Set text inside fragment not working after revisiting fragment

Set text inside fragment not working after revisiting fragment - java

I am developing an bus time table android app. I have three fragments.
Inside first fragment I have two radio buttons i.e. From Malegaon & To Malegaon. (Malegaon is name of place).
If I select From Malegaon radio button then I am setting text to sourceEditText as Malegaon. and If I select To Malegaon radio button then I am setting text to destinationEditText as Malegaon.
This condition is working fine, when I visit fragment first time, but if I revisit fragment then From Malegaon radio Button is already selected, sourceEditText is blank and destinationEditText has text as Malegaon.
Here is my snapshot and code for first fragment.
after selecting to Malegaon radio button.
I am just changing visibility of layout. (source edittext,destination edittext,search button is one layout)
OldStandFragment.java
public class OldStandFragment extends Fragment {
public static OldStandFragment fragment ;
private static final String ARG_POSITIONS = "position";
private int positions;
private View myFragmentViewOld;
private LinearLayout fromOldMalegoanView, toOldMalegoanView;
Button selectRouteButton;
public static final String required_dest = "Please Enter Destination";
public static final String required_source = "Please Enter Source";
String language = "";
DbHelper helper;
private String sourceId = "", destinationId = "";
private ArrayList<Route> myArrayList;
private RouteAdapter routeAdapter;
private ListView routeListView;
private EditText sourceEditTextFromMalegoanOld;
private EditText destinationEditTextFromMalegoanOld;
private ImageButton searchFromMalegoanButtonOld;
private EditText sourceEditTextToMalegoanOld;
private EditText destinationEditTextToMalegoanOld;
private ImageButton searchToMalegoanButtonOld;
private RadioButton fromOldMalegoanRadioButton, toOldMalegoanRadioButton;
public OldStandFragment() {
// Required empty public constructor
}
#Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
positions = getArguments().getInt(ARG_POSITIONS);
}
#Override
public View onCreateView(LayoutInflater inflater, ViewGroup container,
Bundle savedInstanceState) {
myFragmentViewOld = inflater.inflate(R.layout.fragment_old_stand, container, false);
selectRouteButton = (Button) myFragmentViewOld.findViewById(R.id.selectRouteButton);
fromOldMalegoanRadioButton = (RadioButton) myFragmentViewOld.findViewById(R.id.fromOldMalegoanRadioButton);
toOldMalegoanRadioButton = (RadioButton) myFragmentViewOld.findViewById(R.id.toOldMalegoanRadioButton);
fromOldMalegoanView = (LinearLayout) myFragmentViewOld.findViewById(R.id.fromOldMalegoanView);
toOldMalegoanView = (LinearLayout) myFragmentViewOld.findViewById(R.id.toOldMalegoanView);
sourceEditTextFromMalegoanOld = (EditText) fromOldMalegoanView.findViewById(R.id.sourceEditText);
destinationEditTextFromMalegoanOld = (EditText) fromOldMalegoanView.findViewById(R.id.destinationEditText);
searchFromMalegoanButtonOld = (ImageButton) fromOldMalegoanView.findViewById(R.id.searchResultButton);
sourceEditTextToMalegoanOld = (EditText) toOldMalegoanView.findViewById(R.id.sourceEditText);
destinationEditTextToMalegoanOld = (EditText) toOldMalegoanView.findViewById(R.id.destinationEditText);
searchToMalegoanButtonOld = (ImageButton) toOldMalegoanView.findViewById(R.id.searchResultButton);
SharedPreferences prefs = getContext().getSharedPreferences("MyPrefsFile", Context.MODE_PRIVATE);
int a = prefs.getInt("LangValue", 0);
if (a == 0) {
language = "English";
} else {
language = "मराठी";
}
helper = new DbHelper(getContext());
fromOldMalegoanRadioButton.setChecked(true);
toOldMalegoanRadioButton.setChecked(false);
fromOldMalegoanView.setVisibility(View.VISIBLE);
toOldMalegoanView.setVisibility(View.GONE);
String stopValue = helper.getStopName("1", language);
sourceEditTextFromMalegoanOld.setText(stopValue);
fromOldMalegoanRadioButton.setOnCheckedChangeListener(new CompoundButton.OnCheckedChangeListener() {
#Override
public void onCheckedChanged(CompoundButton buttonView, boolean isChecked) {
if (fromOldMalegoanRadioButton.isChecked()) {
toOldMalegoanRadioButton.setChecked(false);
fromOldMalegoanView.setVisibility(View.VISIBLE);
toOldMalegoanView.setVisibility(View.GONE);
helper = new DbHelper(getContext());
String stopValue1 = helper.getStopName("1", language);
sourceEditTextFromMalegoanOld.setText(stopValue1);
destinationEditTextFromMalegoanOld.setText("");
}
}
});
