Question 126701 in Android Studio Question posted in
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Android Studio – setOnClickListener is not showing the Toast or doing the Intent

this is in Kotlin, it doesn’t seem to work no matter what I try it’s just a button with a click listener. Its function is to take me to another activity, I tried a toast but didn’t show either. I tried not using the function and also didn’t work. and can we use this method with a text view? I’m new in Kotlin so easy on me…

here’s the code

  val startButton = binding.loginButton

startButton.setOnClickListener {
    fun crtUser() {
        Toast.makeText(this, "It's Working!", Toast.LENGTH_LONG).show()

        val intent = Intent(this@LoginActivity, SignupActivity::class.java)
        startActivity(intent)
    }
        crtUser()
    }
}

I also used finish() after the Intent, and it crashed

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2

Answers


  1. Chosen as BEST ANSWER
    0

    It's working now just after I changed this

    setContentView(R.layout.login_activity)

    To this

    setContentView(binding.root)

    Any Idea Why??


  2. 0

    Please do not use this syntax, it is not invalid, but improving it will be much better for you and for other developers to understand faster and easily what is going on :). Trigger the function from the on click event as follows:

    fun onCreateOrOtherMethod() {
    binding.button.setOnClickListener {
        createUser()
    }
}

    And then you can have createUser() as an inner method of your current class:

    private fun createUser() {
        Toast.makeText(this, "It's Working!", Toast.LENGTH_LONG).show()
        val intent = Intent(this@LoginActivity, SignupActivity::class.java)
        startActivity(intent)
}

    Little tip: don’t abbreviate the methods names, you can use long name if needed as long as it improves the semantics of your code.

    If it crashes, please, attach the Exception stack trace 😀

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