Xamarin.iOS DataForm: Creating Simple User Forms
- Various built-in and custom editors efficiently display and edit the properties of any object based on data type.
- Built-in data validation is made easy with different validation modes and data annotation support.
- Support to design the UI as you need. Linear and grid layouts, different label positioning, and grouping are supported.
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Overview
The Xamarin.iOS Form is a data-oriented control that is used to display and edit the properties of any data object using a wide range of built-in editors for different data types. Custom editors are also supported. It simplifies the development of various forms such as login, reservation, and data entry. It supports built-in data validation and data annotation. It also provides support for linear and grid layouts, label positioning options, grouping, and more features to design the UI as required.
Default and Custom Editors
The Xamarin.iOS Form includes built-in support for various editors to handle different data types, as well as custom editors. Built-in editors are automatically generated based on data annotations and the type of field. The following built-in editors are available:
Text Editor
Numeric Editor
Numeric Up-Down Editor
Picker
Date Picker
Time Picker
Switch
Segmented Editor
Password Editor
Editing
Commit Mode
Editing support is provided with the following commit modes that determine when an edited value should be updated in the data object.
- LostFocus
- PropertyChanged
- Explicit
Read-Only Mode
The Xamarin.iOS DataForm supports read-only display mode. It also allows specific fields to be made read-only.
Converters
Support to show the original value in a different format or as different value using converters.
Validation and Error Indication
- Built-in support to validate data and display error information based on INotifyDataErrorInfo and data annotations.
- Different validation modes such as LostFocus, PropertyChanged, and explicit to determine when the value should be validated.
- Provides support for custom validations.
- Support to display a positive message on valid data fields.
- Support to customize validation message using custom view in DataForm.
Grouping
- Group data fields with captions for better categorization.
- Expand or collapse groups to easily navigate through more data fields.
- Each group can have different columns.
Custom data fields
Support to manually generate data fields without using data object. This is used to load data from another source such as Dictionary. It also has support to read and write from/to another data source.
Layouts
Provides support for linear and grid layouts.
Grid layout
The grid layout arranges items in a predefined number of columns.
Order of the fields
You can change the order of the fields regardless of the position in the data object to view it in the desired position.
Regenerate data fields
Support to add or remove fields and regenerate fields dynamically to show the fields only when required.
Appearance
Label Position
You can position the labels to the left or at the top of the editor.
Label and Editor width customization
You customize the label and editor width ratio to set the width proportionally based on the requirement.
Width and Height Customization
Support to customize each data fieldโs width and height for better readability.
Watermark
Display watermarks to guide end users.
Show or Hide Fields
Support to show or hide data form fields dynamically based on the application needs.
Exclude fields
Support to exclude specific fields of a data object in UI.
Data Annotations
Options to customize data form fields based on data annotation attributes.
Localization
The Xamarin.iOS DataForm supports localizing label text, group name, watermark, and validation messages in the desired language.
Right to left(RTL)
The Xamarin.iOS DataForm supports right to left (RTL) direction for users working in right-to-left languages like Hebrew, Arabic, or Persian.
150+ XAMARIN UI CONTROLS
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Xamarin.Forms
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Xamarin.Android
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Xamarin.iOS
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GRIDSDATA VISUALIZATIONNAVIGATIONEDITORSLAYOUTPROJECT MANAGEMENTNOTIFICATIONVIEWER/EDITORDOCUMENT PROCESSING LIBRARIESMISCELLANEOUS
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