Example usage for android.support.v4.app FragmentTransaction isEmpty

Introduction

In this page you can find the example usage for android.support.v4.app FragmentTransaction isEmpty.

Prototype

public abstract boolean isEmpty();

Source Link

Usage

From source file:org.peterbaldwin.vlcremote.util.FragmentUtil.java

public void removeFragmentsByTag(String... tags) {
    FragmentTransaction ft = fm.beginTransaction();
    for (String tag : tags) {
        Fragment f = fm.findFragmentByTag(tag);
        if (f != null) {
            ft.remove(f);//w w  w .j  a v a2 s  . c  om
        }
    }
    if (!ft.isEmpty()) {
        ft.commit();
        fm.executePendingTransactions();
    }
}

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From source file:com.voyageonline.threepane.UIControllerBase.java

/**
 * Commit a {@link FragmentTransaction}.
 *///from  ww  w .  j av a 2  s .  c om
protected void commitFragmentTransaction(FragmentTransaction ft) {
    if (!ft.isEmpty()) {
        // NB: there should be no cases in which a transaction is committed after
        // onSaveInstanceState. Unfortunately, the "state loss" check also happens when in
        // LoaderCallbacks.onLoadFinished, and we wish to perform transactions there. The check
        // by the framework is conservative and prevents cases where there are transactions
        // affecting Loader lifecycles - but we have no such cases.
        // TODO: use asynchronous callbacks from loaders to avoid this implicit dependency
        ft.commitAllowingStateLoss();
        mFragmentManager.executePendingTransactions();
    }
}

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From source file:org.dmfs.android.microfragments.HostFragment.java

private void executeTransition(@NonNull Activity activity, @NonNull FragmentTransition fragmentTransition) {

    if (!fragmentTransition.timestamp().isAfter(mLastTransactionTimestamp)) {
        // ignore outdated transition
        return;//from w w  w  .ja  v a2 s  .c o m
    }
    mLastTransactionTimestamp = fragmentTransition.timestamp();

    MicroFragment microFragment = new FragmentEnvironment<>(
            mFragmentManager.findFragmentById(R.id.microfragments_host)).microFragment();
    MicroFragmentHost host = new BasicMicroFragmentHost(mOperationDoveCote.cage());
    fragmentTransition.prepare(activity, mFragmentManager, host, microFragment);
    FragmentTransaction fragmentTransaction = fragmentTransition.updateTransaction(activity,
            mFragmentManager.beginTransaction(), mFragmentManager, host, microFragment);
    if (!fragmentTransaction.isEmpty()) {
        fragmentTransaction.commit();
    }
    mFragmentManager.executePendingTransactions();
    fragmentTransition.cleanup(activity, mFragmentManager, host, microFragment);

    // post an update, in case the backstack has not been changed by the transition we still have to notify the listener
    postUpdate(new FragmentEnvironment<>(currentFragment()).microFragment());

    // close keyboard if necessary
    if (activity.getCurrentFocus() == null) {
        // no view is focused, close the keyboard
        InputMethodManager inputManager = (InputMethodManager) activity
                .getSystemService(Context.INPUT_METHOD_SERVICE);
        inputManager.hideSoftInputFromWindow(activity.findViewById(android.R.id.content).getWindowToken(), 0);
    }
}

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From source file:org.solovyev.android.sherlock.ActionBarNavigationFragmentListener.java

@Override
public boolean onNavigationItemSelected(int itemPosition, long itemId) {
    final FragmentManager fragmentManager = this.activity.getSupportFragmentManager();

    final FragmentTransaction ft = fragmentManager.beginTransaction();
    try {//  w  w  w . j a v  a 2s.  co  m
        if (selected != itemPosition) {
            if (selected >= 0 && selected < items.size()) {
                items.get(selected).onUnselected(ft);
            }

            if (itemPosition < items.size()) {
                items.get(itemPosition).onSelected(ft);
                selected = itemPosition;
            }
        }
    } finally {
        if (ft != null && !ft.isEmpty()) {
            ft.commit();
        }
    }

    return true;
}

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From source file:com.kncwallet.wallet.ui.AddressBookActivity.java

