Develop Reference

Some Views not being hidden when fragment changes

I have been following the tutorial for fragments from Google.
I tried adding a button to the news_articles.xml layout. The problem is that this button does not disappear like ListView, when the article_view.xml is called. When I run the app, it displays the ListView along with the test button. After clicking on one of the news headlines, the description of this news is displayed along with the button.
What do I need to modify, so that the button (or any other element) will not be shown? This sample image shows the button which remains seen after clicking a news item.
Code for news_articles.xml:
<FrameLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:id="#+id/fragment_container"
android:layout_width="match_parent"
android:layout_height="match_parent" >
<ListView
android:id="#+id/listView1"
android:layout_width="match_parent"
android:layout_height="wrap_content" >
</ListView>
<Button
android:id="#+id/button1"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="Button" />
</FrameLayout>
Code for article_view.xml
<FrameLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="fill_parent"
android:layout_height="fill_parent" >
<TextView
android:id="#+id/article"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:padding="16dp"
android:textSize="18sp" />
</FrameLayout>
MainActivity code:
public class MainActivity extends FragmentActivity
implements HeadlinesFragment.OnHeadlineSelectedListener {
/** Called when the activity is first created. */
#Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.news_articles);
// Check whether the activity is using the layout version with
// the fragment_container FrameLayout. If so, we must add the first fragment
if (findViewById(R.id.fragment_container) != null) {
// However, if we're being restored from a previous state,
// then we don't need to do anything and should return or else
// we could end up with overlapping fragments.
if (savedInstanceState != null) {
return;
}
// Create an instance of ExampleFragment
HeadlinesFragment firstFragment = new HeadlinesFragment();
// In case this activity was started with special instructions from an Intent,
// pass the Intent's extras to the fragment as arguments
firstFragment.setArguments(getIntent().getExtras());
// Add the fragment to the 'fragment_container' FrameLayout
getSupportFragmentManager().beginTransaction()
.add(R.id.fragment_container, firstFragment).commit();
}
}
public void onArticleSelected(int position) {
// The user selected the headline of an article from the HeadlinesFragment
// Capture the article fragment from the activity layout
ArticleFragment articleFrag = (ArticleFragment)
getSupportFragmentManager().findFragmentById(R.id.article_fragment);
if (articleFrag != null) {
// If article frag is available, we're in two-pane layout...
// Call a method in the ArticleFragment to update its content
articleFrag.updateArticleView(position);
} else {
// If the frag is not available, we're in the one-pane layout and must swap frags...
// Create fragment and give it an argument for the selected article
ArticleFragment newFragment = new ArticleFragment();
Bundle args = new Bundle();
args.putInt(ArticleFragment.ARG_POSITION, position);
newFragment.setArguments(args);
FragmentTransaction transaction = getSupportFragmentManager().beginTransaction();
// Replace whatever is in the fragment_container view with this fragment,
// and add the transaction to the back stack so the user can navigate back
transaction.replace(R.id.fragment_container, newFragment);
transaction.addToBackStack(null);
// Commit the transaction
transaction.commit();
}
}
}
HeadLines code:
public class HeadlinesFragment extends ListFragment {
OnHeadlineSelectedListener mCallback;
