视频播放2

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

@@ -1,16 +1,25 @@
 package com.example.defenseapplication.liveVideo
 
+import android.content.res.Configuration
 import android.graphics.Color
 import android.os.Bundle
+import android.util.Log
+import android.view.View
+import android.widget.LinearLayout
+import android.widget.Toast
+import androidx.activity.OnBackPressedCallback
 import androidx.appcompat.app.AppCompatActivity
 import androidx.recyclerview.widget.LinearLayoutManager
+import chuangyuan.ycj.videolibrary.listener.VideoInfoListener
+import chuangyuan.ycj.videolibrary.video.ExoUserPlayer
+import chuangyuan.ycj.videolibrary.video.VideoPlayerManager
+import com.example.defenseapplication.R
 import com.example.defenseapplication.adapter.AlarmLogAdapter
 import com.example.defenseapplication.databinding.AlarmLogActivityBinding
 import com.gyf.immersionbar.ImmersionBar
 import java.util.*
 import com.bigkoo.pickerview.builder.TimePickerBuilder
 import com.bigkoo.pickerview.listener.OnTimeSelectListener
-import com.example.defenseapplication.R
 
 //告警记录
 class AlarmLogActivity : AppCompatActivity() {
@@ -18,6 +27,7 @@ class AlarmLogActivity : AppCompatActivity() {
     private lateinit var calendar: Calendar
     private var adapter: AlarmLogAdapter? = null
     private val alarmList = mutableListOf<String>()
+    private lateinit var exoPlayerManager: ExoUserPlayer
 
     override fun onCreate(savedInstanceState: Bundle?) {
         super.onCreate(savedInstanceState)
@@ -25,14 +35,65 @@ class AlarmLogActivity : AppCompatActivity() {
         setContentView(binding.root)
         ImmersionBar.with(this)
             .statusBarDarkFont(true)
-            .titleBar(binding.topBar)
+            .titleBar(binding.exoPlayContextId)
             .init()
 
         calendar = Calendar.getInstance()
         updateDateDisplay()
+        initVideoPlayer()
         initRecyclerView()
         loadAlarmList()
         initListener()
+
+        onBackPressedDispatcher.addCallback(this, object : OnBackPressedCallback(true) {
+            override fun handleOnBackPressed() {
+                if (exoPlayerManager.onBackPressed()) {
+                    return
+                }
+                finish()
+            }
+        })
+    }
+
+    private fun dpToPx(dp: Int): Int {
+        val density = resources.displayMetrics.density
+        return (dp * density).toInt()
+    }
+
+    private fun initVideoPlayer() {
+        val videoPlayerView = binding.exoPlayContextId
+
+        exoPlayerManager = VideoPlayerManager.Builder(VideoPlayerManager.TYPE_PLAY_GESTURE, videoPlayerView)
+            .setPlayUri("https://media.w3.org/2010/05/sintel/trailer.mp4")
+            .setPosition(0)
+            .addVideoInfoListener(object : VideoInfoListener {
+                override fun onPlayStart(p0: Long) {
+                    Log.d("AlarmLogActivity", "视频开始播放")
+                }
+
+                override fun onLoadingChanged() {
+                    // 视频加载状态变化
+                }
+
+                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) {
+                    // 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()
+
+        exoPlayerManager.startPlayer()
     }
 
     private fun initRecyclerView() {
@@ -58,14 +119,52 @@ class AlarmLogActivity : AppCompatActivity() {
     }
 
     private fun initListener() {
-        binding.btnBack.setOnClickListener {
-            finish()
-        }
         binding.expandImg.setOnClickListener {
             showDatePicker()
         }
     }
 
+    override fun onResume() {
+        super.onResume()
+        exoPlayerManager.onResume()
+    }
+
+    override fun onPause() {
+        super.onPause()
+        exoPlayerManager.onPause()
+    }
+
+    override fun onDestroy() {
+        super.onDestroy()
+        exoPlayerManager.onDestroy()
+    }
+
+    override fun onConfigurationChanged(newConfig: Configuration) {
+        super.onConfigurationChanged(newConfig)
+        
+        if (newConfig.orientation == Configuration.ORIENTATION_LANDSCAPE) {
+            // 进入横屏（全屏）模式
+            binding.titleLayout.visibility = View.GONE
+            binding.alarmListRecyclerView.visibility = View.GONE
+            
+            val params = binding.exoPlayContextId.layoutParams
+            params.width = LinearLayout.LayoutParams.MATCH_PARENT
+            params.height = LinearLayout.LayoutParams.MATCH_PARENT
+            binding.exoPlayContextId.layoutParams = params
+        } else if (newConfig.orientation == Configuration.ORIENTATION_PORTRAIT) {
+            // 进入竖屏（非全屏）模式
+            binding.titleLayout.visibility = View.VISIBLE
+            binding.alarmListRecyclerView.visibility = View.VISIBLE
+            
+            val params = binding.exoPlayContextId.layoutParams
+            params.width = LinearLayout.LayoutParams.MATCH_PARENT
+            params.height = dpToPx(250)
+            binding.exoPlayContextId.layoutParams = params
+        }
+        
+        exoPlayerManager.onConfigurationChanged(newConfig)
+    }
+
     private fun showDatePicker() {
         val timePicker = TimePickerBuilder(this, OnTimeSelectListener { date, _ ->
             calendar.time = date