feat(live-room): 무료방 입장 전면 광고를 추가한다

app/build.gradle

@@ -75,6 +75,7 @@ android {
 
             // release용 ad unit id는 배포 전 실제 값으로 교체한다.
             buildConfigField 'String', 'YANDEX_INLINE_BANNER_MYPAGE_AD_UNIT_ID', '"R-M-19140295-1"'
+            buildConfigField 'String', 'YANDEX_INTERSTITIAL_LIVE_ROOM_AD_UNIT_ID', '"R-M-19140295-2"'
             buildConfigField 'String', 'BASE_URL', '"https://api.sodalive.net"'
             buildConfigField 'String', 'AGORA_API_BASE_URL', '"https://api.agora.io/api/speech-to-speech-translation/v2/"'
             buildConfigField 'String', 'AGORA_CUSTOMER_ID', '"de5dd9ea151f4a43ba1ad8411817b169"'
@@ -106,6 +107,7 @@ android {
             applicationIdSuffix '.debug'
 
             buildConfigField 'String', 'YANDEX_INLINE_BANNER_MYPAGE_AD_UNIT_ID', '"R-M-19140297-1"'
+            buildConfigField 'String', 'YANDEX_INTERSTITIAL_LIVE_ROOM_AD_UNIT_ID', '"R-M-19140297-2"'
             buildConfigField 'String', 'BASE_URL', '"https://test-api.sodalive.net"'
             buildConfigField 'String', 'AGORA_API_BASE_URL', '"https://api.agora.io/api/speech-to-speech-translation/v2/"'
             buildConfigField 'String', 'AGORA_CUSTOMER_ID', '"de5dd9ea151f4a43ba1ad8411817b169"'

app/src/main/java/kr/co/vividnext/sodalive/live/room/LiveRoomActivity.kt

@@ -82,6 +82,15 @@ import io.agora.rtm.RtmEventListener
 import io.reactivex.rxjava3.android.schedulers.AndroidSchedulers
 import io.reactivex.rxjava3.core.Observable
 import io.reactivex.rxjava3.schedulers.Schedulers
+import com.yandex.mobile.ads.common.AdError
+import com.yandex.mobile.ads.common.AdRequestConfiguration
+import com.yandex.mobile.ads.common.AdRequestError
+import com.yandex.mobile.ads.common.ImpressionData
+import com.yandex.mobile.ads.interstitial.InterstitialAd
+import com.yandex.mobile.ads.interstitial.InterstitialAdEventListener
+import com.yandex.mobile.ads.interstitial.InterstitialAdLoadListener
+import com.yandex.mobile.ads.interstitial.InterstitialAdLoader
+import kr.co.vividnext.sodalive.BuildConfig
 import kr.co.vividnext.sodalive.R
 import kr.co.vividnext.sodalive.agora.Agora
 import kr.co.vividnext.sodalive.base.BaseActivity
@@ -172,6 +181,13 @@ class LiveRoomActivity : BaseActivity<ActivityLiveRoomBinding>(ActivityLiveRoomB
     private var isSpeaker = false
     private var hasKnownHostAbsence = false
 
+    private var isFreeRoomEntryInterstitialEligible = false
+    private var hasRequestedFreeRoomEntryInterstitialLoad = false
+    private var hasConsumedFreeRoomEntryInterstitialAttempt = false
+    private var isLiveRoomJoinCompleted = false
+    private var freeRoomEntryInterstitialAdLoader: InterstitialAdLoader? = null
+    private var freeRoomEntryInterstitialAd: InterstitialAd? = null
+
     private var isCapturePrivacyMuted = false
     private var isScreenRecordingActive = false
 
@@ -216,6 +232,35 @@ class LiveRoomActivity : BaseActivity<ActivityLiveRoomBinding>(ActivityLiveRoomB
         val content: String
     )
 
+    private val freeRoomEntryInterstitialAdLoadListener = object : InterstitialAdLoadListener {
+        override fun onAdLoaded(interstitialAd: InterstitialAd) {
+            clearFreeRoomEntryInterstitialAd()
+            freeRoomEntryInterstitialAd = interstitialAd
+            maybeShowFreeRoomEntryInterstitial()
+        }
+
+        override fun onAdFailedToLoad(error: AdRequestError) {
+            Logger.e("Free room interstitial failed to load: ${error.description}")
+        }
+    }
+
+    private val freeRoomEntryInterstitialAdEventListener = object : InterstitialAdEventListener {
+        override fun onAdShown() = Unit
+
+        override fun onAdFailedToShow(adError: AdError) {
+            Logger.e("Free room interstitial failed to show: ${adError.description}")
+            clearFreeRoomEntryInterstitialAd()
+        }
+
+        override fun onAdDismissed() {
+            clearFreeRoomEntryInterstitialAd()
+        }
+
+        override fun onAdClicked() = Unit
+
+        override fun onAdImpression(impressionData: ImpressionData?) = Unit
+    }
+
     // region 채팅 금지
     private var isNoChatting = false
     private var isChatFrozen = false
@@ -454,6 +499,7 @@ class LiveRoomActivity : BaseActivity<ActivityLiveRoomBinding>(ActivityLiveRoomB
     override fun onDestroy() {
         // 액티비티 종료 전에 강제 음소거 상태를 원복한다.
         clearCapturePrivacyMuteState()
+        releaseFreeRoomEntryInterstitial()
         cropper.cleanup()
         hideKeyboard {
             viewModel.quitRoom(roomId) {
@@ -1141,6 +1187,7 @@ class LiveRoomActivity : BaseActivity<ActivityLiveRoomBinding>(ActivityLiveRoomB
         }
 
