我应该为iPhone SDK 4购买iPad或iPhone 4？ [英] What should I buy iPad or iPhone 4 for iPhone SDK 4?

问题描述

现在，我正在开发iPhone SDK3和iPodTouch 2G。 iPodTouch 2G无法完成iOS4的全部功能。我想改变iPhone SDK4的开发。7月，iPhone 4和iPad将在新加坡推出。那么，我应该为iPhone SDK 4购买iPad或iPhone 4？

Now, I'm developing on iPhone SDK3 and iPodTouch 2G. iPodTouch 2G can't do full function of iOS4. I want to change iPhone SDK4 development.In july, iPhone 4 and iPad will available in singapore. So, What should I buy iPad or iPhone 4 for iPhone SDK 4 ?

iPad API与iPhone 4 API有何不同？
市场怎么样？
我可以用iPad编写iPhone应用程序吗？

What different between iPad API and iPhone 4 API ? How about market ? Can I write iPhone app with iPad ?

推荐答案

每个版本的操作系统都为所有设备提供相同的API，但其中一些并不支持所有功能。例如， UIImagePickerController 允许用户选择照片。在iPhone上，他们可以使用相机拍照或从照片库中选择现有照片。使用iPad和iPod Touch时，没有相机，因此用户只能从照片库中选择一张照片。

Each version of the OS has the same API for all devices, but some of them don't support all all features. For example, the UIImagePickerController allows the user to select a photo. On an iPhone, they can take a picture with the camera or pick an existing photo from their Photo Library. With iPad and iPod Touch, there is no camera, so the user could only pick a picture from their Photo Library.

如果您依赖相机等硬件功能，罗盘，陀螺仪，加速度计为您的应用程序，你需要一个具有此功能的设备，因为模拟器不是它们。

If you are relying on hardware features such as camera, compass, gyroscope, accelerometer for your application, you'd need a device that has this feature as the emulator does not them.

iPhone 4具有所有的硬件功能所有iPhone，iPod Touch和iPad设备。购买带有或不带合同的iPhone 4会花费一些钱，但如果你正在开发一个应用程序，你可以通过销售应用程序或iAd收入来收回成本。

iPhone 4 has all of the hardware features of all iPhone, iPod Touch and iPad devices. Buying an iPhone 4 with or without contract is going to cost some money, but if you're developing an application you can recover the cost with sales of your app or iAd revenue.

如果您的应用程序不需要特定的硬件，那么最佳选择将取决于成本以及您是否每天都使用该设备。除了前置摄像头和陀螺仪之外，二手iPhone 3GS几乎可以完成所有iOS 4.0功能。

If your application does not need specific hardware, then the best choice for you is going to depend on cost and whether you will use the device each day. A second-hand iPhone 3GS will do almost all iOS 4.0 features except front-facing camera and gyroscope.

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