i have to open bottom navigation fragment from one activity so how can i open to this?
So how to pass Flag and open 4th number of bottomnavigation fragment open??
val profileFragment = ProfileFragment()
profileFragment.show(supportFragmentManager, profileFragment.tag)
val profileFragment = ProfileFragment()
val navController = findNavController(R.id.btm_home)
navController.navigate(R.id.btm_profile)
val manager: FragmentManager = fragmentManager
val transaction: FragmentTransaction = manager.beginTransaction()
transaction.add(R.id.container, , YOUR_FRAGMENT_STRING_TAG)
transaction.addToBackStack(null)
transaction.commit()
try this code
public class MainActivity extends AppCompatActivity {
final Fragment fragment1 = new HomeFragment();
final Fragment fragment2 = new DashboardFragment();
final Fragment fragment3 = new NotificationsFragment();
final FragmentManager fm = getSupportFragmentManager();
Fragment active = fragment1;
#Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
Toolbar toolbar = (Toolbar) findViewById(R.id.toolbar);
setSupportActionBar(toolbar);
BottomNavigationView navigation = (BottomNavigationView) findViewById(R.id.navigation);
navigation.setOnNavigationItemSelectedListener(mOnNavigationItemSelectedListener);
fm.beginTransaction().add(R.id.main_container, fragment3, "3").hide(fragment3).commit();
fm.beginTransaction().add(R.id.main_container, fragment2, "2").hide(fragment2).commit();
fm.beginTransaction().add(R.id.main_container,fragment1, "1").commit();
}
private BottomNavigationView.OnNavigationItemSelectedListener mOnNavigationItemSelectedListener
= new BottomNavigationView.OnNavigationItemSelectedListener() {
#Override
public boolean onNavigationItemSelected(#NonNull MenuItem item) {
switch (item.getItemId()) {
case R.id.navigation_home:
fm.beginTransaction().hide(active).show(fragment1).commit();
active = fragment1;
return true;
case R.id.navigation_dashboard:
fm.beginTransaction().hide(active).show(fragment2).commit();
active = fragment2;
return true;
case R.id.navigation_notifications:
fm.beginTransaction().hide(active).show(fragment3).commit();
active = fragment3;
return true;
}
return false;
}
};
Related
Hello is there any way to keep a fragment running while navigating with the navigationbar?
here is my code
public class DashActivity extends AppCompatActivity implements BottomNavigationView.OnNavigationItemSelectedListener {
FirebaseAuth firebaseAuth;
ActionBar actionBar;
#Override
protected void onCreate(Bundle savedInstanceState) {
getWindow().setFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN, WindowManager.LayoutParams.FLAG_FULLSCREEN);
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_map);
actionBar = getSupportActionBar();
actionBar.setTitle("Profile");
firebaseAuth = FirebaseAuth.getInstance();
BottomNavigationView navigationView = findViewById(R.id.navigation);
navigationView.setOnNavigationItemSelectedListener(selectedListener);
actionBar.setTitle("Profile");
ProfilFragment fragment2 = new ProfilFragment();
FragmentTransaction ft2 = getSupportFragmentManager().beginTransaction();
ft2.replace(R.id.content, fragment2, "");
ft2.commit();
}
private BottomNavigationView.OnNavigationItemSelectedListener selectedListener =
new BottomNavigationView.OnNavigationItemSelectedListener() {
#Override
public boolean onNavigationItemSelected(#NonNull MenuItem menuitem) {
switch (menuitem.getItemId()) {
case R.id.nav_map:
actionBar.setTitle("Map");
MapFragment fragment1 = new MapFragment();
FragmentTransaction ft1 = getSupportFragmentManager().beginTransaction();
ft1.replace(R.id.content, fragment1, "");
ft1.commit();
return true;
case R.id.nav_profile:
actionBar.setTitle("Profile");
ProfilFragment fragment2 = new ProfilFragment();
FragmentTransaction ft2 = getSupportFragmentManager().beginTransaction();
ft2.replace(R.id.content, fragment2, "");
ft2.commit();
return true;
case R.id.nav_activity:
actionBar.setTitle("Activity");
ActivityFragment fragment3 = new ActivityFragment();
FragmentTransaction ft3 = getSupportFragmentManager().beginTransaction();
ft3.replace(R.id.content, fragment3, "");
ft3.commit();
return true;
}
return false;
}
};
private void checkUserStatus() {
FirebaseUser user = firebaseAuth.getCurrentUser();
if (user != null) {
} else {
startActivity(new Intent(DashActivity.this, MainActivity.class));
finish();
}
}
#Override
protected void onStart() {
checkUserStatus();
super.onStart();
}
#Override
public boolean onNavigationItemSelected(#NonNull MenuItem item) {
return false;
}
}
i have three fragment and i want them to stay running while the application is open
I have a navigation drawer with fragments. At start, I display Home fragment as default.
