Change the soft input mode

ContextUtils.kt

/**
 * Make sure that @param softInputMode is a value from WindowManager.LayoutParams, for example:
 * - SOFT_INPUT_ADJUST_PAN
 *
 * @return the previous softInputMode
 */
fun FragmentActivity.setSoftInputMode(softInputMode: Int): Int? {
    val previousSoftInputMode: Int? =
        try {
            packageManager.getActivityInfo(
                componentName,
                PackageManager.GET_META_DATA
            ).softInputMode
        } catch (nameNotFoundException: PackageManager.NameNotFoundException) {
            null
        }

    return previousSoftInputMode?.also {
        window.setSoftInputMode(softInputMode)
    }
}