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Overview

The NumericUpDown control allows users to increase or decrease a numeric value using the increment and decrement buttons. This control provides a good user experience for selecting a numeric value within a certain range.


Range validation

Define the minimum and maximum values when an app needs to restrict users to select a value within a range. This meets a requirement like booking airline tickets when you want to restrict commuters to booking a maximum of five (for example) tickets at a time.

xamarin iOS numeric up down with range validation


Step value

Customizes the increment that applies to every increase or decrease of spin buttons.

xamarin iOS numeric up down with custom step value


Autoreverse

Provides continuous spinning between ranges.

xamarin iOS numeric up down demonstrates continuous spinning between ranges


Spin buttons

Spin buttons are highly customizable.

xamarin iOS numeric up down with custom spin alignment

Alignment

Spin buttons can be aligned at the left or right side of the control. To enhance the alignment, the buttons can be aligned at both sides, where the up button is on the right and the down button is on the left.

xamarin iOS numeric up down with custom spin icon font

Icon font

Rescale and change the color by simply applying the icon font to a spin button. This option provides a simple interface with which you get rid of icon scalability issues on various devices.

xamarin iOS numeric up down spin with image

Image

A direct option is used to apply images on a spin button to indicate the up-down value.

xamarin iOS numeric up down spin with custom view

Custom view

You can apply any custom view to a spin button. Use a busy indicator if you are doing a service-based requirement when you select a numeric value.

xamarin iOS numeric up down demonstrates spin validation

Spin validation

The incremental or decremental values can be validated once with every tap or constantly update on touch.


Formats

The numeric up-down control can be formatted based on the standard MSDN number formats.

xamarin iOS numeric up down with custom number format

Number format

Through formatting, percentage and currency behavior can be achieved. Currency and number denotation are displayed based on the culture setting.

xamarin iOS numeric up down with custom text

Custom format

The numeric up-down can also work with any custom format. The custom format can be any symbol or text that can be placed as a prefix or suffix to a number.

xamarin iOS numeric up down with custom decimal precision

Decimal precision

The precision of the values can be controlled based on the application requirements. The number precision can be restricted to any limit while typing the value itself.


General information

xamarin iOS numeric up down font size customization

Font size

You can customize the font size with pixel precision along with standard options such as small, medium, and large.

xamarin iOS numeric up down font family customization

Font family

You are not constrained to using traditional fonts. So you can use a custom font that suits your application. This control can render some iconic fonts, too.

xamarin iOS numeric up down color customization

Color customization

The text color and background color can be customized.

xamarin iOS numeric up down globalization support

Globalization

The currency format and number format are culturally sensed.


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