FragmentTransaction replace keep old fragment

FragmentTransaction replace keep old fragment - java

I'm using fragment.replace to lunch a list of user in a chat application using parse and sinch,at the begin i'm using views but now I'm changing to fragments, but the place just append instead of replace the fragment. I'm using android.support.v4.app.Fragment,FragmentManager and FragmentTransaction. What am I doing wrong .
Here's my class:
import android.content.Context;
import android.content.Intent;
import android.support.v4.app.Fragment;
import android.support.v4.app.FragmentManager;
import android.support.v4.app.FragmentTransaction;
import android.os.Bundle;
import android.util.Log;
import android.view.LayoutInflater;
import android.view.MenuItem;
import android.view.View;
import android.view.ViewGroup;
import android.widget.Button;
import android.widget.EditText;
import android.widget.Toast;
import android.app.Activity;
import android.os.Bundle;
import com.parse.LogInCallback;
import com.parse.Parse;
import com.parse.ParseException;
import com.parse.ParseUser;
import com.parse.SignUpCallback;
import android.view.View;
import android.widget.Button;
import android.widget.EditText;
import android.widget.Toast;
import com.example.paul.mapasxavo.ListUsersActivity;
import com.example.paul.mapasxavo.R;
public class ChatActivity extends Fragment {
private Button signUpButton;
private Button loginButton;
private EditText usernameField;
private EditText passwordField;
private String username;
private String password;
private Intent intent;
private Intent serviceIntent;
Context thiscontext;
private final String TAG="ChatActivity";
public ChatActivity(){
}
#Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
if (currentUser != null) {
}
}
#Override
public void onDestroy() {
super.onDestroy();
}
#Override
public View onCreateView(LayoutInflater inflater, ViewGroup container,
Bundle savedInstanceState) {
View rootView = inflater.inflate(R.layout.activity_chat, container, false);
loginButton = (Button) rootView.findViewById(R.id.loginButton);
signUpButton = (Button) rootView.findViewById(R.id.signupButton);
usernameField = (EditText) rootView.findViewById(R.id.loginUsername);
passwordField = (EditText) rootView.findViewById(R.id.loginPassword);
loginButton = (Button) rootView.findViewById(R.id.loginButton);
signUpButton = (Button) rootView.findViewById(R.id.signupButton);
usernameField = (EditText) rootView.findViewById(R.id.loginUsername);
passwordField = (EditText) rootView.findViewById(R.id.loginPassword);
loginButton.setOnClickListener(new View.OnClickListener() {
#Override
public void onClick(View view) {
username = usernameField.getText().toString();
password = passwordField.getText().toString();
ParseUser.logInInBackground(username, password, new LogInCallback() {
public void done(ParseUser user, com.parse.ParseException e) {
if (user != null) {
ListUsersActivity listUsersActivity = new ListUsersActivity();
FragmentManager fragmentManager= getFragmentManager();
FragmentTransaction fragmentTransaction= fragmentManager.beginTransaction();
fragmentTransaction.replace(R.id.listados,listUsersActivity);
fragmentTransaction.commit();
Log.v(TAG,"boton login");
} else {
Toast.makeText(getActivity(),
getString(R.string.login_error),
Toast.LENGTH_LONG).show();
}
}
});
}
});
signUpButton.setOnClickListener(new View.OnClickListener() {
#Override
public void onClick(View view) {
username = usernameField.getText().toString();
password = passwordField.getText().toString();
ParseUser user = new ParseUser();
user.setUsername(username);
user.setPassword(password);
user.signUpInBackground(new SignUpCallback() {
public void done(com.parse.ParseException e) {
if (e == null) {
ListUsersActivity listUsersActivity = new ListUsersActivity();
FragmentManager fragmentManager= getFragmentManager();
FragmentTransaction fragmentTransaction= fragmentManager.beginTransaction();
fragmentTransaction.replace(R.id.listados,listUsersActivity);
fragmentTransaction.commit();
Log.v(TAG,"boton registrar");
} else {
Toast.makeText(getActivity(),
getString(R.string.sigin_error)
, Toast.LENGTH_LONG).show();
}
}
});
}
});
return rootView;
}
#Override
public void onAttach(Activity activity) {
super.onAttach(activity);
}
#Override
public void onDetach() {
super.onDetach();
}
#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);
}
}
My fragment is this:
<RelativeLayout 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:paddingLeft="#dimen/activity_horizontal_margin"
android:paddingRight="#dimen/activity_horizontal_margin"
android:paddingTop="#dimen/activity_vertical_margin"
android:paddingBottom="#dimen/activity_vertical_margin"
tools:context="com.example.paul.mapasxavo.ChatActivity">
<LinearLayout
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:layout_centerVertical="true"
android:id="#+id/listados"
android:orientation="vertical">
<TextView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginTop="40dp"
android:text="#string/txt_usuario"
android:id="#+id/loginUsernameText"
android:layout_gravity="center_horizontal"
android:textSize="20sp"/>
<EditText
android:id="#+id/loginUsername"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_marginTop="8dp"
android:inputType="text"
android:padding="10dp"
android:layout_marginLeft="30dp"
android:layout_marginRight="30dp">
<requestFocus/>
</EditText>
<TextView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginTop="40dp"
android:text="#string/txt_password"
android:id="#+id/loginPasswordText"
android:layout_gravity="center_horizontal"
android:textSize="20sp"/>
<EditText
android:id="#+id/loginPassword"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_marginTop="8dp"
android:layout_marginBottom="40dp"
android:inputType="textPassword"
android:padding="10dp"
android:layout_marginLeft="30dp"
android:layout_marginRight="30dp">
</EditText>
<LinearLayout
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:orientation="horizontal"
android:layout_marginBottom="40dp"
android:layout_gravity="center">
<Button
style="#style/botones"
android:id="#+id/loginButton"
android:layout_width="168dp"
android:layout_height="wrap_content"
android:text="Login"
/>
<Button
style="#style/botones"
android:id="#+id/signupButton"
android:layout_width="163dp"
android:layout_height="wrap_content"
android:text="Registrar"
/>
</LinearLayout>
</LinearLayout>
</RelativeLayout>
My replace fragment is this:
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:tools="http://schemas.android.com/tools"
android:layout_width="fill_parent"
android:layout_height="fill_parent"
android:orientation="vertical"
android:paddingLeft="#dimen/activity_horizontal_margin"
android:paddingRight="#dimen/activity_horizontal_margin"
android:paddingTop="#dimen/activity_vertical_margin"
android:paddingBottom="#dimen/activity_vertical_margin"
tools:context="com.example.paul.mapasxavo.ListUsersActivity">
<Button
style="#style/botones"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:text="#string/logout"
android:id="#+id/logoutButton"
android:gravity="center_vertical|center_horizontal"
android:layout_gravity="center_horizontal"
android:textSize="24sp"
android:padding="15dp"
/>
<ListView xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:padding="16dp"
android:background="#color/colorPrimary"
android:id="#+id/usersListView">
</ListView>
</LinearLayout>
Please give a hint.
Thanks a lot

Searchin inside the forum, found some anwers, based on this [link][Android Replace Fragment within a Fragment. I could make it work making some changes in fragment transaction and xml.
Chat Activity:
loginButton.setOnClickListener(new View.OnClickListener() {
#Override
public void onClick(View view) {
username = usernameField.getText().toString();
password = passwordField.getText().toString();
ParseUser.logInInBackground(username, password, new LogInCallback() {
public void done(ParseUser user, com.parse.ParseException e) {
if (user != null) {
FragmentManager fragmentManager = myContext.getSupportFragmentManager();
//start transaction
FragmentTransaction fragmentTransaction = fragmentManager.beginTransaction();
ListUsersActivity listUsersActivity = new ListUsersActivity();
fragmentTransaction.addToBackStack("xyz"); fragmentTransaction.replace(R.id.listados,listUsersActivity);
fragmentTransaction.commit();
serviceIntent = new Intent(getActivity().getApplicationContext(), MessageService.class);
getActivity().startService(serviceIntent);
} else {
Toast.makeText(getActivity(),
getString(R.string.login_error),
Toast.LENGTH_LONG).show();
}
}
);
}
});
activity_chat.xml:
<RelativeLayout 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:paddingLeft="#dimen/activity_horizontal_margin"
android:paddingRight="#dimen/activity_horizontal_margin"
android:paddingTop="#dimen/activity_vertical_margin"
android:paddingBottom="#dimen/activity_vertical_margin"
android:id="#+id/listados"
tools:context="com.example.paul.mapasxavo.ChatActivity">
Now it show as a a new layer over the last one.

