React Native Adoption at Bacancy Technology: The Journey from Beginners to Becoming Expert React Native Developers!

React Native
Adoption at
Bacancy
Technology: The
Journey from
Beginners to
Becoming Expert
React Native
Developers!
www.bacancytechnology.com

Back in 2016, React Native was on the
rise as a most-promising cross-
platform mobile app development
framework. React Native was
introduced as a great time saver and a
future of mobile application
development. Everyone was excited
to give it a try, but no one really knew
whether it would last, or it will be
forgotten. Today, back in 2020, we
know the rising popularity of React
Native won’t let it go from here. I am
writing this blogpost, as in the last
half of a decade, we have successfully
delivered 35+ React Native projects
with a team of 20 React Native
developers on board. It was a great
learning experience; let’s have a look
at how it gets started, internal
insights, lessons learned, and
mistakes improved.

It all started when the three developers
expressed their interest in trying hands
at the newly introduced front-end
technology. React Native was just
introduced, and fortunately, all the
significant features of React Native
were experimental. On the forum,
people had various opinions like why
React Native as native developers, and
its versions are more performant?
Other developers were identifying as a
substitute for PWA – Progressive Web
Apps. So, our 3 developers decided to
try their hands at React Native
application.
First Introduction: React
Native

In the early stage, we identified that
React Native belongs to the front-end
family and now an undisputed king of
cross-platform development. When we
finally identified that it’s mobile
technology, so from various
technologies, developers have shown a
keen interest. From mobile to back-
end developers. The reason I am
explaining in-detail is that specialists
from different technologies and
perspectives helped our clients to
create unique solutions, and as a result,
we got the opportunity to develop the
best React Native applications so far.
Today we are a team of 20+ React
Native experts.
Making Star Teams Out of Star
Players

The initial days of React Native development at
Bacancy Technology was a great experience. The
Team faced lots of difficulties because, without
the mobile experience, it was a real challenge to
deploy the application. We were struggling to
identify whether the issue is because of the
modification in code or alteration in the library.
The Team invested countless hours in the fruitful
discussion and knowledge-sharing processes.
Individual team members started creating React
Native database of severe cases as well as processes
that are so much helpful even today to deal with
bugs and setting up new applications for a newbie.
At that time, the significant help and boost we
got were from Airbnb’s React Native project.
React Native Team was dealing with a variety
of techniques as well as organizations issues to
put efforts into making native surprising
altogether. Then Facebook and the growing
community of decided to make React native
applications for hybrid apps at scale.
Early Stage of React Native
Development

Over this time period, we have developed and
deployed numbers of React Native
applications, it was a roller coaster ride, as not
everything was easy and straightforward.
Today React Native developers at Bacancy
Technology is on the verge of becoming
pioneers in the React Native application
domain. Numbers of libraries have launched,
and so many libraries have to React Native
bridges, but the great thing is React Native, and
our Team has become better and matures
together. At Present, React Native repositories
has over 17K commits and 66K stars. Hundreds
of React Native libraries are there. Most
popular and top React Native component
libraries can be found here.
Yes, Airbnb has stopped using React Native.
Still, being a $38 Billion worth organization,
they can afford to hire enough developers to
work on individual platforms to make Airbnb
app an uninterrupted experience for their
end-users.
Other Side of the Coin

Now our React Native consists of 20+ experts
and is still growing so fast. Now there are
numbers of libraries available, tracking error is
much easier, and from startups to SMEs, we
are using React Native for all the shapes and
sizes of our clients as we firmly believe that
React Native is the future of mobile
applications. After investing thousands of
hours, from a newbie to now React Native
expert and learning from our own mistakes, I
thought that I should write down the most
common mistakes to avoid while developing
React Native application.
The React Native is growing
and so is our Team

Top 7 Common
Mistakes to avoid
while developing
React Native
application

Whenever a project is assigned to the
developer, the most common mistake that I
have identified is developer invest more of the
quality time in focusing the app layout, instead
of giving enough importance to the data
handling part.
This is where leveraging React-Redux seems
like a smart choice, as it helps with managing
and storing the data correctly, as well as it also
debugs the app states. If it is utilized
efficiently, then Redux is an open-source
JavaScript library and a powerful tool to
manage the application data. I would
personally like to suggest you not to make use
of Redux when you are building an app for a
startup because sometimes small changes will
require you to write long lines of codes.
01. Inappropriate Planning of
Redux Store

Remember to specify a unique key into your
FlatList item; if you do not specify it, then it
will re-render every single time into the
modified list. You will end up having a poor
performance of your application, and it will
result in bad user experience. So, make sure to
provide a unique key to enable a stable
identity.
< FlatList
data={ [11,12,13,14] }
keyExtractor={(abcd, index) => item.key}
renderItem={({abcd}) =>
< Text >{abcd}< /Text >
}
/ >
To help your application from the
performance issues due to re-rendering, make
sure not to avoid it.
02. Make sure to Mention
Unique key into Flat List item

When it comes to debugging the app,
Console.log() statements are a blessing. As it
especially helps you identify, specifically,
which line of your code is not working as
anticipated. Leaving But, leaving console.log()
statements in the production code may have
an adverse effect on the performance of your
application.
03. Mistakenly Leaving
console.log() statements in the
production app
04. Not Reading external modules’
codes
External modules always make things easier as
well as faster as they come with
documentation, and it has never been
uncommon for developers to save time
through external modules. However, it won’t
be proven useful or as anticipated because
modules break, and this is the reason why
developers should read the code because doing
so helps to identify what’s wrong with the
module and also helps to address the issues.

render(){
return(
< TouchableHighlight onPress=
{this.callme.bind(this)}>
Press Me
< /TouchableHighlight >
)
}Here I am iterating the TouchableHighlight
inside the map function. It simply breaks the
performance optimization because it creates
different callbacks while rendering. However,
this issue can be resolved by binding callme()
method or using property initializer syntax.
callme = () => {
console.log("Pressed");
}
render(){
return(
< TouchableOpacity onPress={this.callme}>
< Text >Press Me< /Text >
< /TouchableHighlight >
)
}
05. Binding functions inside the
render method

Not to write a testing unit is the most common
mistake so far, because the app still works
regardless of whether you write unit testing or
not. However, doing so, you are leaving the
app’s fate at the mercy of users, because you will
only have a result once your users download it
and use it.
Unit testing lets you assess the various features
as well as parts of your application
independently. It ensures that each function of
your application is performing as expected. If
you will write the unit test during the
development stage of your application, then it’s
easy to identify the bugs and track the source of
glitch later on.
06. Not Conducting Unit Testing

Optimizing the images while building the React
Native app should be a high priority task
because it helps to seize the images locally and
upload them to the cloud storage to improve
your app’s performance and make your app
lightweight to some extent. So next time, while
building the React native app, make sure not to
forget to optimize the images.
07. Not optimizing images

So here I have listed seven common mistakes
that you should avoid while building React
Native application because your aim should be
making fewer mistakes and gaining traction to
build top-notch mobile apps using React Native.
However, there are a series of other things that
you should take into consideration while
building React Native application. If you are
interested in building a React Native application
with the highest performance, then hire React
Native developers from us to build intuitive,
visually stunning, robust, scalable, engaging,
and user-friendly cross-platform mobile
applications.
Wrapping Up

React Native Adoption at Bacancy Technology: The Journey from Beginners to Becoming Expert React Native Developers!

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