Tools - Read Resources

java.io.InputStream ins = getResources().openRawResource(R.drawable.file);

StringBuilder text = new StringBuilder();
try {
    java.io.BufferedReader br = new java.io.BufferedReader(new java.io.InputStreamReader(ins));
    String line;
    while ((line = br.readLine()) != null) {
        text.append(line);
        text.append('n');
    }
    br.close();
}
catch (java.io.IOException e) {
}
EditText tv = (EditText)findViewById(R.id.edittext1);
tv.setText(text.toString());