On implementing Material Search View, Textview is not shown at first launch

On implementing Material Search View, Textview is not shown at first launch - java

I'm implementing searchview for my activity. It works well but I also want to show textview at first launch. But when i run app, then textview is not shown but only search menu item appears and when I search anything and click search button, then only textview appears and I can similarly search any item as before. But problem is on First launch the item in my xml don't appear and only toolbar with search menu item appears. What is the cause of it?
Here is my code
public class MainActivity extends AppCompatActivity {
MaterialSearchView searchView;
Toolbar toolbar;
#Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
toolbar = (Toolbar) findViewById(R.id.toolbar);
setSupportActionBar(toolbar);
searchViewCode();
}
private void searchViewCode() {
searchView = (MaterialSearchView) findViewById(R.id.search_view);
searchView.setSuggestions(getResources().getStringArray(R.array.query_suggestions));
searchView.setEllipsize(true);
searchView.setOnQueryTextListener(new MaterialSearchView.OnQueryTextListener() {
#Override
public boolean onQueryTextSubmit(String query) {
Toast.makeText(getApplicationContext(), query, Toast.LENGTH_SHORT).show();
return false;
}
#Override
public boolean onQueryTextChange(String newText) {
return false;
}
});
searchView.setOnSearchViewListener(new MaterialSearchView.SearchViewListener() {
#Override
public void onSearchViewShown() {
}
#Override
public void onSearchViewClosed() {
}
});
} /*click alt+insert key */
#Override
public boolean onCreateOptionsMenu(Menu menu) {
getMenuInflater().inflate(R.menu.material_search_menu, menu);
MenuItem item = menu.findItem(R.id.action_search);
searchView.setMenuItem(item);
return true;
}
#Override
public boolean onOptionsItemSelected(MenuItem item) {
switch (item.getItemId()) {
case R.id.action_search:
return true;
default:
return super.onOptionsItemSelected(item);
}
}
#Override
public void onBackPressed() {
if (searchView.isSearchOpen()) {
searchView.closeSearch();
} else {
super.onBackPressed();
}
}
}
and my xml is
<Linearlayout>
<FrameLayout
android:id="#+id/toolbar_container"
android:layout_width="match_parent"
android:layout_height="wrap_content">
<android.support.v7.widget.Toolbar
android:id="#+id/toolbar"
android:layout_width="match_parent"
android:layout_height="?attr/actionBarSize"
android:background="#color/appcolor"
android:elevation="4dp"
android:fitsSystemWindows="true"
android:minHeight="?attr/actionBarSize"
android:theme="#style/AppTheme.AppBarOverlay" />
<com.miguelcatalan.materialsearchview.MaterialSearchView
android:id="#+id/search_view"
android:layout_width="match_parent"
android:layout_height="wrap_content" />
</FrameLayout>
<TextView
android:id="#+id/ev_title"
android:text="uis sed nisi arcu"
android:layout_width="match_parent"
android:layout_height="wrap_content"/>
</Linearlayout>
Thank in advance.

You should Constraint Layout
<?xml version="1.0" encoding="utf-8"?>
<androidx.constraintlayout.widget.ConstraintLayout
xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:app="http://schemas.android.com/apk/res-auto"
xmlns:tools="http://schemas.android.com/tools"
android:layout_width="match_parent"
android:layout_height="match_parent"
tools:context=".MainActivity">
<FrameLayout
android:id="#+id/toolbar_container"
android:layout_width="match_parent"
android:layout_height="wrap_content"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toTopOf="parent">
<android.support.v7.widget.Toolbar
android:id="#+id/toolbar"
android:layout_width="match_parent"
android:layout_height="?attr/actionBarSize"
android:background="#color/appcolor"
android:elevation="4dp"
android:fitsSystemWindows="true"
android:minHeight="?attr/actionBarSize"
android:theme="#style/AppTheme.AppBarOverlay" />
<com.miguelcatalan.materialsearchview.MaterialSearchView
android:id="#+id/search_view"
android:layout_width="match_parent"
android:layout_height="wrap_content" />
</FrameLayout>
<TextView
android:id="#+id/ev_title"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:text="uis sed nisi arcu"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toBottomOf="#id/toolbar_container" />
</androidx.constraintlayout.widget.ConstraintLayout>