There are options on navigation menu. In 2 fragments I have SwipeRefreshLayout. Until all recyclerview data are fetched then I display data and invisible SwipeRefreshLayout.
One of these fragments (included SwipeRefReshLayout) works fine but, in Home fragment something is wrong.
For example(use case)
You started app and you saw Home fragment
You clicked Profile fragment on navigation menu
You run onBackPressed(back button).
In this case data never loads and SwipeRefReshLayout is always spinning. (I also tried without refreshlayout, still same)
Any idea how to fix this? My thought is, its about displaying default fragment.
Navigation Drawer Activity
public class Page_Navigation extends AppCompatActivity
implements NavigationView.OnNavigationItemSelectedListener {
Fragment fragment;
FragmentManager fragmentManager = getSupportFragmentManager();
NavigationView navigationView;
SharedPreferences mSharedPref;
DrawerLayout drawer;
private Tracker mTracker;
FragmentTransaction fragmentTransaction;
#Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_page__navigation);
//
Toolbar toolbar = (Toolbar) findViewById(R.id.toolbar);
TextView toolbar_head = findViewById(R.id.toolbar_head);
ImageView toolbar_image = findViewById(R.id.toolbar_image);
ImageView toolbar_profile = findViewById(R.id.toolbar_profile);
drawer = (DrawerLayout) findViewById(R.id.drawer_layout);
//
AnalyticsApplication application = (AnalyticsApplication) getApplication();
mTracker = application.getDefaultTracker();
mTracker.setScreenName("page_navigation");
mTracker.send(new HitBuilders.ScreenViewBuilder().build());
//FIRST SETTINGS
setSupportActionBar(toolbar);
Typeface customFont = Typeface.createFromAsset(getAssets(), "Montserrat-Medium.ttf");
toolbar_head.setTypeface(customFont);
//Get Sessions
mSharedPref = PreferenceManager.getDefaultSharedPreferences(getApplicationContext());
String session_user_name = mSharedPref.getString("session_user_name", "");
String session_user_photo = mSharedPref.getString("session_user_photo", "");
//Navigation Drawer
ActionBarDrawerToggle toggle = new ActionBarDrawerToggle(
this, drawer, toolbar, R.string.navigation_drawer_open, R.string.navigation_drawer_close);
drawer.addDrawerListener(toggle);
toggle.syncState();
navigationView = (NavigationView) findViewById(R.id.nav_view);
navigationView.setNavigationItemSelectedListener(this);
navigationView.setItemIconTintList(null);
//
View headerView = navigationView.getHeaderView(0);
TextView nav_userName = (TextView) headerView.findViewById(R.id.textView_nav_userName);
CircleImageView imageView_navigation = (CircleImageView) headerView.findViewById(R.id.imageView_navigation);
Glide.with(getApplicationContext()).load(session_user_photo).into(imageView_navigation);
nav_userName.setText(session_user_name);
headerView.setOnClickListener(new View.OnClickListener() {
#Override
public void onClick(View v) {
if (drawer.isDrawerOpen(Gravity.START)) {
drawer.closeDrawer(Gravity.START);
}
new Handler().postDelayed(new Runnable() {
#Override
public void run() {
showProfileFragment();
}
}, 300);
}
});
toolbar_image.setOnClickListener(new View.OnClickListener() {
#Override
public void onClick(View v) {
drawer.openDrawer(GravityCompat.START);
}
});
toolbar_profile.setOnClickListener(new View.OnClickListener() {
#Override
public void onClick(View v) {
Fragment fragment;
FragmentManager manager = getSupportFragmentManager();
fragment = new Nav_Profile();
