cannot find symbol BuildConfig.APPLICATION_ID

## Issue






Describe your issue here

```
node_modules@react-native-firebase\app\android\src\reactnative\java\io\invertase\firebase\app\ReactNativeFirebaseAppInitProvider.java:25: error: cannot find symbol
 BuildConfig.APPLICATION_ID + ".reactnativefirebaseappinitprovider";
 ^
 symbol: variable APPLICATION_ID
 location: class BuildConfig
1 error

FAILURE: Build failed with an exception.

* What went wrong:
Execution failed for task ':@react-native-firebase_app:compileDebugJavaWithJavac'.
```

---

## Project Files










### Javascript

<details><summary>Click To Expand</summary>


#### `package.json`:

```json
# N/A
{
 "name": "appname_mobile",
 "version": "0.0.1",
 "private": true,
 "scripts": {
 "android": "react-native run-android",
 "ios": "react-native run-ios",
 "start": "react-native start",
 "test": "jest",
 "lint": "eslint .",
 "postinstall": "npx rn-nodeify --install \"fs, util, path, tls, stream,buffer,global,process\" --hack \"node ./android-release-gradle-fix.js\"",
 "build:ios": "react-native bundle --entry-file='index.js' --bundle-output='./ios/main.jsbundle' --dev=false --platform='ios'"
 },
 "dependencies": {
 "@react-native-community/async-storage": "1.7.1",
 "@react-native-firebase/analytics": "^6.3.4",
 "@react-native-firebase/app": "^6.3.4",
 "@react-native-firebase/crashlytics": "^6.3.4",
 "asyncstorage-down": "^4.2.0",
 "aws-iot-device-sdk": "^2.2.1",
 "aws-sdk": "^2.601.0",
 "axios": "0.19.0",
 "buffer": "^4.9.1",
 "events": "^3.1.0",
 "native-base": "^2.13.8",
 "path-browserify": "0.0.0",
 "process": "^0.11.10",
 "react": "16.9.0",
 "react-native": "0.61.5",
 "react-native-appearance": "0.3.1",
 "react-native-check-box": "^2.1.7",
 "react-native-config": "^0.12.0",
 "react-native-confirmation-code-input": "1.0.4",
 "react-native-dashed-progress": "^1.0.1",
 "react-native-fs": "^2.16.6",
 "react-native-gesture-handler": "^1.5.2",
 "react-native-level-fs": "^3.0.1",
 "react-native-localization": "2.1.6",
 "react-native-logs": "^2.0.0",
 "react-native-modal": "^11.5.3",
 "react-native-paper": "^3.5.1",
 "react-native-reanimated": "^1.4.0",
 "react-native-slider": "^0.11.0",
 "react-native-splash-screen": "^3.2.0",
 "react-native-tab-view": "^2.11.0",
 "react-native-uuid": "^1.4.9",
 "react-native-vector-icons": "^6.6.0",
 "react-navigation": "4.0.10",
 "react-navigation-stack": "1.10.3",
 "react-navigation-tabs": "2.6.2",
 "react-redux": "^7.1.3",
 "readable-stream": "^1.0.33",
 "redux": "^4.0.5",
 "redux-thunk": "^2.3.0",
 "reselect": "^4.0.0",
 "rn-nodeify": "^10.2.0",
 "stream-browserify": "^1.0.0",
 "util": "^0.10.4"
 },
 "devDependencies": {
 "@babel/core": "^7.7.4",
 "@babel/runtime": "^7.7.4",
 "@react-native-community/eslint-config": "^0.0.5",
 "babel-jest": "^24.9.0",
 "eslint": "^6.7.2",
 "jest": "^24.9.0",
 "metro-react-native-babel-preset": "^0.57.0",
 "react-test-renderer": "16.9.0"
 },
 "jest": {
 "preset": "react-native"
 },
 "react-native": {
 "path": "path-browserify",
 "fs": "react-native-level-fs",
 "_stream_transform": "readable-stream/transform",
 "_stream_readable": "readable-stream/readable",
 "_stream_writable": "readable-stream/writable",
 "_stream_duplex": "readable-stream/duplex",
 "_stream_passthrough": "readable-stream/passthrough",
 "stream": "stream-browserify",
 "tls": false
 },
 "browser": {
 "path": "path-browserify",
 "fs": "react-native-level-fs",
 "_stream_transform": "readable-stream/transform",
 "_stream_readable": "readable-stream/readable",
 "_stream_writable": "readable-stream/writable",
 "_stream_duplex": "readable-stream/duplex",
 "_stream_passthrough": "readable-stream/passthrough",
 "stream": "stream-browserify",
 "tls": false
 }
}

```

#### `firebase.json` for react-native-firebase v6:

```json
# N/A
```

### iOS

<details><summary>Click To Expand</summary>


#### `ios/Podfile`:

- [ ] I'm not using Pods
- [x] I'm using Pods and my Podfile looks like:

```ruby
# N/A
```

#### `AppDelegate.m`:

```objc
// N/A
```


</details>

---

### Android

<details><summary>Click To Expand</summary>


#### Have you converted to AndroidX?


- [x ] my application is an AndroidX application?
- [x ] I am using `android/gradle.settings` `jetifier=true` for Android compatibility?
- [ ] I am using the NPM package `jetifier` for react-native compatibility?

