concept developer menu in category react native

This is an excerpt from Manning's book React Native in Action. Login to get full access to this book.

3.3 Opening the developer menu

The developer menu is a built-in menu available as a part of React Native; it gives you access to the main debugging tools you’ll use. You can open it in the iOS simulator or in the Android emulator. In this section, I’ll show you how to open and use the developer menu on both platforms.

Figure 3.5 Manually opening the developer menu (iOS simulator)

Figure 3.6 React Native developer menu (iOS simulator)

When you do, you should see the developer menu, shown in figure 3.6.