// The container Activity must implement this interface so the frag can deliver messages
public interface OnHeadlineSelectedListener {
/** Called by HeadlinesFragment when a list item is selected */
public void onArticleSelected(int position);
}
#Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
// We need to use a different list item layout for devices older than Honeycomb
int layout = Build.VERSION.SDK_INT >= Build.VERSION_CODES.HONEYCOMB ?
android.R.layout.simple_list_item_activated_1 : android.R.layout.simple_list_item_1;
ListView listViewTest=(ListView)getActivity().findViewById(R.id.listView1);
ArrayList<String> your_array_list = new ArrayList<String>();
your_array_list.add("Test1");
your_array_list.add("Test2");
ArrayAdapter<String> arrayAdapter =
new ArrayAdapter<String>(getActivity(),android.R.layout.simple_list_item_1, your_array_list);
setListAdapter(arrayAdapter);
// Create an array adapter for the list view, using the Ipsum headlines array
//setListAdapter(new ArrayAdapter<String>(getActivity(), layout, Ipsum.Headlines));
}
#Override
public void onStart() {
super.onStart();
// When in two-pane layout, set the listview to highlight the selected list item
// (We do this during onStart because at the point the listview is available.)
if (getFragmentManager().findFragmentById(R.id.article_fragment) != null) {
getListView().setChoiceMode(ListView.CHOICE_MODE_SINGLE);
}
}
#Override
public void onAttach(Activity activity) {
super.onAttach(activity);
// This makes sure that the container activity has implemented
// the callback interface. If not, it throws an exception.
try {
mCallback = (OnHeadlineSelectedListener) activity;
} catch (ClassCastException e) {
throw new ClassCastException(activity.toString()
+ " must implement OnHeadlineSelectedListener");
}
}
#Override
public void onListItemClick(ListView l, View v, int position, long id) {
// Notify the parent activity of selected item
mCallback.onArticleSelected(position);
// Set the item as checked to be highlighted when in two-pane layout
getListView().setItemChecked(position, true);
}
}
ArticleFragment code:
public class ArticleFragment extends Fragment {
final static String ARG_POSITION = "position";
int mCurrentPosition = -1;
#Override
public View onCreateView(LayoutInflater inflater, ViewGroup container,
Bundle savedInstanceState) {
// If activity recreated (such as from screen rotate), restore
// the previous article selection set by onSaveInstanceState().
// This is primarily necessary when in the two-pane layout.
if (savedInstanceState != null) {
mCurrentPosition = savedInstanceState.getInt(ARG_POSITION);
}
// Inflate the layout for this fragment
return inflater.inflate(R.layout.article_view, container, false);
}
#Override
public void onStart() {
super.onStart();
// During startup, check if there are arguments passed to the fragment.
// onStart is a good place to do this because the layout has already been
// applied to the fragment at this point so we can safely call the method
// below that sets the article text.
Bundle args = getArguments();
if (args != null) {
// Set article based on argument passed in
updateArticleView(args.getInt(ARG_POSITION));
} else if (mCurrentPosition != -1) {
// Set article based on saved instance state defined during onCreateView
updateArticleView(mCurrentPosition);
}
}
public void updateArticleView(int position) {
TextView article = (TextView) getActivity().findViewById(R.id.article);
article.setText(Ipsum.Articles[position]);
mCurrentPosition = position;
}
#Override
public void onSaveInstanceState(Bundle outState) {
super.onSaveInstanceState(outState);
// Save the current article selection in case we need to recreate the fragment
outState.putInt(ARG_POSITION, mCurrentPosition);
}
}

