. 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
Since SDK 1.5, Android has enabled its IMFInput Method Framework. This allows us to develop our own input methods. The best reference for the development input method is the Sample-SoftKeyboard provided by Android. Although this example only contains English and numbers, it is still complete and clear, it is of great help for us to start Android development.
I,IM
Author: Zambia chicks
Since its launch, Android has been favored and sought after by developers as an open source. Developers of most Android applications will refer to Dev guide. If you want to gain an in-depth understanding of Android, you must refer to the underlying source code to make it more straightforward.The Androi
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
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
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
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
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
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
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
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
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
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
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
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