Http://www.cnblogs.com/dolphin0520/p/3355728.htmlNow walk in the streets can see two-dimensional code, and recently because of the project needs, so research the next two-dimensional code development of things, open source QR Code scanning library mainly has zxing and Zbar,zbar in the IPOs platform application more mature, and on the Android platform mainstream or use zxing library, So here are the main ways to use zxing for QR code development.1. How
Tutorial Index
Android drag and drop tutorial
Android plotting (drawables) Tutorial
Android styles and themes tutorial
Live wallpaper tutorial
Homescreen widgets tutorial
Custom views for Android (M m views) Tutorial
Android supports support for different screen siz
The number of rows of tablelayout is directly specified by the developer, that is, the number of tablerow objects (or view controls.
The number of columns in tablelayout is equal to the number of columns in tablerow with the maximum number of child controls. For example, if the first tablerow contains two sub-controls, the second tablerow contains three, and the third tablerow contains four, the number of columns of the tablelayout is 4.
Attributes that can be set for tablelayout include gl
Author: Zambia chicks
Since its launch, Android has been favored and sought after by developers as an open source. Developers of most Android applications will refer to Dev guide. If you want to gain an in-depth understanding of Android, you must refer to the underlying source code to make it more straightforward.The Androi
Android: gravity and android: layout_Gravity attributes may be frequently used during UI layout.
Many people have explained the differences between these two attributes on the Internet. (Materials are from the Internet)
LinearLayout has two very similar attributes:
Android: gravity and android: layout_gravity.
Their di
[Development Diary of Android in a row from scratch] (8) -- Android data storage (II) and android Data StorageLet's talk about database operations. Come On!When talking about data storage, databases have to be mentioned. Databases are the best tool for storing relational data. Android provides powerful database support
Travel to Android 16th use of various resources in android and travel to android
Use of various resources in android:
In android development, reasonable use of various resources should be defined in their respective xml for reuse;
String Resource: strings. xml, referenced in
Now there's an Android project A. We wanted to extend the functionality of a, but didn't want to develop on a basis, so we created another Android project B and wanted to refer to a in B.
One idea is to make engineering a a pure jar bag so that other projects can be referenced directly.
However, if you use a reference in R.java in Project A, you cannot make a jar package. The reason is that R.java are gen
Everyone android is a good mobile phone application software, we use the time to find his home page layout is nine mode, people feel very chic, because now a lot of Android software rarely use this layout mode, everyone Android use is very successful, Make people feel simple and generous and beautiful, let's look at the layout of
Objective
Since most of the Android beginner's tutorial doesn't teach you how to choose time, beginners encounter this kind of inevitable will be a bit overwhelmed, should let the user enter the date time? Not to say that the user experience is not good, processing users to enter a variety of date format will also take a great deal of effort, below to see how to achieve the Android selection time function.
Android Studio is a Google Android development environment, similar to eclipse development and debugging, is a tool development software. Android Studio 1.0 has recently been released. For more information, view the page.
Install using the PPA, very convenient, open the terminal, enter the following command:
sudo add-apt-repository ppa:paolorotolo/
The generated Android application APK file is best optimized because the essence of the APK package is a zip-compressed document that optimizes the orderly arrangement of uncompressed data in the package, reducing the memory consumption at the time the application runs. We can use the Zipalign tool for APK optimization.
Zipalign is an important tool for optimizing APK applications, according to the Android
Windows XP-android environment setup-[Comprehensive tutorials on Tanzhou android development], xp-android
Recently, many people in our class won't build the environment. Today, our Tanzhou android teacher talked about how to build the Windows XP-android environment. I secret
First, build the Android development environmentGetting ready: Download Eclipse, JDK, Android SDK, ADT Plugin: eclipse:http://www.eclipse.org/downloads/Jdk:http://www.oracle.com/technetwork/java/javase/downloads/jdk7u9-downloads-1859576.htmlAndroid sdk:http://developer.android.com/sdk/index.htmlAdt:http://developer.android.com/tools/sdk/eclipse-adt.html1. Install and configure the Java Development environme
The previous article describes the communication between the Android phone and the BLE terminal, while the most common ble terminal should be the ibeacon base station advocated by Apple. Ibeacon technology based on BLE, it is characterized by the broadcast of external messages, mobile phones do not need to connect to the Ibeacon base station can also obtain its information, is mainly used to do indoor positioning and marketing information push, in the
Android Push principle
Since the recent project involved Android push, I saw something about Android push, and we know that the Android push can come down to 3 kinds of implementations:
1, POLL, pull. The general idea is to send the request to the server regularly, and then let the server return the information itsel
RAR for Android is an old WinRAR free Android tool that allows you to compress and decompress files on Android devices.
Via @Xang Azu
WinRAR, who ranks ahead of the piracy rate in China, has released a free decompression tool to support RAR, ZIP, TAR, GZ, BZ2, XZ, 7z, ISO, ARJ formats.
RAR for Android also support
Android development will bring about a new wave of popularity. Many developers have invested in this wave and created many excellent applications. Many developers provide open-source applications and contribute their wisdom and creativity. Learning open source code is the best way to master the technology. Several open-source application projects are recommended below. These projects not only provide excellent ideas, but can also be directly mastered.
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