There is something very strange going on that nabble.com has full content but
the email does not; compare:
http://lists.ximian.com/pipermail/monodroid/2012-May/010297.html
http://mono-for-android.1047100.n5.nabble.com/Mono-for-Android-4-2-1-SimpleExpandableListAdapter-problems-td5709314.html#a5709775
The first is what I see, the second contains actually useful stack traces...
On May 15, 2012, at 3:57 PM, Jones wrote:
> replacing Dictionary with JavaDictonary solved the class cast exception. But
> then I got this message:
> 05-15 21:45:04.444 E/AndroidRuntime( 6384): FATAL EXCEPTION: main
> 05-15 21:45:04.444 E/AndroidRuntime( 6384): java.lang.ClassCastException:
> mono.android.runtime.JavaObject cannot be cast to java.lang.String
So the problem is that I need to make things slightly more magical. ;-)
In the meantime, SimpleAdapter is wanting your values to be strings. Not
System.Strings, but Java.Lang.Strings, so you need:
foreach (Genre genre in genres) {
using (var group = new JavaDictionary<string, object>()) {
group[name] = new Java.Lang.String (genre.Name);
group[id] = new Java.Lang.Integer(genre.Id); // may
or may not be necessary...
groupData.Add (group);
}
}
Or, looking at the original message:
var settings_data = new JavaList<IDictionary<string, object>>();
sa = Resources.ObtainTypedArray(Resource.Array.settings_text);
sa_icons = Resources.ObtainTypedArray(Resource.Array.settings_icons);
for (int i = 0; i < sa.Length(); i++)
{
using (var item = new JavaDictionary<string, object>()) {
item["text"] = new Java.Lang.String (sa.GetString(i));
item["icon"] = new Java.Lang.Integer
(sa_icons.GetResourceId(i, 0));
settings_data.Add(item);
}
}
this.ListAdapter = new SimpleAdapter(this, settings_data,
Resource.Layout.list_item_icon_text, new String[] {
"text", "icon" },
new int[] { Resource.Id.text, Resource.Id.icon });
- Jon
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