From 1bbbd5c4f6e4b16081d0be4651ae8879ce781e0f Mon Sep 17 00:00:00 2001
From: xioxin <5716100+xioxin@users.noreply.github.com>
Date: Thu, 8 Aug 2024 16:29:27 +0800
Subject: [PATCH] fix(battery_plus): handle empty power sources array

---
 .../battery_plus/macos/Classes/BatteryPlusMacosPlugin.swift    | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/packages/battery_plus/battery_plus/macos/Classes/BatteryPlusMacosPlugin.swift b/packages/battery_plus/battery_plus/macos/Classes/BatteryPlusMacosPlugin.swift
index a323d6a474..246336c034 100644
--- a/packages/battery_plus/battery_plus/macos/Classes/BatteryPlusMacosPlugin.swift
+++ b/packages/battery_plus/battery_plus/macos/Classes/BatteryPlusMacosPlugin.swift
@@ -48,6 +48,9 @@ public class BatteryPlusMacosPlugin: NSObject, FlutterPlugin {
     private func getBatteryLevel()-> Int {
         let powerSourceSnapshot = IOPSCopyPowerSourcesInfo().takeRetainedValue()
         let sources = IOPSCopyPowerSourcesList(powerSourceSnapshot).takeRetainedValue() as Array
+        if sources.isEmpty {
+            return -1
+        }
         let description = IOPSGetPowerSourceDescription(powerSourceSnapshot, sources[0]).takeUnretainedValue() as! [String: AnyObject]
         if let currentCapacity = description[kIOPSCurrentCapacityKey] as? Int {
             return currentCapacity;