@jigra/app

The App API handles high level App state and events. For example, this API emits events when the app enters and leaves the foreground, handles deeplinks, opens other apps, and manages persisted plugin state.

Install

npm install @jigra/app
npx jig sync

iOS

For being able to open the app from a custom scheme you need to register the scheme first. You can do it by editing the Info.plist file and adding this lines.

<key>CFBundleURLTypes</key>
<array>
  <dict>
    <key>CFBundleURLName</key>
    <string>com.getjigra.jigra</string>
    <key>CFBundleURLSchemes</key>
    <array>
      <string>mycustomscheme</string>
    </array>
  </dict>
</array>

Android

For being able to open the app from a custom scheme you need to register the scheme first. You can do it by adding this lines inside the activity section of the AndroidManifest.xml.

<intent-filter>
    <action android:name="android.intent.action.VIEW" />
    <category android:name="android.intent.category.DEFAULT" />
    <category android:name="android.intent.category.BROWSABLE" />
    <data android:scheme="@string/custom_url_scheme" />
</intent-filter>

custom_url_scheme value is stored in strings.xml. When the Android platform is added, @jigra/cli adds the app's package name as default value, but can be replaced by editing the strings.xml file.

Example

import { App } from '@jigra/app';

App.addListener('appStateChange', ({ isActive }) => {
  console.log('App state changed. Is active?', isActive);
});

App.addListener('appUrlOpen', data => {
  console.log('App opened with URL:', data);
});

App.addListener('appRestoredResult', data => {
  console.log('Restored state:', data);
});

const checkAppLaunchUrl = async () => {
  const { url } = await App.getLaunchUrl();

  console.log('App opened with URL: ' + url);
};

exitApp()

exitApp() => Promise<void>

Force exit the app. This should only be used in conjunction with the backButton handler for Android to exit the app when navigation is complete.

Family handles this itself so you shouldn't need to call this if using Family.

Since: 1.0.0

getInfo()

getInfo() => Promise<AppInfo>

Return information about the app.

Returns: Promise<AppInfo>

Since: 1.0.0

getState()

getState() => Promise<AppState>

Gets the current app state.

Returns: Promise<AppState>

Since: 1.0.0

getLaunchUrl()

getLaunchUrl() => Promise<AppLaunchUrl | undefined>

Get the URL the app was launched with, if any.

Returns: Promise<AppLaunchUrl>

Since: 1.0.0

minimizeApp()

minimizeApp() => Promise<void>

Minimizes the application.

Only available for Android.

Since: 1.1.0

addListener('appStateChange', ...)

addListener(eventName: "appStateChange", listenerFunc: StateChangeListener) => Promise<PluginListenerHandle>

Listen for changes in the app or the activity states.

On iOS it's fired when the native UIApplication.willResignActiveNotification and UIApplication.didBecomeActiveNotification events get fired. On Android it's fired when the Jigra's Activity onResume and onStop methods gets called. On Web it's fired when the document's visibilitychange gets fired.

Param	Type
`eventName`	`'appStateChange'`
`listenerFunc`	`StateChangeListener`

Returns: Promise<PluginListenerHandle>

Since: 1.0.0

addListener('pause', ...)

addListener(eventName: "pause", listenerFunc: () => void) => Promise<PluginListenerHandle>

Listen for when the app or the activity are paused.

On iOS it's fired when the native UIApplication.didEnterBackgroundNotification event gets fired. On Android it's fired when the Jigra's Activity onPause method gets called. On Web it's fired when the document's visibilitychange gets fired and document.hidden is true.

Param	Type
`eventName`	`'pause'`
`listenerFunc`	`() => void`

Returns: Promise<PluginListenerHandle>

Since: 4.1.0

addListener('resume', ...)

addListener(eventName: "resume", listenerFunc: () => void) => Promise<PluginListenerHandle>

Listen for when the app or activity are resumed.

On iOS it's fired when the native UIApplication.willEnterForegroundNotification event gets fired. On Android it's fired when the Jigra's Activity onResume method gets called, but only after resume has fired first. On Web it's fired when the document's visibilitychange gets fired and document.hidden is false.

Param	Type
`eventName`	`'resume'`
`listenerFunc`	`() => void`

Returns: Promise<PluginListenerHandle>

Since: 4.1.0

addListener('appUrlOpen', ...)

addListener(eventName: "appUrlOpen", listenerFunc: URLOpenListener) => Promise<PluginListenerHandle>

Listen for url open events for the app. This handles both custom URL scheme links as well as URLs your app handles (Universal Links on iOS and App Links on Android)

Param	Type
`eventName`	`'appUrlOpen'`
`listenerFunc`	`URLOpenListener`

Returns: Promise<PluginListenerHandle>

Since: 1.0.0

addListener('appRestoredResult', ...)

addListener(eventName: "appRestoredResult", listenerFunc: RestoredListener) => Promise<PluginListenerHandle>

If the app was launched with previously persisted plugin call data, such as on Android when an activity returns to an app that was closed, this call will return any data the app was launched with, converted into the form of a result from a plugin call.

