How to Write Files to a Specific Directory on an Android SD Card?

Writing to a Specific Folder on an SD Card in Android

When using the code snippet provided to download and write a file to the root directory of the SD card, you may want to specify a specific folder to write the file to. This can be achieved by modifiying the code to create a directory and then write the file to that directory.

File sdCard = Environment.getExternalStorageDirectory();  // Get the SD card root directory
File dir = new File (sdCard.getAbsolutePath() + "/dir1/dir2");  // Create a directory with the desired path
dir.mkdirs();  // Create the directory if it doesn't exist
File file = new File(dir, "filename");  // Create a new file in the directory

FileOutputStream f = new FileOutputStream(file);  // Open the file for writing
...

With this modification, the file will be written to the specified folder instead of the root directory of the SD card.

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