Obtains a FragmentStackManagerFragment for the given container via the FragmentManager in the given activity. - Android User Interface

Android examples for User Interface:Fragment

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Description

Obtains a FragmentStackManagerFragment for the given container via the FragmentManager in the given activity.

Demo Code


import android.support.v4.app.FragmentActivity;
import android.support.v4.app.FragmentManager;

public class Main{
    /**/*  ww  w .j  a  v  a  2  s.  c  o m*/
     * Obtains a {@link FragmentStackManagerFragment} for the given container
     * via the {@link FragmentManager} in the given activity.
     * This will obtain any previous manager that still exists or create one
     * if one can't be found.
     * @param activity The {@link FragmentActivity} whose {@link FragmentManager}
     * should be used
     * @param containerID The resource ID of the container the manager will be
     * bound to.
     * @return The manager bound to the given container
     */
    public static FragmentStackManagerFragment getFragmentStackManager(
            FragmentActivity activity, int containerID) {
        return getFragmentStackManager(
                activity.getSupportFragmentManager(), containerID);
    }
    public static FragmentStackManagerFragment getFragmentStackManager(
            FragmentManager manager, int containerID) {
        final String tag = getFragmentStackManagerTag(containerID);

        // Get any FragmentStackManager if one exists
        FragmentStackManagerFragment stackManager = (FragmentStackManagerFragment) manager
                .findFragmentByTag(tag);

        // Create and store one if it does not
        if (stackManager == null) {
            stackManager = FragmentStackManagerFragment
                    .newInstance(containerID);

            manager.beginTransaction().add(stackManager, tag).commit();
        }

        return stackManager;
    }
    private static String getFragmentStackManagerTag(int containerID) {
        return String.format("StackManager%d", containerID);
    }
}

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