Develop Reference

Show Action Bar icons using FragmentActivity implements ActionBar.TabListener

I'm trying to show the action bar icons using FragmentActivity (with implements ActionBar.TabListener). I'm following this example : http://developer.android.com/training/implementing-navigation/lateral.html#tabs (EffectiveNavigation.zip) but i can't figure out how can i show the "search icon" (in my case) on the action bar, because for the moment i can only see the search option when tap the menu button.
jpg
I've tried to switch from FragmentActivity to ActionBarActivity but seems it does not support the ActionBar.TabListener.
MainActivity
public class MainActivity extends FragmentActivity implements ActionBar.TabListener {
/**
* The {#link android.support.v4.view.PagerAdapter} that will provide fragments for each of the
* three primary sections of the app. We use a {#link android.support.v4.app.FragmentPagerAdapter}
* derivative, which will keep every loaded fragment in memory. If this becomes too memory
* intensive, it may be best to switch to a {#link android.support.v4.app.FragmentStatePagerAdapter}.
*/
AppSectionsPagerAdapter mAppSectionsPagerAdapter;
/**
* The {#link ViewPager} that will display the three primary sections of the app, one at a
* time.
*/
ViewPager mViewPager;
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
requestWindowFeature(Window.FEATURE_ACTION_BAR);
setContentView(R.layout.activity_main);
// Create the adapter that will return a fragment for each of the three primary sections
// of the app.
mAppSectionsPagerAdapter = new AppSectionsPagerAdapter(getSupportFragmentManager());
// Set up the action bar.
final ActionBar actionBar = getActionBar();
actionBar.setHomeButtonEnabled(true);
actionBar.setDisplayShowTitleEnabled(true);
// Specify that we will be displaying tabs in the action bar.
actionBar.setNavigationMode(ActionBar.NAVIGATION_MODE_TABS);
// Set up the ViewPager, attaching the adapter and setting up a listener for when the
// user swipes between sections.
mViewPager = (ViewPager) findViewById(R.id.pager);
mViewPager.setAdapter(mAppSectionsPagerAdapter);
mViewPager.setOnPageChangeListener(new ViewPager.SimpleOnPageChangeListener() {
#Override
public void onPageSelected(int position) {
// When swiping between different app sections, select the corresponding tab.
// We can also use ActionBar.Tab#select() to do this if we have a reference to the
// Tab.
actionBar.setSelectedNavigationItem(position);
}
});
// For each of the sections in the app, add a tab to the action bar.
for (int i = 0; i < mAppSectionsPagerAdapter.getCount(); i++) {
// Create a tab with text corresponding to the page title defined by the adapter.
// Also specify this Activity object, which implements the TabListener interface, as the
// listener for when this tab is selected.
actionBar.addTab(
actionBar.newTab()
.setText(mAppSectionsPagerAdapter.getPageTitle(i))
.setTabListener(this));
}
}
#Override
public void onTabUnselected(ActionBar.Tab tab, FragmentTransaction fragmentTransaction) {
}
#Override
public void onTabSelected(ActionBar.Tab tab, FragmentTransaction fragmentTransaction) {
// When the given tab is selected, switch to the corresponding page in the ViewPager.
mViewPager.setCurrentItem(tab.getPosition());
}
#Override
public void onTabReselected(ActionBar.Tab tab, FragmentTransaction fragmentTransaction) {
}
/**
* A {#link FragmentPagerAdapter} that returns a fragment corresponding to one of the primary
* sections of the app.
*/
#Override
public boolean onCreateOptionsMenu(Menu menu) {
getMenuInflater().inflate(R.menu.menu_main, menu);
return super.onCreateOptionsMenu(menu);
}
#Override
public boolean onOptionsItemSelected(MenuItem item) {
int id = item.getItemId();
if (id == R.id.action_settings) {
return true;
} else if(id == R.id.action_search) {
return true;
}
return super.onOptionsItemSelected(item);
}
