import android.media.tv.TvInputService; //导入依赖的package包/类
@RequiresApi(api = Build.VERSION_CODES.N)
@Nullable
@Override
public TvInputService.RecordingSession onCreateRecordingSession(String inputId) {
    return null;
}
 

import android.media.tv.TvInputService; //导入依赖的package包/类
@RequiresApi(api = Build.VERSION_CODES.N)
@Nullable
@Override
public TvInputService.RecordingSession onCreateRecordingSession(String inputId) {
    return new RichRecordingSession(this, inputId);
}
 

import android.media.tv.TvInputService; //导入依赖的package包/类
@RequiresApi(api = Build.VERSION_CODES.N)
@Nullable
@Override
public TvInputService.RecordingSession onCreateRecordingSession(String inputId) {
    return new TestRecordingSession(this, inputId);
}