android chronograph

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

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/

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

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 Wear] android wearable device Moto 360 evaluation and development analysis, Android androidPreface: I just bought Moto 360 yesterday. This is the best Android wearable device that the landlord has seen so far, a round watch: BesBuy and the official website are all sold out .. This is what I heard from the auth

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

[1] Android learning notes [the first android program], Android android 1. java JDK configure java System Variables Java JDK Please install it on Baidu Configure java System Variables 1. Open my computer -- properties -- Advanced -- Environment Variables 2. Create System variables JAVA_HOME and CLASSPATH Variable name

Android-the first Android program, android-android Directory structure and functions of Android Projects Directory Function Gen Do not modify automatically generated files Assets Resources needed for custom projects, which canno

Android [android] edition Air Video remote playback of computer videos, Android android In Apple's iOS, there is an application of Air Video, which can remotely play videos in the computer on iOS through Wifi without copying the Video to the mobile phone. Very easy to use! I recently used my

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

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

First, build the Android development environmentGetting ready: Download Eclipse, JDK, Android SDK, ADT Plugin: eclipse:http://www.eclipse.org/downloads/Jdk:http://www.oracle.com/technetwork/java/javase/downloads/jdk7u9-downloads-1859576.htmlAndroid sdk:http://developer.android.com/sdk/index.htmlAdt:http://developer.android.com/tools/sdk/eclipse-adt.html1. Install and configure the Java Development environme

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