startTimer method
void
startTimer()
启动定时器
Implementation
void startTimer() {
if (isActive()) return;
_timer = Timer.periodic(Duration(milliseconds: duration), (timer) {
_callback(timer.tick);
});
}
启动定时器
void startTimer() {
if (isActive()) return;
_timer = Timer.periodic(Duration(milliseconds: duration), (timer) {
_callback(timer.tick);
});
}