Android-Kotlin : 15.02 How to configure build varients?

[HeySitam]

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Description :scroll:

• Give a step-by-step tutorial in Kotlin along with a brief and clear explanation.
• Required Documentation or Video or Audio.

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Domain of Contribution :bar_chart:

• [x] Android Dev (kotlin)

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References :

https://developer.android.com/studio/build/build-variants?authuser=2

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Please Read it Carefully Before Contributing

• The file structure should look like Android_Development_With_Kotlin -> 15 Build -> <file name>.
• You have to push your PR to the Android_Development_With_Kotlin branch only.
• You can take help to the references but don't simply try to copy it. Just explain in your own word.
• Your code should be written only in Kotlin.
• This issue is for GWOC'21 contributors only.
• You need to push in a single commit. If there exists more than one commit then you need to squash your commits into one commit.
• Will assign you on a first come first serve basis.
• Please try to complete your assigned task within 7 days. If you need some more time then, please inform mentors and supervisors.
• If you have two previously assigned issues on Android-Kotlin pending then please first complete them.

  Supervisor @rahulsain

Happy Contributing. Best of Luck.:sparkling_heart:

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