getInstalledApps method
Get list of installed apps Returns a list of maps with keys: "packageName", "appName", "isSystemApp"
Implementation
@override
Future<List<Map<String, dynamic>>> getInstalledApps() async {
final apps = await methodChannel.invokeMethod<List<dynamic>>(
'getInstalledApps',
);
if (apps == null) return [];
return apps.map((app) => Map<String, dynamic>.from(app as Map)).toList();
}