Deep Linking — Setup for Android

This Part is for setting up DeepLink, this time for Android. I have written a post on how to set up Deep Link on iOS, and you can find the page here.

Setting up a deep link on android is very simple; you can do it manually or through the command.

Setup using command

To configure the external linking in Android, you can create a new intent in the manifest. The easiest way to do this is with the uri-scheme package:

npx uri-scheme add jlrecharge --android

RESULTED:
jalves@Justimianos-MacBook-Pro jlrecharge % npx uri-scheme add jlrecharge --android
› Android: Added URI protocol "jlrecharge" to project
jalves@Justimianos-MacBook-Pro jlrecharge %

Setup Manually

If you want to add it manually, open up SimpleApp/android/app/src/main/AndroidManifest.xml, and make the following adjustments:

1. Set launchMode of MainActivity to singleTask to receive intent on existing MainActivity (this is the default, so you may not need actually to change anything).
2. Add the new intent-filter inside the MainActivity entry with a VIEW type action:

  <activity 
    android:name=".MainActivity" 
    android:label="@string/app_name" 
    android:configChanges="keyboard|keyboardHidden|orientation|screenLayout|screenSize|smallestScreenSize|uiMode" 
    android:launchMode="singleTask" 
    android:windowSoftInputMode="adjustResize" 
    android:exported="true">
      <intent-filter>
        <action android:name="android.intent.action.MAIN"/>
        <category android:name="android.intent.category.LAUNCHER"/>
      </intent-filter>
      <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="jlrecharge"/>
      </intent-filter>
    </activity>

Validate the Deep Linking

The adb command can be used as follows to test deep links with the Android emulator or a connected device:

adb shell am start -W -a android.intent.action.VIEW -d [your deep link] [your android package name]

For example:

adb shell am start -W -a android.intent.action.VIEW -d "jlrecharge://home" com.jlrecharge.dev

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