I want change the 'return' key of iphone virtual key to a another name

I want change the 'r开发者_JAVA百科eturn' key of iphone virtual key to a another name such as 'Go'. Help me please.

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There's a property

@property(nonatomic) UIReturnKeyType returnKeyType;  

defined in the UITextInputTraits protocol. So what you probably want to do is:

UITextField *myTextField; // your textfield..
myTextField.returnKeyType = UIReturnKeyGo;

For other possible values see UIReturnKeyType:

typedef enum {
    UIReturnKeyDefault,
    UIReturnKeyGo,
    UIReturnKeyGoogle,
    UIReturnKeyJoin,
    UIReturnKeyNext,
    UIReturnKeyRoute,
    UIReturnKeySearch,
    UIReturnKeySend,
    UIReturnKeyYahoo,
    UIReturnKeyDone,
    UIReturnKeyEmergencyCall,
} UIReturnKeyType;