NativeScript Angular

Text Field

The TextField component allows you to type text in your app. The TextField has attributes such as secure for handling password fields, and pipes for specifying the text format the control should use.

Image

Usage

TextField provides multiple properties and several events for handling the user input and interaction. To submit a value use the returnPress event along with the returnKeyType property. To handle a TextField being focused use the focus event. To handle an interaction when the user leaves TextField use the blur event. To explicitly show and hide a keyboard, we can call the methods focus and dismissSoftInput.

<TextField hint="Enter Date" 
           [text]='name' 
           secure="false"
           keyboardType="datetime"
           returnKeyType="done" 
           (returnPress)="onReturnPress($event)"
           autocorrect="false"
           maxLength="10"
           (focus)="onFocus($event)" 
           (blur)="onBlur($event)">
</TextField>
import { Component } from "@angular/core";
import { TextField } from "tns-core-modules/ui/text-field";
import { setTimeout } from "tns-core-modules/timer";

@Component({
    moduleId: module.id,
    templateUrl: "./usage.component.html"
})
export class UsageComponent {
    name = "";

    onReturnPress(args) {
        // returnPress event will be triggered when user submits a value
        let textField = <TextField>args.object;

        // Gets or sets the placeholder text.
        console.log(textField.hint);
        // Gets or sets the input text.
        console.log(textField.text);
        // Gets or sets the secure option (e.g. for passwords).
        console.log(textField.secure);

        // Gets or sets the soft keyboard type. Options: "datetime" | "phone" | "number" | "url" | "email"
        console.log(textField.keyboardType);
        // Gets or sets the soft keyboard return key flavor. Options: "done" | "next" | "go" | "search" | "send"
        console.log(textField.returnKeyType);
        // Gets or sets the autocapitalization type. Options: "none" | "words" | "sentences" | "allcharacters"
        console.log(textField.autocapitalizationType);

        // Gets or sets a value indicating when the text property will be updated.
        console.log(textField.updateTextTrigger);
        // Gets or sets whether the instance is editable.
        console.log(textField.editable);
        // Enables or disables autocorrection.
        console.log(textField.autocorrect);
        // Limits input to a certain number of characters.
        console.log(textField.maxLength);

        setTimeout(() => {
            textField.dismissSoftInput(); // Hides the soft input method, ususally a soft keyboard.
        }, 100);
    }

    onFocus(args) {
        // focus event will be triggered when the users enters the TextField
        let textField = <TextField>args.object;
    }

    onBlur(args) {
        // blur event will be triggered when the user leaves the TextField
        let textField = <TextField>args.object;
    }

}

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Demo Source


Styling

<TextField hint="Enter text" 
           color="orangered" 
           backgroundColor="lightyellow">
</TextField>

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Demo Source


Properties

Name Type Description
autocapitalizationType AutocapitalizationType Gets or sets the autocapitalization type.
autocorrect boolean Enables or disables autocorrection.
keyboardType KeyboardType Gets or sets the soft keyboard type
letterSpacing number Gets or sets letter space style property.
lineHeight number Gets or sets line height style property.
maxLength number Gets or sets the max number of symbols allowed as input.
returnKeyType ReturnKeyType Gets or sets the soft keyboard return key flavor.
secure boolean Gets or sets if a text field is for password entry.
text string Gets or sets the text.
textAlignment TextAlignment Gets or sets the text alignment.
textDecoration TextDecoration Gets or sets the text decoration.
textTransform TextTransform Gets or sets the text transform.
whiteSpace WhiteSpace Gets or sets white space style property.

Methods

Name Description
focus Tries to focus the view. Returns a value indicating whether this view or one of its descendants actually took focus. Returns boolean.
dismissSoftInput Hides the soft input method, ususally a soft keyboard.

Events

Name Description
blur Emitted when the text field is unfocused.
focus Emitted when the text field is focused.
returnPress Emitted when the return key is tapped.
textChange Emitted when there is a new text input.

API References

Name Type
tns-core-modules/ui/text-field Module
TextField Class

Native Component

Android iOS
android.widget.EditText UITextField