fix issues from PR

android/app/src/main/java/com/cakewallet/cake_wallet/MainActivity.java

@@ -42,11 +42,11 @@ public class MainActivity extends FlutterFragmentActivity {
             switch (call.method) {
                 case "enableWakeScreen":
                     getWindow().addFlags(WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON);
-                    handler.post(() -> result.success("screen wake turned ON"));
+                    handler.post(() -> result.success(true));
                     break;
                 case "disableWakeScreen":
                     getWindow().clearFlags(WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON);
-                    handler.post(() -> result.success("screen wake turned OFF"));
+                    handler.post(() -> result.success(true));
                     break;
                 case "sec_random":
                     int count = call.argument("count");

android/app/src/main/java/com/monero/app/MainActivity.java

@@ -42,11 +42,11 @@ public class MainActivity extends FlutterFragmentActivity {
             switch (call.method) {
                 case "enableWakeScreen":
                     getWindow().addFlags(WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON);
-                    handler.post(() -> result.success("screen wake turned ON"));
+                    handler.post(() -> result.success(true));
                     break;
                 case "disableWakeScreen":
                     getWindow().clearFlags(WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON);
-                    handler.post(() -> result.success("screen wake turned ON"));
+                    handler.post(() -> result.success(true));
                     break;
                 case "sec_random":
                     int count = call.argument("count");

ios/CakeWallet/wakeLock.swift

@@ -8,13 +8,13 @@
 import Foundation
 import UIKit
 
-func enableWakeScreen() -> String {
+func enableWakeScreen() -> Bool{
     UIApplication.shared.isIdleTimerDisabled = true
 
-    return "screen wake turned ON"
+    return true
 }
 
-func disableWakeScreen() -> String{
+func disableWakeScreen() -> Bool{
     UIApplication.shared.isIdleTimerDisabled = false
-    return "screen wake turned OFF"
+    return true
 }

lib/reactions/on_wallet_sync_status_change.dart

@@ -14,7 +14,7 @@ void startWalletSyncStatusChangeReaction(
     WalletBase<Balance, TransactionHistoryBase<TransactionInfo>,
             TransactionInfo>
         wallet) {
-  final WakeLock _wakeLock = getIt.get<WakeLock>();
+  final _wakeLock = getIt.get<WakeLock>();
   _onWalletSyncStatusChangeReaction?.reaction?.dispose();
   _onWalletSyncStatusChangeReaction =
       reaction((_) => wallet.syncStatus, (SyncStatus status) async {