Related

Android background color of button change automatically

I have never seen a bug as weird as that before, I'm linking a viewpager with a tablayout, inside the viewpager there are three fragments.
Two of the fragments (let's say fragment 1 & 3) have a button inside them and their colours are both set to "pink". When I first load the app, it shows fragment 1, the button is pink at that moment, however, whenever I switch to fragment 3, the background color of the button is changed to "white" and other attributes of the button stay the same.
This won't happen if I switch to fragment 2. However, if I switch to fragment 3 once, both fragments 1 & 3's button have white background for the rest of the lifetime.
Can someone tell me what's happening here or what could cause this? I'm not changing the style of the buttons in Java files at all.
MainActivity.java
public class MainActivity extends AppCompatActivity {
private ActivityMainBinding binding;
#Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
binding = DataBindingUtil.setContentView(this, R.layout.activity_main);
setUpWithViewPager(binding.viewPager);
// setupWithViewPager is a built-in method for TabLayout, setting up this TabLayout with a ViewPager
// The TabLayout will be automatically populated from the PagerAdapter's page titles. By doing that,
// when the user tabs on the tab, the appropriate fragment will be shown in the ViewPager
// TabLayout provides a horizontal layout to display tabs.
// Without this line you can still swipe left/right to see all the pages, just cannot tab on the
// tab to switch pages
binding.tabLayout.setupWithViewPager(binding.viewPager);
// This method sets the toolbar as the app bar for the activity
setSupportActionBar(binding.toolbar);
// change the fab icon when the page is changed
binding.viewPager.addOnPageChangeListener(new ViewPager.OnPageChangeListener() {
#Override
public void onPageScrolled(int position, float positionOffset, int positionOffsetPixels) {
}
#Override
public void onPageSelected(int position) {
changeFabIcon(position);
}
#Override
public void onPageScrollStateChanged(int state) {
}
});
}
private void setUpWithViewPager(ViewPager viewPager) {
// An inner class defined in MainActivity
SectionsPagerAdapter adapter = new SectionsPagerAdapter(getSupportFragmentManager());
adapter.addFragment(new ChatsFragment(), "Chats");
adapter.addFragment(new StatusFragment(), "Status");
adapter.addFragment(new CallsFragment(), "Calls");
// We need 3 fragments
viewPager.setAdapter(adapter);
}
#Override
public boolean onCreateOptionsMenu(Menu menu) {
// getMenuInflater is used to instantiate menu XML files into Menu objects.
getMenuInflater().inflate(R.menu.menu_main, menu);
return true;
}
#Override
public boolean onOptionsItemSelected(#NonNull MenuItem item) {
switch (item.getItemId()) {
case R.id.menu_search: Toast.makeText(this, "Action Search", Toast.LENGTH_SHORT).show(); break;
case R.id.menu_more: Toast.makeText(this, "Action More", Toast.LENGTH_SHORT).show(); break;
}
return super.onOptionsItemSelected(item);
}
private void changeFabIcon(final int index) {
binding.fabAction.hide();
new Handler().postDelayed(new Runnable() {
#Override
public void run() {
switch (index) {
case 0: binding.fabAction.setImageDrawable(getDrawable(R.drawable.ic_baseline_chat_24)); break;
case 1: binding.fabAction.setImageDrawable(getDrawable(R.drawable.ic_baseline_camera_alt_24)); break;
case 2: binding.fabAction.setImageDrawable(getDrawable(R.drawable.ic_baseline_call_24)); break;
}
binding.fabAction.show();
}
}, 400);
}
private static class SectionsPagerAdapter extends FragmentPagerAdapter {
private final List<Fragment> mFragmentList = new ArrayList<>();
private final List<String> mFragmentTitleList = new ArrayList<>();
public SectionsPagerAdapter(#NonNull FragmentManager fm) {
super(fm);
}
#NonNull
#Override
public Fragment getItem(int position) {
return mFragmentList.get(position);
}
#Nullable
#Override
public CharSequence getPageTitle(int position) {
return mFragmentTitleList.get(position);
}
#Override
public int getCount() {
return mFragmentList.size();
}
public void addFragment(Fragment fragment, String title) {
mFragmentList.add(fragment);
mFragmentTitleList.add(title);
}
}
activity_main.xml
<?xml version="1.0" encoding="utf-8"?>
<layout
xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:app="http://schemas.android.com/apk/res-auto"
xmlns:tools="http://schemas.android.com/tools">
<RelativeLayout
android:layout_width="match_parent"
android:layout_height="match_parent"
android:orientation="vertical"
tools:context=".view.MainActivity">
<com.google.android.material.appbar.AppBarLayout
android:id="#+id/app_bar"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:background="#color/colorPrimary">
<androidx.appcompat.widget.Toolbar
android:id="#+id/toolbar"
android:layout_width="match_parent"
android:layout_height="50dp"
app:titleTextColor="#android:color/white"
app:title="PepperChat"/>
</com.google.android.material.appbar.AppBarLayout>
<com.google.android.material.tabs.TabLayout
android:id="#+id/tab_layout"
android:layout_below="#+id/app_bar"
android:layout_width="match_parent"
android:layout_height="50dp"
app:tabBackground="#color/colorPrimary"
app:tabGravity="fill"
app:tabIndicator="#color/colorPrimary"
app:tabIndicatorHeight="3dp"
app:tabIndicatorColor="#android:color/white"
app:tabSelectedTextColor="#android:color/white"
app:tabTextColor="#android:color/white">
</com.google.android.material.tabs.TabLayout>
<androidx.viewpager.widget.ViewPager
android:id="#+id/view_pager"
android:layout_below="#id/tab_layout"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:visibility="visible"
app:layout_behavior="#string/appbar_scrolling_view_behavior" />
<com.google.android.material.floatingactionbutton.FloatingActionButton
android:id="#+id/fab_action"
android:src="#android:drawable/stat_notify_chat"
android:tint="#android:color/white"
app:backgroundTint="#color/colorPrimary"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignParentBottom="true"
android:layout_alignParentEnd="true"
android:layout_margin="15dp"/>
</RelativeLayout>
</layout>
fragment_calls.xml
<?xml version="1.0" encoding="utf-8"?>
<layout>
<FrameLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:tools="http://schemas.android.com/tools"
android:layout_width="match_parent"
android:layout_height="match_parent"
tools:context=".menu.CallsFragment">
<androidx.recyclerview.widget.RecyclerView
android:id="#+id/recyclerView"
android:layout_width="match_parent"
android:layout_height="match_parent"/>
<LinearLayout
android:id="#+id/ln_invite"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:gravity="center_horizontal"
android:layout_marginTop="30dp"
android:orientation="vertical">
<TextView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="Invite your friends"
android:textSize="25dp"
android:textColor="#android:color/black"/>
<TextView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginTop="10dp"
android:layout_marginBottom="20dp"
android:textColor="#color/colorPrimary"
android:gravity="center_horizontal"
android:text="Name of your contact are using PepperChat.\nUse the bottom below to invite them."/>
<Button
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:background="#color/colorPrimary"
android:textColor="#android:color/black"
android:layout_marginStart="30dp"
android:layout_marginEnd="30dp"
android:text="Invite a friend"/>
<TextView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginTop="10dp"
android:layout_marginBottom="20dp"
android:gravity="center_horizontal"
android:text="Chat with your friends who are using PepperChat on iphone,\nAndroid or KaiOS phone"/>
</LinearLayout>
</FrameLayout>
</layout>
fragment_chats.xml
<?xml version="1.0" encoding="utf-8"?>
<layout>
<FrameLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:tools="http://schemas.android.com/tools"
android:layout_width="match_parent"
android:layout_height="match_parent"
tools:context=".menu.ChatsFragment">
<androidx.recyclerview.widget.RecyclerView
android:id="#+id/recyclerView"
android:layout_height="match_parent"
android:layout_width="match_parent"/>
<LinearLayout
android:id="#+id/ln_invite"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:gravity="center_horizontal"
android:layout_marginTop="30dp"
android:orientation="vertical">
<TextView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="Invite your friends"
android:textSize="25dp"
android:textColor="#android:color/black"/>
<TextView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginTop="10dp"
android:layout_marginBottom="20dp"
android:textColor="#color/colorPrimary"
android:gravity="center_horizontal"
android:text="Name of your contact are using PepperChat.\nUse the bottom below to invite them."/>
<Button
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:background="#color/colorPrimary"
android:textColor="#android:color/black"
android:layout_marginStart="30dp"
android:layout_marginEnd="30dp"
android:text="Invite a friend"/>
<TextView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginTop="10dp"
android:layout_marginBottom="20dp"
android:gravity="center_horizontal"
android:text="Chat with your friends who are using PepperChat on iphone,\nAndroid or KaiOS phone"/>
</LinearLayout>
</FrameLayout>
</layout>