public static class AppSectionsPagerAdapter extends FragmentPagerAdapter {
public AppSectionsPagerAdapter(FragmentManager fm) {
super(fm);
}
#Override
public Fragment getItem(int i) {
switch (i) {
case 0:
// The first section of the app is the most interesting -- it offers
// a launchpad into the other demonstrations in this example application.
return new LaunchpadSectionFragment();
default:
// The other sections of the app are dummy placeholders.
Fragment fragment = new DummySectionFragment();
Bundle args = new Bundle();
args.putInt(DummySectionFragment.ARG_SECTION_NUMBER, i + 1);
fragment.setArguments(args);
return fragment;
}
}
#Override
public int getCount() {
return 3;
}
#Override
public CharSequence getPageTitle(int position) {
return "Section " + (position + 1);
}
}
/**
* A fragment that launches other parts of the demo application.
*/
public static class LaunchpadSectionFragment extends Fragment {
#Override
public View onCreateView(LayoutInflater inflater, ViewGroup container,
Bundle savedInstanceState) {
View rootView = inflater.inflate(R.layout.fragment_section_launchpad, container, false);
// Demonstration of a collection-browsing activity.
rootView.findViewById(R.id.demo_collection_button)
.setOnClickListener(new View.OnClickListener() {
#Override
public void onClick(View view) {
Intent intent = new Intent(getActivity(), CollectionDemoActivity.class);
startActivity(intent);
}
});
// Demonstration of navigating to external activities.
rootView.findViewById(R.id.demo_external_activity)
.setOnClickListener(new View.OnClickListener() {
#Override
public void onClick(View view) {
// Create an intent that asks the user to pick a photo, but using
// FLAG_ACTIVITY_CLEAR_WHEN_TASK_RESET, ensures that relaunching
// the application from the device home screen does not return
// to the external activity.
Intent externalActivityIntent = new Intent(Intent.ACTION_PICK);
externalActivityIntent.setType("image/*");
externalActivityIntent.addFlags(
Intent.FLAG_ACTIVITY_CLEAR_WHEN_TASK_RESET);
startActivity(externalActivityIntent);
}
});
return rootView;
}
}
/**
* A dummy fragment representing a section of the app, but that simply displays dummy text.
*/
public static class DummySectionFragment extends Fragment {
public static final String ARG_SECTION_NUMBER = "section_number";
#Override
public View onCreateView(LayoutInflater inflater, ViewGroup container,
Bundle savedInstanceState) {
View rootView = inflater.inflate(R.layout.fragment_section_dummy, container, false);
Bundle args = getArguments();
((TextView) rootView.findViewById(android.R.id.text1)).setText(
getString(R.string.dummy_section_text, args.getInt(ARG_SECTION_NUMBER)));
return rootView;
}
}
}
menu_main.xml
<menu 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" tools:context=".MainActivity">
<!-- Search, should appear as action button -->
<item android:id="#+id/action_search"
android:icon="#drawable/search_icon"
android:title="#string/action_search"
app:showAsAction="ifRoom" />
<!-- Settings, should always be in the overflow -->
<item android:id="#+id/action_settings"
android:title="#string/action_settings"
android:orderInCategory="100"
app:showAsAction="never" />
</menu>
manifest
<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
package="com.mycompany.effectivenavigation" >
<application
android:allowBackup="true"
android:icon="#mipmap/ic_launcher"
android:label="#string/app_name"
android:theme="#style/AppTheme">
<activity
android:name=".MainActivity"
android:label="#string/app_name"
android:theme="#android:style/Theme.Holo.Light.DarkActionBar">
<intent-filter>
<action android:name="android.intent.action.MAIN" />
<category android:name="android.intent.category.LAUNCHER" />
</intent-filter>
</activity>
<activity
android:name=".CollectionDemoActivity"
android:label="CollectionDemo"
android:theme="#android:style/Theme.Holo.Light.DarkActionBar">
</activity>
</application>
</manifest>

