Edittext点击外部区域隐藏软件盘

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binding.root.setOnTouchListener { _, event ->
    if (event.action == MotionEvent.ACTION_DOWN) {
        val focusedView: View? = activity?.currentFocus
        if (focusedView is EditText) {
            // 如果当前焦点在EditText上，并且点击位置不在EditText范围内，隐藏键盘
            if (event.x < focusedView.getLeft() || event.x > focusedView.getRight() ||
                event.y < focusedView.getTop() || event.y > focusedView.getBottom()) {
                hideSoftInput()
            }
        }
    }
    false
}