details/47907767
http://www.cocoachina.com/ios/20140930/9810.html
http://www.cocoachina.com/bbs/read .php?tid=195150
Passing values between ios pageshttp
://blog.csdn.net/leikezhu1981/article/details/40018415
ios page jump
http://blog.csdn.net/chwow/article/details/49966081
返回
[self dismissViewControllerAnimated:YES completion:nil];
Page jump value
http://blog.csdn.net/scodefarmery/article/details/47279849
//Page jump problem
http://www.cnblogs.com/anywherego/p/3542202.html
ios status bar, get the width and height of the navigation bar
http://www.open-open.com/code/view/1423815058045/
ios resource website
http://www.open-open.com/solution/view/1440034002708
http://www.open-open.com/lib/view/open1435284827732.html
http://www.open-open.com /lib/view/open1442664670352.html
ios custom alertView
http://www.cnblogs.com/adampei-bobo/p/5414975.html
//Another idea
UIView draws the progress for the background, and UILabel is used to display the data in the front