Character count from a text file
<p>i am trying to count the number characters in a text file which i have retrieved the SD card need some advice here am new to android programming</p>

<p>using this code to retrieve the text file from the sd card</p>

<pre><code>        //Find the directory for the SD Card using the API
    //*Don't* hardcode "/sdcard"
    File sdcard = Environment.getExternalStorageDirectory();

    //Get the text file
    File file = new File(sdcard,"file.txt");

    //Read text from file
    StringBuilder text = new StringBuilder();

    try {
        BufferedReader br = new BufferedReader(new FileReader(file));
        String line;

        while ((line = br.readLine()) != null) {
            text.append(line);
            text.append('\n');
        }
    }
    catch (IOException e) {
        //You'll need to add proper error handling here
    }

    //Find the view by its id
    TextView tv = (TextView)findViewById(R.id.TextView01);

    //Set the text
    tv.setText(text);
</code></pre>
