Data Binding is not working after we change the package name...? Android Studio

  Data Binding is not working after we change the package name...?Android Studio

Solution:

1. Build > Clean Project

2.Go to your Build.gradle (Module) and disable databinding:

android {

    buildFeatures {

        viewBinding false

    }

}

3.File > Sync Project with Gradle Files

4.Build > Rebuild Project ,Now enable databinding again:

android {

   buildFeatures {

        viewBinding true

    }

}

5.File > Sync Project with Gradle Files

When enable setPersistenceEnabled(true). Firebase Realtime Database retrieving old data ?

 When enable setPersistenceEnabled(true). Firebase Realtime Database retrieving old  data ?

its showing old data. for that u have to add one more line.

FirebaseDatabase.getInstance().setPersistenceEnabled(true);
FirebaseDatabase.getInstance().getReference().keepSynced(true);