how to backup android phone contacts

Next, the android content provider-content providers (1) Contacts provider is a powerful and flexible component in Android. It manages the data in the system address book and provides external access interfaces to access and operate the system address book. The organization chart of contacts provider is as follows: It

the contacts in the Android system are also available through ContentProvider, where we get all the contacts, get contacts by phone number, add contacts, add contacts using transactions

Specific steps 1. In the mobile phone we click on "Contact" as shown in the picture. 2. Then click the "Contact" menu in the following figure. 3. On the phone's "menu" key, select "Import/Export". 4. Click the "Export to SIM card" menu. 5. Because I want to back up so I click on "Select All" as an example, choose Good, click on the top right corner of the screen "finish." 6. Finally click "OK" button. 7. Display the copy progress on

Today's learning task: Read the main information (name and phone number) of all contacts on the mobile phone, and display it in listview Main Content involved: 1) structure and usage of the contact API 2) role of the contentprovider component, Uri concept and usage 3) create a listview and bind data 1. Structure and usage of the contact API Since

associated with the original contact table by ID. Let's take a look at the relationship between the three: The top layer displays the aggregate contact table contacts, with the original contact table rawcontacts in the middle. Three accounts (two Gmail accounts and one Twitter account) store the contact information respectively, the bottom layer is the data table, which stores the contact information. The figure shows the three-tier architecture of

number from the contact, and then process the callback result by Onactivityresult () method Intent Intent = new Intent (context, contactsactivity.class); Startactivityforresult (Intent, Request_code); } }); /** * Select the callback handler function for the contact person */ @Override public void Onactivityresult (int reqcode, int resultcode, Intent data) { Super.onactivityresult (Reqcode, ResultCode, data); if (ResultCode = = RESULT_OK) { Switch (reqcode) { Case Reque

This article is an example of the Android development of contact modification, new contact method, through this example code can implement add contact, edit modify contact, add new contacts and update contacts, and other operations, operations mainly in the thread processing, and in the process of operation, display the circular progress bar, In the

With this article, I would like to explain how to create a searchable "contact list" Android application. With this application, users can browse through all saved contacts and search for contacts by their contact names by using the navigation buttons. The application can also display a photo of the contact, if available. To browse the contact list, you can use

[Android] mobile guard reads contacts, android guard Obtains the ContentResolver content parser object through the getContentResolver () method. Call the query () method of the ContentResolver object to obtain the data in the raw_contacts table and obtain the Cursor object. Parameter: Uri object, field String Array Obtain the Uri object by using the Uri. parse (

. provider. contactsContract. commonDataKinds. phone; import android. text. editable; import android. text. textUtils; import android. text. textWatcher; import android. util. log; import android. view. view; import

Using content providers to read contacts Inserting contacts with content providers The principle of the content observer Use the Content Viewer to monitor the System application database or its own application database changes Using content providers to read contactsReading a contact is a lot more complicated than reading a text message, so let's step through it.Take a look at the contact's

=============================================================================================================== =====================Reverse the Avatar ID using the phone number:Calls table in the PHOTO_ID column data There is a small problem, when the caller calls in, if not answered, the other person's profile picture ID value isis not recorded in the calls table. No avatar appears when the call record is displayed in Calllogfragment. Therefore, it

Use of Android open-source class library Pinyin4j ---- search contacts Pinyin4j can only be regarded as a Java open source class library, but it is also frequently used in Android application development. You have used mobile phone address book and address book to search for contac