/// <summary>
/// Gets the memory cache size based on a percentage of the max available VM memory.
/// </summary>
/// <example>setting percent to 0.2 would set the memory cache to one fifth of the available memory</example>
/// <param name="percent">Percent of available app memory to use to size memory cache</param>
/// <returns></returns>
private static int GetCacheSizeInPercent(float percent)
{
if (percent < 0.01f || percent > 0.8f)
{
throw new Exception("GetCacheSizeInPercent - percent must be between 0.01 and 0.8 (inclusive)");
}
var context = new Android.Content.ContextWrapper(Android.App.Application.Context);
var am = (ActivityManager)context.GetSystemService(Context.ActivityService);
bool largeHeap = (context.ApplicationInfo.Flags & ApplicationInfoFlags.LargeHeap) != 0;
int memoryClass = am.MemoryClass;
if (largeHeap && Utils.HasHoneycomb())
{
memoryClass = am.LargeMemoryClass;
}
int availableMemory = 1024 * 1024 * memoryClass;
return((int)Math.Round(percent * availableMemory));
}
public void InitLocationService()
{
var wrapper = new Android.Content.ContextWrapper(Forms.Context);
_locationManager = (LocationManager) wrapper.GetSystemService(Context.LocationService);
Criteria criteriaForLocationService = new Criteria
{
Accuracy = Accuracy.Fine
};
IList<string> acceptableLocationProviders = _locationManager.GetProviders(criteriaForLocationService, true);
if (acceptableLocationProviders.Any())
{
_locationProvider = acceptableLocationProviders.First();
_locationManager.RequestLocationUpdates(_locationProvider, 2000, 10, this);
}
else
{
_locationProvider = String.Empty;
}
Console.WriteLine("Using " + _locationProvider + ".");
}
public void InitLocationService()
{
var wrapper = new Android.Content.ContextWrapper(Forms.Context);
_locationManager = (LocationManager)wrapper.GetSystemService(Context.LocationService);
Criteria criteriaForLocationService = new Criteria
{
Accuracy = Accuracy.Fine
};
IList <string> acceptableLocationProviders = _locationManager.GetProviders(criteriaForLocationService, true);
if (acceptableLocationProviders.Any())
{
_locationProvider = acceptableLocationProviders.First();
_locationManager.RequestLocationUpdates(_locationProvider, 2000, 10, this);
}
else
{
_locationProvider = String.Empty;
}
Console.WriteLine("Using " + _locationProvider + ".");
}
/// <summary>
/// Gets the memory cache size based on a percentage of the max available VM memory.
/// </summary>
/// <example>setting percent to 0.2 would set the memory cache to one fifth of the available memory</example>
/// <param name="percent">Percent of available app memory to use to size memory cache</param>
/// <returns></returns>
private static int GetCacheSizeInPercent(float percent)
{
if (percent < 0.01f || percent > 0.8f)
throw new Exception("GetCacheSizeInPercent - percent must be between 0.01 and 0.8 (inclusive)");
var context = new Android.Content.ContextWrapper(Android.App.Application.Context);
var am = (ActivityManager) context.GetSystemService(Context.ActivityService);
bool largeHeap = (context.ApplicationInfo.Flags & ApplicationInfoFlags.LargeHeap) != 0;
int memoryClass = am.MemoryClass;
if (largeHeap && Utils.HasHoneycomb())
{
memoryClass = am.LargeMemoryClass;
}
int availableMemory = 1024 * 1024 * memoryClass;
return (int)Math.Round(percent * availableMemory);
}
