Unresolved reference: VERSION_NAME and VERSION_CODE

[Bharavi26]

F:\flutter_sdk\flutter.pub-cache\hosted\pub.dartlang.org\flutter_paystack-1.0.4+1\android\src\main\kotlin\co\paystack\flutterpaystack\MethodCallHandlerImpl.kt: (32, 96): Unresolved reference: VERSION_NAME
F:\flutter_sdk\flutter.pub-cache\hosted\pub.dartlang.org\flutter_paystack-1.0.4+1\android\src\main\kotlin\co\paystack\flutterpaystack\MethodCallHandlerImpl.kt: (36, 44): Unresolved reference: VERSION_CODE

• What went wrong:
  Execution failed for task ':flutter_paystack:compileDebugKotlin'.

Flutter Doctor
F:\flutter_sdk\flutter\bin\flutter.bat doctor --verbose
[√] Flutter (Channel dev, 1.26.0-1.0.pre, on Microsoft Windows [Version 10.0.19041.685], locale en-US)
• Flutter version 1.26.0-1.0.pre at F:\flutter_sdk\flutter
• Framework revision 63062a6443 (10 days ago), 2020-12-13 23:19:13 +0800
• Engine revision 4797b06652
• Dart version 2.12.0 (build 2.12.0-141.0.dev)

[√] Android toolchain - develop for Android devices (Android SDK version 30.0.0-rc4)
• Android SDK at \AppData\Local\Android\Sdk
• Platform android-30, build-tools 30.0.0-rc4
• ANDROID_SDK_ROOT = \AppData\Local\Android\Sdk
• Java binary at: C:\Program Files\Android\Android Studio\jre\bin\java
• Java version OpenJDK Runtime Environment (build 1.8.0_242-release-1644-b01)
• All Android licenses accepted.

[√] Chrome - develop for the web
• Chrome at C:\Program Files (x86)\Google\Chrome\Application\chrome.exe

[√] Android Studio (version 4.1.0)
• Android Studio at C:\Program Files\Android\Android Studio
• Flutter plugin can be installed from:
https://plugins.jetbrains.com/plugin/9212-flutter
• Dart plugin can be installed from:
https://plugins.jetbrains.com/plugin/6351-dart
• Java version OpenJDK Runtime Environment (build 1.8.0_242-release-1644-b01)

[√] VS Code (version 1.52.1)
• VS Code at \AppData\Local\Programs\Microsoft VS Code
• Flutter extension version 3.17.0

[√] Connected device (5 available)
• Lenovo A7020a48 (mobile) • Android 6.0 (API 23)
• vivo 1818 (mobile) • Android 10 (API 29)
• Android SDK built for x86 (mobile) • Android 10 (API 29) (emulator)
• Chrome (web) • Google Chrome 87.0.4280.88
• Edge (web) • Microsoft Edge 87.0.664.66

• No issues found!
Process finished with exit code 0

[MeherBa]

Same issue here after upgrading gradle to version 4.1.1

[vintx64]

i have the same issue

[tahabutt96]

"getUserAgent" -> {
//result.success("Android_" + Build.VERSION.SDK_INT + "Paystack" + BuildConfig.VERSION_NAME)
result.success("Android_" + "29" + "Paystack" + "1.0.0" )
}

    "getVersionCode" -> {
        //result.success(BuildConfig.VERSION_CODE.toString())
        result.success("1")
    }

[herocodess]

"getUserAgent" -> {
//result.success("Android_" + Build.VERSION.SDK_INT + "Paystack" + BuildConfig.VERSION_NAME)
result.success("Android_" + "29" + "Paystack" + "1.0.0" )
}

    "getVersionCode" -> {
        //result.success(BuildConfig.VERSION_CODE.toString())
        result.success("1")
    }

this solved the issue for me

[wilburx9]

Closing because it is a duplicate of #79

[techbly]

"getUserAgent" -> {
//result.success("Android_" + Build.VERSION.SDK_INT + "Paystack" + BuildConfig.VERSION_NAME)
result.success("Android_" + "29" + "Paystack" + "1.0.0" )
}

    "getVersionCode" -> {
        //result.success(BuildConfig.VERSION_CODE.toString())
        result.success("1")
    }

this solved the issue for me

where should i paste this code

[skemuel007]

Resolved mine by going to my Projects folder -> External Libraries -> Flutter Plugins -> Flutter_Paystack-{version}
-> android -> src -> main -> kotlin -> co -> paystack -> flutterpaystack -> MethodCallHandlerImp.kt

Edit the file follows:

@SuppressLint("HardwareIds")
    override fun onMethodCall(call: MethodCall, result: MethodChannel.Result) {
        when (call.method) {
            "getDeviceId" -> {
                val deviceId = Settings.Secure.getString(activity?.contentResolver, Settings.Secure.ANDROID_ID)
                result.success("androidsdk_$deviceId")
            }
            "getUserAgent" -> {
                //result.success("Android_" + Build.VERSION.SDK_INT + "_Paystack_" + BuildConfig.VERSION_NAME) -- _comment this line_
                result.success("Android_" + "29" + "_Paystack_" + "1.0.4" ) // -- _add this line_
            }

            "getVersionCode" -> {
                //result.success(BuildConfig.VERSION_CODE.toString())  -- _comment this line_
                result.success("1") // -- _add this line_
            }

            "getAuthorization" -> {
                authDelegate?.handleAuthorization(result, call)
            }
            "getEncryptedData" -> {
                val encryptedData = Crypto.encrypt(call.argument<String>("stringData").toString())
                result.success(encryptedData)
            }

            else -> result.notImplemented()
        }
    }

[MridulSaikia112]

Its working for me Just need to replace the "getUserAgent" -> {
//result.success("Android_" + Build.VERSION.SDK_INT + "Paystack" + BuildConfig.VERSION_NAME)
result.success("Android_" + "29" + "Paystack" + "1.0.0" )
}

with the below line
"getVersionCode" -> { //result.success(BuildConfig.VERSION_CODE.toString()) result.success("1") }

[GoodNewsOk]

where can i find the project folder pls

[skemuel007]

where can i find the project folder pls

Kindly go to your
Project folder ->
External Libraries ->
Flutter Plugins ->
Flutter_Paystack-{version}->
android ->
src ->
main ->
kotlin ->
co ->
paystack ->
flutterpaystack ->
MethodCallHandlerImp.kt