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Why does listview is not showing on my emulator?

I'm making simple listview of therapies and the list is not showing on the emulator. I've upgraded and downgraded my api from 22 to 30 and change relative layout to linear layout but still the list is not showing.
activty_stress.xml
<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout
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"
android:weightSum="9"
android:background="#83BCD4"
tools:context=".stress">
<TextView
android:id="#+id/textView4"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_centerHorizontal="true"
android:text="Find your relaxation"
android:textColor="#color/white"
android:textSize="18pt" />
<ListView
android:id="#+id/listview"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_marginTop="70dp"/>
</RelativeLayout>
stress.java
#Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_stress);
ListView listView = findViewById(R.id.listview);
List<String> list = new ArrayList<>();
list.add("Therapy1");
list.add("Therapy2");
list.add("Therapy3");
list.add("Therapy4");
list.add("Therapy5");
ArrayAdapter arrayAdapter = new ArrayAdapter(this, android.R.layout.simple_list_item_1,list);
listView.setAdapter(arrayAdapter);
listView.setOnItemClickListener(new AdapterView.OnItemClickListener() {
#Override
public void onItemClick(AdapterView<?> parent, View view, int position, long id) {
if (position==0){
//clicked therapy1
startActivity(new Intent(stress.this,Therapy1.class));
} else if (position==1){
//clicked therapy2
}else{
}
}
});
}

Heyy try replacing your RelativeLayout with LinearLayout, or remove weightSum because weightSum cannot be used with RelativeLayout

Replace with this code.
Note: Whenever you give textSize, give it in sp not in Pixel.
activty_stress.xml
<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout 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:background="#83BCD4"
android:orientation="vertical">
<TextView
android:id="#+id/textView4"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_centerHorizontal="true"
android:text="Find your relaxation"
android:textColor="#color/white"
android:textSize="30sp" />
<ListView
android:id="#+id/listview"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_marginTop="70dp" />
</RelativeLayout>
stress.java
#Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
ListView listView = findViewById(R.id.listview);
List<String> list = new ArrayList<>();
list.add("Therapy1");
list.add("Therapy2");
list.add("Therapy3");
list.add("Therapy4");
list.add("Therapy5");
ArrayAdapter arrayAdapter = new ArrayAdapter(this, android.R.layout.simple_list_item_1, list);
listView.setAdapter(arrayAdapter);
listView.setOnItemClickListener(new AdapterView.OnItemClickListener() {
#Override
public void onItemClick(AdapterView<?> parent, View view, int position, long id) {
if (position == 0) {
//clicked therapy1
// startActivity(new Intent(stress.this,Therapy1.class));
} else if (position == 1) {
//clicked therapy2
} else {
}
}
});
}
Output:

ConstraintLayout with ListView doesn't show any data

I've constructed a simple app that consist of a FloatingActionButton and a Snackbar.
When the user clicks the FAB, the actual date should be displayed in main content of app.
Unfortunately, when I'm clicking on the FAB only the Snackbar's working. ListItems doesn't show anything.
What's wrong with my code?
MainActivity.java:
public class MainActivity extends AppCompatActivity {
ArrayList<String> listItems = new ArrayList<String>();
ArrayAdapter<String> adapter;
private ListView myListView;
#Override
protected void onStart() {
super.onStart();
myListView = findViewById(R.id.listView);
adapter = new ArrayAdapter<>(this, android.R.layout.simple_list_item_1, listItems);
myListView.setAdapter(adapter);
}
#Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
Toolbar toolbar = findViewById(R.id.toolbar);
setSupportActionBar(toolbar);
FloatingActionButton fab = findViewById(R.id.fab);
fab.setOnClickListener(new View.OnClickListener() {
#Override
public void onClick(View view) {
addListItem();
Snackbar.make(view, "Item added to list", Snackbar.LENGTH_LONG)
.setAction("Action", null).show();
}
});
}
#Override
public boolean onCreateOptionsMenu(Menu menu) {
// Inflate the menu; this adds items to the action bar if it is present.
getMenuInflater().inflate(R.menu.menu_main, 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);
}
private void addListItem(){
SimpleDateFormat dateFormat = new SimpleDateFormat("HH:mm:ss MM/dd/yyyy", Locale.US);
listItems.add(dateFormat.format(new Date()));
adapter.notifyDataSetChanged();
}
}
XML of it:
<?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">
<com.google.android.material.appbar.AppBarLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:theme="#style/Theme.FabExample.AppBarOverlay">
<androidx.appcompat.widget.Toolbar
android:id="#+id/toolbar"
android:layout_width="match_parent"
android:layout_height="?attr/actionBarSize"
android:background="?attr/colorPrimary"
app:popupTheme="#style/Theme.FabExample.PopupOverlay" />
</com.google.android.material.appbar.AppBarLayout>
<include layout="#layout/content_main" />
<com.google.android.material.floatingactionbutton.FloatingActionButton
android:id="#+id/fab"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_gravity="bottom|end"
android:layout_margin="#dimen/fab_margin"
app:srcCompat="#drawable/ic_add_entry" />
</androidx.coordinatorlayout.widget.CoordinatorLayout>
Fragment's java:
public class FirstFragment extends Fragment {
#Override
public View onCreateView(
LayoutInflater inflater, ViewGroup container,
Bundle savedInstanceState) {
// Inflate the layout for this fragment
return inflater.inflate(R.layout.fragment_first, container, false);
}
public void onViewCreated(#NonNull View view, Bundle savedState) {
super.onViewCreated(view, savedState);
}
}
Fragment's XML:
<?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=".FirstFragment">
<ListView
android:id="#+id/listView"
android:layout_width="0dp"
android:layout_height="0dp"
tools:layout_editor_absoluteX="117dp"
tools:layout_editor_absoluteY="332dp" />
</androidx.constraintlayout.widget.ConstraintLayout>

