434. (kotlin/코틀린) Application 애플리케이션 클래스 ActivityLifecycleCallbacks 상속 받은 후 Activity 액티비티 라이프 사이클 감지

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[개발 환경 설정]

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개발 툴 : AndroidStudio

개발 언어 : Kotlin

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[소스 코드]

​

package com.example.kotlinproject

import android.app.Activity
import android.app.Application
import android.content.Context
import android.content.Intent
import android.os.Bundle

class A_Application : Application(), Application.ActivityLifecycleCallbacks {


    /**
     * // --------------------------------------------------------------------------------------
     * TODO [클래스 설명]
     * // --------------------------------------------------------------------------------------
     * 1. 애플리케이션 프로세스 관리 클래스
     * // --------------------------------------------------------------------------------------
     * 2. AndroidManifest.xml 파일에서 application 부분에 등록 필요
     *
     *    <application
     *       android:name="com.example.testapp.A_Application"
     *    </application>
     * // --------------------------------------------------------------------------------------
     * */





    /**
     * // --------------------------------------------------------------------------------------
     * // TODO [빠른 로직 찾기 : 주석 로직 찾기]
     * // --------------------------------------------------------------------------------------
     * // [SEARCH FAST] : []
     * // --------------------------------------------------------------------------------------
     *
     * // --------------------------------------------------------------------------------------
     *
     * // --------------------------------------------------------------------------------------
     *
     * // --------------------------------------------------------------------------------------
     *
     * // --------------------------------------------------------------------------------------
     * */





    // --------------------------------------------------------------------------------------
    // TODO [companion object >> static 선언 실시]
    // --------------------------------------------------------------------------------------
    companion object {


        // ----------------------------------------------------------------------------------
        // TODO [전역 변수]
        // ----------------------------------------------------------------------------------
        val ACTIVITY_NAME = "A_Application"


    } // [companion 종료]





    // -----------------------------------------------------------------------------------------
    // TODO [프로세스 생명주기 관리]
    // -----------------------------------------------------------------------------------------
    override fun attachBaseContext(base: Context) {
        try {
            super.attachBaseContext(base)
            // ===============================================================
            S_Log._D_(S_FinalMsg.LOG_Application_attachBaseContext, null)
            // ===============================================================
        }
        catch (e: Exception) {
            S_Log._printStackTrace_(null, S_FinalMsg.LOG_BUG_STATE, null, e)
        }
    }





    // -----------------------------------------------------------------------------------------
    // TODO [프로세스 생명주기 관리]
    // -----------------------------------------------------------------------------------------
    override fun onCreate() {
        try {
            super.onCreate()
            // ===============================================================
            // [앱 최초 실행 시 로그 파일 초기화]
            // ===============================================================
            S_Log._F_(applicationContext, ACTIVITY_NAME + " : " + S_FinalMsg.LOG_Application_onCreate + " : " + C_Util.getSourceCodeLine(), null)


            // ---------------------------------------------------------------
            // [액티비티 라이프 사이클 상태 감지 등록]
            // ---------------------------------------------------------------
            try {
                registerActivityLifecycleCallbacks(this)
            } catch (e: Exception) {
                S_Log._printStackTrace_(null, S_FinalMsg.LOG_BUG_STATE, null, e)
            }


            // ---------------------------------------------------------------

            // [작업 태스크 날림 이벤트 서비스 개시]
            // ---------------------------------------------------------------
            try {
                startService(Intent(applicationContext, S_ProgramTaskService :: class.java))
            }
            catch (e: Exception){
                S_Log._printStackTrace_(null, S_FinalMsg.LOG_BUG_STATE, null, e)
            }
            // ---------------------------------------------------------------


            // ---------------------------------------------------------------
            // [애플리케이션 시작 시 데이터 초기화 실시]
            // ---------------------------------------------------------------
            // S_Preference.proccessCreateClear(applicationContext)
            // ---------------------------------------------------------------
        }
        catch (e: Exception) {
            S_Log._printStackTrace_(null, S_FinalMsg.LOG_BUG_STATE, null, e)
        }
    }