fragmentTransaction = manager.beginTransaction();
fragmentTransaction.replace(R.id.navContent, fragment).addToBackStack(null).commit();
}
});
displayDefaultFragment();
}
#Override
public void onBackPressed() {
DrawerLayout drawer = (DrawerLayout) findViewById(R.id.drawer_layout);
if (drawer.isDrawerOpen(GravityCompat.START)) {
drawer.closeDrawer(GravityCompat.START);
} else {
super.onBackPressed();
}
}
#Override
public boolean onCreateOptionsMenu(Menu menu) {
// Inflate the menu; this adds items to the action bar if it is present.
getMenuInflater().inflate(R.menu.page__navigation, menu);
return true;
}
#Override
public boolean onOptionsItemSelected(MenuItem item) {
// Handle action bar item clicks here. The action bar will
// automatically handle clicks on the Home/Up button, so long
// as you specify a parent activity in AndroidManifest.xml.
int id = item.getItemId();
//noinspection SimplifiableIfStatement
if (id == R.id.action_settings) {
return true;
}
return super.onOptionsItemSelected(item);
}
#SuppressWarnings("StatementWithEmptyBody")
#Override
public boolean onNavigationItemSelected(MenuItem item) {
// Handle navigation view item clicks here.
final int id = item.getItemId();
drawer.closeDrawer(GravityCompat.START);
new Handler().postDelayed(new Runnable() {
#Override
public void run() {
switch (id) {
case R.id.nav_home:
fragment = new Nav_Home();
break;
case R.id.nav_contact:
fragment = new Nav_Contact();
break;
case R.id.nav_articles:
fragment = new Nav_Article();
break;
case R.id.nav_about:
fragment = new Nav_AboutUs();
break;
case R.id.nav_suggest:
fragment = new Nav_Suggest();
break;
case R.id.nav_share:
fragment = new Nav_Share();
break;
case R.id.nav_rateApp:
fragment = new Nav_RateApp();
break;
}
fragmentManager.beginTransaction()
.replace(R.id.navContent, fragment)
.addToBackStack(null)
.commit();
}
}, 350);
return true;
}
public void displayDefaultFragment() {
fragment = new Nav_Home();
fragmentManager.beginTransaction().replace(R.id.navContent, fragment).commit();
}
public void showProfileFragment() {
fragment = new Nav_Profile();
fragmentManager.beginTransaction().replace(R.id.navContent, fragment).addToBackStack(null).commit();
}
}
Home Fragment
public class Nav_Home extends Fragment implements View.OnClickListener{
SharedPreferences mSharedPref;
private SwipeRefreshLayout swipeRefresh_home;
private CardView item_homeTop_coupons, item_homeTop_draws, item_homeTop_event;
private LinearLayout layout_all_article, layout_all_999;
private ScrollView shimmer_home;
private List<Model_ListItem> listNewItems;
private RecyclerView recyclerView_item_home;
private List<Model_Article> articleList;
private RecyclerView recyclerView_article_home;
#Override
public void onCreate(#Nullable Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
fetchItemsNew();
fetchArticlesNew();
}
#Override
public View onCreateView(LayoutInflater inflater, ViewGroup container,
Bundle savedInstanceState) {
// Inflate the layout for this fragment
View view = inflater.inflate(R.layout.fragment_nav__home, container, false);
item_homeTop_coupons = view.findViewById(R.id.item_homeTop_coupons);
item_homeTop_draws = view.findViewById(R.id.item_homeTop_draws);
item_homeTop_event = view.findViewById(R.id.item_homeTop_event);
recyclerView_item_home = view.findViewById(R.id.recyclerView_item_home);
recyclerView_article_home = view.findViewById(R.id.recyclerView_article_home);
layout_all_article = view.findViewById(R.id.layout_all_article);
