Tienes que crear tu propio tipo de mimo para aquellos.
Aquí hay un ejemplo que guarda un booleano como mi tipo mime personalizado a los contactos. Utiliza la última SDK 2,1
public static final String MIMETYPE_FORMALITY = "vnd.android.cursor.item/useformality";
public clsMyClass saveFormality() {
try {
ContentValues values = new ContentValues();
values.put(Data.DATA1, this.getFormality() ? "1" : "0");
int mod = ctx.getContentResolver().update(
Data.CONTENT_URI,
values,
Data.CONTACT_ID + "=" + this.getId() + " AND "
+ Data.MIMETYPE + "= '"
+ clsContacts.FORMALITY_MIMETYPE + "'", null);
if (mod == 0) {
values.put(Data.CONTACT_ID, this.getId());
values.put(Data.MIMETYPE, clsContacts.FORMALITY_MIMETYPE);
ctx.getContentResolver().insert(Data.CONTENT_URI, values);
}
} catch (Exception e) {
Log.v(TAG(), "saveFormality failed");
}
return this;
}
public boolean getFormality() {
if (data.containsKey(FORMALITY)) {
return data.getAsBoolean(FORMALITY);
} else {
// read formality
Cursor c = readDataWithMimeType(clsContacts.MIMETYPE_FORMALITY, this.getId());
if (c != null) {
try {
if (c.moveToFirst()) {
this.setFormality(c.getInt(0) == 1);
return (c.getInt(0) == 1);
}
} finally {
c.close();
}
}
return false;
}
}
public clsMyClass setFormality(Boolean value) {
data.remove(FORMALITY);
data.put(FORMALITY, value);
return this;
}
/**
* Utility method to read data with mime type
*
* @param mimetype String representation of the mimetype used for this type
* of data
* @param contactid String representation of the contact id
* @return
*/
private Cursor readDataWithMimeType(String mimetype, String contactid) {
return ctx.getContentResolver().query(
Data.CONTENT_URI,
new String[] {
Data.DATA1
},
Data.RAW_CONTACT_ID + "=" + contactid + " AND " + Data.MIMETYPE + "= '" + mimetype
+ "'", null, null);
}
uso es
objContact.setFormality(true).saveFormality();
posible duplicado de [Cómo agregar un nuevo campo (s) al contacto?] (Http://stackoverflow.com/questions/2733589/how-to-add-new-fields-to-the- contact) – Pentium10
posible duplicado de [¿Cómo asignar mediante programación una imagen (mapa de bits) a un contacto?] (http://stackoverflow.com/questions/3076197/how-to-programmatically-assign-a-picture-bitmap-to-a-contact) – Pentium10