In Android, the choice of storage methods are SharedPreferences, file storage, SQLite database mode, the content provider (content provider) and network, this is an example of file storage, it is suitable for beginners

FileRW\.classpath
......\.project
......\AndroidManifest.xml
......\bin\classes.dex
......\...\.om\changcheng\File\FileButtonOnClickEvent.class
......\...\...\..........\....\FileRW.class
......\...\...\..........\....\FileService.class
......\...\...\..........\....\R$attr.class
......\...\...\..........\....\R$drawable.class
......\...\...\..........\....\R$id.class
......\...\...\..........\....\R$layout.class
......\...\...\..........\....\R$string.class
......\...\...\..........\....\R.class
......\...\FileRW.apk
......\...\resources.ap_
......\default.properties
......\gen\com\changcheng\File\R.java
......\proguard.cfg
......\res\drawable-hdpi\icon.png
......\...\.........ldpi\icon.png
......\...\.........mdpi\icon.png
......\...\layout\main.xml
......\...\values\strings.xml
......\src\com\changcheng\File\FileButtonOnClickEvent.java
......\...\...\..........\....\FileRW.java
......\...\...\..........\....\FileService.java
......\bin\com\changcheng\File
......\gen\com\changcheng\File
......\src\com\changcheng\File
......\bin\com\changcheng
......\gen\com\changcheng
......\src\com\changcheng
......\bin\com
......\gen\com
......\res\drawable-hdpi
......\...\drawable-ldpi
......\...\drawable-mdpi
......\...\layout
......\...\values
......\src\com
......\assets
......\bin
......\gen
......\res
......\src
FileRW

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