I've not run your code, but it looks pretty good overall. Items are being added to the list and adapter.notifyDataSetChanged(); is being called afterwards. But one small item, you can call add directly on the adapter and it will notify regarding the change.
Platform source code for ArrayAdapter:
public void add(#Nullable T object) {
synchronized (mLock) {
if (mOriginalValues != null) {
mOriginalValues.add(object);
} else {
mObjects.add(object);
}
mObjectsFromResources = false;
}
if (mNotifyOnChange) notifyDataSetChanged();
}
One thing that stands out, the ListView layout does not look right:
<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=".FirstFragment">
<ListView
android:id="#+id/listView"
android:layout_width="0dp"
android:layout_height="0dp"
tools:layout_editor_absoluteX="117dp"
tools:layout_editor_absoluteY="332dp" />
</androidx.constraintlayout.widget.ConstraintLayout>
It has no height or width
There are no constraints
I would suggest changing it to:
android:layout_width="match_parent"
android:layout_height="match_parent"
[Perhaps wrap_content depending on your requirements.]
Also be sure to add some constraints to your ConstraintLayout. If you're not sure, press "infer constraints" at the top of the design editor or use a simpler ViewGroup container. But the ones there now in the "tools:" namespace are only used by the Android Studio "design" tab. They are not meant for the actual device.
For example:
app:layout_constraintBottom_toBottomOf="parent"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toTopOf="parent"

