X-Git-Url: https://git.ktnx.net/?p=mobile-ledger.git;a=blobdiff_plain;f=app%2Fsrc%2Fmain%2Fjava%2Fnet%2Fktnx%2Fmobileledger%2Fui%2Ftransaction_list%2FTransactionListViewModel.java;h=6e20f65221bf39409f4f406432bc40139deb3845;hp=513bf9f48f0aeef72e8649955a19ac48d574de15;hb=13cdbbfd0d04c3f3e31c313641dc66e5fac7f126;hpb=bacefcef0a636ed2334b50566a029e120642d929 diff --git a/app/src/main/java/net/ktnx/mobileledger/ui/transaction_list/TransactionListViewModel.java b/app/src/main/java/net/ktnx/mobileledger/ui/transaction_list/TransactionListViewModel.java index 513bf9f4..6e20f652 100644 --- a/app/src/main/java/net/ktnx/mobileledger/ui/transaction_list/TransactionListViewModel.java +++ b/app/src/main/java/net/ktnx/mobileledger/ui/transaction_list/TransactionListViewModel.java @@ -24,8 +24,6 @@ import net.ktnx.mobileledger.model.Data; import net.ktnx.mobileledger.model.TransactionListItem; import net.ktnx.mobileledger.utils.ObservableValue; -import java.util.List; - import androidx.lifecycle.ViewModel; public class TransactionListViewModel extends ViewModel { @@ -40,16 +38,12 @@ public class TransactionListViewModel extends ViewModel { task.executeOnExecutor(AsyncTask.THREAD_POOL_EXECUTOR, filter); } public static TransactionListItem getTransactionListItem(int position) { - List transactions = Data.transactions.get(); - if (transactions == null) return null; - if (position >= transactions.size() + 1) return null; - if (position == transactions.size()) return new TransactionListItem(); - return transactions.get(position); - } - public static int getTransactionCount() { - List transactions = Data.transactions.get(); - if (transactions == null) return 0; - return transactions.size(); + try(LockHolder lh = Data.transactions.lockForReading()) { + if (Data.transactions == null) return null; + if (position >= Data.transactions.size() + 1) return null; + if (position == Data.transactions.size()) return new TransactionListItem(); + return Data.transactions.get(position); + } } private static class UTT extends UpdateTransactionsTask { @Override