getErrorDrawable

LoginDialogFragment.java

/**
 * Returns an error icon for use with
 * {@link EditText#setError(CharSequence)}
 * 
 * @return A {@link Drawable} of the error icon
 */
public Drawable getErrorDrawable() {
    Resources r = getActivity().getResources();
    Drawable drawable 
        = r.getDrawable(R.drawable.custom_indicator_input_error);

    /**
     * We have to set the bounds here because they will default
     * to zero for all values, meaning our icon will not display
     */
    drawable.setBounds(0,                              // Left 
                       0,                              // Top
                       drawable.getIntrinsicWidth(),   // Right
                       drawable.getIntrinsicHeight()); // Bottom

    return drawable;

}