[android : kotlin] 코틀린 Notification MediaStyle 사용시 SeekBar 설정 및 해제 하는 방법

떠돌이개발자Nov 19, 2023

위에서 보는 이미지에서 처럼 미디어 스타일의 알림을 노출할 때 노래 재생이 어디까지 진행되고 있는지 확인하기 위해 SeekBar를 사용할 수 있다.

SeekBar를 숨기거나 노출하는 방법에 대해 알아보자

아래 코드 스니펫을 살펴보면 setStyle메서드 안에서 setMediaSession()메서드를 명시하면 SeekBar가 노출 된다. 명시하지 않으면 노출되지않는다.

[SeekBar 노출하기]

// 미디어 스타일 적용하기
setStyle(
	androidx.media.app.NotificationCompat.MediaStyle()
		.setMediaSession(sessionToken)
		.setShowActionsInCompactView(0, 1, 2)

		// Add a cancel button
		.setShowCancelButton(true)
		.setCancelButtonIntent(
			MediaButtonReceiver.buildMediaButtonPendingIntent(
				applicationContext, PlaybackStateCompat.ACTION_STOP
			)
		)
)

[SeekBar 감추기]

// 미디어 스타일 적용하기
setStyle(
	androidx.media.app.NotificationCompat.MediaStyle()
		//.setMediaSession(sessionToken)
		.setShowActionsInCompactView(0, 1, 2)

		// Add a cancel button
		.setShowCancelButton(true)
		.setCancelButtonIntent(
			MediaButtonReceiver.buildMediaButtonPendingIntent(
				applicationContext, PlaybackStateCompat.ACTION_STOP
			)
		)
)

NotificationCompat.Builder 전체코드는 다음과 같다.

    private fun getNotification(playbackState: Int) : NotificationCompat.Builder {

        // Get the session's metadata
        val controller = mediaSession.controller
        val mediaMetadata = controller.metadata
        val description = mediaMetadata.description

        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O) {

            val builder =  NotificationCompat.Builder(this, CHANNEL_ID).apply {
                setContentTitle(description.title)
                setContentText(description.subtitle)
                setSubText(description.description)
                setLargeIcon(description.iconBitmap)  // 반드시 bitmap호출

                // Show controls on lock screen even when user hides sensitive content.
                setVisibility(NotificationCompat.VISIBILITY_PUBLIC)

                // Enable launching the player by clicking the notification
                setContentIntent(controller.sessionActivity)

                 setSmallIcon(R.mipmap.ic_launcher_round)

                setShowWhen(false)
                priority = NotificationCompat.PRIORITY_HIGH
                //setOnlyAlertOnce(true)
                //setChannelId(CHANNEL_ID)

                setDeleteIntent(
                    MediaButtonReceiver.buildMediaButtonPendingIntent(
                        applicationContext,
                        PlaybackStateCompat.ACTION_STOP
                    )
                )

                addAction(
                    R.drawable.baseline_skip_previous_24,
                    getString(R.string.previous),
                    MediaButtonReceiver.buildMediaButtonPendingIntent(
                        applicationContext,
                        PlaybackStateCompat.ACTION_SKIP_TO_PREVIOUS
                    )
                ).build()




                // Add a pause button
                if(playbackState == PlaybackStateCompat.STATE_PLAYING) {
                    addAction(
                        NotificationCompat.Action(
                            R.drawable.baseline_pause_circle_outline_24,
                            getString(R.string.pause),
                            MediaButtonReceiver.buildMediaButtonPendingIntent(
                                applicationContext,
                                PlaybackStateCompat.ACTION_PLAY_PAUSE
                            )
                        )
                    )
                }else{
                    addAction(
                        R.drawable.baseline_play_circle_outline_24,
                        getString(R.string.play),
                        MediaButtonReceiver.buildMediaButtonPendingIntent(
                            applicationContext,
                            PlaybackStateCompat.ACTION_PLAY_PAUSE
                        )
                    ).build()
                }


                addAction(
                    R.drawable.baseline_skip_next_24,
                    getString(R.string.next),
                    MediaButtonReceiver.buildMediaButtonPendingIntent(
                        applicationContext,
                        PlaybackStateCompat.ACTION_SKIP_TO_NEXT
                    )
                ).build()

                // Take advantage of MediaStyle features
                setStyle(
                    androidx.media.app.NotificationCompat.MediaStyle()
                        .setMediaSession(sessionToken)
                        .setShowActionsInCompactView(0, 1, 2)

                        // Add a cancel button
                        .setShowCancelButton(true)
                        .setCancelButtonIntent(
                            MediaButtonReceiver.buildMediaButtonPendingIntent(
                                applicationContext, PlaybackStateCompat.ACTION_STOP
                            )
                        )
                )

            }
            return builder
        }
        return NotificationCompat.Builder(this, CHANNEL_ID)

    }

[build.gradle(:app)]

apply plugin: 'com.android.application'
apply plugin: 'kotlin-android'
apply plugin: 'kotlin-android-extensions'

android {
    compileSdkVersion 29

    defaultConfig {
        applicationId "edu.kotlin.study"
        minSdkVersion 23
        targetSdkVersion 29
        versionCode 1
        versionName "1.0"

        testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
    }

    buildTypes {
        release {
            minifyEnabled false
            proguardFiles getDefaultProguardFile('proguard-android-optimize.txt'), 'proguard-rules.pro'
        }
    }

    // For Java compilers:
    compileOptions {
        sourceCompatibility JavaVersion.VERSION_1_8
        targetCompatibility JavaVersion.VERSION_1_8
    }
}

dependencies {
    implementation fileTree(dir: "libs", include: ["*.jar"])
    implementation "org.jetbrains.kotlin:kotlin-stdlib:$kotlin_version"
    implementation 'androidx.core:core-ktx:1.3.2'
    implementation 'androidx.appcompat:appcompat:1.2.0'
    implementation 'androidx.constraintlayout:constraintlayout:2.0.4'

    implementation "androidx.media:media:1.2.0"
    implementation "androidx.recyclerview:recyclerview:1.1.0"
    //implementation "com.android.support:support-media-compat:29.+"

    // full exoplayer library
    //implementation 'com.google.android.exoplayer:exoplayer:2.11.5'
    implementation 'com.google.android.exoplayer:exoplayer-core:2.11.5'

    testImplementation 'junit:junit:4.12'
    androidTestImplementation 'androidx.test.ext:junit:1.1.2'
    androidTestImplementation 'androidx.test.espresso:espresso-core:3.3.0'

}

[REFERENCE]

미디어 컨트롤로 알림 만들기

[android : kotlin] 코틀린 RecyclerView 클릭시 미디어 재생 하는 방법 : MediaController ,SimpleExoPlayer

[android : kotlin] 코틀린 Notification setShowActionsInCompactView 사용 예제 : MediaStyle

[프로그래밍/Kotlin] – [android : kotlin] 코틀린 Notification addAction 추가하는 방법 : Notification.Action.Builder

[프로그래밍/Kotlin] – [android : kotlin] 코틀린 Notification 사용 예제

[프로그래밍/Android] – 잠금화면에 알림내용(NotificationCompat) 노출하기 (to show content in lock screen