content: package com.anistream.xyz;
  
  public class RealmMigration  {
  
     /* private final static String TAG = RealmMigration.class.getName();
  
      private Context context;
      private Realm realm;
  
      public RealmMigration(Context context) {
          this.realm = Realm.getInstance(BaseApplication.realmConfiguration);
          this.context = context;
      }
  
      public void backup() {
  
          File exportRealmFile = null;
  
          File exportRealmPATH = context.getExternalFilesDir(null);
          String exportRealmFileName = "default.realm";
  
          Log.d(TAG, "Realm DB Path = "+realm.getPath());
  
          try {
              // create a backup file
              exportRealmFile = new File(exportRealmPATH, exportRealmFileName);
  
              // if backup file already exists, delete it
              exportRealmFile.delete();
  
              // copy current realm to backup file
              realm.writeCopyTo(exportRealmFile);
  
          } catch (IOException e) {
              e.printStackTrace();
          }
  
          String msg =  "File exported to Path: "+ context.getExternalFilesDir(null);
          Toast.makeText(context, msg, Toast.LENGTH_LONG).show();
          Log.d(TAG, msg);
  
  
          realm.close();
  
      }
  
      public void restore() {
  
          //Restore
          File exportRealmPATH = context.getExternalFilesDir(null);
          String FileName = "default.realm";
  
          String restoreFilePath = context.getExternalFilesDir(null) + "/"+FileName;
  
          Log.d(TAG, "oldFilePath = " + restoreFilePath);
  
          copyBundledRealmFile(restoreFilePath, FileName);
          Log.d(TAG, "Data restore is done");
  
      }
  
      private String copyBundledRealmFile(String oldFilePath, String outFileName) {
          try {
              File file = new File(context.getFilesDir(), outFileName);
  
              Log.d(TAG, "context.getFilesDir() = " + context.getFilesDir().toString());
              FileOutputStream outputStream = new FileOutputStream(file);
  
              FileInputStream inputStream = new FileInputStream(new File(oldFilePath));
  
              byte[] buf = new byte[1024];
              int bytesRead;
              while ((bytesRead = inputStream.read(buf)) > 0) {
                  outputStream.write(buf, 0, bytesRead);
              }
              outputStream.close();
              return file.getAbsolutePath();
          } catch (IOException e) {
              e.printStackTrace();
          }
          return null;
      }
  
      private String dbPath(){
  
          return realm.getPath();*/
      }