Android

Sort and share shortcuts for original mac AndroidStudio and help studio quickly organize code I have been using Android studio for six months. I have been switching from Windows to mac for a week. By checking some information and exploring for

Custom View in Android --- advanced (Canvas usage)I. Preface So today, let's take a look at an article on the UI in Android, how to customize the View advanced article, and a previous article on the prelude, in this article, I mainly introduced some

Andriod GridView does not change the background color to achieve grid line Effect Add a gridline to the GridView project, and the background of the GridView is a complete image ,: The common methods are as follows: Authorization +

Android development and learning path-Annotation simplifies the experience of the view control at the beginning Generally, when writing an android Activity, we always add the setContentView method to the onCreate method to load layout, and use

Android uses the AIDL mechanism to call remote services. androidaidl Server: // CalculateInterface. aidlpackage com. itheima. aidl. calculate; interface CalculateInterface {double doCalculate (double a, double B);} // CalculateService. javapackage

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

Android studio is the first project for OpenCV development. My day! After a long time, I finally successfully built the first project. Project Environment: Windows 7 Family Basic edition 64-bit Android studio 1.5.1 OpenCV-2.4.9-android-sdk   For

Pause and resume Activity Android and activityandroid Pause and resume an Activity (Pausing and Resuming an Activity) When used in a normal application, the foreground activity is sometimes blocked by other visualization components, resulting in the

How to Use JNI: How to Use JNI 1. in java, public native void + method name ("");2. Then load the required underlying so file system. loadLibrary ("so file name cannot be suffixed ")3. When you need to call the native method, you can call it as a

Android ViewPager sliding background gradient, androidviewpagerPrinciple The total layout is RelativeLayout or FrameLayout. Here we use RelativeLayout. First, set the background image. The width and height are both fill_parent. When setting

Scanned library application source code for android and scanned for android Books are the soul of mankind. Scanning books is an APP that lets you know how to select a book. Here you can scan the bar code to query books, You can also

Use of volley frameworkReasons for the basic use of the volley framework The Android system mainly provides two methods for HTTP Communication: HttpURLConnection and HttpClient. We can see these two classes in almost any project code, and the usage

Android downloads images from the Internet Package cn.com. hh. http; import java. io. IOException; import java. io. inputStream; import java.net. malformedURLException; import java.net. URL; import java.net. URLConnection; import android. graphics.

Android custom implement loop scroll wheel control WheelView First, submit Now the wheel layout is used in many places. For example, when choosing a birthday, the style is similar to the DatePickerDialog provided by the system, and there are many

Android FAQ highlightsAndroid FAQ highlights (Continuous updates) SVN: Commit failed (details follow): svn: xxx is scheduled for addition, but is missingDescription:After deleting the folder, Click commit to submit, but the following error is

Android event Distribution Among the four Android components (Activity, Service, BroadCast, and ContentProvider), Activity is the most commonly used. Because Activity is responsible for providing intuitive pages and responding to user operations. In

Android activity Startup Mode In addition to some information on the Internet, I summarized the four startup modes of activity. In actual projects, we should specify an appropriate startup mode for each activity based on specific needs. There are

Activity Four startup modes and activity Four modes Activity has four startup modes: 1. standard, default startup mode. If Activity is activated, a new instance is created and put into the task stack. In this way, multiple instances of one

Android View event distribution mechanism Recently, I encountered a view slide conflict during development. As I knew from the very beginning that this problem was related to view event distribution, after reading a few articles about event

Android Study Notes (34): Android menu Android menus are divided into three types: Option Menu, Context Menu, and Sub Menu ). Option Menu: Click the Menu button on the device to display the Menu. You cannot select a flag. Context Menu: a Menu that