那里有几种可用的方法：
您可以订阅键盘外观事件通知并手动更改偏移量：
//迅捷2.0+
override func viewDidLoad() {
super.viewDidLoad()
NSNotificationCenter.defaultCenter().addObserver(self, selector: #selector(YourVCClassName.keyboardWillShow(_:)), name: UIKeyboardWillShowNotification, object: nil)
NSNotificationCenter.defaultCenter().addObserver(self, selector: #selector(YourVCClassName.keyboardWillHide(_:)), name: UIKeyboardWillHideNotification, object: nil)
}
func keyboardWillShow(notification: NSNotification) {
if let userInfo =notification.userInfo{
if let keyboardHeight = userInfo[UIKeyboardFrameEndUserInfoKey]?.CGRectValue.size.height {
tableView.contentInset= UIEdgeInsetsMake(0, 0, keyboardHeight, 0)
}
}
}
func keyboardWillHide(notification: NSNotification) {
tableView.contentInset= UIEdgeInsetsMake(0, 0, 0, 0)
}
//Objective-C
- (void)viewDidLoad {
[super viewDidLoad];
[[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(keyboardWillShow:) name:UIKeyboardWillShowNotification object:nil];
[[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(keyboardWillHide:) name:UIKeyboardWillHideNotification object:nil];
}
- (void)keyboardWillShow:(NSNotification *)notification {
NSDictionary *userInfo = [notification userInfo];
if (userInfo) {
CGRect keyboardEndFrame;
[[userInfo objectForKey:UIKeyboardFrameEndUserInfoKey] getValue:&keyboardEndFrame];
tableView.contentInset= UIEdgeInsetsMake(0, 0, keyboardEndFrame.size.height, 0);
}
}
- (void)keyboardWillHide:(NSNotification *)notification {
tableView.contentInset= UIEdgeInsetsMake(0, 0, 0, 0);
}或使用现成的解决方案，例如TPKeyboardAvoidingTableView或TPKeyboardAvoidingScrollView https://github.com/michaeltyson/TPKeyboardAvoiding