toOldMalegoanRadioButton.setOnCheckedChangeListener(new CompoundButton.OnCheckedChangeListener() {
#Override
public void onCheckedChanged(CompoundButton buttonView, boolean isChecked) {
if (toOldMalegoanRadioButton.isChecked()) {
fromOldMalegoanRadioButton.setChecked(false);
fromOldMalegoanView.setVisibility(View.GONE);
toOldMalegoanView.setVisibility(View.VISIBLE);
helper = new DbHelper(getContext());
String stopValue2 = helper.getStopName("1", language);
destinationEditTextToMalegoanOld.setText(stopValue2);
sourceEditTextToMalegoanOld.setText("");
}
}
});
searchFromMalegoanButtonOld.setOnClickListener(new View.OnClickListener() {
#Override
public void onClick(View v) {
//search result code.
}
});
searchToMalegoanButtonOld.setOnClickListener(new View.OnClickListener() {
#Override
public void onClick(View v) {
//search result code.
}
});
return myFragmentViewOld;
}
public static OldStandFragment newInstance(int position) {
if(fragment == null) {
fragment = new OldStandFragment();
}
Bundle bundle = new Bundle();
bundle.putInt(ARG_POSITIONS, position);
fragment.setArguments(bundle);
return fragment;
}
}
fragment_old_stand.xml
<LinearLayout 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:background="#000000"
android:scrollbars="vertical"
tools:context="com.ashishkudale.malegoanagar.Fragments.OldStandFragment">
<ScrollView
android:layout_width="match_parent"
android:layout_height="match_parent">
<LinearLayout
android:orientation="vertical"
android:layout_width="match_parent"
android:layout_height="match_parent">
<LinearLayout
android:orientation="horizontal"
android:layout_width="match_parent"
android:layout_height="wrap_content">
<TextView
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:text="Select Direction or Route"
android:gravity="center"
android:textColor="#FFFFFF"
android:id="#+id/Note"
android:textStyle="bold"
android:textAppearance="?android:attr/textAppearanceMedium"
android:layout_margin="15dp" />
</LinearLayout>
<LinearLayout
android:orientation="horizontal"
android:layout_width="match_parent"
android:layout_height="wrap_content">
<RadioGroup
android:id="#+id/rg_ContainerOld"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:orientation="vertical"
android:layout_marginTop="15dp">
<RadioButton
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:text="From Malegaon"
android:id="#+id/fromOldMalegoanRadioButton"
android:layout_marginLeft="5dp"
android:checked="false" />
<LinearLayout
android:orientation="vertical"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_marginTop="10dp">
<include
android:id="#+id/fromOldMalegoanView"
android:layout_width="match_parent"
android:layout_height="wrap_content"
layout="#layout/source_destination"
android:layout_margin="5dp" />
</LinearLayout>
<RadioButton
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:text="To Malegaon"
android:id="#+id/toOldMalegoanRadioButton"
android:layout_marginLeft="5dp" />
<LinearLayout
android:orientation="vertical"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_marginTop="10dp">
<include
android:id="#+id/toOldMalegoanView"
android:layout_width="match_parent"
android:layout_height="wrap_content"
layout="#layout/source_destination"
android:layout_margin="5dp" />
</LinearLayout>
</RadioGroup>
</LinearLayout>
<Button
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text=" Select Route "
android:id="#+id/selectRouteButton"
android:background="#drawable/button_effect"
android:layout_gravity="center_horizontal"
android:layout_margin="5dp" />
</LinearLayout>
</ScrollView>
this is Adapter to call fragment.
MyPagerAdapter
public class MyPagerAdapter extends FragmentPagerAdapter {
private final String[] TITLES = {"Old Stand","New Stand", "Fare"};
public MyPagerAdapter(FragmentManager fm) {
super(fm);
}
#Override
public CharSequence getPageTitle(int position) {
return TITLES[position];
}
#Override
public int getCount() {
return TITLES.length;
}
#Override
public android.support.v4.app.Fragment getItem(int position) {
android.support.v4.app.Fragment fragment = null;
if(position ==0) {
fragment = OldStandFragment.newInstance(position);
}else if(position ==1 ){
fragment = NewStandFragment.newInstance(position);
} else if (position == 2) {
fragment = MapFragment.newInstance(position);
}
return fragment;
}
}
after revisiting OldStandFragment it look like this.
I checked with adding logs everywhere possible. And I found that after revisiting OldStandFragment, toOldMalegoanRadioButton.setOnClickListner() method is getting called.
Now I want to refresh fragment when I re-visit or any other way to solve this issue.

