Protocollo <GCKGenericChannelDelega>
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Il protocollo delegato GCKGenericChannel.
Eredita <GCKCastChannelNSObject>.
| - (void) castChannel: |
|
(GCKGenericChannel *) |
channel |
| didReceiveTextMessage: |
|
(NSString *) |
message |
| withNamespace: |
|
(NSString *) |
protocolNamespace |
|
|
| |
Richiamato quando il canale riceve un SMS.
Richiamato quando il canale è connesso, a indicare che ora è possibile scambiare messaggi con il dispositivo di trasmissione tramite il canale.
- Parameters
-
Richiamato quando il canale viene disconnesso, a indicare che non è più possibile scambiare messaggi con il dispositivo di trasmissione tramite il canale.
- Parameters
-
| - (void) castChannel: |
|
(GCKCastChannel *) |
channel |
| didChangeWritableState: |
|
(BOOL) |
writable |
|
|
| |
|
optional |
Richiamato quando lo stato scrivibile del canale è cambiato.
- Parameters
-
| channel | The channel. |
| writable | Whether the channel is now writable. |
- Dal
- 4,0
Salvo quando diversamente specificato, i contenuti di questa pagina sono concessi in base alla licenza Creative Commons Attribution 4.0, mentre gli esempi di codice sono concessi in base alla licenza Apache 2.0. Per ulteriori dettagli, consulta le norme del sito di Google Developers. Java è un marchio registrato di Oracle e/o delle sue consociate.
Ultimo aggiornamento 2025-07-25 UTC.
[null,null,["Ultimo aggiornamento 2025-07-25 UTC."],[[["\u003cp\u003eThe \u003ccode\u003eGCKGenericChannelDelegate\u003c/code\u003e protocol defines methods for interacting with a generic Cast channel.\u003c/p\u003e\n"],["\u003cp\u003eIt provides callbacks for receiving text messages, connection status changes, and changes in the channel's writable state.\u003c/p\u003e\n"],["\u003cp\u003eDelegate methods allow developers to respond to events like receiving messages, channel connections, disconnections, and writability changes.\u003c/p\u003e\n"],["\u003cp\u003eThis protocol inherits from \u003ccode\u003eGCKCastChannelNSObject\u003c/code\u003e and is used when subclassing \u003ccode\u003eGCKCastChannel\u003c/code\u003e is not desired.\u003c/p\u003e\n"]]],["The `GCKGenericChannelDelegate` protocol defines methods for handling channel events. It notifies when a text message is received via `castChannel:didReceiveTextMessage:withNamespace:`. It also reports connection and disconnection events via `castChannelDidConnect:` and `castChannelDidDisconnect:`, enabling message exchange or indicating its termination. The protocol informs of changes in the channel's writable state through `castChannel:didChangeWritableState:`, specifying whether messages can be sent.\n"],null,["# <GCKGenericChannelDelegate> Protocol\n\n[Instance Methods](#pub-methods) \n\\\u003cGCKGenericChannelDelegate\\\u003e Protocol Reference \n\nOverview\n--------\n\nThe [GCKGenericChannel](/cast/docs/reference/ios/interface_g_c_k_generic_channel \"A generic GCKCastChannel implementation, suitable for use when subclassing is not desired...\") delegate protocol.\n\nInherits \\\u003cGCKCastChannelNSObject\\\u003e.\n\n|--------|-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|\n| Instance Method Summary ----------------------- ||\n| (void) | - [castChannel:didReceiveTextMessage:withNamespace:](/cast/docs/reference/ios/protocol_g_c_k_generic_channel_delegate-p#ae8380f775bf364ba52d607fe10fc35a1) |\n| | Called when a text message has been received on the channel. [More...](#ae8380f775bf364ba52d607fe10fc35a1) |\n| ||\n| (void) | - [castChannelDidConnect:](/cast/docs/reference/ios/protocol_g_c_k_generic_channel_delegate-p#a1ac3796c689bef52c383f4cf8be52e91) |\n| | Called when the channel has been connected, indicating that messages can now be exchanged with the Cast device over the channel. [More...](#a1ac3796c689bef52c383f4cf8be52e91) |\n| ||\n| (void) | - [castChannelDidDisconnect:](/cast/docs/reference/ios/protocol_g_c_k_generic_channel_delegate-p#a89dcc4de26fc009b16360fef56dc7bde) |\n| | Called when the channel has been disconnected, indicating that messages can no longer be exchanged with the Cast device over the channel. [More...](#a89dcc4de26fc009b16360fef56dc7bde) |\n| ||\n| (void) | - [castChannel:didChangeWritableState:](/cast/docs/reference/ios/protocol_g_c_k_generic_channel_delegate-p#a311e54518d64306de486bc0671bdce2c) |\n| | Called when the writable state of the channel has changed. [More...](#a311e54518d64306de486bc0671bdce2c) |\n| ||\n\nMethod Detail\n-------------\n\n|------------------------|---|------------------------------------------------------------------------------------|---------------------|\n| - (void) castChannel: | | ([GCKGenericChannel](/cast/docs/reference/ios/interface_g_c_k_generic_channel) \\*) | *channel* |\n| didReceiveTextMessage: | | (NSString \\*) | *message* |\n| withNamespace: | | (NSString \\*) | *protocolNamespace* |\n| | | | |\n\nCalled when a text message has been received on the channel. \n\n|-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|----------|\n| |---------------------------------|---|------------------------------------------------------------------------------------|-----------|---| | - (void) castChannelDidConnect: | | ([GCKGenericChannel](/cast/docs/reference/ios/interface_g_c_k_generic_channel) \\*) | *channel* | | | optional |\n\nCalled when the channel has been connected, indicating that messages can now be exchanged with the Cast device over the channel.\n\nParameters\n:\n\n |---------|--------------|\n | channel | The channel. |\n\n\n|-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|----------|\n| |------------------------------------|---|------------------------------------------------------------------------------------|-----------|---| | - (void) castChannelDidDisconnect: | | ([GCKGenericChannel](/cast/docs/reference/ios/interface_g_c_k_generic_channel) \\*) | *channel* | | | optional |\n\nCalled when the channel has been disconnected, indicating that messages can no longer be exchanged with the Cast device over the channel.\n\nParameters\n:\n\n |---------|--------------|\n | channel | The channel. |\n\n\n|-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|----------|\n| |-------------------------|---|------------------------------------------------------------------------------|------------| | - (void) castChannel: | | ([GCKCastChannel](/cast/docs/reference/ios/interface_g_c_k_cast_channel) \\*) | *channel* | | didChangeWritableState: | | (BOOL) | *writable* | | | | | | | optional |\n\nCalled when the writable state of the channel has changed.\n\nParameters\n:\n\n |----------|--------------------------------------|\n | channel | The channel. |\n | writable | Whether the channel is now writable. |\n\n\nSince\n: 4.0"]]
