Java tutorial
//package com.java2s; import android.content.Context; import android.os.Environment; import android.text.TextUtils; import java.io.File; import java.io.IOException; import java.text.SimpleDateFormat; import java.util.Date; public class Main { public static final String AudioFolderName = "UDeskAudio"; public static File getAudioFile(Context context, String url) { String fileName = url.substring(url.lastIndexOf("/") + 1); String path = getOutputAudioPath(context, fileName); if (TextUtils.isEmpty(path)) { return null; } else { return new File(path); } } public static String getOutputAudioPath(Context context) { return getOutputAudioPath(context, "audio_" + new SimpleDateFormat("yyyyMMdd_HHmmss").format(new Date())); } public static String getOutputAudioPath(Context context, String mediaName) { File mediaStorageDir = new File(context.getExternalFilesDir(Environment.DIRECTORY_RINGTONES), AudioFolderName); if (!mediaStorageDir.exists()) { if (!mediaStorageDir.mkdirs()) { return null; } } File noMediaFile = new File(mediaStorageDir, ".nomedia"); if (!noMediaFile.exists()) { try { noMediaFile.createNewFile(); } catch (IOException e) { e.printStackTrace(); } } return mediaStorageDir.getPath() + File.separator + mediaName; } }