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
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
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
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 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.
[Android development experience] Use Android Studio for unit testing and android unit testing
Reprinted please indicate the source: http://blog.csdn.net/zhaokaiqiang1992
Android Studio has reached version 1.2, and developers in China are basically switching from Eclipse to Andr
Android configuration file (2) and android configuration file
We know that each module of the Android system provides very powerful functions (such as phones, power supplies, and settings). By using these functions, applications can be more powerful and flexible. However, using these functions is not unconditional, but requires some permissions. Next, we will beg
Free Library and tool set for Android development, android class libraryA set of free class libraries and tools for Android development, which are classified by directory. Action Bars
ActionBarSherlock
Extended ActionBar
FadingActionBar
GlassActionBar
V7 appcompat library
Advertisement
AdMob
Google Mobile Ads SDK
InMobi
MMedia
MobileCore
MoPub
Tapjo
Ym-Android bus summarizes nearly a hundred excellent open-source android projects.
1. sample projects provided by the Android teamIf you do not start by learning the sample code provided by the Android SDK, there may be no better way to master the development on the Android
Android. Permission. access_coarse_locationAllow a program to access cellid or WiFi hotspot to obtain rough location(Allows an application to access coarse (e.g., cell-ID, WiFi) location)
Android. Permission. access_fine_locationAllow a program to access excellent locations (such as GPS)(Allows an application to access fine (e.g., GPS) location)
Android. Permis
About Android ProjectsA project is a container for saving source code and resource files.The Android SDK tools provided by Google can only be compiled and packaged for projects with a fixed directory structure. It is therefore highly recommended to create an Android project using Eclipse + ADT or Android commands.You c
Android is a milestone in the development of embedded Linux. In recent years, there have been a large number of Embedded Linux applications, and some people have come to unify the world, give confidence and a success model. Android is a successful example of embedded Linux!
The open source code for Android is too helpful for studying all aspects of the embedded
My Android advanced tutorial ------) Create and view a custom Debug version Android signature certificate in Android
When Android Application Development accesses various sdks, it will find that many sdks need to be identified by the package name and the certificate fingerprint SHA1 code, such as the Baidu map SDK. In
ArticleDirectory
10th class: Gui core system update
11.1 system UI changes
11.2 desktop update
There are many Android versions. in the traditional sense, a large number of device manufacturers are mainly Android 2.2/2.3, but now they need to switch to Android 4. version X. X system vendors and developers focus on the following:
1. Core Tec
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
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