Related

Cannot see widgets in tab layout in android studio

I am facing the problem of cannot see widgets in tab layouts. I have created textview and button in Overview Fragment but I cannot see them when run code. Is it right to initialize textviews and buttons in oncreateview() of fragment which we don't want to transfer to another tab. I have searched a lot about my problem but cannot get any hint. Code is given below:
package com.example.progluattempt;
import androidx.appcompat.app.AppCompatActivity;
import androidx.viewpager.widget.ViewPager;
import android.os.Bundle;
import com.google.android.material.tabs.TabItem;
import com.google.android.material.tabs.TabLayout;
public class GlucosePlotterTips extends AppCompatActivity {
#Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_glucose_plotter_tips);
TabLayout Tablayout1 = findViewById(R.id.Tablayout1);
TabItem OverviewTab = findViewById(R.id.Overviewtab);
TabItem HistoryTab = findViewById(R.id.Historytab);
TabItem TipsTab = findViewById(R.id.Tipstab);
ViewPager Viewpager1 = findViewById(R.id.viewpagery1);
PagerAdapter pagerAdapter = new PagerAdapter(getSupportFragmentManager(), Tablayout1.getTabCount());
Viewpager1.setAdapter(pagerAdapter);
Tablayout1.addOnTabSelectedListener(new TabLayout.OnTabSelectedListener() {
#Override
public void onTabSelected(TabLayout.Tab tab) {
Viewpager1.setCurrentItem(tab.getPosition());
}
#Override
public void onTabUnselected(TabLayout.Tab tab) {
}
#Override
public void onTabReselected(TabLayout.Tab tab) {
}
});
}
}
//PgeAdapter
package com.example.progluattempt;
import androidx.annotation.NonNull;
import androidx.fragment.app.Fragment;
import androidx.fragment.app.FragmentManager;
import androidx.fragment.app.FragmentPagerAdapter;
public class PagerAdapter extends FragmentPagerAdapter {
private int numoftabs;
public PagerAdapter(FragmentManager fm, int numoftabs){
super(fm);
this.numoftabs = numoftabs;
}
#NonNull
#Override
public Fragment getItem(int position) {
switch(position){
case 0:
return new OverviewFragment();
case 1:
return new HistoryFragment();
case 2:
return new TipsFragment();
default:
return null;
}
}
#Override
public int getCount() {
return numoftabs;
}
}
//Main.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=".GlucosePlotterTips">
<com.google.android.material.tabs.TabLayout
android:id="#+id/Tablayout1"
android:layout_width="match_parent"
android:layout_height="wrap_content"
app:layout_constraintBottom_toBottomOf="parent"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintHorizontal_bias="1.0"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toTopOf="parent"
app:layout_constraintVertical_bias="0.004">
<com.google.android.material.tabs.TabItem
android:id="#+id/Overviewtab"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="Overview" />
<com.google.android.material.tabs.TabItem
android:id="#+id/Historytab"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="History" />
<com.google.android.material.tabs.TabItem
android:id="#+id/Tipstab"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="Tips" />
</com.google.android.material.tabs.TabLayout>
<androidx.viewpager.widget.ViewPager
android:id="#+id/viewpagery1"
android:layout_width="0dp"
android:layout_height="0dp"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintTop_toBottomOf="parent" />
</androidx.constraintlayout.widget.ConstraintLayout>
//fragmentOverview
<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=".OverviewFragment">
<LinearLayout
android:layout_width="match_parent"
android:layout_height="183dp"
android:orientation="vertical">
<TextView
android:id="#+id/textViewov2"
android:layout_width="match_parent"
android:layout_height="56dp"
android:text="#string/overview1"
android:textColor="#color/black"
android:textSize="24sp"
android:textStyle="bold" />
<TextView
android:id="#+id/textViewov3"
android:layout_width="match_parent"
android:layout_height="46dp"
android:text="TextView"
android:textColor="#color/black"
android:textSize="18sp" />
</LinearLayout>
<Button
android:id="#+id/buttonov2"
android:layout_width="277dp"
android:layout_height="93dp"
android:layout_gravity="center"
android:text="#string/planner"
android:textColor="#color/black"
android:textSize="24sp"
app:backgroundTint="#color/Yellow" />
//OverviewFragment
package com.example.progluattempt;
import android.content.Intent;
import android.os.Bundle;
import androidx.annotation.Nullable;
import androidx.fragment.app.Fragment;
import android.content.Intent;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.Button;
import android.widget.TextView;
public class OverviewFragment extends Fragment {
TextView Results, Condition;
Button Mybuttonov2;
public OverviewFragment() {
}
#Override
public View onCreateView(LayoutInflater inflater, ViewGroup container,
Bundle savedInstanceState) {
View view = inflater.inflate(R.layout.fragment_overview, container, false);
Results = (TextView) view.findViewById(R.id.textViewov2);
Intent i =getActivity().getIntent();
String LatestReading=i.getStringExtra("TimeofReading");
Results.setText("Last Checked: " +LatestReading);
//type
Condition = (TextView) view.findViewById(R.id.textViewov3);
String TypeofDiab = i.getStringExtra("Concentration");
Condition.setText("" +TypeofDiab);
//Button
Mybuttonov2 = (Button) view.findViewById(R.id.buttonov2);
//to display conditon of user
if(Condition.getText() != null){
String num;
int numi=0;
num = Condition.getText().toString();
try{
numi = Integer.parseInt(num);
}catch(NumberFormatException ex){
}
if(numi <= 70){
System.out.println("Hypoglycemia");}
else if(numi >=70 & numi <= 140){
System.out.println("Fine");}
else if(numi>140 & numi <200){
System.out.println("Prediabetes");}
else {
System.out.println("Hyperglycemia");
}
}
//to add click event for button
Mybuttonov2.setOnClickListener(new View.OnClickListener()
{
#Override
public void onClick(View v)
{
Intent i3 = new Intent(getActivity(), SensorScreen.class );
startActivity(i3);
}
});
return view;
}
}
Logcat
When run emulator

