/// <inheritdoc />
public override void OnReceive(Context context, Intent intent)
{
if (this.Updated == null)
{
return;
}
var batteryLevel = intent.GetIntExtra(BatteryManager.ExtraLevel, -1);
var batteryScale = intent.GetIntExtra(BatteryManager.ExtraScale, -1);
var batteryStatus = intent.GetIntExtra(BatteryManager.ExtraStatus, -1);
var status = BatteryStatus.NotPresent;
switch (batteryStatus)
{
case (int)Android.OS.BatteryStatus.Charging:
status = BatteryStatus.Charging;
break;
case (int)Android.OS.BatteryStatus.Discharging:
status = BatteryStatus.Discharging;
break;
case (int)Android.OS.BatteryStatus.Full:
case (int)Android.OS.BatteryStatus.NotCharging:
status = BatteryStatus.Idle;
break;
case (int)Android.OS.BatteryStatus.Unknown:
status = BatteryStatus.NotPresent;
break;
}
var remainingChargePercent = (int)Math.Floor(batteryLevel * 100D / batteryScale);
if (status != this.previousStatus || remainingChargePercent != this.previousRemainingCharge)
{
lock (this.obj)
{
var eventArgs = new BatteryStatusChangedEventArgs(status, remainingChargePercent);
try
{
this.Updated?.Invoke(this, eventArgs);
}
catch (Exception ex)
{
#if DEBUG
System.Diagnostics.Debug.WriteLine(ex.ToString());
#endif
}
finally
{
this.previousStatus = status;
this.previousRemainingCharge = remainingChargePercent;
}
}
}
}
private void OnPowerReceiverUpdated(object sender, BatteryStatusChangedEventArgs args)
{
if (args != null)
{
this.BatteryStatusChanged?.Invoke(this, args.BatteryStatus);
this.RemainingChargePercentChanged?.Invoke(this, args.RemainingChargePercent);
}
}