Try changing app:showAsAction="ifRoom" to android:showAsAction="always" for the search icon. The custom namespace only needs to be used if you are using the v7 support library, which does not seem to be the case. With that in mind, you should also change the namespace for your other menu item.

"Tabbed Activity" template in Android Studio produces uncaught thread exception

I'm at a complete loss.
I am trying to create a simple Tabbed Activity from the Android Studio wizard. If I run the project, the app hangs, and I get a thread exception error.
D/AndroidRuntime﹕ Shutting down VM
W/dalvikvm﹕ threadid=1: thread exiting with uncaught exception (group=0x4179cda0)
I/dalvikvm﹕ threadid=3: reacting to signal 3
I/dalvikvm﹕ Wrote stack traces to '/data/anr/traces.txt'
Which dumps a 4,000 line long stack trace.. which I haven't been able to gather much from after glancing it over a few times.
I've been over this code a hundred times and I can't find anything that stands out. I am able to add a tabbed activity to a brand new project, but when I add it to my current project, it fails to run. I don't know what other info I can provide.. I've been at this all day long.
Manifest:
<activity
android:name=".Blah"
android:label="#string/title_activity_blah" >
<intent-filter>
<action android:name="android.intent.action.MAIN" />
<category android:name="android.intent.category.LAUNCHER" />
</intent-filter>
</activity>
It creates a new ViewPager activity
<android.support.v4.view.ViewPager xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:tools="http://schemas.android.com/tools" android:id="#+id/pager"
android:layout_width="match_parent" android:layout_height="match_parent"
tools:context="com.test.testproject.Blah" />
With a default class:
public class Blah extends ActionBarActivity implements ActionBar.TabListener {
/**
* The {#link android.support.v4.view.PagerAdapter} that will provide
* fragments for each of the sections. We use a
* {#link FragmentPagerAdapter} derivative, which will keep every
* loaded fragment in memory. If this becomes too memory intensive, it
* may be best to switch to a
* {#link android.support.v4.app.FragmentStatePagerAdapter}.
*/
SectionsPagerAdapter mSectionsPagerAdapter;
/**
* The {#link ViewPager} that will host the section contents.
*/
ViewPager mViewPager;
#Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_ccs);
// Set up the action bar.
final ActionBar actionBar = getSupportActionBar();
actionBar.setNavigationMode(ActionBar.NAVIGATION_MODE_TABS);
// Create the adapter that will return a fragment for each of the three
// primary sections of the activity.
mSectionsPagerAdapter = new SectionsPagerAdapter(getSupportFragmentManager());
// Set up the ViewPager with the sections adapter.
mViewPager = (ViewPager) findViewById(R.id.pager);
mViewPager.setAdapter(mSectionsPagerAdapter);
// When swiping between different sections, select the corresponding
// tab. We can also use ActionBar.Tab#select() to do this if we have
// a reference to the Tab.
mViewPager.setOnPageChangeListener(new ViewPager.SimpleOnPageChangeListener() {
#Override
public void onPageSelected(int position) {
actionBar.setSelectedNavigationItem(position);
}
});
// For each of the sections in the app, add a tab to the action bar.
for (int i = 0; i < mSectionsPagerAdapter.getCount(); i++) {
// Create a tab with text corresponding to the page title defined by
// the adapter. Also specify this Activity object, which implements
// the TabListener interface, as the callback (listener) for when
// this tab is selected.
actionBar.addTab(
actionBar.newTab()
.setText(mSectionsPagerAdapter.getPageTitle(i))
.setTabListener(this));
}
}
#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_ccs, 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);
}
#Override
public void onTabSelected(ActionBar.Tab tab, FragmentTransaction fragmentTransaction) {
// When the given tab is selected, switch to the corresponding page in
// the ViewPager.
mViewPager.setCurrentItem(tab.getPosition());
}
#Override
public void onTabUnselected(ActionBar.Tab tab, FragmentTransaction fragmentTransaction) {
}
#Override
public void onTabReselected(ActionBar.Tab tab, FragmentTransaction fragmentTransaction) {
}
/**
* A {#link FragmentPagerAdapter} that returns a fragment corresponding to
* one of the sections/tabs/pages.
*/
public class SectionsPagerAdapter extends FragmentPagerAdapter {
public SectionsPagerAdapter(FragmentManager fm) {
super(fm);
}
#Override
public Fragment getItem(int position) {
// getItem is called to instantiate the fragment for the given page.
// Return a PlaceholderFragment (defined as a static inner class below).
return PlaceholderFragment.newInstance(position + 1);
}
#Override
public int getCount() {
// Show 3 total pages.
return 3;
}
#Override
public CharSequence getPageTitle(int position) {
Locale l = Locale.getDefault();
switch (position) {
case 0:
return getString(R.string.title_section1).toUpperCase(l);
case 1:
return getString(R.string.title_section2).toUpperCase(l);
case 2:
return getString(R.string.title_section3).toUpperCase(l);
}
return null;
}
}
/**
* A placeholder fragment containing a simple view.
*/
public static class PlaceholderFragment extends Fragment {
/**
* The fragment argument representing the section number for this
* fragment.
*/
private static final String ARG_SECTION_NUMBER = "section_number";
/**
* Returns a new instance of this fragment for the given section
* number.
*/
public static PlaceholderFragment newInstance(int sectionNumber) {
PlaceholderFragment fragment = new PlaceholderFragment();
Bundle args = new Bundle();
args.putInt(ARG_SECTION_NUMBER, sectionNumber);
fragment.setArguments(args);
return fragment;
}
public PlaceholderFragment() {
}
#Override
public View onCreateView(LayoutInflater inflater, ViewGroup container,
Bundle savedInstanceState) {
View rootView = inflater.inflate(R.layout.fragment_ccs, container, false);
return rootView;
}
}
}
And a sample fragment:
<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.test.testproject.Blah$PlaceholderFragment">
<TextView android:id="#+id/section_label" android:layout_width="wrap_content"
android:layout_height="wrap_content" />
</RelativeLayout>

