Today we are going to talk about the most commonly used technology in mobile field--two-dimensional code. Now the streets, major sites have two-dimensional code traces, whether it is iOS, Android, WP has related support software. Before I wanted to know how the two-dimensional code is working, recently because the work
define the attributes that need to be saved in MyApp, such as user name, user type.
In the activity, the Activity.getapplication () method is used to get the MyApp object (which requires casting) to manipulate its data.
Modify the Android:name property (android:name=) of the application node in the Androidmanifest.xml file. MyApp ").
code Example
Step One:
Copy Code
read the source code, to have a good reader, download the source code, etc.
Windows Reader: Source Insight
With the help of this tool, you can navigate a huge number of Android source code, you can easily nav
time, ultraedit can only be helpless or poor. Do you want to say that there are so many files to be managed? In fact, the simplest and most extensive Linux kernel is a typical example. The decompressed code is several hundred mb. What do you think? To be honest, when I first did not know the software, it was a directory, a file, and a file.
However, you need to know that you really need perseverance to flip through directories and files. Another is t
No more nonsense to say, first show you the custom view effect map, if you think it is good, please continue to read.
How, this kind of verification code is not very common, the following we do it ourselves to achieve this effect, do-it-yourself, ample, ha ~
First, customize the view steps
Custom view has always been considered an android step to the master of the way, in fact, custom view is very simp
Peeker
If you only want to use syntax highlighting, searching for clips, and quick solutions when reading the source Code, select Code Peeker! This is a small code reader that highlights your previous coding expertise to improve your current coding knowledge.
Https://play.google.com/store/apps/details? Id = twig. ngu
The examples in this article summarize the classic code snippets for Android programming. Share to everyone for your reference, specific as follows:
1, copy, paste
Clip = (Clipboardmanager) getsystemservice (context.clipboard_service);
Clip.settext ("copy"); Copy
clip.gettext ();//paste
2, call the browser
The core code is as follows:
Int
applications at any time, so they can only defend themselves against the threat posed by malicious code. This book will discuss all areas of the Android malicious Code Analysis Environment, analysis methods, prevention methods, and so on, reflecting all the latest information on deadlines, and trying to provide more information to beginners and administrators in
Today from the Internet to find an example of the realization of speech recognition, personal feeling quite fun, put the code posted to share with you under:
Android mainly through the recognizerintent to achieve speech recognition, in fact, the code is relatively simple, but if the settings can not be found, will throw an exception activitynotfoundexception, so
As shown in the preceding figure, in addition to excellent TCP/UDP support for the transport layer, Android also provides good support for HTTP (Hypertext Transfer Protocol, there are two interfaces:
1. standard Java interface (java.net) ---- HttpURLConnection, which can implement simple URL-based request and response functions;
2. Apache interface (org. appache. http) ---- HttpClient, which is more powerful in use. Generally, this interface is used.
The Android mobile phone operating system is flexible and simple, and is favored by programmers. In particular, its open source code allows us to easily obtain the functional requirements we want. Today, we have brought you some Android Image Browsing methods.This article is from: anzhuo flight network www.apk way.comOriginal article link:Http://www.apkway.com/fo
This article provides 2 pieces of Android code, the implementation of the download from the Android client zip file and implementation of the ZIP file decompression function, very practical, the need for Android developers can try.
Download:
Downloadertask.java
Copy Code
Android file operation-read assets and RAW file content
1. Create Assets folders and Res/raw folders individually: (Note that raw files are new in res and then create a folder with the name Raw)
2. Create two txt files and copy to asset and raw folders:
3. Effect of implementation:
4. Implementation code:
(1) Layout file:
(2) Specific implementation:
Package base.readassetsfi
This article is about the Android custom view of the random generation of image verification code, development, we will often need to generate a random image verification code, but this is second, the main still want to summarize some of the custom view development process and some need to pay attention to the place.
Take a look at the effect chart first:
Fir
. remoteException; import android. util. log; public class HelloService extends Service {private MyBinder binder = new MyBinder (); public class MyBinder extends Binder {public HelloService getService () {return HelloService. this; // returns the Service instance so that the main program can call this method} @ Overrideprotected boolean onTransact (int code, Parcel data, Parcel reply, int flags) throws Remo
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