android programming basics

Interface Programming for Android applications (4) and Android Interface Programming Third group of UI components: ImageView and its subclass The main function is to display images. Any Drawable object can be displayed using ImageView. 1. image browser The image browser below can change the transparency of the image

. These tools get information from the project of the application under test and use this information to automatically creat E The build files, manifest file, and directory structure for the test package. The SDK's construction and testing tools are available in ADT for Eclipse, and are available in command-line mode in other Ides. These tools get information from project in the application under test and are automatically created with this information, build Files,manidest The directory st

TextView, EditText, and buttons have been learned, have you mastered them?------------------------------------------------Come here today, the next issue begins the UI component learning. If you have questions welcome message together to explore, also welcome to join the Android 0 Basic introductory Technology discussion group, grow together!Past period Summary share:Android 0 Basics Introduction 1th: Andr

-- Success is a person who can withstand loneliness. The following articles will describe the principles and terminologies of the android application, which may be boring. If you can calm down, I believe that success will belong to you. Introduction To prepare for the following examples, this article and the next few articles will introduce the principles and terminologies of Android applications. These are

Serializer.starttag (NULL, "date"); Serializer.text (Info.getdate () + ""); SeriaLizer.endtag (NULL, "date"); SMS node end serializer.endtag (null, "SMS"); }//SMSS root node end serializer.endtag (null, "SMSS"); XML end Serializer.enddocument (); Fos.close (); Toast.maketext (This, "Backup SMS Success", 0). Show (); } catch (Exception e) {e.printstacktrace (); Toast.maketext (This, "Backup SMS Failed", 0). Show (); }11. Using pull to p

information carried by the task and the handler that handles the task.1. Although the message has a public default constructor, you should use Message.obtain () to obtain an empty message object from the message pool to conserve resources.2. If your message only needs to carry simple int information, prioritize using MESSAGE.ARG1 and message.arg2 to pass information, which is more memory-saving than using bundles3. Use Message.what to identify information so that you can handle the message in d

/android_tutor/article/details/5740845Intent matching rules and parsing framework in depth analysishttp://blog.csdn.net/qinjuning/article/details/7384906Basic summary of the nine: intent application specific explanationhttp://blog.csdn.net/liuhe688/article/details/7162988Android Intent mechanism specific explanationhttp://blog.csdn.net/t12x3456/article/details/7688154Communication between Android threadsAndroid concurrent

) design pattern: Because in the framework layer of Android system, Using a lot of design patterns, without this knowledge, the understanding of Android will be greatly compromised. The type of design pattern is very many, one of all grasp, is unrealistic, must first grasp the object-oriented basic design principles, with these basic principles of support, you can extrapolate. This section can be found in "

Android Studio supports unit tests by default, as opposed to eclipse.Once you've created a new project, you'll find that you've created a Applicationtest class,Similarly, suppose you have implemented a compute percent function that requires testing, code:public class Progressservice {public Integer Getcurrentprogerss (double current, double max) { Integer i= (int) (( Current/max); return i; } } The steps are as follows:A

Android learning notes-Adapter basics, android-adapterThis section introduces Starting from this section, we will talk about the UI control that deals with the Adapter. It is very important to understand and learn how to use this Adapter. The Adapter is an intermediate bridge used to help fill data, to put it simply, various types of data are displayed on the vie

period Summary share:Android 0 Basics Introduction 1th: Android's past lifeAndroid 0 Basics Section 2nd: Android system Architecture and application components those thingsAndroid 0 Basics Section 3rd: Bring you up to talk about Android development environmentAndroid 0

IntroductionTo prepare for the following examples, this and the next few will describe the principles and terminology of Android applications, something that developers of Android must understand and understand deeply. The topics in this article are as follows: 1. Application Basics 2. Application Components 2.1. Activities (Activities)

20145311 experimental Four "Android Development Basics" programming process experiment content• Install Android Studio• Run the Android AVD simulator• Use Android to run out of the virtual phone and display HelloWorld and your own

/5740845Intent matching rules and parsing framework in depth analysishttp://blog.csdn.net/qinjuning/article/details/7384906Summary of the basic article IX: Intent application detailedhttp://blog.csdn.net/liuhe688/article/details/7162988Android Intent Mechanism detailedhttp://blog.csdn.net/t12x3456/article/details/7688154Communication between Android threadsAndroid concurrent programming-three basic ways to

Android basics-four writing methods for click events and four writing methods for android 1. Define the internal class to implement click events. When used, pass the internal class object to the setOnClickListener () method of the event source. Private class MyClickListener implements View. OnClickListener {@ Override public void onClick (View v) {// Function Co

TCP/IP basics for network programming I. ISO/OSI Reference Model 1. OSI (opensysteminterconnection) open system interconnection model is a network layered model defined by ISO (InternationalOrganizationforStandardization, A total of seven layers .... Network programming-TCP/IP basics I. ISO/OSI Reference Model 1. OSI (

(Android common UI programming) how to display rich texts in textviewHttp://www.apkbus.com/android-94717-1-1.html (Commonly used Android UI programming) The second set of textview displays emoticon images and textHttp://www.apkbus.com/