What is a good way to get a list of files from (a directory on) the sd card?

Question

I\'m happy reading and writing to a pre-set file, and could manually populate a listview, but I\'m hoping there is an official(or not) filebrowser I missed, or other more el

Answer 1

Code : listing all the music files or documents files or videos files , images , in android from external storage to listView.

ArrayList<String> filenames;
ArrayAdapter<String> adapter;

// onCreate method

songlist =  findViewById(R.id.songlist);  //songlist is ListView widget
    filenames = new ArrayList<>();
    getMusic();         // music files funtions
    adapter=new ArrayAdapter<>(YourActivity.this, android.R.layout.simple_list_item_1, filenames);
    songlist.setAdapter(adapter);

// getMusic() is method for getting and filtering all music files from external storage

private void  getMusic() {

    File path = Environment.getExternalStorageDirectory();
    String filename ;
    Queue<File> files = new LinkedList<>();         //Linklist

    files.addAll(Arrays.asList(path.listFiles()));  //adding all files of path in linklist

    while (!files.isEmpty()){
        File file = files.remove();
        if (file.isDirectory()){
            files.addAll(Arrays.asList(file.listFiles()));


        }
        else if (file.getName().endsWith(".mp3")){   //filtering files
            filename = file.getName();               // according to their extension
            filenames.add(filename);              //filenames is string ListArray

        }
        else if (file.getName().endsWith(".ogg")){
            filename = file.getName();
            filenames.add(filename);
        }
        else if (file.getName().endsWith(".amr")){
            filename = file.getName();
            filenames.add(filename);
        }
        else if (file.getName().endsWith(".wav")){
            filename = file.getName();
            filenames.add(filename);
        }
        else if (file.getName().endsWith(".wma")){
            filename = file.getName();
            filenames.add(filename);
        }
        else if (file.getName().endsWith(".flac")){
            filename = file.getName();
            filenames.add(filename);
        }


    }


}

just change string values like (.mp3 , .wav) to .your_file_extension

Answer 2

final String state = Environment.getExternalStorageState();
if (Environment.MEDIA_MOUNTED.equals(state)) {
File[] files = Environment.getExternalStorageDirectory().listFiles();
} else {
...
}

Answer 3

File fileList = new File("/sdcard");
if (fileList != null){
    File[] filenames = fileList.listFiles();
        for (File tmpf : filenames){
            //Do something with the files
        }
    }
}

Is another method you can try