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    5.0.2 • Public • Published

    NativeScript Numeric Keyboard

    NPM version Downloads Twitter Follow

    For iOS. Falls back to the best platform-provided numeric keyboard on Android. Note that the iPad UI looks a bit sleeker than shown in the screenshot below.

    BREAKING CHANGE in plugin version 4.0.0: we used to extend a TextView, now it's a TextField, because I finally hacked my way around a problem that prevented a TextField from emitting a textChange event. Note that unless you use the decorate() function this will not affect you (bar some now-fixed UI glitches).


    From the command prompt go to your app's root folder and execute:

    Since NativeScript 7

    tns plugin add nativescript-numeric-keyboard

    Before NativeScript 7

    tns plugin add nativescript-numeric-keyboard@4

    mind the @4 on the end, because since plugin version 5 we require NativeScript 7.

    Demo app

    Check out the demo to play with the keyboard. You can run it by typing npm run demo.iphone / npm run demo.ipad at the root of the project.

    How it works

    This plugin wraps a native keyboard library and extends a regular NativeScript TextField. You can set any property you'd normally set on this widget (class, text, etc) and a few plugin-specific properties as well.

    You can either define the keyboard in XML or in code - use whichever tickles your fancy.

    Screenshot-driven documentation

    After adding the plugin you can add a namespace to your view (using NumKey below) and use the NumericKeyboardView tag to render a TextField powered by this plugin.

    <Page xmlns="" xmlns:NK="nativescript-numeric-keyboard">
      <NK:NumericKeyboardView text="123.45" maxLength="10" returnKeyButtonBackgroundColor="#333333" />

    For comparison sake we kick off with the default appearance of a TextField and then showcase the various properties this plugin exposes:

    Appearance Declaration
    <TextField keyboardType="number" text="1.23"/>
    <TextField keyboardType="phone" text="12.34"/>
    <NK:NumericKeyboardView text="123.45"/>
    <NK:NumericKeyboardView returnKeyTitle="OK" text="234.56"/>
    <NK:NumericKeyboardView noDecimals="true" text="345"/>
    <NK:NumericKeyboardView noReturnKey="true" text="678"/>
    <NK:NumericKeyboardView locale="en_US" text="456.78"/>
    <NK:NumericKeyboardView locale="nl_NL" text="567,89"/>

    iPad appearance

    It's similar (although a bit cleaner than in these screenshots), except for some padding on both sides of the keyboard:

    Appearance Declaration
    <TextField keyboardType="phone" text="12.34"/>
    <NK:NumericKeyboard text="123.45"/>

    Usage with Vue

    Open main.ts (or .js) and add this:

    Vue.registerElement('NumericKeyboard', () => require('nativescript-numeric-keyboard').NumericKeyboardView);

    Check this registerElement example, and this usage example.

    Usage with Angular

    Open app.module.ts and add:

    import { registerElement } from "nativescript-angular";
    registerElement("NumericKeyboard", () => require("nativescript-numeric-keyboard").NumericKeyboardView);

    For the views you can take a look at the examples above and just replace NumKey:NumericKeyboardView by NumericKeyboard :

    <NumericKeyboard noDecimals="true"></NumericKeyboard>

    Programmatic usage

    Say you have a plain old TextField in your view:

    <Page xmlns="" loaded="pageLoaded">
      <TextField id="myTextField" maxlength="8" keyboardType="number" text="{{ myTextPlugin }}" />

    Now you can enhance the TextField with this plugin by doing fi. this in the pageLoaded event you've defined in the <Page> tag above:

    import { NumericKeyboard } from "nativescript-numeric-keyboard";
    import { Color } from "tns-core-modules/color";
    export function pageLoaded(args: observable.EventData) {
      const page = <pages.Page>args.object;
      const textField = <TextField>page.getViewById("myTextField");
      // or even textField.ios
      // this is an example with all possible properties, not that they make sense combined :)
      new NumericKeyboard().decorate({
        textField: textField,
        returnKeyTitle: "Go!",
        locale: "en_US", // or "nl_NL", or any valid locale really (to define the decimal char)
        noReturnKey: true,
        noDecimals: true,
        noIpadInputBar: true, // suppress the bar with buttons iOS renders on iPad since iOS 9
        returnKeyButtonBackgroundColor: new Color("red"), // optional, set this to change the (default) blue color of the 'return' key
        onReturnKeyPressed: (): boolean => {
          // Your code here
          return true; // Return true to hide/collapse the keyboard, use false to keep the keyboard in place.

    Note that on Android you'll just get a numeric keyboard as usual (since we specified keyboardType="number").


    npm i nativescript-numeric-keyboard

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