refactor: 콘텐츠 상세

- cleanup code를 실행하여 불필요한 코드 제거

app/src/main/java/kr/co/vividnext/sodalive/audio_content/detail/AudioContentDetailActivity.kt

@@ -105,7 +105,7 @@ class AudioContentDetailActivity : BaseActivity<ActivityAudioContentDetailBindin
         audioContentId = intent.getLongExtra(Constants.EXTRA_AUDIO_CONTENT_ID, 0)
         super.onCreate(savedInstanceState)
 
-        imm = getSystemService(Service.INPUT_METHOD_SERVICE) as InputMethodManager
+        imm = getSystemService(INPUT_METHOD_SERVICE) as InputMethodManager
 
         if (audioContentId <= 0) {
             Toast.makeText(applicationContext, "잘못된 요청입니다.", Toast.LENGTH_LONG).show()
@@ -115,7 +115,7 @@ class AudioContentDetailActivity : BaseActivity<ActivityAudioContentDetailBindin
         activityResultLauncher = registerForActivityResult(
             ActivityResultContracts.StartActivityForResult()
         ) {
-            if (it.resultCode == Activity.RESULT_OK) {
+            if (it.resultCode == RESULT_OK) {
                 contentOrder(audioContent, orderType)
             }
         }
@@ -129,7 +129,7 @@ class AudioContentDetailActivity : BaseActivity<ActivityAudioContentDetailBindin
         super.onResume()
         val intentFilter = IntentFilter(Constants.ACTION_AUDIO_CONTENT_RECEIVER)
         if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.TIRAMISU) {
-            registerReceiver(audioContentReceiver, intentFilter, Context.RECEIVER_NOT_EXPORTED)
+            registerReceiver(audioContentReceiver, intentFilter, RECEIVER_NOT_EXPORTED)
         } else {
             registerReceiver(audioContentReceiver, intentFilter)
         }
@@ -1188,7 +1188,7 @@ class AudioContentDetailActivity : BaseActivity<ActivityAudioContentDetailBindin
                 false
             )
 
-            viewModel.isLoading.value = isLoading ?: false
+            viewModel.isLoading.value = isLoading == true
 
             if (this@AudioContentDetailActivity.audioContentId == contentId) {
                 runOnUiThread {