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Iphone development: Getting system fonts and iphone development Fonts Code: -(Void) viewDidLoad {[super viewDidLoad]; // Do any additional setup after loading the view. NSLog (@ "-- all system fonts -- % @", [self getAllSystemFonts]); NSLog (@ "-- Current System font -- % @", [self getCurrentFont]);} // obtain all fonts of the system-(NSArray *) getAllSystemFonts

I. IntroductionSome time ago I saw the iPhone os4.0 Preview Video released by Apple, and the iPhone finally planned to support multiple tasks, especially the presentation of Skype software in the Preview Video.Generally, to be a regular iPhone app developer, you should prepare at least three things:(1) An Apple ComputerIt can be a Mac Book or a Mac Mini. Most dom

Every product launched by Apple will attract the attention of IOS programmers! Should I adapt again? Should I learn new things again? All kinds of worries are on your mind. Next, let me talk about my understanding of iPhone 6 and iPhone 6 plus adaptation: 1. First of all, we need to understand that although the resolution of iPhone 6 and

step.The resolution displayed on the device screen may be lower than that shown in the previous step.Before the image can be displayed, it must be downsampled (resized) to lower pixel resolution.To display the previous image, you must re-sample (resize) at a lower pixel resolution ).Physical DevicePhysical Device Finally, computed pixels are displayed on the physical screen.Finally, the calculated pixels are displayed on the physical screen.The PPI number tells you how to adjust pixels fit into

1, please update the latest version of itunes, and then redo the recovery operation. This may be due to a corrupted or low version of the itunes file. This situation is directly to the official website to download the latest itunes reinstall can be. 2, choose to enter the DFU recovery mode to restore. Brief operation Essentials: Will the iphone shuts down, then simultaneously presses the switch machine key and the home key, sees the white App

In the iphone has a special power-on password setting option, the default state is off, that is not encrypted, the following step-by-step teaching you to complete the password settings: 1th Step, open the iphone and find the "Settings" icon, bash into: 2nd step, in the "Settings" option, find the "general" sub-item icon, click to enter; The 3rd step, find the "Password lock" option, the default state

Apple phone default is not directly at the same time multiple micro-mail, we first installed in the computer with a quick apple helper ! The installation was successful. We open the "Apple Helper" on our computer and then we connect the iphone to the computer. After confirming the connection, as shown in the following figure, search for "micro-letter" in the search box and click Install. After the confirmation of our Apple Assistant i

differences between iPad and website pages are mainly based on the user agent of the browser. IPad Safari user agent described in iPhone OS 3.2 SDK beta 3Code: Mozilla/5.0 (IPAD; U; cpu OS 3_2 like Mac OS X; en-US) applewebkit/531.21.10 (khtml, like gecko) version/4.0.4 mobile/7b334b Safari/531.21.10 The user agent code of iPad safari contains the words "mobile" and "iPad", excluding the words "

Reprint: http://blog.sina.com.cn/s/blog_7b9d64af0101bu9j.htmlMany times, we need to get the user's iphone version number, or the app's current version number. Care about the following two aspects: first, the application logic will be based on the iphone hardware version number to deal with the corresponding! Second, we need to get the current version of our app because of some kind of demand.first, obtain t

IPhone 4S is connected to a computer and cannot recognize iPhone devices: Apple mobile device USB driver Driver Installation failure shows yellow exclamation mark Solution Apple mobile device USB driver Driver Installation failure shows a yellow exclamation point, cannot charge, let alone iTunes. The correct solution is: 1. Uninstall the iTunes software installed on your computer, and then Uninstall "A

Why do you require android to be smoother than iphone ?!, Why Android iPhone? I saw an article titled why Android phones are not as smooth as iPhone phones? There are many reasons for this: the android multi-thread operation continues to run even if it is removed to the background; android uses java (in fact, android uses a custom virtual machine ), ios uses obje

It's time for a super contest! This time it was disappointing that there was no iPhone 5, but there were a lot of improvements in the iPhone 4S itself alone. Let's continue reading, look at the end of the iPhone 4S compared to the iPhone 4 what has changed!

The following is a summary of some problems when using h264 + AAC for video playback on iPad, iPhone, itouch, and other terminals. 1: audio and video synchronization problems The reason is mainly because of the TS file timestamp problem. Sometimes it will also cause problems after file encapsulation type conversion, For example, FLV-ts will cause audio and video to be not synchronized. The base time used by FLV (reference time): one second =