我们都知道android系统没有完全将contacts向developer开放，开发人员只能通过android提供的有限的Api对contacts进行操作，我们只能通过ContentProvider对contacts的数据进行增、删、改、查等操作，并不能改变到其表结构。
首先，我们来看下如何通过ContentProvider查找contacts，以下我以查找其姓、名、公司、家庭电话、工作电话、移动电话、传真、邮箱、城市、省份、国家、出生年月为例：
1 /** 2 * 取得family_name和given_name 3 */ 4 Cursor nameCur=cr.query(ContactsContract.Data.CONTENT_URI, 5 new String[] {Data.CONTACT_ID, StructuredName.DISPLAY_NAME, StructuredName.FAMILY_NAME, StructuredName.GIVEN_NAME, StructuredName.MIDDLE_NAME}, 6 ContactsContract.Data.CONTACT_ID + "=?" + " AND " 7 + ContactsContract.Data.MIMETYPE + "='" + ContactsContract.CommonDataKinds.StructuredName.CONTENT_ITEM_TYPE + "'", 8 new String[]{android_id}, null); 9 if(nameCur.moveToFirst()){ 10 firstName=nameCur.getString(nameCur.getColumnIndex(ContactsContract.CommonDataKinds.StructuredName.FAMILY_NAME)); 11 lastName=nameCur.getString(nameCur.getColumnIndex(ContactsContract.CommonDataKinds.StructuredName.GIVEN_NAME)); 12 } 13 nameCur.close(); 14 15 Cursor companyCur=cr.query(ContactsContract.Data.CONTENT_URI, 16 new String[] {CommonDataKinds.Organization.COMPANY}, 17 ContactsContract.Data.CONTACT_ID + "=?" + " AND " 18 + ContactsContract.Data.MIMETYPE + "='" + ContactsContract.CommonDataKinds.Organization.CONTENT_ITEM_TYPE + "'", 19 new String[]{android_id}, null); 20 21 if(companyCur.moveToFirst()){ 22 company=companyCur.getString(companyCur.getColumnIndex(CommonDataKinds.Organization.COMPANY)); 23 } 24 companyCur.close(); 25 26 // 根据contact_ID取得HomePhone号码 27 Cursor homePhoneCur = cr.query(ContactsContract.Data.CONTENT_URI, 28 new String[] {ContactsContract.CommonDataKinds.Phone.NUMBER}, 29 ContactsContract.Data.CONTACT_ID + "=?" + " AND " 30 + ContactsContract.Data.MIMETYPE + "=? "+" AND " 31 +ContactsContract.CommonDataKinds.Phone.TYPE + "=?", 32 new String[]{android_id,ContactsContract.CommonDataKinds.Phone.CONTENT_ITEM_TYPE,String.valueOf(ContactsContract.CommonDataKinds.Phone.TYPE_HOME)}, null); 33 if(homePhoneCur.moveToFirst()){ 34 homePhone=homePhoneCur.getString(homePhoneCur.getColumnIndex(ContactsContract.CommonDataKinds.Phone.NUMBER)); 35 } 36 homePhoneCur.close(); 37 38 // 根据contact_ID取得WorkPhone号码 39 Cursor workPhoneCur = cr.query(ContactsContract.Data.CONTENT_URI, 40 new String[] {ContactsContract.CommonDataKinds.Phone.NUMBER}, 41 ContactsContract.Data.CONTACT_ID + "=?" + " AND " 42 + ContactsContract.Data.MIMETYPE + "=? "+" AND " 43 +ContactsContract.CommonDataKinds.Phone.TYPE + "=?", 44 new String[]{android_id,ContactsContract.CommonDataKinds.Phone.CONTENT_ITEM_TYPE,String.valueOf(ContactsContract.CommonDataKinds.Phone.TYPE_WORK)}, null); 45 if(workPhoneCur.moveToFirst()){ 46 workPhone=workPhoneCur.getString(workPhoneCur.getColumnIndex(ContactsContract.CommonDataKinds.Phone.NUMBER)); 47 } 48 workPhoneCur.close(); 49 50 // 根据contact_ID取得MobilePhone号码 51 Cursor mobilePhoneCur = cr.query(ContactsContract.Data.CONTENT_URI, 52 new String[] {ContactsContract.CommonDataKinds.Phone.NUMBER}, 53 ContactsContract.Data.CONTACT_ID + "=?" + " AND " 54 + ContactsContract.Data.MIMETYPE + "=? "+" AND " 55 +ContactsContract.CommonDataKinds.Phone.TYPE + "=?", 56 new String[]{android_id,ContactsContract.CommonDataKinds.Phone.CONTENT_ITEM_TYPE,String.valueOf(ContactsContract.CommonDataKinds.Phone.TYPE_MOBILE)}, null); 