Mobile Develop

This article mainly talk about multi-threaded things, because things more, so directly take out a whole space to say it.3, multi-threaded implementation of the bottom? 1, first say what is the process, what is a thread, what is multithreaded. A

This is in the 2.0 version of the import, direct click action:1. If you open as not in the position of the first picture, you can click on file ———— "close project, and so on will be able to appear650) this.width=650; "src=" http://img.blog.csdn.net/

Creating a listener implementation ServletContext interfacepublic class springservletcontextlistener implements servletcontextlistener {     // Public constructor is required by servlet spec     public springservletcontextlistener ()  {    }     // -

#ifndef Macros_h#defineMacros_h#defineStatus_bar_height 20//NavBar Height#defineNavigation_bar_height 44//status bar + navigation bar height#defineStatus_and_navigation_height ((status_bar_height) + (navigation_bar_height))//Screen rect#defineScreen_

1. How are events generated and delivered?when a touch event occurs, the system adds the event to an event queue managed by UIApplication. (Queue is FIFO, while stack is advanced)UIApplication takes the first event out of the event queue and

IOS8 after we can directly use the Uisearchcontroller agent method for development, no longer uisearch and other things, I will directly to everyone on the code barUisearchbardelegate,uisearchresultsupdating these two proxy

When the Singleton class is loaded for the first time, Sinstance is not initialized, only when the GetInstance method of Singleton is called for the first time, which causes sinstance to be initialized. Therefore, calling the GetInstance method for

What is the usual event in 1.ios? Touch events, accelerometer events, remote control events2. What is a responder object? Inherit the object of Uiresponds we call it the Responder object uiapplication, Uiviewcontroller, UIView inherit? From

After iOS8, Apple added a new feature. The app will automatically appear in the lower left corner of the lock screen, depending on the location. For example, when a user is at an Apple store, a shortcut to the official Apple Store app appears in the

1. Events and styles for screen rotationEventWindow.orientation, value: Plus or minus 90 indicates that the horizontal screen mode, 0 and 180 are displayed as vertical screen mode;Window.onorientationchange = function () {Switch (window.orientation)

One program to jump to another program. Need to be modified in the plist file of the target program:Open info.plist, add a URL types Expand URL Types, expand Item0, and change the URL identifier under Item0 to URL SchemeExpand URL Scheme to

1, block is a property of the Controller object, the use of self inside the block will cause the loop applicationvoid (^testblock) (); @interface Secondviewcontroller () @property (nonatomic, copy) Testblock Testblock; @end = ^() { NSLog (@ "%

SourceSOURCE download, please first move the android left and right channel controlI mainly use the audiotrack to achieve the control of the left and right channels, mobile phones are generally only two channels, that is, the left channel and the

1: The generation and delivery of events:2: Find the most appropriate view: How to find the most appropriate view: Three steps: 1: First to determine whether you can accept Touch Event 2: Determine if the touch point is on its own 3: If the first

There is a Setempty method for the ListView to set the default display page when loading fails, but the extensibility is poor. Is there a more versatile way to add a medium-state layout to any layout? The answer is yes, and then we're going to

/*Local notification: Not through the network, the local implementation of the notification, self-issued to their own remote notification: must be through the network, using push Technology (APNS), to implement notification local notification: 1. To

1, Introduction: 1.1 iOS has three kinds of multi-threaded programming technology, respectively:1., Nsthread2. Cocoa nsoperation (use of nsoperation and Nsoperationqueue for iOS multithreaded programming)3. GCD Full Name: Grand Central Dispatch

1 implementation of the Round button (the Click area is also circular)The system UIButton comes in a rectangular way, and by setting the layer layer you can crop the picture to a circle, but the click area is still a rectangle. To solve this problem,

Installation section, a lot of steps, pretty troublesome1, first install Xcode, in the Mac Store can be downloaded for free.2. Install Xcode Command ToolsOpen the terminal, enter Xcode-select--install can automatically eject the installation

Compile the program you want to debug First.1. Set BreakpointsSelect the line of code where you want to set the breakpoint, and click the left mouse button after the area of the row number.2. Turn on the debug sessionClick on the red arrow pointing