Android获取Contact Number的例子（2.0系统以前的获取方式）

String[]projection=newString[]{
People._ID,
People.NAME,
People.NUMBER,
};
//GetthebaseURIforPeopletableinContactscontentprovider.
//whichis:content://contacts/people/
UricontactUri=People.CONTENT_URI;
//Bestwaytoretrieveaquery;returnsamanagedquery.
CursorpeopleCursor=managedQuery(contactUri,
projection,//Whichcolumnstoreturn.
null,//WHEREclause--wewon'tspecify.
null,//SelectionArgs??
People.DEFAULT_SORT_ORDER);//Order-byname
//gotothebeginningofthelist
peopleCursor.moveToFirst();
//So,herewehaveacontact.WeneedtogetthecontactID(_id)then
//buildtheUritogetthephonessectionofthatuser'srecord
//whichisasubdirectoryofacontactrecord
longpersonId=peopleCursor.getLong(peopleCursor.getColumnIndex("_id"));
UripersonUri=ContentUris.withAppendedId(contactUri,personId);
//SonowtheURLlookslike:content://contacts/people/_id(wheretheactualidoftherecordishere)
UriphoneUri=
Uri.withAppendedPath(personUri,Contacts.People.Phones.CONTENT_DIRECTORY);
//NowtheURLlookslike:content://contacts/people/_id/phones(wherephonesisliterally"phones")
//Nowgetallthephonenumbersforthiscontact
CursorphonesCursor=managedQuery(phoneUri,
null,
null,
null,
Phones.DEFAULT_SORT_ORDER);
//WenowhaveacursorforallthephonenumbersforthatUserID
//gotothebeginningofthephonelist.
phonesCursor.moveToFirst();

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