Vega频道集成

"dependencies": {
  "@amazon-devices/kepler-channel": "~1.1.0",
}

[components]
## 定义应用的交互组件（如果尚不存在）
[[components.interactive]]
id = "<程序包ID>.main"
runtime-module = "/com.amazon.kepler.keplerscript.runtime.loader_2@IKeplerScript_2_0"
launch-type = "singleton"
categories = ["com.amazon.category.main", "com.amazon.category.kepler.media"]

[[extras]]
## “interface.provider”指定一个组件，
## 该组件提供特定接口的实现
key = "interface.provider"
## 声明提供接口实现的组件。
## 此组件必须在 [[components.interactive]] 下定义并
## 在其类别中的包含“com.amazon.category.kepler.media”。
component-id="<程序包ID>.main"

[extras.value.application]
## 声明支持Vega频道
[[extras.value.application.interface]]
interface_name = "com.amazon.kepler.media.IChannelServer"
features = ["ChannelList"]

[extras.value.application]
## IChannelServer接口
[[extras.value.application.interface]]
interface_name = "com.amazon.kepler.media.IChannelServer"
features = ["ChannelList"]

## IContentLauncherServer接口
[[extras.value.application.interface]]
interface_name = "com.amazon.kepler.media.IContentLauncherServer"
attribute_options = ["partner-id"]
[extras.value.application.interface.static_values]
partner-id = "<合作伙伴ID>"

[extras.value.application]

[[extras.value.application.interface]]
interface_name = "com.amazon.kepler.media.IContentLauncherServer"
attribute_options = ["partner-id"]

[[extras.value.application.interface]]
interface_name = "com.amazon.kepler.media.IChannelServer"
features = ["ChannelList"]

[extras.value.application.interface.static_values]
partner-id = "<合作伙伴ID>"

import {
  ChannelServerComponent2,
  ChangeChannelStatus,
  IChannelHandler,
  IChangeChannelResponse,
  OperationError,
} from '@amazon-devices/kepler-channel';

/**
 * 实现Vega频道接口的处理程序
 */
const channelTunerHandler: IChannelHandler = {
  async handleChangeChannel(
    channelIdentifier: string,
  ): Promise<IChangeChannelResponse> {

    /**
     * 此处${channelIdentifier}的值将包含
     * 来自Vega EPG提供方的ChannelDescriptor.Identifier字段的数据
     *（如果在EPG引入期间提供了该字段）。
     */

    // 在此处添加调谐到${channelIdentifier}所需的业务逻辑。

    const response = ChannelServerComponent2.makeChannelResponseBuilder()
      .status(ChangeChannelStatus.SUCCESS)
      .build();
    return Promise.resolve(response);

  },

    /**
     * 不应使用handleChangeChannelByNumber，而是应改为实现和使用handleChangeChannel
     */
  async handleChangeChannelByNumber(
    majorNumber: number,
    minorNumber: number,
  ): Promise<IChangeChannelResponse> {
    throw new OperationError(
      '不应使用handleChangeChannelByNumber，而是应改为实现和使用handleChangeChannel',
    );
  },

  async handleSkipChannel(
    channelCount: number,
  ): Promise<IChangeChannelResponse> {

    // 添加处理跳过频道所需的业务逻辑

    const response = ChannelServerComponent2.makeChannelResponseBuilder()
      .status(ChangeChannelStatus.SUCCESS)
      .build();
    return Promise.resolve(response);
  },
};

// 使用内容库中最新的ChannelServerComponent2
import { ChannelServerComponent2 } from '@amazon-devices/kepler-channel';
import {
  IComponentInstance,
  IKeplerAppStateManager,
  useKeplerAppStateManager,
} from '@amazon-devices/react-native-kepler';

const keplerAppStateManager: IKeplerAppStateManager = useKeplerAppStateManager();
// 获取组件实例
const componentInstance: IComponentInstance = keplerAppStateManager.getComponentInstance();

React.useEffect(() => {
 // 向频道服务器提供给定组件实例的处理程序。
 ChannelServerComponent2.getOrMakeServer().setHandlerForComponent(channelTunerHandler, componentInstance);
 }, []);