ionic mode ios code example

Example 1: ionic web platform

if(!this.platform.is('ios') && !this.platform.is('android'))
{
	// todo
}

Example 2: ionic 5 make app portrait only

If you want to restrict to portrait mode only on all devices 
you should add this line to the config.xml in your projects root folder.

<preference name="orientation" value="portrait" />

After that, please rebuild the platform by typing below text in command line:

ionic build