设备告警日志功能逻辑

app/src/main/java/com/example/defenseapplication/liveVideo/AlarmLogActivity.kt

@@ -42,6 +42,10 @@ class AlarmLogActivity : AppCompatActivity() {
     private var isLightOn = false
     private var deviceId: String? = null
     private var isLoading = false
+    private var fromLiveVideo = false
+    private var passedVideoUrl: String? = null
+    private var passedSelectedId: String? = null
+    private var passedCreateTime: String? = null
 
     override fun onCreate(savedInstanceState: Bundle?) {
         super.onCreate(savedInstanceState)
@@ -53,6 +57,10 @@ class AlarmLogActivity : AppCompatActivity() {
             .init()
 
         deviceId = intent.getStringExtra("device_id")
+        fromLiveVideo = intent.getBooleanExtra("from_live_video", false)
+        passedVideoUrl = intent.getStringExtra("video_url")
+        passedSelectedId = intent.getStringExtra("selected_id")
+        passedCreateTime = intent.getStringExtra("create_time")
         calendar = Calendar.getInstance()
         updateDateDisplay()
         initVideoPlayer()
@@ -77,9 +85,14 @@ class AlarmLogActivity : AppCompatActivity() {
 
     private fun initVideoPlayer() {
         val videoPlayerView = binding.exoPlayContextId
+        val videoUri = if (fromLiveVideo && !passedVideoUrl.isNullOrEmpty()) {
+            passedVideoUrl!!
+        } else {
+            "https://media.w3.org/2010/05/sintel/trailer.mp4"
+        }
 
         exoPlayerManager = VideoPlayerManager.Builder(VideoPlayerManager.TYPE_PLAY_GESTURE, videoPlayerView)
-            .setPlayUri("https://media.w3.org/2010/05/sintel/trailer.mp4")
+            .setPlayUri(videoUri)
             .setPosition(0)
             .addVideoInfoListener(object : VideoInfoListener {
                 override fun onPlayStart(p0: Long) {
@@ -87,7 +100,6 @@ class AlarmLogActivity : AppCompatActivity() {
                 }
 
                 override fun onLoadingChanged() {
-                    // 视频加载状态变化
                 }
 
                 override fun onPlayerError(p0: com.google.android.exoplayer2.ExoPlaybackException?) {
@@ -99,11 +111,9 @@ class AlarmLogActivity : AppCompatActivity() {
                 }
 
                 override fun isPlaying(p0: Boolean) {
-                    // p0 表示当前是否正在播放
                 }
 
                 fun onRepeatModeChanged(p0: Int) {
-                    // 循环模式改变时的回调
                 }
             })
             .create()
@@ -145,10 +155,49 @@ class AlarmLogActivity : AppCompatActivity() {
     }
 
     private fun initRecyclerView() {
-        adapter = AlarmLogAdapter(alarmList)
+        adapter = AlarmLogAdapter(alarmList) { item ->
+            if (!item.video.isNullOrEmpty()) {
+                playVideo(item.video!!)
+            } else {
+                Toast.makeText(this, "该告警记录没有视频", Toast.LENGTH_SHORT).show()
+            }
+        }
         binding.alarmListRecyclerView.layoutManager = LinearLayoutManager(this)
         binding.alarmListRecyclerView.adapter = adapter
     }
+    
+    private fun playVideo(videoUrl: String) {
+        exoPlayerManager.onDestroy()
+        
+        exoPlayerManager = VideoPlayerManager.Builder(VideoPlayerManager.TYPE_PLAY_GESTURE, binding.exoPlayContextId)
+            .setPlayUri(videoUrl)
+            .setPosition(0)
+            .addVideoInfoListener(object : VideoInfoListener {
+                override fun onPlayStart(p0: Long) {
+                    Log.d("AlarmLogActivity", "视频开始播放")
+                }
+
+                override fun onLoadingChanged() {
+                }
+
+                override fun onPlayerError(p0: com.google.android.exoplayer2.ExoPlaybackException?) {
+                    Toast.makeText(this@AlarmLogActivity, "播放失败", Toast.LENGTH_SHORT).show()
+                }
+
+                override fun onPlayEnd() {
+                    Log.d("AlarmLogActivity", "播放结束")
+                }
+
+                override fun isPlaying(p0: Boolean) {
+                }
+
+                fun onRepeatModeChanged(p0: Int) {
+                }
+            })
+            .create()
+        
+        exoPlayerManager.startPlayer()
+    }
 
     private fun fetchAlarmList() {
         val currentDeviceId = deviceId ?: return
@@ -297,6 +346,7 @@ class AlarmLogActivity : AppCompatActivity() {
             .setTextColorCenter(Color.parseColor("#09C2BD"))//选中颜色
             .setLineSpacingMultiplier(2.5f)//行间距倍数
             .setItemVisibleCount(5)//可见项数量
+            .setDate(calendar) // 设置默认选中日期为tvDate显示的日期
             .build()
         timePicker.show()
     }