You have to use SharedPreferences to save state of checkbox, try this code
public class StackOne extends AppCompatActivity {
SharedPreferences prefs;
private RadioButton rButton1, rButton2;
private RadioGroup rg_ContainerOld;
#Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.stack_one);
prefs = PreferenceManager.getDefaultSharedPreferences(StackOne.this);
rButton1 = (RadioButton) findViewById(R.id.fromOldMalegoanRadioButton);
rButton2 = (RadioButton) findViewById(R.id.toOldMalegoanRadioButton);
rg_ContainerOld = (RadioGroup) findViewById(R.id.rg_ContainerOld);
GetSelectedRadioButton();
int k = prefs.getInt("rb1", 0);
if (k == 1) {
rButton1.setChecked(true);
sourceEditTextFromMalegoanOld.setText("");
} else if (k == 2) {
rButton2.setChecked(true);
sourceEditTextToMalegoanOld.setText("");
}
}
private void GetSelectedRadioButton() {
rg_ContainerOld.setOnCheckedChangeListener(new RadioGroup.OnCheckedChangeListener() {
#Override
public void onCheckedChanged(RadioGroup group, int checkedId) {
switch (group.getCheckedRadioButtonId()) {
case R.id.fromOldMalegoanRadioButton:
prefs.edit().putInt("rb1", 1).commit();
break;
case R.id.toOldMalegoanRadioButton:
prefs.edit().putInt("rb1", 2).commit();
break;
}
}
});
}
}

In your code you are dynamically setting checked state of radiobutton
fromOldMalegoanRadioButton.setChecked(true);
toOldMalegoanRadioButton.setChecked(false);
thats why your radiobutton's oncheckedchanged method will get call. And thats why code in it.

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The problem is that you didn't set the ViewPager adapter
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<?xml version="1.0" encoding="utf-8"?>
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Any help is appreciated!

I have added a button that will append on a new row by calling
notifyDataSetChanged();
I can't see any append actions when someone clicks that button. I see that you clear both of your lists, personsName and personsPhone and after that you notify your adapter that those lists are empty.
Write what really want to be done inside the onClick().

