IconUtil Object Class

IconUtil.kt

object IconUtil {
    /**
     * @param iconId name of the icon from the Icons.Filled class
     * @return [ImageVector] object
     */
    fun createImageVector(iconId: String): ImageVector {
        try {
            val className = "androidx.compose.material.icons.filled.${iconId}Kt"
            val cl = Class.forName(className)
            val method = cl.declaredMethods.first()
            return method.invoke(null, Icons.Filled) as ImageVector
        } catch (ex: Exception) {
            return Icons.Filled.Error
        }
    }

    /**
     * @param iconNameList list of icon names from the Icons.Filled class
     * @return [IconItem] list of IconItem object
     */
    fun getListOfIcons(iconNameList: List<String>): List<IconItem> {
        val icons = mutableListOf<IconItem>()
        iconNameList.forEach { iconId ->
            icons.add(
                IconItem(
                    id = iconId,
                    image = createImageVector(iconId)
                )
            )
        }
        return icons
    }

    /***
     * Sort by this example
     * search string Ho
     * icon names = {Home, AHome, AtHome, AteHome}
     * in this example, the search string "Ho" is present in all the string in this following way
     * Home -> 12
     * AHome -> 23
     * AtHome -> 34
     * AteHome -> 45
     *
     * This is how the sorting should be
     */
    fun sortIconList(iconList: List<IconItem>, searchString: String): List<IconItem> {
        return iconList.sortedWith { o1, o2 ->
            val index1 = o1.id.indexOf(searchString, ignoreCase = true)
            val index2 = o2.id.indexOf(searchString, ignoreCase = true)
            index1.compareTo(index2)
        }

    }
}