57 if(mobilePhoneCur.moveToFirst()){ 58 mobilePhone=mobilePhoneCur.getString(mobilePhoneCur.getColumnIndex(ContactsContract.CommonDataKinds.Phone.NUMBER)); 59 } 60 mobilePhoneCur.close(); 61 62 // 根据contact_ID取得MobilePhone号码 63 Cursor faxPhoneCur = cr.query(ContactsContract.Data.CONTENT_URI, 64 new String[] {ContactsContract.CommonDataKinds.Phone.NUMBER}, 65 ContactsContract.Data.CONTACT_ID + "=?" + " AND " 66 + ContactsContract.Data.MIMETYPE + "=? "+" AND " 67 +ContactsContract.CommonDataKinds.Phone.TYPE + "=?", 68 new String[]{android_id,ContactsContract.CommonDataKinds.Phone.CONTENT_ITEM_TYPE,String.valueOf(ContactsContract.CommonDataKinds.Phone.TYPE_FAX_HOME)}, null); 69 if(faxPhoneCur.moveToFirst()){ 70 faxPhone=faxPhoneCur.getString(faxPhoneCur.getColumnIndex(ContactsContract.CommonDataKinds.Phone.NUMBER)); 71 } 72 faxPhoneCur.close(); 73 74 // 根据contact_ID取得MobilePhone号码 75 Cursor emailCur = cr.query(ContactsContract.Data.CONTENT_URI, 76 new String[] {ContactsContract.CommonDataKinds.Email.DATA}, 77 ContactsContract.Data.CONTACT_ID + "=?" + " AND " 78 + ContactsContract.Data.MIMETYPE + "=? "+" AND " 79 +ContactsContract.CommonDataKinds.Phone.TYPE + "=?", 80 new String[]{android_id,ContactsContract.CommonDataKinds.Email.CONTENT_ITEM_TYPE,String.valueOf(ContactsContract.CommonDataKinds.Email.TYPE_WORK)}, null); 81 if(emailCur.moveToFirst()){ 82 email=emailCur.getString(emailCur.getColumnIndex(ContactsContract.CommonDataKinds.Email.DATA)); 83 } 84 emailCur.close(); 85 86 // 根据contact_ID取得MobilePhone号码 87 Cursor addressCur = cr.query(ContactsContract.Data.CONTENT_URI, 88 new String[] {ContactsContract.CommonDataKinds.StructuredPostal.CITY,ContactsContract.CommonDataKinds.StructuredPostal.REGION, 89 ContactsContract.CommonDataKinds.StructuredPostal.COUNTRY}, 90 ContactsContract.Data.CONTACT_ID + "=?" + " AND " 91 + ContactsContract.Data.MIMETYPE + "=? ", 92 new String[]{android_id,ContactsContract.CommonDataKinds.StructuredPostal.CONTENT_ITEM_TYPE}, null); 93 if(addressCur.moveToFirst()){ 94 city=addressCur.getString(addressCur.getColumnIndex(ContactsContract.CommonDataKinds.StructuredPostal.CITY)); 95 state=addressCur.getString(addressCur.getColumnIndex(ContactsContract.CommonDataKinds.StructuredPostal.REGION)); 96 country=addressCur.getString(addressCur.getColumnIndex(ContactsContract.CommonDataKinds.StructuredPostal.COUNTRY)); 97 } 98 addressCur.close(); 99 100 // 根据contact_ID取得MobilePhone号码 101 Cursor birthdayCur = cr.query(ContactsContract.Data.CONTENT_URI, 102 new String[] {ContactsContract.CommonDataKinds.Event.DATA}, 103 ContactsContract.Data.CONTACT_ID + "=?" + " AND " 104 + ContactsContract.Data.MIMETYPE + "=? "+" AND " 105 + ContactsContract.CommonDataKinds.Event.TYPE + "=? ", 106 new String[]{android_id,ContactsContract.CommonDataKinds.Event.CONTENT_ITEM_TYPE,String.valueOf(ContactsContract.CommonDataKinds.Event.TYPE_BIRTHDAY)}, null); 107 if(birthdayCur.moveToFirst()){ 108 birthday=birthdayCur.getString(birthdayCur.getColumnIndex(ContactsContract.CommonDataKinds.Event.DATA)); 109 } 110 birthdayCur.close();
以上只是查找了contacts的部分字段，同鞋们可以自行拓展，比如说查找其IM,Organization,Nickname,WebSite等等.
