Fatal Exception: java.lang.NullPointerException

Attempt to invoke interface method 'android.media.session.ISessionController android.media.session.ISession.getController()' on a null object reference

Author: ismartcoding

app/build.gradle.kts

@@ -41,9 +41,9 @@ android {
                 else -> 0
             }
 
-        val vCode = 433
+        val vCode = 436
         versionCode = vCode - singleAbiNum
-        versionName = "2.1.16"
+        versionName = "2.1.17"
 
         ndk {
             //noinspection ChromeOsAbiSupport

app/src/main/AndroidManifest.xml

@@ -181,7 +181,7 @@
 
         <service
             android:name=".services.PNotificationListenerService"
-            android:exported="true"
+            android:exported="false"
             android:permission="android.permission.BIND_NOTIFICATION_LISTENER_SERVICE">
             <intent-filter>
                 <action android:name="android.service.notification.NotificationListenerService" />

app/src/main/java/com/ismartcoding/plain/services/PNotificationListenerService.kt

@@ -129,6 +129,11 @@ class PNotificationListenerService : NotificationListenerService() {
                     LogCat.w("PNotificationListenerService: not connected, ignoring cancel request")
                     return@receiveEventHandler
                 }
+                if (!Permission.NOTIFICATION_LISTENER.can(applicationContext)) {
+                    LogCat.w("PNotificationListenerService: permission not granted, ignoring cancel request")
+                    isConnected = false
+                    return@receiveEventHandler
+                }
 
                 try {
                     if (event.ids.size == TempData.notifications.size) {
@@ -166,6 +171,11 @@ class PNotificationListenerService : NotificationListenerService() {
         } catch (ex: Exception) {
             LogCat.e("Error cleaning up events: ${ex.message}")
         }
+        try {
+            requestRebind(ComponentName(applicationContext, PNotificationListenerService::class.java))
+        } catch (ex: Exception) {
+            LogCat.e("Error requesting rebind: ${ex.message}")
+        }
     }
 
     companion object {

app/src/main/java/com/ismartcoding/plain/ui/components/mediaviewer/video/MediaVideo.kt

@@ -9,6 +9,7 @@ import androidx.compose.foundation.layout.fillMaxSize
 import androidx.compose.foundation.layout.size
 import androidx.compose.foundation.pager.PagerState
 import androidx.compose.runtime.Composable
+import androidx.compose.runtime.DisposableEffect
 import androidx.compose.runtime.LaunchedEffect
 import androidx.compose.runtime.derivedStateOf
 import androidx.compose.runtime.getValue
@@ -65,44 +66,45 @@ fun MediaVideo(
     val scope = rememberCoroutineScope()
     val viewerAlpha = remember { Animatable(0F) }
     val context = LocalContext.current
+    val appContext = remember(context) { context.applicationContext }
 
-    // 容器大小
+    // Container size
     var bSize by remember { mutableStateOf(IntSize(0, 0)) }
-    // 容器比例
+    // Container aspect ratio
     val bRatio by remember { derivedStateOf { bSize.width.toFloat() / bSize.height.toFloat() } }
-    // 视频原始大小
+    // Video intrinsic size
     var vSize by remember { mutableStateOf(IntSize(0, 0)) }
-    // 视频原始比例
+    // Video intrinsic aspect ratio
     val vRatio by remember { derivedStateOf { if (vSize.height == 0) 1f else vSize.width.toFloat() / vSize.height.toFloat() } }
-    // 是否宽度与容器大小一致
+    // Whether width matches the container width
     var widthFixed by remember { mutableStateOf(false) }
-    // 长宽是否均超出容器长宽
+    // Whether both width and height exceed container bounds
     val superSize by remember {
         derivedStateOf {
             vSize.height > bSize.height && vSize.width > bSize.width
         }
     }
-    // 显示大小
+    // Display size
     val uSize by remember {
         derivedStateOf {
             if (vSize == IntSize.Zero || bSize == IntSize.Zero) {
                 bSize
             } else if (vRatio > bRatio) {
-                // 宽度一致
+                // Match container width
                 val uW = bSize.width
                 val uH = uW / vRatio
                 widthFixed = true
                 IntSize(uW, uH.toInt())
             } else {
-                // 高度一致
+                // Match container height
                 val uH = bSize.height
                 val uW = uH * vRatio
                 widthFixed = false
                 IntSize(uW.toInt(), uH)
             }
         }
     }
-    // 视频显示的真实大小
+    // Actual rendered video size
     val rSize by remember {
         derivedStateOf {
             IntSize(
@@ -135,19 +137,19 @@ fun MediaVideo(
         }
     }
 
-    // 视频是否加载成功
+    // Whether the video is successfully specified/loaded
     var videoSpecified by remember { mutableStateOf(false) }
 
-    // 初始化视频尺寸
+    // Initialize video dimensions
     LaunchedEffect(model.path) {
         if (model.intrinsicSize == IntSize.Zero) {
-            // 尝试从不同的数据源获取视频尺寸
+            // Try to obtain video dimensions from various sources
             when (val data = model.data) {
                 is com.ismartcoding.plain.data.DVideo -> {
                     model.initAsync(data)
                 }
                 else -> {
-                    // 如果没有data，直接使用VideoHelper获取尺寸
+                    // If there is no data, use VideoHelper to get the size directly
                     val size = com.ismartcoding.plain.helpers.VideoHelper.getIntrinsicSize(model.path)
                     if (size != IntSize.Zero) {
                         model.intrinsicSize = size
@@ -198,7 +200,7 @@ fun MediaVideo(
         }
         videoState.initData(player)
         mediaSession?.release()
-        mediaSession = MediaSession.Builder(context, ForwardingPlayer(player))
+        mediaSession = MediaSession.Builder(appContext, ForwardingPlayer(player))
             .setId("VideoPlayerMediaSession_${UUID.randomUUID().toString().lowercase().split("-").first()}")
             .build()
         val exoPlayerMediaItems = listOf(
@@ -220,6 +222,13 @@ fun MediaVideo(
         player.play()
     }
 
+    DisposableEffect(Unit) {
+        onDispose {
+            mediaSession?.release()
+            mediaSession = null
+        }
+    }
+
     Box(
         modifier = modifier
             .fillMaxSize()