Apache’s mod_expires module allows settings by file type to control how long browsers cache files. This is useful for ensuring browsers cache image, Javascript and/or CSS files without making additional unecessary requests when loading pages. Making sure mod_expires is enabled mod_expires may not be enabled by default in your Apache install. On a Debian based system (e.g. […]
Make sure a page is never cached with PHP To make sure the page is never cached (or whatever other dynamic content generated from PHP such as images, RSS files etc) add the following to the start of your script:
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$ts = gmdate("D, d M Y H:i:s") . " GMT"; header("Expires: $ts"); header("Last-Modified: $ts"); header("Pragma: no-cache"); header("Cache-Control: no-cache, must-revalidate"); |
To set the amount of time to cache If instead you want the output […]
If you are looking for delete cache of your own application then simply delete your cache directory and its all done !
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public static void deleteCache(Context context) { try { File dir = context.getCacheDir(); deleteDir(dir); } catch (Exception e) {} } public static boolean deleteDir(File dir) { if (dir != null && dir.isDirectory()) { String[] children = dir.list(); for (int i = 0; i < children.length; i++) { boolean success = deleteDir(new File(dir, children[i])); if (!success) { return false; } } return dir.delete(); } else if(dir!= null && dir.isFile()) { return dir.delete(); } else { return false; } } |
And you may require following permission to add in your manifest file in order to delete cache of other application
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<uses-permission android:name="android.permission.CLEAR_APP_CACHE"/> |
There are a lot of projects on GitHub Picasso Universal Image Loader Glide Android Image Manager Android Image Worker (this one is my own “bicycle”, more for fun not for production use)