得到contacts联系人之后，我们可以对其做相应的修改，修改完成后，我们要将数据更新到android contacts数据库中，以下就是更新的范例:
1 ArrayList ops = 2 new ArrayList(); 3 // 更新family_name和given_name 4 ops.add(ContentProviderOperation.newUpdate(ContactsContract.Data.CONTENT_URI) 5 .withSelection(ContactsContract.Data.CONTACT_ID + "=?" + " AND " 6 + ContactsContract.Data.MIMETYPE + "=?", 7 new String[]{android_id,ContactsContract.CommonDataKinds.StructuredName.CONTENT_ITEM_TYPE}) 8 .withValue(ContactsContract.CommonDataKinds.StructuredName.FAMILY_NAME, firstN) 9 .withValue(ContactsContract.CommonDataKinds.StructuredName.GIVEN_NAME, lastN) 10 .build()); 11 // 更新comany 12 ops.add(ContentProviderOperation.newUpdate(ContactsContract.Data.CONTENT_URI) 13 .withSelection(ContactsContract.Data.CONTACT_ID + "=?" + " AND " 14 + ContactsContract.Data.MIMETYPE + "=?"+ " AND " 15 + ContactsContract.CommonDataKinds.Organization.TYPE + "=?", 16 new String[]{android_id,ContactsContract.CommonDataKinds.Organization.CONTENT_ITEM_TYPE,String.valueOf(ContactsContract.CommonDataKinds.Organization.TYPE_WORK)}) 17 .withValue(ContactsContract.CommonDataKinds.Organization.COMPANY, com) 18 .build()); 19 // 更新homePhone 20 ops.add(ContentProviderOperation.newUpdate(ContactsContract.Data.CONTENT_URI) 21 .withSelection(ContactsContract.Data.CONTACT_ID + "=?" + " AND " 22 + ContactsContract.Data.MIMETYPE + "=?"+ " AND " 23 + ContactsContract.CommonDataKinds.Organization.TYPE + "=?", 24 new String[]{android_id,ContactsContract.CommonDataKinds.Phone.CONTENT_ITEM_TYPE,String.valueOf(ContactsContract.CommonDataKinds.Phone.TYPE_HOME)}) 25 .withValue(ContactsContract.CommonDataKinds.Phone.NUMBER, hp) 26 .build()); 27 // 更新workPhone 28 ops.add(ContentProviderOperation.newUpdate(ContactsContract.Data.CONTENT_URI) 29 .withSelection(ContactsContract.Data.CONTACT_ID + "=?" + " AND " 30 + ContactsContract.Data.MIMETYPE + "=?"+ " AND " 31 + ContactsContract.CommonDataKinds.Organization.TYPE + "=?", 32 new String[]{android_id,ContactsContract.CommonDataKinds.Phone.CONTENT_ITEM_TYPE,String.valueOf(ContactsContract.CommonDataKinds.Phone.TYPE_WORK)}) 33 .withValue(ContactsContract.CommonDataKinds.Phone.NUMBER,wp) 34 .build()); 35 // 更新mobilePhone 36 ops.add(ContentProviderOperation.newUpdate(ContactsContract.Data.CONTENT_URI) 37 .withSelection(ContactsContract.Data.CONTACT_ID + "=?" + " AND " 38 + ContactsContract.Data.MIMETYPE + "=?"+ " AND " 39 + ContactsContract.CommonDataKinds.Organization.TYPE + "=?", 40 new String[]{android_id,ContactsContract.CommonDataKinds.Phone.CONTENT_ITEM_TYPE,String.valueOf(ContactsContract.CommonDataKinds.Phone.TYPE_MOBILE)}) 41 .withValue(ContactsContract.CommonDataKinds.Phone.NUMBER,mp) 42 .build()); 43 // 更新faxPhone 44 ops.add(ContentProviderOperation.newUpdate(ContactsContract.Data.CONTENT_URI) 45 .withSelection(ContactsContract.Data.CONTACT_ID + "=?" + " AND " 46 + ContactsContract.Data.MIMETYPE + "=?"