Apply spotless and fix build issue

Author: Aman Choudhary

misc/src/main/java/com/example/snippets/InspectorModuleJavaSnippets.java

@@ -1,3 +1,19 @@
+/*
+ * Copyright 2025 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
 package com.example.snippets;
 
 import android.content.Context;

misc/src/main/java/com/example/snippets/InspectorModuleKotlinSnippets.kt

@@ -1,3 +1,19 @@
+/*
+ * Copyright 2025 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
 package com.example.snippets
 
 import android.content.Context
@@ -11,9 +27,9 @@ import androidx.media3.exoplayer.MediaExtractorCompat
 import androidx.media3.exoplayer.source.TrackGroupArray
 import androidx.media3.inspector.FrameExtractor
 import androidx.media3.inspector.MetadataRetriever
-import kotlinx.coroutines.guava.await
 import java.io.IOException
 import java.nio.ByteBuffer
+import kotlinx.coroutines.guava.await
 
 const val TAG = "InspectorModuleLog"
 
@@ -58,7 +74,7 @@ class InspectorModuleKotlinSnippets {
     // [END android_media3_inspector_FrameExtractor_kotlin]
 
     // [START android_media3_inspector_MediaExtractorCompat_kotlin]
-    fun extractSamples(context: Context, mediaPath: String){
+    fun extractSamples(context: Context, mediaPath: String) {
         val extractor = MediaExtractorCompat(context)
         try {
             // 1. Setup the extractor
@@ -97,5 +113,4 @@ class InspectorModuleKotlinSnippets {
         Log.d(TAG, "Timeline: $timeline us")
         Log.d(TAG, "Duration: $durationUs us")
     }
-
-}
+}

misc/src/main/java/com/example/snippets/PreloadManagerKotlinSnippets.kt

@@ -37,7 +37,7 @@ class MyTargetPreloadStatusControl(
     currentPlayingIndex: Int = C.INDEX_UNSET
 ) : TargetPreloadStatusControl<Int, DefaultPreloadManager.PreloadStatus> {
 
-    override fun getTargetPreloadStatus(index: Int): DefaultPreloadManager.PreloadStatus? {
+    override fun getTargetPreloadStatus(index: Int): DefaultPreloadManager.PreloadStatus {
         if (index - currentPlayingIndex == 1) { // next track
             // return a PreloadStatus that is labelled by STAGE_SPECIFIED_RANGE_LOADED and
             // suggest loading 3000ms from the default start position
@@ -48,12 +48,12 @@ class MyTargetPreloadStatusControl(
             return DefaultPreloadManager.PreloadStatus.specifiedRangeLoaded(3000L)
         } else if (abs(index - currentPlayingIndex) == 2) {
             // return a PreloadStatus that is labelled by STAGE_TRACKS_SELECTED
-            return DefaultPreloadManager.PreloadStatus.TRACKS_SELECTED
+            return DefaultPreloadManager.PreloadStatus.PRELOAD_STATUS_TRACKS_SELECTED
         } else if (abs(index - currentPlayingIndex) <= 4) {
             // return a PreloadStatus that is labelled by STAGE_SOURCE_PREPARED
-            return DefaultPreloadManager.PreloadStatus.SOURCE_PREPARED
+            return DefaultPreloadManager.PreloadStatus.PRELOAD_STATUS_SOURCE_PREPARED
         }
-        return null
+        return DefaultPreloadManager.PreloadStatus.PRELOAD_STATUS_NOT_PRELOADED
     }
 }
 // [END android_defaultpreloadmanager_MyTargetPreloadStatusControl]