Example usage for android.app FragmentManager findFragmentByTag

Introduction

In this page you can find the example usage for android.app FragmentManager findFragmentByTag.

Prototype

public abstract Fragment findFragmentByTag(String tag);

Source Link

Document

Finds a fragment that was identified by the given tag either when inflated from XML or as supplied when added in a transaction.

Usage

From source file:Main.java

public static boolean isFragmentShowing(FragmentManager fm, String tag) {
    Fragment f = fm.findFragmentByTag(tag);
    if (f != null && f.isVisible()) {
        return true;
    } else {/*w  w w .  j a v  a  2s.  c om*/
        return false;
    }
}

From source file:Main.java

/**
 * Get a fragment in a {@link ViewPager}s adapter.
 *
 * @param manager//w ww.j ava2s  .  c  o  m
 *     the support fragment manager {@link android.app.Activity#getFragmentManager()}
 * @param pager
 *     the {@link ViewPager} holding the {@link android.app.Fragment}
 * @param position
 *     the position in the {@link ViewPager} e.g. {@link ViewPager#getCurrentItem()}
 * @param <fragment>
 *     Destination cast class type.
 * @return the fragment at this position in the {@link ViewPager}'s adapter
 */
@SuppressWarnings("unchecked")
public static <fragment extends android.app.Fragment> fragment findFragmentByPosition(
        android.app.FragmentManager manager, ViewPager pager, int position) {
    return (fragment) manager
            .findFragmentByTag(String.format(Locale.US, FRAGMENT_ADAPTER_ID, pager.getId(), position));
}

From source file:Main.java

public static void showDialogFragment(final DialogFragment dialog, final String tag,
        final FragmentManager fragmentManager) {
    final FragmentTransaction ft = fragmentManager.beginTransaction();
    final Fragment prev = fragmentManager.findFragmentByTag(tag);
    if (prev != null) {
        ft.remove(prev);/*ww w .j av  a  2  s  .  c om*/
    }
    ft.add(dialog, tag);
    ft.commitAllowingStateLoss();
}

From source file:Main.java

@SuppressWarnings("unchecked")
public static <T extends Fragment> T attach(Activity activity, int containerId, Class<T> fragmentType,
        String tag) {/*  ww w  . j  a v a2  s  .  c o  m*/
    if (activity == null) {
        throw new IllegalArgumentException("activity is null");
    }
    if (fragmentType == null) {
        throw new IllegalArgumentException("fragmentType is null");
    }
    if (tag == null) {
        throw new IllegalArgumentException("tag is null");
    }

    T result;

    FragmentManager manager = activity.getFragmentManager();
    Fragment fragment = manager.findFragmentByTag(tag);

    if (fragment == null) {
        try {
            result = fragmentType.newInstance();
        } catch (InstantiationException e) {
            throw new IllegalArgumentException(
                    "fragmentType cannot be instantiated (default constructor is not visible)", e);
        } catch (IllegalAccessException e) {
            throw new IllegalArgumentException(
                    "fragmentType cannot be instantiated (instance could not be created)", e);
        }

        manager.beginTransaction().add(containerId, result, tag).commit();
    } else {
        if (!fragmentType.isInstance(fragment)) {
            throw new IllegalArgumentException("Different fragmentType for tag");
        }

        result = (T) fragment;
    }

    return result;
}

From source file:biz.wiz.android.wallet.ui.MaybeMaintenanceFragment.java

public static void add(final FragmentManager fm) {
    Fragment fragment = fm.findFragmentByTag(FRAGMENT_TAG);
    if (fragment == null) {
        fragment = new MaybeMaintenanceFragment();
        fm.beginTransaction().add(fragment, FRAGMENT_TAG).commit();
    }// w ww.jav a 2  s  .c o  m
}

From source file:com.github.chenxiaolong.dualbootpatcher.settings.RomSettingsEventCollector.java

public static RomSettingsEventCollector getInstance(FragmentManager fm) {
    RomSettingsEventCollector rsec = (RomSettingsEventCollector) fm.findFragmentByTag(TAG);
    if (rsec == null) {
        rsec = new RomSettingsEventCollector();
        fm.beginTransaction().add(rsec, RomSettingsEventCollector.TAG).commit();
    }//  w ww  .j  a va2 s  .co m
    return rsec;
}

From source file:fr.simon.marquis.preferencesmanager.ui.RestoreDialogFragment.java

private static RestoreDialogFragment find(android.app.FragmentManager fm) {
    return (RestoreDialogFragment) fm.findFragmentByTag(TAG);
}

From source file:Main.java

public static void replaceFragmentToLayout(final int containerId, final FragmentManager fragmentManager,
        final Fragment fragment, final String tag) {
    final FragmentTransaction ft = fragmentManager.beginTransaction();
    final Fragment previousFragment = fragmentManager.findFragmentByTag(tag);
    if (previousFragment != null) {
        ft.remove(previousFragment);/*from  w ww.  j a v  a  2  s. c o m*/
    }
    ft.add(containerId, fragment, tag);
    ft.commit();
}

From source file:Main.java

public static void removeDialogFragment(final String tag, final FragmentManager fragmentManager) {
    if (fragmentManager == null) {
        return;/*from www.j  a v  a 2 s . c  o m*/
    }
    final FragmentTransaction ft = fragmentManager.beginTransaction();
    final Fragment prev = fragmentManager.findFragmentByTag(tag);
    if (prev != null && prev.isAdded()) {
        ft.remove(prev);
    }
    ft.commitAllowingStateLoss();
}

From source file:com.appdynamics.demo.gasp.twitter.TwitterAuthentication.java

/**
 * Request a Twitter API v1.1 OAuth Token
 * Uses TwitterAuthenticationFragment/*from   w w w  .j a  v  a 2s . co m*/
 */
public static void requestTwitterOAuthToken(FragmentActivity activity) {

    FragmentManager fm = activity.getFragmentManager();
    FragmentTransaction ft = fm.beginTransaction();
    TwitterAuthenticationFragment responder = (TwitterAuthenticationFragment) fm
            .findFragmentByTag("TwitterAuthentication");
    if (responder == null) {
        responder = new TwitterAuthenticationFragment();

        ft.add(responder, "TwitterAuthentication");
    }
    ft.commit();
}