当用户点击键盘上的返回键时如何单击UIButton [英] How to click UIButton when user hits return on keyboard

问题描述

我希望能够在用户触摸屏幕键盘上的回车键后立即发送消息.我有一个发送UIButton，如何让它侦听返回键? 谢谢！

I want to be able to send a message as soon as the user touches return on the on-screen keyboard. I have a send UIButton, how do I make it listen for the return key? Thanks!

推荐答案

您的按钮方法:

- (void) btnPressed:(id)sender {

{

如果没有，请添加委托资料

Add Delegate Stuff if you haven't

@interface YourViewController : UIViewController <UITextFieldDelegate>

当您调用textField时:

And when you call your textField:

yourTextField.delegate = self;

然后，您应该只在委托shouldReturn方法中调用按钮的action方法:

Then, you should just call the button's action method in the delegate shouldReturn method:

- (BOOL) textFieldShouldReturn:(UITextField *)textField {

    [self btnPressed:nil];
    // whatever else you need

    return YES;

}

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