/Kotlin/Kotlin android click again to exit

Kotlin android click again to exit

    private var backPressedTime:Long = 0
lateinit var backToast:Toast
   override fun onBackPressed() {
            backToast = Toast.makeText(this, "Press back again to leave the app.", Toast.LENGTH_LONG)
        if (backPressedTime + 2000 > System.currentTimeMillis()) {
            backToast.cancel()
            super.onBackPressed()
            return
        } else {
            backToast.show()
        }
        backPressedTime = System.currentTimeMillis()
    }

Source: youtube.com

Similar codes

0 vote146 views1 answer
Out modifier in kotlin
Kotlin
6 votes146 views1 answer
What is the difference var and val in kotlin
Kotlin
1 vote129 views1 answer
Android startActivity and close all the others
Kotlin
7 votes172 views2 answers
User input in kotlin
Kotlin
1 vote75 views1 answer
Close dialog android
Kotlin
2 votes111 views1 answer
Open fragment from activity kotlin
Kotlin
0 vote120 views1 answer
Create array of array in kotlin
Kotlin
0 vote150 views1 answer
Kotlin flatmap
Kotlin
1 vote125 views1 answer
Android studio picasso circle image
Kotlin
6 votes141 views3 answers
For loop in kotlin with index
Kotlin