Issues with Android Soft Keyboard and panAdjust

I am trying to achieve similar effect to the one found in Todoits application where you can click on FAB and it shows a floating popup for adding new task.
This is how it looks:
The closest to it I managed to achieve is this:
It is nearly there, but I want the popup to be about 10dp above the keyboard and scroll the recycle viewer to the last item but I can't get it there :/ Currently, the popup is centred.
I have tried before adding the popup to the bottom of the screen and setting android:windowSoftInputMode="adjustResize" but this was moving my bottom navigation above the keyboard too. Setting windowsSoftInputMode to panAdjust was cutting away the toolbar and few items from the list.
Have you got any suggestions about how to achieve similar effect to the one in Todoist? Maybe with a DialogFragment?
Below is my current code (navigation bar implementation is still not completed):
MainActivity:
public class MainActivity extends AppCompatActivity {
private WorkoutsListFragment workoutsListFragment;
#Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
Toolbar myToolbar = findViewById(R.id.my_toolbar);
setSupportActionBar(myToolbar);
ActionBar actionBar = getSupportActionBar();
this.workoutsListFragment = new WorkoutsListFragment();
getSupportFragmentManager()
.beginTransaction()
.add(R.id.main_layout, workoutsListFragment)
.commit();
}
}
WorkoutListFragment:
public class WorkoutsListFragment extends Fragment
implements View.OnClickListener, WorkoutListViewHolderInterface {
private RecyclerView recyclerView;
private WorkoutListRecycleViewAdapter recycleViewAdapter;
private AddBoxView addBoxView;
private FloatingActionButton actionButton;
private InputMethodManager imm;
private WorkoutViewModel workoutViewModel;
private boolean addBoxStatus;
public WorkoutsListFragment() {}
#Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
this.addBoxStatus = false;
//Irrelevant code removed (Dagger 2 DI)
this.workoutViewModel =
ViewModelProviders.of(this, workoutViewModelFactory).get(WorkoutViewModel.class);
workoutViewModel.init(7);
workoutViewModel.getWorkout().observe(this, w -> this.updateWorkoutsList(w, false));
this.imm = (InputMethodManager) getContext().getSystemService(Context.INPUT_METHOD_SERVICE);
}
#Override
public View onCreateView(
#NonNull LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
View view = inflater.inflate(R.layout.fragment_workouts_list, container, false);
this.recyclerView = view.findViewById(R.id.workoutsList);
// this.recyclerView.setHasFixedSize(true);
RecyclerView.LayoutManager recyclerViewLayoutManager = new LinearLayoutManager(getContext());
this.recyclerView.setLayoutManager(recyclerViewLayoutManager);
this.recycleViewAdapter = new WorkoutListRecycleViewAdapter(this);
this.recyclerView.setAdapter(recycleViewAdapter);
this.actionButton = view.findViewById(R.id.floating_action_add_workout);
this.actionButton.setOnClickListener(this);
this.addBoxView = new AddBoxView(Objects.requireNonNull(getContext()));
FrameLayout.LayoutParams addBoxLayoutParams =
new FrameLayout.LayoutParams(
ViewGroup.LayoutParams.MATCH_PARENT,
FrameLayout.LayoutParams.WRAP_CONTENT,
Gravity.CENTER);
this.addBoxView.setLayoutParams(addBoxLayoutParams);
this.addBoxView.getButton().setOnClickListener(this);
return view;
}
#Override
public void onClick(View v) {
switch (v.getId()) {
case R.id.floating_action_add_workout:
this.addBoxView((FrameLayout) v.getParent(), v);
break;
case R.id.overlay_layout:
removeAddBoxView((FrameLayout) v);
break;
case R.id.button:
this.addNewWorkout(this.addBoxView.getInputText());
break;
}
}
//Irrelevant code removed....
private void addBoxView(FrameLayout viewGroup, View v) {
this.addBoxStatus = true;
viewGroup.setClickable(true);
viewGroup.setOnClickListener(this);
viewGroup.setBackgroundColor(
getResources().getColor(R.color.cardview_shadow_start_color, null));
viewGroup.removeView(v);
viewGroup.addView(this.addBoxView);
this.addBoxView.requestInputFocus();
this.imm.showSoftInput(this.addBoxView.getInput(), InputMethodManager.SHOW_IMPLICIT);
}
private void removeAddBoxView(FrameLayout viewGroup) {
viewGroup.setClickable(false);
this.imm.hideSoftInputFromWindow(this.addBoxView.getInput().getWindowToken(), 0);
viewGroup.removeView(this.addBoxView);
viewGroup.setBackgroundColor(getResources().getColor(R.color.cardview_shadow_end_color, null));
viewGroup.addView(this.actionButton);
this.addBoxStatus = false;
}
}
Fragment_workouts_list layout:
<?xml version="1.0" encoding="utf-8"?>
<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"
android:background="#e1e1e1"
android:padding="0dp"
tools:context=".Activities.MainActivity.Fragments.Workouts.WorkoutsListFragment"
tools:layout_editor_absoluteY="81dp">
<android.support.v7.widget.RecyclerView
android:id="#+id/workoutsList"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:clipChildren="false"
android:clipToPadding="false"
android:elevation="0dp"
android:scrollbars="vertical"
app:layout_constraintBottom_toTopOf="#+id/add_box_view"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toTopOf="parent">
</android.support.v7.widget.RecyclerView>
<FrameLayout
android:id="#+id/overlay_layout"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:clickable="false"
android:outlineProvider="bounds">
<android.support.design.widget.FloatingActionButton
android:id="#+id/floating_action_add_workout"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_gravity="bottom|end"
android:layout_marginBottom="40dp"
android:layout_marginEnd="40dp"
android:clickable="true"
android:src="#android:color/holo_blue_dark" />
</FrameLayout>
</FrameLayout>
MainActivity Layout
<?xml version="1.0" encoding="utf-8"?>
<android.support.constraint.ConstraintLayout
android:id="#+id/root_view"
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_height="match_parent"
android:layout_width="match_parent"
android:orientation="vertical">
<android.support.v7.widget.Toolbar
android:id="#+id/my_toolbar"
android:layout_width="match_parent"
android:layout_height="?attr/actionBarSize"
android:background="?attr/colorPrimary"
android:elevation="4dp"
android:theme="#style/AppTheme.AppBar" />
<FrameLayout
android:id="#+id/main_layout"
android:layout_width="0dp"
android:layout_height="0dp"
app:layout_constraintBottom_toTopOf="#+id/navigation"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toBottomOf="#+id/my_toolbar">
</FrameLayout>
<android.support.design.widget.BottomNavigationView xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:app="http://schemas.android.com/apk/res-auto"
android:id="#+id/navigation"
android:layout_width="match_parent"
android:layout_height="56dp"
android:background="#color/colorPrimary"
android:foregroundGravity="bottom"
android:visibility="visible"
app:itemTextColor="#color/textColorWhite"
app:layout_constraintBottom_toBottomOf="parent"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintStart_toStartOf="parent"
app:menu="#menu/my_navigation_items" />
</android.support.constraint.ConstraintLayout>