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android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:ems="10"
android:hint="#string/birthday"
android:inputType="date"
android:drawableLeft="#drawable/ic_edittext_bd"
android:drawablePadding="20dp"/>
</android.support.design.widget.TextInputLayout>
<android.support.design.widget.TextInputLayout
android:id="#+id/flayout_gender"
android:theme="#style/TextLabel"
android:layout_width="150dp"
android:layout_height="wrap_content">
<EditText
android:id="#+id/input_gender"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:ems="10"
android:hint="#string/gender"
android:inputType="text|textCapSentences"
android:maxLength="1"
android:drawableLeft="#drawable/ic_edittext_gender"
android:drawablePadding="20dp"/>
</android.support.design.widget.TextInputLayout>
</LinearLayout>
<android.support.design.widget.TextInputLayout
android:id="#+id/flayout_location"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:theme="#style/TextLabel"
android:layout_below="#id/fHorizontal"
android:layout_marginTop="10dp">
<EditText
android:id="#+id/input_location"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:ems="10"
android:hint="#string/location"
android:inputType="text|textCapWords"
android:maxLength="25"
android:drawableLeft="#drawable/ic_edittext_location"
android:drawablePadding="20dp"/>
</android.support.design.widget.TextInputLayout>
Java Classes
Register Patient
public class RegisterPatient extends AppCompatActivity implements PersonalDataFragment.getEditText {
private Toolbar toolbar;
private TabLayout tabLayout;
private ViewPager viewPager;
private int[] tabIcons = {
R.drawable.ic_tab_data,
R.drawable.ic_tab_measures,
R.drawable.ic_tab_clinical
};
String s_lname;
private ConnectionSQL dataBase;
#Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.register_user);
dataBase = new ConnectionSQL(getApplicationContext());
//Setting up the toolbar
Toolbar toolBar = (Toolbar)findViewById(R.id.toolbar);
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) {
// Inflate the menu; this adds items to the action bar if it is present.
getMenuInflater().inflate(R.menu.register_menu, menu);
return true;
}
#Override
public boolean onOptionsItemSelected(MenuItem item) {
switch (item.getItemId()) {
// Respond to the action bar's Up/Home button
case R.id.action_settings:
//Code
break;
case R.id.regbutton:
registerPatient();
break;
}
return super.onOptionsItemSelected(item);
}
private void setupTabIcons() {
tabLayout.getTabAt(0).setIcon(tabIcons[0]);
tabLayout.getTabAt(1).setIcon(tabIcons[1]);
tabLayout.getTabAt(2).setIcon(tabIcons[2]);
}
private void setupViewPager(ViewPager viewPager) {
ViewPagerAdapter adapter = new ViewPagerAdapter(getSupportFragmentManager());
adapter.addFragment(new PersonalDataFragment(), getString(R.string.pData));
adapter.addFragment(new AnthropometryFragment(), getString(R.string.anthro));
adapter.addFragment(new NutritionalClinicalFragment(), getString(R.string.nutcli));
viewPager.setAdapter(adapter);
}
private void registerPatient() {
try {
/*final String s_lName = i_lName.getText().toString();
final String s_fName = i_fName.getText().toString();
final String s_bday = i_bday.getText().toString();
final String s_gender = i_gender.getText().toString();
final String s_location = i_location.getText().toString();
dataBase.addPatient(s_lName, s_fName, s_bday, s_gender, s_location);*/
Toast.makeText(RegisterPatient.this, "Patient added successfully!", Toast.LENGTH_SHORT).show();
clearForm((ViewGroup) findViewById(R.id.registerlayout));
} catch (Exception e) {
Toast.makeText(RegisterPatient.this, "Something were wrong! Try it again.", Toast.LENGTH_SHORT).show();
Log.w("WARNING", e.getMessage());
Log.w("WARNING_INFO", e.getCause());
}
}
private void clearForm(ViewGroup group)
{
for (int i = 0, count = group.getChildCount(); i < count; ++i) {
View view = group.getChildAt(i);
if (view instanceof EditText) {
((EditText)view).setText("");
}
if(view instanceof ViewGroup && (((ViewGroup)view).getChildCount() > 0))
clearForm((ViewGroup)view);
}
}
#Override
public void onFragmentEditTextChanged(String lname) {
}
}
PersonalDataFragment.java
public class PersonalDataFragment extends Fragment{
public EditText editText;
public Calendar myCalendar;
public DatePickerDialog.OnDateSetListener uDate;
private getEditText listener = null;
public PersonalDataFragment() {
// Required empty public constructor
}
#Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
}
#Override
public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
View v = inflater.inflate(R.layout.fragment_pdata, null);
//Calendar
editText = (EditText) v.findViewById(R.id.input_birthday);
final EditText i_lname = (EditText) v.findViewById(R.id.input_lName);
editText.setTextIsSelectable(true);
myCalendar = Calendar.getInstance();
uDate = new DatePickerDialog.OnDateSetListener() {
#Override
public void onDateSet(DatePicker view, int year, int monthOfYear,
int dayOfMonth) {
// TODO Auto-generated method stub
myCalendar.set(Calendar.YEAR, year);
myCalendar.set(Calendar.MONTH, monthOfYear);
myCalendar.set(Calendar.DAY_OF_MONTH, dayOfMonth);
updateLabel();
}
};
editText.setOnClickListener(new View.OnClickListener() {
#Override
public void onClick(View vi) {
// TODO Auto-generated method stub
new DatePickerDialog(getActivity(), uDate, myCalendar
.get(Calendar.YEAR), myCalendar.get(Calendar.MONTH),
myCalendar.get(Calendar.DAY_OF_MONTH)).show();
}
});
//Getting EditTexts
i_lname.addTextChangedListener(new TextWatcher() {
#Override
public void beforeTextChanged(CharSequence s, int start, int count, int after) { }
#Override
public void onTextChanged(CharSequence s, int start, int before, int count) { }
#Override
public void afterTextChanged(Editable s) {
if (listener != null) {
final String stg = i_lname.getText().toString();
listener.onFragmentEditTextChanged(stg);
Toast.makeText(getActivity(), stg, Toast.LENGTH_SHORT).show();
}
}
});
return v;
}
#Override
public void onAttach(Context context) {
listener = (getEditText) context;
}
private void updateLabel() {
String myFormat = "dd/MM/yy";
SimpleDateFormat sdf = new SimpleDateFormat(myFormat, Locale.US);
editText.setText(sdf.format(myCalendar.getTime()));
}
public interface getEditText {
public void onFragmentEditTextChanged(String lname);
}
}
I don't know what I am doing wrong. I need to get access to those EditText in order to user them and add the user to the SQLite DB but, as the EditText are in the Fragment, I cannot access them directly from the RegisterUser class.
Any ideas on how to solve this? I shall be really and deeply thankful.
Thanks in advance.