layout_all_999 = view.findViewById(R.id.layout_all_999);
swipeRefresh_home = view.findViewById(R.id.swipeRefresh_home);
shimmer_home = view.findViewById(R.id.shimmer_home);
item_homeTop_coupons.setOnClickListener(this);
item_homeTop_draws.setOnClickListener(this);
item_homeTop_event.setOnClickListener(this);
layout_all_999.setOnClickListener(this);
layout_all_article.setOnClickListener(this);
//first settngs
mSharedPref = PreferenceManager.getDefaultSharedPreferences(view.getContext());
String session_user_email = mSharedPref.getString("session_user_email","");
swipeRefresh_home.setRefreshing(true);
return view;
}
#Override
public void onClick(View v) {
switch (v.getId()){
case R.id.item_homeTop_coupons:
startActivity(new Intent(getContext(), Page_Coupon.class));
break;
case R.id.item_homeTop_draws:
startActivity(new Intent(getContext(), Page_Draw.class));
break;
case R.id.item_homeTop_event:
startActivity(new Intent(getContext(), Page_Event.class));
break;
case R.id.layout_all_999:
//999 city search activity
startActivity(new Intent(getContext(), Page_SearchCity.class));
break;
case R.id.layout_all_article:
//article fragment
Fragment fragment;
FragmentManager fragmentManager = getFragmentManager();
fragment = new Nav_Article();
fragmentManager.beginTransaction().replace(R.id.navContent, fragment).addToBackStack(null).commit();
break;
}
}
public void fetchItemsNew(){
listNewItems = new ArrayList<>();
API_Service api_service = Client.getRetrofitInstance().create(API_Service.class);
Call<List<Model_ListItem>> call = api_service.fetchItemsNew();
call.enqueue(new Callback<List<Model_ListItem>>() {
#Override
public void onResponse(Call<List<Model_ListItem>> call, Response<List<Model_ListItem>> response) {
if(response.code() == 200){
listNewItems = response.body();
Adapter_HomeItem adapter_homeItem = new Adapter_HomeItem(getContext(), listNewItems);
LinearLayoutManager layoutManager
= new LinearLayoutManager(getContext(), LinearLayoutManager.HORIZONTAL, false);
recyclerView_item_home.setHasFixedSize(true);
recyclerView_item_home.setLayoutManager(layoutManager);
recyclerView_item_home.setAdapter(adapter_homeItem);
SnapHelper helper = new LinearSnapHelper();
helper.attachToRecyclerView(recyclerView_item_home);
}
}
#Override
public void onFailure(Call<List<Model_ListItem>> call, Throwable t) {
}
});
}
public void fetchArticlesNew(){
articleList = new ArrayList<>();
API_Service api_service = Client.getRetrofitInstance().create(API_Service.class);
Call<List<Model_Article>> callArticle = api_service.fetchArticlesNew();
callArticle.enqueue(new Callback<List<Model_Article>>() {
#Override
public void onResponse(Call<List<Model_Article>> call, Response<List<Model_Article>> response) {
if(response.code() == 200){
articleList = response.body();
Adapter_HomeArticles adapter_homeArticles = new Adapter_HomeArticles(getContext(), articleList);
LinearLayoutManager layoutManager
= new LinearLayoutManager(getActivity(), LinearLayoutManager.HORIZONTAL, false);
recyclerView_article_home.setLayoutManager(layoutManager);
recyclerView_article_home.setHasFixedSize(true);
recyclerView_article_home.setAdapter(adapter_homeArticles);
}
}
#Override
public void onFailure(Call<List<Model_Article>> call, Throwable t) {
}
});
}
}
Firstly you must disable SwipeRefreshLayout spinning when successfully or not fetched data:
swipeRefresh_home.setRefreshing(false);
If you do not do this spinner will be spinning all the time.
