java - How can I call this method in another activity? -

java - How can I call this method in another activity? -

in main activity, have method:

public void cancelalarms() { alarmmanager manager = (alarmmanager) getsystemservice(context.alarm_service); intent intent = new intent(context, alarmreceiver.class); pendingintent = pendingintent.getbroadcast(context, 0, intent, 0); manager.cancel(pendingintent); }

but want phone call in other activity.

how can phone call 1 activity another? also, alright if using context in method? context alter if phone call activity one?

you should move method utility class or base of operations activity class, reason mention: depends on context.

you won't able invoke method without having reference instance of activity in, because not marked static. , if did, utilize host activity--probably not intend.

instead, create utility class containing method. there 2 ways go this: pass context in function every time, or pass context 1 time class's constructor. former improve one-off convenience methods grouped utilities class, while latter bit more java-like , improve if class has definite function (like activityalarmwrangler).

finally, move function base of operations class. cleanest simple cases because don't have have different fellow member object in activity, if activity extends custom superclass, won't able utilize method unless willing modify superclass. because java doesn't have multiple inheritance (which useful in case), inheriting method hairy quickly.

java android