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https://github.com/nativescript-community/ui-label

Alternative to the built-in NativeScript Label but with better performance and additional features such as HTML rendering and more.
https://github.com/nativescript-community/ui-label

Last synced: about 1 year ago
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Alternative to the built-in NativeScript Label but with better performance and additional features such as HTML rendering and more.

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@nativescript-community/ui-label



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Alternative to the built-in NativeScript Label but with better performance and additional features such as HTML rendering and more.


| | |
| --- | ----------- |
| iOS Demo | Android Demo |

[](#table-of-contents)

[](#table-of-contents)

## Table of Contents

* [Installation](#installation)
* [Production build](#production-build)
* [Configuration](#configuration)
* [Angular](#angular)
* [Vue](#vue)
* [Properties](#properties)
* [Improvements](#improvements)
* [Examples:](#examples)
* [Demos and Development](#demos-and-development)
* [Repo Setup](#repo-setup)
* [Build](#build)
* [Demos](#demos)
* [Contributing](#contributing)
* [Update repo ](#update-repo-)
* [Update readme ](#update-readme-)
* [Update doc ](#update-doc-)
* [Publish](#publish)
* [modifying submodules](#modifying-submodules)
* [Questions](#questions)

[](#installation)

[](#installation)

## Installation
Run the following command from the root of your project:

`ns plugin add @nativescript-community/ui-label`

### Production build

If you are using proguard on Android build you need ensure some resource from this plugin are not minified. You need to add ` tools:keep="@layout/ns_*"` as explained [here](https://developer.android.com/build/shrink-code#keep-resources)

[](#configuration)

[](#configuration)

## Configuration

It works exactly the same way as the {N} plugin. However it adds a few improvements

### Angular

```typescript
import { registerElement } from '@nativescript/angular';

registerElement('HTMLLabel', () => require('@nativescript-community/ui-label').Label);
```

```html

```

```typescript
import { Utils } from '@nativescript/core';

export someComponentClass() {
someBindedUrl = 'Open Youtube.com'

// Event binded to the linkTap function on the HTMLLabel
onLinkTap(args) {
const link = args.link;
// expected to be https://youtube.com from the binded `` tag href value
// be sure to encodeURIComponent of any query string parameters if needed.
Utils.openUrl(link);
}
}

```

### Vue

```typescript
import Vue from 'nativescript-vue';

Vue.registerElement('HTMLLabel', () => require('@nativescript-community/ui-label').Label);
```

```html

```

```typescript

import Vue from 'vue';

export default Vue.extend({
data() {
return {
someBindedValue: "<p>This is really powerful. <b>Amazing to be quite honest</b></p>",
};
},
methods: {
// event binded to the linkTap on the HTMLLabel
onLinkTap(args) {
Utils.openUrl(args.link);
},
},
beforeDestroy() {},
});

```

### Properties

- **html**
Html text that will be used to render text. HTML supported tags are a bit different on iOS and Android. To make sure it works as expected, for now only used Android [supported ones](https://stackoverflow.com/questions/9754076/which-html-tags-are-supported-by-android-textview).

If using a `url` with parameters, be sure to encode the query string so Android can open the link accordingly.

- **verticalTextAlignment**
You can also set it through css with `vertical-text-alignment`

- **textShadow**
You can also set it through css with `text-shadow`. The format is `offsetx offsety blurradius color`

- **linkColor**
Color for any `
` tags inside the `HTMLLabel`.

- **linkUnderline**
Boolean to enable underline for any `
` tags inside the `HTMLLabel`.
- **linkTap**
Event to handle taps of any `
` tags inside the `HTMLLabel`. Access the `link` property of the event data from the `linkTap` event. See Samples above for example.

[](#improvements)

[](#improvements)

## Improvements

- Override the {N} font loading system to make it much faster
- faster creation of `FormattedString`
- faster label creation and drawing, especially on android

### Examples:

- [Basic Drawer](demo-snippets/vue3/BasicDrawer.vue)
- A basic sliding drawer.
- [All Sides](demo-snippets/vue3/AllSides.vue)
- An example of drawers on all sides: left, right, top, bottom.

