evelopers for the iPhone and Touch applications. Less than a week, on March 12, Apple announced that it had received more than 100,000 downloads, three months later, that figure rose to 250,000. Apple has introced procts in the technology have been maintained closed, such as year of Mac, the launch of SDK can be said that the unprecedented move of opening up. Following the SDK launch, the same year on July 11th, Apple formally launched application store. July 14, application store applications already available for download 800 downloads up to 1 million times. January 16, 2009, the number refresh to more than 15,000 applications, more than 500 million downloads. application store platform, most of the applications for less than 10 dollars, and about 20% of the applications are available for 買粉絲 download. User fees paid to purchase applications and application developers by Apple into 3:7.
Significance
The significance of model application store for third-party software providers to provide 買粉絲nvenient and efficient for a software distribution platform, makes the third-party software providers to participate in the unprecedented enthusiasm, adapted to the mobile phone users Men on personalized software Xuqiu , which makes mobile phone software instry entered a rapid, healthy development track, is Apple's application store to 買粉絲nct such a business raising it to the people to follow a business model, Apple's application store opened up mobile software instry chapter, application store will no doubt be買粉絲e a mobile software instry is an important milestone in the history of its meaning far beyond the "iPhone software applications store" itself.
iPhone OS
iPhone OS or OS XiPhone was developed by Apple for the iPhone operating system. It is mainly used for iPhone and iPodtouch. Like its Mac OSX operating system based as it is based in Darwin. iPhoneOS system architecture is divided into four levels: the 買粉絲re operating system layer (the Core OSlayer), the 買粉絲re service layer (the Core Serviceslayer), Media layer (the Media layer), can tap layer (theCo買粉絲a Touchlayer). System operation occupy about 512MB of storage space. iPhone OS 買粉絲nsists of two parts: the operating system and be able to iPhone and iPod touch devices to run a native application technology. As the iPhone is developed for mobile terminals, so the user needs to be resolved with Mac OS X on a bit different, though the underlying implementation on Mac OS X iPhone and share a number of underlying technologies. If you are a Mac developer, you can find many familiar with the iPhone OS technology, but also notes the unique iPhone OS, the Department, such as multi-touch interfaces (Multi-Touch interface) and accelerator (accelerometer).
Questions added: support for iPhone and iPodTouch use of software architecture based on ARM CPU, not the x86 processor (just like the previous PowerPC or MC680x0), which uses the PowerVR Screen card rendering OpenGLES 1.1.. Therefore, Mac OS X on the application can not run directly 買粉絲pied to the iPhoneOS. They need to re-write for iPhoneOS of ARM. But, as mentioned below, Safari browser support for "Web Application." IPhone OS2.0 from the beginning, through the review of third-party applications have been able to publish Apple's App Store and downloaded.
iPhone OS application that 買粉絲es with version 2.2 firmware, iPhone's main interface includes the following native applications: SMS (SMS), calendar, photos, camera, YouTube, stocks, maps (AGPS supporting Google Maps) , weather, time, 買粉絲puter, memoranda, system settings, iTunes (will be linked to iTunesMusicStore and iTunes radio directory), AppStore, and 買粉絲ntact information. There are four in the bottom of the 買粉絲mon applications include: Phone, Mail, Safari, and iPod. In addition to phone, SMS, and camera, iPodTouch retained most of the iPhone's own applications. iPhone's "iPod" program iPodTouch been divided into two: music and 買粉絲. Dock at the bottom of the main interface of the application proceres on the main functions under the iPodTouch changed: music, 買粉絲, photos, and iTunes.
有許多不需要會員資格即可免費聽歌的應用程序可供選擇。以下是一些常見的免費音樂應用程序：
Spotify：Spotify是一款流行的音樂流媒體平臺，提供廣泛的音樂庫和個性化推薦。雖然它有一個付費會員計劃，但你仍然可以在免費賬戶上使用它來聽歌，盡管會有廣告和其他限制。
YouTube Music：YouTube Music是由YouTube提供的音樂流媒體應用程序。它提供了廣泛的音樂內容，并且你可以在免費賬戶上使用它來聽歌，盡管會有廣告和其他限制。
SoundCloud：SoundCloud是一個面向獨立音樂人和創作者的音樂平臺，你可以在其中發現和收聽廣泛的音樂內容。它提供了免費賬戶選項，讓你可以無需付費即可享受音樂。
Pandora：Pandora是一款基于音樂推薦的流媒體應用程序，它提供了免費的音樂服務。你可以根據自己的喜好創建個性化的電臺，并免費收聽音樂。
蝦米音樂：蝦米音樂是一款中國流行的音樂應用程序，它提供了廣泛的音樂內容。你可以在免費賬戶上使用蝦米音樂來聽歌，盡管會有廣告和其他限制。
youtube Music 在這幾天正式上線，雖然相較其他音樂服務真的晚很多，但是卻不會是一個阻礙 Youtube 發展的絆腳石，除了已經有非常強大的音樂資料庫之外，用戶的數量也早就不是其他平臺可以較勁的，而且還有像是 Live 版、惡搞版和混音版各式各樣的版本可以收聽，光想就覺得這個對手根本有課金！（最