Do any of Apple's devices support iOS 4.0 but not multitasking?

Do any of Apple's devices support iOS 4.0 but not multitasking?

开发者_运维技巧

If not, I don't understand the [UIDevice isMultitaskingSupported] API (which was only introduced in iOS 4.0).

Thanks

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Yes.

• Iphone 3G
• Ipod Touch 2

Due to hardware limitations, they can run iOS4 but not actually make use of things like multitasking. On my old iPod touch, running iOS4 added a significant delay to the device's operation, even without multitasking.

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iPhone 3G doesn't support multitasking

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iPod touch 2g and iPhone 3g don't support native mustitasking. Multitasking can be disactivated on jailbroken devices, this is aswell recognizable using isMultitaskingSupported.