[Android Studio/Kotlin] Vibration, Push Notification

[안드로이드 스튜디오/코틀린] 진동, 푸시 알림

Vibration

activity_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.Context
import androidx.appcompat.app.AppCompatActivity
import android.os.Bundle
import android.os.VibrationEffect
import android.os.Vibrator
import android.view.View
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 { Vibration(1000L) }

    }

    fun Vibration(len:Long) {
        val vibrator = getSystemService(Context.VIBRATOR_MANAGER_SERVICE) as Vibrator
        vibrator.vibrate(len)
    }

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

}

AndroidManifest.xml

<manifest xmlns:android="http://schemas.android.com/apk/res/android"
    package="com.shinyelee.android_study2">

    <!-- 이 위치에 코드 추가 -->
    <uses-permission android:name="android.permission.VIBRATE"/>

    <!-- 나머지 생략 -->

</manifest>

버튼을 클릭하면 진동(하는데 에뮬레이터상으로는 확인 불가)

---

Push Notification

activity_main.xml

<!-- Vibration과 동일 -->

MainActivity.kt

package com.shinyelee.android_study2

import android.app.Notification
import android.app.NotificationChannel
import android.app.NotificationManager
import android.app.PendingIntent
import android.content.Context
import android.content.Intent
import android.os.Build
import androidx.appcompat.app.AppCompatActivity
import android.os.Bundle
import androidx.core.app.NotificationCompat
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 { ShowNotification("제목", "내용") }
    }

    fun ShowNotification(Title: String, Body: String) {

        val pending = PendingIntent.getActivity(this, 0, Intent(this, MainActivity::class.java), PendingIntent.FLAG_CANCEL_CURRENT)

        val builder = NotificationCompat.Builder(this, "id")

        builder.setSmallIcon(R.drawable.ic_baseline_create_24)
            .setContentTitle(Title)
            .setContentText(Body)
            .setContentIntent(pending)
            .setAutoCancel(true)
            .setDefaults(Notification.DEFAULT_SOUND or Notification.DEFAULT_VIBRATE)

        val NManager = getSystemService(Context.NOTIFICATION_SERVICE) as NotificationManager

        if(Build.VERSION.SDK_INT >= Build.VERSION_CODES.O) {
            NManager.createNotificationChannel(NotificationChannel("id", "name", NotificationManager.IMPORTANCE_HIGH))
        }
        NManager.notify(0, builder.build())

    }

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

}

버튼을 클릭하면

푸시 알람이 뜬다

클릭하면

알림창이 지워지고 원래 화면으로 돌아감

---

참고