Please set your constraint to battery: '>=0.3.y+x <2.0.0'
The battery plugin has reached a stable API, we guarantee that version 1.0.0 will be backward compatible with 0.3.y+z. Please use battery: '>=0.3.y+x <2.0.0' as your dependency constraint to allow a smoother ecosystem migration. For more details see: https://github.com/flutter/flutter/wiki/Package-migration-to-1.0.0
A Flutter plugin to access various information about the battery of the device the app is running on.
To use this plugin, add battery as a dependency in your pubspec.yaml file.
// Import package import 'package:battery/battery.dart'; // Instantiate it var battery = Battery(); // Access current battery level print(await battery.batteryLevel); // Be informed when the state (full, charging, discharging) changes _battery.onBatteryStateChanged.listen((BatteryState state) { // Do something with new state });