Create a new xml file that will be used in MainActivity - for example activity_main.xml
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:id="#+id/fragment_container"
xmlns:tools="http://schemas.android.com/tools"
android:layout_width="match_parent"
android:layout_height="match_parent"
tools:context=".MainActivity">
</RelativeLayout>
In MainActivity modify the code, so that it uses the new xml layout -
setContentView(R.layout.activity_main);
Further modify the onCreateMethod so it looks like this
#Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
if (savedInstanceState != null) {
return;
}
HeadlinesFragment firstFragment = new HeadlinesFragment();
firstFragment.setArguments(getIntent().getExtras());
getSupportFragmentManager().beginTransaction()
.add(R.id.fragment_container, firstFragment).commit();
}
In HeadLinesFragment override the onCreateView method
#Override
public View onCreateView(LayoutInflater inflater, ViewGroup container,
Bundle savedInstanceState) {
ViewGroup rootView = (ViewGroup) inflater.inflate(R.layout.news_articles, container, false);
return rootView;
}
That should be all. Try it out by adding some sample buttons in the news_articles.xml.

Create new Fragment from a Fragment which is part of ViewPager

I've seen many questions that seemed relevant, but I have failed to found the one that is exactly what I'm looking for.
I have an App, with a ViewPager in MainActivity.
one of the Fragments in the ViewPager is a ListFragment.
I want to enable a creation of new Fragment when the user clicks a List item,
using onListItemClick function.
The new Fragment will replace the ViewPager, and will display its layout and data.
I also want to allows clicking the Back button, which will return the User to the previous state of the PageViewer.
#Override
public void onListItemClick(ListView l, View v, int position, long id) {
StationDescriptionFragment newFragment = new StationDescriptionFragment();
Bundle args = new Bundle();
args.putString(StationDescriptionFragment.ARG_DESCRIPTION, this.stationsList.get(position).getDescription());
newFragment.setArguments(args);
FragmentTransaction transaction = getChildFragmentManager().beginTransaction();
transaction.replace(R.id.fragment_container, newFragment);
transaction.addToBackStack(null);
transaction.commit();
getListView().setItemChecked(position, true);
}
This code is inside the Fragment which is part of the ViewPager.
This code ends and than the app crashes right after this function ends. I know for sure that this function ends.
The crash is:
FragmentManagerImpl.throwException(RuntimeException) line: 462
The StationDescriptionFragment class:
public class StationDescriptionFragment extends Fragment {
final static String ARG_DESCRIPTION = "description";
String mCurrentDescription = "";
#Override
public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
if (savedInstanceState != null) {
mCurrentDescription = savedInstanceState.getString(ARG_DESCRIPTION);
}
return inflater.inflate(R.layout.description_view, container, false);
}
public void onActivityCreated(Bundle savedInstanceState) {
super.onActivityCreated(savedInstanceState);
updateDescription("Some Description");
}
public void updateDescription(String description) {
TextView desc = (TextView) getActivity().findViewById(R.id.description);
desc.setText(description);
mCurrentDescription = description;
}
#Override
public void onSaveInstanceState(Bundle outState) {
super.onSaveInstanceState(outState);
outState.putString(ARG_DESCRIPTION, mCurrentDescription);
}
}
description_view.xml
<TextView xmlns:android="http://schemas.android.com/apk/res/android"
android:id="#+id/description"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:padding="16dp"
android:textSize="18sp" />
Any help will be much appreciated.
Thanks.

The new Fragment will replace the ViewPager, and will display its
layout and data. I also want to allows clicking the Back button, which
will return the User to the previous state of the PageViewer.
If you want to replace the ViewPager(which I assume is in another fragment) along with its page fragments then use the normal FragmentManager and not the one returned by getChildFragmentManager() which is targeted at implementing nested fragments. getChildFragmentManager() will look for that id(to put the new fragment) in the current fragment's view and I assume R.id.fragment_container is the id of the container that holds the fragment with the ViewPager:
#Override
public void onListItemClick(ListView l, View v, int position, long id) {
getListView().setItemChecked(position, true); // call this before the transaction
StationDescriptionFragment newFragment = new StationDescriptionFragment();
Bundle args = new Bundle();
args.putString(StationDescriptionFragment.ARG_DESCRIPTION, this.stationsList.get(position).getDescription());
newFragment.setArguments(args);
FragmentTransaction transaction = getFragmentManager().beginTransaction();
transaction.replace(R.id.fragment_container, newFragment);
transaction.addToBackStack(null);
transaction.commit();
}

Replacing a fragment with another fragment of the same class

I have a fragment (let's call it MyFragment) that inflates different layouts according to a parameter passed in the arguments.
All works well if MyFragment is started from a different fragment. But if MyFragment is active and I want to launch a new MyFragment with a different layout parameter, the fragmentManager does not create a new fragment at all.
data.setInt("Layout index",i);
fragmentTab0 = (Fragment) new MyFragment();
fragmentTab0.setArguments(data);
fragmentTransaction.replace(R.id.fragmentContent, fragmentTab0, "MY");
fragmentTransaction.addToBackStack(null);
fragmentTransaction.commit();
How can I force convince the fragmentTransaction to launch the fragment again?
NOTE: The important point here is I need to inflate again a layout, which is different from the layout inflated before. The code looks like:
public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
switch( getArguments().getInt("Layout index") ) {
case 1:
rootView = inflater.inflate(R.layout.firstlayout, container, false);
break;
case 2:
rootView = inflater.inflate(R.layout.secondlayout, container, false);
break;
case 3:
rootView = inflater.inflate(R.layout.thirdlayout, container, false);
break;
default: break;
}

