如何复制在消息传递应用程序中选择联系人的功能？

Android's messaging app, located in projects/platform/packages/apps/Mms.git has a class called RecipientsEditor. I would like to be able to create MultiAutoCompleteTextView that will filter contacts the same way, to make contact selection easy in my app. using the mms app is cumbersome since it uses internal apis and has everything split across classes.Android's messaging app, located in projects/pl