如何保存分段控制选择
如何保存分段控制选择
提问于 2015-08-16 22:39:07
我已经在我的项目中添加了一个分段控件来设置通知频率(如每日、每周、ecc..)。我不知道如何保存用户选择，以及如何设置此选择的通知。我有一个AddController，用户可以在其中插入提醒，在这个控制器中，我还想设置重复通知的频率。代码是：
@IBAction func salva(sender: UIButton) {
if fieldNomeMedicina.text.isEmpty &&
fieldData.text.isEmpty &&
fieldDosaggio.text.isEmpty{
//alertView che avverte l'utente che tutti i campi sono obbligatori
//return
}
var therapy = PillsModel(nomeMedicinaIn: fieldNomeMedicina.text,
dosaggioIn : fieldDosaggio.text,
dataIn: fieldData.text
)
profilo.therapyArra.append(therapy)
DataManager.sharedInstance.salvaArray()
DataManager.sharedInstance.detail.pillsTable.reloadData()
dismissViewControllerAnimated(true, completion: nil)
let stringDate = fieldData.text//get the time string
//format date
var dateFormatter = NSDateFormatter()
dateFormatter.dateFormat = "dd-MM-yyyy hh:mm" //format style. Browse online to get a format that fits your needs.
var date = dateFormatter.dateFromString(stringDate)
//date is your NSdate.
var localNotification = UILocalNotification()
localNotification.category = "FIRST_CATEGORY"
localNotification.fireDate = date
localNotification.alertBody = "Take your medicine:" + " " + fieldNomeMedicina.text + " " + fieldDosaggio.text
localNotification.timeZone = NSTimeZone.defaultTimeZone()
localNotification.applicationIconBadgeNumber = UIApplication.sharedApplication().applicationIconBadgeNumber + 1
UIApplication.sharedApplication().scheduleLocalNotification(localNotification)
}
@IBAction func frequencyControl(sender: UISegmentedControl) {
if(segmentedControl.selectedSegmentIndex == 0)
{
notification.repeatInterval = 0;
}
else if(segmentedControl.selectedSegmentIndex == 1)
{
notification.repeatInterval = .CalendarUnitDay;
}
else if(segmentedControl.selectedSegmentIndex == 2)
{
notification.repeatInterval = .CalendarUnitWeekday;
}
else if(segmentedControl.selectedSegmentIndex == 3)
{
notification.repeatInterval = .CalendarUnitMonth;
}
else if(segmentedControl.selectedSegmentIndex == 4)
{
notification.repeatInterval = .CalendarUnitMinute;
}
}
func drawAShape(notification:NSNotification){
var view:UIView = UIView(frame:CGRectMake(10, 10, 100, 100))
view.backgroundColor = UIColor.redColor()
self.view.addSubview(view)
}
func showAMessage(notification:NSNotification){
var message:UIAlertController = UIAlertController(title: "A Notification Message", message: "Hello there", preferredStyle: UIAlertControllerStyle.Alert)
message.addAction(UIAlertAction(title: "OK", style: UIAlertActionStyle.Default, handler: nil))
self.presentViewController(message, animated: true, completion: nil)
}我有一个错误:在func frequencyControl中使用未解析的标识符‘通知’。
回答 1
Stack Overflow用户
发布于 2015-08-16 22:42:47
您的问题是，只有在用户单击按钮之后才能创建localNotification (这是一个很好的设计选择)。这意味着您以前不能在其中存储信息，但这并不是必需的-您总是可以询问UISegmentedControl它的当前值是多少。
你基本上需要转移这段代码：
if(segmentedControl.selectedSegmentIndex == 0)
{
notification.repeatInterval = 0;
}
...在salva函数内部。在此过程中，将if语句转换为switch -这要干净得多。它看起来是这样的：
var localNotification = UILocalNotification()
switch segmentedControl.selectedSegmentIndex {
case 0:
localNotification.repeatInterval = 0;
case 1:
localNotification.repeatInterval = .CalendarUnitDay;
...
}页面原文内容由Stack Overflow提供。腾讯云小微IT领域专用引擎提供翻译支持
原文链接：
https://stackoverflow.com/questions/32036269
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