addFragment或者replaceFrament
@Override
public void onResume() {
super.onResume();
//TODO now visible to user
}
@Override
public void onPause() {
super.onPause();
//TODO now invisible to user
}
使用show和hide來顯隱的Fragment
@Override
public void onHiddenChanged(boolean hidden) {
super.onHiddenChanged(hidden);
if(hidden){
//TODO now invisible to user
} else {
//TODO now visible to user
}
}
@Override
public void onPause() {
super.onPause();
//TODO now visible to user
}
在ViewPager中的Fragment
@Override
public void setUserVisibleHint(boolean isVisibleToUser) {
super.setUserVisibleHint(isVisibleToUser);
if(isVisibleToUser){
//TODO now it's visible to user
} else {
//TODO now it's invisible to user
}
}
@Override
public void onResume() {
super.onResume();
//TODO now it's visible to user
}
@Override
public void onPause() {
super.onPause();
//TODO now it's invisible to user
}
