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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
First, create a layout file. The interface is very simple. It is a search box and the following contact list:
Copy codeThe Code is as follows: Android: layout_width = "fill_parent"
Android: layout_height = "fill_parent"
Android: background = "# FFD3D7DF"
Android: orientation = "vertical"
Android applications are often used to develop Android mobile phone contacts. In Android, listview is usually used to present mobile phone contacts. If you want to achieve full selection using checkbox, the default listview does not seem to solve this problem.
In the follo
The example in this article describes how to import address book contacts to the Android emulator using the ADB command. Share to everyone for your reference. The implementation methods are as follows:
Using the commands provided by ADB, you can easily import the address book from your PC into the Android emulator.
First you have to prepare a fixed-format conta
sectionindexer. However, it is too troublesome to write another sectionindexer. Here, we directly use the Android-provided alphabetindexer implementation, it is sufficient to use it to implement the Contact Group function.
The alphabetindexer constructor requires three parameters. The first parameter is cursor, the second parameter is sortedcolumnindex, and the third parameter is the alphabet string. The cursor transmits the cursor we found from the
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
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
[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 (
Next, go to the android content providers (II) -- contacts provider to continue. Next, we will describe the top-level contacts, the contacts is the aggregate contact table, and the rawcontacts discussed earlier is the original contact table, in the architecture of the android
Android queries the contact name based on the phone number and exports all contacts in the address book. method 1 /*
2 * obtain the contact name based on the phone number
3 */
4 public static string getcontactnamebyphonenumber (context, string address ){
5 string [] projection = {contactscontract. phonelookup. display_name,
6 contactscontract. commondatakinds. Phone. Number };
7
8 // Add yourself to mspeers
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. Get all
Preset contacts for android GB2/GB3 versions that cannot be edited or deleted1. For versions such as GB2 and GB3, you can select Part one as the preset contact.For example, the definition added at the beginning of the AbstractStartSIMService class is as follows:Public static final int INSERT_NUMBER_COUNT = 4; // defines the number of contacts to be presetPublic s
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 Android 2.0 (API Level 5), the
Android quick index (City list and contacts) and android Index
You need to quickly index a city list. Similar to a contact application, the quick indexing function is based on the first letter of the name.To implement this function, you only need to solve two problems:
1. Grouping the list (having the same feature) and quickly locating the first item in the grou
source code directory
A. Compile the SDK
# Make product-SDK
After the SDK is compiled, in the out/host/linux-x86/SDK/android-sdk_eng.xxx_linux-x86, pay attention to remove it, it is better to clear it next time Mmm Compilation
B. Compile the application module: less contact
. Build/envsetup. Sh
Mmm packages/apps/contacts
$ Make Snod
Regenerate system. IMG and run the simulator: emulator
know the hostname and path . Follow me to look at the source code, this time the contact app content provider's path is android4.4\packages\providers\contactsprovider . To open the manifest file, you can see the following information: provider android:name = "ContactsProvider2" android:authorities =" contacts;com.android.contacts " Span class= "Hljs-attribute" >android:label = "@string/provider_label" android:multiprocess = "false" andro
Android Address Book fuzzy search (numbers, names, initials, full spelling), batch select contactsAndroid Address Book fuzzy search (numbers, names, initials, full spelling), batch select contacts
The company encountered a requirement in a recent project that needed to read contacts in the address book and support fuzzy queries and batch selection of
The contact database of the Android system is very complex, not a simple table can be done.To simply query the user name and phone number, first to query the name, and then enter the name of the phone number, a name may correspond to multiple phone numbers: These is the Contacts rows that we'll retrieve. Static final string[] Contacts_summary_projection = new
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 contacts. You can use pinyin4j. The followin
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