android programming codes

This article illustrates the dynamic loading layout of Android programming. Share to everyone for your reference, specific as follows: Since the previous time the project needs to be loaded on one page depending on the different buttons loaded on different layout pages, then think of using Tabhot. However, the graphic provided by the art of the interface is completely tabhot, so think of the dynamic loadin

This example describes the HTTP service usage in Android programming. Share to everyone for your reference, specific as follows: In Android, in addition to using the API under the Java.net package to access the HTTP service, we can do the job in a different way. The Android SDK comes with Apache's httpclient API. The

The example in this article describes how Android programming simulates the Home key feature. Share to everyone for your reference, specific as follows: Do a similar to QQ press the return key does not destroy the activity method (that is, do not call Activity.finish (), the system does not call OnDestroy), but is similar to pressing the home key, let the activity resemble "pause" (that is, call only OnPau

The example in this article describes the method of Android programming to extract URL links. Share to everyone for your reference, specific as follows: import Java.io.BufferedReader; Import java.io.IOException; Import Java.io.InputStream; Import Java.io.InputStreamReader; Import Java.net.URL; Import Java.util.regex.Matcher; Import Java.util.regex.Pattern; public class URLReader1 {public stat

This article describes the Android programming implementation of the control of different state text display different colors of the method. Share to everyone for your reference, specific as follows: Mode one : The first control to select Style is a custom style, and the corresponding XML file is as follows: The Textcolor_yellow_selector in TextColor is as follows

This article illustrates the method of acquiring SD card path and remaining capacity by Android programming. Share to everyone for your reference, specific as follows: public static string Getexternalstoragepath () { //Get SDcard status string state = Android.os.Environment.getExternalStorageState (); To determine if sdcard exists and is available if (android.os.Environment.MEDIA_MOUNTED.equals

An example of this article describes the implementation of the slide effect of Android programming. Share to everyone for your reference, specific as follows: The previous introduction of the use of "Android programming 3D sliding rotation effect of the method", now introduce the image of the implementation of reflect

Android 4 advanced programming (version 3rd)Basic InformationOriginal Title: Professional Android 4 Application DevelopmentAuthor: (English) Reto MeierTranslator: Yan Jianwei Zhao KaiSeries name: mobile development classic seriesPress: Tsinghua University Press ISBN: 9787302315582 Release Date: April 2013 publication date: Open Book: 16 open page: 1 release: 3-1

This article illustrates the simple learning example of Android programming view. Share to everyone for your reference, specific as follows: View, which is a superclass of Android, contains almost all of the screen types. Each view has a canvas for drawing, and the canvas can be arbitrarily extended. The view is customizable in the middle of the game developmen

This example describes the Surfaceview usage of Android programming. Share to everyone for your reference, specific as follows: Related knowledge about Surfaceview: The main differences between view and Surfaceview : 1. View can only be refreshed in the UI thread, while Surfaceview may be refreshed in child threads 2. Surfaceview can control the refresh frequency Surfaceview Several important methods :

Getting started with Android 4 ProgrammingBasic InformationOriginal Title: Beginning Android 4 pplication DevelopmentAuthor: (beauty) Li weimeng [Translator's introduction]Press: Tsinghua University PressISBN: 9787302301516Mounting time:Published on: February 1, November 2012Start: 16Page number: 1Version: 1-1Category: Computer> Software and programming> mobile d

This article analyzes four kinds of activity loading modes of Android programming. Share to everyone for your reference, specific as follows: Activity status Activity is generally considered to have the following four states: ① Activities : When an activity is on top of the stack, it is visible, focused, and acceptable to user input. Android tries to maintain

This example describes the Android programming settings TextView color SetTextColor usage. Share to everyone for your reference, specific as follows: There are methods for setting TextView colors in Android SetTextColor, this method is overloaded and can be passed in two parameters. public void SetTextColor (int color) { Mtextcolor = colorstatelist.valu

This article illustrates the method of modifying number matching digits in Android programming. Share to everyone for your reference, specific as follows: The default number matching digits on the Android2.1 is 7 digits, that is to say from right to left, if two numbers have 7 digits are matched, then consider the same number, such as +86 1234567 and 01234567 are the same number; So to determine if two num

Android security encryption feature article index Android Secure encryption: Symmetric encryption Android Secure encryption: Asymmetric encryption Android Secure encryption: Message digest Digest Android Security Encryption: Digital signature

This article describes the Android programming interface to achieve Full-screen display method. Share to everyone for your reference, specific as follows: In the development of Android applications, we will encounter some of the interface to set up a full screen format, there are two ways to implement. One is implemented in Java code, and the other is implemente

This article describes 10 recommendations for the efficient development of apps in Android programming. Share to everyone for your reference, specific as follows: If you want Google Play to do a most failed case, the best secret is that the interface is incredibly slow, power consumption, memory consumption. Then you get negative comments from the user, and then your reputation stinks. Even if your applica

This example describes the activity usage of the four components of Android programming. Share to everyone for your reference, specific as follows: Here is a detailed description of how to create an activity, lifecycle, memory management, startup mode. Create an activity I. Defining activity 1. Define activity Definition class inheritance activity 2. Declare Explicit intent to create an activity thre

This paper analyzes the hidden display method of the soft keyboard of Android programming. Share to everyone for your reference, specific as follows: Android is a specially designed operating system for touch screens, and when you click on the edit box, the system automatically pops up a soft keyboard for the user to enter. Then, pop-up soft keyboard will inevi

This paper analyzes the MD5 encryption algorithm of Android programming. Share to everyone for your reference, specific as follows: Android MD5 encryption is exactly the same as the J2SE platform, because the Android platform supports the Java.security.MessageDigest package. is actually exactly the same as the J2SE pl