#### `android/build.gradle`:

```groovy
apply plugin: "com.android.application"
apply from: project(':react-native-config').projectDir.getPath() + "/dotenv.gradle"
apply from: "../../node_modules/react-native-vector-icons/fonts.gradle"
apply plugin: 'com.google.gms.google-services'
apply plugin: 'com.google.firebase.crashlytics'
.
.
.
dependencies {
 implementation project(':react-native-splash-screen')
 implementation project(path: ":@react-native-firebase_app")
 implementation fileTree(dir: "libs", include: ["*.jar"])
 implementation "com.facebook.react:react-native:+" // From node_modules

 implementation 'com.google.firebase:firebase-analytics:17.2.2'
 implementation 'com.google.firebase:firebase-crashlytics:17.0.0-beta01'


 if (enableHermes) {
 def hermesPath = "../../node_modules/hermes-engine/android/";
 debugImplementation files(hermesPath + "hermes-debug.aar")
 releaseImplementation files(hermesPath + "hermes-release.aar")
 } else {
 implementation jscFlavor
 }
}
```

#### `android/app/build.gradle`:

```groovy
buildscript {
 ext {
 buildToolsVersion = "28.0.3"
 minSdkVersion = 16
 compileSdkVersion = 28
 targetSdkVersion = 28
 }
 repositories {
 google()
 jcenter()
 }
 dependencies {
 classpath 'com.android.tools.build:gradle:4.0.0-alpha09'
 classpath 'com.google.gms:google-services:4.3.3'
 classpath 'com.google.firebase:firebase-crashlytics-gradle:2.0.0-beta02'

 // NOTE: Do not place your application dependencies here; they belong
 // in the individual module build.gradle files
 }
}

allprojects {
 repositories {
 mavenLocal()
 maven {
 // All of React Native (JS, Obj-C sources, Android binaries) is installed from npm
 url("$rootDir/../node_modules/react-native/android")
 }
 maven {
 // Android JSC is installed from npm
 url("$rootDir/../node_modules/jsc-android/dist")
 }

 google()
 jcenter()
 maven { url 'https://jitpack.io' }
 }
}
```

#### `android/settings.gradle`:

```groovy
// N/A
```

#### `MainApplication.java`:

```java
// N/A
```

#### `AndroidManifest.xml`:

```xml

```


</details>


---

## Environment

<details><summary>Click To Expand</summary>


**`react-native info` output:**



```
error Failed to install the app. Make sure you have the Android development environment set up: https://facebook.github.io/react-native/docs/getting-started.html#android-development-environment. Run CLI with --verbose flag for more details.
Error: Command failed: gradlew.bat app:installDebug -PreactNativeDevServerPort=8081
D:\<path to project>\node_modules\@react-native-firebase\app\android\src\reactnative\java\io\invertase\firebase\app\ReactNativeFirebaseAppInitProvider.java:25: error: cannot find symbol
 BuildConfig.APPLICATION_ID + ".reactnativefirebaseappinitprovider";
 ^
 symbol: variable APPLICATION_ID
 location: class BuildConfig
1 error

FAILURE: Build failed with an exception.

* What went wrong:
Execution failed for task ':@react-native-firebase_app:compileDebugJavaWithJavac'.
> Compilation failed; see the compiler error output for details.
```



- **Platform that you're experiencing the issue on**:
 - [ ] iOS
 - [x] Android
 - [ ] **iOS** but have not tested behavior on Android
 - [ ] **Android** but have not tested behavior on iOS
 - [ ] Both
- **`react-native-firebase` version you're using that has this issue:**
 - `6.3.4`
- **`Firebase` module(s) you're using that has the issue:**
 - `e.g. Instance ID`
- **Are you using `TypeScript`?**
 - `N` & `VERSION`
 

</details>








---

Think `react-native-firebase` is great? Please consider supporting all of the project maintainers and contributors by donating via our [Open Collective](https://opencollective.com/react-native-firebase/donate) where all contributors can submit expenses. [[Learn More]](https://invertase.io/oss/react-native-firebase/contributing/donations-expenses)

- 👉 Check out [`React Native Firebase`](https://twitter.com/rnfirebase) and [`Invertase`](https://twitter.com/invertaseio) on Twitter for updates on the library.

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cannot find symbol BuildConfig.APPLICATION_ID #3254

Issue

Project Files

Javascript

`package.json`:

`firebase.json` for react-native-firebase v6:

iOS

`ios/Podfile`:

`AppDelegate.m`:

Android

Have you converted to AndroidX?

`android/build.gradle`:

`android/app/build.gradle`:

`android/settings.gradle`:

`MainApplication.java`:

`AndroidManifest.xml`:

Environment

Metadata

Assignees

Labels

Type

Projects

Milestone

Relationships

Development

cannot find symbol BuildConfig.APPLICATION_ID #3254

Description

Issue

Project Files

Javascript

package.json:

firebase.json for react-native-firebase v6:

iOS

ios/Podfile:

AppDelegate.m:

Android

Have you converted to AndroidX?

android/build.gradle:

android/app/build.gradle:

android/settings.gradle:

MainApplication.java:

AndroidManifest.xml:

Environment

Metadata

Metadata

Assignees

Labels

Type

Projects

Milestone

Relationships

Development

Issue actions

`package.json`:

`firebase.json` for react-native-firebase v6:

`ios/Podfile`:

`AppDelegate.m`:

`android/build.gradle`:

`android/app/build.gradle`:

`android/settings.gradle`:

`MainApplication.java`:

`AndroidManifest.xml`: