Input text doesn't show keyboard on iOS simulator

I'm building an app and I need to use an input text. The problem comes when you tap on this input text, the keyboard doesn't appear. I don't know why, I don't know what I'm doing wrong. It is supposed to be straightforward. Here is some of my code: <View style={ styles.storyContentContainer }> <TextInput ref='username' style={{width: 300, height: 20, borderWidth: 1,}}/> </View> And a video to show