Tutorial by Examples



By default, any files that you save to Internal Storage are private to your application. They cannot be accessed by other applications, nor the user under normal circumstances. These files are deleted when the user uninstalls the application. To Write Text to a File String fileName= "hellowor...
"External" Storage is another type of storage that we can use to save files to the user's device. It has some key differences from "Internal" Storage, namely: It is not always available. In the case of a removable medium (SD card), the user can simply remove the storage. It i...
Android developers(mainly beginners) have been confused regarding Internal & External storage terminology. There are lot of questions on Stackoverflow regarding the same. This is mainly because of the fact that terminology according to Google/official Android documentation is quite different to...
public static Boolean ExportDB(String DATABASE_NAME , String packageName , String folderName){ //DATABASE_NAME including ".db" at the end like "mayApp.db" String DBName = DATABASE_NAME.substring(0, DATABASE_NAME.length() - 3); File data = Environment.getDataDir...
First Add Storage permission to read/fetch device directory. <uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" /> <uses-permission android:name="android.permission.READ_EXTERNAL_STORAGE" /> Create model class //create one directory model ...

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