protected virtual void InitializePreferences(PreferenceScreen preferenceScreen, int preferencesResId)
{
preferenceScreen.SetBindingMemberValue(AttachedMembers.Object.Parent, Target);
SetPreferenceParent(preferenceScreen);
using (XmlReader reader = preferenceScreen.Context.Resources.GetXml(preferencesResId))
{
var document = new XmlDocument();
document.Load(reader);
var xDocument = XDocument.Parse(document.InnerXml);
foreach (var descendant in xDocument.Descendants())
{
var bindAttr = descendant
.Attributes()
.FirstOrDefault(xAttribute => xAttribute.Name.LocalName.Equals("bind", StringComparison.OrdinalIgnoreCase));
if (bindAttr == null)
{
continue;
}
var attribute = descendant.Attribute(XName.Get("key", "http://schemas.android.com/apk/res/android"));
if (attribute == null)
{
Tracer.Error("Preference {0} must have a key to use it with bindings", descendant);
continue;
}
var preference = preferenceScreen.FindPreference(attribute.Value);
BindingServiceProvider.BindingProvider.CreateBindingsFromString(preference, bindAttr.Value);
}
}
SetPreferenceListener();
}
public static void InitializePreferences(PreferenceScreen preferenceScreen, int preferencesResId, object parent)
{
preferenceScreen.SetBindingMemberValue(AttachedMembers.Object.Parent, parent);
SetPreferenceParent(preferenceScreen);
List <KeyValuePair <string, string> > bindings;
if (!PreferenceBindMapping.TryGetValue(preferencesResId, out bindings))
{
bindings = new List <KeyValuePair <string, string> >();
using (var reader = preferenceScreen.Context.Resources.GetXml(preferencesResId))
{
while (reader.Read())
{
switch (reader.NodeType)
{
case XmlNodeType.Element:
string bind = null;
for (int attInd = 0; attInd < reader.AttributeCount; attInd++)
{
reader.MoveToAttribute(attInd);
if (reader.Name == "bind")
{
bind = reader.Value;
break;
}
}
reader.MoveToElement();
var key = reader.GetAttribute("key", "http://schemas.android.com/apk/res/android");
if (string.IsNullOrEmpty(bind))
{
break;
}
if (string.IsNullOrEmpty(key))
{
Tracer.Error("Preference {0} must have a key to use it with bindings", reader.Name);
break;
}
bindings.Add(new KeyValuePair <string, string>(key, bind));
break;
}
}
}
PreferenceBindMapping[preferencesResId] = bindings;
}
foreach (var map in bindings)
{
var preference = preferenceScreen.FindPreference(map.Key);
BindingServiceProvider.BindingProvider.CreateBindingsFromString(preference, map.Value);
}
}