how to recover cache files on android

Imageloader is a picture cache of open Source Library, provides a powerful image caching mechanism, many developers are using, today to introduce the Android development of the Imageloader local cache, the details are as follows: Local caching provides two ways to modify file names when caching files, each of which co

updating the UI thread through handler message.Use asynctask provided in Android. The specific method is not described here. You can check the API, or Google or Baidu. The local cache is used here. Local cache:For image resources, you cannot allow applications to download images remotely every time they obtain them. This wastes resources, however, you cannot place all image resources in the memory (althoug

Android data cache-file storage During Android APP development, we usually add cache modules. Cache stores some APP data locally. Most of the data requested by the network is stored locally, so that the cached data can be directly used within the

Clear cache data for large applications 1. By clearing the cached files of the program, the released memory space will surprise you 2. Choose Settings> Applications> Manage applications. 3. Press the Menu key and select the "sort by size" option (for Android 2.2, select the downloaded tag first ), then, you can sort the applications installed on all mobile phones

Original Http://write.blog.csdn.net/postedit?ref=toolbarProject Description:One of the biggest headaches on Android is getting pictures, displays, and recycling from the web, and it's possible that the project can help you with any problem. Universal Image Loader for Android is designed to enable asynchronous loading, caching and display of Web images, and supports multi-threaded asynchronous load. It was o

Last modification time of the file Java code: /** * Last modification time of the file * @ Param dir * @ Param fileName */ Private void updateFileTime (String dir, String fileName ){ File file = new File (dir, fileName ); Long newModifiedTime = System. currentTimeMillis (); File. setLastModified (newModifiedTime ); } Copy code Local Cache Optimization Java code: /** * Calculate the file size in the storage directory. When the total file

Android batch image loading classic series-using xutil framework cache and asynchronously loading network images I. Problem Description To improve image loading efficiency, cache and asynchronous loading policies are required for images. The encoding is relatively complex. In fact, some excellent frameworks provide solutions, for example, the recen

1. Introduction Currently, images are inevitably used in android applications. Some images can be changed and need to be pulled from the network at each startup, there are many such scenarios in advertising spaces and pure image applications (such as Baidu meipai. Now there is a problem: If you pull images from the network every time you start, it will inevitably consume a lot of traffic. In the current situation, for non-wifi users, the traffic is

(Environment.getexternalstoragestate (). Equals (environment.media_mounted)) {cacheSize + = GetFolder Size (Context.getexternalcachedir ()); } return Getformatsize (cacheSize); }//get File//context.getexternalfilesdir ()-sdcard/android/data/your app's package name/files/folder, generally put some long-time saved data//context.g Etexternalcachedir ()-sdcard/an