notifications preference

src/main/java/com/sparrowwallet/sparrow/AppController.java

@@ -926,6 +926,7 @@ public class AppController implements Initializable {
 
     @Subscribe
     public void newWalletTransactions(NewWalletTransactionsEvent event) {
+        if(Config.get().isNotifyNewTransactions()) {
             String text = "New " + (event.getBlockTransactions().size() > 1 ? "transactions: " : "transaction: ");
 
             BitcoinUnit unit = Config.get().getBitcoinUnit();
@@ -951,6 +952,7 @@ public class AppController implements Initializable {
 
             notificationBuilder.show();
         }
+    }
 
     @Subscribe
     public void statusUpdated(StatusEvent event) {

src/main/java/com/sparrowwallet/sparrow/io/Config.java

@@ -21,6 +21,7 @@ public class Config {
     private ExchangeSource exchangeSource;
     private boolean groupByAddress = true;
     private boolean includeMempoolChange = true;
+    private boolean notifyNewTransactions = true;
     private Integer keyDerivationPeriod;
     private File hwi;
     private String electrumServer;
@@ -123,6 +124,15 @@ public class Config {
         flush();
     }
 
+    public boolean isNotifyNewTransactions() {
+        return notifyNewTransactions;
+    }
+
+    public void setNotifyNewTransactions(boolean notifyNewTransactions) {
+        this.notifyNewTransactions = notifyNewTransactions;
+        flush();
+    }
+
     public Integer getKeyDerivationPeriod() {
         return keyDerivationPeriod;
     }

src/main/java/com/sparrowwallet/sparrow/preferences/GeneralPreferencesController.java

@@ -35,6 +35,9 @@ public class GeneralPreferencesController extends PreferencesDetailController {
     @FXML
     private UnlabeledToggleSwitch includeMempoolChange;
 
+    @FXML
+    private UnlabeledToggleSwitch notifyNewTransactions;
+
     private final ChangeListener<Currency> fiatCurrencyListener = new ChangeListener<Currency>() {
         @Override
         public void changed(ObservableValue<? extends Currency> observable, Currency oldValue, Currency newValue) {
@@ -78,6 +81,11 @@ public class GeneralPreferencesController extends PreferencesDetailController {
         includeMempoolChange.selectedProperty().addListener((observableValue, oldValue, newValue) -> {
             config.setIncludeMempoolChange(newValue);
         });
+
+        notifyNewTransactions.setSelected(config.isNotifyNewTransactions());
+        notifyNewTransactions.selectedProperty().addListener((observableValue, oldValue, newValue) -> {
+            config.setNotifyNewTransactions(newValue);
+        });
     }
 
     private void updateCurrencies(ExchangeSource exchangeSource) {

src/main/resources/com/sparrowwallet/sparrow/preferences/general.fxml

@@ -68,5 +68,11 @@
                 <HelpLabel helpText="Allow a wallet to spend UTXOs that are still in the mempool where all their inputs are from that wallet"/>
             </Field>
         </Fieldset>
+        <Fieldset inputGrow="SOMETIMES" text="Notifications" styleClass="wideLabelFieldSet">
+            <Field text="New transactions:">
+                <UnlabeledToggleSwitch fx:id="notifyNewTransactions" />
+                <HelpLabel helpText="Show system notifications on new wallet transactions"/>
+            </Field>
+        </Fieldset>
     </Form>
 </GridPane>