Another problem is that you have one fragment and you try to assign to it Nav_Home fragment and Nav_Profile fragment.
Fragment fragment;
public void displayDefaultFragment() {
fragment = new Nav_Home();
fragmentManager.beginTransaction().replace(R.id.navContent, fragment).commit();
}
public void showProfileFragment() {
fragment = new Nav_Profile();
fragmentManager.beginTransaction().replace(R.id.navContent, fragment).addToBackStack(null).commit();
}
Try to separate them and show like this:
Fragment homeFragment;
Fragment profileFragment;
public void displayDefaultFragment() {
homeFragment = new Nav_Home();
fragmentManager.beginTransaction().replace(R.id.navContent, homeFragment).commit();
}
public void showProfileFragment() {
profileFragment = new Nav_Profile();
fragmentManager.beginTransaction().replace(R.id.navContent, profileFragment).addToBackStack(null).commit();
}
This is my code I have created a bottom navigation view and I am connected the items to fragment separately. When I click the the navigation item more time the fragment load again again.
I don't know what is the problem here.
#Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
BottomNavigationView bottomNav = findViewById(R.id.bottom_navigation);
bottomNav.setOnNavigationItemSelectedListener(navListener);
}
private BottomNavigationView.OnNavigationItemSelectedListener navListener =
new BottomNavigationView.OnNavigationItemSelectedListener() {
#Override
public boolean onNavigationItemSelected(#NonNull MenuItem item) {
Fragment SelectedFragment=null;
FragmentManager fm=getSupportFragmentManager();
FragmentTransaction ft=fm.beginTransaction();
ft.commit();
switch (item.getItemId()) {
case R.id.navigation_home:
setTitle("Playing11");
HomeFragment fragment = new HomeFragment();
ft.replace(R.id.fragment_container, fragment);
return true;
case R.id.navigation_dashboard:
HomeFragment1 fragment1 = new HomeFragment1();
ft.replace(R.id.fragment_container, fragment1);
return true;
case R.id.navigation_notifications:
setTitle("Safe11");
HomeFragment2 fragment2 = new HomeFragment2();
ft.replace(R.id.fragment_container, fragment2);
return true;
case R.id.navigation_notification:
setTitle("More");
HomeFragment3 fragment3 = new HomeFragment3();
ft.replace(R.id.fragment_container, fragment3);
return true;
}
return false;
}
};
}
Try to change your code like this:
#Override
public boolean onNavigationItemSelected(#NonNull MenuItem item) {
FragmentManager fragmentManager = getSupportFragmentManager();
FragmentTransaction fragmentTransaction = fragmentManager.beginTransaction();
switch (item.getItemId()) {
case R.id.menu_home:
HomeFragment homeFragment = new HomeFragment();
fragmentTransaction.replace(R.id.frameContentPlace, homeFragment, "HomeFragment").addToBackStack("HomeFragment");
break;
case R.id.menu_profile:
HomeFragment1 fragment1 = new HomeFragment1();
fragmentTransaction.replace(R.id.frameContentPlace, fragment1).addToBackStack("HomeFragment1");
break;
case R.id.menu_bookings:
HomeFragment2 fragment2 = new HomeFragment2();
fragmentTransaction.replace(R.id.frameContentPlace, fragment2).addToBackStack("HomeFragment2");
break;
}
fragmentTransaction.commit();
return true;
}
When you adding fragment use tag. So write
ft.replace(R.id.fragment_container, fragment, "MyFragment);
instead of
ft.replace(R.id.fragment_container, fragment);
And check if this fragment is visible for not loading this fragment again
switch (item.getItemId())
{
case R.id.navigation_home:
HomeFragment fragment = (HomeFragment)getFragmentManager().findFragmentByTag("MyFragment");
if (fragment != null && !fragment.isVisible())