On Android, due to memory constraints on low-end devices, it's possible that, if your app launches a new activity, your app will be terminated by the operating system in order to reduce memory consumption.

For example, that means the Camera API, which launches a new Activity to take a photo, may not be able to return data back to your app.

To avoid this, Jigra stores all restored activity results on launch. You should add a listener for appRestoredResult in order to handle any plugin call results that were delivered when your app was not running.

Once you have that result (if any), you can update the UI to restore a logical experience for the user, such as navigating or selecting the proper tab.

We recommend every Android app using plugins that rely on external Activities (for example, Camera) to have this event and process handled.

Param	Type
`eventName`	`'appRestoredResult'`
`listenerFunc`	`RestoredListener`

Returns: Promise<PluginListenerHandle>

Since: 1.0.0

addListener('backButton', ...)

addListener(eventName: "backButton", listenerFunc: BackButtonListener) => Promise<PluginListenerHandle>

Listen for the hardware back button event (Android only). Listening for this event will disable the default back button behaviour, so you might want to call window.history.back() manually. If you want to close the app, call App.exitApp().

Param	Type
`eventName`	`'backButton'`
`listenerFunc`	`BackButtonListener`

Returns: Promise<PluginListenerHandle>

Since: 1.0.0

removeAllListeners()

removeAllListeners() => Promise<void>

Remove all native listeners for this plugin

Since: 1.0.0

Interfaces

AppInfo

Prop	Type	Description	Since
`name`	`string`	The name of the app.	1.0.0
`id`	`string`	The identifier of the app. On iOS it's the Bundle Identifier. On Android it's the Application ID	1.0.0
`build`	`string`	The build version. On iOS it's the CFBundleVersion. On Android it's the versionCode.	1.0.0
`version`	`string`	The app version. On iOS it's the CFBundleShortVersionString. On Android it's package's versionName.	1.0.0

AppState

Prop	Type	Description	Since
`isActive`	`boolean`	Whether the app is active or not.	1.0.0

AppLaunchUrl

Prop	Type	Description	Since
`url`	`string`	The url used to open the app.	1.0.0

PluginListenerHandle

Prop	Type
`remove`	`() => Promise<void>`

URLOpenListenerEvent

Prop	Type	Description	Since
`url`	`string`	The URL the app was opened with.	1.0.0
`iosSourceApplication`	`any`	The source application opening the app (iOS only) https://developer.apple.com/documentation/uikit/uiapplicationopenurloptionskey/1623128-sourceapplication	1.0.0
`iosOpenInPlace`	`boolean`	Whether the app should open the passed document in-place or must copy it first. https://developer.apple.com/documentation/uikit/uiapplicationopenurloptionskey/1623123-openinplace	1.0.0

RestoredListenerEvent

Prop	Type	Description	Since
`pluginId`	`string`	The pluginId this result corresponds to. For example, `Camera`.	1.0.0
`methodName`	`string`	The methodName this result corresponds to. For example, `getPhoto`	1.0.0
`data`	`any`	The result data passed from the plugin. This would be the result you'd expect from normally calling the plugin method. For example, `CameraPhoto`	1.0.0
`success`	`boolean`	Boolean indicating if the plugin call succeeded.	1.0.0
`error`	`{ message: string; }`	If the plugin call didn't succeed, it will contain the error message.	1.0.0

BackButtonListenerEvent

Prop	Type	Description	Since
`canGoBack`	`boolean`	Indicates whether the browser can go back in history. False when the history stack is on the first entry.	1.0.0

Type Aliases

StateChangeListener

(state: AppState): void

@jigra/app

@jigra/app

Install

iOS

Android

Example

API

exitApp()

getInfo()

getState()

getLaunchUrl()

minimizeApp()

addListener('appStateChange', ...)

addListener('pause', ...)

addListener('resume', ...)

addListener('appUrlOpen', ...)

addListener('appRestoredResult', ...)

addListener('backButton', ...)

removeAllListeners()

Interfaces

AppInfo

AppState

AppLaunchUrl

PluginListenerHandle

URLOpenListenerEvent

RestoredListenerEvent

BackButtonListenerEvent

Type Aliases

StateChangeListener

URLOpenListener

RestoredListener

BackButtonListener

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