+ " AND " 47 + ContactsContract.CommonDataKinds.Organization.TYPE + "=?", 48 new String[]{android_id,ContactsContract.CommonDataKinds.Phone.CONTENT_ITEM_TYPE,String.valueOf(ContactsContract.CommonDataKinds.Phone.TYPE_FAX_HOME)}) 49 .withValue(ContactsContract.CommonDataKinds.Phone.NUMBER,fp) 50 .build()); 51 // 更新email 52 ops.add(ContentProviderOperation.newUpdate(ContactsContract.Data.CONTENT_URI) 53 .withSelection(ContactsContract.Data.CONTACT_ID + "=?" + " AND " 54 + ContactsContract.Data.MIMETYPE + "=?"+ " AND " 55 + ContactsContract.CommonDataKinds.Email.TYPE + "=?", 56 new String[]{android_id,ContactsContract.CommonDataKinds.Email.CONTENT_ITEM_TYPE,String.valueOf(ContactsContract.CommonDataKinds.Email.TYPE_WORK)}) 57 .withValue(ContactsContract.CommonDataKinds.Email.DATA,em) 58 .build()); 59 // 更新city,state,country 60 ops.add(ContentProviderOperation.newUpdate(ContactsContract.Data.CONTENT_URI) 61 .withSelection(ContactsContract.Data.CONTACT_ID + "=?" + " AND " 62 + ContactsContract.Data.MIMETYPE + "=?"+ " AND " 63 + ContactsContract.CommonDataKinds.StructuredPostal.TYPE + "=?", 64 new String[]{android_id,ContactsContract.CommonDataKinds.StructuredPostal.CONTENT_ITEM_TYPE,String.valueOf(ContactsContract.CommonDataKinds.StructuredPostal.TYPE_HOME)}) 65 .withValue(ContactsContract.CommonDataKinds.StructuredPostal.CITY, city) 66 .withValue(ContactsContract.CommonDataKinds.StructuredPostal.REGION, state) 67 .withValue(ContactsContract.CommonDataKinds.StructuredPostal.COUNTRY,cou) 68 .build()); 69 // 更新birthday 70 ops.add(ContentProviderOperation.newUpdate(ContactsContract.Data.CONTENT_URI) 71 .withSelection(ContactsContract.Data.CONTACT_ID + "=?" + " AND " 72 + ContactsContract.Data.MIMETYPE + "=?"+ " AND " 73 + ContactsContract.CommonDataKinds.Event.TYPE + "=?", 74 new String[]{android_id,ContactsContract.CommonDataKinds.Event.CONTENT_ITEM_TYPE,String.valueOf(ContactsContract.CommonDataKinds.Event.TYPE_BIRTHDAY)}) 75 .withValue(ContactsContract.CommonDataKinds.Event.DATA, bir) 76 .build()); 77 try 78 { 79 ContentProviderResult[] res = context.getContentResolver().applyBatch(ContactsContract.AUTHORITY, ops); 80 // Log.i("contact", "android_id="+android_id+",firstName="+firstName+",lastName="+lastName); 81 // appState.db.insertContactToTag(tagId,String.valueOf(contactId)); 82 } 83 catch (RemoteException e) 84 { 85 // error 86 }catch (OperationApplicationException e) 87 { 88 // error 89 }
同样以上更新也仅是对contact的部分字段进行了更新，我相信聪明的你，仔细阅读，细细推敲一番，定能找到其中的规律，从而对犹如IM,Nickname,Event,Organization等字段进行更新。
以上只是对已经存在的contacts进行操作，那么我们一开始该如何向里面插入一条数据呢，以下代码是实现向数据库中插入一条数据的操作。
1 ArrayList ops = new ArrayList(); 2 int rawContactInsertIndex = ops.size(); 3 4 ops.add(ContentProviderOperation.newInsert(ContactsContract.RawContacts.CONTENT_URI) 5 .withValue(ContactsContract.RawContacts.ACCOUNT_TYPE, null) 6 .withValue(ContactsContract.RawContacts.ACCOUNT_NAME, null) 7 .build()); 8 9 //------------------------------------------------------ Names 10 if(firstN != null && lastN!=null ) 11 { 12 ops.add(ContentProviderOperation.newInsert(ContactsContract.Data.CONTENT_URI) 13 .withValueBackReference(ContactsContract.Data.RAW_CONTACT_ID, rawContactInsertIndex) 14 .withValue(ContactsContract.Data.MIMETYPE, 15 ContactsContract.CommonDataKinds.StructuredName.CONTENT_ITEM_TYPE) 16 .withValue(ContactsContract.CommonDataKinds.StructuredName.DISPLAY_NAME, firstN+lastN) 17 .withValue(ContactsContract.CommonDataKinds.StructuredName.FAMILY_NAME, firstN) 18 .withValue(ContactsContract.CommonDataKinds.StructuredName.GIVEN_NAME, lastN) 19 .build()); 20 } 21 22 //------------------------------------------------------ Organization 23 if(com!