johrpan/christmas_cats
1
0
Fork 0
mirror of https://github.com/johrpan/christmas_cats.git synced 2025-10-28 19:27:25 +01:00
Code Issues Projects Releases Packages Wiki Activity Actions

Add coins to storage

Browse source 
This adds an integer value representing the amount of coins that the
player has. Therefore rxdart is introduced as a dependency.
This commit is contained in:
Elias Projahn 2020-01-19 12:57:16 +01:00
parent b8d9ca91b4
commit b267459114
2 changed files with 19 additions and 1 deletions
Download patch file Download diff file Expand all files Collapse all files

19
lib/storage.dart
View file

@ -1,8 +1,11 @@
import 'package:rxdart/rxdart.dart';
import 'package:shared_preferences/shared_preferences.dart';
final storage = Storage();
class Storage {
final coins = BehaviorSubject.seeded(0);
SharedPreferences shPref;
int get highScore1 {
@ -30,7 +33,21 @@ class Storage {
}
Future<void> init() async {
shPref = await SharedPreferences.getInstance();
if (shPref == null) {
shPref = await SharedPreferences.getInstance();
try {
coins.add(shPref.getInt('coins') ?? 0);
} on TypeError {
// Nothing to do
}
}
}
Future<void> addCoins(int amount) async {
final newCoins = coins.value + amount;
coins.add(newCoins);
await shPref.setInt('coins', newCoins);
}
Future<void> addScore(int score) async {