使用Xamarin Android检测电池充满时的设备

using Android.App;
using Android.Content;
using Android.OS;
using Android.Widget;

namespace BatteryStatusApp
{
    [Activity(Label = "BatteryStatusApp", MainLauncher = true)]
    public class MainActivity : Activity
    {
        private TextView batteryStatusTextView;

        protected override void OnCreate(Bundle savedInstanceState)
        {
            base.OnCreate(savedInstanceState);
            SetContentView(Resource.Layout.Main);

            batteryStatusTextView = FindViewById<TextView>(Resource.Id.batteryStatusTextView);

            // 注册电池状态改变的广播接收器
            var batteryStatusReceiver = new BatteryStatusReceiver();
            RegisterReceiver(batteryStatusReceiver, new IntentFilter(Intent.ActionBatteryChanged));
        }

        // 广播接收器类，用于接收电池状态改变的广播
        public class BatteryStatusReceiver : BroadcastReceiver
        {
            public override void OnReceive(Context context, Intent intent)
            {
                // 获取电池状态
                int status = intent.GetIntExtra(BatteryManager.ExtraStatus, -1);

                // 检查电池是否充满
                bool isCharging = status == BatteryStatus.Full;

                // 更新UI显示
                MainActivity mainActivity = (MainActivity)context;
                mainActivity.batteryStatusTextView.Text = isCharging ? "设备电池已充满" : "设备电池未充满";
            }
        }
    }
}