import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStream;
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStream;
public static final String DESCRIPTION_HISTORY_TABLE = "description_history";
public static final String OPT_TRANSACTION_LIST_STAMP = "transaction_list_last_update";
public static final String OPT_LAST_REFRESH = "last_refresh";
public static final String DESCRIPTION_HISTORY_TABLE = "description_history";
public static final String OPT_TRANSACTION_LIST_STAMP = "transaction_list_last_update";
public static final String OPT_LAST_REFRESH = "last_refresh";
private static MobileLedgerDatabase helperForReading, helperForWriting;
private static Application context;
private static void checkState() {
private static MobileLedgerDatabase helperForReading, helperForWriting;
private static Application context;
private static void checkState() {