title: Save a file to the SD-card
body: <p>.txt file need save in SD-card.</p>
  
  <pre><code>Save("n" + String.valueOf(key) + ".txt");
  
   private void Save(String FileName){
           File fileName = null;
           String sdState = android.os.Environment.getExternalStorageState();
  
           if (sdState.equals(android.os.Environment.MEDIA_MOUNTED)) {
               File sdDir = android.os.Environment.getExternalStorageDirectory();
               fileName = new File(sdDir, "FlyNote/"+FileName);
               } else {
                   fileName = context.getCacheDir();
               }
           if (!fileName.exists())
               fileName.mkdirs();
           try {
               FileWriter f = new FileWriter(fileName);
               f.write(editText2.getText().toString());
               f.flush();
               f.close();
           } catch (Exception e) {
  
           }
       }
  </code></pre>
  
  <p>But in the SD-card file saves as a folder.
  Folder "n5.txt" and other...</p>