After adding the following line in both of the xml files, the button appears normally, not sure why though, can someone explain what happened? (is that something related to the theme I'm using?)
android:backgroundTint="#color/colorPrimary"
and my theme is
<style name="Theme.PepperChat" parent="Theme.AppCompat.Light.NoActionBar">
<!-- Primary brand color. -->
<item name="colorPrimary">#color/colorPrimary</item>
<item name="colorPrimaryDark">#color/colorPrimaryDark</item>
<item name="colorAccent">#color/colorAccent</item>
</style>
if I change the parent to Theme.MaterialComponent.Light.NoActionBar, then the app works fine without adding backgroundTint.
Again, would like some explanations on why this happens.

How to set menu to an AppBarLayout

I'm new to programming, and I want to add a settings menu button.
Like on the picture, my app doesn't show the three dots button.
MainActivity.java :
public class MainActivity extends AppCompatActivity {
#Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
SectionsPagerAdapter sectionsPagerAdapter = new SectionsPagerAdapter(this, getSupportFragmentManager());
ViewPager viewPager = findViewById(R.id.view_pager);
viewPager.setAdapter(sectionsPagerAdapter);
TabLayout tabs = findViewById(R.id.tabs);
tabs.setupWithViewPager(viewPager);
}
#Override
public boolean onCreateOptionsMenu(Menu menu) {
getMenuInflater().inflate(R.menu.settings, menu);
return true;
}
#Override
public boolean onOptionsItemSelected(#NonNull MenuItem item) {
switch (item.getItemId()) {
case R.id.vueSatellite:
Toast.makeText(this, "Hi", Toast.LENGTH_SHORT).show();
return true;
default:
return super.onOptionsItemSelected(item);
}
}
}
activity_main.xml :
<?xml version="1.0" encoding="utf-8"?>
<androidx.coordinatorlayout.widget.CoordinatorLayout
xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:app="http://schemas.android.com/apk/res-auto"
xmlns:tools="http://schemas.android.com/tools"
android:layout_width="match_parent"
android:layout_height="match_parent"
tools:context=".MainActivity">
<androidx.viewpager.widget.ViewPager
android:id="#+id/view_pager"
android:layout_width="match_parent"
android:layout_height="match_parent"
app:layout_behavior="#string/appbar_scrolling_view_behavior" />
<com.google.android.material.appbar.AppBarLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:theme="#style/AppTheme">
<TextView
android:id="#+id/title"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:gravity="center"
android:minHeight="?actionBarSize"
android:padding="#dimen/appbar_padding"
android:text="#string/app_name"
android:textColor="#color/colorAccent"
android:textAppearance="#style/TextAppearance.Widget.AppCompat.Toolbar.Title" />
<com.google.android.material.tabs.TabLayout
android:id="#+id/tabs"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:background="#color/White"
app:tabTextColor="#color/colorAccent"/>
</com.google.android.material.appbar.AppBarLayout>
</androidx.coordinatorlayout.widget.CoordinatorLayout>
settings.xml :
<?xml version="1.0" encoding="utf-8"?>
<menu xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:app="http://schemas.android.com/apk/res-auto">
<item android:id="#+id/vueSatellite"
android:title="#string/item_vue_satellite"
app:showAsAction="never"/>
</menu>
What is my mistake ?
Or what do I have to add?
Tell me if there is missing information like the file AndroidManifest.xml for example.
Thanks

In your Activity just add
Toolbar toolbar = (Toolbar) findViewById(R.id.toolbar);
setSupportActionBar(toolbar);
Hope it works.

