feat:完善Exoplayer

feat:新增资源下载（Glide版本）未测试验证是否有bug

library/src/module_core/java/com/chuhai/core/download/DownloadException.kt

@@ -0,0 +1,17 @@
+package com.chuhai.core.download
+
+import com.chuhai.core.exceptions.SuperException
+
+/**
+ * Created by Max on 2022/5/12 21:05
+ * Desc:下载异常
+ **/
+class DownloadException : SuperException {
+
+    constructor(message: String) : super(message)
+
+    constructor(throwable: Throwable) : super(
+        throwable
+    ) {
+    }
+}

library/src/module_core/java/com/chuhai/core/download/DownloadListener.kt

@@ -0,0 +1,21 @@
+package com.chuhai.core.download
+
+import java.io.File
+
+
+/**
+ * Created by Max on 3/6/21 10:29 AM
+ * Desc:下载监听器
+ */
+interface DownloadListener {
+
+    /**
+     * 下载完成
+     */
+    fun onDownloadCompleted(result: File) {}
+
+    /**
+     * 下载异常
+     */
+    fun onDownloadError(exception: DownloadException) {}
+}

library/src/module_core/java/com/chuhai/core/player/IPlayer.kt

@@ -13,7 +13,7 @@ interface IPlayer : ICleared {
     /**
      * 绑定页面生命周期
      */
-    fun bindingLifeCycle(lifecycleOwner: LifecycleOwner)
+    fun bindLifeCycle(lifecycleOwner: LifecycleOwner)
 
     /**
      * 加载视频源（加载后根据playWhenReady觉得是否播放）

library/src/module_core/java/com/chuhai/core/player/download/GlideDownload.kt

@@ -0,0 +1,60 @@
+package com.chuhai.core.player.download
+
+import android.graphics.drawable.Drawable
+import com.bumptech.glide.Glide
+import com.bumptech.glide.request.target.CustomTarget
+import com.bumptech.glide.request.transition.Transition
+import com.chuhai.core.download.DownloadException
+import com.chuhai.core.download.DownloadListener
+import com.chuhai.utils.AppUtils
+import com.chuhai.utils.log.ILog
+import java.io.File
+
+/**
+ * Created by Max on 2023/11/3 12:11
+ * Desc:Glide 实现下载器功能
+ * PS：没有在项目中找到下载器组件，之前的VAP视频是通过Glide下载的，这里暂且也采用这种方式，后续考虑搞个独立的下载组件！！
+ * TODO ⚠️写好后还未测试验证是否有bug
+ **/
+class GlideDownload(private val timeout: Int = 15000) : MediaDownloader, ILog {
+
+    private val targetList: ArrayList<CustomTarget<File>> by lazy {
+        ArrayList()
+    }
+
+    override fun download(url: String, listener: DownloadListener) {
+        val target = object : CustomTarget<File>() {
+            override fun onResourceReady(resource: File, transition: Transition<in File>?) {
+                targetList.remove(this)
+                listener.onDownloadCompleted(resource)
+            }
+
+            override fun onLoadFailed(errorDrawable: Drawable?) {
+                super.onLoadFailed(errorDrawable)
+                targetList.remove(this)
+                listener.onDownloadError(DownloadException("下载失败"))
+            }
+
+            override fun onLoadCleared(placeholder: Drawable?) {
+            }
+        }
+        Glide.with(AppUtils.getApp())
+            .asFile()
+            .dontTransform()
+            .timeout(timeout)
+            .load(url).into(target)
+        targetList.add(target)
+    }
+
+    override fun onCleared() {
+        super.onCleared()
+        try {
+            targetList.forEach {
+                Glide.with(AppUtils.getApp()).clear(it)
+            }
+        } catch (e: Exception) {
+            e.printStackTrace()
+        }
+        targetList.clear()
+    }
+}

library/src/module_core/java/com/chuhai/core/player/download/MediaDownloader.kt

@@ -0,0 +1,23 @@
+package com.chuhai.core.player.download
+
+import com.chuhai.core.download.DownloadListener
+import com.chuhai.utils.ICleared
+
+/**
+ * Created by Max on 2023/11/3 12:45
+ * Desc:媒体资源下载器
+ */
+interface MediaDownloader : ICleared {
+
+    /**
+     * 下载
+     */
+    fun download(url: String, listener: DownloadListener)
+
+    /**
+     * 释放
+     */
+    override fun onCleared() {
+        super.onCleared()
+    }
+}

