messenger application for android

This example describes the simple application of Android ListView. Share to everyone for your reference, specific as follows: What we're going to talk about today is the implementation of ListView in Android. It's divided into four steps, and I'll explain: Step one : create a new Android project named Listviewdemo.

This article illustrates the simple application of Android programming imitation iphone drag photo effects gallery. Share to everyone for your reference, specific as follows: Step 1: prepare the picture material. Will icon2,icon3,icon4,icon5,icon6 five pictures into the res/drawable plus icon.png itself a total of 6 pictures. Step 2: new Android project, named

1. What is sip? Step-by-Step sip Ii. How to Use sip in Android? Sipdroid, Demo: Android-SDK-Windows \ samples \ Android-9 \ sipdemo 3. Does the system support sip? Android provides the SIP function since 2.3. The SIP-related APIs are stored in the directory frameworks/base/VoIP/Java/

Analysis of the timing framework of the Android clock application and the android clock framework In general, the Android system uses a database to store scheduled data. A status manager is provided to centrally manage the trigger and update of these scheduled states. To implement the timing function in the Andriod sys

Display webpage: 1. Uri uri = URI. parse ("http://www.google.com ");2. Intent it = new intent (intent. action_view, Uri );3. startactivity (it ); Display map: 1. Uri uri = URI. parse ("Geo: 38.899533,-77.036476 ");2. Intent it = new intent (intent. action_view, Uri );3. startactivity (it ); Path Planning: 1. Uri uri = URI. parse ("http://maps.google.com/maps? F = D saddr = startlat % 20 startlng daddr = endlat % 20 endlng HL = EN ");2. Intent it = new intent (intent. action_view, Ur

In Android Application Development, we do not want users to directly press the back key to exit the activity, but hide the application to the background, similar to pressing the Home Key. Provided belowCodeFor more information, see. Public Boolean onkeydown (INT keycode, keyevent event) {If (keycode = keyevent. keycode_back) {intent = new intent (intent. ac

Before introducing the program implementation, let's look at the basics of activities and tasks in Android.As we all know, one activity can start another, even if it is defined in a different application, for example, if you want to show the user a map of information, there is already a task that can do this, So now all your activity needs to do is put the request information into a intent object and pass the intent object to StartActivity (), and the

. Apply the previously created theme/style in the androidmanifest file. Next, we use a program to verify our special effects. When the program starts, it displays "theme. mainactivity" in our custom properties" The bg_theme image in, after entering the program, displays the bg_car image in our custom layout. Does it look so dazzling. To extend the special effect time, handler can be used to extend the special effect time. The procedure is as follows: Importandroid. app. activity; import

Android. mk is as follows: LOCAL_PATH: = $ (call my-dir)Include $ (CLEAR_VARS)# Dependent dynamic library listXLOCAL_SHARED_LIBRARIES: = \Liblog# Header file listXLOCAL_C_INCLUDES: = \/Home/dell/yangping/json_linux/jsoncpp-src-0.5.0/include \$ (LOCAL_PATH)/Comm \$ (LOCAL_PATH)/XJniInterface# Source file listXLOCAL_CPPS: = \$ (Wildcard $ (LOCAL_PATH)/Comm/*. cpp )\$ (Wildcard $ (LOCAL_PATH)/XJniInterface/*. cpp)XLOCAL_SRC_FILES :=$ (XLOCAL_CPPS: $ (LO

Just touch Android, not very familiar. After discovering that items that can be packaged properly before adding confusion and then packaging the signature apk, you are prompted with "Android Proguard failed to export application".Comment out the proguard.config=proguard.cfg in the program (in the Project.Properties file), and then package the discovery without co

Source code of the application client Android, android This is an android client, similar to the official website. The interface is almost the same. Some pop-up advertisements are also included in the application. You can refer to it, install the test package in the source

Android Application development performance optimization 1: ViewStub When developing our Android Application, you may need to dynamically display a View or Layout at runtime based on certain conditions. The most common method is to write all the views that may be used in the layout file. First, set the unwanted View. s

").However, if the first letter of the name is set to the dot number, it can also be the class name, such as. Mybackupagent "), he will be appended to the package name defined in the There is no default value.4, Android:debuggableWhether the application can use debug or even run in user mode. True can, false cannot. The default is False.5, Android:descriptionUser-readable, longer and more application descri

), myobj); In the code above, the function of JavaScript to invoke the Android method is opened, and the MyObject object in the Android application is exposed to the JavaScript script, exposing the object named MyObj in the JavaScript script. The MyObject code is as follows: public class MyObject { private context context; Public MyObject { This.co

This article focuses on how to debug Android apps using real machines. Before we start, we need to be clear about one thing: using a real machine to debug an Android application is essential, and can be said to be necessary! The reasons are mainly but not limited to the following points: 1 The simulator does not simulate all the functions of the handset. For exa

Item Recording Application Android source code and item Android source code This project was developed by myself in my spare time in the company. Its main function is to record the item management of daily life. For more information about android shoes, please download it. In the project, the sqlite da

); }/** * Itemview child control's Click event Listener * * / Public Static interface oninnerviewclicklistenerT> { Public void OnClick(View view, T ItemData,intpostition); }}Baseviewholder is primarily responsible for loading the ItemData data onto Itemview, and can also handle the click events of controls inside Itemview by implementing View.onclicklistener.All right, here we go!If there is a deeper understanding, this article will be modified;If there is a mistake, please correct

Application FundamentalsEnglish Original: http://developer.android.com/guide/components/fundamentals.htmlAcquisition Date: 2014-04-16Moved from the original blog: http://blog.sina.com.cn/s/blog_48d491300101h41p.htmlIn this article Application components Activating components Manifest file declaring components Declaring the application's requirements

Background of writing this article As smartphone usage grows, more and more web-based applications are starting to provide the ability to access from mobile clients, whether the client is a browser or a native application. In both cases, these clients can use HTTP as a network protocol and, theoretically, they can be tested using the primary load test tools. On the other hand, most of the current available products, including IBM Rational performance

Application of Android custom control series-circular progress bar and android progress bar I. Overview In the previous blog, we introduced the basics of the Android custom control series. Link: http://www.cnblogs.com/jerehedu/p/4360066.html In this blog post, we will rewrite the ondraw () method and cus