         viewModel.roomInfoLiveData.observe(this) { response ->
+            syncFreeRoomEntryInterstitial(response)
             updateV2vAvailability(response)
             binding.ivShield.visibility = if (response.isAdult) {
                 View.VISIBLE
@@ -1510,6 +1557,58 @@ class LiveRoomActivity : BaseActivity<ActivityLiveRoomBinding>(ActivityLiveRoomB
         }
     }
 
+    private fun syncFreeRoomEntryInterstitial(roomInfo: GetRoomInfoResponse) {
+        isFreeRoomEntryInterstitialEligible = roomInfo.isFreeRoom
+
+        if (!isFreeRoomEntryInterstitialEligible || hasRequestedFreeRoomEntryInterstitialLoad) {
+            return
+        }
+
+        val adUnitId = BuildConfig.YANDEX_INTERSTITIAL_LIVE_ROOM_AD_UNIT_ID
+        if (adUnitId.isBlank()) {
+            Logger.e("Free room interstitial blocked: ad unit id is blank.")
+            return
+        }
+
+        hasRequestedFreeRoomEntryInterstitialLoad = true
+
+        freeRoomEntryInterstitialAdLoader = InterstitialAdLoader(this).apply {
+            setAdLoadListener(freeRoomEntryInterstitialAdLoadListener)
+        }
+        freeRoomEntryInterstitialAdLoader?.loadAd(
+            AdRequestConfiguration.Builder(adUnitId).build()
+        )
+    }
+
+    private fun maybeShowFreeRoomEntryInterstitial() {
+        if (
+            !isFreeRoomEntryInterstitialEligible ||
+            !isLiveRoomJoinCompleted ||
+            hasConsumedFreeRoomEntryInterstitialAttempt ||
+            !isForeground ||
+            isFinishing ||
+            isDestroyed
+        ) {
+            return
+        }
+
+        val interstitialAd = freeRoomEntryInterstitialAd ?: return
+        hasConsumedFreeRoomEntryInterstitialAttempt = true
+        interstitialAd.setAdEventListener(freeRoomEntryInterstitialAdEventListener)
+        interstitialAd.show(this)
+    }
+
+    private fun clearFreeRoomEntryInterstitialAd() {
+        freeRoomEntryInterstitialAd?.setAdEventListener(null)
+        freeRoomEntryInterstitialAd = null
+    }
+
+    private fun releaseFreeRoomEntryInterstitial() {
+        freeRoomEntryInterstitialAdLoader?.setAdLoadListener(null)
+        freeRoomEntryInterstitialAdLoader = null
+        clearFreeRoomEntryInterstitialAd()
+    }
+
     private fun hideKeyboard(onAfterExecute: () -> Unit) {
         handler.postDelayed({
             imm.hideSoftInputFromWindow(
@@ -2908,6 +3007,7 @@ class LiveRoomActivity : BaseActivity<ActivityLiveRoomBinding>(ActivityLiveRoomB
             channelName = roomInfo.channelName,
             rtmChannelJoinSuccess = {
                 isRtmJoined = true
+                isLiveRoomJoinCompleted = true
                 // 두 채널 모두 연결 시 키보드 트릭 후 dismiss, 아니면 즉시 dismiss
                 if (!tryForceLayoutRefresh()) {
                     handler.post { loadingDialog.dismiss() }
@@ -2936,6 +3036,7 @@ class LiveRoomActivity : BaseActivity<ActivityLiveRoomBinding>(ActivityLiveRoomB
                 }
                 setHeartButtonPosition()
                 startPeriodicPlaybackValidation()
+                maybeShowFreeRoomEntryInterstitial()
             },
             rtmChannelJoinFail = {
                 agoraConnectFail()

app/src/main/java/kr/co/vividnext/sodalive/live/room/info/GetRoomInfoResponse.kt

@@ -29,6 +29,7 @@ data class GetRoomInfoResponse(
     @SerializedName("isActiveRoulette") val isActiveRoulette: Boolean,
     @SerializedName("isCaptureRecordingAvailable") val isCaptureRecordingAvailable: Boolean = false,
     @SerializedName("isChatFrozen") val isChatFrozen: Boolean = false,
+    @SerializedName("isFreeRoom") val isFreeRoom: Boolean,
     @SerializedName("isPrivateRoom") val isPrivateRoom: Boolean,
     @SerializedName("password") val password: String? = null
 )