How to add onClick event for individual cardview elements NOT in recyclerview in android?

I'm working an app that has a list of cardviews and I want each cardview to open a certain activity when tapped. I am not using any recyclerviews or adapters, I have just created a multiple cardview xml files and included them into my main xml in coordinatorlayout and collapsingtoolbarlayout. I have tried to create onClick event for individual cardviews but app keeps crashing.
Following is my main.xml code:
<android.support.design.widget.AppBarLayout
android:layout_width="match_parent"
android:layout_height="250dp"
android:theme="#style/ThemeOverlay.AppCompat.Dark.ActionBar">
<android.support.design.widget.CollapsingToolbarLayout
android:id="#+id/collapsing_toolbar"
android:layout_width="match_parent"
android:layout_height="match_parent"
app:contentScrim="?attr/colorPrimary"
app:layout_scrollFlags="scroll|exitUntilCollapsed">
<ImageView
android:layout_width="match_parent"
android:layout_height="match_parent"
android:scaleType="centerCrop"
android:fitsSystemWindows="true"
android:background="#drawable/pic3"
android:id="#+id/profile_id"
app:layout_collapseMode="parallax" />
<android.support.v7.widget.Toolbar
android:id="#+id/toolbar"
android:layout_width="match_parent"
android:layout_height="?attr/actionBarSize"
app:layout_collapseMode="pin" />
</android.support.design.widget.CollapsingToolbarLayout>
</android.support.design.widget.AppBarLayout>
<android.support.v4.widget.NestedScrollView
android:layout_width="match_parent"
android:layout_height="match_parent"
android:background="#FFFFFF"
app:layout_behavior="#string/appbar_scrolling_view_behavior">
<LinearLayout
android:layout_width="match_parent"
android:layout_height="match_parent"
android:orientation="vertical"
android:paddingTop="10dp">
<include layout="#layout/card_layout1" />
<include layout="#layout/card_layout6"/>
<include layout="#layout/card_layout4"/>
<include layout="#layout/card_layout5"/>
</LinearLayout>
</android.support.v4.widget.NestedScrollView>
One of my cardviews xml:
<RelativeLayout
android:layout_width="match_parent"
android:layout_height="match_parent">
<ImageView
android:id="#+id/thumbnail"
android:layout_width="match_parent"
android:layout_height="250dp"
android:layout_alignParentTop="true"
android:src="#drawable/categories"
android:layout_marginTop="15dp"
android:layout_marginLeft="10dp"
android:layout_marginRight="10dp"/>
<TextView
android:id="#+id/title"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_below="#+id/thumbnail"
android:maxLines="3"
android:padding="8dp"
android:text="Categories"
android:textColor="#color/white"
android:textSize="22dp" />
<TextView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_below="#+id/title"
android:maxLines="3"
android:padding="8dp"
android:text="Embedded systems is ba jksdhkah jksadh bdkbadkwuhs hfoh dn ajbd arh fbkjasd akuhwkjd nsajkbf a dsadjna hwd nlksn ahrja snasfb kjasba sna"
android:textColor="#color/white"
android:textSize="14dp" />
</RelativeLayout>
And my MainActivity.java:
public class MainActivity extends AppCompatActivity implements View.OnClickListener {
private CollapsingToolbarLayout collapsingToolbarLayout=null;
#Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
Toolbar toolbar = (Toolbar) findViewById(R.id.toolbar);
setSupportActionBar(toolbar);
ActionBar actionBar = getSupportActionBar();
actionBar.setDisplayHomeAsUpEnabled(true);
collapsingToolbarLayout = (CollapsingToolbarLayout) findViewById(R.id.collapsing_toolbar);
collapsingToolbarLayout.setTitle(getResources().getString(R.string.user_name));
dynamicToolbarColor();
toolbarTextAppearance();
}
private void dynamicToolbarColor() {
Bitmap bitmap = BitmapFactory.decodeResource(getResources(),
R.drawable.elec);
Palette.from(bitmap).generate(new Palette.PaletteAsyncListener() {
#Override
public void onGenerated(Palette palette) {
int mutedColor = palette.getMutedColor(ContextCompat.getColor(MainActivity.this, R.color.colorPrimary));
collapsingToolbarLayout.setContentScrimColor(mutedColor);
}
});
}
private void toolbarTextAppearance(){
collapsingToolbarLayout.setCollapsedTitleTextAppearance(R.style.collapsedbar);
collapsingToolbarLayout.setExpandedTitleTextAppearance(R.style.expandedappbar);
}
#Override
public boolean onCreateOptionsMenu(Menu menu) {
// Inflate the menu; this adds items to the action bar if it is present.
getMenuInflater().inflate(R.menu.menu_main, menu);
return true;
}
#Override
public boolean onOptionsItemSelected(MenuItem item) {
return super.onOptionsItemSelected(item);
}
#Override
public void onClick(View v) {
}
}
How can I implement onClick event for each of my cardviews without using recyclerview and adapters?

