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Firebase – How to read file from android project in Kotlin/java

I want to read the file during runtime in Kotlin function, the file I want to read is stored
at projectname/app/credentials.json and I want to read credentials.json.

similar case can be how firebase read its credential file google-services.json

PS: I don’t want to put file in assets as I have already figured assets method

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3

Answers


  1. 0

    You can find your answers through this link
    https://stackoverflow.com/a/62878278/21735165

    You have to put the file into your assets folder and read it. Check out the link

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  2. 0 
    You Should use the Context openFileInput method that this method can get the file of app path. 

val file:FileInputStream = context.openFileInput("credentials.json")
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  3. 0

    In Kotlin, you can read a file from the filesystem using standard Java I/O operations. Here is a way you can read the "credentials.json" file located in your project directory:

    Run this code :

    import java.io.File

fun readCredentials(): String? {
    val filePath = "app/credentials.json" 
    val file = File(filePath)
    return if (file.exists()) {
        file.readText()
    } else {
        null
    }
}

fun main() {
    val credentials = readCredentials()
    println(credentials)
}

    Adjust the filePath variable to the correct relative path based on your project structure. This code will read the contents of "credentials.json" and return it as a string and if the file doesn’t exist, it will return null values.

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