Refresh/update listview current tab

I have three tabs with an unique fragment. How by images:
3 tab and a fragment
First problem is that when I click on "I watch it" on a movie and swipe on Watched's tab, this tab isn't updated.
https://i.imgur.com/AnnN3Zq.png?1
https://i.imgur.com/DsLGn3r.png
After if I swipe/tap on Notify's tab and comeback on Watched's tab, the tab has been updated. Why? Where am I wrong?
CoreActivity.java
package com.example.msnma.movienotifier;
import android.annotation.TargetApi;
import android.app.FragmentTransaction;
import android.app.Notification;
import android.app.NotificationManager;
import android.app.PendingIntent;
import android.content.Context;
import android.content.Intent;
import android.media.RingtoneManager;
import android.net.Uri;
import android.support.design.widget.TabLayout;
import android.support.v4.app.Fragment;
import android.support.v7.app.AppCompatActivity;
import android.support.v7.widget.Toolbar;
import com.example.msnma.movienotifier.MoviesFragment;
import android.support.v4.view.ViewPager;
import android.os.Bundle;
import android.util.Log;
import android.view.Menu;
import android.view.MenuItem;
import android.view.View;
import android.widget.Button;
import android.widget.TabHost;
import android.widget.Toast;
import com.example.msnma.movienotifier.adapter.MoviesAdapter;
import com.example.msnma.movienotifier.notify.NotificationReceiver;
import com.example.msnma.movienotifier.event.TwoPaneEvent;
import org.greenrobot.eventbus.EventBus;
import butterknife.BindView;
import static android.support.v4.view.PagerAdapter.POSITION_NONE;
import static com.google.common.reflect.Reflection.initialize;
import static java.security.AccessController.getContext;
public class CoreActivity extends AppCompatActivity implements TabLayout.OnTabSelectedListener {
SectionsPageAdapter mSectionsPageAdapter;
#BindView(R.id.movies)
ViewPager mViewPager;
#BindView(R.id.tabs)
TabLayout tabLayout;
boolean twoPane;
#Override
protected void onCreate(Bundle savedInstanceState)
{
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_core);
Toolbar toolbar = (Toolbar) findViewById(R.id.my_toolbar);
setSupportActionBar(toolbar);
if (findViewById(R.id.movie_detail) != null) {
twoPane = true;
}
mSectionsPageAdapter = new SectionsPageAdapter(getSupportFragmentManager(), twoPane);
// Set up the ViewPager with the sections adapter.
mViewPager = (ViewPager) findViewById(R.id.container);
mViewPager.setOffscreenPageLimit(1);
mViewPager.setAdapter(mSectionsPageAdapter);
TabLayout tabLayout = (TabLayout) findViewById(R.id.tabs);
tabLayout.setupWithViewPager(mViewPager);
tabLayout.addOnTabSelectedListener(
new TabLayout.ViewPagerOnTabSelectedListener(mViewPager) {
#Override
public void onTabSelected(TabLayout.Tab tab) {
super.onTabSelected(tab);
final int numTab = tab.getPosition();
//Toast.makeText(getApplicationContext(),tab.getText(), Toast.LENGTH_LONG).show();
switch (tab.getPosition()) {
case 0: {
MoviesAdapter.setTipo(String.valueOf(MoviesFragment.Type.NOTIFY));
break;
}
case 1: {
MoviesAdapter.setTipo(String.valueOf(MoviesFragment.Type.SUGGESTED));
break;
}
case 2: {
MoviesAdapter.setTipo(String.valueOf(MoviesFragment.Type.WATCHED));
break;
}
}
}
});
mViewPager.addOnPageChangeListener(new ViewPager.OnPageChangeListener() {
#Override
public void onPageSelected(int position) {
//mViewPager.setCurrentItem(position);
// ci sono vicinissimo alla soluzione.
if(position == 0 || position == 2) {
Fragment getFragment = getSupportFragmentManager().getFragments().get(position);
if (getFragment instanceof MoviesFragment) {
MoviesFragment thisFragment = (MoviesFragment) getFragment;
thisFragment.onRefresh();
Log.i("REFRESH","Dovrebbe essere refreshato");
}
Log.i("PAGINASELEZIONATA", "Esegue onResume " + position);
}
//Toast.makeText(CoreActivity.this,"Tab "+position,Toast.LENGTH_LONG).show();
}
#Override
public void onPageScrolled(int arg0, float arg1, int arg2) {
}
#Override
public void onPageScrollStateChanged(int arg0) {
}
});
EventBus.getDefault().postSticky(new TwoPaneEvent(twoPane));
}
public boolean onCreateOptionsMenu(Menu menu)
{
// Inflate the menu; this adds items to the action bar if it is present.
getMenuInflater().inflate(R.menu.menu_second, menu);
//MenuItem item = menu.findItem(R.id.search);
//searchView.setMenuItem(item);
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);
}
public void pressAccountButton(MenuItem item)
{
Intent intent = new Intent(this, AccountActivity.class);
startActivity(intent);
}
//nuovo codice
#Override
protected void onResume()
{
super.onResume();
if (!(mSectionsPageAdapter == null)) {
mSectionsPageAdapter.notifyDataSetChanged();
Log.i("INFOonResume", "Metodo onResume eseguito");
}
}
#Override
public void onTabSelected(TabLayout.Tab tab) {
//Log.i("INFOTAB", "La tabella selezionata è "+tab.getTag());
onResume();
}
#Override
public void onTabUnselected(TabLayout.Tab tab) {
}
#Override
public void onTabReselected(TabLayout.Tab tab) {
}
}
Tap Notify's tap (believe also could tap on Suggested) and tap again Watched's tap
Second problem
In Watched's tab the textView are cut, why? How can I solve this?
MoviesAdapter.java
package com.example.msnma.movienotifier.adapter;
import android.annotation.TargetApi;
import android.app.Activity;
import android.app.AlertDialog;
import android.app.DatePickerDialog;
import android.content.Context;
import android.content.DialogInterface;
import android.support.annotation.Nullable;
import android.support.v7.widget.RecyclerView;
import android.text.InputType;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.Button;
import android.widget.DatePicker;
import android.widget.EditText;
import android.widget.ImageView;
import android.widget.RadioButton;
import android.widget.RadioGroup;
import android.widget.TextView;
import android.widget.Toast;
import com.bumptech.glide.Glide;
import com.example.msnma.movienotifier.MainActivity;
import com.example.msnma.movienotifier.MoviesFragment;
import com.example.msnma.movienotifier.R;
import com.example.msnma.movienotifier.database.MovieDatabase;
import com.example.msnma.movienotifier.databaseModel.MovieDBModel;
import com.example.msnma.movienotifier.model.Movie;
import java.util.Calendar;
import java.util.List;
import butterknife.BindView;
import butterknife.ButterKnife;
import butterknife.Optional;
import static android.app.PendingIntent.getActivity;
import static com.example.msnma.movienotifier.MoviesFragment.*;
public class MoviesAdapter extends RecyclerView.Adapter<MoviesAdapter.ViewHolder>{
private Context context;
private List<Movie> movies;
private View itemView;
private RecyclerView rv;
//per la data
private EditText fromDateEtxt;
private boolean active = false;
//private Context context;
private static String tipo = "NOTIFY";
public MoviesAdapter(Context context, List<Movie> movies) {
this.context = context;
this.movies = movies;
}
#Override
public MoviesAdapter.ViewHolder onCreateViewHolder(ViewGroup parent, int viewType)
{
View itemView;
/*if(getTipo().equals("Suggested"))
{
itemView = LayoutInflater.from(parent.getContext()).inflate(R.layout.list_item_movie, parent, false);
return new ViewHolder(itemView);
}
else if(getTipo().equals("Watched"))
{
itemView = LayoutInflater.from(parent.getContext()).inflate(R.layout.list_item_movie_watched, parent, false);
return new ViewHolder(itemView);
}
else if(getTipo().equals("Notify"))
{*/
itemView = LayoutInflater.from(parent.getContext()).inflate(R.layout.list_item_movie, parent, false);
return new ViewHolder(itemView);
//}
//return null;
}
#Override
public void onBindViewHolder(final ViewHolder holder, final int position) {
Movie movie = movies.get(position);
Glide.with(context)
.load(movie.getPosterUrl())
.placeholder(R.drawable.poster_placeholder)
.into(holder.posterView);
holder.title_movie.setText(movie.getTitle());
// prende solo la data + anno