Bypass Solution
Explanation (hoover to see it)
Since the source code for fragmentTransaction.replace/add/remove is
not available I could not find what really happens. But it is
reasonable to think that at some point it compares the current class
name with the replacement class name and it exits if they are the
same.. Thanks to #devconsole for pointing out the source
code. I know now why this happens. The FragmentManager.removeFragment()
method does not reset the fragment state, it remains RESUMED, then the
method moveToState(CREATED) only initilizes a fragment if (f.mState <
newState) = if (RESUMED < CREATED) = false. Else, ergo, it just resumes the fragment.
So to solve this problem I created an almost empty fragment which only purpose is to replace itself with the target fragment.
public class JumpFragment {
public JumpFragment() {
}
#Override
public void onStart() {
Bundle data = getArguments();
int containerId = data.getString("containerID");
String tag = data.getString("tag");
//Class<?> c = data.get???("class");
//Fragment f = (Fragment) c.newInstance();
Fragment f = (Fragment) new MyFragment();
FragmentManager fragmentManager = getFragmentManager();
FragmentTransaction fragmentTransaction = fragmentManager.beginTransaction();
f.setArguments(data);
fragmentTransaction.replace(containerId, f, tag);
fragmentTransaction.addToBackStack(null);
fragmentTransaction.commit();
}
}
And I use it:
data.setInt("Layout index",i);
data.setInt("containerID",R.id.fragmentContent);
data.setString("tag","MY");
fragmentTab0 = (Fragment) new JumpFragment();
fragmentTab0.setArguments(data);
fragmentTransaction.replace(R.id.fragmentContent, fragmentTab0);
fragmentTransaction.commit();
Now no fragment is replaced by a same class fragment:
MyFragment -> JumpFragment -> MyFragment
I haven't figured out how to pass the class through the arguments bundle, to make it totally generic.

The following worked without problems for me. Notice that I used the Android Support Library.
activity_main.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"
tools:context=".MainActivity" >
<Button
android:id="#+id/button_one"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="ONE" />
<Button
android:id="#+id/button_two"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_toRightOf="#id/button_one"
android:text="TWO" />
<FrameLayout
android:id="#+id/main_container"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:layout_below="#id/button_one" >
</FrameLayout>
</RelativeLayout>
MainActivity.java:
public class MainActivity extends FragmentActivity {
#Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
if (savedInstanceState == null) {
FragmentManager fragmentManager = getSupportFragmentManager();
FragmentTransaction transaction = fragmentManager.beginTransaction();
Fragment fragment = DetailsFragment.newInstance("INITIAL");
transaction.add(R.id.main_container, fragment);
transaction.commit();
}
findViewById(R.id.button_one).setOnClickListener(new View.OnClickListener() {
#Override
public void onClick(View v) {
update("Button 1 clicked");
}
});
findViewById(R.id.button_two).setOnClickListener(new View.OnClickListener() {
#Override
public void onClick(View v) {
update("Button 2 clicked");
}
});
}
protected void update(String value) {
FragmentManager fragmentManager = getSupportFragmentManager();
FragmentTransaction transaction = fragmentManager.beginTransaction();
Fragment fragment = DetailsFragment.newInstance(value);
transaction.replace(R.id.main_container, fragment);
transaction.commit();
}
public static final class DetailsFragment extends Fragment {
public static DetailsFragment newInstance(String param) {
DetailsFragment fragment = new DetailsFragment();
Bundle args = new Bundle();
args.putString("param", param);
fragment.setArguments(args);
return fragment;
}
#Override
public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
TextView textView = new TextView(container.getContext());
textView.setText(getArguments().getString("param"));
return textView;
}
}
}

Did you try to first remove your fragment with remove(fragMgr.findFragmentByTag("MY"))and then add the new one ?
PS : I assume you don't keep any reference to this fragment.

If I understand you correctly: the fragment you want to replace what is currently being displayed and the user does something to cause it to re-display itself?
If this is correct then have done something similar this way:
public class MyFragment extends Fragment {
#Override
public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
// Inflate the layout for this fragment
final View V = inflater.inflate(R.layout.myLayout, container, false);
// Call method that fills the layout with data
displayData(V);
// Put a listener here that checks for user input
Button redisplayButton = (Button) V.findViewById(R.id.my_button);
// if the button is clicked....
redisplayButton.setOnClickListener(new OnClickListener() {
public void onClick(View v){
//
// do some stuff
//
// ....then eventually...
displayData(V);
}
});
return V;
}
Later on you can have the displayData() method that defines what the fragment displays....
public void displayData(View V){
// Do something
return;
}
Hope this helps!