OnClickListener Null Object Reference

I know this issue has been put out there 100 times, but nothing I've seen solves this. I have a button in a layout called fragment_main which is shown to another layout: activity_main. That button opens a fragment called AddEditFragment, which allows users to add info to a form that then spits it into a recyclerview(fragment_main) that is shown in MainActivity.
I have both layouts due to having a navigation drawer in a linearlayout in activity_main and the recyclerview and button in fragment_main constraintlayout. However I have onDelete/Edit/Save methods already up and going in MainActivity, so it only makes sense to me to put the button onClickListener there as well. Except since the button isn't in the main layout, activity_main, I get a fatal null object exception.
Even though fragment_main is shown in activity_main is there a way around this so the OnClick method can be put into MainActivity for a button in a linked layout?
MainActivity.java
public class MainActivity extends AppCompatActivity implements RecyclerViewAdapter.OnVehicleClickListener,
FragmentAddEdit.OnSaveClicked,
NavigationView.OnNavigationItemSelectedListener {
private DrawerLayout drawer;
#Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
Toolbar toolbar = findViewById(R.id.toolbar);
setSupportActionBar(toolbar);
drawer = findViewById(R.id.drawer_layout);
NavigationView navigationView = findViewById(R.id.nav_view);
navigationView.setNavigationItemSelectedListener(this);
ActionBarDrawerToggle toggle = new ActionBarDrawerToggle(this, drawer, toolbar,
R.string.navigation_drawer_open, R.string.navigation_drawer_close);
drawer.addDrawerListener(toggle);
toggle.syncState();
// Launcher view
if (savedInstanceState == null) {
getSupportFragmentManager().beginTransaction().replace(R.id.fragment_container,
new FragmentMainActivity()).commit();
navigationView.setCheckedItem(R.id.nav_garage);
}
Button button_add = findViewById(R.id.button_add);
button_add.setOnClickListener(new View.OnClickListener() {
#Override
public void onClick(View view) {
AddEditRequest(null);
}
});
}
#Override
public boolean onNavigationItemSelected(#NonNull MenuItem item) {
switch (item.getItemId()) {
case R.id.nav_garage:
getSupportFragmentManager().beginTransaction().replace(R.id.fragment_container,
new FragmentMainActivity()).commit();
break;
case R.id.nav_history:
getSupportFragmentManager().beginTransaction().replace(R.id.fragment_container,
new FragmentHistory()).commit();
break;
case R.id.nav_upcoming:
getSupportFragmentManager().beginTransaction().replace(R.id.fragment_container,
new FragmentUpcoming()).commit();
break;
case R.id.nav_about:
getSupportFragmentManager().beginTransaction().replace(R.id.fragment_container,
new FragmentAbout()).commit();
break;
}
drawer.closeDrawer(GravityCompat.START);
return true;
}
#Override
public void onSaveClicked() {
FragmentManager fragmentManager = getSupportFragmentManager();
Fragment AddEditFragment = fragmentManager.findFragmentById(R.id.fragment_container);
if (AddEditFragment != null) {
getSupportFragmentManager().beginTransaction()
.remove(AddEditFragment)
.commit();
}
}
public void onEditClick(#NonNull Vehicle vehicle) {
AddEditRequest(vehicle);
}
#Override
public void onDeleteClick(#NonNull Vehicle vehicle) {
}
private void AddEditRequest(Vehicle vehicle) {
Intent detailIntent = new Intent(this, FragmentAddEdit.class);
if (vehicle != null) {
detailIntent.putExtra(Vehicle.class.getSimpleName(), vehicle);
startActivity(detailIntent);
}
}
#Override
public void onBackPressed() {
if (drawer.isDrawerOpen(GravityCompat.START)) {
drawer.closeDrawer(GravityCompat.START);
} else {
super.onBackPressed();
}
}
activity_main.xml
<?xml version="1.0" encoding="utf-8"?>
<android.support.v4.widget.DrawerLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:app="http://schemas.android.com/apk/res-auto"
xmlns:tools="http://schemas.android.com/tools"
android:id="#+id/drawer_layout"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:fitsSystemWindows="true"
tools:context=".com.carupkeep.MainActivity"
tools:openDrawer="start">
<LinearLayout
android:layout_width="match_parent"
android:layout_height="match_parent"
android:orientation="vertical">
<android.support.v7.widget.Toolbar
android:id="#+id/toolbar"
android:layout_width="match_parent"
android:layout_height="?attr/actionBarSize"
android:background="#color/colorPrimary"
android:elevation="4dp"
android:theme="#style/ThemeOverlay.AppCompat.Dark.ActionBar"
app:popupTheme="#style/ThemeOverlay.AppCompat.Light" />
<FrameLayout
android:id="#+id/fragment_container"
android:layout_width="match_parent"
android:layout_height="match_parent" />
</LinearLayout>
<android.support.design.widget.NavigationView
android:id="#+id/nav_view"
android:layout_width="wrap_content"
android:layout_height="match_parent"
android:layout_gravity="start"
app:headerLayout="#layout/nav_header"
app:menu="#menu/drawer_menu" />
</android.support.v4.widget.DrawerLayout>
fragment_main.xml
<?xml version="1.0" encoding="utf-8"?>
<android.support.constraint.ConstraintLayout
xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:app="http://schemas.android.com/apk/res-auto"
xmlns:tools="http://schemas.android.com/tools"
android:id="#+id/content_main"
android:layout_width="match_parent"
android:layout_height="match_parent"
tools:context=".com.carupkeep.FragmentMainActivity"
tools:showIn="#layout/activity_main">
<TextView
android:id="#+id/no_vehicles"
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_marginEnd="8dp"
android:layout_marginLeft="8dp"
android:layout_marginRight="8dp"
android:layout_marginStart="8dp"
android:layout_marginTop="8dp"
android:text="#string/no_vehicle_message"
android:textSize="22sp"
android:textStyle="normal|bold"
app:layout_constraintLeft_toLeftOf="parent"
app:layout_constraintRight_toRightOf="parent"
app:layout_constraintTop_toTopOf="parent"
tools:layout_constraintLeft_creator="1"
tools:layout_constraintTop_creator="1"/>
<Button
android:id="#+id/button_add"
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_alignParentStart="true"
android:layout_alignParentTop="true"
android:layout_marginEnd="8dp"
android:layout_marginStart="8dp"
android:drawableLeft="#drawable/ic_add"
android:drawablePadding="10dp"
android:drawableTint="#color/colorAdd"
android:paddingLeft="30dp"
android:paddingRight="30dp"
android:text="#string/addVehicle"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toBottomOf="#+id/vehicle_list" />
<android.support.v7.widget.RecyclerView
android:id="#+id/vehicle_list"
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_marginBottom="8dp"
android:layout_marginLeft="8dp"
android:layout_marginRight="8dp"
android:layout_marginTop="8dp"
app:layout_constraintBottom_toBottomOf="parent"
app:layout_constraintHorizontal_bias="0.0"
app:layout_constraintLeft_toLeftOf="parent"
app:layout_constraintRight_toRightOf="parent"
app:layout_constraintTop_toBottomOf="#+id/no_vehicles"
app:layout_constraintVertical_bias="0.0" />
</android.support.constraint.ConstraintLayout>
UPDATE
I got close but still feel so far. I've given up on trying to keep it in MainActivity and put it in FragmentMainAcitivity as suggested. Except now I have 2 can't resolve errors. The first being on view in view.findViewById button initialization AND on fragment_container in the callback method. Any thoughts on how to resolve this?
public class FragmentMainActivity extends Fragment {
Button button_add = view.findViewById(R.id.button_add);
#Nullable
#Override
public View onCreateView(LayoutInflater inflater, #Nullable ViewGroup container, #Nullable Bundle savedInstanceState) {
return inflater.inflate(R.layout.fragment_main, container, false);
button_add.setOnClickListener(new View.OnClickListener() {
#Override
public void onClick(View view) {
FragmentManager fragmentManager = getFragmentManager();
Fragment AddEditFragment = fragmentManager.findFragmentById(R.id.fragment_container);
getFragmentManager().beginTransaction().replace(fragment_container, AddEditFragment).commit();
}
});
}
}

