Shared resources between IOS threads add exclusive lock

#import "ViewController.h" @interface Viewcontroller () @property (Nonatomic,strong) Nsthread *thread1; @property (Nonatomic,strong) Nsthread *thread2; @property (Nonatomic,strong) Nsthread *thread3; Remaining tickets @property (nonatomic,assign)

Singleton mode under IOS ARC

#import @interface rysingleexample:nsobject + (instancetype) singleexample; @end#import "RYSingleExample.h" Static ID _single; @implementation Rysingleexample + (Instancetype) singleexample { if (_single==nil) { @synchronized (self) { if

Use of shape in Android

http://kofi1122.blog.51cto.com/2815761/521605Shape is often used in Android to define some of the display properties of a control, and today we see some shape's use, with a general understanding of shape and a little summary:Let's look at the

How to make your app smaller

Factors that affect the size of the app:The first big factor: Look at your app page using Storyboard,xib, code that kind. Your code is implemented with storyboard, then the app reaches 30M is normal, unless you have very few pages. If your page is

Android Life cycle function Execution order

Reprinted from: http://blog.csdn.net/intheair100/article/details/39061473Program starts normally:onCreate ()->onstart ()->onresume ();After the OnCreate executes the onstart, the screen is displayed, but it cannot be interacted with, and then

iOS development-Simple Factory mode

Design patterns are a set of reusable, most known, categorized purposes, code design experience Summary. Design patterns are designed to reuse code, make code easier for others to understand, and ensure code reliability. The concept is very long,

method for automatically calculating the width and height of a label in IOS7

1 #import "ViewController.h"2 3 @implementationViewcontroller4 5- (void) Viewdidload {6 [Super Viewdidload];7 8 //Calculates the height of a label based on a fixed width9 [self sizetolabelheight];Ten One //calculates the width of a

An analysis of Android Context

A: What is the context?The explanations in CONTEXT,SDK are as follows: interface to global information on an application environment. This was an abstract class whose implementation are provided by the Android system.it allows access to

iOS Network monitoring-bmreachability

1. What ' s bmreachability?Bmreachability monitors the reachability of domains for both WWAN and WiFi network interfaces. This was a drop-in replacement for afnetworking ' s reachability class. It is arc-compatible, and it uses the delegate methods

ios--Adding a shadow to a view

ios– Adding a shadow to a view: View add rounded corners, adding shadowsYin Movie Figure Self. Viewshadow= [[UIView alloc]initwithframe:cgrectmake (0,0, -, -)];Self. Viewshadow. BackgroundColor= [Uicolor Redcolor];Self. Viewshadow. Layer.

Summary of common methods for Uialertview (warning box) in iOS

First, initialization Method-(Instancetype) Initwithtitle: (NSString *) title message: (nsstring*) message delegate: (ID/**/) Delegate Cancelbuttontitle: (NSString *) cancelbuttontitle otherbuttontitles: (NSString *) Otherbuttontitles, ...;This

Uitextview limit maximum input words in IOS

Code showing the maximum number of input words Uitextview1-(BOOL) TextView: (Uitextview *) TextView Shouldchangetextinrange: (nsrange) Range Replacementtext: (NSString *) Text2 {3 //If the deletion reduces the number of words, all returns allow

Summary of common properties and methods for Uipickerview in iOS

Uipickerview is a native selector control in iOS that is easy to use, simple in usage, and beautifully effective.@property (nonatomic,assign) id DataSource;@property (nonatomic,assign) id delegate;Set up data sources and proxies@property (nonatomic)

iOS development-Advanced ui-gesture Unlock

First, gesture unlock analysis1. Build the interface (a full screen uiview and a smaller view)2. Create a new class Njlockview, set the class of the smaller view to NjlockviewIn the NJLOCKVIEW.MWhen the view is created from code, it calls

Common properties and methods for iOS development Uiscrollview

First, ScrollView common methods and properties@property (nonatomic) Cgpoint contentoffset;Set the offset of the scroll@property (nonatomic) cgsize contentsize;Setting the slide area@property (nonatomic,assign) id delegate;Set up a proxy for

Fe Mobile-Blog Learning Link 1

Summary of technical points of 1--webapp development:[Transfer from]:http://www.css119.com/archives/14362--webapp Development Tips (mobile Website development considerations)[Transfer from]:http://www.css119.com/archives/10423--Mobile Learning

Android--iptables Common commands

Reprint Please specify source: http://blog.csdn.net/l1028386804/article/details/47356011Iptables Common CommandsList of commonly used commands:Command-A,--appendExample Iptables-a INPUT ...Explain the new rule to a rule that will become the last

Android------animation effects in Android

There are four animation effects in Android:Alphaanimation: Transparency Animation effectScaleanimation: Zoom animation effectTranslateanimation: Displacement animation effectRotateanimation: Rotate animation effect1. Transparent animation

Android--screen fit px to dip

Reprint Please specify source: http://blog.csdn.net/l1028386804/article/details/47356583Kids who have done Android development know that because of the variety of Android phone screens, the application that you write can work well on different

Read #thinkandroid# notes (i)

Today saw the thinkandroid source of the MVC implementation part, feel there are many Problems.first, Design taactivity Super class unreasonableThe thinkactivity framework requires that all activity components inherit the taactivity class, whereas

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