It's a bad practice. But you can set tag to all card views, find them in code and set click listener:
in you main.xml
...
<LinearLayout
android:id="#+id/cardsContainer"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:orientation="vertical"
android:paddingTop="10dp">
<include layout="#layout/card_layout1" />
<include layout="#layout/card_layout6"/>
<include layout="#layout/card_layout4"/>
<include layout="#layout/card_layout5"/>
</LinearLayout>
...
all in you card layouts must have tag:
<android.support.v7.widget.CardView
android:tag="clickableCard"
...>
...
</android.support.v7.widget.CardView>
Than you need to find all views with thos tag clickableCard : (solution from here: Find all views with tag?)
private ArrayList<View> getViewsByTag(ViewGroup root, String tag){
ArrayList<View> views = new ArrayList<View>();
final int childCount = root.getChildCount();
for (int i = 0; i < childCount; i++) {
final View child = root.getChildAt(i);
if (child instanceof ViewGroup) {
views.addAll(getViewsByTag((ViewGroup) child, tag));
}
final Object tagObj = child.getTag();
if (tagObj != null && tagObj.equals(tag)) {
views.add(child);
}
}
return views;
}
in you MainActivity.java in the end of onCreate method you need to:
ArrayList<View> clickableViews = getViewsByTag(findViewById(R.id.cardsContainer), "clickableCard");
for (int i = 0; i < clickableViews.size(); i++) {
final Integer viewIndex = i;
View cardView = clickableViews.get(i);
cardView.setOnClickListener(new View.OnClickListener() {
#Override
public void onClick(View v) {
if (viewIndex == 0) {
// do work with first card
}
else if (viewIndex == 1) {
// do work with second card
}
...
}
});
}