easier way to do it is to put
onClick="AddEditRequestView"
in your fragment_main.xml
so it will be
<Button
android:id="#+id/button_add"
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_alignParentStart="true"
android:layout_alignParentTop="true"
android:layout_marginEnd="8dp"
android:layout_marginStart="8dp"
android:drawableLeft="#drawable/ic_add"
android:drawablePadding="10dp"
android:drawableTint="#color/colorAdd"
android:paddingLeft="30dp"
android:paddingRight="30dp"
android:text="#string/addVehicle"
android:onClick="AddEditRequestView"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toBottomOf="#+id/vehicle_list" />
and in your MainActivity.java
add this method
public void AddEditRequestView(View viewc){
AddEditRequest(null);
}
and delete these code from your activity
Button button_add = findViewById(R.id.button_add);
button_add.setOnClickListener(new View.OnClickListener() {
#Override
public void onClick(View view) {
AddEditRequest(null);
}
});

Navigation menu not working in Child Activity

so i made a menu class and now i try to extend my others activitys from that one
i get the button but the slide its not working in the others activitys but its apears on the left top... lest go to the code
this is my xml activity_navigatoin_menu
<?xml version="1.0" encoding="utf-8"?>
<android.support.v4.widget.DrawerLayout
android:id="#+id/drawer"
xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:app="http://schemas.android.com/apk/res-auto"
xmlns:tools="http://schemas.android.com/tools"
android:layout_width="match_parent"
android:layout_height="match_parent"
tools:context="ar.com.puebloyreforma.pyr.NavigationMenu">
<android.support.design.widget.NavigationView
app:headerLayout="#layout/menuheader"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:background="#color/caldroid_black"
app:itemTextColor="#color/white"
app:itemIconTint="#color/white"
app:menu="#menu/drawermenu"
android:layout_gravity="start"
>
</android.support.design.widget.NavigationView>
this is my menudrawer
<?xml version="1.0" encoding="utf-8"?>
<menu xmlns:android="http://schemas.android.com/apk/res/android">
<item android:id="#+id/noticias" android:title="Noticias" android:icon="#drawable/iconews"></item>
<item android:id="#+id/calendario" android:title="Calendario" android:icon="#drawable/icocalen"></item>
<item android:id="#+id/sysacad" android:title="Sysacad" android:icon="#drawable/icosysa"></item>
<item android:id="#+id/contacto" android:title="Contacto" android:icon="#drawable/icocon"></item>
<item android:id="#+id/reglamento" android:title="Reglamento" android:icon="#drawable/icoreg"></item>
</menu>
and here my activity
package ar.com.puebloyreforma.pyr;
import android.support.v4.widget.DrawerLayout;
import android.support.v7.app.ActionBar;
import android.support.v7.app.ActionBarDrawerToggle;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.view.MenuItem;
public class NavigationMenu extends AppCompatActivity {
private DrawerLayout mDL ;
private ActionBarDrawerToggle mT ;
#Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_navigation_menu);
mDL = (DrawerLayout) findViewById(R.id.drawer) ;
mT = new ActionBarDrawerToggle(this , mDL ,R.string.open , R.string.close) ;
mDL.addDrawerListener(mT);
mT.syncState();
getSupportActionBar().setDisplayHomeAsUpEnabled(true);
}
#Override
public boolean onOptionsItemSelected(MenuItem item) {
if (mT.onOptionsItemSelected(item)){
return true ;
}
return super.onOptionsItemSelected(item);
}
}
and this is one child activity
package ar.com.puebloyreforma.pyr;
import android.app.ActionBar;
import android.content.Context;
import android.content.Intent;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.view.LayoutInflater;
import android.view.View;
import android.widget.Button;
public class PdfsActivity extends NavigationMenu {
public String getTarget() {
return target;
}
public void setTarget(String target) {
this.target = target;
}
public String target ;
#Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_pdfs);
Button tt , tm , tn, reg ;
tt = (Button)this.findViewById(R.id.tt);
tm = (Button)this.findViewById(R.id.tm);
tn = (Button)this.findViewById(R.id.tn);
reg = (Button)this.findViewById(R.id.reg);
final String pdfs[] = {"tm" ,
"tt" ,
"tn",
"Ord1549"
} ;
tm.setOnClickListener(new View.OnClickListener() {
#Override
public void onClick(View view) {
setTarget(pdfs[0]);
Intent hola = new Intent (PdfsActivity.this,ReglamentoActivity.class);
hola.putExtra("TARGET", getTarget());
startActivity(hola);
}
});
tt.setOnClickListener(new View.OnClickListener() {
#Override
public void onClick(View view) {
setTarget(pdfs[1]);
Intent hola = new Intent (PdfsActivity.this,ReglamentoActivity.class);
hola.putExtra("TARGET", getTarget());
startActivity(hola);
}
});
tn.setOnClickListener(new View.OnClickListener() {
#Override
public void onClick(View view) {
setTarget(pdfs[2]);
Intent hola = new Intent (PdfsActivity.this,ReglamentoActivity.class);
hola.putExtra("TARGET", getTarget());
startActivity(hola);
}
});
reg.setOnClickListener(new View.OnClickListener() {
#Override
public void onClick(View view) {
setTarget(pdfs[3]);
Intent hola = new Intent (PdfsActivity.this,ReglamentoActivity.class);
hola.putExtra("TARGET", getTarget());
startActivity(hola);
}
});
}
that has its onw layout
<?xml version="1.0" encoding="utf-8"?>
<android.support.constraint.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:app="http://schemas.android.com/apk/res-auto"
xmlns:tools="http://schemas.android.com/tools"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:orientation="vertical"
tools:context="ar.com.puebloyreforma.pyr.PdfsActivity">
<Button
android:id="#+id/tm"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="MAñANA"
android:layout_marginRight="60dp"
app:layout_constraintTop_toTopOf="parent"
android:layout_marginTop="8dp"
app:layout_constraintBottom_toBottomOf="parent"
android:layout_marginBottom="8dp"
app:layout_constraintRight_toRightOf="parent"
app:layout_constraintVertical_bias="0.758"
android:layout_marginLeft="8dp"
app:layout_constraintLeft_toLeftOf="parent" />
<Button
android:id="#+id/tt"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="TARDE"
android:layout_marginBottom="8dp"
app:layout_constraintTop_toTopOf="parent"
android:layout_marginTop="8dp"
app:layout_constraintBottom_toBottomOf="parent"
app:layout_constraintVertical_bias="0.335"
android:layout_marginRight="123dp"
app:layout_constraintRight_toRightOf="parent" />
<Button
android:id="#+id/tn"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="NOCHE"
app:layout_constraintTop_toTopOf="parent"
android:layout_marginTop="8dp"
app:layout_constraintBottom_toBottomOf="parent"
android:layout_marginBottom="8dp"
android:layout_marginLeft="68dp"
app:layout_constraintVertical_bias="0.572"
app:layout_constraintLeft_toLeftOf="parent" />
<Button
android:id="#+id/reg"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="REGLA"
app:layout_constraintLeft_toRightOf="#+id/tn"
android:layout_marginLeft="0dp"
app:layout_constraintTop_toTopOf="parent"
android:layout_marginTop="8dp"
app:layout_constraintBottom_toBottomOf="parent"
android:layout_marginBottom="8dp"
android:layout_marginRight="8dp"
app:layout_constraintVertical_bias="0.572"
app:layout_constraintRight_toRightOf="parent"
app:layout_constraintHorizontal_bias="0.713" />
</android.support.constraint.ConstraintLayout>

