private String copyBundledRealmFile(String oldFilePath, String outFileName) {
try {
File file = new File(activity.getApplicationContext().getFilesDir(), outFileName);
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;
}
・ホープ、このヘルプを復元するバックアップファイル
public void backup() {
try {
// create a backup file
File exportRealmFile;
exportRealmFile = new File(EXPORT_REALM_PATH, EXPORT_REALM_FILE_NAME);
// if backup file already exists, delete it
exportRealmFile.delete();
// copy current realm to backup file
realm.writeCopyTo(exportRealmFile);
} catch (IOException e) {
e.printStackTrace();
}
realm.close();
}
を作成します。
link