I have 3 Tab fragments and a menu list fragment:
MainActivity:
public class MainActivity extends AppCompatActivity {
private FlowingDrawer mDrawer;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
TabLayout tabLayout = (TabLayout) findViewById(R.id.tab_layout);
tabLayout.addTab(tabLayout.newTab().setText("TAB1"));
tabLayout.addTab(tabLayout.newTab().setText("TAB2"));
tabLayout.addTab(tabLayout.newTab().setText("TAB3"));
tabLayout.setTabGravity(TabLayout.GRAVITY_FILL);
final ViewPager viewPager = (ViewPager) findViewById(R.id.pager);
final PagerAdapter adapter = new PagerAdapter(getSupportFragmentManager(), tabLayout.getTabCount());
viewPager.setAdapter(adapter);
viewPager.addOnPageChangeListener(new TabLayout.TabLayoutOnPageChangeListener(tabLayout));
tabLayout.addOnTabSelectedListener(new TabLayout.OnTabSelectedListener() {
@Override
public void onTabSelected(TabLayout.Tab tab) {
viewPager.setCurrentItem(tab.getPosition());
}
@Override
public void onTabUnselected(TabLayout.Tab tab) {
}
@Override
public void onTabReselected(TabLayout.Tab tab) {
}
});
PagerAdapter:
public class PagerAdapter extends FragmentStatePagerAdapter {
int mNumOfTabs;
public PagerAdapter(FragmentManager fm, int NumOfTabs) {
super(fm);
this.mNumOfTabs = NumOfTabs;
}
@Override
public Fragment getItem(int position) {
switch (position) {
case 0:
TabFragment1 tab1 = new TabFragment1();
return tab1;
case 1:
TabFragment2 tab2 = new TabFragment2();
return tab2;
case 2:
TabFragment3 tab3 = new TabFragment3();
return tab3;
default:
return null;
}
}
@Override
public int getCount() {
return mNumOfTabs;
}
}
Here is one of the tab fragments, what I want is to change the "cat" string in this class and reload the tab from another fragment, the menu fragment below:
public class TabFragment2 extends Fragment {
RecyclerView recyclerView;
public AVLoadingIndicatorView indicatorView;
List<AdModel> Ads;
AdsAdapter adapter;
AdsApi api;
int page = 1;
String TAG = "TabFragment2";
String cat = "0";
@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
final View rootView = inflater.inflate(R.layout.tab_fragment_2, container, false);
final FragmentActivity c = getActivity();
recyclerView = (RecyclerView) rootView.findViewById(R.id.my_recycler_view);
indicatorView= (AVLoadingIndicatorView) c.findViewById(R.id.indicator);
Ads = new ArrayList<>();
adapter = new AdsAdapter(c, Ads);
adapter.setLoadMoreListener(new AdsAdapter.OnLoadMoreListener() {
@Override
public void onLoadMore() {
recyclerView.post(new Runnable() {
@Override
public void run() {
page++;
loadMore(page, cat);
}
});
}
});
recyclerView.setHasFixedSize(true);
recyclerView.setLayoutManager(new StaggeredGridLayoutManager(2, GridLayoutManager.VERTICAL));
recyclerView.setAdapter(adapter);
api = ServiceGenerator.createService(AdsApi.class);
load(1, cat);
return rootView;
}
MenuList Fragment, here is where I need to reload the tab from, and pass the the "cat" value:
public class MenuListFragment extends Fragment {
private ImageView ivMenuUserProfilePhoto;
@Override
public void onCreate(@Nullable Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
}
@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
View view = inflater.inflate(R.layout.fragment_menu, container,
false);
ivMenuUserProfilePhoto = (ImageView) view.findViewById(R.id.ivMenuUserProfilePhoto);
NavigationView vNavigation = (NavigationView) view.findViewById(R.id.vNavigation);
vNavigation.setNavigationItemSelectedListener(new NavigationView.OnNavigationItemSelectedListener() {
@Override
public boolean onNavigationItemSelected(MenuItem menuItem) {
//Toast.makeText(getActivity(),menuItem.getTitle(),Toast.LENGTH_SHORT).show();
// here is where I need to reload the tab from, and pass the the "cat" value
return false;
}
}) ;
setupHeader();
return view ;
}
private void setupHeader() {
int avatarSize = 20;
String profilePhoto = "";
}
}
How can I pass values from a fragment to another, and reload it?
EDIT: Answered by checking: Refresh data in ViewPager Fragment