Set Home button on each fragment

My application uses fragments and swipes to navigate different pages. I want to have an image button on each fragment activity so that when pressed first activity should be available. How can I do this. I tried viewpager.setcurrentitem option but it is only available in main activity. and in fragment activity viewpager is not available. I know there is way to by using android default property of sethome button. But I want an image button in each fragment.
This is my main activity
public class MainActivity extends FragmentActivity implements
ActionBar.TabListener {
SectionsPagerAdapter mSectionsPagerAdapter;
ViewPager mViewPager;
#Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
// Set up the action bar.
final ActionBar actionBar = getActionBar();
actionBar.setNavigationMode(ActionBar.NAVIGATION_MODE_TABS);
// Create the adapter that will return a fragment for each of the three
// primary sections of the app.
mSectionsPagerAdapter = new SectionsPagerAdapter(
getSupportFragmentManager());
// Set up the ViewPager with the sections adapter.
mViewPager = (ViewPager) findViewById(R.id.pager);
mViewPager.setAdapter(mSectionsPagerAdapter);
// When swiping between different sections, select the corresponding
// tab. We can also use ActionBar.Tab#select() to do this if we have
// a reference to the Tab.
mViewPager.setOnPageChangeListener(new ViewPager.SimpleOnPageChangeListener() {
#Override
public void onPageSelected(int position) {
actionBar.setSelectedNavigationItem(position);
}
});
Tab tab = actionBar.newTab().setIcon(R.drawable.prf).setText(getString(R.string.title_section1)).setTabListener(this);
actionBar.addTab(tab, true);
tab = actionBar.newTab().setIcon(R.drawable.pack).setText(getString(R.string.title_section2)).setIcon(R.drawable.pack).setTabListener(this);
actionBar.addTab(tab);
tab = actionBar.newTab().setIcon(R.drawable.call).setText(getString(R.string.title_section3)).setTabListener(this);
actionBar.addTab(tab);
tab = actionBar.newTab().setIcon(R.drawable.prom).setText(getString(R.string.title_section4)).setTabListener(this);
actionBar.addTab(tab);
tab = actionBar.newTab().setIcon(R.drawable.infoin).setText(getString(R.string.title_section5)).setTabListener(this);
actionBar.addTab(tab);
}
#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;
}
#Override
public void onTabSelected(ActionBar.Tab tab,FragmentTransaction fragmentTransaction) {
// When the given tab is selected, switch to the corresponding page in
// the ViewPager.
mViewPager.setCurrentItem(tab.getPosition());
}
#Override
public void onTabUnselected(ActionBar.Tab tab,FragmentTransaction fragmentTransaction) {
}
#Override
public void onTabReselected(ActionBar.Tab tab,FragmentTransaction fragmentTransaction) {
}
/**
* A {#link FragmentPagerAdapter} that returns a fragment corresponding to
* one of the sections/tabs/pages.
*/
public class SectionsPagerAdapter extends FragmentPagerAdapter {
public SectionsPagerAdapter(FragmentManager fm) {
super(fm);
}
#Override
public Fragment getItem(int position) {
switch (position) {
case 0 :
return new Home();
case 1:
return new info();
case 2:
return new Plan();
}
return null;
}
#Override
public int getCount() {
// Show 3 total pages.
return 3;
}
}

Use callback mechanism through Interface and send message back to Activity of what you want to do on click of ImageButton. Same mechanism is good for fragments communication with each other.

How to do Up navigation using ActionBar's tabs and Fragment?

