private void OnDispose()
{
if (_drawableCache != null)
{
foreach (var p in _drawableCache)
{
p.Value?.Dispose();
}
_drawableCache.Clear();
_drawableCache = null;
}
if (_windDirectionBitmapCache != null)
{
foreach (var p in _windDirectionBitmapCache)
{
p.Value?.Recycle();
}
_windDirectionBitmapCache.Clear();
_windDirectionBitmapCache = null;
}
_appCompatDrawableUtil = null;
_drawableUtil = null;
_windTools = null;
}
public Bitmap WindDirectionDrawable(double degrees)
{
var cachekey = (int)GetWindTools().Rotate(degrees, 180);
if (!_windDirectionBitmapCache.ContainsKey(cachekey))
{
if (_drawableUtil == null)
{
_drawableUtil = new DrawableUtil();
}
var source = BitmapFactory.DecodeResource(_appContext.Resources, Resource.Drawable.wind_direction);
var bitmap = _drawableUtil.RotateBitmap(source, cachekey);
_windDirectionBitmapCache[cachekey] = bitmap;
}
return(_windDirectionBitmapCache[cachekey]);
}
