setBrightnessWithDelta method
设置亮度(增量)
Adjust the brightness level by a delta value.
delta
The amount by which to adjust the brightness.
Implementation
void setBrightnessWithDelta(double delta) {
final brightness = brightnessNotifier.value;
final sum = brightness + delta;
logi("setBrightnessWithDelta: $brightness, $delta, sum: $sum");
setBrightness(sum);
}