I'm using the ActionBar and tab navigation with Fragments.
Each tab contain a Fragment FragmentX with a ListView, and when clicking on an item of a list FragmentX is replaced by another Fragment FragmentY with the detail of the item.
How can I set the Up button of the ActionBar to load FragmentX when I'm in FragmentY?
The doc shows that the navigation should be done between Activities, but the ActionBar's navigation tabs allow to navigate between Fragments, not Activities.
What am I missing?
public class MainActivity extends FragmentActivity implements
ActionBar.TabListener {
/**
* The {#link android.support.v4.view.PagerAdapter} that will provide
* fragments for each of the sections. We use a
* {#link android.support.v4.app.FragmentPagerAdapter} derivative, which
* will keep every loaded fragment in memory. If this becomes too memory
* intensive, it may be best to switch to a
* {#link android.support.v4.app.FragmentStatePagerAdapter}.
*/
SectionsPagerAdapter mSectionsPagerAdapter;
/**
* The {#link ViewPager} that will host the section contents.
*/
ViewPager mViewPager;
#Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
// Set up the action bar.
final ActionBar actionBar = getActionBar();
actionBar.setNavigationMode(ActionBar.NAVIGATION_MODE_TABS);
// Create the adapter that will return a fragment for each of the three
// primary sections of the app.
mSectionsPagerAdapter = new SectionsPagerAdapter(
getSupportFragmentManager());
// Set up the ViewPager with the sections adapter.
mViewPager = (ViewPager) findViewById(R.id.pager);
mViewPager.setAdapter(mSectionsPagerAdapter);
// When swiping between different sections, select the corresponding
// tab. We can also use ActionBar.Tab#select() to do this if we have
// a reference to the Tab.
mViewPager
.setOnPageChangeListener(new ViewPager.SimpleOnPageChangeListener() {
#Override
public void onPageSelected(int position) {
actionBar.setSelectedNavigationItem(position);
}
});
// For each of the sections in the app, add a tab to the action bar.
for (int i = 0; i < mSectionsPagerAdapter.getCount(); i++) {
// Create a tab with text corresponding to the page title defined by
// the adapter. Also specify this Activity object, which implements
// the TabListener interface, as the callback (listener) for when
// this tab is selected.
LinearLayout view = (LinearLayout) getLayoutInflater().inflate(R.layout.tab, null);
ImageView icon = (ImageView) view.findViewById(R.id.icon);
icon.setImageResource(tabIconList[i]);
TextView title = (TextView) view.findViewById(R.id.title);
title.setText(tabTitleList[i]);
actionBar.addTab(actionBar.newTab()
.setCustomView(view)
.setTabListener(this));
}
}
#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;
}
#Override
public void onTabSelected(ActionBar.Tab tab,
FragmentTransaction fragmentTransaction) {
// When the given tab is selected, switch to the corresponding page in
// the ViewPager.
mViewPager.setCurrentItem(tab.getPosition());
}
#Override
public void onTabUnselected(ActionBar.Tab tab,
FragmentTransaction fragmentTransaction) {
}
#Override
public void onTabReselected(ActionBar.Tab tab,
FragmentTransaction fragmentTransaction) {
}
/**
* A {#link FragmentPagerAdapter} that returns a fragment corresponding to
* one of the sections/tabs/pages.
*/
public class SectionsPagerAdapter extends FragmentPagerAdapter {
public SectionsPagerAdapter(FragmentManager fm) {
super(fm);
}
#Override
public Fragment getItem(int position) {
// getItem is called to instantiate the fragment for the given page.
// Return a DummySectionFragment (defined as a static inner class
// below) with the page number as its lone argument.
Fragment fragment = null;
switch(position){
case 0:
fragment = new MyListFragment1();
break;
case 1:
fragment = new MyListFragment2();
break;
case 2:
fragment = new MyListFragment3();
break;
default: fragment = new MyListFragment1();
}
return fragment;
}
#Override
public int getCount() {
// Show 3 total pages.
return 3;
}
#Override
public CharSequence getPageTitle(int position) {
Locale l = Locale.getDefault();
switch (position) {
case 0:
return getString(R.string.title1).toUpperCase(l);
case 1:
return getString(R.string.title2).toUpperCase(l);
case 2:
return getString(R.string.title3).toUpperCase(l);
}
return null;
}
}
}

Active up navigation when you load FragmentY.
Then intercept up navigation on onOptionsItemSelected, just popup the backstack and launch your FragmentX.
I've done a rapid search on SO and i found this, wich inspired me.

I didn't use the ActionBar in the end. Too many constraints (I had another issue and I wanted to add a View above the ActionBar, which seemed complicated).
It was much simpler doing my own layout from scratch.