@Override
protected void onCreate(final Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);

    setContentView(R.layout.address_book_content);

    final ActionBar actionBar = getSupportActionBar();
    actionBar.setDisplayHomeAsUpEnabled(true);
    actionBar.setIcon(R.drawable.ic_knclogo);
    final FragmentManager fragmentManager = getSupportFragmentManager();

    walletAddressesFragment = (WalletAddressesFragment) fragmentManager.findFragmentByTag(TAG_LEFT);
    sendingAddressesFragment = (SendingAddressesFragment) fragmentManager.findFragmentByTag(TAG_RIGHT);

    final FragmentTransaction removal = fragmentManager.beginTransaction();

    if (walletAddressesFragment == null)
        walletAddressesFragment = new WalletAddressesFragment();
    else/*  w  w  w. j  a  va2s  . c  o m*/
        removal.remove(walletAddressesFragment);

    if (sendingAddressesFragment == null)
        sendingAddressesFragment = new SendingAddressesFragment();
    else
        removal.remove(sendingAddressesFragment);

    if (!removal.isEmpty()) {
        removal.commit();
        fragmentManager.executePendingTransactions();
    }

    final ViewPager pager = (ViewPager) findViewById(R.id.address_book_pager);
    if (pager != null) {
        pager.setAdapter(
                new TwoFragmentAdapter(fragmentManager, walletAddressesFragment, sendingAddressesFragment));

        final ViewPagerTabs pagerTabs = (ViewPagerTabs) findViewById(R.id.address_book_pager_tabs);
        pagerTabs.addTabLabels(R.string.address_book_list_receiving_title,
                R.string.address_book_list_sending_title);

        pager.setOnPageChangeListener(pagerTabs);
        final int position = getIntent().getBooleanExtra(EXTRA_SENDING, true) ? 1 : 0;
        pager.setCurrentItem(position);
        pager.setPageMargin(2);
        pager.setPageMarginDrawable(R.color.bg_less_bright);

        pagerTabs.onPageSelected(position);
        pagerTabs.onPageScrolled(position, 0, 0);
    } else {
        fragmentManager.beginTransaction()
                .add(R.id.wallet_addresses_fragment, walletAddressesFragment, TAG_LEFT)
                .add(R.id.sending_addresses_fragment, sendingAddressesFragment, TAG_RIGHT).commit();
    }

    updateFragments();
}

---

From source file:com.mybitcoin.wallet.ui.AddressBookActivity.java

@Override
protected void onCreate(final Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);

    setContentView(R.layout.address_book_content);

    //      final ActionBar actionBar = getSupportActionBar();
    //      actionBar.setDisplayHomeAsUpEnabled(true);

    final FragmentManager fragmentManager = getSupportFragmentManager();

    walletAddressesFragment = (WalletAddressesFragment) fragmentManager.findFragmentByTag(TAG_LEFT);
    sendingAddressesFragment = (SendingAddressesFragment) fragmentManager.findFragmentByTag(TAG_RIGHT);

    final FragmentTransaction removal = fragmentManager.beginTransaction();

    if (walletAddressesFragment == null)
        walletAddressesFragment = new WalletAddressesFragment();
    else/*from   w w w .j  a v a  2  s . co  m*/
        removal.remove(walletAddressesFragment);

    if (sendingAddressesFragment == null)
        sendingAddressesFragment = new SendingAddressesFragment();
    else
        removal.remove(sendingAddressesFragment);

    if (!removal.isEmpty()) {
        removal.commit();
        fragmentManager.executePendingTransactions();
    }

    final ViewPager pager = (ViewPager) findViewById(R.id.address_book_pager);
    if (pager != null) {
        pager.setAdapter(
                new TwoFragmentAdapter(fragmentManager, walletAddressesFragment, sendingAddressesFragment));

        final ViewPagerTabs pagerTabs = (ViewPagerTabs) findViewById(R.id.address_book_pager_tabs);
        pagerTabs.addTabLabels(R.string.address_book_list_receiving_title,
                R.string.address_book_list_sending_title);

        pager.setOnPageChangeListener(pagerTabs);
        final int position = getIntent().getBooleanExtra(EXTRA_SENDING, true) ? 1 : 0;
        pager.setCurrentItem(position);
        pager.setPageMargin(2);
        pager.setPageMarginDrawable(R.color.bg_less_bright);

        pagerTabs.onPageSelected(position);
        pagerTabs.onPageScrolled(position, 0, 0);
    } else {
        fragmentManager.beginTransaction()
                .add(R.id.wallet_addresses_fragment, walletAddressesFragment, TAG_LEFT)
                .add(R.id.sending_addresses_fragment, sendingAddressesFragment, TAG_RIGHT).commit();
    }

    updateFragments();
}

---

From source file:com.bushstar.htmlcoin_android_wallet.ui.AddressBookActivity.java

