android查询数据库获得手机里面所有的联系人

获得手机里面所有的联系人

public List<ContactInfo> getContacts(){
List<ContactInfo> contactInfos = new ArrayList<ContactInfo>();
ContentResolver cr = context.getContentResolver();
//查询raw_contacts表得到联系人的_id
Uri uri = Uri.parse("content://com.android.contacts/raw_contacts");
Cursor c = cr.query(uri, new String[]{"_id","display_name"}, null, null, null);
String[] names = c.getColumnNames();
for(String name:names){
Log.i("i", name);
}
while(c.moveToNext()){
ContactInfo info = new ContactInfo();
String _id = c.getString(c.getColumnIndex("_id"));
String name = c.getString(c.getColumnIndex("display_name"));
info.setName(name);

//查询data表
uri = Uri.parse("content://com.android.contacts/raw_contacts/" + _id + "/data");
Cursor c1 = cr.query(uri, new String[]{"data1","mimetype"}, null, null, null);
while(c1.moveToNext()){
String data1 = c1.getString(c1.getColumnIndex("data1"));
String mimetype = c1.getString(c1.getColumnIndex("mimetype"));
if("vnd.android.cursor.item/phone_v2".equals(mimetype)){
info.setNumber(data1);
contactInfos.add(info);
}
}
c1.close();
}
c.close();
return contactInfos;
}