Custom pickerview for iOS (mileage) and iospickerview

Custom pickerview for iOS (mileage) and iospickerview

# Pragma mark-Click Event of the mileage button

-(Void) mileageBtnClicked :( UIButton *) sender {

UIAlertController * alert = [UIAlertController alertControllerWithTitle: @ "mileage/km \ n" message: nil preferredStyle: UIAlertControllerStyleAlert];

UIPickerView * mileage = [[UIPickerView alloc] initWithFrame: CGRectMake (0, 40,270,150)];

// Specify the Delegate

Mileage. delegate = self;

// Display the selected box

Mileage. showsSelectionIndicator = YES;

[Alert. view addSubview: mileage];

UIAlertAction * OK = [UIAlertAction actionWithTitle: @ "OK" style: UIAlertActionStyleDefault handler: ^ (UIAlertAction * action ){

NSInteger row = [mileage selectedRowInComponent: 0];

NSString * mileageNum = [pickerData objectAtIndex: row];

MileageLabel. text = [NSString stringWithFormat: @ "% @ km", mileageNum];

}];

UIAlertAction * cancel = [UIAlertAction actionWithTitle: @ "cancel" style: UIAlertActionStyleDefault handler: ^ (UIAlertAction * action ){

}];

[Alert addAction: OK];

[Alert addAction: cancel];

[Self presentViewController: alert animated: YES completion: ^ {}];

PickerData = [[NSArray alloc] initWithObjects: @ "3000", @ "3500", @ "8000", @ "8500", @ "13000", @ "13500 ", @ "18000", @ "18500", @ "23000", @ "23500", @ "28500", @ "33000", @ "33500", @ "38000 ", @ "38500", @ "43000", @ "43500", @ "48000", @ "48500", @ "53000", @ "53500", @ "58000 ", @ "58500", nil];

}

# Pragma mark -- UIPickerViewDataSource

// Returns the number of columns displayed.

-(NSInteger) numberOfComponentsInPickerView :( UIPickerView *) pickerView {

Return 1;

}

// Returns the number of lines displayed.

-(NSInteger) pickerView :( UIPickerView *) pickerView numberOfRowsInComponent :( NSInteger) component {

Return pickerData. count;

}

# Pragma mark -- UIPickerViewDelegate

// Return the content of the current row

-(Nullable NSString *) pickerView :( UIPickerView *) pickerView titleForRow :( NSInteger) row forComponent :( NSInteger) component _ TVOS_PROHIBITED {

Return [pickerData objectAtIndex: row];

}