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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

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

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

1. Introduction of Android SimulatorAndroid provides a simulator to simulate arm-core mobile devices. The Android Simulator is based on QEMU, and Qemu is a well-known open-source virtual machine project (see http://bellard.org/qemu/), which provides a virtual arm mobile device. The Android emulator is named Goldfish to simulate an arm SoC that includes some of th

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

/"+ context.getpackagename () + "/shared_prefs"));} /** * Clear the application database by name * * @param context * @param dbname * *public static void Cleandatabasebyname (context context, String dbname) {Context.deletedatabase (dbname);} /** * Clear the content under/data/data/com.xxx.xxx/files * * @param context * *public static void Cleanfiles (context context) {Deletefilesbydirectory (Context.getfilesdir ());} /*** * Clear the external cache content (/mnt/sdcard/

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.

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

[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