Translated from: iOS 7 Programming, by Matt Neuburg, OREILLY.
Many subclasses of UIView, such as UIButton or UIlabel, all know how to draw yourself. But sooner or later, you will want to draw some effects you want. You can use some existing
The ios source code of the hamster game and the source code of the hamster game. The game is a multi-level cocos2d-based iPad hamster game source code, which is also a high-quality hamster game source code, you can set up a gradually rising level.
Ios gestures are an indispensable part of ios development. However, you do not know the mechanism of ios gestures and events. So today I would like to share with you the corresponding mechanism of ios events.
First, ios event transmission relies on
In today's project, you only need to enter numbers in the text box. in xib, the Keyboard of UITextField is set to Number Pad, but the Keyboard switches back to another Keyboard to verify the content. Through the magic of Baidu, I know how to solve
Error Domain = NSCocoaErrorDomain Code = 3840 "The operation couldn't be completed. (Cocoa error 3840 .) "(Unescaped control character around character 1419 .) userInfo = 0x1563cdd0 {NSDebugDescription = Unescaped control character Round character 14
Represents the struct of the range: nsange:There are three ways to create a new nsange:
1. nsange range;Range. location = 17;Range. length = 4;2. nsange range = {17, 4 };3. nsange range = NSMakeRange (17,4); (recommended)
Represents the data
1. Use the entire file
Your project-> your target-> Build Phases-> Compile Sources-> Search for the name of the file to ignore the warning, double-click the Compiler Flags column, and type the settings to ignore the warning. Multiple settings are
I recently wrote another IOS skin swap APP, which uses the dynamic loading of images. This scenario is generally divided into two types: APP built-in resources (in the APP package ), another method is to download resources (resources under Documents)
The previous article talked about the basic usage of the iOS simulator. This article focuses on the deeper usage of the simulator and is useful for development and testing. It mainly references the official apple documentation.
Interaction with
ScrollView Control
(1) constant definition const
The const in OC can replace macro definition # define.
(1.1) can be read within the constant defined in the program. For example:
Const int a = 3;
Int B = 0;
A = B; // invalid compilation
For IOS developers, the most important thing is to access network resources. Data is provided to us by servers. We generally access our network resources through APIS. Generally, a resource may correspond to many URLs, but a URL only corresponds to
1. Create a single viewproject, import it to the mediaplayerdatabase, and import a video file test1.mp4.
2. ViewController. h
#import
#import
@interface ViewController : UIViewController { MPMoviePlayerViewController *_playerVC;}@end
// XMPPManager. h// InstantMessage//// Created by ChenJungang on 14-1-3.// Copyright (c) 2014 chenjungang. All rights reserved.//# Import # Import "XMPPFramework. h"@ Class XMPPManager;@ Class BuddyItem;@ Class MessageItem;@
I am curious and interested in the mobile platform, and recently started to develop and learn iPhone. The learning path is from Objective-C to cococa. The method is to read two English documents for getting started, and to learn about Apple's SDK.
About Corona
If you are working on iOS applications or have been concerned about iOS development, you must have heard of Corona.
After Apple modified the app review policy and allowed the use of third-party languages to develop applications, Corona,
XCodeEngineeringTargetsThe explanation is the content to be introduced in this article. I believe many people have noticed thatXCodeHas a Target concept, which is embodied in many places. For example, after opening a project, the list on the left
Cocos2DStudy NotesUIAccelerometerThe accelerator is the content to be introduced in this article.UIAccelerometerAcceleration is counted as an instance. Let's see the content.UIAccelerometerThe accelerator is used to detect the acceleration of the
Two weeks ago, Google launched the iOS version of the Origin Site Gmail app, but immediately withdrew from the App Store due to a Bug. Now, Google says it has solved these problems and released the Gmail source app for iOS.
The Gmail app for iOS
Magley equity research company released a research report in May 15 titled "browser war 2: Google Chrome browser for iOS". The report predicts that the browser will be released in the second quarter or within the year. Analysts said that Google has
Although there are many ways for developers to succeed on the iOS 7 platform, we want to discuss five things that developers need to avoid to make your applications stand out.1. BUGS
Very simple, right? However, iOS 7 still has some tips to make
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