Android 联系人的读取，查询，添加

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先加二个读和写权限：

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

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

package com.eboy.test;

import java.util.ArrayList;

import android.content.ContentProviderOperation;
import android.content.ContentResolver;
import android.database.Cursor;
import android.net.Uri;
import android.test.AndroidTestCase;
import android.util.Log;

public class ContectTest extends AndroidTestCase {

    private static final String TAG = "TestContact";

    //查询所有联系人的姓名，电话，邮箱
    public void TestContact() throws Exception {
        Uri uri = Uri.parse("content://com.android.contacts/contacts");
        ContentResolver resolver = getContext().getContentResolver();
        Cursor cursor = resolver.query(uri, new String[]{"_id"}, null, null, null);
        while (cursor.moveToNext()) {
            int contractID = cursor.getInt(0);
            StringBuilder sb = new StringBuilder("contractID=");
            sb.append(contractID);
            uri = Uri.parse("content://com.android.contacts/contacts/" + contractID + "/data");
            Cursor cursor1 = resolver.query(uri, new String[]{"mimetype", "data1", "data2"}, null, null, null);
            while (cursor1.moveToNext()) {
                String data1 = cursor1.getString(cursor1.getColumnIndex("data1"));
                String mimeType = cursor1.getString(cursor1.getColumnIndex("mimetype"));
                if ("vnd.android.cursor.item/name".equals(mimeType)) { //是姓名
                    sb.append(",name=" + data1);
                } else if ("vnd.android.cursor.item/email_v2".equals(mimeType)) { //邮箱
                    sb.append(",email=" + data1);
                } else if ("vnd.android.cursor.item/phone_v2".equals(mimeType)) { //手机
                    sb.append(",phone=" + data1);
                }
            }
            cursor1.close();
            Log.i(TAG, sb.toString());
        }
        cursor.close();
    }

    //查询指定电话的联系人姓名，邮箱
    public void testContactNameByNumber() throws Exception {
        String number = "18052369652";
        Uri uri = Uri.parse("content://com.android.contacts/data/phones/filter/" + number);
        ContentResolver resolver = getContext().getContentResolver();
        Cursor cursor = resolver.query(uri, new String[]{"display_name"}, null, null, null);
        if (cursor.moveToFirst()) {
            String name = cursor.getString(0);
            Log.i(TAG, name);
        }
        cursor.close();
    }

    //添加联系人，使用事务
    public void testAddContact() throws Exception {
        Uri uri = Uri.parse("content://com.android.contacts/raw_contacts");
        ContentResolver resolver = getContext().getContentResolver();
        ArrayList<ContentProviderOperation> operations = new ArrayList<ContentProviderOperation>();
        ContentProviderOperation op1 = ContentProviderOperation.newInsert(uri)
            .withValue("account_name", null)
            .build();
        operations.add(op1);

        uri = Uri.parse("content://com.android.contacts/data");
        ContentProviderOperation op2 = ContentProviderOperation.newInsert(uri)
            .withValueBackReference("raw_contact_id", 0)
            .withValue("mimetype", "vnd.android.cursor.item/name")
            .withValue("data2", "jack")
            .build();
        operations.add(op2);

        ContentProviderOperation op3 = ContentProviderOperation.newInsert(uri)
            .withValueBackReference("raw_contact_id", 0)
            .withValue("mimetype", "vnd.android.cursor.item/phone_v2")
            .withValue("data1", "1353*******")
            .withValue("data2", "2")
            .build();
        operations.add(op3);

        ContentProviderOperation op4 = ContentProviderOperation.newInsert(uri)
        .withValueBackReference("raw_contact_id", 0)
        .withValue("mimetype", "vnd.android.cursor.item/email_v2")
        .withValue("data1", "asdfasfad@163.com")
        .withValue("data2", "2")
        .build();
    operations.add(op4);

        resolver.applyBatch("com.android.contacts", operations);
    }

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