Let me post my code with which I manage to obtain NavigationDrawer in child activity.
MyAppCompatActivity(ParentActivity class)
public abstract class MyAppCompatActivity extends BaseAppCompatActivity {
#Override
public void setContentView(#LayoutRes int layoutResID) {
CoordinatorLayout activityParentBase = (CoordinatorLayout) getLayoutInflater().inflate(R.layout.activity_navigation_drawer, null);
RelativeLayout content = (RelativeLayout) activityParentBase.findViewById(R.id.content);
setContentView(activityParentBase);
getLayoutInflater().inflate(layoutResID, content, true);
super.setContentView(activityParentBase);
Toolbar toolbar = (Toolbar) findViewById(R.id.toolbar);
toolbar.setTitle("");
setSupportActionBar(toolbar);
final DrawerLayout drawer = (DrawerLayout) findViewById(R.id.drawer_layout);
ActionBarDrawerToggle toggle = new ActionBarDrawerToggle(
MyAppCompatActivity.this, drawer, toolbar, R.string.navigation_drawer_open, R.string.navigation_drawer_close);
drawer.addDrawerListener(toggle);
toggle.syncState();
NavigationView navigationView = (NavigationView) findViewById(R.id.nav_view);
navigationView.setNavigationItemSelectedListener(new NavigationView.OnNavigationItemSelectedListener() {
#Override
public boolean onNavigationItemSelected(#NonNull MenuItem item) {
int id = item.getItemId();
if (id == R.id.nav_item1) {
} else if (id == R.id.nav_item2) {
}
DrawerLayout drawer = (DrawerLayout) findViewById(R.id.drawer_layout);
drawer.closeDrawer(GravityCompat.START);
return true;
}
});
}
}
activity_navigation_drawer.xml(ParentActivity XML)
<android.support.design.widget.CoordinatorLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:app="http://schemas.android.com/apk/res-auto"
xmlns:tools="http://schemas.android.com/tools"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:fitsSystemWindows="true"
tools:context=".MyAppCompatActivity">
<android.support.design.widget.AppBarLayout
android:layout_width="match_parent"
android:layout_height="?attr/actionBarSize"
android:theme="#style/AppTheme.AppBarOverlay" >
<android.support.v7.widget.Toolbar
android:id="#+id/toolbar"
android:layout_width="match_parent"
android:layout_height="?attr/actionBarSize"
android:background="?attr/colorPrimary"
app:popupTheme="#style/AppTheme.PopupOverlay" />
</android.support.design.widget.AppBarLayout>
<android.support.v4.widget.DrawerLayout
android:layout_width="match_parent"
android:layout_height="match_parent"
android:id="#+id/drawer_layout"
app:layout_behavior="#string/appbar_scrolling_view_behavior"
tools:openDrawer="start">
<RelativeLayout
android:layout_width="match_parent"
android:layout_height="match_parent"
android:id="#+id/content" />
<android.support.design.widget.NavigationView
android:id="#+id/nav_view"
android:layout_width="wrap_content"
android:layout_height="match_parent"
android:layout_gravity="start"
android:fitsSystemWindows="true"
app:menu="#menu/menu_navigation_drawer" />
</android.support.v4.widget.DrawerLayout>
</android.support.design.widget.CoordinatorLayout>
ChildNavigationActivity (ChildActivity class)
public class ChildNavigationActivity extends MyAppCompatActivity {
#Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_child_navigation);
Toolbar toolbar = (Toolbar) findViewById(R.id.toolbar); //we have included "toolbar" in the parentactivity xml. So not need to do it in childactivity xml.
/**NOTE: Do Not use "setSupportActionBar(toolbar)" since you have already done it in your parent activity*/
toolbar.setTitle("ChildNavigationActivity");
}
}
activity_child_navigation(ChildActivity XML)
<FrameLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:app="http://schemas.android.com/apk/res-auto"
xmlns:tools="http://schemas.android.com/tools"
android:layout_width="match_parent"
android:layout_height="match_parent"
tools:context=".ChildNavigationActivity">
<!--Put all your ChildActivity Widgets here-->
</FrameLayout>

