how to clear internal storage on android

" //Set Delete button icon sizeapp:keypadshowdeletebutton="false" //Set whether the Delete button is displayed, not displayed by defaultApp:keypaddeletebuttonpressedcolor="#C8C8C8" //Change the On/focus state color of the Delete buttonApp:dotemptybackground="@drawable/empty" //The empty state of the custom pointApp:dotfilledbackground"@drawable/filled" //Custom point fill statusApp:dotdiameter="12DP"

How do you get rid of images loaded in Android apps and some data caches? Recently in the project encountered this problem, search the Internet to find a lot of source code, the synthesis of these sources, the following to tell us how to effectively clear the application memory cache information? The purge application internal cache consists of the following maj

This article is mainly on the handler and message loop implementation of the principle of source analysis, if unfamiliar handler can see the blog "Detailed Android handler use method", It explains why Android introduced the handler mechanism and how to use handler. In general, Handler is a mechanism introduced in Android that allows developers to participate in

I came across a custom view in XML that was defined in the form of an inner class, resulting in some pits. Although by reading some of the predecessors wrote the article to solve the problem, but I see a few of them are not completely clear why, so decided to do this summary. Rules for using custom internal Class View This article is mainly to summarize why, so first of all in the XML layout file referenc

Android learning notes: internal storage of data; practice Data Reading and writing; storage to Cache for reading and writing; android learning notes (1) directory structure (2) Layout file: (3) tool class for saving and reading data: FileService. java Package com. example. data_storage_interal.file; import java. io. byteArrayOutputStream; import java. io.

, but Android programming can not, this 16GB is still external storage.All Android devices have external storage and internal storage, both of which are from the early devices of Android, where the device's internal storage is really fixed, and the external storage can be mo

"internal internal" and "external external" two parts, but in fact, are inside the phone. So regardless of whether Android phones have removable sdcard, they always have external storage and internal storage. Most crucially, we all use the same API to access removable sdcard or the storage that comes with the phone (e

; import java. math. bigDecimal; import android. content. context; import android. OS. environment; import android. text. textUtils;/***** the application data clearing manager */public class DataCleanManager {/***** clears the internal cache of the application (/data/com. xxx. xxx/cache) ***** @ param context */pub Li

[Android development experience] What Should cached files of an APP exist? After reading this article, you should be clear about it. androidapp Reprinted please indicate the source: http://blog.csdn.net/zhaokaiqiang1992 As long as it is an APP that requires online data retrieval, cache files will be generated locally, regardless of version update or image cache. So where are these cache files suitable? Does

same:Get the SD card root directory: Environment.getexternalstoragedirectory (). GetAbsolutePath ();External cache path:/mnt/sdcard/android/data/com.xxx.xxx/cache generally stores cached data (note: obtained via Getexternalcachedir ())External file path:/mnt/sdcard/android/data/com.xxx.xxx/files stores long-existing data (note: obtained by Getexternalfilesdir (String type), Type is specific and can be any

Android clear Local data cache code caseDirectly on the code:/* * FileName: datacleanmanager.java * Description Description: Main functions are to clear the internal/external cache, clear the database, Clear sharedpreference,

Android Architecture ... What is the clear way?ObjectiveWe know that it is complex and difficult to write quality software: It is not just about satisfying all the needs, but it should also be robust, maintainable, easy to test, and very flexible (flexible to change content, such as module addition and subtraction). A clear architecture (the clean Architecture) i

app_webIcons/1.txt/ Data/data/com.mx.browser # Touch App_appcache/1.txt/data/data/com.mx.browser # Touch app_databases/1.txt/data/data/ Com.mx.browser # Touch App_geolocation/1.txtPerforms cleanup data operations. View the results after performing the cleanup data operation./data/data/com.mx.browser # lslib/Data/data/com.mx.browser #View Lib Conditions/data/data/com.mx.browser # CD lib//data/data/com.mx.browser/lib # ls1.txt/data/data/com.mx.browser/lib #In general, the discovery of settings in

The Application Data Cleanup ManagerDatacleanmanager.java was picked from the internet, forgot his name.Load a webview generate cache well-known webview is one of the main reasons for generating cacheWebView After loading click the button query cache and then clear the cache then query the cache to see that the cache is actually clearedor WebView. Click button to query the cache after loading and then go to set the application to see if the program's

Android Thread management (III)-internal principle, sleep and awakening of Thread class, androidthread Thread communication, ActivityThread, and Thread classes are the key to understanding Android Thread management. As the basic unit of CPU scheduling resources, threads play a very important and fundamental role in Android