@Override
protected void onCreate(final Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);

    setContentView(R.layout.address_book_content);

    final ActionBar actionBar = getSupportActionBar();
    actionBar.setDisplayHomeAsUpEnabled(true);

    final FragmentManager fragmentManager = getSupportFragmentManager();

    walletAddressesFragment = (WalletAddressesFragment) fragmentManager.findFragmentByTag(TAG_LEFT);
    sendingAddressesFragment = (SendingAddressesFragment) fragmentManager.findFragmentByTag(TAG_RIGHT);

    final FragmentTransaction removal = fragmentManager.beginTransaction();

    if (walletAddressesFragment == null)
        walletAddressesFragment = new WalletAddressesFragment();
    else/*from   w w  w  .ja v  a  2  s  .c o m*/
        removal.remove(walletAddressesFragment);

    if (sendingAddressesFragment == null)
        sendingAddressesFragment = new SendingAddressesFragment();
    else
        removal.remove(sendingAddressesFragment);

    if (!removal.isEmpty()) {
        removal.commit();
        fragmentManager.executePendingTransactions();
    }

    final ViewPager pager = (ViewPager) findViewById(R.id.address_book_pager);
    if (pager != null) {
        pager.setAdapter(
                new TwoFragmentAdapter(fragmentManager, walletAddressesFragment, sendingAddressesFragment));

        final ViewPagerTabs pagerTabs = (ViewPagerTabs) findViewById(R.id.address_book_pager_tabs);
        pagerTabs.addTabLabels(R.string.address_book_list_receiving_title,
                R.string.address_book_list_sending_title);

        pager.setOnPageChangeListener(pagerTabs);
        final int position = getIntent().getBooleanExtra(EXTRA_SENDING, true) ? 1 : 0;
        pager.setCurrentItem(position);
        pager.setPageMargin(2);
        pager.setPageMarginDrawable(R.color.bg_less_bright);

        pagerTabs.onPageSelected(position);
        pagerTabs.onPageScrolled(position, 0, 0);
    } else {
        fragmentManager.beginTransaction()
                .add(R.id.wallet_addresses_fragment, walletAddressesFragment, TAG_LEFT)
                .add(R.id.sending_addresses_fragment, sendingAddressesFragment, TAG_RIGHT).commit();
    }

    updateFragments();
}

---

From source file:cc.mintcoin.wallet.ui.AddressBookActivity.java

@Override
protected void onCreate(final Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);

    setContentView(R.layout.address_book_content);

    final ActionBar actionBar = getSupportActionBar();
    actionBar.setDisplayHomeAsUpEnabled(true);

    FragmentManager fragmentManager = getSupportFragmentManager();

    walletAddressesFragment = (WalletAddressesFragment) fragmentManager.findFragmentByTag(TAG_LEFT);
    sendingAddressesFragment = (SendingAddressesFragment) fragmentManager.findFragmentByTag(TAG_RIGHT);

    FragmentTransaction remove = fragmentManager.beginTransaction();
    if (walletAddressesFragment == null) {
        walletAddressesFragment = new WalletAddressesFragment();
    } else {/*from w  ww.j  a  v a  2 s.  c om*/
        remove.remove(walletAddressesFragment);
    }
    if (sendingAddressesFragment == null) {
        sendingAddressesFragment = new SendingAddressesFragment();
    } else {
        remove.remove(sendingAddressesFragment);
    }
    if (!remove.isEmpty()) {
        remove.commit();
        fragmentManager.executePendingTransactions();
    }

    final ViewPager pager = (ViewPager) findViewById(R.id.address_book_pager);
    if (pager != null) {
        pager.setAdapter(
                new TwoFragmentAdapter(fragmentManager, walletAddressesFragment, sendingAddressesFragment));

        final ViewPagerTabs pagerTabs = (ViewPagerTabs) findViewById(R.id.address_book_pager_tabs);
        pagerTabs.addTabLabels(R.string.address_book_list_receiving_title,
                R.string.address_book_list_sending_title);

        pager.setOnPageChangeListener(pagerTabs);
        final int position = getIntent().getBooleanExtra(EXTRA_SENDING, true) ? 1 : 0;
        pager.setCurrentItem(position);
        pager.setPageMargin(2);
        pager.setPageMarginDrawable(R.color.bg_less_bright);

        pagerTabs.onPageSelected(position);
        pagerTabs.onPageScrolled(position, 0, 0);
    } else {
        fragmentManager.beginTransaction()
                .add(R.id.wallet_addresses_fragment, walletAddressesFragment, TAG_LEFT)
                .add(R.id.sending_addresses_fragment, sendingAddressesFragment, TAG_RIGHT).commit();
    }

    updateFragments();
}

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From source file:org.dmfs.webcal.fragments.CalendarItemFragment.java