Android Eclipse Start Fragment from TabLayout Tab

I have implemented a TabLayout which has a few tabs & one of the tabs has a table & when a user clicks on a row in the table I need it to get rid of the tab layout, except for the toolbar & open up a new Fragment.
I've tried a few different ways but nothing seems to work, if anyone has any ideas, it'll will be much appreciated!
Thank you!
Cheers!
This is the activity_main.xml
<RelativeLayout
android:id="#+id/main_layout"
xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:app="http://schemas.android.com/apk/res-auto"
xmlns:tools="http://schemas.android.com/tools"
android:layout_width="match_parent"
android:layout_height="match_parent"
tools:context=".MainActivity">
<android.support.v7.widget.Toolbar
android:id="#+id/toolbar"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_alignParentTop="true"
android:background="?attr/colorPrimary"
android:elevation="6dp"
android:minHeight="?attr/actionBarSize"
android:theme="#style/ThemeOverlay.AppCompat.Dark.ActionBar"
app:popupTheme="#style/ThemeOverlay.AppCompat.Light"/>
<android.support.design.widget.TabLayout
android:id="#+id/tab_layout"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_below="#+id/toolbar"
android:background="?attr/colorPrimary"
android:elevation="6dp"
android:minHeight="?attr/actionBarSize"
android:theme="#style/ThemeOverlay.AppCompat.Dark.ActionBar"/>
<android.support.v4.view.ViewPager
android:id="#+id/pager"
android:layout_width="match_parent"
android:layout_height="fill_parent"
android:layout_below="#id/tab_layout"/>
</RelativeLayout>
& this is the MainActivity.java
public class MainActivity extends AppCompatActivity {
#Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
Toolbar toolbar = (Toolbar) findViewById(R.id.toolbar);
setSupportActionBar(toolbar);
TabLayout tabLayout = (TabLayout) findViewById(R.id.tab_layout);
tabLayout.addTab(tabLayout.newTab().setText("Tab1"));
tabLayout.addTab(tabLayout.newTab().setText("Tab2"));
tabLayout.setTabGravity(TabLayout.GRAVITY_FILL);
tabLayout.setTabMode(TabLayout.MODE_SCROLLABLE);
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.setOnTabSelectedListener(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) {
}
});
}
#Override
public boolean onCreateOptionsMenu(Menu menu) {
//getMenuInflater().inflate(R.menu.menu_main, menu);
return true;
}
#Override
public boolean onOptionsItemSelected(MenuItem item) {
int id = item.getItemId();
if (id == R.id.action_settings) {
return true;
}
return super.onOptionsItemSelected(item);
}
}
& this is tab1.xml
<FrameLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:tools="http://schemas.android.com/tools"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:paddingBottom="#dimen/activity_vertical_margin"
android:paddingLeft="#dimen/activity_horizontal_margin"
android:paddingRight="#dimen/activity_horizontal_margin"
android:paddingTop="#dimen/activity_vertical_margin"
android:background="#F0F0F0" >
<ScrollView
android:id="#+id/scrollView"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:layout_centerHorizontal="true"
android:layout_centerVertical="true"
android:gravity="center" >
<TableLayout
android:id="#+id/table"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:gravity="center" >
</TableLayout>
<RelativeLayout
android:id="#+id/loadingPanel"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:gravity="center" >
<ProgressBar
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:indeterminate="true" />
</RelativeLayout>
</FrameLayout>
& this is Tab1.java
public class TopStories extends Fragment {
A lot of code goes here............
public void createTable() {
TableLayout table = (TableLayout) getActivity().findViewById(R.id.table);
table.setBackgroundColor(Color.rgb(240, 240, 240));
table.setStretchAllColumns(true);
table.setShrinkAllColumns(true);
table.removeAllViews();
TableRow row = new TableRow(getActivity());
row .setGravity(Gravity.CENTER);
row .setPadding(0, 10, 0, 10);
row .setBackgroundColor(Color.WHITE);
row .setClickable(true);
TableRow.LayoutParams params = new TableRow.LayoutParams();
row .setOnClickListener(new OnClickListener() {
#Override
public void onClick(View v) {
This is where I need to start up the new fragment (NewFragment.Java).
}
});
}
}
#Override
public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
return inflater.inflate(R.layout.fragment_topstories, container, false);
}
}
NewFragment.java
public class NewFragment extends Fragment {
public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
return inflater.inflate(R.layout.newfragment, container, false);
}
}
newfragment.xml
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:orientation="vertical" >
<RelativeLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_weight="1.04" >
<ImageView
android:id="#+id/image"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignParentLeft="true"
android:layout_alignParentTop="true"
android:layout_marginLeft="17dp"
android:layout_marginTop="18dp"/>
<TextView
android:id="#+id/title"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_below="#+id/imageView1"
android:layout_centerHorizontal="true"
android:layout_marginTop="37dp"
android:text="Large Text"
android:textAppearance="?android:attr/textAppearanceLarge" />
<TextView
android:id="#+id/text"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_below="#+id/imageView1"
android:layout_marginTop="87dp"
android:text="Medium Text"
android:textAppearance="?android:attr/textAppearanceMedium" />
</RelativeLayout>
</LinearLayout>