String yourString = String.valueOf(movie.getReleaseDate());
String date = yourString.substring(0, 10);
String year = yourString.substring(yourString.length()-5,yourString.length());
holder.release_date.setText(date+year);
if(getTipo().equals("NOTIFY"))
{
Toast.makeText(context,"Notify", Toast.LENGTH_LONG).show();
holder.notifyButton.setVisibility(View.GONE);
holder.watchedButton.setVisibility(View.GONE);
holder.removeButton.setVisibility(View.VISIBLE);
}
//solo se è di tipo suggested
if(getTipo().equals("SUGGESTED"))
{
//disabilitare bottone remove
holder.removeButton.setVisibility(View.GONE);
holder.notifyButton.setVisibility(View.VISIBLE);
holder.watchedButton.setVisibility(View.VISIBLE);
Toast.makeText(context,"Suggested", Toast.LENGTH_LONG).show();
holder.notifyButton.setOnClickListener(new View.OnClickListener() {
#Override
public void onClick(View view) {
/*String testo = movies.get(position).getTitle().toString();
Toast tostato = Toast.makeText(context,testo,Toast.LENGTH_SHORT);
tostato.show();*/
alertFormElements(position);
}
});
holder.watchedButton.setOnClickListener(new View.OnClickListener() {
#Override
public void onClick(View view) {
/*String testo = movies.get(position).getTitle()+ "\n" + "I WATCH IT";
Toast tostato = Toast.makeText(context,testo,Toast.LENGTH_SHORT);
tostato.show();*/
// public MovieDBModel(int id, String title, String overview, String posterUrl, String backdropUrl, String trailerUrl,
// Date releaseDate, float rating, boolean adult){
MovieDBModel mdm = new MovieDBModel(movies.get(position).getId(), movies.get(position).getTitle(), movies.get(position).getOverview(),
movies.get(position).getPosterUrl(), movies.get(position).getBackdropUrl(), movies.get(position).getTrailerUrl(),
movies.get(position).getReleaseDate(), movies.get(position).getRating(), movies.get(position).isAdult());
MovieDatabase.insertMovie(mdm, 2, MainActivity.getMovieDatabase());
String testo = "Added " + movies.get(position).getTitle() + "\n" + "in tab watched";
Toast tostato = Toast.makeText(context, testo, Toast.LENGTH_SHORT);
tostato.show();
}
});
}
if (getTipo().equals("WATCHED"))
{
holder.notifyButton.setVisibility(View.GONE);
holder.watchedButton.setVisibility(View.GONE);
holder.removeButton.setVisibility(View.VISIBLE);
holder.removeButton.setOnClickListener(new View.OnClickListener() {
#Override
public void onClick(View view)
{
//da implementare
}
});
Toast.makeText(context,"WATCHED", Toast.LENGTH_LONG).show();
}
}
//nuovo codice riguardo l'alerDialog
public final void alertFormElements(final int position)
{
/*
* Inflate the XML view. activity_main is in
* res/layout/form_elements.xml
*/
LayoutInflater inflater = (LayoutInflater) context.getSystemService(Context.LAYOUT_INFLATER_SERVICE);
final View formElementsView = inflater.inflate(R.layout.form_elements,
null, false);
// You have to list down your form elements
/*final CheckBox myCheckBox = (CheckBox) formElementsView
.findViewById(R.id.myCheckBox);*/
final RadioGroup genderRadioGroup = (RadioGroup) formElementsView
.findViewById(R.id.NotifyAlertRadioGroup);
//nuovo codice
genderRadioGroup.setOnCheckedChangeListener(new RadioGroup.OnCheckedChangeListener()
{
#Override
public void onCheckedChanged(RadioGroup group, int checkedId)
{
switch (checkedId)
{
case R.id.OneDayRadioButton:
actv(false);
break;
case R.id.ReleaseDayRadioButton:
actv(false);
break;
case R.id.OnRadioButton:
actv(true);
break;
}
}
});
//questo sarà sostituito con un calendario.
/*final EditText nameEditText = (EditText) formElementsView
.findViewById(R.id.nameEditText);*/
//parte data
fromDateEtxt = (EditText) formElementsView.findViewById(R.id.nameEditText);
fromDateEtxt.setEnabled(active);
fromDateEtxt.setClickable(active);
fromDateEtxt.setInputType(InputType.TYPE_NULL);
fromDateEtxt.requestFocus();
//metodo data
//setDateTimeField();
//fromDatePickerDialog.show();
fromDateEtxt.setOnClickListener(new View.OnClickListener() {
#Override
public void onClick(View v) {
final Calendar c = Calendar.getInstance();
DatePickerDialog dpd = new DatePickerDialog( context ,
new DatePickerDialog.OnDateSetListener() {
#Override
public void onDateSet(DatePicker view, int year,
int monthOfYear, int dayOfMonth) {
fromDateEtxt.setText(dayOfMonth + "-"
+ (monthOfYear + 1) + "-" + year);
}
},
c.get(Calendar.YEAR),
c.get(Calendar.MONTH),
c.get(Calendar.DAY_OF_MONTH));
dpd.show();
}
});
// the alert dialog
new AlertDialog.Builder(context).setView(formElementsView)
.setTitle(movies.get(position).getTitle()+" Notify")
.setPositiveButton("OK", new DialogInterface.OnClickListener() {
#TargetApi(11)
public void onClick(DialogInterface dialog, int id) {
//fromDateEtxt.setText(dateFormatter.format(newDate.getTime()));
String toastString = "";
String titleMovie = movies.get(position).getTitle();
String releaseDate = String.valueOf(movies.get(position).getReleaseDate());
String date = releaseDate.substring(0, 10);
String year = releaseDate.substring(releaseDate.length()-5,releaseDate.length());
releaseDate = date+year;
toastString = toastString + titleMovie + "\n" + releaseDate +"\n";
/*
* Detecting whether the checkbox is checked or not.
*/
/*if (myCheckBox.isChecked()) {
toastString += "Happy is checked!\n";
} else {
toastString += "Happy IS NOT checked.\n";
}*/
/*
* Getting the value of selected RadioButton.
*/
// get selected radio button from radioGroup
int selectedId = genderRadioGroup.getCheckedRadioButtonId();
// find the radiobutton by returned id
RadioButton selectedRadioButton = (RadioButton) formElementsView
.findViewById(selectedId);
if(selectedRadioButton.getId() == R.id.OnRadioButton)
{
toastString += "Selected radio button is: " + fromDateEtxt.getText();
}
else {
toastString += "Selected radio button is: "
+ selectedRadioButton.getText() + "!\n";
}
/*
* Getting the value of an EditText.
*/
/*toastString += "Name is: " + nameEditText.getText()
+ "!\n";*/
Toast toast = Toast.makeText(context, toastString, Toast.LENGTH_LONG);
toast.show();
dialog.cancel();
}
}).show();
}
//nuovo codice
/*#Override
public View getView(int position, View convertView, ViewGroup parent) {
ViewHolder holder = null;
LayoutInflater mInflater = (LayoutInflater) context
.getSystemService(Activity.LAYOUT_INFLATER_SERVICE);
if (convertView == null) {
convertView = mInflater.inflate(R.layout.list_item_movie, null);
holder = new ViewHolder();
holder.title_movie = (TextView) convertView.findViewById(R.id.movie_title);
holder.release_date = (TextView) convertView
.findViewById(R.id.movie_release_date);
Movie row_pos = movies.get(position);
//holder.profile_pic.setImageResource(row_pos.getProfile_pic_id());
holder.title_movie.setText(row_pos.getTitle());
holder.release_date.setText((CharSequence) row_pos.getReleaseDate());
//holder.contactType.setText(row_pos.getContactType());
convertView.setTag(holder);
} else {
holder = (ViewHolder) convertView.getTag();
}
return convertView;
}*/
#Override
public void onViewRecycled(ViewHolder holder) {
super.onViewRecycled(holder);
Glide.clear(holder.posterView);
}
#Override
public int getItemCount() {
return movies.size();
}
public static class ViewHolder extends RecyclerView.ViewHolder {
#BindView(R.id.poster)
public ImageView posterView;
#BindView(R.id.movie_title)
public TextView title_movie;
#BindView(R.id.movie_release_date)
public TextView release_date;
#BindView(R.id.editNotify)
public Button notifyButton;
#BindView(R.id.iWatchItMovie)
public Button watchedButton;
#BindView(R.id.remove)
public Button removeButton;
public ViewHolder(View v) {
super(v);
ButterKnife.bind(this, v);
}
}
//parte per attivare/disattivare l'editText
private void actv(final boolean active)
{
fromDateEtxt.setEnabled(active);
if (active)
{
fromDateEtxt.requestFocus();
}
}
public static void setTipo(String tipo) {
MoviesAdapter.tipo = tipo;
}
public static String getTipo() {
return tipo;
}
}

