Memory

val test = "안녕하세요. 만나서 반갑습니다." println(test.take(5)) // (앞에서부터) 안녕하세요 println(test.takeLast(10)) // (뒤에서부터) 만나서 반갑습니다. https://kotlinlang.org/api/latest/jvm/stdlib/kotlin.collections/take-last.html takeLast - Kotlin Programming Language kotlinlang.org val chars = ('a'..'z').toList() println(chars.take(3)) // [a, b, c] println(chars.takeWhile { it < 'f' }) // [a, b, c, d, e] println(chars.takeLas..

더하기 (plus) https://kotlinlang.org/api/latest/jvm/stdlib/kotlin.collections/plus.html val num1 = 10 val num2 = 2 val type1 = num1 + num2 println(type1) val type2 = num1.plus(num2) println(type2) 빼기 (minus) https://kotlinlang.org/api/latest/jvm/stdlib/kotlin.collections/minus.html val num1 = 10 val num2 = 2 val type1 = num1 - num2 println(type1) val type2 = num1.minus(num2) println(type2) 곱하기 (tim..

fun dateDay(date : Date) : String { val dayFormat = SimpleDateFormat("dd", Locale.getDefault()) val day = dayFormat.format(date) return day } fun getWeekDate() : Pair{ val calendar = Calendar.getInstance() calendar.time = Date() // 오늘 날짜의 주 구하기 val week_of_year = calendar.get(Calendar.WEEK_OF_YEAR) // 월요일 calendar.add(Calendar.DAY_OF_MONTH, (2-calendar.get(Calendar.DAY_OF_WEEK))) val mondayDate ..

fun isTablet(context: Context): Boolean { val xlarge = context.resources .configuration.screenLayout and Configuration.SCREENLAYOUT_SIZE_MASK === 4 val large = context.resources .configuration.screenLayout and Configuration.SCREENLAYOUT_SIZE_MASK === Configuration.SCREENLAYOUT_SIZE_LARGE return xlarge or large } [참고] 출처 - stackoverflow.com/questions/16784101/how-to-find-tablet-or-phone-in-androi..

2021/01/12 - [IT/ANDROID] - [ANDROID/KOTLIN] ExoPlayer로 동영상 실행하기 (r2.12.2) [ANDROID/KOTLIN] ExoPlayer로 동영상 실행하기 (r2.12.2) ExoPlayer 공식 홈페이지 exoplayer.dev/hello-world.html Hello world! - ExoPlayer exoplayer.dev XML ... CODE ( ViewBinding 사용중 ) class VideoDetailActivity : A.. jinha3211.tistory.com XML (exo_playback_control_view.xml) - Custom ExoPlayer Controller Layout ※ ExoPlayer 내부에 설정되어있는 id를 사..

2021/01/12 - [IT/ANDROID] - [ANDROID/KOTLIN] ExoPlayer로 동영상 실행하기 (r2.12.2) [ANDROID/KOTLIN] ExoPlayer로 동영상 실행하기 (r2.12.2) ExoPlayer 공식 홈페이지 exoplayer.dev/hello-world.html Hello world! - ExoPlayer exoplayer.dev XML ... CODE ( ViewBinding 사용중 ) class VideoDetailActivity : A.. jinha3211.tistory.com // 영상 높이 설정 app:resize_mode="zoom" ※ resize_mode 종류 app:resize_mode="fixed_width" app:resize_mode="fi..

2021/01/12 - [IT/ANDROID] - [ANDROID/KOTLIN] ExoPlayer로 동영상 실행하기 (r2.12.2) [ANDROID/KOTLIN] ExoPlayer로 동영상 실행하기 (r2.12.2) ExoPlayer 공식 홈페이지 exoplayer.dev/hello-world.html Hello world! - ExoPlayer exoplayer.dev XML ... CODE ( ViewBinding 사용중 ) class VideoDetailActivity : A.. jinha3211.tistory.com override fun onStart() { super.onStart() // 유튜브 링크 val youtubeLink = "https://www.youtube.com/watch?v..

ExoPlayer 공식 홈페이지 exoplayer.dev/hello-world.html Hello world! - ExoPlayer exoplayer.dev XML ... = 24) { initializePlayer() } } override fun onResume() { super.onResume() // hideSystemUi() -> 전체화면 환경으로 만들기 hideSystemUi() if ((Util.SDK_INT < 24 || player == null)) { initializePlayer() } } override fun onPause() { super.onPause() if (Util.SDK_INT < 24) { releasePlayer() } } override fun onStop() { ..

ExoPlayer 테스트를 위해 참고할 샘플 동영상 Uri가 필요해 검색해보다 알게되어 공유합니다. http://commondatastorage.googleapis.com/gtv-videos-bucket/sample/BigBuckBunny.mp4 http://commondatastorage.googleapis.com/gtv-videos-bucket/sample/ElephantsDream.mp4 http://commondatastorage.googleapis.com/gtv-videos-bucket/sample/ForBiggerBlazes.mp4 http://commondatastorage.googleapis.com/gtv-videos-bucket/sample/images/BigBuckBunny.jpg ht..

fun setBackground(data: ItemListMonitoring_Data){ // 배경 색상 코드로 설정하는 방법 // 변수명.setBackgroundResource(R.drawable.파일명) when (data.status){ "이탈" -> { constraintL_item_list_monitoring.setBackgroundResource(R.drawable.draw_f8420b_ba3710_8dp_rounded_border) } "정상" -> { constraintL_item_list_monitoring.setBackgroundResource(R.drawable.draw_5bc63a_3daa2f_8dp_rounded_border) } "종료" -> { constraintL_item_l..