获取系统联系人信息

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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;        }    }}

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