how to recover cache files on android

to solve Chinese path problem String filename = urlencoder.encode (URL, "Utf-8"); f = new File (mcachedir, filename); } catch (Unsupportedencodingexception e) {e.printstacktrace (); } return F; public void Clear () {///Clear Cache file file[] files = mcachedir.listfiles (); for (File f:files) F.delete ();}} 3. Write Asynchronous Load Component AsyncimageloaderAndroid uses a single-

Android Cache:The use of cache, can further greatly alleviate the pressure of data interaction, but also to provide a certain offline browsing. Let me briefly list the applicable environment for cache management:1. Application of network Services2. Data updates do not need to be updated in real time, and even a 3-5-minute delay can be implemented with a caching m

Android Cache:The use of cache, can further greatly alleviate the pressure of data interaction, but also to provide a certain offline browsing. Let me briefly list the applicable environment for cache management:1. Application of network Services2. Data updates do not need to be updated in real time, and even a 3-5-minute delay can be implemented with a caching m

[Android Studio] explores the cache mechanism of webView in depth, androidwebview Webview has been around recently. Android Developers may know that webView has its own caching mechanism. company needs to write its own caching mechanism instead of webView, wow, it's challenging. I wrote this blog to record my learning process. Not easy to write, Do not spray.Fir

Android cache cleanup function Application data clearing Manager DataCleanManager. java is extracted from the Internet, and the name is lost. Loading a webview to generate a cache. We all know that webview is one of the main reasons for caching. After loading the webview, click the button to query the cache and then c

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 IIS plus support apk download features, befor

, 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 download features, before the IIS default installation, II

background, all services related to the application will be killed after a clean-up (some services do some special processing and cannot be killed !!!). References What's the difference between clear cache clear data in android settings What data will be cleared by clearing data in Android system settings? One-click cleanup and memory cleanup functions of

time, expiration time and so on to the database, of course, I personally recommend the URL as a unique identifier. The next time you download the query from the database according to the URL, if the query to the current time has not expired, according to the path to read local files, so as to achieve the effect of caching.From the implementation we can see that this method can flexibly store the properties of the file, which provides a lot of extensi

Memory Cache optimized by Android memoryPreface: I introduced the memory cache in the previous article. The advantage of the memory cache is that it is fast, but it has the following Disadvantages: Small space, memory cache cannot be very large; When memory is insufficien

. 3. Clear cached AchE (boolean ). CacheManager. clear. In a later version, you must call the hidden API. 4. No system API support for controlling the size. Optional: regularly calculates the cache size and deletes the cache in chronological order. Ii. H5 cache 1. The Cache consists of

clear the SD card data, all to the write SD card authorization, we add the following authorization information in the Androidmanifest.xml fileThird, the Operation effectFour, warm tipsEveryone can go to link http://download.csdn.net/detail/l1028386804/8980767 download android clean SD card Cache database file, can go to link http://download.csdn.net/ detail/l1028386804/8980789 download

Objective:The memory cache is described in the previous article, and the advantage of memory caching is that it is fast, but it has drawbacks: Small space, memory cache can not be very large; may be cleared when memory is tight; When the application exits, it disappears and does not go offline; Based on the disadvantages above, sometimes another kind of

exists. If yes, load_default is used. If no network exists, load_cache_else_network is used. 3. Clear CacheSort AchE (Boolean ).Cachemanager. Clear. In a later version, you must call the hidden API. 4. Control the sizeNo system API support.Optional: regularly calculates the cache size and deletes the cache in chronological order. Ii. H5 Cache 1.

cached content 5. If there is a cache, the local cache is loaded first, and if it does not exist, the networking request is executed The second idea is what this blog is about to do offline reading through WebView's own caching function. Here's an example of a blog post where you can add code. Reference 1:http://www.open-open.com/lib/view/open1392188052301.html Reference 2:http://8742662

about here is the original reason, the cache is a lot of algorithms, and there are more than one level of cache, here is more than speak.Why use a cache? If you have a cache, you can save time and traffic by not having to read the files from the source address every time. I

What is a cache?The principle of caching technology is to treat all objects accessed by the user as a complete set, which is an algorithm that marks the objects that the user accesses frequently, and puts the objects into a set, which is a subset of the complete works. The next time the user accesses the object, it will first look up the subset of objects that the user wants to access, and then return to the object if they find it, and then find it in

Where is the best place for Android to cache data locally? I have not known the sdcard/android directory what role, I do the project inside the cache data to the local generally on the sdcard to build a file, and then put the data in this folder under the Sub-folder. A better workaround is described below. In the proce