Android 联系人的读取，查询，添加

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", "龚小永")  .build();  operations.add(op2);    ContentProviderOperation op3 = ContentProviderOperation.newInsert(uri)  .withValueBackReference("raw_contact_id", 0)  .withValue("mimetype", "vnd.android.cursor.item/phone_v2")  .withValue("data1", "13539777967")  .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);  }