Lint/build error - WrongConstant - Gradle - React Native build for android

[leonardo-coutinho-dev]

I have the following error when trying to build a react native (bare workflow) app for android (cd android && ./gradlew build):

node_modules\lottie-react-native\android\src\main\java\com\airbnb\android\react\lottie\LottieAnimationViewPropertyManager.kt

lines 72 & 87 - 2 errors

C:\Projetos\hph-services-app\node_modules\lottie-react-native\android\src\main\java\com\airbnb\android\react\lottie\LottieAnimationViewPropertyManager.kt:72: Error: Must be one of: Typeface.NORMAL, Typeface.BOLD, Typeface.ITALIC, Typeface.BOLD_ITALIC [WrongConstant]
                return typeface?: Typeface.defaultFromStyle(400)
                                                            ~~~
C:\Projetos\hph-services-app\node_modules\lottie-react-native\android\src\main\java\com\airbnb\android\react\lottie\LottieAnimationViewPropertyManager.kt:87: Error: Must be one of: Typeface.NORMAL, Typeface.BOLD, Typeface.ITALIC, Typeface.BOLD_ITALIC [WrongConstant]
                return typeface?: Typeface.defaultFromStyle(400)
                                                            ~~~

   Explanation for issues of type "WrongConstant":
   Ensures that when parameter in a method only allows a specific set of
   constants, calls obey those rules.

Problem:

The lint error points to the following line in the LottieAnimationViewPropertyManager.kt file:

return typeface?: Typeface.defaultFromStyle(400)

The error message states:

Error: Must be one of: Typeface.NORMAL, Typeface.BOLD, Typeface.ITALIC, Typeface.BOLD_ITALIC [WrongConstant]

I have:

Gradle version: 7.6.2

"react-native": "0.72.6",
"lottie-react-native": "^6.4.1"

[eTryp]

I managed to resolve the compilation issue with a quick fix. It might not be the most elegant solution, but it is effective.
To implement this fix:

1. Open the file at the following path:

/node_modules/lottie-react-native/android/src/main/java/com/airbnb/android/react/lottie/LottieAnimationViewPropertyManager.kt

2. In the init method of this file, locate and remove the two instances of Typeface.defaultFromStyle(400).

[TheRogue76]

Hi guys,

Thanks for pointing this out. This is a linting error. I'll open a PR and update it. One question though mostly out of curiosity, is this actually blocking you guys from building the app? If so we can do a patch release. Our CI is running this fine and we haven't had an issue with this till now. I can see the environment you are building on is Windows though.

[eTryp]

Hi,

I'm using MacOS, and the issue arises when I execute ./gradlew build from the terminal.
Interestingly, I encounter no issues when running yarn android.

As you pointed out, it seems the linter might only be activated through the build command.
I'm also interested in understanding @leonardo-coutinho-dev's environment / use case.

[TheRogue76]

I wrote the PR. Please wait for it to be approved, and we can probably release 6.5.1 afterwards if all is good.

[matinzd]

Can you drop your app's build.gradle in here? @leonardo-coutinho-dev

[matinzd]

Fixed in v6.5.1 🚀

[leonardo-coutinho-dev]

@eTryp

Hi, I was trying to build the app on Windows, for Android, through the bash terminal (with ./gradlew build on android folder).

We already have a build for iOs (no issues).

I was in charge today to create the build for Android and run into this issue in the morning.

Here's the build.gradle @matinzd:

project-level

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

buildscript {
    ext {
        buildToolsVersion = "33.0.0"
        minSdkVersion = 21
        compileSdkVersion = 33
        targetSdkVersion = 33

        // We use NDK 23 which has both M1 support and is the side-by-side NDK version from AGP.
        ndkVersion = "23.1.7779620"

        // react-native-leaflet-view - build solution

        kotlinVersion = "1.7.20" // 1 <- here is solution
        RNNKotlinVersion = kotlinVersion // 2 <- here is solution
    }
    repositories {
        google()
        mavenCentral()
    }
    dependencies {
        classpath("com.android.tools.build:gradle")
        classpath("com.facebook.react:react-native-gradle-plugin")

        // react-native-leaflet-view - build solution

        classpath("org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlinVersion")// 3 <- here is solution
    }
}

[leonardo-coutinho-dev]

Fixed in v6.5.1 🚀

This solved the problem, thank you so much guys! ;)