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
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
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
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
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
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
Old Deng's android Study Notes (2)-Android gets screen resolutions in N ways, android-android
Android gets the screen resolution
Method 1: the simplest method
12
intscreenWidth=getWindowManager().getDefaultDisplay().getWidth();intscreenHeight=getWindowManager().g
Requirement Description: Android developmentContent: Environment building for Android developmentFrom: The time of the poemOriginal: http://www.cnblogs.com/zoupeiyang/p/4034517.htmlReference: http://jingyan.baidu.com/article/bea41d437a41b6b4c51be6c1.htmlIntroductionInstalling Android in Windows Development environment is not simple or complicated, this article fo
The Audiomanager class is located on Android. Media package, this class provides access to control volume and sound mode operation
The following are the Audiomanager ways to set the sound mode and adjust the sound size.
How to get the Sound manager:
The code is as follows
Copy Code
Audiomanager Audiomanager = (audiomanager) getsystemservice (Audio_service);
The Main method inside:
A, set the sound mode
Introduction to Android Development (20) content provider 20.3 predefined query characters
Introduction to Android Development (20) content provider 20.2 ContentProvider use
Getting Started with Android development (20) content provider 20.1 data sharing
Getting Started with Android development (19) database 19.3 pr
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