Action bar menu for each tab fragment with ActionBarSherlock

I am having some trouble getting an options menu working for each fragments of my activity using ActionBarSherlock API.
I have placed setHasOptionsMenu(true) inside my onCreateView, but onCreateOptionsMenu inside fragments is never called.
My Main Activity
public class EvolutionActivity extends TabActivity {
#Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
}
#Override
protected void onResume() {
// TODO Auto-generated method stub
super.onResume();
addTab(getResources().getString(R.string.fragment_measurement_title), TabFragmentMeasurement.class, null);
addTab(getResources().getString(R.string.fragment_workout_title) , TabFragmentWorkout.class, null);
addTab(getResources().getString(R.string.fragment_exercise_title), TabFragmentExercise.class, null);
}
}
Tab activity abstract class TabActivity.class
public abstract class TabActivity extends SherlockFragmentActivity {
private ViewPager mViewPager;
private TabsAdapter adapter;
#Override
public void onCreate(Bundle savedInstanceState) {
/*
* Create the ViewPager and our custom adapter
*/
mViewPager = new ViewPager(this);
adapter = new TabsAdapter( this, mViewPager );
mViewPager.setAdapter( adapter );
mViewPager.setOnPageChangeListener( adapter );
/*
* We need to provide an ID for the ViewPager, otherwise we will get an exception like:
*
* java.lang.IllegalArgumentException: No view found for id 0xffffffff for fragment TabFragmentMeasurement{40de5b90 #0 id=0xffffffff android:switcher:-1:0}
* at android.support.v4.app.FragmentManagerImpl.moveToState(FragmentManager.java:864)
*
* The ID 0x7F04FFF0 is large enough to probably never be used for anything else
*/
mViewPager.setId( 0x7F04FFF0 );
super.onCreate(savedInstanceState);
/*
* Set the ViewPager as the content view
*/
setContentView(mViewPager);
}
#Override
public boolean onOptionsItemSelected(MenuItem item) {
// TODO Auto-generated method stub
switch (item.getItemId()) {
case R.id.action_settings:{
Intent intent = new Intent(this, ParametersActivity.class);
startActivity(intent);
break;
}
}
return super.onOptionsItemSelected(item);
}
/**
* Add a tab with a backing Fragment to the action bar
* #param titleRes A string resource pointing to the title for the tab
* #param fragmentClass The class of the Fragment to instantiate for this tab
* #param args An optional Bundle to pass along to the Fragment (may be null)
*/
protected void addTab(int titleRes, Class fragmentClass, Bundle args ) {
adapter.addTab( getString( titleRes ), fragmentClass, args );
}
/**
* Add a tab with a backing Fragment to the action bar
* #param titleRes A string to be used as the title for the tab
* #param fragmentClass The class of the Fragment to instantiate for this tab
* #param args An optional Bundle to pass along to the Fragment (may be null)
*/
protected void addTab(CharSequence title, Class fragmentClass, Bundle args ) {
adapter.addTab( title, fragmentClass, args );
}
My fragment TabFragmentMeasurement.class
public class TabFragmentMeasurement extends Fragment {
....... // Class' attributes
#Override
public View onCreateView(LayoutInflater inflater, ViewGroup container,
Bundle savedInstanceState) {
setHasOptionsMenu(true);
TextView txt = new TextView( inflater.getContext() );
....... // Change TextView's attributes
return txt;
}
#Override
public void onCreateOptionsMenu(Menu menu,MenuInflater inflater)
{
inflater.inflate(R.menu.measurement, menu);
super.onCreateOptionsMenu(menu,inflater);
}
#Override
public boolean onOptionsItemSelected(MenuItem item) {
// Handle presses on the action bar items
switch (item.getItemId()) {
case R.id.item_add_measurement:{
// Add a measurement
}
default:
return super.onOptionsItemSelected(item);
}
}
}
XML menu file measurement.xml
<menu xmlns:android="http://schemas.android.com/apk/res/android" >
<item
android:id="#+id/action_settings"
android:orderInCategory="100"
android:showAsAction="never"
android:title="#string/action_settings"/>
<item
android:id="#+id/item_add_measurement"
android:icon="#android:drawable/ic_menu_add"
android:orderInCategory="1"
android:showAsAction="ifRoom"
android:title="#string/item_add_measurement"/>
</menu>

Why don't you extends SherlockFragment in the fragment classes??
Keep in mind that every context you pass like "this" should be followed by :
this.getSherlockActivity().