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
Revealing the layout of Android and revealing the secrets of androidPreface
Today, I will write down some understanding of the layout. The main content includes the inheritance relationship between the control attributes, the relationship between the control attributes and the container attributes, and the use of various types of attributes.Property type of the control
Generally speaking, when assigning values to attributes of a control, there are gen
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
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
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
The Android client is implemented in the following ways:1, first scan all the PC in the LAN to see if there is a PC-side server running and listening to 30000 ports.2. If the server that is not scanned to the PC side is running and listening on port 30000, rescan or exit. 3, scan to the pc side of the server running and monitoring 30000 ports, then control the PC end shutdown, restart or cancel shutdown. 4, click the Shutdown button, send instruction
[Android learning] android self-study: 001, Android androidAndroid-why do I need to learn about the operating system of the most popular handheld devices?
I studied Java web development at school. After graduation, I came to a game company to develop unity 3D and cocos 2d. In the company, I am waiting for nothing, so I don't need to do anything. I occasionally h
Android development implementation calculator example, android calculator example
Example
The Code is as follows:Android: id = "@ + id/warpcontent"Android: layout_width = "fill_parent"Android: layout_height = "fill_parent"Android: orientation = "vertical">
First, build the Android development environment
Preparation: Download Eclipse, JDK, Android SDK, ADT Plugin
1. Install and configure the Java Development environment:
① installs the prepared Eclipse and JDK on this machine (preferably installed in a full English path) and configures environment variables for JDK, where the JDK's variable value is the root directory of the JDK installation path, as my: D
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
Hello everyone, this section is to share some of the Android image special effects processing tips, such as rounded corners, reflection, there is a picture scaling, drawable into bitmap,bitmap into drawable and so on.
Talk less, directly to explain today's example, this example is mainly to get wallpaper (Getwallpaper ()), and then some of the current wallpaper effects processing. Step by step:
The first step: a new
can be the interception of the image first compression, after all, the late still need to blur, that is, this image is compressed does not affect the fact that we are blurred (because to the end is blurred). In fact, when we compress the image, we find that the blur effect of the picture is different under the same blur radius, as shown in the following two figure:
The reason is: Gaussian fuzzy algorithm to determine the color of a point is through the point near the other points to obtain t
. This is a security mechanism. For Android, the final apk file contains the Dex type of file, Dex file is the class file repackaging, packaging rules are not simply compressed, but the class file inside the various function tables, variable table optimization, resulting in a new file, that is, Dex file. So loading this special class file requires a special ClassLoader dexclassloader.
Ii. the practical application of the Dexclassloader method
Suppos
Android app source code is based on android's personal privacy monitoring project, Android android
The system draws on the advantages of existing security software and designs four functional modules: permission access monitoring, traffic monitoring, application risk monitoring, and signature verification. It also addresses the shortcomings of existing
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