Updating content within fragment

I am working on an android project and I am trying to work out how I can use fragments to make a tablet friendly UI for my app. But I am unsure how to update fragment B depending on what happens in fragment A. I know I need some sort of interface but I can't work out how to implement it.
Basically, what I have is an activity called MainActivity which sets the layout for the fragments.
In landscape mode the XML file is.
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:orientation="horizontal"
android:layout_width="match_parent"
android:layout_height="match_parent">
<fragment android:name="com.BoardiesITSolutions.FragmentTest.FragmentA"
android:id="#+id/list"
android:layout_weight="1"
android:layout_width="0px"
android:layout_height="match_parent">
</fragment>
<FrameLayout android:id="#+id/viewer"
android:layout_weight="1"
android:layout_width="0px"
android:layout_height="match_parent"
android:background="?android:attr/detailsElementBackground">
</FrameLayout>
</LinearLayout>
In portrait mode its
Currently the MainActivity just sets the content view to the XML file above using SetContentView within in the onCreate method. Below is how it looks.
In the FragmentA class file it extends ListFragment and contains a ListView of items and what I want to be able to do is to update the textview within Fragment B based on what is selected in Fragment A.
Below is the code for fragment A.
#Override
public View onCreateView(LayoutInflater inflator, ViewGroup container, Bundle savedInstanceState)
{
return inflator.inflate(R.layout.fragment_a, container, false);
}
#Override
public void onActivityCreated(Bundle savedInstanceState)
{
super.onActivityCreated(savedInstanceState);
myListView = getListView();
ArrayList<String> arrayList = new ArrayList<String>();
arrayList.add("Item1");
arrayList.add("Item2");
arrayList.add("Item3");
ArrayAdapter<String> arrayAdapter = new ArrayAdapter<String>(getActivity().getApplicationContext(),
android.R.layout.simple_list_item_activated_1, arrayList);
setListAdapter(arrayAdapter);
View fragmentB = getActivity().findViewById(R.id.viewer);
mDualPane = fragmentB != null && fragmentB.getVisibility() == View.VISIBLE;
if (savedInstanceState != null)
{
mCurCheckPosition = savedInstanceState.getInt("curChoice", 0);
}
if (mDualPane)
{
myListView.setChoiceMode(ListView.CHOICE_MODE_SINGLE);
showDetails(mCurCheckPosition);
}
}
#Override
public void onListItemClick(ListView l, View view, int position, long id)
{
showDetails(position);
}
private void showDetails(int index)
{
mCurCheckPosition = index;
if (mDualPane)
{
myListView.setItemChecked(index, true);
FragmentB details = (FragmentB)getFragmentManager().findFragmentById(R.id.viewer);
if (details == null || details.getShownIndex() != index)
{
details = FragmentB.newInstance(index);
FragmentTransaction fragmentTransaction = getFragmentManager().beginTransaction();
fragmentTransaction.replace(R.id.viewer, details);
fragmentTransaction.setTransition(FragmentTransaction.TRANSIT_FRAGMENT_FADE);
fragmentTransaction.commit();
}
}
else
{
Intent intent = new Intent(getActivity(), FragmentBActivity.class);
intent.putExtra("index", index);
startActivity(intent);
}
}
#Override
public void onSaveInstanceState(Bundle outState)
{
super.onSaveInstanceState(outState);
outState.putInt("curChoice", mCurCheckPosition);
}
FragmentB contains the following code, this class extends Fragment
public View onCreateView(LayoutInflater inflator, ViewGroup container, Bundle savedInstanceState)
{
if (container == null)
{
return null;
}
View view = inflator.inflate(R.layout.fragment_b, container, false);
return view;
}
public static FragmentB newInstance(int index)
{
FragmentB fragmentB = new FragmentB();
Bundle args = new Bundle();
args.putInt("index", index);
//rgs.putString("content", content);
fragmentB.setArguments(args);
return fragmentB;
}
public int getShownIndex()
{
return getArguments().getInt("index", 0);
}
And in the Activity file for FragmentB it contains the following
#Override
public void onCreate(Bundle savedInstanceState)
{
super.onCreate(savedInstanceState);
if (getResources().getConfiguration().orientation == Configuration.ORIENTATION_LANDSCAPE)
{
finish();
return;
}
if (savedInstanceState == null)
{
FragmentB fragmentB = new FragmentB();
fragmentB.setArguments(getIntent().getExtras());
getFragmentManager().beginTransaction().add(android.R.id.content, fragmentB).commit();
}
}
As you can see from the screenshot above, I have the basis of the fragments working and when I click on each item, it shows what the currently selected item is, but I have no idea how to tell it to update the textview in fragment b based on what the user clicked from fragment a and how this is handled in both portrait and landscape mode.
Thanks for any help you can provide.

