clean device storage android

Each Android app has its own controllable directory.In Setting/application info, you can see each application with the clear data and clear cache options.Where are the specific directories?Connect the device with ADB. If you are connecting to a real device, you need to have root access to the device.CD Data/dataIn this directory, you can see that each application

In Android, we can put some data directly in the form of a file to be present in the device. For example: Some text files, PDF files, audio and video files and pictures. Android provides a way to read and write files.The standard Java file input stream (FileInputStream) is obtained through the Context.openfileinput () method, and the standard Java file output str

1. SharedPreferences is a lightweight storage class on the Android platform. It is mainly used to save some common configuration information. The following table lists the supported types. This method is the simplest method used in Android to read and write external data. It uses the Map data structure to store data, which can be easily read and written. Its usag