App Inventor Extension

[koder_kids]

Hello All,
I hope you all are safe at home.
i am making firebase analytics extension. so can anyone help me how solve this problem i am using offline mit sources.
[javac] C:\appinventor-sources-master\appinventor\components\src\com\preet\FirebaseAnalytics\FirebaseAnalytics.java:3: error: package com.google.firebase.analytics does not exist
[javac] import com.google.firebase.analytics.FirebaseAnalytics;
[javac] ^
[javac] Note: Some input files use or override a deprecated API.
[javac] Note: Recompile with -Xlint:deprecation for details.
[javac] 1 error
please help me to solve

[bartmathijssen]

This question has been asked before by several people. See if the following topic answers your question. If not, feel free to ask any additional questions.

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