How to get size in pixel on device dynamically in code?

Screen

To get screen height:

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/**
 * Get screen height in pixel
 * @param context Context used to calculate screen size
 * @return Screen height in pixel
 */
fun screenHeightInPx(context: Context): Int {
    return context.resources.displayMetrics.heightPixels
}

Status Bar

To get status bar height:

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/**
 * Get status bar height in pixel
 * @param context Context used to calculate status bar size
 * @return Status bar size in pixel
 */
fun statusBarHeightInPx(context: Context): Int {
    val resourceIdStatusBar = context.resources.getIdentifier("status_bar_height", "dimen", "android")
    return if (resourceIdStatusBar > 0) context.resources.getDimensionPixelSize(resourceIdStatusBar) else 0
}

Tab Bar (Bottom Navigation)

This is the Tab Bar (in iOS). Bottom Navigation in Android. To get its height:

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/**
 * Get navigation bar height in pixel
 * @param context Context used to calculate tab bar size
 * @return Navigation bar size in pixel
 */
fun tabBarHeightInPx(context: Context): Int {
    val resourceIdTabBar = context.resources.getIdentifier("navigation_bar_height", "dimen", "android")
    return if (resourceIdTabBar > 0) context.resources.getDimensionPixelSize(resourceIdTabBar) else 0
}