Android image download framework UniversialImageLoader memory cache extension (4)
The expansion of the memory cache is very important. Whether it is the data structure or the specific implementation, it is worth our taste. Let's taste the taste here.
The memory cache extension mainly involves the following types: FIFOL
Android image download framework UniversialImageLoader memory cache extension (4 ),
The expansion of the memory cache is very important. Whether it is the data structure or the specific implementation, it is worth our taste. Let's taste the taste here.
The memory cache extension mainly involves the following types: FIF
"; } } return extension; }
Truncate the last ., all files downloaded by Android in browser are placed in the download folder, and different types of files are intercepted before creating folders, such as MP3, APK, and so on. These files can all be folder names, then download the downloaded
) { Switch (scrollstate) {Before scrolling, the hand also records the subscript before scrolling on the screen.Case Onscrolllistener.scroll_state_touch_scroll:View.getlastvisibleposition () Gets the index of the first item visible on the current screen in the entire ListViewLvindext=view.getlastvisibleposition ();BreakScrolling stopCase Onscrolllistener.scroll_state_idle:Record the position of the current item after a scrolling stopint scrolled=view.getlastvisibleposition ();Scroll down after th
Generalized mobile phone system memory is divided into "mobile phone running Memory" and "mobile phone non-running memory." The "Running memory" of the phone is the ram of the phone, which is equivalent to the memory of the computer (or the memory bar), the "non-running memory" of the phone, the rom of the handset, the internal memory of the machine, the equivalent of the computer's hard disk. Mobile phone "running memory" big, mobile phone can run multiple programs, mobile phone "non-running me
First of all introduce Android using caching mechanism to implement file download
When downloading files or browsing files online, or in order to ensure the correctness of file downloads, you need to use the caching mechanism, often using softreference to implement.
The SoftReference feature is that an instance of it holds soft references to a Java object that does not prevent garbage collection threads f
Implementation principle
(1) First get the length of the download file, and then set the length of the local file.
(2) Calculate the data length and the download location of each thread according to the file length and number of threads.
For example: the length of the file is 6M, the number of threads is 3, then each thread download data length of 2M, each thr
Bmob back-end cloud, this is not what I said, it is very important in our Android development process. Specifically what services can be bmob the official website to inquireabout how to implement the method of SMS verification code, in fact, Bmob in the back end of the cloud has been introduced in detail. The main thing I'm here for is to share my experience.1. To implement SMS verification code, you must download
synchronized with the android-goldgish-2.6.27. We can use gitBranch to list all local branches.
4. Synchronize the version Library
Using the repo sync command, we synchronize the entire android code tree to the local device. Similarly, we can use
Repo sync project1 project2...
This command is used to synchronize several projects.
To synchronize a single project in Andr
The complete handout for Android/OPhone development has been published.
Purchase: China-pub)
Sample chapter download
The source code of this book is now fully open
Android-OPhone-src.zipAndroid/OPhone development handout source code
Downloads: 82 hours ago
DirectoryPrefaceChapter 2 Android Entry 11.1 Basic conce
APK downloader is a chrome extension that helps you download the Android Application APK file from Google Play (formerly Android Market) on your computer. @ Appinn
IvanStudentsThe Group Discussion Group recommends a method for downloading Android programs from Google Play on
, etc., so the web version is not enough, so the birth of this weird app.Good app put on the server, originally figure easy, apk files compressed into a ZIP package, to the customer download, the results ... No language is, a lot of customers have no decompression software on the phone, and will not download and install the decompression software, there is no way, just the IIS plus support apk
(length);
Raf.close ();
3. Calculates the starting and ending position of the download for each thread int blocksize = Length/threadcount;
Runningthreadcount = ThreadCount;
for (int threadId = 0; threadId
Finally, do not forget to add permissions, in this project not only use network access also use SDcard storage, so you need to add two permissions.
In addition, Xutils can also implement multithreaded downloads. Xutils is open
1. android file apk Download zip archive package SolutionIf your download server is an Nginx server, then in the Nginx installation directory of the Conf/mime.types file corresponding location, plus the following line of statements, the specified APK file MIME type is application/ Vnd.android.package-archive can:[HTML]View Plaincopy
Application/vnd.andro
information provided on the server, so the light web version is not enough, so the birth of this strange app.Good app put on the server, originally figure easy, apk files compressed into Zip package, to customers download, results ... No language is, a lot of customers have no decompression software on the phone, but also do not download and install the decompression software, there is no way, have to put
Recently, the integration of real-time chat in the project, pick and choose, the final choice of the Ring Letter SDK for development, the main reason to choose the ring letter is the interface is convenient, concise, explain the document clear and understandable. The documentation has Android, IOS, and backend server, or it's very full.
Ring Letter Official Website: http://www.easemob.com/
The purpose of this article is to explain how the ring lette
encapsulate http data requests and supports asynchronous and synchronous loading.
Cache module: cache can be well implemented through simple configuration and design, and cache can be freely configured
Image cache module: when loading images in imageview, you do not need to consider the oom and android container image misplacement during image loading.
Configurator module: You can perform simple pairing configuration operations. Currently, the config
Put the android Client installation package (.apk) on the website for users to download, click the link, and the browser will see the error that cannot find the page.
Solution:
Open IIS and add a MIME type to the website:
Fill in the extension name "pai.apk", and fill in the apk mime type "application/vnd. Android
in the soft reference by the key.Finally, let's take a look at the cache class Limitedmemorycache of the finite memory cache space, which is a further extension of the Basememorycache from the inheritance relationship.From the variable point of view:private static final int max_normal_cache_size_in_mb = 16;private static final int max_normal_cache_size = Max_normal_cach E_SIZE_IN_MB * 1024x768 * 1024;private final int sizelimit;private final Atomicin
The content source of this page is from Internet, which doesn't represent Alibaba Cloud's opinion;
products and services mentioned on that page don't have any relationship with Alibaba Cloud. If the
content of the page makes you feel confusing, please write us an email, we will handle the problem
within 5 days after receiving your email.
If you find any instances of plagiarism from the community, please send an email to:
info-contact@alibabacloud.com
and provide relevant evidence. A staff member will contact you within 5 working days.