无法获取网络上的投射设备列表 [英] Can't get a list of cast devices on the network

问题描述

我试图在Android中以编程方式获取演员表设备列表，而不使用SDK中的MediaRouteActionProvider按钮。

I'm trying to get a list of cast devices programmatically in Android, without using the MediaRouteActionProvider button in the SDK.

我像这样创建MediaRouter和MediaRouteSelector：

I create a MediaRouter and MediaRouteSelector like so:

mMediaRouter = MediaRouter.getInstance(this);
mMediaRouteSelector = new MediaRouteSelector.Builder()
   .addControlCategory(CastMediaControlIntent.CATEGORY_CAST)
   .build();

然后我开始发现：

mMediaRouter.addCallback(mMediaRouteSelector, mMediaRouterCallback,
   MediaRouter.CALLBACK_FLAG_PERFORM_ACTIVE_SCAN);

在onProviderAdded回调方法中，我似乎只得到了3个提供程序：Android，com.google.android .youtube和com.google.android.gms。只有 android会提供一条名为 Phone的路由。

In the onProviderAdded callback method, I only seem to get 3 providers: Android, com.google.android.youtube, and com.google.android.gms. Only 'android' provides a route, which is named 'Phone'.

为什么我的chromecast设备没有显示？

Why isn't my chromecast device showing up? Other apps can see it, so I should have connectivity.

推荐答案

好，对我有用的是：

在媒体路由器回调中添加onRouteAdded方法，并查找描述为 Chromecast的设备

Add the onRouteAdded method on your Media Router Callback and look for devices with the description: "Chromecast"

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