FIG. 4F and FIG. 4G show a process in which a user performs playback control on a smart television 111 by using a playback control card 409.
In some possible implementation solutions, when the mobile phone 407 detects an operation that the user taps the volume icon 421 in FIG. 4C, the volume icon 421 in the playback control card 409 changes to a mute icon 441 shown in FIG. 4F. After the mobile phone 407 sends a playback control command to the smart television 111 by using the wireless communications module, a mute icon 443 shown in FIG. 4G also appears on the smart television 111.
In some possible implementation solutions, when the mobile phone 407 detects an operation that the user taps the playback icon 423 in FIG. 4C, the playback icon 423 in the playback control card 409 changes to a playback pause icon 445 in FIG. 4F. After the mobile phone 407 sends a playback control command to the smart television 111 by using the wireless communications module, the playback icon 403 in the smart television 111 also changes to a playback pause icon 447 shown in FIG. 4G.
The following describes a process in which the user resumes, by using the playback control card 409, playing the video that is being played on the smart television 111.