The source code of the Android example imitates the animation effects of android and Alibaba Cloud broadcast radar scanning.
This project is a small example of imitating the Android and cloud play radar scanning animation effects. Click the black circle in the middle to start scanning the animation, and click reset again, if you need this effect, you can downloa
= "0123456789abcdefghigklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ @."
Note the following when using the android: digits attribute:
Android: the digits attribute is hidden and cannot be found directly in the EditText visual attribute list. It can only be configured directly in the XML layout file. After this configuration is added to XML, it can be found in the visual attribute list of EditText.
The charact
Wang Wenjun, chief architect of Xiaomi technology miui, confirmed the topic of his speech: compilation, installation and operation of Android programs.
Lecturer profile: Wang Wenjun, Master of Science and Technology University of China, formerly IBM system engineer, is now the chief architect of Xiaomi technology miui and author of The Open Source C compiler project UCC.
Topic Introduction: compile, install, and run
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
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
Android development, permission acquisition, and android Development Permission
Turn: http://blog.csdn.net/yawinstake/article/details/6748897
Access registration attributes
Android. permission. ACCESS_CHECKIN_PROPERTIES, read or write the permission to register the check-in database Attribute Table
Get error location
Access registration attributes
Android. Permission. access_checkin_properties, read or write the permission to register the check-in database Attribute Table
Get error location
Android. Permission. access_coarse_location, which uses WIFI or mobile base stations to obtain the user's incorrect latitude and longitude information. The positioning accuracy is roughly 30 ~ 1500 meters
Get
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
consider Android's enterprise features until Android2.2 was released.Released December 7, 2010. This version starts with NFC support, Android 2.3Released February 2, 2011. "Hive" Android 3.0, designed for flat panel designReleased October 19, 2011 in Hong Kong. Android4.0Released June 28, 2012. Android4.1 is Google after the hive, a new tablet strategy attempt.
Released October 15, 2014, Lollipop (Lol
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
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
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