[](#demos-and-development)

[](#demos-and-development)

## Demos and Development

### Repo Setup

The repo uses submodules. If you did not clone with ` --recursive` then you need to call
```
git submodule update --init
```

The package manager used to install and link dependencies must be `pnpm` or `yarn`. `npm` wont work.

To develop and test:
if you use `yarn` then run `yarn`
if you use `pnpm` then run `pnpm i`

**Interactive Menu:**

To start the interactive menu, run `npm start` (or `yarn start` or `pnpm start`). This will list all of the commonly used scripts.

### Build

```bash
npm run build.all
```
WARNING: it seems `yarn build.all` wont always work (not finding binaries in `node_modules/.bin`) which is why the doc explicitly uses `npm run`

### Demos

```bash
npm run demo.[ng|react|svelte|vue].[ios|android]

npm run demo.svelte.ios # Example
```

Demo setup is a bit special in the sense that if you want to modify/add demos you dont work directly in `demo-[ng|react|svelte|vue]`
Instead you work in `demo-snippets/[ng|react|svelte|vue]`
You can start from the `install.ts` of each flavor to see how to register new demos

[](#contributing)

[](#contributing)

## Contributing

### Update repo

You can update the repo files quite easily

First update the submodules

```bash
npm run update
```

Then commit the changes
Then update common files

```bash
npm run sync
```
Then you can run `yarn|pnpm`, commit changed files if any

### Update readme
```bash
npm run readme
```

### Update doc
```bash
npm run doc
```

### Publish

The publishing is completely handled by `lerna` (you can add `-- --bump major` to force a major release)
Simply run
```shell
npm run publish
```

### modifying submodules

The repo uses https:// for submodules which means you won't be able to push directly into the submodules.
One easy solution is t modify `~/.gitconfig` and add
```
[url "ssh://git@github.com/"]
pushInsteadOf = https://github.com/
```

[](#questions)

[](#questions)

## Questions

If you have any questions/issues/comments please feel free to create an issue or start a conversation in the [NativeScript Community Discord](https://nativescript.org/discord).

[](#demos-and-development)

## Demos and Development

### Repo Setup

The repo uses submodules. If you did not clone with ` --recursive` then you need to call
```
git submodule update --init
```

The package manager used to install and link dependencies must be `pnpm` or `yarn`. `npm` wont work.

To develop and test:
if you use `yarn` then run `yarn`
if you use `pnpm` then run `pnpm i`

**Interactive Menu:**

To start the interactive menu, run `npm start` (or `yarn start` or `pnpm start`). This will list all of the commonly used scripts.

### Build

```bash
npm run build.all
```
WARNING: it seems `yarn build.all` wont always work (not finding binaries in `node_modules/.bin`) which is why the doc explicitly uses `npm run`

### Demos

```bash
npm run demo.[ng|react|svelte|vue].[ios|android]

npm run demo.svelte.ios # Example
```

Demo setup is a bit special in the sense that if you want to modify/add demos you dont work directly in `demo-[ng|react|svelte|vue]`
Instead you work in `demo-snippets/[ng|react|svelte|vue]`
You can start from the `install.ts` of each flavor to see how to register new demos

[](#contributing)

## Contributing

### Update repo

You can update the repo files quite easily

First update the submodules

```bash
npm run update
```

Then commit the changes
Then update common files

```bash
npm run sync
```
Then you can run `yarn|pnpm`, commit changed files if any

### Update readme
```bash
npm run readme
```

### Update doc
```bash
npm run doc
```

### Publish

The publishing is completely handled by `lerna` (you can add `-- --bump major` to force a major release)
Simply run
```shell
npm run publish
```

### modifying submodules

The repo uses https:// for submodules which means you won't be able to push directly into the submodules.
One easy solution is t modify `~/.gitconfig` and add
```
[url "ssh://git@github.com/"]
pushInsteadOf = https://github.com/
```

[](#questions)

## Questions

If you have any questions/issues/comments please feel free to create an issue or start a conversation in the [NativeScript Community Discord](https://nativescript.org/discord).