Activity is hidden by fragment, it is not useable

i have builded an app that works perfectly on android with api higer than 21. The problem is that this instruction of my code:
mFragmentTransaction.replace(R.id.content_frame, new TabFragment()).commit();
Works in different way on API less then 21.
On Api less then 21 the new fragment hide the previus activity, so that i can't click on my Floating Action Button.
Here are two images that explain in abetter way my problem.
API HIGER THAN 21
API LESS THAN 21
So my question is: How can i have the same result in API less then 21 that i have on API Higer then 21?
Here is the affected part of the Main Activity Code:
public class MainActivity extends AppCompatActivity {
public static AppDataBase appDataBase;
public static UserDataBase userDataBase;
static FragmentManager mFragmentManager;
static FragmentTransaction mFragmentTransaction;
private DrawerLayout myDrawerLayout;
final String TXT_MAINACTVT_USER_HAVE_NOT_ADDED_CONSOLE = "Add a console!";
TextView currentConsole;
#Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
appDataBase = new AppDataBase(this);
userDataBase = new UserDataBase(this);
myDrawerLayout = (DrawerLayout) findViewById(R.id.drawer_layout);
currentConsole = (TextView) findViewById(R.id.txt_Mainactvt_currentConsole);
currentConsole.setText(TXT_MAINACTVT_USER_HAVE_NOT_ADDED_CONSOLE);
tabLayoutManagement();
floatingActionButtonManagement();
leftDrawerMenuManagement();
rigthDrawerMenuManagement();
populateMyConsole();
}
void tabLayoutManagement() {
mFragmentManager = getSupportFragmentManager();
mFragmentTransaction = mFragmentManager.beginTransaction();
mFragmentTransaction.replace(R.id.content_frame, new TabFragment()).commit();
}
// Floating Action Button
private void floatingActionButtonManagement() {
FloatingActionButton fab_addGame = (FloatingActionButton)findViewById(R.id.fab_AddGame);
fab_addGame.setOnClickListener(new View.OnClickListener() {
#Override
public void onClick(View v) {
/*
The currentConsole TextView is used to show at the user wich console is selected.
We use it to have a strng that conteins the selected console.
Call the method that manage the click event of the FloatingActionButton. We pass the console name.
*/
String currentConsoleName = currentConsole.getText().toString();
floatingActionButtonClickEvent(currentConsoleName);
}
});
}
private void floatingActionButtonClickEvent(String currentConsoleName) {
/*
Check if user have added a console. If he did start a menu for adding games, else start an
error message
*/
if (!currentConsoleName.equals(TXT_MAINACTVT_USER_HAVE_NOT_ADDED_CONSOLE)) {
popUpViewAddGameBuild(currentConsoleName);
}
else
mySimpleAlertDialogMethod("Attention!", "Before you enter game, you must enter a console.", true, true);
}
private void popUpViewAddGameBuild(String currentConsoleName) {
/*
Build the view that show the menu for adding games.
*/
LayoutInflater inflater = this.getLayoutInflater();
View popupView = inflater.inflate(R.layout.popupview_addgame, null);
PopupWindow popupWindow = new PopupWindow(
popupView,
WindowManager.LayoutParams.MATCH_PARENT,
WindowManager.LayoutParams.MATCH_PARENT);
popupWindow.setInputMethodMode(PopupWindow.INPUT_METHOD_NEEDED);
popupWindow.setFocusable(true);
popupWindow.showAtLocation(popupView, 0, 0, 0);
}
Here is the TabLayout Class:
public class TabFragment extends Fragment {
public static TabLayout tabLayout;
public static ViewPager viewPager;
#Override
public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
View x = inflater.inflate(R.layout.tab_layout, null);
tabLayout = (TabLayout) x.findViewById(R.id.tabs);
viewPager = (ViewPager) x.findViewById(R.id.viewpager);
viewPager.setAdapter(new MyAdapter(getChildFragmentManager()));
tabLayout.post(new Runnable() {
#Override
public void run() {
tabLayout.setupWithViewPager(viewPager);
}
});
return x;
}
public class MyAdapter extends FragmentPagerAdapter {
public int position;
public MyAdapter(FragmentManager fm) {
super(fm);
}
#Override
public Fragment getItem(int position) {
switch (position){
case 0 :
return new DesireFragment();
case 1 :
return new BuyedFragment();
case 2 :
return new StartedFragment();
case 3 :
return new FinishedFragment();
case 4 :
return new AllTrophiesFragment();
}
return null;
}
#Override
public int getCount() {
return 5;
}
#Override
public CharSequence getPageTitle(int position) {
switch (position){
case 0 :
return "Desire";
case 1 :
return "Buyed";
case 2 :
return "Started";
case 3 :
return "Finished";
case 4 :
return "AllTrophies";
}
return null;
}
}
}
