如果我们有链接，我们可以从 Android 应用程序打开 YouTube 直播链接吗？ 如果是的话请解释一下如何？
或者
假设我有直播链接，我可以打开 Youtube 应用程序并直接在我自己的 Android 应用程序的网页视图或 YouTube 应用程序中转到该直播视频吗？
这是我的应用程序中使用的代码
/**
* <h1>YoutubePrizeFragment</h1>
*
* **YoutubePrizeFragment** UI for prize
* upload a Youtube video as a reward
*
* Refer to [stackoverflow](https://stackoverflow.com/questions/4654878/how-to-play-youtube-video-in-my-android-application)
* answer of [JanB](https://stackoverflow.com/users/957925/janb)
*
* @version 5.0, 01/04/2024
*/
class YoutubePrizeFragment : Fragment() {
lateinit var rootView: View
var textView: TextView? = null
lateinit var ctext: Context
//
var mWebView: WebView? = null
val videoStr1 = "<html><body>Promo video from <br>"
val videoStr2Portrait =
"<iframe width=\"426\" height=\"240\" src=\"https://www.youtube.com/embed/"
val videoStr2Landscape =
"<iframe width=\"213\" height=\"120\" src=\"https://www.youtube.com/embed/"
val videoStr3 = "\" frameborder=\"0\" allowfullscreen></iframe></body></html>"
val wwwUrlSplitBy = "v="
val androidUrlSplitBy = "be/"
//
lateinit var listener: onFragmentEventListenerYoutubePrize
/**
* <h1>onFragmentEventListenerYoutubePrize</h1>
*
* **onFragmentEventListenerYoutubePrize**
* interface used to refer to the Activity without having to explicitly use its class
*
*
*
* @see onAttach
*/
interface onFragmentEventListenerYoutubePrize {
// insert here any references to the Activity
fun receiveResultImagesFromYoutubePrizeFragment(v: View?)
fun receiveResultOnCompletatioVideoFromYoutubePrizeFragment(v: View?)
}
/**
* listener setting for game activities callbacks , context annotation
*
* @see Fragment.onAttach
*/
override fun onAttach(context: Context) {
super.onAttach(context)
val activity = context as Activity
listener = activity as onFragmentEventListenerYoutubePrize
//
ctext = context
}
/**
* prepares the ui and makes the callback to the activity
*
*
*
* @see Fragment.onCreateView
*
* @see WebViewClient
*/
override fun onCreateView(
inflater: LayoutInflater,
container: ViewGroup?,
savedInstanceState: Bundle?
): View {
rootView = inflater.inflate(R.layout.activity_game_prize_youtube, container, false)
//
mWebView = rootView.findViewById<View>(R.id.youtubevideoview) as WebView
//
val bundle = this.arguments
var uriPremiumVideo: String? = ""
if (bundle != null) {
uriPremiumVideo = bundle.getString(getString(R.string.uri_premium_video))
}
//
if (!uriPremiumVideo!!.uppercase(Locale.getDefault()).contains(
wwwUrlSplitBy.uppercase(
Locale.getDefault()
)
) &&
!uriPremiumVideo.uppercase(Locale.getDefault())
.contains(androidUrlSplitBy.uppercase(Locale.getDefault()))
) {
// if the video award does not exist, it warns the activity that the award
// has been completed and therefore you can continue
mWebView!!.visibility = View.INVISIBLE
//
listener.receiveResultOnCompletatioVideoFromYoutubePrizeFragment(rootView)
} else {
// build your own src link with your video ID
val oneWord: Array<String?>
oneWord = if (uriPremiumVideo.uppercase(Locale.getDefault()).contains(
wwwUrlSplitBy.uppercase(
Locale.getDefault()
)
)
) {
uriPremiumVideo.split(wwwUrlSplitBy).dropLastWhile { it.isEmpty() }.toTypedArray()
} else {
uriPremiumVideo.split(androidUrlSplitBy).dropLastWhile { it.isEmpty() }
.toTypedArray()
}
// builds the src link (including size and address)
// The Right YouTube Dimensions = 426X240
val orientation = this.resources.configuration.orientation
val videoStr: String
videoStr = if (orientation == Configuration.ORIENTATION_PORTRAIT) {
// code for portrait mode
videoStr1 + uriPremiumVideo + videoStr2Portrait + oneWord[1] + videoStr3
} else {
// code for landscape mode
videoStr1 + uriPremiumVideo + videoStr2Landscape + oneWord[1] + videoStr3
}
//
mWebView!!.webViewClient = object : WebViewClient() {
override fun shouldOverrideUrlLoading(
view: WebView,
request: WebResourceRequest
): Boolean {
return false
}
override fun onPageStarted(view: WebView, url: String, favicon: Bitmap?) {
val TIME_OUT = 180000
Handler(Looper.getMainLooper()).postDelayed({
listener.receiveResultOnCompletatioVideoFromYoutubePrizeFragment(
rootView
)
}, TIME_OUT.toLong())
}
}
val ws = mWebView!!.settings
ws.javaScriptEnabled = true
mWebView!!.loadData(videoStr, "text/html", "utf-8")
}
listener.receiveResultImagesFromYoutubePrizeFragment(rootView)
return rootView
}
/**
* destroy WebView
*
*
*
* @see Fragment.onDestroyView
*/
override fun onDestroyView() {
mWebView!!.destroy()
mWebView = null
super.onDestroyView()
}
}