一個UISearchBar的控件,點擊那個搜索框可以彈出鍵盤。有什么辦法通過用戶觸發就讓鍵盤彈出來,比如在viewWillAppear的時候彈出鍵盤然后在viewDidDisappear的時候在退下來 查看完整描述
- (void)viewWillAppear { ... [searchBar becomeFirstResponder]; ... } - (void)viewWillDisAppear { ... [searchBar resignFirstResponder]; ... }