private static double GetPowerUsage(IntPtr dataHandle, PowerUsageResourceType rtype)
{
double batteryUsage = 0;
PowerUsageError ret = (PowerUsageError)Interop.PowerUsage.UsageDataGetPowerUsagePerResource(dataHandle, rtype, out batteryUsage);
if (ret != PowerUsageError.None)
{
Log.Error(PowerUsageErrorFactory.LogTag, "Error getting battery usage for resource" + ret);
throw PowerUsageErrorFactory.ThrowPowerUsageException(ret);
}
return(batteryUsage);
}
/// <summary>
/// Gets the battery usage in mAh(milli-Ampere hour) by a resource for certain time interval.
/// </summary>
/// <since_tizen> 7 </since_tizen>
/// <param name="rtype">Identifier of resource type. BLE, WiFi, CPU etc.</param>
/// <param name="start">Start Time for data in DateTime.</param>
/// <param name="end">End Time for data in DateTime.</param>
/// <returns>Returns the battery usage in mAh(milli-Ampere hour) by a resource for certain time interval.</returns>
/// <feature>http://tizen.org/feature/battery</feature>
/// <privilege>http://tizen.org/privilege/systemmonitor</privilege>
/// <exception cref="ArgumentException">When an invalid parameter value is set.</exception>
/// <exception cref="UnauthorizedAccessException">If the privilege is not set.</exception>
/// <exception cref="InvalidOperationException">In case of any system error.</exception>
/// <exception cref="NotSupportedException">In case power usage is not supported</exception>
public static double GetPowerUsage(PowerUsageResourceType rtype, DateTime start, DateTime end)
{
double batteryUsage = 0;
PowerUsageError ret = (PowerUsageError)Interop.PowerUsage.GetPowerUsageByResource(rtype, Convert.ToInt32(((DateTimeOffset)start).ToUnixTimeSeconds()), Convert.ToInt32(((DateTimeOffset)end).ToUnixTimeSeconds()), out batteryUsage);
if (ret != PowerUsageError.None)
{
if (ret == PowerUsageError.RecordNotFound)
{
Log.Error(PowerUsageErrorFactory.LogTag, "Error PowerUsageResourceType is not supported");
throw new ArgumentException($"{rtype} is not supproted", nameof(rtype));
}
else
{
Log.Error(PowerUsageErrorFactory.LogTag, "Error getting battery usage by resource ," + ret);
throw PowerUsageErrorFactory.ThrowPowerUsageException(ret);
}
}
return(batteryUsage);
}
internal static extern int GetPowerUsageByAppPerResource(string appID, PowerUsageResourceType rtype, int startTime, int endTime, out double batteryUsage);
internal static extern int GetPowerUsageByResource(PowerUsageResourceType rtype, int startTime, int endTime, out double batteryUsage);
internal static extern int UsageDataGetPowerUsagePerResource(IntPtr dataHandle, PowerUsageResourceType rtype, out double batteryUsage);
