一、訪問通訊錄中的聯絡人（根據號碼查詢聯絡人）

    主要用到資料庫（data\data\com.android.providers.contacts）中三張表，raw_contact、data、mimetypes.從第一張表獲取_id，根據_id從data表中查詢聯絡人資料，比如電話號碼，住址，郵箱等，mimetype中主要是資料型別。

<pre name="code" class="java">raw_contact："content://com.android.contacts/contacts"
data中id為contactid的uri："content://com.android.contacts/contacts/"+contactid+"/data"
 

<span style="font-size:14px;">public class ContactsTest extends AndroidTestCase {
	private static final String tag = "ContactsTest";
	public void testContacts() 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 contactid = cursor.getInt(0);
			StringBuilder sb = new StringBuilder("contactid=");
			sb.append(contactid);
			Uri datauri = Uri.parse("content://com.android.contacts/contacts/"+contactid+"/data");
			Cursor datacursor = resolver.query(uri, new String[]{"data1", "mimetype"}, null, null, null);
			while(datacursor.moveToNext()){
				String data = cursor.getString(cursor.getColumnIndex("data1"));
				String mimetype = cursor.getString(cursor.getColumnIndex("mimetype"));//與mimetypes中資料型別相匹配，找到目標資料
				if("vnd.android.cursor.item/name".equals(mimetype)){
					sb.append(",name="+data);
				}else if("vnd.android.cursor.item/email_v2".equals(mimetype)){
					sb.append(",email="+data);
				}else if("vnd.android.cursor.item/phone_v2".equals(mimetype)){
					sb.append(",phone="+data);
				}
			}
			Log.i(tag, sb.toString());
		}
 

根據號碼查詢聯絡人姓名
public void testContactNameByNumber() throws Exception{
		String number = "123";
		Uri uri = Uri.parse("content://com.android.contacts/contacts/data/phones/filter/"+number);
		ContentResolver resolver = getContext().getContentResolver();
		Cursor cursor = resolver.query(uri, new String[]{"display_name"}, null, null, null);
		if(cursor.moveToNext()){
			String name = cursor.getString(0);
			
		}
	}
 

向通訊錄中新增聯絡人_id，然後根據返回的_id向data表中新增資料，以下是常規做法，無法保證操作同時完成

public void addContactTest(){
		Uri uri = Uri.parse("com.android.contacts/contacts/raw_contacts");
		ContentResolver resolver = getContext().getContentResolver();
		ContentValues values = new ContentValues();
		long contactid = ContentUris.parseId(resolver.insert(uri, values)); //（1）獲取id
		//新增姓名
		uri = Uri.parse("content://com.android.contacts/contacts/data");
		values.put("mimetype", "vnd.android.cursor.item/name");
		values.put("data2","zjngxiaoxiao");
		values.put("raw_contact_id",contactid);
		resolver.insert(uri, values);
		//新增電話
		uri = Uri.parse("content://com.android.contacts/contacts/data");
		values.put("mimetype", "vnd.android.cursor.item/phone_v2");
		values.put("raw_contact_id",contactid);
		values.put("data2","2");
		values.put("data1","120");
		resolver.insert(uri, values);
		//新增email
		uri = Uri.parse("content://com.android.contacts/contacts/data");
		values.put("mimetype", "vnd.android.cursor.item/email_v2");
		values.put("raw_contact_id",contactid);
		values.put("data2","2");
		values.put("data1","120");
		resolver.insert(uri, values);<span style="font-family: Arial, Helvetica, sans-serif;">	</span>

開啟事務保證同步，批量新增聯絡人

     因為新增raw_contacts操作沒有先進行，所以無法得到該新增所得的_id返回值，可以採用先往raw_contact表中插入account，然後data表中插入資料使用 ContentProviderOperation.newInsert(uri).withValueBackReference("raw_contactid", 0)方法獲得上一個操作物件返回的_id值。（即引數0的作用）

// 問題 每一個新增是獨立的，無法保證同時成功同時失敗，必須保證在同一個事務中
	//運動批量參加 
	public void addContactTest2() 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_contactid", 0)//  （0）索引位置 使用第一個物件新增記錄完成後返回來的id值   一個難點，（1）操作完成才能獲得id
				.withValue("mimetype", "vnd.android.cursor.item/phone_v2") //後者不能使用數字，否則不識別
				.withValue("data2", "zjngxiaoxiao")
				.build();
		operations.add(op1);
		
		ContentProviderOperation op3 = ContentProviderOperation.newInsert(uri)
				.withValueBackReference("raw_contactid", 0)
				.withValue("mimetype", "vnd.android.cursor.item/name")
				.withValue("data2", "2")
				.withValue("data1", "123456")
				.build();
		operations.add(op1);
		
		ContentProviderOperation op4 = ContentProviderOperation.newInsert(uri)
				.withValueBackReference("raw_contactid", 0)
				.withValue("mimetype", "vnd.android.cursor.item/email_v2")
				.withValue("data2", "zjngxiaoxiao")
				.withValue("data1", "1233")
				.build();
		operations.add(op1);
		
		resolver.applyBatch("com.android.contacts", operations);//批量新增方法		
	}	
}

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