StackOverflow2013

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copied!<p>You can use onPrepareOptionsMen, if you use tabs or viewpager it can allow you to change the buttons according to the tab you are in (just had a switch case): </p> <pre><code>@Override public boolean onPrepareOptionsMenu(Menu menu) { menu.clear(); switch ((int) _viewPager.getCurrentItem()) { case 0: getSupportMenuInflater().inflate(R.menu.empty_menu, menu); break; case 1: getSupportMenuInflater().inflate(R.menu.your_menu, menu); break; case 2: getSupportMenuInflater().inflate(R.menu.empty_menu, menu); break; } return super.onPrepareOptionsMenu(menu); } </code></pre> <p>Or judte one simple menu </p> <pre><code>@Override public boolean onPrepareOptionsMenu(Menu menu) { menu.clear(); getSupportMenuInflater().inflate(R.menu.your_menu, menu); return true; } </code></pre> <p>You only need to put your items in a menu xml file </p> <p>*<em>To add tabs : *</em></p> <pre><code>public class MainActivity extends SherlockFragmentActivity { private static final String TAG = MainActivity.class.getSimpleName(); private ViewPager _viewPager; private ActionBar _actionBar; private Tab _Tab; private TabsAdapter _tabAdapter; private int _viewPagerOffScreenLimit = 10; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); _viewPager = (ViewPager) findViewById(R.id.viewpager); _viewPager.setOffscreenPageLimit(_viewPagerOffScreenLimit); _tabAdapter = new TabsAdapter(this, _viewPager); _actionBar = getSupportActionBar(); _actionBar.setTitle(getResources().getString(R.string.app_name)); _actionBar.setNavigationMode(ActionBar.NAVIGATION_MODE_TABS); _actionBar.setHomeButtonEnabled(true); _tabAdapter.addTab(_actionBar.newTab().setCustomView(getTabIndicator(getString(R.string.tab), R.drawable.ic_launcher)), FragmentTab.class, null); } private View getTabIndicator(String text, int drawable) { View indicator = _inflater.inflate(R.layout.tabs, null); ((TextView) indicator.findViewById(R.id.tab_title)).setText(text); ((ImageView) indicator.findViewById(R.id.tab_icon)).setImageResource(drawable); return indicator; } public static class TabsAdapter extends FragmentPagerAdapter implements ActionBar.TabListener, ViewPager.OnPageChangeListener { private final Context mContext; private final ActionBar mActionBar; private final ViewPager mViewPager; private final ArrayList<TabInfo> mTabs = new ArrayList<TabInfo>(); static final class TabInfo { private final Class<?> clss; private final Bundle args; TabInfo(Class<?> _class, Bundle _args) { clss = _class; args = _args; } } public TabsAdapter(SherlockFragmentActivity activity, ViewPager pager) { super(activity.getSupportFragmentManager()); mContext = activity; mActionBar = activity.getSupportActionBar(); mViewPager = pager; mViewPager.setAdapter(this); mViewPager.setOnPageChangeListener(this); } public void addTab(ActionBar.Tab tab, Class<?> clss, Bundle args) { TabInfo info = new TabInfo(clss, args); tab.setTag(info); tab.setTabListener(this); mTabs.add(info); mActionBar.addTab(tab); notifyDataSetChanged(); } @Override public int getCount() { return mTabs.size(); } @Override public Fragment getItem(int position) { TabInfo info = mTabs.get(position); return Fragment.instantiate(mContext, info.clss.getName(), info.args); } public void onPageSelected(int position) { mActionBar.setSelectedNavigationItem(position); ((SherlockFragmentActivity) mContext).supportInvalidateOptionsMenu(); } public void onTabSelected(Tab tab, FragmentTransaction ft) { Object tag = tab.getTag(); for (int i = 0; i < mTabs.size(); i++) { if (mTabs.get(i) == tag) { mViewPager.setCurrentItem(i); } } } } } </code></pre>

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