Android 点击EditText以外的地方隐藏输入法

Android 点击EditText以外的地方隐藏输入法

override fun dispatchTouchEvent(ev: MotionEvent?): Boolean {
        if (ev!!.action == MotionEvent.ACTION_DOWN) {
            val v = currentFocus
            if (isShouldHideKeyboard(v, ev)) {
                hideKeyboard(v!!.windowToken, application)
            }
        }
        return super.dispatchTouchEvent(ev)
    }

fun isShouldHideKeyboard(v: View?, event: MotionEvent): Boolean {
        if (v != null && v is EditText) {
            val l = intArrayOf(0, 0)
            v.getLocationInWindow(l)
            val left = l[0]
            val top = l[1]
            val bottom = top + v.getHeight()
            val right = left + v.getWidth()
            return !(event.x > left && event.x < right && event.y > top && event.y < bottom)
        }
        return false
    }

fun hideKeyboard(token: IBinder?, context: Context) {
        if (token != null) {
            val im = context.getSystemService(Context.INPUT_METHOD_SERVICE) as InputMethodManager
            im.hideSoftInputFromWindow(token, InputMethodManager.HIDE_NOT_ALWAYS)
        }
    }