程序包 ohos.multimedia.radio.model

接口 ICallback

public interface ICallback

Provides callbacks for radio setting changes.

You need to implement this interface for RadioManager.step(DirectionType, ICallback), RadioManager.seek(DirectionType, ICallback), RadioManager.tune(int, ICallback) methods.

从以下版本开始:

3

方法概要

限定符和类型	方法	说明
void	onChange(ProgramInfo info)	Called when the radio is successfully set.
void	onFailed(ProgramInfo selector)	Called when radio setting fails.

方法详细资料

onChange

void onChange(ProgramInfo info)

Called when the radio is successfully set.

参数:

info - Indicates information about the radio program to search, including the signal strength, signal frequency, stereo, and whether the signal strength meets the threshold.

从以下版本开始:

3

onFailed

void onFailed(ProgramInfo selector)

Called when radio setting fails.

参数:

selector - Indicates information about the radio program to search, including the signal strength, signal frequency, stereo, and whether the signal strength meets the threshold.

从以下版本开始:

3