You may override the onActivityCreated() method of FragmentB, find view by id of that TextView, and update it.
Here's a mock:
public class FragmentB extends Fragment{
//......
#Override
public void onActivityCreated(Bundle savedInstanceState) {
super.onActivityCreated(savedInstanceState);
TextView textView = getActivity().findViewById(R.id.my_textview);
textView.setText("Hello World!");
}
}

but I have no idea how to tell it to update the textview in fragment b based on what the user clicked from fragment a and how this is handled in both portrait and landscape mode.
Have Fragment A call a method on the hosting activity to let it know that the user clicked on something. The hosting activity can then either call a method on Fragment B (if that fragment exists), or start up Fragment B (if the fragment does not exist but there is room for it), or start an activity that will be responsible for displaying Fragment B (e.g., on a phone).
What I wouldn't do is what you are doing: having Fragment A create Fragment B. Fragment A should not care if Fragment B exists or not; that is the activity's job. Fragment A should only worry about Fragment A, plus passing necessary events to the activity.

Android fragment with activities inside

I just started with fragment design for HoneyComb. I created two fragments. When i click the button 'santhosh'(in left side of pic), one button is created in the another fragment(right side of pic). Next I want to make listener for next button, so that next activity is created in the same fragment(ie. new activity within the right side fragment). My codes below.
main.xml
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:orientation="horizontal" >
<fragment class="com.fragment.example.Titles"
android:id="#+id/titles" android:layout_weight="1"
android:layout_width="0px"
android:layout_height="match_parent" />
<FrameLayout android:id="#+id/details" android:layout_weight="1"
android:layout_width="0px"
android:layout_height="match_parent" />
</LinearLayout>
FragmentExample.java
public class FragmentExample extends Activity {
/** Called when the activity is first created. */
#Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
}
}
Titles.java
public class Titles extends Fragment {
public FragmentTransaction ft;
#Override
public View onCreateView(LayoutInflater inflater,
ViewGroup container, Bundle savedInstanceState) {
View v = inflater.inflate(R.layout.main1, null);
Button button1 = (Button)v.findViewById(R.id.button1);
button1.setText("santhosh");
button1.setOnClickListener(new OnClickListener() {
#Override
public void onClick(View arg0) {
// TODO Auto-generated method stub
DetailsFragment details = (DetailsFragment)
getFragmentManager().findFragmentById(R.id.details);
if (details == null || details.getShownIndex() != 1) {
// Make new fragment to show this selection.
details = DetailsFragment.newInstance(1);
// Execute a transaction, replacing any existing
// fragment with this one inside the frame.
ft
= getFragmentManager().beginTransaction();
ft.add(R.id.details, details, "detail");
ft.setTransition(
FragmentTransaction.TRANSIT_FRAGMENT_FADE);
ft.commit();
}
}
});
return v;
}
}
DetailsFragment.java
public class DetailsFragment extends Fragment {
/**
* Create a new instance of DetailsFragment, initialized to
* show the text at 'index'.
*/
Titles title = new Titles();
String[] titles = {"Title1", "Title2", "Title3", "Title4"};
public static DetailsFragment newInstance(int index) {
DetailsFragment f = new DetailsFragment();
// Supply index input as an argument.
Bundle args = new Bundle();
args.putInt("index", index);
f.setArguments(args);
return f;
}
public int getShownIndex() {
return getArguments().getInt("index", 0);
}
#Override
public View onCreateView(LayoutInflater inflater,
ViewGroup container, Bundle savedInstanceState) {
if (container == null) {
// Currently in a layout without a container, so no
// reason to create our view.
return null;
}
Button button = new Button(getActivity());
button.setText("Next");
button.setOnClickListener(new OnClickListener() {
#Override
public void onClick(View v) {
// TODO Auto-generated method stub
}
});
return button;
}
}
From the DetailsFragment.java i want to display a new Activity with that fragment.

Next I want to make listener for next button, so that next activity is created in the same fragment(ie. new activity within the right side fragment).
This is not supported, sorry. Nested activities are deprecated.