Alibabacloud.com offers a wide variety of articles about android getapplicationcontext, easily find your android getapplicationcontext information here online.
WiFi P2P in Android
WiFi P2P in Android allows devices in a certain range to directly connect to IOT platform through Wifi instead of through hot spots or the Internet.
Need to use WiFi P2PAndroid API Level> = 14And do not forget to add the following five permissions to the Manifest file:
● Android. permission. ACCESS_WIFI_STATE
●
1. What is volleyWe usually need network technology when we develop Android apps, and in most cases the HTTP protocol is used by applications to send and receive network data. The Android system provides two main ways to do HTTP communications, HttpURLConnection and HttpClient, which we can see in almost any project's code, with very high usage rates.
However, the use of httpurlconnection and httpclient is
Review
For the MVP (Model View presenter) architecture evolved from the famous MVC (Model View Controller) architecture. And the development of Android applications can be seen as an MVC architecture. XML files are typically considered as view roles in MVC in development, while activity is considered the controller role in MVC. But more often than not, activity in actual application development can not act as a controller, but a combination of contro
Most of the Code is the same as that of a music player.Put the video file in the sdcard and enter the file name in the input box.Use android2.0 to run the simulator. It is said that the simulator of other versions is used.Video Playback is not supported. If any error occurs, please noteThe java code is as follows:Package cn. mrzhu;Import java. io. File;Import android. app. Activity;Import android. media. Me
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
Android app source code is based on android's campus second-hand Transaction System Client + SERVER + database, Android android
The source code is a campus second-hand transaction system application with a server, and is also a campus second-hand Transaction System Based on Android and javaweb, including
Prompt dialog box in android ---- AlertDialog, android prompt
AlertDialog (dialog box)
I. Basic Procedure of using the dialog box
Step 1: Create AlertDialog. Buider;
Step 2: Call setIcon () to set the icon, setTitle () or setCustomerTitle to set the title
Step 3: Set the content of the dialog box, setMessage (), and other methods;
Step 4: setPosition/Negative/NaturalButton settings: OK, cancel, and neutral
Compared with iOS development and Windows Phone development, Android is open, and Android development is more flexible and can do a lot of things. Some may find that after some Android applications are installed and run for the first time, a shortcut will be created on the desktop. How is this done?
Otherwise, Android
Android uses HTTP network communication to achieve interaction with PHP (3). android Network Communication
Android and PHP interactions are implemented through Http network programming. php is used to access the database, operate data in the database, and php is used as an interface to connect Android to the database.
Android-Universal-Image-Loader for asynchronous loading of Android Images,
I haven't updated my blog for nearly a month. Due to the troubles in preparing my graduation thesis and other affairs over this period of time, I have never had time and energy to study and sort out some things. I just got back to the right track recently. I just read the open-source project about asynchronous image loading on
The path to Android development and learning-sensor experience
There are still many sensors, such as acceleration, light, and magnetic sensors. Of course, android phones are called smartphones, and these sensors are indispensable. Next I will learn about light, acceleration, and magnetism.
Create an emSensorStudy project. The layout is as follows:
Add the LightSensor, AccelerSensor, and MagnetiSensor Activi
Explanation of Android Application Context and source code analysis
1. Background
Today, I suddenly remembered that when I was in my previous company (for TV and BOX boxes), several people asked me what the Android Context was, so I am about to give birth to this article. We are always using Context when developing an App (not to mention that you have never used Context when accessing resources of the curr
For the development platform, if the data storage has good support, then the development of the application will have a great role in promoting.
In general, there are three ways to store data: One is a file, one is a database, and the other is a network. Where files and databases may be used a little more, the file is easy to use, the program can define its own format; The database used a bit annoying lock some, but it has its advantages, such as in the massive data performance is superior, the
Frame Android Studio Downloads installation and configuration development environment tutorialHttp://www.111cn.net/sj/android/74261.htm
Win7x64 Android Stuido installation and building development environment problem solvingHttp://www.111cn.net/sj/android/74265.htm
Mac Download install
Welcome to Android Studio (Meet Android Studio) 1, prefaceAndroid Studio is an Android application development environment based on IntelliJ idea under the official whole. Based on IntelliJ's powerful code editor and development tools, Android Studio offers more features to increase your efficiency in developing
Summary of commonly used dialogs in Android
Record frequently used dialog boxes for future reference.
Layout File
Code Implementation
Package com. wzw. dialog; import android. app. activity; import android. app. alertDialog; import android. app. alertDialog. b
of Windows, in the Apache Conf folder found Mime.types files, opened after the end of the file plus "text/cache-The manifest can support the offline application of HTML5 through the above setup webview. Appendix 1 says that the buffer directory should be Getapplicationcontext (). Getcachedir (). GetAbsolutePath (); But I've been experimenting and found that setting that directory doesn't work, maybe it's different from
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
The content source of this page is from Internet, which doesn't represent Alibaba Cloud's opinion;
products and services mentioned on that page don't have any relationship with Alibaba Cloud. If the
content of the page makes you feel confusing, please write us an email, we will handle the problem
within 5 days after receiving your email.
If you find any instances of plagiarism from the community, please send an email to:
info-contact@alibabacloud.com
and provide relevant evidence. A staff member will contact you within 5 working days.