android fileprovider external storage

in the mobile phone space, the general phone storage space is not very large, storage of small files is OK, if you want to store large files such as video, it is not feasible. For large files like video, we can store it in SDcard. What is sdcard for? You can think of it as a removable hard drive or USB stick.To use SDcard in the simulator, you need to first create a SDcard card (not really sdcard, just the

Android development and use of local memory, built-in memory cards and external memory cards ------------------------------------------ about android memory Introduction: android development often involves data caching, which requires us to understand the current memory usage of mobile phones, whether an

The Android file system is similar to other platform disk-based file systems, and this tutorial describes how to use file-related APIs to read and write on an Android file system.The file object is suitable for reading and writing a large amount of streaming data, a piece of file or other file network transmission.This tutorial will show you how to perform basic file operations in the app and assume that th

The Android system can get the path of the memory card through Environment.getexternalstoragedirectory (), but now there are a lot of phones built in a storage space, but also support the external SD card insertion, This through the Environment.getexternalstoragedirectory () method to obtain is the location of the internal memory card, the need to obtain the path

mount path for the USB device on the Android device. Different vendors have different Android device paths. This writing is also suitable for the SD card mount.File path = new file ("/storage/udisk"); Statfs stat = new Statfs (Path.getpath ());Long blockSize = Stat.getblocksize ();Long totalblocks = Stat.getblockcount ();Long availableblocks = Stat.getavaila

: Data cache: $cacheDir = $appDataDir/cache : Internal storage: Context.getCacheDir() When the body is out of memory, the file is deleted External storage:Context.getExternalCacheDir()External storage without real-time monitoring, when the space is low, the file will not be deleted in re

Reprint: http://mp.weixin.qq.com/s?__biz=MzIzMjE1Njg4Mw==mid=2650117688idx=1sn= D6c73f9f04d02ede7a741b45e801d74e#rdThis article will help you quickly learn about the various data storage mechanisms in Android and how to use them in order to create a "directory" in your mind. With this directory, the details of the use of the actual application to query the document can be obtained.0. OverviewAndroid provide

Android API Guides --- Data StorageData StorageStore application data in databases, files, or preferences, internal or removable storage. You can also add a data backup service to enable users to store and recover application and system data.Storage OptionsTrainingSynchronize to cloud This course covers different policies for the application of cloud computing functions. It covers synchronizing data and usi

Android Storage access and directoryExternal storage for AndroidAndroid supports external storage (case-insensitive filesystem with immutable POSIX permission classes and modes).External stora