Try doing like this,
TextInputLayout FlayoutBirthday= (TextInputLayout) v.findViewById(R.id.flayout_birthday);
EditText i_lname = FlayoutBirthday.getEditText();

Android: Replacing activity view with fragment view

I've been searching for hours and hours on trying to understand the relationship between Fragments and Activities and I still cant get it right with my code.
I have a mainScreen class that loads actvity_main.xml. This main screen has a layout with a graph and sidebar etc.
I have a button that is on the side bar that is supposed to launch a sidebar fragment that has a checkbox listview in it so I can select data to show on my graph etc. But that fragment is not showing no matter what I do. It shows the "Bing~!" Toast but no other view is launched.
Perhaps I shouldn't be using a fragment? I don't want to start a new activity as the checkbox is supposed to interact with the graph and another fragment with a dynamic table in it and it will interact back and forth and so on.
I'm not too sure what to do here. I have about 3 weeks of Android experience so I'm not exactly knowledgeable about the whole shebang of it just yet. Really appreciate any ideas or help I can get. I am completely stumped and hence had to post my own question.
I really really appreciate any kind of help! Thanks!
mainScreen.java
public class mainScreen extends Activity {
private TextView text_display;
private Button button_list;
private Button button_table;
private String[] dataHolder;
public boolean listClicked = false;
public void loadData () {
//loaddata stuff here
}
public void createGraph () {
//graph create stuff here
}
public void buttonClick () {
button_list.setOnClickListener(
new View.OnClickListener() {
#Override
public void onClick(View v) {
sideFragment sf = new sideFragment();
FragmentManager fm = getFragmentManager();
FragmentTransaction ft = fm.beginTransaction();
ft.replace(R.id.side_fragment, sf);
ft.commit();
Toast.makeText(mainScreen.this, "Bing~!", Toast.LENGTH_SHORT).show();
}
}
);
}
#Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
Intent i = getIntent();
dataHolder = i.getStringArrayExtra("dataHolder");
button_list = (Button)findViewById(R.id.button_list);
loadData();
createGraph();
buttonClick();
}
}
activity_main.xml
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:tools="http://schemas.android.com/tools"
android:layout_width="match_parent"
android:layout_height="match_parent"
tools:context=".mainScreen"
android:id="#+id/mainlayout"
android:orientation="horizontal"
android:weightSum="1">
<LinearLayout
android:orientation="vertical"
android:layout_width="85dp"
android:layout_height="match_parent">
<Button
style="?android:attr/buttonStyleSmall"
android:layout_width="85dp"
android:layout_height="85dp"
android:text="Select"
android:id="#+id/button_list" />
<Button
style="?android:attr/buttonStyleSmall"
android:layout_width="85dp"
android:layout_height="85dp"
android:text="Table"
android:id="#+id/button_table" />
</LinearLayout>
<LinearLayout
android:orientation="vertical"
android:layout_width="match_parent"
android:layout_height="match_parent">
<TextView
android:layout_width="match_parent"
android:layout_height="40dp"
android:text=" "
android:id="#+id/text_display"
android:textSize="26dp"
android:layout_margin="5dp" />
<com.jjoe64.graphview.GraphView
android:layout_width="match_parent"
android:layout_height="match_parent"
android:id="#+id/graph" />
</LinearLayout>
<fragment
android:name="xabre.mobileicip.sideFragment"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:id="#+id/side_fragment" />
</LinearLayout>
sideFragment.java
public class sideFragment extends Fragment implements android.widget.CompoundButton.OnCheckedChangeListener {
ListView listviewFrag;
ArrayList<sideFrag> sideFragList;
sideFragAdapter sfAdapter;
#Override
public View onCreateView(LayoutInflater inflater, ViewGroup container,Bundle savedInstanceState) {
View view = inflater.inflate(R.layout.side_fragment, container, false);
listviewFrag = (ListView) view.findViewById(R.id.side_listview);
//displayList();
return view;
}
private void displayList() {
sideFragList = new ArrayList<sideFrag>();
sideFragList.add(new sideFrag("SPO2"));
sideFragList.add(new sideFrag("O2 Flow Rate"));
