Android音视频开发之GSYVideoPlayer

今天，和大家分享一个开源的多功能视频播放器 — GSYVideoPlayer，支持弹幕，滤镜、水印、gif截图，片头广告，声音、亮度调节等众多功能，这里就利用它来实现一个标准的视频播放器，那么，话不多说，Go ~

引入依赖

        maven { url 'https://jitpack.io' }
        maven { url "https://maven.aliyun.com/repository/public" }
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    //完整版引入
    implementation 'com.github.CarGuo.GSYVideoPlayer:GSYVideoPlayer:v8.3.3-release-jitpack'
    //是否需要AliPlayer模式
    implementation 'com.github.CarGuo.GSYVideoPlayer:GSYVideoPlayer-aliplay:v8.3.3-release-jitpack'
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设置 Activity 的 configChanges 和 screenOrientation

        <activity
            android:name=".MainActivity"
            android:exported="true"
            android:configChanges="keyboard|keyboardHidden|orientation|screenSize|screenLayout|smallestScreenSize|uiMode"
            android:screenOrientation="fullSensor" >
            <intent-filter>
                <action android:name="android.intent.action.MAIN" />

                <category android:name="android.intent.category.LAUNCHER" />
            intent-filter>
        activity>
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<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    tools:context=".MainActivity">

    <com.shuyu.gsyvideoplayer.video.StandardGSYVideoPlayer
        android:id="@+id/videoPlayer"
        android:layout_width="match_parent"
        android:layout_height="match_parent" />

LinearLayout>
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设置要播放的视频链接

        videoPlayer = findViewById(R.id.videoPlayer)
        videoPlayer.setUp(videoUrl, true, "title")
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如果你想添加视频封面的话，可以这样设置

        val coverImg = ImageView(this)
        coverImg.setImageResource(R.drawable.cover)
        videoPlayer.thumbImageView = coverImg
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隐藏自带的标题和返回键

        videoPlayer.titleTextView.visibility = View.GONE
        videoPlayer.backButton.visibility = View.GONE
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设置旋转，横屏显示

        orientationUtils = OrientationUtils(this, videoPlayer)
        videoPlayer.fullscreenButton.setOnClickListener {
            orientationUtils.resolveByClick()
        }
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开始播放

        videoPlayer.startPlayLogic()
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除此之外，还需处理一下生命周期

    override fun onPause() {
        super.onPause()
        videoPlayer.onVideoPause()
    }

    override fun onResume() {
        super.onResume()
        videoPlayer.onVideoResume()
    }

    override fun onDestroy() {
        super.onDestroy()
        GSYVideoManager.releaseAllVideos()
        orientationUtils.releaseListener()
    }
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在横屏时，如果想点击返回键回到竖屏而不是退出的话，需要重写 onBackPressed

    override fun onBackPressed() {
        if (orientationUtils.screenType == ActivityInfo.SCREEN_ORIENTATION_LANDSCAPE) {
            videoPlayer.fullscreenButton.performClick()
            return
        }
        videoPlayer.setVideoAllCallBack(null)
        super.onBackPressed()
    }
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如果，视频是以列表的形式展现的话，也是OK的，首先搞个RecyclerView

<androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    tools:context=".VideoListActivity">

    <androidx.recyclerview.widget.RecyclerView
        android:id="@+id/video_recyclerView"
        android:layout_width="match_parent"
        android:layout_height="match_parent" />

androidx.constraintlayout.widget.ConstraintLayout>
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编写item布局

<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="match_parent"
    android:layout_height="wrap_content"
    android:paddingBottom="30dp">

    <com.shuyu.gsyvideoplayer.video.StandardGSYVideoPlayer
        android:id="@+id/item_player"
        android:layout_width="match_parent"
        android:layout_height="300dp" />

LinearLayout>
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RecyclerView适配器

class VideoAdapter(private val urlList: List<String>, private val context: Context) :
    RecyclerView.Adapter<VideoAdapter.ViewHolder>() {

    inner class ViewHolder(view: View) : RecyclerView.ViewHolder(view) {
        val itemPlayer: StandardGSYVideoPlayer = view.findViewById(R.id.item_player)
    }

    override fun onCreateViewHolder(parent: ViewGroup, viewType: Int): ViewHolder {
        val view = LayoutInflater.from(context).inflate(R.layout.item_video, parent, false)
        return ViewHolder(view)
    }

    override fun onBindViewHolder(holder: ViewHolder, position: Int) {
        //配置StandardGSYVideoPlayer
        with(holder.itemPlayer) {
            setUpLazy(urlList[position], true, null, null, "title")
            //隐藏标题和返回键
            titleTextView.visibility = View.GONE
            backButton.visibility = View.GONE
            //全屏按键
            fullscreenButton.setOnClickListener {
                holder.itemPlayer.startWindowFullscreen(context, false, true)
            }
            //防止错位设置
            playPosition = position
            //是否根据视频尺寸，自动选择横竖屏全屏
            isAutoFullWithSize = true
            //音频焦点冲突时是否释放
            isReleaseWhenLossAudio = false
            //全屏动画
            isShowFullAnimation = true
            //不能触摸滑动
            setIsTouchWiget(false)

        }
    }

    override fun getItemCount() = urlList.size
}
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Activity

        val videoRecyclerView = findViewById<RecyclerView>(R.id.video_recyclerView)

        val layoutManager = LinearLayoutManager(this, LinearLayoutManager.VERTICAL, false)
        videoRecyclerView.layoutManager = layoutManager
        //GlobalUrl.urlList为视频链接集合
        val videoAdapter = VideoAdapter(GlobalUrl.urlList, this)
        videoRecyclerView.adapter = videoAdapter

        videoRecyclerView.addOnScrollListener(object : RecyclerView.OnScrollListener() {
            override fun onScrolled(recyclerView: RecyclerView, dx: Int, dy: Int) {
                super.onScrolled(recyclerView, dx, dy)
                //可见区域的第一个item
                val firstPosition = layoutManager.findFirstVisibleItemPosition()
                //可见区域的最后一个item
                val lastPosition = layoutManager.findLastVisibleItemPosition()
                //播放的位置
                val playPosition = GSYVideoManager.instance().playPosition
                if (playPosition >= 0) { //说明有播放
                    if (playPosition < firstPosition || playPosition > lastPosition) {
                        if (GSYVideoManager.isFullState(this@VideoListActivity)) {
                            return
                        }
                        GSYVideoManager.releaseAllVideos()
                        videoAdapter.notifyDataSetChanged()
                    }
                }
            }
        })
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别忘了对返回键和生命周期的处理哦

    override fun onBackPressed() {
        super.onBackPressed()
        if (GSYVideoManager.backFromWindowFull(this)) {
            return
        }
        super.onBackPressed()
    }

    override fun onPause() {
        super.onPause()
        GSYVideoManager.onPause()
    }

    override fun onResume() {
        super.onResume()
        GSYVideoManager.onResume()
    }

    override fun onDestroy() {
        super.onDestroy()
        GSYVideoManager.releaseAllVideos()
    }
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