messaging apps for android

WiFi-based Android LAN Instant Messaging Software, wifiandroid The WiFi-based Android LAN Instant Messaging Software communicates with other mobile devices through self-built Wi-Fi hotspots, enabling text chat, voice messaging, file transfer, and other functions, meets basic

1. The Android asynchronous messaging mechanism has the following two ways: (Asynchronous message delivery to resolve thread communication problems)Handler and Asynctask2, the use of handler official interpretation:1), timed tasks: Use Handler.postdelay (Runnable R, time) to execute MSG at specified times.2), inter-thread communication: Perform time-consuming tasks in a child thread when performing a more t

"Course Overview"Hands-on teaching you from scratch to complete the implementation of an Android Business Project, is currently the entire market is not a course, no nonsense to say, please look down."Project Profile"Project name: I US chatIndustry: Mobile Social Instant MessagingLines of code:100,000 +Development period:5 months"Instructor Profile" Jason, a stuffy old man."Knowledge that can be harvested"1. XMPP protocol and Asmack framework2. Collec

Mention of the message mechanism should not be unfamiliar to everyone, in the daily development of the inevitable to be involved in this aspect of the content. From a development perspective, handler is the upper-level interface of the Android messaging mechanism, which makes it possible to interact with handler only during the development process. The handler process is simple, and it makes it easy to swit

. Such as:Fill in the name of the app you created (the content is limited to numbers, uppercase and lowercase letters), such as:(The app name will exist in the appkey you generated, such as: Appkey is easemob-demo#chatdemoin the test demo, then Chatdemo is the name of the app that was filled in.) Registration authorization is optional on request)Once you've filled out the app name, click OK, create a success, and the system will generate Appkey and related configuration information for you, such

information from your friends) if(Message.getfrom (). Contains (Touserid)) {if(Message.getbody (). Length () > 0) { //Gets the user, message, time, instring[] args =Newstring[] {touserid, message.getbody ()}; //out of the handler to show the message .Android.os.Message msg =handler. Obtainmessage (); Msg.what= 1; Msg.obj=args; Msg.sendtotarget (); } } } }); }});Code to send the message://Send MessageStr

Android's messaging mechanism--handler:handler is a class that the Android SDK provides to developers for easy asynchronous message processing.A Why use Handler1. Message mechanism: communication between different threads. Then the introduction of the Android message mechanism can be used handler mechanism to outline.2. Why does

the TCP connection is allowed, as configured:Restart the SQL Server service and create a new database called "OpenFire" to start the configuration of the server.Start the server, open the extracted folder, go to the Bin directory, double-click Openfire.exe, wait for the program to run for a while, click the "Launch Admin" button to open the console.The program can choose Chinese language, the next step, come to the database configuration interface, I choose SQL Server here, and then enter the f

this thread is It's a bigger trick! Bmob-based Android Instant Messaging application source (a) sequel, mainly updated functionality. One, update more can:1, added support strangers chat, allow to send to non-friend users;2, new support custom message sending, easy for developers to expand;3, the new version greatly increase the stability and timeliness, to ensure that hundreds of arrival;4. Exclude the im

Because of the performance requirements, Android requires that the UI be updated only in the UI thread, and to update the UI in other threads, let's introduce a way to use the handler messaging mechanism.Here's how to update a TextView: Packagecom.example.runonuithreadtest;Importandroid.app.Activity;ImportAndroid.os.Bundle;ImportAndroid.os.Handler;ImportAndroid.widget.TextView; Public classMainactivityexten

This post focuses on some of the things that emoticons send.Reference: Android XMPP-based Instant Messaging 1-basic conversation1. Prepare the resource file.Using the emoji expression, I packed it,: http://files.cnblogs.com/files/pear-lemon/drawable.zip2. Expression layout file Layout_send_emotion.xmlXML version= "1.0" encoding= "Utf-8"?>Relativelayoutxmlns:android= "Http://schemas.android.com/apk/res/

); ... msg.recycleUnchecked(); }}Queue.next () takes out the message.Msg.target.dispatchMessage (msg) is equivalent to Handler.dispatchmessage (msg), distributing the message, calling the target handler callback method DispatchMessage.2.5 Processing messagesMessage processing callback method source code is as follows:publicvoiddispatchMessage(Message msg) { ifnull) { handleCallback(msg); else { ifnull) { if (mCallback.handleMessage(msg)) {

settings, support settings message notification reminders (sound vibration, etc.), support chat logs and message list empty;8, exit the popup when exiting the prompt box;There is a picture for proof:Here to explain, the personality signature is also the mood, after setting up, look at the next database, suspected and not saved to the database, so only you will be online to display the signature you have set, once the offline, your signature disappears. About the avatar display, XMPP is supporte

Development notes-Android instant messaging APP Based on XMPP (2) and xmppandroid After a few days, the application login and registration sections have been improved. Of course, this is just a personal feeling. Today,All are dry goods! First,No large piece of code; Second,Not found on the InternetFinally, let youSave development time! This is why the second serialization will be sent several days later. Si

Run Effect: First create a new Android project to define the required strings in String.xml:XML version= "1.0" encoding= "Utf-8"?>Resources> stringname= "Hello">Hello World, mainactivity!>stringname= "App_name">Send SMS Programstring> stringname= "Str_input_phone_number">Please enter your phone numberstring> stringname= "Str_input_sms_content">Please input text message contentstring> stringname= "Str_send_sms">Send SMSstring> stringname

requestConn.setrequestmethod ("GET"); Conn.setconnecttimeout (5000); Conn.setreadtimeout (5000); Conn.setrequestproperty ("User-agent", "mozilla/5.0 (Windows NT 6.1; WOW64) applewebkit/537.36 (khtml, like Gecko) chrome/45.0.2454.101 safari/537.36 "); //get the response code returned by the server intCode =Conn.getresponsecode (); if(Code = = 200) {InputStream is=Conn.getinputstream (); Bitmap Bitmap=Bitmapfactory.decodestream (IS); //Iv.seti

Use your Android phone for mini text messaging 1. Android httpserver and http debugging Android http server: httpcore PC http client: httpdebug 2. Text message sending Android. telephony. SmsManager package 3. Source Code: Package com. example. httpservertest; import jav

This article is on the basis of the previous blog post on the Android XMPP-based Instant Messaging 1-basic conversation, adding new features to File transfer1. Initialization of file Transfer management class Public StaticFiletransfermanager Getfiletransfermanager () {if(FileManager = =NULL) {Servicediscoverymanager Sdmanager=Servicediscoverymanager. Getinstancefor (connection); if(Sdmanager = =NULL) {Sdman

(NewEasechatmessagelist.messagelistitemclicklistener () {@Override Public void Onuseravatarclick(String username) {System.err.println ("Click on Avatar");//Avatar Click eventPublicstaticdata.thisfriendsid = Long. Parselong (username); System.err.println ("Username:"+long.parselong (username)); Intent Intent =NewIntent (xingactivity_01. This, Shejiaofrienddetailsactivity.class); StartActivity (Intent); }@Override Public void Onresendclic

The asynchronous messaging mechanism in Android is divided into four parts: message, Handler, MessageQueue, and Looper.Where the message is the messages passed between threads, the What, Arg1, arg2 fields can carry integer data, and the Obj field can carry an object.Handler is a processor that is used primarily for sending messages and processing messages. The method of sending a message is SendMessage; The