There is the layout of the MainActivity:
<LinearLayout
xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:app="http://schemas.android.com/apk/res-auto"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:fitsSystemWindows="true"
android:layout_gravity="end"
android:orientation="vertical">
<RelativeLayout
android:layout_width="match_parent"
android:layout_height="wrap_content">
<android.support.v7.widget.Toolbar
xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:background="#color/colorPrimary"
android:id="#+id/toolbar"
android:theme="#style/ThemeOverlay.AppCompat.Dark.ActionBar"
app:navigationIcon="#drawable/ic_menu_white_24dp"
app:title="MyGames">
<Button
android:id="#+id/btnOpenRigthDrawer"
android:background="#drawable/ic_filter_list_white_24dp"
android:layout_width="30dp"
android:layout_height="30dp"
android:layout_marginRight="10dp"
android:layout_gravity="right" />
<Button
android:id="#+id/btnOpenOptions"
android:background="#drawable/ic_settings_white_24dp"
android:layout_width="30dp"
android:layout_height="30dp"
android:layout_marginRight="17dp"
android:layout_gravity="right" />
</android.support.v7.widget.Toolbar>
</RelativeLayout>
<android.support.v4.widget.DrawerLayout
xmlns:android="http://schemas.android.com/apk/res/android"
android:id="#+id/drawer_layout"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:scrollIndicators="bottom">
<FrameLayout
android:id="#+id/content_frame"
android:layout_width="match_parent"
android:layout_height="match_parent"
app:backgroundTint="#color/colorPrimary"
app:borderWidth="0dp">
<TextView
android:layout_width="wrap_content"
android:layout_height="30dp"
android:textAppearance="?android:attr/textAppearanceLarge"
android:id="#+id/txt_Mainactvt_currentConsole"
android:layout_gravity="center_horizontal|top"
android:layout_marginTop="50dp"/>
<android.support.design.widget.FloatingActionButton
android:id="#+id/fab_AddGame"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginBottom="17dp"
android:layout_marginRight="17dp"
android:src="#drawable/ic_mode_edit_white_24dp"
android:layout_gravity="bottom|right"
android:background="#color/colorPrimary" />
</FrameLayout>
<include
layout="#layout/drawer_left"
android:id="#+id/layLeft"
android:layout_gravity="start"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:scrollbars="vertical"/>
<include
layout="#layout/drawer_rigth"
android:id="#+id/layRigth"
android:layout_gravity="end"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:background="#ffffff"
android:scrollbars="vertical"
/>
</android.support.v4.widget.DrawerLayout>
And here is the layout code of the TabLayout:
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout
xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:app="http://schemas.android.com/apk/res-auto"
android:layout_width="match_parent"
android:orientation="vertical"
android:layout_height="wrap_content">
<android.support.design.widget.TabLayout
android:id="#+id/tabs"
app:tabGravity="fill"
app:tabMode="scrollable"
android:background="#color/colorPrimary"
app:tabIndicatorColor="#android:color/holo_orange_dark"
app:tabSelectedTextColor="#android:color/holo_orange_dark"
app:tabTextColor="#android:color/white"
android:layout_width="match_parent"
android:layout_height="wrap_content"
>
</android.support.design.widget.TabLayout>
<android.support.v4.view.ViewPager
android:id="#+id/viewpager"
android:layout_width="match_parent"
android:layout_height="match_parent">
</android.support.v4.view.ViewPager>

You replace the content of your FrameLayout with an Fragment. this leads to your strange result.
Add a Layout to your Framelayout instead and use it as your FragmentContainer:
<FrameLayout
android:layout_width="match_parent"
android:layout_height="match_parent"
app:backgroundTint="#color/colorPrimary"
app:borderWidth="0dp">
<LinearLayout
android:layout_width="match_parent"
android:layout_height="match_parent"
android:id="#+id/content_frame"/>
<TextView
android:layout_width="wrap_content"
android:layout_height="30dp"
android:textAppearance="?android:attr/textAppearanceLarge"
android:id="#+id/txt_Mainactvt_currentConsole"
android:layout_gravity="center_horizontal|top"
android:layout_marginTop="50dp"/>
<android.support.design.widget.FloatingActionButton
android:id="#+id/fab_AddGame"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginBottom="17dp"
android:layout_marginRight="17dp"
android:src="#drawable/ic_mode_edit_white_24dp"
android:layout_gravity="bottom|right"
android:background="#color/colorPrimary" />
</FrameLayout>

Try to place your FrameLayout with this button to the end of layout