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Is it possible to add a variable to manifests.xml file ?

For example, I'm setting FCM for my app and there's a piece of code:

<meta-data
    android:name="com.google.firebase.messaging.default_notification_channel_id"
    android:value="@string/default_notification_channel_id" />

My app need the @string/default_notification_channel_id changeable, is there any particalar way to do that ?

Many thanks!

Doug Stevenson
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Harry Nguyễn
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1 Answers1

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You can use manifest placeholder for that, Using It you will be able to have these based on app flavours

In your build.gradle file.

debug {
  minifyEnabled false
  debuggable true
  applicationIdSuffix ".debug"
  manifestPlaceholders = ["default_notification_channel_id": "abcdefgh"]
}
release {
  minifyEnabled true
  debuggable false

  manifestPlaceholders = ["default_notification_channel_id": "xyzuvw"]
}

and In your AndroidManifest file

<meta-data
  android:name="com.google.firebase.messaging.default_notification_channel_id"
  android:value="${default_notification_channel_id}"/>
akashzincle
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