{
setTitle("Playing11");
HomeFragment fragment = new HomeFragment();
ft.replace(R.id.fragment_container, fragment);
return true;
}
}
Hi i'm making an app where i'm using fragments with bottom navigation however when i click on home button it doesnt load home fragment instead it loads the second fragment and moreover when i start the app home fragment doesnt load by default i know it may sound naive but i'm having this problem plaese if someone may guide me
my code for fragment navigation
public class MainActivity extends AppCompatActivity {
FrameLayout frameLayout;
FragmentManager fragmentManager;
Fragment fragment;
BottomNavigationView bottomNavigationView;
#Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
//BottomNavigationView b=findViewById(R.id.bottom_nav);
fragmentManager = getSupportFragmentManager();
if(findViewById(R.id.frame_container)!=null){
if(savedInstanceState!=null){
return;
}
/*HomeFragment homeFragment = new HomeFragment();
FragmentTransaction transaction = getSupportFragmentManager().beginTransaction();
transaction.replace(R.id.frame_container, homeFragment,null);
transaction.addToBackStack(null);
/* Comment this line and it should work!*/
//transaction.addToBackStack(null);
//transaction.commit();
}
bottomNavigationView = (BottomNavigationView) findViewById(R.id.bottom_nav);
//final SeekBar sb = (SeekBar) findViewById(R.id.sb);
bottomNavigationView.setOnNavigationItemSelectedListener(new BottomNavigationView.OnNavigationItemSelectedListener() {
#Override
public boolean onNavigationItemSelected(#NonNull MenuItem item) {
Fragment fragment = null;
switch (item.getItemId()){
case R.id.navigation_home:
fragment = new HomeFragment();
loadFragment(fragment);
case R.id.navigation_feed:
fragment = new FeedFragment();
loadFragment(fragment);
return true;
case R.id.navigation_event:
fragment = new EventsFragment();
loadFragment(fragment);
return true;
case R.id.navigation_nearby:
fragment = new NearbyFragment();
loadFragment(fragment);
return true;
case R.id.navigation_profile:
fragment = new ProfileFragment();
loadFragment(fragment);
return true;
}
return false;
}
});
}
private void loadFragment(Fragment fragment) {
// HomeFragment homeFragment = new HomeFragment();
FragmentTransaction transaction = getSupportFragmentManager().beginTransaction();
transaction.replace(R.id.frame_container, fragment,null);
transaction.addToBackStack(null);
/* Comment this line and it should work!*/
//transaction.addToBackStack(null);
transaction.commit();
// load fragment
//HomeFragment homeFragment = new HomeFragment();
}
}
You just forgot to return true; inside case R.id.navigation_home: check it
Try this
bottomNavigationView.setOnNavigationItemSelectedListener(new BottomNavigationView.OnNavigationItemSelectedListener() {
#Override
public boolean onNavigationItemSelected(#NonNull MenuItem item) {
Fragment fragment = null;
switch (item.getItemId()){
case R.id.navigation_home:
fragment = new HomeFragment();
loadFragment(fragment);
return true;
case R.id.navigation_feed:
fragment = new FeedFragment();
loadFragment(fragment);
return true;
case R.id.navigation_event:
fragment = new EventsFragment();
loadFragment(fragment);
return true;
case R.id.navigation_nearby:
fragment = new NearbyFragment();
loadFragment(fragment);
return true;
case R.id.navigation_profile:
fragment = new ProfileFragment();
loadFragment(fragment);
return true;
}
return false;
}
});
I'm trying to figure out how to directly display the memberFragment.class fragment instead of the MainActivity from showing without selecting it on the navigation bar.
