Android get phone contact information

This article will reveal how Android can obtain mobile phone contact information.

Steps to obtain mobile phone contact information:

1. Get contentresolver

ContentResolver resolver = getContentResolver();

2、resolver. Query (*) query information

Query the URI of mobile phone contact: contactscontract RawContacts. CONTENT_ Uri to query the URI of the mobile phone number of the mobile phone contact: contactscontract CommonDataKinds. Phone. CONTENT_ Uri query URI of contact mailbox: contactscontract CommonDataKinds. Email. CONTENT_ URI

3. Based on contact name_ ID query the corresponding mobile phone number and email address

Find raw in mobile phone number and email query_ contact_ ID and contact_ Entries with equal IDS

The main codes are as follows:

MainActivity. java

Main layout activity_ main. xml

simple_ contacts_ item. xml

Read contact permissions:

<uses-permission android:name="android.permission.READ_CONTACTS"/>

Final rendering:

be careful:

Check whether the application is given the permission to read contacts; This example reads the contact information in the main thread, which is inefficient. If there are efficiency requirements, please find other methods by yourself.

Source code download address: http://xiazai.jb51.net/201610/yuanma/AndroidContactsDemo (jb51.net). rar

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