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我在45分鐘內有一個CountDownTimer
擴展類。 當CountDownTimer
完成時(在onFinish
),無論用戶身在何處(Activity
或Fragment
),我想要致電新的Activity
。從擴展CountDownTimer類中調用活動
我該怎麼做?
這是我的Counter類:
public class Counter extends CountDownTimer {
private static long millis;
private static Counter instance;
private Counter(long millisInFuture, long countDownInterval){
super(millisInFuture,countDownInterval);
}
public static Counter initInstance(){
instance = new Counter(2700000, 1000);
return instance;
}
public static Counter getInstance() throws Exception{
if(instance==null){
throw new Exception("Parameters not initialized. Initiate with initInstance");
} else{
return instance;
}
}
public boolean isFinish(){
return millis <= 0;
}
@Override
public void onTick(long l) {
millis = l;
}
@Override
public void onFinish() {
// THIS IS WHERE I WANT TO CALL A NEW ACTIVITY !
}
}
我打電話給我的計數器是這樣的:
Counter counterClass = Counter.initInstance();
counterClass.start();