For first, you can try adding similar logic to onPageScrolled
Fragment getFragment = getSupportFragmentManager().getFragments().get(position);
if (getFragment instanceof MoviesFragment) {
MoviesFragment thisFragment = (MoviesFragment) getFragment;
if ((position == 0 || position == 2) && positionOffset == 0.0 && positionOffsetPixels == 0)
thisFragment.onRefresh();
}

OK, #user47845 for (This is my list_item_movie.xml) you can try changed to this and tell us how are you doing.
<?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"
android:layout_width="match_parent"
android:layout_height="350px">
<android.support.constraint.ConstraintLayout
android:id="#+id/linearLayout2"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:background="#drawable/card_background">
<ImageView
android:id="#+id/poster"
android:layout_width="120dp"
android:layout_height="139dp"
android:layout_marginEnd="10dp"
android:layout_marginLeft="2dp"
android:layout_marginRight="10dp"
android:layout_marginStart="2dp"
android:contentDescription="TODO"
android:scaleType="centerCrop"
android:src="#drawable/poster_placeholder"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toTopOf="parent" />
<TextView
android:id="#+id/movie_title"
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_marginTop="4dp"
android:textSize="20dip"
android:textStyle="bold"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintStart_toEndOf="#+id/poster"
app:layout_constraintTop_toTopOf="parent" />
<TextView
android:id="#+id/movie_release_date"
android:layout_width="0dp"
android:layout_height="wrap_content"
android:textSize="20dip"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintStart_toEndOf="#+id/poster"
app:layout_constraintTop_toBottomOf="#+id/movie_title" />
<Button
android:id="#+id/editNotify"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:background="#android:color/transparent"
android:onClick="pressEditNotifyButton"
android:text="Notify"
android:textColor="#android:color/holo_blue_dark"
android:textStyle="bold"
app:layout_constraintBottom_toBottomOf="parent"
app:layout_constraintStart_toEndOf="#+id/poster" />
<Button
android:id="#+id/iWatchItMovie"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:background="#android:color/transparent"
android:text="I watch it"
android:textColor="#android:color/holo_blue_dark"
android:textStyle="bold"
app:layout_constraintEnd_toStartOf="#+id/remove"
app:layout_constraintStart_toEndOf="#+id/movie_title"
app:layout_constraintBottom_toBottomOf="parent" />
<Button
android:id="#+id/remove"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginEnd="21dp"
android:layout_marginRight="21dp"
android:background="#android:color/transparent"
android:text="Remove"
android:textColor="#android:color/holo_blue_dark"
android:textStyle="bold"
app:layout_constraintBottom_toBottomOf="parent"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintStart_toEndOf="#+id/iWatchItMovie" />
</android.support.constraint.ConstraintLayout>
</FrameLayout>

This is my list_item_movie.xml:
<?xml version="1.0" encoding="utf-8"?>
<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="350px">
<!--android:layout_height="?android:attr/listPreferredItemHeight">-->
<LinearLayout
android:layout_width="match_parent"
android:layout_height="match_parent"
android:layout_marginLeft="2dp"
android:layout_marginRight="2dp"
android:layout_marginTop="4dp"
android:layout_marginBottom="4dp"
android:background="#drawable/card_background">
<ImageView
android:id="#+id/poster"
android:layout_width="185px"
android:layout_height="277px"
android:src="#drawable/poster_placeholder"
android:scaleType="centerCrop"
android:contentDescription="TODO" />
<LinearLayout
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:orientation="vertical"
android:gravity="center_vertical">
<TextView
android:id="#+id/movie_title"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:layout_weight="1"
android:textStyle="bold"
android:layout_gravity="left|center_vertical"
android:textSize="20dip"
android:layout_marginLeft="10dip"
/>
<TextView
android:id="#+id/movie_release_date"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:layout_weight="1"
android:layout_gravity="left|center_vertical"
android:textSize="20dip"
android:layout_marginLeft="10dip"
/>
<LinearLayout
android:layout_width="wrap_content"
android:layout_height="match_parent"
android:gravity="bottom"
android:orientation="horizontal">
<Button
android:id="#+id/editNotify"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:background="#android:color/transparent"
android:onClick="pressEditNotifyButton"
android:text="Notify"
android:textColor="#android:color/holo_blue_dark"
android:textStyle="bold" />
<Button
android:id="#+id/iWatchItMovie"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:background="#android:color/transparent"
android:text="I watch it"
android:textColor="#android:color/holo_blue_dark"
android:textStyle="bold" />
<Button
android:id="#+id/remove"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:background="#android:color/transparent"
android:text="Remove"
android:textColor="#android:color/holo_blue_dark"
android:textStyle="bold" />
</LinearLayout>
</LinearLayout>
</LinearLayout>
</FrameLayout>
EDIT:
I have solved so:
<?xml version="1.0" encoding="utf-8"?>
<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="350px">
<!--android:layout_height="?android:attr/listPreferredItemHeight">-->
<LinearLayout
android:layout_width="match_parent"
android:layout_height="match_parent"
android:layout_marginLeft="2dp"
android:layout_marginTop="4dp"
android:layout_marginRight="2dp"
android:layout_marginBottom="4dp"
android:orientation="horizontal"
android:background="#drawable/card_background">
<ImageView
android:id="#+id/poster"
android:layout_width="185px"
android:layout_height="277px"
android:contentDescription="TODO"
android:scaleType="centerCrop"
android:src="#drawable/poster_placeholder" />
<LinearLayout
android:layout_width="match_parent"
android:layout_height="match_parent"
android:orientation="vertical">
<LinearLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:orientation="vertical">
<TextView
android:id="#+id/movie_title"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_gravity="left|center_vertical"
android:layout_marginLeft="10dip"
android:layout_weight="1"
android:textSize="20dip"
android:textStyle="bold" />
<TextView
android:id="#+id/movie_release_date"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_gravity="left|center_vertical"
android:layout_marginLeft="10dip"
android:layout_weight="1"
android:textSize="20dip" />
</LinearLayout>
<LinearLayout
android:layout_width="wrap_content"
android:layout_height="match_parent"
android:layout_weight="1"
android:gravity="bottom"
android:orientation="horizontal">
<Button
android:id="#+id/editNotify"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:background="#android:color/transparent"
android:onClick="pressEditNotifyButton"
android:text="Notify"
android:textColor="#android:color/holo_blue_dark"
android:textStyle="bold" />
<Button
android:id="#+id/iWatchItMovie"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:background="#android:color/transparent"
android:text="I watch it"
android:textColor="#android:color/holo_blue_dark"
android:textStyle="bold" />
<Button
android:id="#+id/remove"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:background="#android:color/transparent"
android:text="Remove"
android:textColor="#android:color/holo_blue_dark"
android:textStyle="bold" />
</LinearLayout>
</LinearLayout>
</LinearLayout>
</FrameLayout>

Implementing Swipe functionality on portion of screen while using bottom navigation?

