content://com.android.contacts/contacts
对应数据库表中contacts表 用于获得联系人Id 关键字"_id"
content://com.android.contacts/contacts/"+ contactid+ "/data
对应data表 通过contactId来查找联系人的各项属性 (data1属性值 data2属性的类型(如家庭电话 手机)) 关键字 "mimetype","data1","data2"
"content://com.android.contacts/data/phones/filter/"+ number
通过手机号来查找联系人姓名 关键字"display_name"
content://com.android.contacts/raw_contacts
添加联系人
示例:
//添加姓名
values.put("raw_contact_id", contactid);
values.put("mimetype", "vnd.android.cursor.item/name");
values.put("data2", "张小小");
resolver.insert(uri, values);
//添加电话
values.clear();
values.put("raw_contact_id", contactid);
values.put("mimetype", "vnd.android.cursor.item/phone_v2");
values.put("data2", "2");
values.put("data1", "13671323507");
resolver.insert(uri, values);
//添加Email
values.clear();
values.put("raw_contact_id", contactid);
values.put("mimetype", "vnd.android.cursor.item/email_v2");
values.put("data2", "2");
values.put("data1", "[email protected]");
resolver.insert(uri, values);
package cn.itcast.test; import java.util.ArrayList; import android.content.ContentProviderOperation; import android.content.ContentResolver; import android.content.ContentUris; import android.content.ContentValues; import android.database.Cursor; import android.net.Uri; import android.test.AndroidTestCase; import android.util.Log; public class ContactsTest extends AndroidTestCase { private static final String TAG = "ContactsTest"; //获取所有联系人 public void testContacts() throws Exception{ Uri uri = Uri.parse(<strong>"content://com.android.contacts/contacts</strong>"); ContentResolver resolver = getContext().getContentResolver(); Cursor cursor = resolver.query(uri, new String[]{"_id"}, null, null, null); while(cursor<strong>.moveToNext()</strong>){ int contactid = cursor.getInt(0); StringBuilder sb = new StringBuilder("contactid="); sb.append(contactid); uri = Uri.parse("<strong>content://com.android.contacts/contacts/"+ contactid+ "/data"</strong>); <span style="color:#ff0000;">//因为contacts中采用了关联查询 所以可以直接获得mimetype</span> Cursor datacursor = resolver.query(uri, new String[]{<strong>"mimetype","data1","data2"</strong>}, null, null, null); while(datacursor.<strong>moveToNext()</strong>){ String data = datacursor.getString(datacursor.<strong>getColumnIndex</strong>("data1")); String type = datacursor.getString(datacursor.getColumnIndex("mimetype")); //mimetype表中对象的值 if("vnd.android.cursor.item/name".equals(type)){//姓名 sb.append(",name="+ data); }else if("vnd.android.cursor.item/email_v2".equals(type)){//email sb.append(",email="+ data); }else if("vnd.android.cursor.item/phone_v2".equals(type)){//phone sb.append(",phone="+ data); } } Log.i(TAG, sb.toString()); } } <span style="color:#ff0000;">//根据号码获取联系人的姓名</span> public void testContactNameByNumber() throws Exception{ String number = "18601025011"; Uri uri = Uri.parse(<strong>"content://com.android.contacts/data/phones/filter/"+ number</strong>); ContentResolver resolver = getContext().getContentResolver(); Cursor cursor = resolver.query(uri, new String[]{<strong>"display_name"</strong>}, null, null, null); if(cursor.moveToFirst()){ String name = cursor.getString(0); Log.i(TAG, name); } cursor.close(); } <span style="color:#ff0000;">//添加联系人</span> public void testAddContact() throws Exception{ Uri uri = Uri.parse("content://com.android.contacts/raw_contacts"); ContentResolver resolver = getContext().getContentResolver(); ContentValues values = new ContentValues(); //<strong><span style="color:#ff0000;">通过执行insert()空操作来返回一个contactId</span></strong> long contactid = ContentUris.parseId(resolver.insert(uri, values)); uri = Uri.parse("content://com.android.contacts/data"); //添加姓名 values.put("raw_contact_id", contactid); values.put("mimetype", "vnd.android.cursor.item/name"); values.put("data2", "张小小"); resolver.<strong>insert(uri, values);</strong> //添加电话 values.clear(); values.put("raw_contact_id", contactid); values.put("mimetype", "vnd.android.cursor.item/phone_v2"); values.put("data2", "2"); values.put("data1", "13671323507"); resolver.insert(uri, values); //添加Email values.clear(); values.put("raw_contact_id", contactid); values.put("mimetype", "vnd.android.cursor.item/email_v2"); values.put("data2", "2"); values.put("data1", "[email protected]"); resolver.insert(uri, values); } <span style="color:#ff0000;"><strong>//在同一个事务中完成联系人各项数据的添加</strong></span> public void testAddContact2() throws Exception{ Uri uri = Uri.parse("content://com.android.contacts/raw_contacts"); ContentResolver resolver = getContext().getContentResolver(); ArrayList<ContentProviderOperation> operations = new ArrayList<ContentProviderOperation>();
<span style="white-space:pre"> </span><strong><span style="color:#ff6666;">//第0次操作 往</span><span style="color: rgb(255, 102, 102); font-family: Arial, Helvetica, sans-serif;">raw_contacts表中插入一条数据</span></strong><span style="color: rgb(255, 102, 102); font-family: Arial, Helvetica, sans-serif;"><strong> </strong> </span>
<span style="font-family: Arial, Helvetica, sans-serif;"><span style="font-size:14px; white-space: pre;"> </span> <span style="font-size:12px;">ContentProviderOperation op1 = ContentProviderOperation.newInsert(uri)</span></span><span style="color:#ff6666;font-size:14px;"> </span><span style="font-size:14px;"> .withValue("account_name", null) .build(); operations.add(op1); uri = Uri.parse("content://com.android.contacts/data"); ContentProviderOperation op2 = ContentProviderOperation.newInsert(uri)</span>
<span style="font-size:14px; white-space: pre;"> </span><strong><span style="color:#ff0000;">!!!!<span style="font-size:14px;">//根据第0次操作的返回id 作为</span><span style="font-family: Arial, Helvetica, sans-serif; font-size: 14px;">raw_contact_id字段的值</span><span style="font-family: Arial, Helvetica, sans-serif;"><span style="font-size:14px;"> </span></span></span></strong>
<span style="font-family: Arial, Helvetica, sans-serif;"><span style="font-size:12px;"><span style="white-space:pre"> </span><strong><span style="color:#ff0000;">.withValueBackReference("raw_contact_id", 0)</span></strong></span></span><span style="font-size:14px;"> </span><span style="font-size:14px;"> .withValue("mimetype", "vnd.android.cursor.item/name") .withValue("data2", "李小龙") .build(); operations.add(op2); ContentProviderOperation op3 = ContentProviderOperation.newInsert(uri) .withValueBackReference("raw_contact_id", 0) .withValue("mimetype", "vnd.android.cursor.item/phone_v2") .withValue("data1", "13560650505") .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", "[email protected]") .withValue("data2", "2") .build(); operations.add(op4); resolver.applyBatch("com.android.contacts", operations); } }</span><strong style="font-size:14px;"> </strong>
withValueBackReference(String key,
int previousResult)方法
第一个参数key对应于数据库中的列名,第二个参数previousResult代表着:回引数据库批量操作中的第previousResult个数据库操作的返回值。
总的来说就是说把批量数据库操作中的第previousResult个数据库操作的返回值作为列名为key的记录的值