backup_zip

backup.kt

suspend fun packZipFileForBackup(context: Context): File? {
  return withContext(Dispatchers.IO) {
    val dbFile = context.getDatabasePath("dbName.db")
    val dbParentDirectory = dbFile.parentFile
    val zipFilePath = context.filesDir.path + "backup.zip" // create zip file for backup
    val zipFile = File(zipFilePath)

    val daraDir = context.filesDir.parentFile
    if (daraDir != null) {
      val sharedPrefDirectoryPath = daraDir.absolutePath + "/shared_prefs"
      val encZipFile = ZipFile(zipFile.absolutePath, "password".toCharArray())
      val zipParameters = ZipParameters()
      zipParameters.isEncryptFiles = true
      zipParameters.encryptionMethod = EncryptionMethod.AES
      encZipFile.addFolder(File(sharedPrefDirectoryPath), zipParameters) // add shared pref directory
      encZipFile.addFolder(context.filesDir, zipParameters) // add files directory
      encZipFile.addFolder(dbParentDirectory, zipParameters) // add database directory
    }
    return@withContext zipFile
  }
}