stackflow看到的获取手机联系人 contact 的代码

package com.john.mobilesafe.activity.naviactivity;

import android.content.ContentResolver;
import android.database.Cursor;
import android.os.Bundle;
import android.provider.ContactsContract;
import android.support.v7.app.AppCompatActivity;

import com.john.mobilesafe.R;

/**
 * Created by John on 2016/9/8.
 */
public class Temp extends AppCompatActivity{

    /** Called when the activity is first created. */
    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_getcontactsdemo);
        readContacts();
    }

    public void readContacts(){
        ContentResolver cr = getContentResolver();
        // 这里使用的是系统定义的那个获取联系人的那个URI
        Cursor cur = cr.query(ContactsContract.Contacts.CONTENT_URI,
                null, null, null, null);

        if (cur.getCount() > 0) {   // 首先判断指针是否大于0
            while (cur.moveToNext()) {
                String id = cur.getString(cur.getColumnIndex(ContactsContract.Contacts._ID));
                String name = cur.getString(cur.getColumnIndex(ContactsContract.Contacts.DISPLAY_NAME));
                if (Integer.parseInt(cur.getString(cur.getColumnIndex(ContactsContract.Contacts.HAS_PHONE_NUMBER))) > 0) {
                    System.out.println("name : " + name + ", ID : " + id);

                    // get the phone number
                    Cursor pCur = cr.query(ContactsContract.CommonDataKinds.Phone.CONTENT_URI,null,
                            ContactsContract.CommonDataKinds.Phone.CONTACT_ID +" = ?",
                            new String[]{id}, null);
                    while (pCur.moveToNext()) {
                        String phone = pCur.getString(
                                pCur.getColumnIndex(ContactsContract.CommonDataKinds.Phone.NUMBER));
                        System.out.println("phone" + phone);
                    }
                    pCur.close();


                    // get email and type

                    Cursor emailCur = cr.query(
                            ContactsContract.CommonDataKinds.Email.CONTENT_URI,
                            null,
                            ContactsContract.CommonDataKinds.Email.CONTACT_ID + " = ?",
                            new String[]{id}, null);
                    while (emailCur.moveToNext()) {
                        // This would allow you get several email addresses
                        // if the email addresses were stored in an array
                        String email = emailCur.getString(
                                emailCur.getColumnIndex(ContactsContract.CommonDataKinds.Email.DATA));
                        String emailType = emailCur.getString(
                                emailCur.getColumnIndex(ContactsContract.CommonDataKinds.Email.TYPE));

                        System.out.println("Email " + email + " Email Type : " + emailType);
                    }
                    emailCur.close();

                    // Get note.......
                    String noteWhere = ContactsContract.Data.CONTACT_ID + " = ? AND " + ContactsContract.Data.MIMETYPE + " = ?";
                    String[] noteWhereParams = new String[]{id,
                            ContactsContract.CommonDataKinds.Note.CONTENT_ITEM_TYPE};
                    Cursor noteCur = cr.query(ContactsContract.Data.CONTENT_URI, null, noteWhere, noteWhereParams, null);
                    if (noteCur.moveToFirst()) {
                        String note = noteCur.getString(noteCur.getColumnIndex(ContactsContract.CommonDataKinds.Note.NOTE));
                        System.out.println("Note " + note);
                    }
                    noteCur.close();

                    //Get Postal Address....

                    String addrWhere = ContactsContract.Data.CONTACT_ID + " = ? AND " + ContactsContract.Data.MIMETYPE + " = ?";
                    String[] addrWhereParams = new String[]{id,
                            ContactsContract.CommonDataKinds.StructuredPostal.CONTENT_ITEM_TYPE};
                    Cursor addrCur = cr.query(ContactsContract.Data.CONTENT_URI,
                            null, null, null, null);
                    while(addrCur.moveToNext()) {
                        String poBox = addrCur.getString(
                                addrCur.getColumnIndex(ContactsContract.CommonDataKinds.StructuredPostal.POBOX));
                        String street = addrCur.getString(
                                addrCur.getColumnIndex(ContactsContract.CommonDataKinds.StructuredPostal.STREET));
                        String city = addrCur.getString(
                                addrCur.getColumnIndex(ContactsContract.CommonDataKinds.StructuredPostal.CITY));
                        String state = addrCur.getString(
                                addrCur.getColumnIndex(ContactsContract.CommonDataKinds.StructuredPostal.REGION));
                        String postalCode = addrCur.getString(
                                addrCur.getColumnIndex(ContactsContract.CommonDataKinds.StructuredPostal.POSTCODE));
                        String country = addrCur.getString(
                                addrCur.getColumnIndex(ContactsContract.CommonDataKinds.StructuredPostal.COUNTRY));
                        String type = addrCur.getString(
                                addrCur.getColumnIndex(ContactsContract.CommonDataKinds.StructuredPostal.TYPE));

                        // Do something with these....

                    }
                    addrCur.close();

                    // Get Instant Messenger.........
                    String imWhere = ContactsContract.Data.CONTACT_ID + " = ? AND " + ContactsContract.Data.MIMETYPE + " = ?";
                    String[] imWhereParams = new String[]{id,
                            ContactsContract.CommonDataKinds.Im.CONTENT_ITEM_TYPE};
                    Cursor imCur = cr.query(ContactsContract.Data.CONTENT_URI,
                            null, imWhere, imWhereParams, null);
                    if (imCur.moveToFirst()) {
                        String imName = imCur.getString(
                                imCur.getColumnIndex(ContactsContract.CommonDataKinds.Im.DATA));
                        String imType;
                        imType = imCur.getString(
                                imCur.getColumnIndex(ContactsContract.CommonDataKinds.Im.TYPE));
                    }
                    imCur.close();

                    // Get Organizations.........

                    String orgWhere = ContactsContract.Data.CONTACT_ID + " = ? AND " + ContactsContract.Data.MIMETYPE + " = ?";
                    String[] orgWhereParams = new String[]{id,
                            ContactsContract.CommonDataKinds.Organization.CONTENT_ITEM_TYPE};
                    Cursor orgCur = cr.query(ContactsContract.Data.CONTENT_URI,
                            null, orgWhere, orgWhereParams, null);
                    if (orgCur.moveToFirst()) {
                        String orgName = orgCur.getString(orgCur.getColumnIndex(ContactsContract.CommonDataKinds.Organization.DATA));
                        String title = orgCur.getString(orgCur.getColumnIndex(ContactsContract.CommonDataKinds.Organization.TITLE));
                    }
                    orgCur.close();
                }
            }
        }
    }


}