装载 联系人2.0的相关处理

这篇文章总结的不错，只是是英文全文转载了http://www.higherpass.com/Android/Tutorials/Working-With-Android-Contacts/

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Perform a second query against the Android contacts SQLite database. The phone numbers are queried against the URI stored in ContactsContract.CommonDataKinds.Phone.CONTENT_URI. The contact ID is stored in the phone table as ContactsContract.CommonDataKinds.Phone.CONTACT_ID and the WHERE clause is used to limit the data returned.

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As with the phone query the field names for the email table are also stored under ContactsContract.CommonDataKinds. The email query is performed on the URI in ContactsContract.CommonDataKinds.Email.CONTENT_URI and the WHERE clause has to match the ContactsContract.CommonDataKinds.Email.CONTACT_ID field. Since multiple email addresses can be stored loop through the records returned in the Cursor.

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Notes are stored in the Android Contacts generic data table. When accessing specific data the WHERE clause will need 2 conditionals. First the standard contact ID, second a MIMETYPE for the data that is being requested. The Android SDK comes with a series of auto-generated variables that take care of this. Use the ContactsContract.CommonDataKinds.Note.CONTENT_ITEM_TYPE variable to limit the query to note records. The data table URI is stored at ContactsContract.Data.CONTENT_URI. Finally the note field name is stored in ContactsContract.CommonDataKinds.Note.NOTE.

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This code is similar to the previous example. Notice the field names for the address pieces are stored in ContactsContract.CommonDataKinds.StructuredPostal.

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