How to read and write txt files in android in kotlin

Question

I\'m still pretty much a beginner in kotlin and android studio. I can access most of the android widgets but I cannot access files and so far I managed to come across only the f

Answer 1

Kotlin has made file reading/writing quite simple.

For reading/writing to internal storage:

context.openFileOutput(filename, Context.MODE_PRIVATE).use {
    it.write(message.toByteArray())
}
.
.
.
val file = File(context.filesDir, "myfile.txt")
val contents = file.readText() // Read file

For reading/writing to external storage:

val file = File(Environment.getExternalStorageDirectory()+"/path/to/myfile.txt")
file.writeText("This will be written to the file!")
.
.
.
val contents = file.readText() // Read file