CODEWITHSUNDEEP
androidreact-nativedeep-linkingreact-native-navigation
mattd
mattd

Reputation: 573

React native Linking.getInitialUrl on Android called always

I've a React-Native app with the following code (here App.js, the app entry point) that manages deep link on Android.

Linking.getInitialURL().then((deepLinkUrl) => {
  if (deepLinkUrl) {
    manageDeepLink(deepLinkUrl);
  } else {
    Navigation.startSingleScreenApp('rootScreen');
  }
});

The problem here is that getInitialURL is called every time I launch my app, from both deep link or normally, and everytime it contains deepLinkUrl parameter empty. I've registered in AndroidManifest my intent as follows:

<application
    android:name=".MainApplication"
    android:allowBackup="true"
    android:launchMode="singleTask"
    android:icon="@mipmap/ic_launcher"
    android:label="@string/app_name"
    android:theme="@style/AppTheme">
    <activity
        android:name=".MainActivity"
        android:label="@string/app_name"
        android:windowSoftInputMode="adjustResize">
        <!-- deeplink -->
        <intent-filter android:label="@string/app_name">
            <action android:name="android.intent.action.VIEW" />
            <category android:name="android.intent.category.DEFAULT" />
            <category android:name="android.intent.category.BROWSABLE" />
            <data android:scheme="myapp" />
        </intent-filter>
        <intent-filter>
            <action android:name="android.intent.action.MAIN"/>
            <action android:name="android.intent.action.DOWNLOAD_COMPLETE"/>
            <category android:name="android.intent.category.LAUNCHER"/>
        </intent-filter>
    </activity>

UPDATE I'm using react-native navigation to register screens, if this can e useful.

Upvotes: 5

Views: 2399

Answers (2)

Kakata Kyun
Kakata Kyun

Reputation: 724

Because you added android:launchMode="singleTask" to AndroidManifest.xml. Please modify it to android:launchMode="singleTop", then your problem will be gone.

Upvotes: 0

Marek Piechut
Marek Piechut

Reputation: 557

It seems it doesn't work if you register listener too soon in the app lifecycle (ex. directly in some .js file, so it's executed when app is loaded).

If you move it into componentDidMount() on the root component everything works fine.

    componentDidMount() {
        Linking.addEventListener('url', event => {
            console.warn('URL', event.url)
        })

        Linking.getInitialURL().then(url => {
            console.warn('INITIAL', url)
        })
    }

Upvotes: 2

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