public void zapisz(View view){
        String dane= String.valueOf(((EditText)findViewById(R.id.editText)).getText());

        try {
            FileOutputStream fOut = openFileOutput("file",MODE_WORLD_READABLE);
            fOut.write(dane.getBytes());
            fOut.close();
            Toast.makeText(getApplicationContext(),"UDALO SIE",Toast.LENGTH_SHORT).show();
        } catch (FileNotFoundException e) {
            e.printStackTrace();
        } catch (IOException e) {
            e.printStackTrace();
        }

    }
    public void wczytaj(View view){
        try{
        FileInputStream fin = openFileInput("file");
        int c;
        String temp="";
        while( (c = fin.read()) != -1){
            temp = temp + Character.toString((char)c);
        }
        fin.close();
            ((TextView)findViewById(R.id.loaded)).setText(temp);
            Toast.makeText(getApplicationContext(),"UDALO SIE",Toast.LENGTH_SHORT).show();
        }catch(Exception e) {}
        }