@Override
public View onCreateItemView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
    View returnView = inflater.inflate(R.layout.fragment_calendar_item, container, false);

    // TODO: don't put the progress indicator into the header view
    View progressView = inflater.inflate(R.layout.progress_indicator, null, false);

    mProgressBar = (ProgressBar) progressView.findViewById(android.R.id.progress);

    mListView = (ListView) returnView.findViewById(android.R.id.list);

    mListView.addHeaderView(progressView);
    mListView.setOnItemClickListener(this);
    mListView.setHeaderDividersEnabled(false);
    mListAdapter = new EventListAdapter(inflater.getContext(), null);
    mListView.setAdapter(mSectionAdapter = new SectionTitlesAdapter(inflater.getContext(), mListAdapter,
            new SectionIndexer() {

                @Override/* www.j a v a2 s . c  om*/
                public String getSectionTitle(int index) {
                    Time start = new Time(TimeZone.getDefault().getID());
                    start.set(index & 0x00ff, (index >> 8) & 0x00ff, (index >> 16) & 0x0ffff);

                    return DateUtils.formatDateTime(getActivity(), start.toMillis(true),
                            DateUtils.FORMAT_SHOW_DATE | DateUtils.FORMAT_SHOW_YEAR
                                    | DateUtils.FORMAT_SHOW_WEEKDAY | DateUtils.FORMAT_ABBREV_WEEKDAY);
                }

                @Override
                public int getSectionIndex(Object object) {
                    Cursor cursor = (Cursor) object;

                    Time start = new Time(
                            cursor.getString(cursor.getColumnIndex(WebCalReaderContract.Events.TIMZONE)));
                    start.set(cursor.getLong(cursor.getColumnIndex(WebCalReaderContract.Events.DTSTART)));
                    boolean allday = cursor
                            .getInt(cursor.getColumnIndex(WebCalReaderContract.Events.IS_ALLDAY)) == 1;
                    start.allDay = allday;

                    // we return an encoded date as index
                    return (start.year << 16) + (start.month << 8) + start.monthDay;

                }
            }, R.layout.events_preview_list_section_header));

    FragmentManager fm = getChildFragmentManager();
    FragmentTransaction ft = fm.beginTransaction();

    mTitleFragment = (CalendarTitleFragment) fm.findFragmentById(R.id.calendar_title_fragment_container);
    if (mTitleFragment == null) {
        mTitleFragment = CalendarTitleFragment.newInstance();
        ft.replace(R.id.calendar_title_fragment_container, mTitleFragment);
    }

    if (!ft.isEmpty()) {
        ft.commit();
    }

    LoaderManager lm = getLoaderManager();
    lm.initLoader(LOADER_CALENDAR_ITEM, null, this);
    lm.initLoader(LOADER_SUBSCRIBED_CALENDAR, null, this);
    lm.initLoader(LOADER_SUBSCRIPTION, null, this);

    // set this to true, so the menu is cleared automatically when leaving the fragment, otherwise the star icon will stay visible
    setHasOptionsMenu(true);

    return returnView;
}

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From source file:android.support.v7.app.ActionBarImplBase.java

@Override
public void selectTab(Tab tab) {
    if (getNavigationMode() != NAVIGATION_MODE_TABS) {
        mSavedTabPosition = tab != null ? tab.getPosition() : INVALID_POSITION;
        return;//w  w  w  . j av a  2  s. co m
    }

    final FragmentTransaction trans = mActivity.getSupportFragmentManager().beginTransaction()
            .disallowAddToBackStack();

    if (mSelectedTab == tab) {
        if (mSelectedTab != null) {
            mSelectedTab.getCallback().onTabReselected(mSelectedTab, trans);
            mTabScrollView.animateToTab(tab.getPosition());
        }
    } else {
        mTabScrollView.setTabSelected(tab != null ? tab.getPosition() : Tab.INVALID_POSITION);
        if (mSelectedTab != null) {
            mSelectedTab.getCallback().onTabUnselected(mSelectedTab, trans);
        }
        mSelectedTab = (TabImpl) tab;
        if (mSelectedTab != null) {
            mSelectedTab.getCallback().onTabSelected(mSelectedTab, trans);
        }
    }

    if (!trans.isEmpty()) {
        trans.commit();
    }
}

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