Java tutorial
//package com.java2s; import android.annotation.TargetApi; import android.os.Build; import android.os.Environment; public class Main { /** * Check if external storage is built-in or removable. * * @return True if external storage is removable (like an SD card), false * otherwise. */ @TargetApi(Build.VERSION_CODES.GINGERBREAD) private static boolean isExternalStorageRemovable() { if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.GINGERBREAD) { return Environment.isExternalStorageRemovable(); } return true; } }