Back to project page GAMr.
The source code is released under:
GNU General Public License
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package com.gamr.gamr; /*w ww.j a v a2 s.co m*/ import android.app.ActionBar; import android.app.Activity; import android.app.Fragment; import android.app.FragmentTransaction; /** * Created by beni on 1/10/15. */ public class TabListener<T extends Fragment> implements ActionBar.TabListener { private Fragment mFragment; private final Activity mActivity; private final String mTag; private final Class<T> mClass; /** Constructor used each time a new tab is created. * @param activity The host Activity, used to instantiate the fragment * @param tag The identifier tag for the fragment * @param clz The fragment's Class, used to instantiate the fragment */ public TabListener(Activity activity, String tag, Class<T> clz) { mActivity = activity; mTag = tag; mClass = clz; } @Override public void onTabSelected(ActionBar.Tab tab, android.app.FragmentTransaction ft) { // Check if the fragment is already initialized if (mFragment == null) { // If not, instantiate and add it to the activity mFragment = Fragment.instantiate(mActivity, mClass.getName()); ft.add(android.R.id.content, mFragment, mTag); } else { // If it exists, simply attach it in order to show it ft.attach(mFragment); } } @Override public void onTabUnselected(ActionBar.Tab tab, FragmentTransaction ft) { if (mFragment != null) { // Detach the fragment, because another one is being attached ft.detach(mFragment); } } @Override public void onTabReselected(ActionBar.Tab tab, FragmentTransaction ft) { // User selected the already selected tab. Do nothing. } }