=null) 24 { 25 ops.add(ContentProviderOperation.newInsert(ContactsContract.Data.CONTENT_URI) 26 .withValueBackReference(ContactsContract.Data.RAW_CONTACT_ID, rawContactInsertIndex) 27 .withValue(ContactsContract.Data.MIMETYPE, 28 ContactsContract.CommonDataKinds.Organization.CONTENT_ITEM_TYPE) 29 .withValue(ContactsContract.CommonDataKinds.Organization.COMPANY, com) 30 .withValue(ContactsContract.CommonDataKinds.Organization.TYPE, ContactsContract.CommonDataKinds.Organization.TYPE_WORK) 31 .build()); 32 } 33 34 //------------------------------------------------------ Home Numbers 35 if(hp!= null) 36 { 37 ops.add(ContentProviderOperation.newInsert(ContactsContract.Data.CONTENT_URI) 38 .withValueBackReference(ContactsContract.Data.RAW_CONTACT_ID, rawContactInsertIndex) 39 .withValue(ContactsContract.Data.MIMETYPE, 40 ContactsContract.CommonDataKinds.Phone.CONTENT_ITEM_TYPE) 41 .withValue(ContactsContract.CommonDataKinds.Phone.NUMBER, hp) 42 .withValue(ContactsContract.CommonDataKinds.Phone.TYPE, 43 ContactsContract.CommonDataKinds.Phone.TYPE_HOME) 44 .build()); 45 } 46 //------------------------------------------------------ Work Numbers 47 if(wp != null) 48 { 49 ops.add(ContentProviderOperation.newInsert(ContactsContract.Data.CONTENT_URI) 50 .withValueBackReference(ContactsContract.Data.RAW_CONTACT_ID, rawContactInsertIndex) 51 .withValue(ContactsContract.Data.MIMETYPE, 52 ContactsContract.CommonDataKinds.Phone.CONTENT_ITEM_TYPE) 53 .withValue(ContactsContract.CommonDataKinds.Phone.NUMBER, wp) 54 .withValue(ContactsContract.CommonDataKinds.Phone.TYPE, 55 ContactsContract.CommonDataKinds.Phone.TYPE_WORK) 56 .build()); 57 } 58 //------------------------------------------------------ Mobile Number 59 if(mp != null) 60 { 61 ops.add(ContentProviderOperation.newInsert(ContactsContract.Data.CONTENT_URI) 62 .withValueBackReference(ContactsContract.Data.RAW_CONTACT_ID, rawContactInsertIndex) 63 .withValue(ContactsContract.Data.MIMETYPE, 64 ContactsContract.CommonDataKinds.Phone.CONTENT_ITEM_TYPE) 65 .withValue(ContactsContract.CommonDataKinds.Phone.NUMBER, mp) 66 .withValue(ContactsContract.CommonDataKinds.Phone.TYPE, 67 ContactsContract.CommonDataKinds.Phone.TYPE_MOBILE) 68 .build()); 69 } 70 //------------------------------------------------------ Fax Number 71 if(fp != null) 72 { 73 ops.add(ContentProviderOperation.newInsert(ContactsContract.Data.CONTENT_URI) 74 .withValueBackReference(ContactsContract.Data.RAW_CONTACT_ID, rawContactInsertIndex) 75 .withValue(ContactsContract.Data.MIMETYPE, 76 ContactsContract.CommonDataKinds.Phone.CONTENT_ITEM_TYPE) 77 .withValue(ContactsContract.CommonDataKinds.Phone.NUMBER, fp) 78 .withValue(ContactsContract.CommonDataKinds.Phone.TYPE, 79 ContactsContract.CommonDataKinds.Phone.TYPE_FAX_HOME) 80 .build()); 81 } 82 83 //------------------------------------------------------ Email 84 if(em != null) 85 { 86 ops.add(ContentProviderOperation.newInsert(ContactsContract.Data.CONTENT_URI) 87 .withValueBackReference(ContactsContract.Data.RAW_CONTACT_ID, rawContactInsertIndex) 88 .withValue(ContactsContract.Data.MIMETYPE, 89 ContactsContract.CommonDataKinds.Email.CONTENT_ITEM_TYPE) 90 .withValue(ContactsContract.CommonDataKinds.Email.DATA, em) 91 .withValue(ContactsContract.CommonDataKinds.Email.TYPE, ContactsContract.CommonDataKinds.Email.TYPE_WORK) 92 .build()); 93 } 94 //------------------------------------------------------ City,state,country 95 if(city != null) 96 { 97 ops.add(ContentProviderOperation.newInsert(ContactsContract.Data.CONTENT_URI) 98 .withValueBackReference(ContactsContract.Data.RAW_CONTACT_ID, rawContactInsertIndex) 99 .withValue(ContactsContract.Data.MIMETYPE, 100 ContactsContract.CommonDataKinds.StructuredPostal.CONTENT_ITEM_TYPE) 101 .withValue(ContactsContract.CommonDataKinds.StructuredPostal.CITY, city) 102 .withValue(ContactsContract.CommonDataKinds.StructuredPostal.REGION, state) 103 .withValue(ContactsContract.CommonDataKinds.StructuredPostal.COUNTRY,cou) 104 .withValue(ContactsContract.CommonDataKinds.StructuredPostal.TYPE, 105 ContactsContract.CommonDataKinds.StructuredPostal.TYPE_HOME) 106 .build()); 107 } 108 109 //------------------------------------------------------ Birthday 110 if(bir != null) 111 { 112 ops.add(ContentProviderOperation.newInsert(ContactsContract.Data.CONTENT_URI) 113 .withValueBackReference(ContactsContract.Data.RAW_CONTACT_ID, rawContactInsertIndex) 114 .withValue(ContactsContract.Data.MIMETYPE, 115 ContactsContract.CommonDataKinds.Event.CONTENT_ITEM_TYPE) 116 .withValue(ContactsContract.CommonDataKinds.Event.DATA, bir) 117 .withValue(ContactsContract.CommonDataKinds.Event.TYPE, 118 ContactsContract.CommonDataKinds.Event.TYPE_BIRTHDAY) 119 .build()); 120 } 121 try 122 { 123 ContentProviderResult[] res = context.getContentResolver().applyBatch(ContactsContract.AUTHORITY, ops); 124 125 return res; 126 } 127 catch (RemoteException e) 128 { 129 // error 130 }catch (OperationApplicationException e) 131 { 132 // error 133 }
实现以上代码便可将一条数据插入到contacts数据库中，同样，你也可以插入其他的字段，而且你也可以细细研究下ContentProviderResult[]，看看进行这些操作后，其返回的结果都是什么。
以上实现了对android contacts 增、删、改、查中的三种，下面的代码就是实现删的，删除一个contacts相对来说比较简单些。
1 String where = ContactsContract.Data._ID + " = ? "; 2 String[] params = new String[] {android_id}; 3 4 ArrayList ops = new ArrayList(); 5 ops.add(ContentProviderOperation.newDelete(ContactsContract.RawContacts.CONTENT_URI) 6 .withSelection(where, params) 7 .build()); 8 try { 9 cr.applyBatch(ContactsContract.AUTHORITY, ops); 10 } catch (RemoteException e) { 11 // TODO Auto-generated catch block 12 e.printStackTrace(); 13 } catch (OperationApplicationException e) { 14 // TODO Auto-generated catch block 15 e.printStackTrace(); 16 }
删除一个contacts有很多的选择，你可以只删除电话这一块，也可以删除联系人信息这一块，而且你不仅可以将id做作为条件进行删除，你也可以将联系电话做为条件进行删除，你也还可以以用户名做为条件进行删除。
以上代码便可以实现对android contacts的增、删、改、查等操作。最后不要忘了赋予APP 对contacts读写的权限：
原文链接：http://bg135.com/android-contacts.html
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