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Android high-imitation real-time chat Based on Baidu cloud push   I have been imitating the interface. Today I am lucky enough to use Baidu cloud to push the imitation chat ~~~ First of all, I would like to express my special thanks to weidi1989 for

[Java]Package com.example.h3c.net; Import java. io. BufferedReader;Import java. io. IOException;Import java. io. InputStreamReader;Import java.net. ConnectException;Import java.net. HttpURLConnection;Import java.net. MalformedURLException;Import

  Package com. saveInstanceDemo. src; Import android. app. Activity; Import android. content. Intent; Import android. OS. Bundle; Import android. util. Log; Public class saveInstanceDemo extends Activity { Private static final String TAG =

The android: versionCode and android: versionName fields represent the version code and version name respectively. VersionCode is an integer and versionName is a string. VersionName is shown to users, and it is not easy to compare the size. During

The last time I explained the basic usage of Android Bluetooth, I went into depth and discussed the hidden APIs of Bluetooth. Anyone who has used Android settings (Setting) knows that pairing and unpairing can be established after Bluetooth search,

The first two articles briefly describe the method for parsing xml by using sax to implement the parsing function. The following uses sax to create an xml file. The first two articles briefly describe the method for parsing xml by using sax to

/*** Title:ConnectPool.java* Description: Connection pool Manager* Copyright:copyright © 2002/12/25* Company:* Author:* Version 2.0*/Import java.io.*;Import java.sql.*;Import java.util.*;Import Java.util.Date;/*** Management class

In the previous section, we explained the local service. This section mainly describes remote service, which involves aidl. Okay, old rules. Let's start with the basic knowledge: I. Basic Knowledge Role of aidl On the Android platform, each

This article mainly introduces array operations in JavaScript. This article describes join (), reverse (), sort (), concat (), slice (), and splice () for example, if you need several functions, you can refer to the array objects in JavaScript and

In the recent project, to achieve the mobile operation of Android devices in six directions, the first thing that comes to mind is the direction sensor. However, due to the diversity of Android devices, in the testing process, not all devices have

Android Application Development requires assistance with the output information in log files during debugging.1. Android Application debugging By default, Android applications cannot be debugged. (eclipse) will prompt the following message:

A summary of Handler usage and a summary of Handler usage * *********************************** MHandler. postDelayed (image polling) and mHandler. post (with the new UI) ************************************ Activity_main.xml MainActivity

How to obtain the Internet ip address of wifi for android // Get the Internet IPpublic static String GetNetIp () {URL infoUrl = null; InputStream inStream = null; try {// http://iframe.ip138.com/ic.asp// infoUrl = new URL (http://city.ip138.com/city0

Solve the Problem of Blank Up and down ImageView.Today, when I was doing an application, I found that there was a blank space in the upper and lower part of the ImageView, so I knew this attribute: android:adjustViewBounds="true" If you want to

I haven't written a blog for a long time, mainly because of the delay in my recent work and the download of the Android source code (the download of the source code will be written in the subsequent blog, this really makes sense ~~), So what do you

About how to debug the Android program using Eclipse and DDMS, and how to debug the android program using eclipseHow to Use Eclipse and DDMS to debug Android programs There are many ways to debug programs in Eclipse development tools, but you need

Some time ago I made a small application for batch installation and uninstallation of applications. Because some APIs for installing and uninstalling applications are hidden, the Android system source code must be downloaded under ubuntu, after

Android technology-database (III): SQLite database application instance, androidsqlite For the source code of this article, see: https://github.com/YongYuIT/MeiNvLiuLanQi The example in this article is based on the project added in "Android system

Handler's understanding and use 1. Handler's understanding and use Directory:   Basic knowledge:   1. Android process and thread model 2. Main Android UI thread (or thread security issues) Knowledge points: Handler Introduction Handler Method 1: The

Android event bus (AndroidEventBus) framework released, android event distribution mechanismAndroidEventBus If you don't know what the event bus is, it doesn't matter. Let's look at this scenario first: During development, have you ever