replace_imports.groovy

allprojects {
  def mappings = [
    'android.support.annotation': 'androidx.annotation',
    'android.arch.lifecycle': 'androidx.lifecycle',
    'android.support.v4.app.NotificationCompat': 'androidx.core.app.NotificationCompat',
    'android.support.v4.app.ActivityCompat': 'androidx.core.app.ActivityCompat',
    'android.support.v4.content.ContextCompat': 'androidx.core.content.ContextCompat',
    'android.support.v13.app.FragmentCompat': 'androidx.legacy.app.FragmentCompat',
    'android.arch.lifecycle.Lifecycle': 'androidx.lifecycle.Lifecycle',
    'android.arch.lifecycle.LifecycleObserver': 'androidx.lifecycle.LifecycleObserver',
    'android.arch.lifecycle.OnLifecycleEvent': 'androidx.lifecycle.OnLifecycleEvent',
    'android.arch.lifecycle.ProcessLifecycleOwner': 'androidx.lifecycle.ProcessLifecycleOwner',
  ]

  beforeEvaluate { project ->
    project.rootProject.projectDir.traverse(type: groovy.io.FileType.FILES, nameFilter: ~/.*\.java$/) { f ->
      mappings.each { entry ->
        if (f.getText('UTF-8').contains(entry.key)) {
          println "Updating ${entry.key} to ${entry.value} in file ${f}"
          ant.replace(file: f, token: entry.key, value: entry.value)
        }
      }
    }
  }
}