SafetyKeyboard.java 文件源码

private StateListDrawable getDrawableSeletor(Drawable normal,
        Drawable press) {
    StateListDrawable bg = new StateListDrawable();
    if (null != normal) {
        bg.addState(new int[] { android.R.attr.state_pressed }, press);
    }
    if (null != press) {
        bg.addState(new int[] { android.R.attr.state_enabled }, normal);
    }
    return bg;
}