example as usual. For convenience, I am saving the time to interact with the background. The steps are as follows:
Step 1: Create an android project named updatedemo. The code structure is shown in:
Step 2: Create an updatemanager. Java class to update the software module. The Code is as follows:
Package COM. tutor. update; import Java. io.
Android easily supports background building + APP version update, and androidapp
(This article describes how to update the APP version in Android. The source code is included at the end of this Article .)
After reading this article, you can learn:
1. Version update Method
The most important component services and activities of Android are the communication problems between them. Of course, today we will not study the underlying implementation issues. I will study how to use the upper-layer applications.
First, the activity calls the service
This is relatively basic, and there are two common methods;
First, using intent, this is relatively simple. You can specify the package name and class name to call it. The intent. s
Method One: (Java habits, not recommended in Android)Just beginning to touch Android threading programming, habits like Java, trying to solve the problem with the following codenew Thread ( new Runnable () {public void run () {Myview.invalidate ();}}). Start (); Functionality can be implemented to refresh the UI interface. This is not possible, however, because it violates the single-threaded model:
If all applications have version updates, how can they be updated? Today, we will introduce the entire process of automatic application updates.
The procedure for automatically updating a program is roughly as follows:
Program startup --> timely background check for updates ---> link remote server --> get new version information
--> Compare the current version --> if (updated) --> display the update prompt dialog box and display the updated content -
Android Studio installation Update Ultimate SolutionPreviously wrote a blog that the Android SDK could not be updated, in fact, the same way for Android studio, you can download the network sharing the small software, if the search to the channel after the prompt need to be more fine, you can also choose to
We know that the android program architecture is designed in accordance with the MVC pattern, and the display and logic operations are well separated. The XML file is used to add and layout views. The activity is used to display various views, while the Service implements to display data in the view according to certain logic. Based on this principle, when designing a program, we need to let them perform th
configure the VPN, but now want to find a fast and stable also free VPN is not easy, especially update the SDK to a few kb/s speed a file takes more than 400 minutes, so also give up the VPN.Another way is to use the HTTP protocol instead of the HTTPS protocol, because the HTTPS protocol is encrypted, the mainland because it can not be reviewed, directly sealed, and the HTTP protocol is filtering processin
Android EmulatorAndroid Emulator command line toolStarting with the Android SDK tools 25.3, the emulator file in the SDK Tools folder was transferred to a standalone emulator folder that was discarded and replaced by the Android AVD command used in the past. If you used a script f
The original content in the Hosts file is not modified, just add contentMethod/Step
First look at how to speed up the update, and how to update.First update the host file, open Directory C:\Windows\System32\drivers\etc, there is a hosts file in the directoryOpen using No
Let's take a look at the effect diagram you want to implement:
For Android users, the mobile app market is no exaggeration to say that it's flying, such as millet, the charm family, Baidu, 360, Jifeng, application treasure, etc., when we want to online a new version of the app, first do not say the channel packaging trouble, simply refers to upload app to the major application market workload is already very large, Finally we put the app all upload
First look at how to speed up the update, and how to update.First update the host file, open Directory C:\Windows\System32\drivers\etc, there is a hosts file in the directoryOpen using NotepadCopy the text into the Hosts file, save, note that the original
want to find a fast and stable also free VPN is not easy, especially update the SDK to a few kb/s speed a file takes more than 400 minutes, so also give up the VPN. Another way is to use the HTTP protocol instead of the HTTPS protocol, because the HTTPS protocol is encrypted, the mainland because it can not be reviewed, directly sealed, and the HTTP protocol is filtering processing, if you do not access th
Previously wrote a blog that the Android SDK could not be updated, in fact, the same way for Android studio, you can download the network sharing the small software, if the search to the channel after the prompt need to be more fine, you can also choose to update. Reference:http://blog.csdn.net/gao_chun/article/details/37971461mention some of the problems encount
Yesterday updated Android Studio packaging encountered two check box, and began to understand ...ProblemAt first the default is to tick V2 (full APK Signature), and then I'll pack to test first and find the installation failed. Later found to have a relationship with the signature.FoundAndroid 7.0 introduced apk Signature Scheme V2 (full apk Signature), V1 (Jar Signature) from the JDKDifference between the twoV1: Verify the contents of the uncompresse
through this method infinitely? In fact, the number of tile to be drawn on the screen only needs to be drawn within the display area of the screen, we do not need to consider drawing outside the actual area of the screen, just need to update the map coordinate data, for example, if the screen size of my simulator is 320X480, then the number of tile I actually drew is only 10X15 (blocks ). In fact, a more important rendering technology in Game Develop
Overview: Every Android application runs in a dalvik virtual machine process. When a process starts, a main thread (MainThread) is started. The main thread is responsible for processing ui-related events, therefore, the main thread is often called the UI thread. Because Android uses a single-threaded UI model, you can only operate the UI elements in the main thread. If you operate the UI directly in a non-U
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