I am developing my first Android application as part of a college project. I am relatively new to java. My application consists of a bottom navigation, which contains 4 separate pages. Within these pages I have a head section, containing a title, contact button and logout button.
Underneath the head section I wish to have a midsection which will in itself contain 3 swipe panels containing information. Essentially there should be 3 panels for each page, with there being 4 pages (So 4 sets of 3 swipe panels).
This is where I'm having difficulty.. I'm unsure of how to nest the fragments so that only that midsection will be swipe-able. Here is a screenshot of what I have so far:
Screenshot of app
Here is my Code for my MainActivity.java class:
import android.os.Bundle;
import android.support.annotation.NonNull;
import android.support.design.widget.BottomNavigationView;
import android.support.v4.app.Fragment;
import android.support.v4.app.FragmentTransaction;
import android.support.v7.app.AppCompatActivity;
import android.view.MenuItem;
public class MainActivity extends AppCompatActivity {
private static final String SELECTED_ITEM = "arg_selected_item";
private BottomNavigationView mBottomNav;
private int mSelectedItem;
#Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
mBottomNav = (BottomNavigationView) findViewById(R.id.navigation);
mBottomNav.setOnNavigationItemSelectedListener(new BottomNavigationView.OnNavigationItemSelectedListener() {
#Override
public boolean onNavigationItemSelected(#NonNull MenuItem item) {
selectFragment(item);
return true;
}
});
MenuItem selectedItem;
if (savedInstanceState != null) {
mSelectedItem = savedInstanceState.getInt(SELECTED_ITEM, 0);
selectedItem = mBottomNav.getMenu().findItem(mSelectedItem);
} else {
selectedItem = mBottomNav.getMenu().getItem(0);
}
selectFragment(selectedItem);
}
#Override
protected void onSaveInstanceState(Bundle outState) {
outState.putInt(SELECTED_ITEM, mSelectedItem);
super.onSaveInstanceState(outState);
}
#Override
public void onBackPressed() {
MenuItem homeItem = mBottomNav.getMenu().getItem(0);
if (mSelectedItem != homeItem.getItemId()) {
// select home item
selectFragment(homeItem);
} else {
super.onBackPressed();
}
}
private void selectFragment(MenuItem item) {
Fragment frag = null;
// init corresponding fragment
switch (item.getItemId()) {
case R.id.menu_home:
frag = MenuFragment.newInstance(getString(R.string.text_home),
getString(R.string.test_home));
break;
case R.id.menu_notifications:
//Call to a function that does the stuff here
frag = MenuFragment.newInstance(getString(R.string.text_notifications),
getString(R.string.test_notifications));
break;
case R.id.menu_search:
frag = MenuFragment.newInstance(getString(R.string.text_search),
getString(R.string.test_search));
break;
case R.id.menu_followed:
frag = MenuFragment.newInstance(getString(R.string.text_follow),
getString(R.string.test_follow));
}
// update selected item
mSelectedItem = item.getItemId();
// uncheck the other items.
for (int i = 0; i< mBottomNav.getMenu().size(); i++) {
MenuItem menuItem = mBottomNav.getMenu().getItem(i);
menuItem.setChecked(menuItem.getItemId() == item.getItemId());
}
if (frag != null) {
FragmentTransaction ft = getSupportFragmentManager().beginTransaction();
ft.add(R.id.container, frag, frag.getTag());
ft.commit();
}
}
}
Here is the acitivity_main.xml file:
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:tools="http://schemas.android.com/tools"
xmlns:design="http://schemas.android.com/apk/res-auto"
android:id="#+id/activity_main"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:orientation="vertical"
tools:context="com.socialivemusic.socialivetestproject.MainActivity">
<FrameLayout
android:id="#+id/container"
android:layout_width="match_parent"
android:layout_height="0dp"
android:layout_weight="1"
android:background="#ff292929">
</FrameLayout>
<android.support.design.widget.BottomNavigationView
android:id="#+id/navigation"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_gravity="start"
android:layout_weight="0.06"
android:background="#ff000000"
android:textAlignment="center"
design:menu="#menu/bottom_nav_items" />
</LinearLayout>
And here is my MenuFragment.java class:
import android.os.Bundle;
import android.support.annotation.Nullable;
import android.support.v4.app.Fragment;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.Button;
import android.widget.TextView;
import org.w3c.dom.Text;
public class MenuFragment extends Fragment {
private static final String ARG_TEXT = "arg_text";
private static final String ARG_TESTSTRING = "arg_testString";
private String mText;
private String mTest;
private View mContent;
private TextView mTextView;
private TextView mTestView;
private Button contactButton;
private Button logoutButton;
public static Fragment newInstance(String text, String testString) {
Fragment frag = new MenuFragment();
Bundle args = new Bundle();
args.putString(ARG_TEXT, text);
args.putString(ARG_TESTSTRING, testString);
frag.setArguments(args);
return frag;
}
#Override
public View onCreateView(LayoutInflater inflater, ViewGroup container,
Bundle savedInstanceState) {
// Inflate the layout for this fragment
return inflater.inflate(R.layout.fragment_menu, container, false);
}
#Override
public void onViewCreated(View view, #Nullable Bundle savedInstanceState) {
super.onViewCreated(view, savedInstanceState);
// retrieve text and color from bundle or savedInstanceState
if (savedInstanceState == null) {
Bundle args = getArguments();
mText = args.getString(ARG_TEXT);
mTest = args.getString(ARG_TESTSTRING);
} else {
mText = savedInstanceState.getString(ARG_TEXT);
mTest = savedInstanceState.getString(ARG_TESTSTRING);
}
// initialize views
mContent = view.findViewById(R.id.fragment_content);
mTextView = (TextView) view.findViewById(R.id.text);
mTestView = (TextView) view.findViewById(R.id.test);
contactButton = (Button) view.findViewById(R.id.contactButton);
logoutButton = (Button) view.findViewById(R.id.logoutbutton);
// set text and background color
mTextView.setText(mText);
mTestView.setText(mTest);
}
#Override
public void onSaveInstanceState(Bundle outState) {
outState.putString(ARG_TEXT, mText);
outState.putString(ARG_TESTSTRING, mTest);
super.onSaveInstanceState(outState);
}
}
Here is the fragments_menu.xml file:
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:tools="http://schemas.android.com/tools"
android:id="#+id/fragment_content"
android:layout_width="match_parent"
android:layout_height="match_parent"
tools:context="com.socialivemusic.socialivetestproject.MenuFragment">
<LinearLayout
android:layout_width="match_parent"
android:layout_marginLeft="17dp"
android:layout_marginRight="17dp"
android:layout_height="150dp"
android:layout_marginTop="15dp"
android:background="#ff434343"
android:weightSum="1">
<Button
android:text="CONTACT"
android:textColor="#ffffff"
android:layout_width="420dp"
android:layout_marginLeft="10dp"
android:layout_marginStart="10dp"
android:layout_height="90dp"
android:layout_gravity="center"
android:id="#+id/contactButton"
android:layout_weight="0.33"
android:background="#drawable/round_button"
android:textSize="20sp"/>
<TextView
android:id="#+id/text"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:gravity="center"
android:layout_gravity="center"
android:textColor="#969696"
android:textSize="40sp"
android:textStyle="bold"
android:layout_weight="0.355"
/>
<Button
android:text="LOGOUT"
android:textColor="#ffffff"
android:layout_width="420dp"
android:layout_height="90dp"
android:layout_gravity="center"
android:id="#+id/logoutbutton"
android:layout_weight="0.33"
android:background="#drawable/logout_button"
android:textSize="20sp"/>
</LinearLayout>
<LinearLayout
android:layout_width="match_parent"
android:layout_marginLeft="17dp"
android:layout_marginRight="17dp"
android:layout_height="match_parent"
android:layout_marginBottom="15dp"
android:layout_marginTop="185dp"
android:background="#ff434343">
<TextView
android:id="#+id/test"
android:layout_width="match_parent"
android:layout_height="wrap_content"/>
</LinearLayout>
</RelativeLayout>
The second LinearLayout in the above file is the one which should be the swipe-panel. The only other files on the project are xml files dealing with layout of the bottom navigation bar itself, so not relevant to the trouble I'm having.
Does anyone have any recommendations on how to approach this? A helping hand on how to start this part of the project would be amazing! Thanks in advance!

