[移动开发]android kotlin Dimension

val Float.dp: Float                 // [xxhdpi](360 -> 1080)
    get() = TypedValue.applyDimension(
        TypedValue.COMPLEX_UNIT_DIP, this, Resources.getSystem().displayMetrics
    )

val Int.dp: Int
    get() = TypedValue.applyDimension(
        TypedValue.COMPLEX_UNIT_DIP, this.toFloat(), Resources.getSystem().displayMetrics
    ).toInt()

val Float.sp: Float                 // [xxhdpi](360 -> 1080)
    get() = TypedValue.applyDimension(
        TypedValue.COMPLEX_UNIT_SP, this, Resources.getSystem().displayMetrics
    )

val Int.sp: Int
    get() = TypedValue.applyDimension(
        TypedValue.COMPLEX_UNIT_SP, this.toFloat(), Resources.getSystem().displayMetrics
    ).toInt()


/**
 * 状态栏的高度
 */
inline val Context.statusBarHeight: Int
    get() {
        var result = 0
        val resourceId = resources.getIdentifier("status_bar_height", "dimen", "android")
        if (resourceId > 0) {
            result = runCatching { resources.getDimensionPixelSize(resourceId) }.getOrDefault(0)
        }

        if (result == 0) {
            result = 24.dp
        }
        return result
    }

val Context.screenWidthPx: Int
    get() = resources.displayMetrics.widthPixels

val Context.screenHeightPx: Int
    get() = resources.displayMetrics.heightPixels