获取系统联系人信息

1、权限

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

2、java代码

package com.bruce.testgetcontact;

import android.app.Activity;
import android.database.Cursor;
import android.os.Bundle;
import android.provider.ContactsContract;
import android.util.Log;
import android.view.View;
import android.widget.Toast;

import java.util.ArrayList;

public class MainActivity extends Activity {
    private String TAG = "tag";
    private ArrayList<Contract> mContractList = new ArrayList<Contract>();

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        findViewById(R.id.btn).setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                testReadAllContacts();
            }
        });
    }

    /*
     * 读取联系人的信息
     */
    public void testReadAllContacts() {
        Cursor cursor = getContentResolver().query(ContactsContract.Contacts.CONTENT_URI,
                null, null, null, null);
        int contactIdIndex = 0;
        int nameIndex = 0;

        if (cursor.getCount() > 0) {
            contactIdIndex = cursor.getColumnIndex(ContactsContract.Contacts._ID);
            nameIndex = cursor.getColumnIndex(ContactsContract.Contacts.DISPLAY_NAME);
        } else {
            Toast.makeText(this, "联系人为空!", Toast.LENGTH_SHORT).show();
        }

        Contract contract;
        while (cursor.moveToNext()) {
            String contactId = cursor.getString(contactIdIndex);
            String name = cursor.getString(nameIndex);
            Log.i(TAG, contactId);
            Log.i(TAG, name);
            /*
             * 查找该联系人的phone信息
             */
            Cursor phones = getContentResolver().query(ContactsContract.CommonDataKinds.Phone.CONTENT_URI,
                    null,
                    ContactsContract.CommonDataKinds.Phone.CONTACT_ID + "=" + contactId,
                    null, null);
            int phoneIndex = 0;
//            int phoneName = 0;
            if (phones.getCount() > 0) {
                phoneIndex = phones.getColumnIndex(ContactsContract.CommonDataKinds.Phone.NUMBER);
//                phoneName = cursor.getColumnIndex(ContactsContract.Contacts.DISPLAY_NAME);
            }
            while (phones.moveToNext()) {
                String phoneNumber = phones.getString(phoneIndex);
//                String phoneNames = phones.getString(phoneName);
                //电话号码
                Log.i(TAG, phoneNumber);
                contract = new Contract();
                contract.setName(name);
                contract.setPhone(phoneNumber);
                mContractList.add(contract);
            }

            /*
             * 查找该联系人的email信息
             */
            Cursor emails = getContentResolver().query(ContactsContract.CommonDataKinds.Email.CONTENT_URI,
                    null,
                    ContactsContract.CommonDataKinds.Email.CONTACT_ID + "=" + contactId,
                    null, null);
            int emailIndex = 0;
            if (emails.getCount() > 0) {
                emailIndex = emails.getColumnIndex(ContactsContract.CommonDataKinds.Email.DATA);
            }
            while (emails.moveToNext()) {
                String email = emails.getString(emailIndex);
                Log.i(TAG, email);
            }

        }
    }

    public class Contract {
        private String name;
        private String phone;

        public Contract() {
        }

        public Contract(String name, String phone) {
            this.name = name;
            this.phone = phone;
        }

        public String getName() {
            return name;
        }

        public void setName(String name) {
            this.name = name;
        }

        public String getPhone() {
            return phone;
        }

        public void setPhone(String phone) {
            this.phone = phone;
        }
    }
}