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
[1] Android learning notes [the first android program], Android android
1. java JDK configure java System Variables
Java JDK
Please install it on Baidu
Configure java System Variables
1. Open my computer -- properties -- Advanced -- Environment Variables
2. Create System variables JAVA_HOME and CLASSPATH
Variable name
Android-the first Android program, android-android
Directory structure and functions of Android Projects
Directory
Function
Gen
Do not modify automatically generated files
Assets
Resources needed for custom projects, which canno
Android [android] edition Air Video remote playback of computer videos, Android android
In Apple's iOS, there is an application of Air Video, which can remotely play videos in the computer on iOS through Wifi without copying the Video to the mobile phone. Very easy to use! I recently used my
Android Android-android Application Structure Analysis (4), android Application Development
Description of the automatically generated R. java File
1 public final class R { 2 public static final class attr { 3 } 4 public static final class dimen { 5 /** Default screen margins, per the
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
)
2
Onmeasure
Measure the size of the view (don't care for the moment)
3
Onsizechanged
Determine the view size (record the width of the current view)
4
Nlayout
Determine the child view layout (No child view, no care)
5
OnDraw
Actually draw the content (draw a pie chart)
6
Provide interface
Provides an interface (provides an interface for setting data)
The code is as follows:
public
A related download
(1) Java JDK Download:
Enter the page: http://java.sun.com/javase/downloads/index.jsp (or click to download directly) as follows:
Select the Download jdk to download only the JDK, without downloading the JRE.
(2) Eclipse download
Enter the page: http://www.eclipse.org/downloads/(or click Download: bt download http download) as shown below:
We chose the first (that is, the Eclipse IDE for Java EE developers)
(3) Download the Andr
I. Differences between Android: gravity and Android: layout_gravity
Android; gravity is the position of its content relative to its own control, while Android: layout_gravity is its position relative to its parent class.
For example, if there is an edittext file, one sets Android
Android app source code is based on android's campus second-hand Transaction System Client + SERVER + database, Android android
The source code is a campus second-hand transaction system application with a server, and is also a campus second-hand Transaction System Based on Android and javaweb, including
Welcome to Android Studio (Meet Android Studio) 1, prefaceAndroid Studio is an Android application development environment based on IntelliJ idea under the official whole. Based on IntelliJ's powerful code editor and development tools, Android Studio offers more features to increase your efficiency in developing
Android android source code case when adding the volume plus/minus button in the navigation bar, Android android
Some Android devices do not have a volume adjustment button for the entity, or you need to add a volume addition or subtraction button to the virtual buttons in t
Android android APK decompilation reverse, Android android apk
The reverse of the android APK program is much easier than that of the WindowsPE file.1. the android APK program is actually a zip file that can be opened with winrar
Today, I saw an iOS written by the Turing machine people, directly to the official website (http://www.tuling123.com/openapi/) looked at the API access, too simple, just a GET request ~ So, wrote an android version of the robot, no technical content, But it is very fun ~ just last night to see their favorite Qin when the moon, hey, little Pixiu, is my robot pet! ~
This is an Android intelligent chat robot
Tags: github tle window remove line MoS CEP Pass source
3.1 Android Control architecture
Measurement of 3.2 view
Drawing of 3.3 view
Measurement of 3.4 ViewGroup
Drawing of 3.5 ViewGroup
3.6 Customizing View
3.6.1 to expand the existing space
3.6.2 Creating a composite control
3.6.3 rewrite view to achieve new space
3.7 Custom ViewGroup
3.8 event interception mechanis
QR code synthesis, Apple and android (ios and android) are combined into a QR code, allowing users to scan a QR code to download apple and android apps separately. android QR code scanning
Because of the company's promotion, there is no suitable tool to synthesize a QR code from Apple and
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
Step by step, develop the first Android project as shown in the figure below and run the Android-Android development example tutorial 2 and the first android program.1. generate an Android Application Project
1.run eclipse.exe
2. See
3. Enter the interface
4. Enter the app
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