java android write to sd card

You can access to sd card by File sdCard = Environment.getExternalStorageDirectory();
Note : Hard coding the /sdcard/ folder is not good.

Write to sd card

File sdCard = Environment.getExternalStorageDirectory();
File dir = new File (sdcard.getAbsolutePath() + "/dir1/dir2");
File file = new File(dir, "filename");
FileOutputStream f = new FileOutputStream(file);

And read/write to file   by using FileOutputStream f .

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