Application
Program Design
Write the first line at the beginningCodeBefore that, you should make some necessary design decisions. The purpose and function of the application should be as specific as possible. Select the data model type that the
PagecurlSimulate the paging effect of a book, similar to that of an iBook. Project Homepage
Coretextwrapper
Core text encapsulation class for text layout. It supports multi-column text layout. Project Homepage
Flipview An open-source reading
IOS 4.0 and later support background playing. The following describes how to play a sound file. After the screen is closed, the sound file can still be played. The specific implementation method is as follows:Add the following field to the plist
1. During Project Creation, IOS simulators often encounter slow operations. For example, if a uialertview pops up and is pushed to a viewcontroller, the process is very slow and the xcode console prints the following sentence:
Simulator
// Create the catransition object catransition * animation = [catransition animation]; animation. delegate = self; // set the animation time to animation. duration = 1.0; // set the animation speed (start and end time is slow) animation.
Watched a video: Tat augmented ID, combined with face recognition, tracking, and augmented reality, amazing! For more information, click here. Unfortunately, this is just a concept that has not been specifically implemented, but it is just a matter
// Popupcontentviewcontroller is a custom viewcontrler that needs to be popped up for popover. The content shown in the pop-up box is this
Popupcontentviewcontroller * popcontentviewcontrol = [[popupcontentviewcontrollerAlloc] init];
// Setup the
1. OpenurlWe know that we can set the URL scheme for the application so that other applications can open our application through this address. In fact, there is another API called canopenurl. If we know the URL scheme of the IOS Application List to
This is actually a lock. If self is accessed by other threads, it will be blocked. This is generally used to protect a deadlock for a single instance.
@ Synchronized (Self ){
// Something like this
Kgoablevalue = _ your instance;
}
1. When two
First, introduce the relevant header file. The header file code is as follows:
#include #include
The function for obtaining the remaining bucket is as follows:
+ (Nsstring *) freediskspaceinbytes {struct statfs Buf; long freespace =-1; if
Create and delete:// Create a file managerNsfilemanager * filemanager = [nsfilemanager defaultmanager];// Obtain the path// Obtain the path of the nsdocumentdirectory ParameterNsarray * paths = nssearchpathfordirectoriesindomains
In my project, a new uiview class is created after the map class.
. H file
# Import
# DEFINE _ weith 320/3.
# DEFINE _ height 330/3
@ Interface view: uiview
@ End
. M file
//
// View. m
// 122chezhu01
//
// Created by Xumin on 7/8/13.
//
Several simple and effective array sorting methods for iOS
// First, use the sortedarrayusingcomparator of the array to call the object in the nscomparator, obj1 and obj2 arrays.
Nscomparator cmptr = ^ (ID obj1, Id obj2 ){If ([obj1 integervalue]>
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