# Class: App<no value>
Class that all Apps must extends to be registered. It is used to setup how the app is working.


### Type parameters

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| Name | Type                        | Description                                                                                   |
|:-----|:----------------------------|:----------------------------------------------------------------------------------------------|
| `T`  | extends `object` = `object` | App options. ie : you need multiple instance of an App with different styles for development. |

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### Implements

-   `IApp`&lt;`T`&gt;


### Properties

#### BootMode

• **BootMode**: [`AppBootMode`](../../enums/enum-appbootmode/) = `AppBootMode.COLD`

Desired AppBootMode

**`Default Value`**

> `AppBootMode.COLD`


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IApp.BootMode

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#### SuspendMode

• **SuspendMode**: [`AppSuspendMode`](../../enums/enum-appsuspendmode/) = `AppSuspendMode.SLEEP`

Desired AppSuspendMode

**`Default Value`**

> `AppSuspendMode.SLEEP`


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IApp.SuspendMode


### Accessors

#### isReady

• `get` **isReady**(): `boolean`

Boolean to check if app is loaded and installed.


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`boolean`

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#### internalName

• `get` **internalName**(): `string`

Internal app name


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`string`

**`Default Value`**

> Class's name (`this.constructor.name`)


{{< fake-header "5" "Implementation Of" >}}

IApp.internalName

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#### unitsSettingsManager

• `get` **unitsSettingsManager**(): `UnitsSettingsManager`

EFB units settings manager


{{< fake-header "5" "Returns" >}}

`UnitsSettingsManager`


{{< fake-header "5" "Implementation Of" >}}

IApp.unitsSettingsManager

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#### efbSettingsManager

• `get` **efbSettingsManager**(): `EfbSettingsManager`

EFB settings manager


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`EfbSettingsManager`

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#### name

• `get` **name**(): `string`

App friendly name (shown on the App List)


{{< fake-header "5" "Returns" >}}

`string`


{{< fake-header "5" "Implementation Of" >}}

IApp.name

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#### icon

• `get` **icon**(): `string`

App icon (must return an uri)


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`string`


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IApp.icon


### Methods

#### install

▸ **install**(`props`): [`Promise`](https://developer.mozilla.org/docs/Web/JavaScript/Reference/Global_Objects/Promise)&lt;`void`&gt;

Install hook


##### Parameters

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| Name    | Type                         |
|:--------|:-----------------------------|
| `props` | `AppInstallProps`&lt;`T`&gt; |

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{{< fake-header "5" "Returns" >}}

[`Promise`](https://developer.mozilla.org/docs/Web/JavaScript/Reference/Global_Objects/Promise)&lt;`void`&gt;


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IApp.install

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#### render

▸ **render**(): [`TVNode`](../../interfaces/interface-tvnode/)&lt;[`AppView`](../class-appview/)&lt;[`AppViewProps`](../../interfaces/interface-appviewprops/)&gt;, `unknown`&gt;

Must render an extended AppView for the App


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[`TVNode`](../../interfaces/interface-tvnode/)&lt;[`AppView`](../class-appview/)&lt;[`AppViewProps`](../../interfaces/interface-appviewprops/)&gt;, `unknown`&gt;


{{< fake-header "5" "Implementation Of" >}}

IApp.render


{{< fake-header "5" "Returns" >}}

[`Float64Array`](https://developer.mozilla.org/docs/Web/JavaScript/Reference/Global_Objects/Float64Array)

Coordinates from top-left offset.