當我開始在textField中寫入任何內容時,搜索按鈕顯示在標題中。當我在textField中輸入任何東西時,我想在導航欄上顯示按鈕
-(IBAction)actionCloseKeyboard:(id)sender {
[UIView animateWithDuration:0.5
delay:0
options:UIViewAnimationCurveEaseOut
animations:^{
[self adjustLayout:[[UIApplication sharedApplication] statusBarOrientation]];
} completion:^(BOOL finished) {
[countrySelector resignFirstResponder];
[searchKeyText resignFirstResponder];
}];
//Cancel btn finish
UIButton *CancelBtn = [UIButton buttonWithType:UIButtonTypeCustom];
[CancelBtn setTitle:CustomLocalizedString(@"CANCEL") forState:UIControlStateNormal];
[CancelBtn addTarget:self action:@selector(actionCloseKeyboard:) forControlEvents:UIControlEventTouchUpInside];
CancelBtn.frame = CGRectMake(0, 0, 80, 30);
CancelBtn.hidden = YES;
self.navigationItem.leftBarButtonItem = [[UIBarButtonItem alloc] initWithCustomView:CancelBtn];
//Search Btn
這是我的搜索按鈕,我想顯示導航欄上,當我開始寫在文本字段什麼。
UIButton *SearchBtn = [UIButton buttonWithType:UIButtonTypeCustom];
[SearchBtn setTitle:CustomLocalizedString(@"FIND CVS") forState:UIControlStateNormal];
[SearchBtn addTarget:self action:@selector(actionFindJobs:) forControlEvents:UIControlEventTouchUpInside];
SearchBtn.frame = CGRectMake(0, 0, 80, 30);
SearchBtn.hidden = YES;
self.navigationItem.rightBarButtonItem = [[UIBarButtonItem alloc] initWithCustomView:SearchBtn];
//Condition Hide and Show
if(CancelBtn == true)
{
CancelBtn.hidden = NO;
SearchBtn.hidden = NO;
}
}
我可能會建議'textFieldDidBeginEditing'和'textFieldDidEndEditing'代替。 – caseynolan
當UITextField成爲第一個響應者(獲得焦點)並停止時,調用'textFieldBeginEditing'和'textFiledDidEndEditing',而不是在實際輸入時調用。所以,讓我們@穆罕默德雷漢選擇適合他的任何更好 – crisisGriega
你是完全正確的,我的錯誤。我應該先嚐試理解這個問題! :) – caseynolan