iOS监听UITextField的输入事件

来源:互联网 发布:java培训班周末 编辑:程序博客网 时间:2024/05/06 19:29
_textField addTarget:self action:@selector(textFieldDidChanged:) forControlEvents:UIControlEventEditingChanged];
-(void)textFieldDidChanged:(UITextField *)textField;{    if (textField.text.length == 0)    {        _finishItem.enabled = NO;    }    else    {        _finishItem.enabled = YES;    }}


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