library/src/module_core/java/com/chuhai/core/player/exo/ExoPlayer.kt

@@ -3,12 +3,15 @@ package com.chuhai.core.player.exo
 import android.content.Context
 import android.util.AttributeSet
 import android.view.View
+import androidx.lifecycle.Lifecycle
+import androidx.lifecycle.LifecycleEventObserver
 import androidx.lifecycle.LifecycleOwner
 import com.chuhai.core.player.IPlayer
-import com.chuhai.core.player.PlayerListener
-import com.chuhai.core.player.PlayerMediaItem
 import com.chuhai.core.player.PlaybackState
 import com.chuhai.core.player.PlayerException
+import com.chuhai.core.player.PlayerListener
+import com.chuhai.core.player.PlayerMediaItem
+import com.google.android.exoplayer2.DefaultLoadControl
 import com.google.android.exoplayer2.MediaItem
 import com.google.android.exoplayer2.PlaybackException
 import com.google.android.exoplayer2.Player
@@ -20,7 +23,7 @@ import com.google.android.exoplayer2.ExoPlayer as ExoPlayerImpl
  * Created by Max on 2023/11/2 14:50
  * Desc:基于Exo
  **/
-class ExoPlayer : StyledPlayerView, IPlayer {
+class ExoPlayer : StyledPlayerView, IPlayer, LifecycleEventObserver {
 
     private var currentItem: ExoMediaItem? = null
 
@@ -30,6 +33,9 @@ class ExoPlayer : StyledPlayerView, IPlayer {
 
     private var listenerAdapter: Player.Listener? = null
 
+    // 操作的记录（用于感知生命周期恢复播放或其他场景的判断）
+    private var playWhenReadyBackup = getPlayWhenReady()
+
     constructor(context: Context) : this(context, null)
     constructor(context: Context, attrs: AttributeSet?) : this(context, attrs, 0)
     constructor(context: Context, attrs: AttributeSet?, defStyleAttr: Int) : super(
@@ -37,11 +43,23 @@ class ExoPlayer : StyledPlayerView, IPlayer {
         attrs,
         defStyleAttr
     ) {
-        player = ExoPlayerImpl.Builder(context).build()
+        /**
+         * 缓冲策略：目前先用默认的，后续结合需求场景再调整
+         */
+        val loadControl = DefaultLoadControl.Builder()
+            .setBufferDurationsMs(
+                DefaultLoadControl.DEFAULT_MIN_BUFFER_MS,
+                DefaultLoadControl.DEFAULT_MAX_BUFFER_MS,
+                DefaultLoadControl.DEFAULT_BUFFER_FOR_PLAYBACK_MS,
+                DefaultLoadControl.DEFAULT_BUFFER_FOR_PLAYBACK_AFTER_REBUFFER_MS
+            ).build()
+        player = ExoPlayerImpl.Builder(context).setLoadControl(loadControl).build()
+        useController = false
         setPlayer(player)
     }
 
-    override fun bindingLifeCycle(lifecycleOwner: LifecycleOwner) {
+    override fun bindLifeCycle(lifecycleOwner: LifecycleOwner) {
+        lifecycleOwner.lifecycle.addObserver(this)
     }
 
     override fun prepare(item: PlayerMediaItem) {
@@ -60,6 +78,7 @@ class ExoPlayer : StyledPlayerView, IPlayer {
 
     override fun setPlayWhenReady(playWhenReady: Boolean) {
         this.player.playWhenReady = playWhenReady
+        this.playWhenReadyBackup = playWhenReady
     }
 
     override fun getPlayWhenReady(): Boolean {
@@ -133,4 +152,21 @@ class ExoPlayer : StyledPlayerView, IPlayer {
         this.currentItem?.onCleared()
         this.currentItem = null
     }
+
+    override fun onStateChanged(source: LifecycleOwner, event: Lifecycle.Event) {
+        // TODO 这个方法的代码 还未进行测试，目前需求貌似用不上，后续需要再验证！
+        when (event) {
+            Lifecycle.Event.ON_RESUME -> {
+                setPlayWhenReady(playWhenReadyBackup)
+            }
+
+            Lifecycle.Event.ON_PAUSE -> {
+                player.playWhenReady = false
+            }
+
+            Lifecycle.Event.ON_DESTROY -> {
+                onCleared()
+            }
+        }
+    }
 }