I don't want to add this as an Issue, maybe I followed docs incorrectly?

[wesleyt95]

I'm still having trouble connecting to the capacitor-firebase auth/firestore plugins, not sure what I did wrong... This is android google sign in btw, google-services.json is in the root app folder as well; I'm using vue/quasar if that matters. I have successfully logged in on web before but on Android Studio I get the errors: Attempt to invoke virtual method 'void io.capawesome.capacitorjs.plugins.firebase.authentication.handlers.GoogleAuthProviderHandler.signIn(com.getcapacitor.PluginCall)' on a null object reference (Ask Gemini) & com.google.firebase.firestore.FirebaseFirestoreException: Failed to get document because the client is offline.

android/build.gradle:

// Top-level build file where you can add configuration options common to all sub-projects/modules.

buildscript {

    repositories {
        google()
        mavenCentral()
    }
    dependencies {
        classpath 'com.android.tools.build:gradle:8.2.1'
        classpath 'com.google.gms:google-services:4.4.2'

        // NOTE: Do not place your application dependencies here; they belong
        // in the individual module build.gradle files
    }
}

apply from: "variables.gradle"

allprojects {
    repositories {
        google()
        mavenCentral()
    }
}

task clean(type: Delete) {
    delete rootProject.buildDir
}

android/app/build.gradle:

apply plugin: 'com.android.application'

 def keystorePropertiesFile = rootProject.file("keystore.properties")
 def keystoreProperties = new Properties()
 keystoreProperties.load(new FileInputStream(keystorePropertiesFile))

android {
    namespace "com.nearstreamer.app"
    compileSdk rootProject.ext.compileSdkVersion
    defaultConfig {
        applicationId "com.nearstreamer.app"
        minSdkVersion rootProject.ext.minSdkVersion
        targetSdkVersion rootProject.ext.targetSdkVersion
        versionCode 1
        versionName "1.0"
        testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
        aaptOptions {
             // Files and dirs to omit from the packaged assets dir, modified to accommodate modern web apps.
             // Default: https://android.googlesource.com/platform/frameworks/base/+/282e181b58cf72b6ca770dc7ca5f91f135444502/tools/aapt/AaptAssets.cpp#61
            ignoreAssetsPattern '!.svn:!.git:!.ds_store:!*.scc:.*:!CVS:!thumbs.db:!picasa.ini:!*~'
        }
    }
    signingConfigs {
        debug {
            keyAlias keystoreProperties['keyAlias']
            keyPassword keystoreProperties['keyPassword']
            storeFile rootProject.file(keystoreProperties['storeFile'])
            storePassword keystoreProperties['storePassword']
        }
    }
    buildTypes {
        debug {
            debuggable true
            signingConfig signingConfigs.debug
        }
        release {
            minifyEnabled false
            proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
        }
    }
    lintOptions {
        baseline file("lint-baseline.xml")
    }
}

repositories {
    flatDir{
        dirs '../capacitor-cordova-android-plugins/src/main/libs', 'libs'
    }
}

dependencies {
    implementation "androidx.core:core-splashscreen:$coreSplashScreenVersion"
    implementation "androidx.coordinatorlayout:coordinatorlayout:$androidxCoordinatorLayoutVersion"
    implementation fileTree(include: ['*.jar'], dir: 'libs')
    implementation "androidx.appcompat:appcompat:$androidxAppCompatVersion"
    implementation project(':capacitor-android')
    testImplementation "junit:junit:$junitVersion"
    androidTestImplementation "androidx.test.ext:junit:$androidxJunitVersion"
    androidTestImplementation "androidx.test.espresso:espresso-core:$androidxEspressoCoreVersion"
    implementation project(':capacitor-cordova-android-plugins')
    implementation platform('com.google.firebase:firebase-bom:33.2.0')
    implementation 'com.google.firebase:firebase-analytics'
}

apply from: 'capacitor.build.gradle'

try {
    def servicesJSON = file('google-services.json')
    if (servicesJSON.text) {
        apply plugin: 'com.google.gms.google-services'
    }
} catch(Exception e) {
    logger.info("google-services.json not found, google-services plugin not applied. Push Notifications won't work")
}

variables.gradle:

ext {
    minSdkVersion = 23
    compileSdkVersion = 34
    targetSdkVersion = 34
    androidxActivityVersion = '1.8.0'
    androidxAppCompatVersion = '1.6.1'
    androidxCoordinatorLayoutVersion = '1.2.0'
    androidxCoreVersion = '1.12.0'
    androidxFragmentVersion = '1.6.2'
    coreSplashScreenVersion = '1.0.1'
    androidxWebkitVersion = '1.9.0'
    junitVersion = '4.13.2'
    androidxJunitVersion = '1.1.5'
    androidxEspressoCoreVersion = '3.5.1'
    cordovaAndroidVersion = '10.1.1'
    rgcfaIncludeGoogle = true
}

capacitor-config.json:

{
  "appId": "com.nearstreamer.app",
  "appName": "NearStream",
  "webDir": "www",
  "FirebaseAuthentication": {
    "skipNativeAuth": false,
    "providers": [
      "apple.com",
      "google.com"
    ]
  }
}

capacitor-config.ts:

import type { CapacitorConfig } from '@capacitor/cli';

const config: CapacitorConfig = {
  appId: 'com.nearstreamer.app',
  appName: 'NearStreamer',
  webDir: 'dist/spa',
  plugins: {
    FirebaseAuthentication: {
      skipNativeAuth: false,
      providers: ['apple.com', 'google.com'],
    },
  },
};
export default config;

[robingenz]

Please provide a Minimal, Reproducible Example using this template in a public GitHub repository so I can debug it.

[akash-melkeri]

Did you fine any solution @wesleyt95 ?
Currently, I'm in same problem.

[wesleyt95]

I didn't tbh, I started making new apps 😂