Display Listview in Fragment

I am working on an Android app with Tab navigation. I have three tabs and I would like to display separate informations on each tab. On the first tab, I would like to display a list of items that are retrieved from an SQlite database. The items are entered through dialogs, which is working well. I keep the logic for the collection and display of data in the Main Activity:
package com.example.TodoList;
import android.content.ContentValues;
import android.content.Context;
import android.content.DialogInterface;
import android.content.Intent;
import android.database.Cursor;
import android.app.AlertDialog;
import android.widget.SimpleCursorAdapter;
import android.database.sqlite.SQLiteDatabase;
import android.location.LocationManager;
import android.net.Uri;
import android.os.Bundle;
import android.support.design.widget.TabLayout;
import android.support.v4.app.Fragment;
import android.support.v4.app.FragmentManager;
import android.support.v4.app.FragmentPagerAdapter;
import android.support.v4.view.ViewPager;
import android.support.v7.app.AppCompatActivity;
import android.support.v7.widget.Toolbar;
import android.util.Log;
import android.view.Menu;
import android.view.MenuItem;
import android.view.View;
import android.widget.Button;
import android.widget.EditText;
import android.widget.ListAdapter;
import android.widget.ListView;
import android.widget.TextView;
import com.example.TodoList.db.TaskContract;
import com.example.TodoList.db.TaskDBHelper;
import com.example.TodoList.fragments.ThreeFragment;
import com.example.TodoList.fragments.TwoFragment;
import java.util.ArrayList;
import java.util.List;
public class MainActivity extends AppCompatActivity {
private Toolbar toolbar;
private ListAdapter listAdapter;
private TaskDBHelper helper;
private Button btnIconTextTabs;
private TabLayout tabLayout;
private ViewPager viewPager;
private int[] tabIcons = {
R.drawable.ic_tab_favourite,
R.drawable.ic_tab_call,
R.drawable.ic_tab_contacts
};
private void setupTabIcons() {
tabLayout.getTabAt(0).setIcon(tabIcons[0]);
tabLayout.getTabAt(1).setIcon(tabIcons[1]);
tabLayout.getTabAt(2).setIcon(tabIcons[2]);
}
#Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_icon_text_tabs);
//ListView listView = (ListView) findViewById(R.id.list);
//listView.setAdapter(listAdapter);
updateUI();
toolbar = (Toolbar) findViewById(R.id.toolbar);
setSupportActionBar(toolbar);
btnIconTextTabs = (Button) findViewById(R.id.btnIconTextTabs);
//btnIconTextTabs.setOnClickListener(this);
setSupportActionBar(toolbar);
getSupportActionBar().setDisplayHomeAsUpEnabled(true);
viewPager = (ViewPager) findViewById(R.id.viewpager);
setupViewPager(viewPager);
tabLayout = (TabLayout) findViewById(R.id.tabs);
tabLayout.setupWithViewPager(viewPager);
setupTabIcons();
}
#Override
public boolean onCreateOptionsMenu(Menu menu) {
getMenuInflater().inflate(R.menu.menu, menu);
return true;
}
private void setupViewPager(ViewPager viewPager) {
ViewPagerAdapter adapter = new ViewPagerAdapter(getSupportFragmentManager());
adapter.addFrag(new Fragment(), "ONE");
adapter.addFrag(new TwoFragment(), "TWO");
adapter.addFrag(new ThreeFragment(), "THREE");
viewPager.setAdapter(adapter);
}
#Override
public boolean onOptionsItemSelected(MenuItem item) {
AlertDialog.Builder builder = new AlertDialog.Builder(this);
final EditText inputField = new EditText(this);
builder.setNegativeButton("Cancel", null);
switch (item.getItemId()) {
case R.id.action_add_task:
builder.setTitle("Add an article to your shopping list");
builder.setMessage("What would you like to add?");
builder.setView(inputField);
builder.setPositiveButton("Add", new DialogInterface.OnClickListener() {
#Override
public void onClick(DialogInterface dialogInterface, int i) {
String task = inputField.getText().toString();
helper = new TaskDBHelper(MainActivity.this);
SQLiteDatabase db = helper.getWritableDatabase();
ContentValues values = new ContentValues();
values.clear();
values.put(TaskContract.Columns.TASK, task);
db.insertWithOnConflict(TaskContract.TABLE, null, values, SQLiteDatabase.CONFLICT_IGNORE);
updateUI();
}
});
builder.create().show();
return true;
case R.id.action_remove_task:
builder.setTitle("Remove an article from the shopping list");
builder.setMessage("Did you found this article?");
builder.setNegativeButton("Remove", new DialogInterface.OnClickListener() {
#Override
public void onClick(DialogInterface dialogInterface, int i) {
String task = inputField.getText().toString();
helper = new TaskDBHelper(MainActivity.this);
SQLiteDatabase db = helper.getWritableDatabase();
ContentValues values = new ContentValues();
values.clear();
updateUI();
}
});
case R.id.action_show_mylocation:
LocationManager lm = (LocationManager) getSystemService(Context.LOCATION_SERVICE);
Log.d("MyTagGoesHere", "This is my log message at the debug level here");
//Intent intent=new Intent(this,LbsGeocodingActivity.class);
//startActivity(intent);
Intent GeoLocationIntent = new Intent(MainActivity.this, GeoActivity.class);
//myIntent.putExtra("key", value); //Optional parameters
MainActivity.this.startActivity(GeoLocationIntent);
}
builder.create().show();
return true;
}
private void updateUI() {
helper = new TaskDBHelper(MainActivity.this);
SQLiteDatabase sqlDB = helper.getReadableDatabase();
Cursor cursor = sqlDB.query(TaskContract.TABLE,
new String[]{TaskContract.Columns._ID, TaskContract.Columns.TASK},
null, null, null, null, null);
listAdapter = new SimpleCursorAdapter(
this,
R.layout.task_view,
cursor,
new String[]{TaskContract.Columns.TASK},
new int[]{R.id.taskTextView},
0
);
}
public void onDoneButtonClick(View view) {
View v = (View) view.getParent();
TextView taskTextView = (TextView) v.findViewById(R.id.taskTextView);
String task = taskTextView.getText().toString();
String sql = String.format("DELETE FROM %s WHERE %s = '%s'",
TaskContract.TABLE,
TaskContract.Columns.TASK,
task);
helper = new TaskDBHelper(MainActivity.this);
SQLiteDatabase sqlDB = helper.getWritableDatabase();
sqlDB.execSQL(sql);
updateUI();
}
public void onSubmitPriceClick(View view) {
Intent SubmitPriceIntent = new Intent(MainActivity.this, SubmitPriceActivity.class);
MainActivity.this.startActivity(SubmitPriceIntent);
}
public void onWebViewButtonClick(View view) {
Intent intent = new
Intent(Intent.ACTION_VIEW,
Uri.parse("http://www.batprice.com:1337"));
startActivity(intent);
finish();
}
public void onGeoLocationButtonClick(View view) {
LocationManager lm = (LocationManager) getSystemService(Context.LOCATION_SERVICE);
Log.d("MyTagGoesHere", "This is my log message at the debug level here");
Intent GeoLocationIntent = new Intent(MainActivity.this, GeoActivity.class);
MainActivity.this.startActivity(GeoLocationIntent);
}
/*#Override
public void onClick(View view) {
switch (view.getId()) {
case R.id.btnIconTextTabs:
startActivity(new Intent(MainActivity.this, IconTextTabsActivity.class));
break;
}
}*/
class ViewPagerAdapter extends FragmentPagerAdapter {
private final List<Fragment> mFragmentList = new ArrayList<>();
private final List<String> mFragmentTitleList = new ArrayList<>();
public ViewPagerAdapter(FragmentManager manager) {
super(manager);
}
#Override
public Fragment getItem(int position) {
return mFragmentList.get(position);
}
#Override
public int getCount() {
return mFragmentList.size();
}
public void addFrag(Fragment fragment, String title) {
mFragmentList.add(fragment);
mFragmentTitleList.add(title);
}
#Override
public CharSequence getPageTitle(int position) {
return mFragmentTitleList.get(position);
}
}
}
This is my First fragment, where I want to display the list items:
package com.example.TodoList.fragments;
import android.content.Context;
import android.database.SQLException;
import android.location.Location;
import android.location.LocationListener;
import android.location.LocationManager;
import android.os.Bundle;
import android.support.v4.app.Fragment;
import android.support.v4.app.FragmentActivity;
import android.util.Log;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.ArrayAdapter;
import android.widget.ListView;
import android.widget.Toast;
import com.example.TodoList.R;
import java.util.ArrayList;
public class OneFragment extends FragmentActivity {
public OneFragment() {
// Required empty public constructor
}
private class mylocationlistener implements LocationListener {
#Override
public void onLocationChanged(Location location) {
if (location != null) {
Log.d("LOCATION CHANGED", location.getLatitude() + "");
Log.d("LOCATION CHANGED", location.getLongitude() + "");
Toast.makeText(OneFragment.this,
location.getLatitude() + "" + location.getLongitude(),
Toast.LENGTH_LONG).show();
}
}
#Override
public void onProviderDisabled(String provider) {
}
#Override
public void onProviderEnabled(String provider) {
}
#Override
public void onStatusChanged(String provider, int status, Bundle extras) {
}
}
#Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
}
public View onCreateView(LayoutInflater inflater, ViewGroup container,
Bundle savedInstanceState) {
// Inflate the layout for this fragment
LocationManager lm = (LocationManager) getSystemService(Context.LOCATION_SERVICE);
LocationListener ll = new mylocationlistener();
lm.requestLocationUpdates(LocationManager.GPS_PROVIDER, 0, 0, ll);
return inflater.inflate(R.layout.fragment_one, container, false);
}
/*
public static class OneFragment extends Fragment {
ListView list;
list = (ListView) view.findViewById(R.id.listview);
DataDB data = new DataDB();
ArrayAdapter<String> listAdapter;
public ListDoctorFragment() {
}
#Override
public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
final View view = inflater.inflate(R.layout.listdoctor, container, false);
ArrayList<String> names = new ArrayList<String>();
try {
names = data.getDoctorlistDB(getActivity());
} catch (SQLException e) {
e.printStackTrace();
}
listAdapter = new ArrayAdapter<String>(getActivity(), R.layout.support_simple_spinner_dropdown_item, names);
// set the adapter
list.setAdapter(listAdapter);
return view;
}
}
*/
}
This is the activity icon text tabs layout file:
<android.support.design.widget.CoordinatorLayout 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.support.design.widget.AppBarLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:theme="#style/ThemeOverlay.AppCompat.Dark.ActionBar">
<android.support.v7.widget.Toolbar
android:id="#+id/toolbar"
android:layout_width="match_parent"
android:layout_height="?attr/actionBarSize"
android:background="?attr/colorPrimary"
app:layout_scrollFlags="scroll|enterAlways"
app:popupTheme="#style/ThemeOverlay.AppCompat.Light" />
<android.support.design.widget.TabLayout
android:id="#+id/tabs"
android:layout_width="match_parent"
android:layout_height="wrap_content"
app:tabGravity="fill"
app:tabMode="fixed" />
</android.support.design.widget.AppBarLayout>
<android.support.v4.view.ViewPager
android:id="#+id/viewpager"
android:layout_width="match_parent"
android:layout_height="match_parent"
app:layout_behavior="#string/appbar_scrolling_view_behavior" />
</android.support.design.widget.CoordinatorLayout>
This is my main activity layout file:
<android.support.design.widget.CoordinatorLayout 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.support.design.widget.AppBarLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:theme="#style/ThemeOverlay.AppCompat.Dark.ActionBar">
<android.support.v7.widget.Toolbar
android:id="#+id/toolbar"
android:layout_width="match_parent"
android:layout_height="?attr/actionBarSize"
android:background="?attr/colorPrimary"
app:layout_scrollFlags="scroll|enterAlways"
app:popupTheme="#style/ThemeOverlay.AppCompat.Light" />
</android.support.design.widget.AppBarLayout>
<LinearLayout
android:layout_width="fill_parent"
android:layout_height="match_parent"
android:layout_marginTop="?attr/actionBarSize"
android:orientation="vertical">
<ListView
android:id="#android:id/list"
android:layout_width="match_parent"
android:layout_height="350dp"
android:layout_margin="5dp" />
<Button
android:id="#+id/btnIconTextTabs"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:text="#string/btn_icon_text_tabs"
android:textSize="15dp" />
</LinearLayout>
</android.support.design.widget.CoordinatorLayout>
This is my main layout file:
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="fill_parent"
android:layout_height="fill_parent"
android:orientation="vertical">
<ListView
android:id="#android:id/list"
android:layout_width="match_parent"
android:layout_height="350dp"
android:layout_margin="5dp" />
<Button
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_gravity="clip_vertical"
android:onClick="onGeoLocationButtonClick"
android:text="Your Location" />
<Button
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_gravity="clip_vertical"
android:onClick="onSubmitPriceClick"
android:text="Submit a price" />
<Button
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_gravity="clip_vertical"
android:onClick="onScrollViewButtonClick"
android:text="Scrollview" />
<Button
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_gravity="clip_vertical"
android:onClick="onWebViewButtonClick"
android:text="Webview" />
<WebView xmlns:android="http://schemas.android.com/apk/res/android"
android:id="#+id/webView1"
android:layout_width="match_parent"
android:layout_height="match_parent" />
</LinearLayout>
This is my Fragment one layout file:
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="fill_parent"
android:layout_height="fill_parent"
android:orientation="vertical">
<ListView
android:id="#android:id/list"
android:layout_width="match_parent"
android:layout_height="350dp"
android:layout_margin="5dp" />
<Button
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_gravity="clip_vertical"
android:onClick="onGeoLocationButtonClick"
android:text="Your Location" />
<Button
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_gravity="clip_vertical"
android:onClick="onSubmitPriceClick"
android:text="Submit a price" />
<Button
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_gravity="clip_vertical"
android:onClick="onScrollViewButtonClick"
android:text="Scrollview" />
<Button
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_gravity="clip_vertical"
android:onClick="onWebViewButtonClick"
android:text="Webview" />
<WebView xmlns:android="http://schemas.android.com/apk/res/android"
android:id="#+id/webView1"
android:layout_width="match_parent"
android:layout_height="match_parent" />
</LinearLayout>
I would like to display the entered list items - this whole processus is working well - in fragment One, but the list items are not showing up. I don´t get any errors so I´m a bit stuck here. Any help or hints would be very appreciated, thanks.