sideFragList.add(new sideFrag("Resp."));
sideFragList.add(new sideFrag("Cardiac Output"));
sideFragList.add(new sideFrag("Cardiac Index"));
sideFragList.add(new sideFrag("SVR"));
sideFragList.add(new sideFrag("Wedge Pressure"));
listviewFrag.setAdapter(sfAdapter);
}
#Override
public void onCheckedChanged(CompoundButton buttonView, boolean isChecked) {
int pos = listviewFrag.getPositionForView(buttonView);
if (pos != ListView.INVALID_POSITION) {
sideFrag sf = sideFragList.get(pos);
sf.setSelected(isChecked);
Toast.makeText(getActivity(),"" + sf.getName(), Toast.LENGTH_SHORT).show();
//Toast.makeText(sideFragment.this, "Clicked on sideFrag: " + sf.getName() + ". State: is " + isChecked, Toast.LENGTH_SHORT).show();
}
}
}
side_fragment.xml
<LinearLayout
xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:tools="http://schemas.android.com/tools"
android:orientation="vertical"
android:layout_width="fill_parent"
android:layout_height="fill_parent"
tools:context=".sideFragment"
android:id="#id/side_fragment">
<TextView
android:layout_width="match_parent"
android:layout_height="match_parent"
android:text="HELLO WORLD"
android:id="#+id/helloTester"/>
<LinearLayout
android:orientation="vertical"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:layout_margin="20dp">
<ListView
android:id="#+id/side_listview"
android:layout_width="match_parent"
android:layout_height="match_parent">
</ListView>
</LinearLayout>
</LinearLayout>
side_list.xml
<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent" android:layout_height="match_parent">
<CheckBox android:id="#+id/check_box"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:onClick="onCheckboxClicked"
android:layout_marginBottom="15dp" />
<TextView
android:id="#+id/check_name"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_toRightOf="#+id/check_box"
android:textStyle="bold"/>
</RelativeLayout>
sideFragAdapter.java
package xabre.mobileicip;
import android.content.Context;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.ArrayAdapter;
import android.widget.CheckBox;
import android.widget.CompoundButton;
import android.widget.TextView;
import java.util.List;
class sideFrag {
String name;
boolean selected = false;
public sideFrag(String name) {
super();
this.name = name;
}
public boolean isSelected() {
return selected;
}
public void setSelected(boolean selected) {
this.selected = selected;
}
public String getName() {
return name;
}
public void setName(String name) {
this.name = name;
}
}
public class sideFragAdapter extends ArrayAdapter<sideFrag> implements CompoundButton.OnCheckedChangeListener {
private List<sideFrag> sideList;
private Context context;
public sideFragAdapter (List<sideFrag> sideList, Context context) {
super(context, R.layout.side_list, sideList);
this.sideList = sideList;
this.context = context;
}
private static class sideHolder {
public CheckBox check_box;
public TextView check_name;
/* public CheckBox check_O2FR;
public CheckBox check_Resp;
public CheckBox check_Carout;
public CheckBox check_Carind;
public CheckBox check_svr;
public CheckBox check_resprate;
public CheckBox check_Peep;
public CheckBox check_O2AF;
public CheckBox check_FIO2;
public CheckBox check_PO2;
public CheckBox check_HCO3;
public CheckBox check_Urea;
public CheckBox check_Potassium;
public CheckBox check_Sodium;
public CheckBox check_Creatinine;
public CheckBox check_FluidIn;
public CheckBox check_FluidOut;
*/
}
#Override
public View getView(int position, View convertView, ViewGroup parent) {
View v = convertView;
sideHolder holder = new sideHolder();
if(convertView == null) {
LayoutInflater inflater = (LayoutInflater) context.getSystemService(Context.LAYOUT_INFLATER_SERVICE);
v = inflater.inflate(R.layout.side_list, parent, false);
holder.check_box = (CheckBox) v.findViewById(R.id.checkbox);
holder.check_name = (TextView) v.findViewById(R.id.check_name);
holder.check_box.setOnCheckedChangeListener(this);
} else {
holder = (sideHolder) v.getTag();
}
sideFrag p = sideList.get(position);
holder.check_name.setText(p.getName());
holder.check_box.setChecked(p.isSelected());
holder.check_box.setTag(p);
return v;
}
#Override
public void onCheckedChanged(CompoundButton buttonView,
boolean isChecked) {
}
}

