[Android Studio/Kotlin] Dialog, Share

[안드로이드 스튜디오/코틀린] 대화상자, 공유하기

Dialog

activiti_main.xml

<?xml version="1.0" encoding="utf-8"?>

<androidx.constraintlayout.widget.ConstraintLayout
    xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:orientation="vertical"
    tools:context=".MainActivity">

    <Button
        android:id="@+id/btn"
        android:text="BUTTON"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        app:layout_constraintBottom_toBottomOf="parent"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintTop_toTopOf="parent" />

</androidx.constraintlayout.widget.ConstraintLayout>

MainActivity.kt

package com.shinyelee.android_study2

import android.content.DialogInterface
import androidx.appcompat.app.AppCompatActivity
import android.os.Bundle
import android.widget.EditText
import androidx.appcompat.app.AlertDialog
import com.shinyelee.android_study2.databinding.ActivityMainBinding

class MainActivity : AppCompatActivity() {

    private var vBinding : ActivityMainBinding? = null
    private val binding get() = vBinding!!

    override fun onCreate(savedInstanceState: Bundle?) {

        super.onCreate(savedInstanceState)
        vBinding = ActivityMainBinding.inflate(layoutInflater)
        setContentView(binding.root)

        binding.btn.setOnClickListener {

            var ad = AlertDialog.Builder(this)

            ad.setIcon(R.mipmap.ic_launcher)
            ad.setTitle("제목")
            ad.setMessage("내용")
            ad.setView(EditText(this))

            ad.setPositiveButton("Yes", object:DialogInterface.OnClickListener {
                override fun onClick(p0: DialogInterface?, p1: Int) {
                    println("Yes 클릭")
                    p0?.dismiss()
                }
            })

            ad.setNegativeButton("No", object:DialogInterface.OnClickListener {
                override fun onClick(p0: DialogInterface?, p1: Int) {
                    println("No 클릭")
                    p0?.dismiss()
                }
            })

            ad.show()

        }

    }

    override fun onDestroy() {
        vBinding = null
        super.onDestroy()
    }

}

버튼을 클릭하면

대화상자가 뜬다

---

Share

activity_main.xml

<!-- Dialog와 동일 -->

MainActivity.kt

package com.shinyelee.android_study2

import android.content.Intent
import androidx.appcompat.app.AppCompatActivity
import android.os.Bundle
import com.shinyelee.android_study2.databinding.ActivityMainBinding

class MainActivity : AppCompatActivity() {

    private var vBinding : ActivityMainBinding? = null
    private val binding get() = vBinding!!

    override fun onCreate(savedInstanceState: Bundle?) {

        super.onCreate(savedInstanceState)
        vBinding = ActivityMainBinding.inflate(layoutInflater)
        setContentView(binding.root)

        binding.btn.setOnClickListener {

            var intent = Intent()

            intent.setAction(Intent.ACTION_SEND)
            intent.setType("text/plain")
            intent.putExtra(Intent.EXTRA_SUBJECT, title)
            intent.putExtra(Intent.EXTRA_TEXT, "내용")

            startActivity(Intent.createChooser(intent, "공유하기"))

        }

    }

    override fun onDestroy() {
        vBinding = null
        super.onDestroy()
    }

}

버튼을 클릭하면

공유하기가 뜬다

---

참고