The full form of APK extension in Mobile is: ANDROID APPLICATION PACKAGE
What is the meaning of APK?
Android Application Package is an App created for android which allows ease in transfer/downloading of applications from one source to another.
When you are downloading an App from play store or Apple store you are installing an APK.
APK allows you to share Applications through messaging apps, websites etc. It is made by compiling the required android program and all its part in a container zipped together. It is saved with the .apk extension.
What does the APK package contain?
The most common files in APK are:
META-INF/: This directory has the manifest file, list of resources, certificate of application, signature etc.
AndroidManifest.xml: With the help of this directory you can see the name, version and contents of the APK files.
lib/: This directory has compiled code (libraries) which is dependent on specific device architecture.
assets/: This directory contains raw resource files or application assets. These assets can be retrieved using Asset Manager.
res/: This directory contains important resources(for example images) which are not compiled into resources.arsc
classes.dex: This directory contains compiled Java classes saved in the dex file format (.DEX).
resources.arsc : This directory contains compiled programs to be used later and contains binary form of resources.
How to open an APK file?
As the name suggests, Android Application Package, it is mainly used on android devices but there are a number of ways to open an APK file.
To open on an android device – To open an APK file in any android, the user just needs to download the file just like any other files and then open it. But files installed outside from Google Play might not be able to install right away if it has a security block placed on it.
The user might have to give specific permissions to apps like Chrome to open an unauthorized and unknown app from unknown source.
To open in PC device – To open in a Windows device, Android emulators like Bluestacks, LDplayer, Nox is used. For MAC, ARC Welder is used which is a Chrome extension.
What is APK-Mirror?
APK-Mirror is a legal website that provides APKs for android, it has a installer app on Google Play.
What are the differences between APK and AAB?
- APK stands for Android Application Package and AAB is the acronym of Android Application Bundle.
- An APK is a ready to be installed file whereas an AAB is a publishing format that includes an app’s all codes and resources.
- APK has a lower conversion rate and has a lower update rate.
- With quality packs and dynamic options, apps became, in average, 35% smaller. However some apps have gotten a decrease in size of around 50%. Once the introduction of AABs, the most size of an app is 150 MB. By utilizing an APK, user is be able to surpass this specification.
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What is an android package installer?
Android package installed helps you in retrieving the App from the apk files. This installer works very similar to zip files and helps in extracting the compressed files for ease of installation.