You can only replace elements added from code. side_fragment is added in XML and as such is part of, let's say "read only" structure. You need to remove <fragment> element it from XML, and add it from code if you want to replace it later.

Custom adapter for listview using pasrequery

I am trying to create a demo app where the users enter a search and destination, the data will be queried from parse.com and then the matching result will be displayed in the next screen's listview. I have followed a few tutorials but for sure haven't been able to grasp the concept concretely enough. When I enter a search query, the progress bar shows up and then the application goes back into the previous activity. I can't understand where exactly things are going wrong.
This is my mainactivity class.
public class CarpoolingActivitySearch extends ActionBarActivity {
ListView listView;
ArrayList<Travellers> travellers;
CarpoolingAdapter adapter;
protected ProgressDialog proDialog;
#Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_carpooling_activity_search);
final EditText mSrc = (EditText)findViewById(R.id.carpooling_source);
final EditText mDst = (EditText)findViewById(R.id.destination);
Button mSubmitButton = (Button)findViewById(R.id.carpooling_submit);
mSubmitButton.setOnClickListener(new View.OnClickListener() {
#Override
public void onClick(View v) {
String source = mSrc.getEditableText().toString();
String destination = mDst.getEditableText().toString();
listView = (ListView) findViewById(R.id.list);
ParseQuery<ParseObject> query = ParseQuery.getQuery("Carpooling");
query.whereEqualTo("Source", source); //assume you have a DonAcc column in your Country table
query.whereEqualTo("Destination", destination); //assume you have a DonAcc column in your Country table
startLoading();
query.findInBackground(new FindCallback<ParseObject>() {
#Override
public void done(List<ParseObject> parseObjects, ParseException e) {
if(e==null)
{
for(int i=0;i<parseObjects.size();i++)
{
Travellers travellers1 = new Travellers();
travellers1.setSource("Source");
travellers1.setDestination("Destination");
travellers.add(travellers1);
if(travellers.size() > 0)
{
adapter = new CarpoolingAdapter(getApplicationContext(),R.layout.activity_carpooling_activity_search,travellers);
listView.setAdapter(adapter);
} else {
AlertDialog.Builder popup = new AlertDialog.Builder(CarpoolingActivitySearch.this);
popup.setMessage("Seems our servers are busy. Try again in some time.");
popup.setPositiveButton("Back",null);
AlertDialog dialog = popup.create();
dialog.show();
}
}
stopLoading();
finish();
}
else {
stopLoading();
AlertDialog.Builder popup = new AlertDialog.Builder(CarpoolingActivitySearch.this);
popup.setMessage(e.getMessage());
popup.setPositiveButton("Back",null);
AlertDialog dialog = popup.create();
dialog.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_carpooling_activity_search, 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);
}
protected void startLoading() {
proDialog = new ProgressDialog(this);
proDialog.setMessage("loading...");
proDialog.setProgressStyle(ProgressDialog.STYLE_SPINNER);
proDialog.setCancelable(false);
proDialog.show();
}
protected void stopLoading() {
proDialog.dismiss();
proDialog = null;
}
}
I have created a custom adapter for this purpose.
public class CarpoolingAdapter extends ArrayAdapter<Travellers> {
ArrayList<Travellers> travellersArrayList;
LayoutInflater vi;
int Resource;
ViewHolder holder;
Context context;
public CarpoolingAdapter(Context context, int resource, ArrayList<Travellers> objects) {
super(context, resource, objects);
vi = (LayoutInflater) context
.getSystemService(Context.LAYOUT_INFLATER_SERVICE);
Resource = resource;
travellersArrayList = objects;
this.context = context;
}
#Override
public View getView(int position, View convertView, ViewGroup parent) {
if(convertView== null) {
convertView = vi.inflate(Resource,null);
