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Reduce Android App Size During App Development Lifecycle

cal 2019-10-16 | Appentus | View : 1416

Appentus blog

Android Apps offering smart visuals and smoother navigability might attract more users but the reason behind less usage of these apps is their Size. It has been claimed by google that the installation rate of Android apps reduced to 30% if the size of the app exceeds 150 MB. the only reason behind the usage of these apps is their efficient functionality.

Developers can make use of efficient ways to downsize the android app size. These ways can offer better optimizations of the app and offer better functionality. Here we have discussed some of the ways to reduce the size during the android app development process.

Best Ways to Reduce Android App Size During App Development Lifecycle

  • Image Optimization:

Introducing image optimization in android app development will reduce the image size without affecting its resolution or quality. Developers can make use of .webp formats images instead of .jpg and.png. Tools like packjpg and pngcrush can be used for compression of .jpg and.png files respectively. Apart from this app development companies can also use Vector images which can be implemented using VectorDrawable in android. These images can be best suited for small size apps. There are more ways like using aapt tool for crunching .png images or using the Draw 9-Patch tool can reduce the image size without compromising with the Quality.

  • Eliminate Redundant code 

It is obvious you have to implement the code within a redundant system where codes are generated automatically which doesn’t do much other than increasing the size of app-only. These protocols create multiple classes and methods which can be removed to reduce the android app size.

  • Removing Dead Code

In the Android application development scenario, the size of the APK file can be estimated based on the size consumption, power consumption and the loading speed of the app. If you have kept unused code in your app then you can remove these dead code as they won’t affect the functionality of your app. This will enhance the quality of your source code and will help you to manage your code more efficiently

  • Unused Resources and Class

While developing android apps, developers can make use of the Gradle tool in order to remove unused resources and class. There is a tool called lint in the android studio that can detect these unused resources from the res/folder. It will print a security message whenever it will find such resources. These resources develop in the code when you add libraries and the lint tool doesn’t scan all the folder on its own. Following this Proguard can be used in android app development to remove unused class and resources to reduce the classes.dex.

  • Reusability of Resources

Cost evaluated using the app cost calculator can be reduced to half using this. Resources can be better utilized by reusing them in other tasks. For example, you can use the same resources for every image by making changes in their instances whenever required. It will bring the app optimization and size reduction.

  • Specific Screen Densities

Since android platforms are available worldwide and have multiple available platforms. However, there is a large number of mobile devices available with screen densities including ldpi, tvdpi, mdpi, hdpi, xhdpi, xxhdpi, and xxxhdpi. It can be better achieved during android app development by creating a survey to determine the specific percentage of people using mobile devices with the same densities. if the estimated value is insignificant then you can go for the density with a mass percentage.

  • Size of Native Binaries:

If you have developed your app on Native code then you can make use of this strategy to reduce the size of the app. Removing the size of Native Binaries can be efficient to reduce the size of the app at the deployment and the quantity of the java codebase. You can make use of these two ways in order to implement it:

  • Eliminating the debug symbols using the arm-eabi-strip.
  • Removing native libraries by enabling “False” in android:extractNativeLibs by not allowing to copy the .so files from APK.

One way or the other, these ways will help you to understand the cause behind the bulkiness of android apps and efficient implementation of these ways can help you to reduce the Android app size at the Development Lifecycle.

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