Reputation: 398
I've got a UIDatePicker
with the time only and I need a possibility to set the minimum and the maximum hour is showed. For example, I need it to start at 6 hours and finish at 15 hrs. Is it possible to perform this with UIDatePicker
?
Upvotes: 1
Views: 6507
Reputation: 695
1) Use this function to retrieve the minimum and maximum date
func getTimeIntervalForDate()->(min : Date, max : Date){
let calendar = Calendar.current
var minDateComponent = calendar.dateComponents([.hour], from: Date())
minDateComponent.hour = 09 // Start time
let formatter = DateFormatter()
formatter.dateFormat = "h:mma"
let minDate = calendar.date(from: minDateComponent)
print(" min date : \(formatter.string(from: minDate!))")
var maxDateComponent = calendar.dateComponents([.hour], from: date)
maxDateComponent.hour = 17 //EndTime
let maxDate = calendar.date(from: maxDateComponent)
print(" max date : \(formatter.string(from: maxDate!))")
return (minDate!,maxDate!)
}
2) Assign these dated to your pickerview
func createPickerView(textField : UITextField, pickerView : UIDatePicker){
pickerView.datePickerMode = .time
textField.delegate = self
textField.inputView = pickerView
let dates = getTimeIntervalForDate()
pickerView.minimumDate = dates.min
pickerView.maximumDate = dates.max
pickerView.minuteInterval = 30
pickerView.addTarget(self, action: #selector(self.datePickerValueChanged(_:)), for: UIControlEvents.valueChanged)
}
That's it :)
Upvotes: 1
Reputation: 398
As for my problem, the answer with maximumDate
and minimumDate
isn't what I am looking for. Maybe my solution is not that clear and right, but it worked great for me.
I have changed the UIDatePicker
with UIPickerView
, wrote a separate delegate for it:
@interface CHMinutesPickerDelegate () <UIPickerViewDelegate, UIPickerViewDataSource>
@property (nonatomic, strong) NSArray *minutesArray;
@end
@implementation CHMinutesPickerDelegate
- (NSInteger)pickerView:(UIPickerView *)pickerView numberOfRowsInComponent: (NSInteger)component {
return [self.minutesArray count];
}
- (NSInteger)numberOfComponentsInPickerView:(UIPickerView *)pickerView {
return 1;
}
- (NSString *)pickerView:(UIPickerView *)pickerView titleForRow:(NSInteger)row forComponent:(NSInteger)component {
return [self.minutesArray objectAtIndex: row];
}
- (NSArray *)minutesArray {
if (!_minutesArray) {
NSMutableArray *temporaryMinutesArray = [NSMutableArray array];
for (int i = 0; i < 6; i++) {
for (int j = 0; j < 2; j++) {
[temporaryMinutesArray addObject: [NSString stringWithFormat: @"%i%i", i, j * 5]];
}
}
_minutesArray = temporaryMinutesArray;
}
return _minutesArray;
}
The minutesArray
returns array of: { "05", "10"... etc}. It is an example for custom minutes picker, you can write the same thing for hour or etc, choosing your own maximum and minimum value. This worked nice for me.
Upvotes: 0
Reputation: 20410
Just use this:
datePicker.maximumDate = myMaxDate;
datePicker. minimumDate = myMinDate;
Where myMaxDate and myMinDate are NSDate
objects
Upvotes: 0