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I have uploaded one apk to the alpha channel with just billing permission.

<uses-permission android:name="com.android.vending.BILLING" />

The uploaded apk does not have purchase flow code but I have added that code for testing apk.

Both apk signed with same credentials and has same version name and version code and also I have published subscription product on play console.

I am able to fetch SKU details but while starting purchase flow getting BILLING_RESPONSE_RESULT_DEVELOPER_ERROR.

Is it necessary to use same APK(same code) for testing which is uploaded to alpha channel? and again next time if I changed something, do I need to upload it to first alpha channel and test updated code with the same apk?

user3606902
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1 Answers1

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Probably doesn't matter what is APK. But make sure you are using same version. Also you can't test subscription. I.e. you should only use BillingClient.SkuType.INAPP

Олександр Бабіч
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