protected override void OnCreate(Bundle bundle)
{
base.OnCreate (bundle);
SetContentView (Resource.Layout.main_layout);
is_dual_pane = Resources.GetBoolean(Resource.Boolean.has_two_panes);
var fm = SupportFragmentManager;
var transaction = fm.BeginTransaction();
nav = new NavFragment();
if (is_dual_pane) {
grid_fragment = new GridFragment();
current_nav_position = 0;
transaction.Replace(Resource.Id.nav_fragment_container, nav);
transaction.Replace(Resource.Id.content_fragment_container, grid_fragment);
} else {
transaction.Replace(Resource.Id.fragment_container, nav);
}
transaction.Commit();
nav.NavigationItemActivated += nav_NavigationItemSelected;
// start our master service
// We could alternatively start this from our Application class
var intent = new Intent(this, typeof(MasterService));
StartService(intent);
}
public GridAdapter(GridFragment fragment, Context context, int textViewResId, List <string> objects) : base(context, textViewResId, objects)
{
this.fragment = fragment;
}
private void nav_NavigationItemSelected(object sender, NavigationEventArgs args)
{
var didChange = false;
var addToBackStack = false;
if (current_nav_position != args.NavItemPosition) {
current_nav_position = args.NavItemPosition;
didChange = true;
}
var containerResId = 0;
var transitionType = FragmentTransit.None;
if (didChange || !is_dual_pane) {
if (is_dual_pane) {
transitionType = FragmentTransit.FragmentFade;
containerResId = Resource.Id.content_fragment_container;
} else {
transitionType = FragmentTransit.FragmentOpen;
addToBackStack = true;
containerResId = Resource.Id.fragment_container;
}
var transaction = SupportFragmentManager.BeginTransaction();
transaction.SetTransition((int)transitionType);
if (current_nav_position == 0) {
grid_fragment = grid_fragment ?? new GridFragment();
transaction.Replace(containerResId, grid_fragment);
} else if (current_nav_position == 1) {
image_fragment = new ImageFragment(Resource.Drawable.android_flavors);
transaction.Replace(containerResId, image_fragment);
} else if (current_nav_position == 2) {
image_fragment = new ImageFragment(Resource.Drawable.xamarin);
transaction.Replace(containerResId, image_fragment);
}
if (addToBackStack) {
transaction.AddToBackStack(null);
}
transaction.Commit();
}
}
public GridAdapter(GridFragment fragment, Context context, int textViewResId, List<string> objects)
: base(context, textViewResId, objects)
{
this.fragment = fragment;
}