Why is my Bluetooth application Crashing

I am working on a bluetooth application but my application crash .Here is my MainActivity.java
package com.race_gurram.bluetoothadapter;
import java.util.ArrayList;
import java.util.Set;
import android.app.Activity;
import android.bluetooth.BluetoothAdapter;
import android.bluetooth.BluetoothDevice;
import android.content.Intent;
import android.os.Bundle;
import android.view.Menu;
import android.view.View;
import android.widget.ArrayAdapter;
import android.widget.Button;
import android.widget.ListView;
import android.widget.Toast;
public class MainActivity extends Activity {
private Button on, off, get, bring;
private BluetoothAdapter BA;
private Set<BluetoothDevice> pairedDevices;
private ListView lv;
#Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
on = (Button) findViewById(R.id.on);
off = (Button) findViewById(R.id.off);
get = (Button) findViewById(R.id.get);
bring = (Button) findViewById(R.id.list);
lv = (ListView) findViewById(R.id.listView1);
BA = BluetoothAdapter.getDefaultAdapter();
}
public void on(View view)
{
if(!BA.isEnabled())
{
Intent turnOn = new Intent(BluetoothAdapter.ACTION_REQUEST_ENABLE);
startActivityForResult(turnOn,0);
Toast.makeText(getApplicationContext(), "Turned On", Toast.LENGTH_SHORT).show();
}
else
{
Toast.makeText(getApplicationContext(), "Already on", Toast.LENGTH_SHORT).show();
}
}
public void list(View view)
{
pairedDevices = BA.getBondedDevices();
ArrayList list = new ArrayList();
for(BluetoothDevice bt : pairedDevices)
list.add(BA.getName());
Toast.makeText(getApplicationContext(), "Searching for devices", Toast.LENGTH_SHORT).show();
final ArrayAdapter adapter = new ArrayAdapter(this,android.R.layout.simple_list_item_1,list);
lv.setAdapter(adapter);
}
public void get()
{
Intent getVisible = new Intent(BluetoothAdapter.ACTION_REQUEST_DISCOVERABLE);
startActivityForResult(getVisible,0);
}
public void off()
{
BA.disable();
Toast.makeText(getApplicationContext(), "Turned off", Toast.LENGTH_SHORT).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.main, menu);
return true;
}
}
and this is my activity.xml file
<RelativeLayout 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:orientation="vertical"
android:paddingBottom="#dimen/activity_vertical_margin"
android:paddingLeft="#dimen/activity_horizontal_margin"
android:paddingRight="#dimen/activity_horizontal_margin"
android:paddingTop="#dimen/activity_vertical_margin"
tools:context=".MainActivity" >
<ScrollView
android:id="#+id/scrollView1"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignParentBottom="true"
android:layout_alignParentLeft="true"
android:layout_alignParentRight="true"
android:layout_alignParentTop="true" >
<LinearLayout
android:layout_width="match_parent"
android:layout_height="match_parent"
android:orientation="vertical" >
<Button
android:id="#+id/on"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:onClick="on"
android:text="#string/on" />
<Button
android:id="#+id/get"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:onClick="get"
android:text="#string/get" />
<Button
android:id="#+id/list"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:onClick="list"
android:text="#string/bring" />
<Button
android:id="#+id/off"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:onClick="off"
android:text="#string/off" />
<ListView
android:id="#+id/listView1"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:visibility="visible" >
</ListView>
</LinearLayout>
</ScrollView>
</RelativeLayout>
Whenever I onclick on a button the application crashes... Please help me out with this .. thank in advance.

On get and off method, there should be a View parameter, right?
public void get(View v) {
Intent getVisible = new Intent(BluetoothAdapter.ACTION_REQUEST_DISCOVERABLE);
startActivityForResult(getVisible,0);
} public void off(View v) {
BA.disable();
Toast.makeText(getApplicationContext(), "Turned off", Toast.LENGTH_SHORT).show(); }

Perhaps it is when you click the list button. Assuming that the phone has 0 bonded devices,
paired.getBondedDevices() will probably return null and the program crashes due to a NullPointerException.
pairedDevices = BA.getBondedDevices();
ArrayList list = new ArrayList();
if(pairedDevices != null) {
for(BluetoothDevice bt : pairedDevices)
list.add(BA.getName());
}

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