I think you need to give the fragment somewhere to replace. Here is the XML from my app, and when I swap fragments, they post to flcontent.
<android.support.v4.widget.DrawerLayout
xmlns:android="http://schemas.android.com/apk
xmlns:app="http://schemas.android.com/apk/res
android:id="#+id/drawer_layout"
android:layout_width="match_parent"
android:layout_height="match_parent">
<LinearLayout
android:layout_width="match_parent"
android:layout_height="match_parent"
android:orientation="vertical">
<!-- The ActionBar -->
<include
layout="#layout/toolbar"
android:layout_width="match_parent"
android:layout_height="wrap_content"
<!-- The main content view -->
<FrameLayout
android:id="#+id/flContent"
android:layout_width="match_parent"
android:layout_height="match_parent"
</LinearLayout>
<!-- The navigation drawer -->
<android.support.design.widget.NavigationView
android:id="#+id/nvView"
android:layout_width="wrap_content"
android:layout_height="match_parent"
android:layout_gravity="start"
android:background="#android:color/white"
app:menu="#menu/drawer_view"
app:headerLayout="#layout/nav_header"/>
and the class code
// Insert the fragment by replacing any existing fragment
FragmentManager fm = getSupportFragmentManager();
FragmentTransaction ft = fm.beginTransaction();
ft.replace(R.id.flContent, fragment);
ft.addToBackStack(null);
ft.commit();

Alright so I think that I figured out a really cheap & a cheeky way to do this & probably not very healthy for the app but it works perfect!
Thank you very much for the help Brian! Appreciate it! Maybe you can do this for the backstack problem of your app as well, don't know if it will work or the right thing that you need to do though.
Cheers!
Added a FrameLayout to my main_activity.xml
<RelativeLayout
android:id="#+id/main_layout"
xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:app="http://schemas.android.com/apk/res-auto"
xmlns:tools="http://schemas.android.com/tools"
android:layout_width="match_parent"
android:layout_height="match_parent"
tools:context=".MainActivity">
<android.support.v7.widget.Toolbar
android:id="#+id/toolbar"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_alignParentTop="true"
android:background="?attr/colorPrimary"
android:elevation="6dp"
android:minHeight="?attr/actionBarSize"
android:theme="#style/ThemeOverlay.AppCompat.Dark.ActionBar"
app:popupTheme="#style/ThemeOverlay.AppCompat.Light"/>
<android.support.design.widget.TabLayout
android:id="#+id/tab_layout"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_below="#+id/toolbar"
android:background="?attr/colorPrimary"
android:elevation="6dp"
android:minHeight="?attr/actionBarSize"
android:theme="#style/ThemeOverlay.AppCompat.Dark.ActionBar"/>
<android.support.v4.view.ViewPager
android:id="#+id/pager"
android:layout_width="match_parent"
android:layout_height="fill_parent"
android:layout_below="#id/tab_layout"/>
<FrameLayout
android:id="#+id/flContent"
android:layout_width="match_parent"
android:layout_height="match_parent" >
</FrameLayout>
</RelativeLayout>
Changed my newfragment.xml to this
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:id="#+id/fullStoryLinearLayout"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:orientation="vertical" >
<RelativeLayout
android:id="#+id/fullStoryRelativeLayout"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_weight="1.04" >
<ImageView
android:id="#+id/image"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignParentLeft="true"
android:layout_alignParentTop="true"
android:layout_marginLeft="17dp"
android:layout_marginTop="80dp"/>
<TextView
android:id="#+id/fullStorytitle"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_below="#+id/imageView1"
android:layout_centerHorizontal="true"
android:layout_marginTop="80dp"
android:text="Large Text"
android:textAppearance="?android:attr/textAppearanceLarge" />
<TextView
android:id="#+id/fullStory"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignParentLeft="true"
android:layout_below="#+id/image"
android:layout_marginTop="50dp"
android:text="Medium Text"
android:textAppearance="?android:attr/textAppearanceMedium" />
</RelativeLayout>
</LinearLayout>
& added this to the onClick event of the table row
row.setOnClickListener(new OnClickListener() {
#Override
public void onClick(View v) {
getActivity().findViewById(R.id.tab_layout).setVisibility(View.GONE);
getActivity().findViewById(R.id.pager).setVisibility(View.GONE);
((AppCompatActivity)getActivity()).getSupportActionBar().setDisplayHomeAsUpEnabled(true);
((AppCompatActivity)getActivity()).getSupportActionBar().setTitle("New Fragment");
Fragment fragment = null;
Class fragmentClass = NewFragment.class;
try {
fragment = (Fragment) fragmentClass.newInstance();
} catch (Exception e) {
e.printStackTrace();
}
FragmentManager fragmentManager = getActivity().getSupportFragmentManager();
FragmentTransaction fragmentTransaction = fragmentManager.beginTransaction();
fragmentTransaction.replace(R.id.flContent, fragment);
fragmentTransaction.commit();
}
});
& to go back to the main TabLayout from the NewFragment, I added this at MainActivity.java
#Override
public boolean onOptionsItemSelected(MenuItem item) {
int id = item.getItemId();
switch (id) {
case android.R.id.home:
onBackPressed();
return true;
default:
return super.onOptionsItemSelected(item);
}
}
#Override
public boolean onKeyDown(int keyCode, KeyEvent event) {
switch(keyCode){
case KeyEvent.KEYCODE_BACK:
if (getSupportActionBar().getTitle() != "Main Activity"){
onBackPressed();
}
else {
System.exit(0);
}
return true;
}
return super.onKeyDown(keyCode, event);
}
public void onBackPressed(){
getSupportActionBar().setDisplayHomeAsUpEnabled(false);
getSupportActionBar().setTitle("Main Activity");
findViewById(R.id.fullStoryLinearLayout).setVisibility(View.GONE);
findViewById(R.id.tab_layout).setVisibility(View.VISIBLE);
findViewById(R.id.pager).setVisibility(View.VISIBLE);
}

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