flexbox

I have already read several flexbox tutorial, but I still cannot make this simple task to work. How can I make the red box to 100% width? Code: <View style={styles.container}> <Text style={styles.welcome}> Welcome to React Natives </Text> <Text style={styles.line1}> line1 </Text> <Text style={styles.instructions}> Press Cmd+R to reload,{‘\n’} Cmd+D or shake for dev menu </Text> </View> … Read more