Android read and write sdcard, select learning source code, a good reference.

android_sdcard
..............\.classpath
..............\.project
..............\AndroidManifest.xml
..............\assets
..............\bin
..............\...\AndroidManifest.xml
..............\...\android_sdcard.apk
..............\...\classes
..............\...\classes.dex
..............\...\.......\com
..............\...\.......\...\example
..............\...\.......\...\.......\android_sdcard
..............\...\.......\...\.......\..............\BuildConfig.class
..............\...\.......\...\.......\..............\FileService.class
..............\...\.......\...\.......\..............\MainActivity.class
..............\...\.......\...\.......\..............\MyTest.class
..............\...\.......\...\.......\..............\R$attr.class
..............\...\.......\...\.......\..............\R$drawable.class
..............\...\.......\...\.......\..............\R$id.class
..............\...\.......\...\.......\..............\R$layout.class
..............\...\.......\...\.......\..............\R$menu.class
..............\...\.......\...\.......\..............\R$string.class
..............\...\.......\...\.......\..............\R$style.class
..............\...\.......\...\.......\..............\R.class
..............\...\res
..............\...\resources.ap_
..............\...\...\drawable-hdpi
..............\...\...\.............\ic_action_search.png
..............\...\...\.............\ic_launcher.png
..............\...\...\drawable-ldpi
..............\...\...\.............\ic_launcher.png
..............\...\...\drawable-mdpi
..............\...\...\.............\ic_action_search.png
..............\...\...\.............\ic_launcher.png
..............\...\...\drawable-xhdpi
..............\...\...\..............\ic_action_search.png
..............\...\...\..............\ic_launcher.png
..............\gen
..............\...\com
..............\...\...\example
..............\...\...\.......\android_sdcard
..............\...\...\.......\..............\BuildConfig.java
..............\...\...\.......\..............\R.java
..............\ic_launcher-web.png
..............\libs
..............\....\android-support-v4.jar
..............\proguard-project.txt
..............\project.properties
..............\res
..............\...\drawable-hdpi
..............\...\.............\ic_action_search.png
..............\...\.............\ic_launcher.png
..............\...\drawable-ldpi
..............\...\.............\ic_launcher.png
..............\...\drawable-mdpi
..............\...\.............\ic_action_search.png
..............\...\.............\ic_launcher.png
..............\...\drawable-xhdpi
..............\...\..............\ic_action_search.png
..............\...\..............\ic_launcher.png
..............\...\layout
..............\...\......\activity_main.xml
..............\...\menu
..............\...\....\activity_main.xml
..............\...\values
..............\...\......\strings.xml
..............\...\......\styles.xml
..............\src
..............\...\com
..............\...\...\example
..............\...\...\.......\android_sdcard
..............\...\...\.......\..............\FileService.java
..............\...\...\.......\..............\MainActivity.java
..............\...\...\.......\..............\MyTest.java

• We are an exchange download platform that only provides communication channels. The downloaded content comes from the internet. Except for download issues, please Google on your own.
• The downloaded content is provided for members to upload. If it unintentionally infringes on your copyright, please contact us.
• Please use Winrar for decompression tools
• If download fail, Try it againg or Feedback to us.
• If downloaded content did not match the introduction, Feedback to us，Confirm and will be refund.
• Before downloading, you can inquire through the uploaded person information

Nothing．