Unable to switch to debug build variant in Android Studio

Question

I\'ve switched to release build variant and configured signingConfigs. Now when I try to check the debug build variant from the drop down menu it switches immediately back to th

Answer 1

Maybe you have got your solution to this, just in case, i provide my solution here.

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For Android Studio 2.x

It may because that you compile your dependent project using:

compile project('module_a')

Above setting will force your project to compile the release version of your modules. Just change it to below:

releaseCompile project(path: ':module_a', configuration: 'release')
debugCompile project(path: ':module_a', configuration: 'debug')

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For Android Studio 3.x

You don't need to explicitly specify the build variant for a "module project". Just using

implementation project(':library') 

will automatically help select the correct build variant.

Here is a detailed explanation: https://developer.android.com/studio/build/?utm_source=android-studio#variant_aware

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For Android Studio 3.x Upgraded from 2.x

Delete the .idea folder under your project root directory and restart your Android Studio.

Below is the GUI screenshot:

Hope it helps!