    // -----------------------------------------------------------------------------------------
    // TODO [액티비티 onCreate 확인]
    // -----------------------------------------------------------------------------------------
    override fun onActivityCreated(activity: Activity, savedInstanceState: Bundle?) {
        try {
            S_Log._D_(S_FinalMsg.LOG_Application_Activity_Lifecycle + " :: " + activity.localClassName.toString() + " :: Created", null)
        }
        catch (e : Exception){
            S_Log._printStackTrace_(null, S_FinalMsg.LOG_BUG_STATE, null, e)
        }
    }





    // -----------------------------------------------------------------------------------------
    // TODO [액티비티 onStarted 확인]
    // -----------------------------------------------------------------------------------------
    override fun onActivityStarted(activity: Activity) { }





    // -----------------------------------------------------------------------------------------
    // TODO [액티비티 onResumed 확인]
    // -----------------------------------------------------------------------------------------
    override fun onActivityResumed(activity: Activity) {
        try {
            S_Log._W_(S_FinalMsg.LOG_Application_Activity_Lifecycle + " :: " + activity.localClassName.toString() + " :: Resumed", null)
        }
        catch (e : Exception){
            S_Log._printStackTrace_(null, S_FinalMsg.LOG_BUG_STATE, null, e)
        }
    }





    // -----------------------------------------------------------------------------------------
    // TODO [액티비티 onPaused 확인]
    // -----------------------------------------------------------------------------------------
    override fun onActivityPaused(activity: Activity) {
        try {
            S_Log._E_(S_FinalMsg.LOG_Application_Activity_Lifecycle + " :: " + activity.localClassName.toString() + " :: Paused", null)
        }
        catch (e : Exception){
            S_Log._printStackTrace_(null, S_FinalMsg.LOG_BUG_STATE, null, e)
        }
    }





    // -----------------------------------------------------------------------------------------
    // TODO [액티비티 onStopped 확인]
    // -----------------------------------------------------------------------------------------
    override fun onActivityStopped(activity: Activity) { }





    // -----------------------------------------------------------------------------------------
    // TODO [액티비티 InstanceState 확인]
    // -----------------------------------------------------------------------------------------
    override fun onActivitySaveInstanceState(activity: Activity, outState: Bundle) { }





    // -----------------------------------------------------------------------------------------
    // TODO [액티비티 Destroyed 확인]
    // -----------------------------------------------------------------------------------------
    override fun onActivityDestroyed(activity: Activity) {
        try {
            S_Log._E_(S_FinalMsg.LOG_Application_Activity_Lifecycle + " :: " + activity.localClassName.toString() + " :: Destroyed", null)
        }
        catch (e : Exception){
            S_Log._printStackTrace_(null, S_FinalMsg.LOG_BUG_STATE, null, e)
        }
    }


} // TODO [클래스 종료]

 

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[결과 출력]

 

D///===========//: ================================================
I/: [LOG :: CLASS PLACE :: com.example.kotlinproject.A_Application.onActivityCreated(A_Application.kt:164)]
I/: ----------------------------------------------------
I/: [LOG :: NOW TIME :: 2023-11-14 08:21:06 화요일]
I/: ----------------------------------------------------
I/: [LOG :: DESCRIPTION :: 애플리케이션 >> 액티비티 :: 라이프 사이클 감지 :: A_Intro :: Created]
D///===========//: ================================================



D///===========//: ================================================
I/: [LOG :: CLASS PLACE :: com.example.kotlinproject.A_Intro.onCreate(A_Intro.kt:81)]
I/: ----------------------------------------------------
I/: [LOG :: NOW TIME :: 2023-11-14 08:21:06 화요일]
I/: ----------------------------------------------------
I/: [LOG :: DESCRIPTION :: 액티비티 수행 실시]
D///===========//: ================================================

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