long lastClickedTime = 0;
long deleyTime = 5000;
public void timeCheck(long nowTime)
{
if(lastClickedTime == 0){ //처음클릭
lastClickedTime = nowTime;
A(); // 요기서 A실행
}else{
if(lastClickedTime + deleyTime < nowTime){ // 5초 검증
Toast.makeText(this, "아직 5초 안지남", Toast.LENGTH_LONG).show();
}else{
lastClickedTime = nowTime;
A(); // 요기서 A실행
}
}
}