/**
* Formats an instruction string, updates it on the screen, and passes it to the parent activity
* to be spoken.
*
* @param resId The resource value of the instruction string.
* @param repeat Whether the instruction should be repeated indefinitely.
* @param formatArgs Optional formatting arguments.
* @see String#format(String, Object...)
*/
protected void addInstruction(int resId, boolean repeat, Object... formatArgs) {
final String text = mParentTutorial.getString(resId, formatArgs);
mInstructions.setVisibility(View.VISIBLE);
mInstructions.setText(text);
mParentTutorial.speakInstruction(resId, repeat, formatArgs);
}
