How to add a button dynamically in Android using Kotlin

Question

How to add a button dynamically in Android using Kotlin?

I am new to Kotlin, please help.

@8hubham : kotlin is new language for android. you can search on google — Pradeep Bishnoi
– Pradeep Bishnoi, Commented May 24, 2017 at 4:25

Avijit Karmakar · Accepted Answer · 2017-05-24 04:23:24Z

9

You can create a button dynamically by calling the constructor of the button.

var myButton = Button(this);

'this' will be the activity.

answered May 24, 2017 at 4:23

Avijit Karmakar

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1 Comment

ibad ur rahman Over a year ago

i want to add button to another view. how to add them

Supriya Yadubansi · Accepted Answer · 2020-03-25 11:43:34Z

1

Please try this:-

/* Create a new Button programmatically in Kotlin Android */

private fun createButtonDynamically() {
    // creating the button
    val dynamicButton = Button(this)
    // setting layout_width and layout_height using layout parameters
    dynamicButton.layoutParams = LinearLayout.LayoutParams(
        LinearLayout.LayoutParams.WRAP_CONTENT,
        LinearLayout.LayoutParams.WRAP_CONTENT
    )
    dynamicButton.text = "Dynamic Button"
    dynamicButton.setBackgroundColor(Color.GREEN)
    // add Button to LinearLayout
    mainLayout.addView(dynamicButton)


}

answered Mar 25, 2020 at 11:43

Supriya Yadubansi

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2 Comments

zeeshan Over a year ago

Please show where mainLayout coming from.

georgiecasey Over a year ago

@zeeshan from something like val mainLayout= findViewById<ConstraintLayout>(R.id.mainLayout) depending on the view in your layout XML file

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