holder = new ViewHolder();
holder.mSource = (TextView)convertView.findViewById(R.id.textView);
holder.mDestination = (TextView)convertView.findViewById(R.id.textView2);
convertView.setTag(holder);
} else {
holder = (ViewHolder)convertView.getTag();
}
holder.mSource.setText(travellersArrayList.get(position).getSource());
holder.mDestination.setText(travellersArrayList.get(position).getDestination());
return convertView;
}
static class ViewHolder {
public TextView mSource;
public TextView mDestination;
}
}
And the travellers class with a default constructor and getter/setter methods.
public class Travellers {
private String Source;
private String Destination;
public Travellers() {
}
public Travellers(String source, String destination) {
super();
Source = source;
Destination = destination;
}
public String getSource() {
return Source;
}
public void setSource(String source) {
Source = source;
}
public String getDestination() {
return Destination;
}
public void setDestination(String destination) {
Destination = destination;
}
}
The main layout file named activity_carpooling_activity_search.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"
tools:context="com.example.android.myapplication.Carpooling.Carpooling">
<EditText
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:id="#+id/carpooling_source"
android:hint="Source"
android:layout_alignParentTop="true"
android:layout_alignParentLeft="true"
android:layout_alignParentStart="true" />
<EditText
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:id="#+id/destination"
android:hint="Destination"
android:layout_below="#+id/carpooling_source"
android:layout_alignParentLeft="true"
android:layout_alignParentStart="true"
android:layout_marginTop="86dp" />
<Button
style="?android:attr/buttonStyleSmall"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="Submit"
android:id="#+id/carpooling_submit"
android:layout_centerVertical="true"
android:layout_alignParentLeft="true"
android:layout_alignParentStart="true" />
<ScrollView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:id="#+id/scrollView"
android:layout_toEndOf="#+id/carpooling_submit"
android:layout_alignParentLeft="true"
android:layout_alignParentStart="true"
android:layout_alignParentBottom="true"
android:layout_below="#+id/carpooling_submit">
<ListView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:id="#+id/list" />
</ScrollView>
</RelativeLayout>
And finally my list_item_deatil.xml file.
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:orientation="vertical" android:layout_width="match_parent"
android:layout_height="match_parent"
android:weightSum="1">
<TextView
android:layout_width="174dp"
android:layout_height="wrap_content"
android:text="New Text"
android:id="#+id/textView"
android:layout_weight="0.13" />
<TextView
android:layout_width="245dp"
android:layout_height="wrap_content"
android:text="New Text"
android:id="#+id/textView2"
android:layout_weight="0.13" />
</LinearLayout>
What should I modify to make it work appropriately? I am not getting any errors as such.

First of all, you have posted a very long code blocks where indentation is not good enough to read you code.
So what I understood, as your ParseException e is null that means there is no exception. Inside that if block, after the for loop you are calling finish() which is causing your current activity instance to be destroyed thus going to previous activity.
I hope this helps you.

We Keep Coding

Java is a programming language and computing platform first released by Sun Microsystems in 1995.

Set text inside fragment not working after revisiting fragment - java

In your code you are dynamically setting checked state of radiobutton fromOldMalegoanRadioButton.setChecked(true); toOldMalegoanRadioButton.setChecked(false); thats why your radiobutton's oncheckedchanged method will get call. And thats why code in it.

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