import net.ktnx.mobileledger.async.RetrieveTransactionsTask;
import net.ktnx.mobileledger.ui.activity.MainActivity;
import net.ktnx.mobileledger.utils.LockHolder;
import net.ktnx.mobileledger.async.RetrieveTransactionsTask;
import net.ktnx.mobileledger.ui.activity.MainActivity;
import net.ktnx.mobileledger.utils.LockHolder;