Several app developers consider the size of their compiled application. As an IPA version, the app bundle or the APK of an app is self-contained and grips all assets and code required to successfully run the app; its size is always a concern.

1. How to Decrease Flutter App size
in Android Platform?

2. Several app developers consider the size of their
compiled application. As an IPA version, the app
bundle or the APK of an app is self-contained and
grips all assets and code required to successfully
run the app; its size is always a concern. Size
becomes more vital when it is a larger app as you
will need more space on a device.

3. The larger app also takes longer to download, and
it may rift vital features like Android instant apps.
It enlarges the Flutter app and can be two, three
or more install sizes. Therefore, it is significant to
decrease the size of the Flutter app on the
Android platform.

4. Know the 8 Best Ways to Decrease
the Size of the Flutter App:

5. 1.
Reduce App Element Size

6. When a user installs an application from Play
Store, they get the loading bar after that the
actual size of the app. There is a high chance of
cancelled/failed download with the larger apps.
As the best Flutter app development company,
we should concise the app size as possible.

7. 2.
Compress all JPEG and PNG Files

8. You can reduce the size of all PNG and JPEG files;
however, never lose image quality. You can use
tools such as pngquant, zopflipng, or pngcrush.
All these tools you can use to reduce image size
without compromising its quality.

9. The pngcrush tool is effective as it iterates over
zlib (Deflate) parameters and PNG filters utilizing
each combination of parameters and filters to
compress the image.
Moreover, to compress JPEG images, you can
utilize other tools such as guetzli and packJPG.

10. 3.
Use Google Fonts

11. Fonts are a vital element in any website or app.
Indeed, you require attractive and user-friendly
fonts to attract users to your website. Therefore,
you can utilize the google fonts package instead
of bundling fonts in-app.

12. With this package, .otf or .ttf files are mapped in
the pubspec.yaml file and will not get stored in
your assets folder. Instead of this, you can fetch
them via HTTP at runtime and easily cache them
in the app file system.

13. 4.
Use the Analyzer in Android Studio

14. Use the plugin marketplace in Android Studio and
download the Android Size Analyzer plugin from
here. Check the process below to open and install
the plugin:

15. 1. Select File > Settings (or on Mac, Android Studio
> Preferences.)
2. Go to the Plugins section shown in the left panel.
3. Click on the Marketplace tab.
4. Start your search for the “Android Size Analyzer”
plugin.
5. Now click on the Install button to get the analyzer
plugin.

16. If you are facing issues in implementing the
above process, it is recommended to connect
with the best Flutter app development company
as they can help in the best possible ways and
bring the best solution to your desk.

17. After installing the plugin, run an app size analysis
on your current project by selecting Analyze >
Analyze App Size from the menu bar. After
analyzing your project, a tool window appears
with recommendations on reducing the size of
your app.

18. 5.
Use the Analyzer From the Command Line

19. From GitHub, You can also download the latest
version of Android Size Analyzer as a Zip or TAR
file. Now extract the zip file and run the size-
analyzer.bat script on Windows or run the size-
analyzer script on MacOS or Linux on Android
App Bundle utilizing the below commands:
./size-analyzer check-project ./size-analyzer check-bundle

20. 6.
Reduce Resource Count & Size

21. The size of your APK impacts the app’s speed,
how much power it uses, how much memory it
utilizes. One of the best ways to reduce the size
of your APK is to minimize the size and number of
resources it holds.
Specifically, you can eradicate resources that are
no longer in use and utilize scalable Drawable
objects instead of images.

22. 7.
Evade Enumerations

23. Even a single enum can enumerate 1.0 to 1.4 KB
size to classes.dex file of the app. These
conditions can easily be compiled for shared
libraries or complex systems. You can also
consider using the code shrinking and @IntDep
annotation to scale enumerations out and
convert these enumerations to integers.

24. 8.
Use Vector Graphics

25. Vector graphics is one of the best ways to reduce
Flutter app size in Android. Use vector graphics to
develop resolution-independent icons and other
scalable media. Using these graphics lets you
decrease your APK footprint.
In Android, vector images are shown as
VectorDrawable objects. Just a 100-byte file can
easily create a clear and sharp image on the
screen.

26. However, it requires significant time to render
each VectorDrawable object; also, larger image
files take more time to appear on the screen. So,
if you want to display a small image, then utilize
these vector graphics.

27. Takeaway

28. The size of an app is always important; it is vital for
its performance. Except for the above-mentioned
methods, you should also optimize your code to
reduce the app’s size. There are several coding
practices, and creating a sustainable architecture will
enable the app to perform smoothly.
Article Source
https://flutteragency.com/how-to-decrease-flutter-
app-size-in-android-platform/

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