public MainPageViewModel(INavigationService n) : base(n)
{
Task.Factory.StartNew(() =>
{
ComposerList.AddRange(AssemblyFileReader.ReadLocalJson <List <Composer> >("music.json"));
});
}
public override async Task NavigatedToAsync(object parameter = null)
{
await base.NavigatedToAsync(parameter);
if (RadioList.Count == 0)
{
var radios = AssemblyFileReader.ReadLocalJson <List <RadioItem> >("radio.json");
Device.BeginInvokeOnMainThread(() =>
{
RadioList.AddRange(radios);
});
}
}