My Code:
public class AdminActivity extends AppCompatActivity {
private DrawerLayout mdrawerl;
private ActionBarDrawerToggle mtoggle;
private FirebaseAuth auth;
#Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_admin);
auth = FirebaseAuth.getInstance();
mdrawerl = (DrawerLayout) findViewById(R.id.drawer);
mtoggle = new ActionBarDrawerToggle(this,mdrawerl,R.string.open, R.string.close);
mdrawerl.addDrawerListener(mtoggle);
NavigationView nvDrawer = (NavigationView) findViewById(R.id.nv) ;
mtoggle.syncState();
getSupportActionBar().setDisplayHomeAsUpEnabled(true);
setupDrawerContent(nvDrawer);
}
#Override
public boolean onOptionsItemSelected(MenuItem item) {
if (mtoggle.onOptionsItemSelected(item)){
return true;
}
return super.onOptionsItemSelected(item);
}
public void selectItemDrawer(MenuItem menuItem) {
auth = FirebaseAuth.getInstance();
Fragment myFragment = null;
Class fragmentClass;
switch (menuItem.getItemId()){
case R.id.signout:
auth.getInstance().signOut();
Intent i = new Intent(AdminActivity.this, LoginActivity.class);
i.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK |
Intent.FLAG_ACTIVITY_CLEAR_TASK);
startActivity(i);
return;
}
switch (menuItem.getItemId()){
case R.id.members:
fragmentClass = memberFragment.class;
break;
case R.id.transactions:
fragmentClass = transaction.class;
break;
default:
fragmentClass = member.class;
}
try {
myFragment = (Fragment) fragmentClass.newInstance();
}
catch (Exception e) {
e.printStackTrace();
}
FragmentManager fragmentManager = getSupportFragmentManager();
fragmentManager.beginTransaction().replace(R.id.flcontent,myFragment).commit();
menuItem.setChecked(true);
setTitle(menuItem.getTitle());
mdrawerl.closeDrawers();
}
private void setupDrawerContent(NavigationView navigationView) {
navigationView.setNavigationItemSelectedListener(new NavigationView.OnNavigationItemSelectedListener() {
#Override
public boolean onNavigationItemSelected(#NonNull MenuItem item) {
selectItemDrawer(item);
return false;
}
});
}
The problem here is that when launching the activity, it would launch on the Activity itself instead of the fragment memberFragment as the default.
Try with below code, put below code inside your onCreate() :
memberFragment frag = new memberFragment();
getSupportFragmentManager().beginTransaction()
.replace(R.id.flcontent, frag)
.commit();
Full code should be like this :
#Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_admin);
auth = FirebaseAuth.getInstance();
mdrawerl = (DrawerLayout) findViewById(R.id.drawer);
mtoggle = new ActionBarDrawerToggle(this,mdrawerl,R.string.open, R.string.close);
mdrawerl.addDrawerListener(mtoggle);
NavigationView nvDrawer = (NavigationView) findViewById(R.id.nv) ;
mtoggle.syncState();
getSupportActionBar().setDisplayHomeAsUpEnabled(true);
setupDrawerContent(nvDrawer);
memberFragment frag = new memberFragment();
getSupportFragmentManager().beginTransaction()
.replace(R.id.flcontent, frag)
.commit();
}
You can not launch a fragment without activity but you can launch fragment suddenly after activity launch.
To do that do simple fragment transaction on activity onCreate and most important part select menu item from NavigationView.
Copy past below code:
#Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_admin);
auth = FirebaseAuth.getInstance();
mdrawerl = (DrawerLayout) findViewById(R.id.drawer);
mtoggle = new ActionBarDrawerToggle(this,mdrawerl,R.string.open,
R.string.close);
mdrawerl.addDrawerListener(mtoggle);
NavigationView nvDrawer = (NavigationView) findViewById(R.id.nv) ;
mtoggle.syncState();
getSupportActionBar().setDisplayHomeAsUpEnabled(true);
setupDrawerContent(nvDrawer);
memberFragment frag = new memberFragment();
getSupportFragmentManager().beginTransaction()
.replace(R.id.flcontent, frag)
.commit();
nvDrawer.getMenu().getItem(0).setChecked(true);
}