I have a problem with changing value of parameter in android studio, kotlin. I want to change boolean value of a particular item in enum class.
Here's the MainActivity.kt:
// Variables
val intentMainActivityToShow = Intent(this@MainActivity, ShowData::class.java)
// Select and apply choice
radioButtonGroup.setOnCheckedChangeListener { _, checkedId ->
when (checkedId) {
R.id.radioButton1 -> {
intentMainActivityToShow.putExtra(Variables.Companion.AvailableChoices.FIRST.chosen, true)
}
R.id.radioButton2 -> {
intentMainActivityToShow.putExtra(Variables.Companion.AvailableChoices.SECOND.chosen, true)
}
R.id.radioButton3 -> {
intentMainActivityToShow.putExtra(Variables.Companion.AvailableChoices.THIRD.chosen, true)
}
}
}
And here's the Variables.kt:
package com.example.studyingsendingdata
class Variables {
companion object {
enum class AvailableChoices (var chosen: Boolean) {
FIRST(false),
SECOND(false),
THIRD(false)
}
}
}
Here's the ShowData.kt which displays updated values of parameter:
package com.example.studyingsendingdata
import androidx.appcompat.app.AppCompatActivity
import android.os.Bundle
import android.widget.Button
import android.widget.TextView
class ShowData : AppCompatActivity() {
lateinit var button: Button
lateinit var displayResult: TextView
override fun onCreate(savedInstanceState: Bundle?) {
super.onCreate(savedInstanceState)
setContentView(R.layout.activity_show_data)
button = findViewById(R.id.button)
displayResult = findViewById(R.id.displayResult)
val getData = intent.extras // extras is the data which is applied via putExtra
button.setOnClickListener {
displayResult.text = getData?.getString(Variables.Companion.AvailableChoices.FIRST.chosen)
displayResult.text = getData?.getString(Variables.Companion.AvailableChoices.SECOND.chosen)
displayResult.text = getData?.getString(Variables.Companion.AvailableChoices.THIRD.chosen)
}
}
}
Every time I click any button the value of paremeter "chosen" remains the same. I suppose I change the value of the parameter only in the MainActivity.kt, not in the Variables.kt. How to fix the code to change the value of a particular item "globally"?
