TabsAdapter.java

package com.basket.adapters;

import java.util.ArrayList;

import android.app.ActionBar;
import android.app.ActionBar.Tab;
import android.app.ActionBar.TabListener;
import android.app.Fragment;
import android.app.FragmentManager;
import android.app.FragmentTransaction;
import android.content.Context;
import android.os.Bundle;
import android.support.v13.app.FragmentPagerAdapter;
import android.support.v13.app.FragmentStatePagerAdapter;

import android.support.v4.app.FragmentActivity;

import android.support.v4.view.ViewPager;
import android.support.v4.view.ViewPager.OnPageChangeListener;
import android.util.Log;
import android.view.ViewGroup;

public class TabsAdapter extends FragmentStatePagerAdapter implements TabListener, OnPageChangeListener{
	private final Context mContext;
	private final ActionBar mActionBar;
	private final ViewPager mViewPager;
	private final ArrayList<TabInfo> mTabs = new ArrayList<TabInfo>();
	private final String TAG = "";
	
	static final class TabInfo{
		private final Class<?> clss;
		private final Bundle args;
		
		TabInfo(Class<?> _class, Bundle _args){
			clss = _class;
			args = _args;
		}
	}
	

	public TabsAdapter(FragmentActivity activity, ViewPager pager) {
		super(activity.getFragmentManager());
		mContext = activity;
		mActionBar = activity.getActionBar();
		mViewPager = pager;
		mViewPager.setAdapter(this);
		mViewPager.setOnPageChangeListener(this);
	}
	
	public void addTab(Tab tab, Class<?> clss, Bundle args){

		TabInfo info = new TabInfo(clss, args);
		tab.setTag(info);
		tab.setTabListener(this);
		mTabs.add(info);
		notifyDataSetChanged();
		mActionBar.addTab(tab);
		notifyDataSetChanged();
		
	}
	public void removeTab() {
	
	    mTabs.remove(mActionBar.getSelectedTab().getTag());
	    mActionBar.removeTab(mActionBar.getSelectedTab());
	    notifyDataSetChanged();
	}

	@Override
	public void onPageScrollStateChanged(int state) {
		
	}


	@Override
	public void onPageScrolled(int position, float positionOffset, int positionOffsetPixels) {
		
	}


	@Override
	public void onPageSelected(int position) {
		mActionBar.setSelectedNavigationItem(position);
		
	}


	@Override
	public void onTabReselected(Tab tab, FragmentTransaction ft) {
		notifyDataSetChanged();

	}


	@Override
	public void onTabSelected(Tab tab, FragmentTransaction ft) {
		mViewPager.setCurrentItem(tab.getPosition());
		Log.v(TAG, "clicked");
		Object tag = tab.getTag();
		notifyDataSetChanged();
		for (int i = 0; i<mTabs.size(); i++){

			if (mTabs.get(i) == tag){

				mViewPager.setCurrentItem(i);

			}
		}
	}


	@Override
	public void onTabUnselected(Tab tab, FragmentTransaction ft) {
		notifyDataSetChanged();

	}


	@Override
	public Fragment getItem(int position) {
		TabInfo info = mTabs.get(position);
		return Fragment.instantiate(mContext, info.clss.getName(), info.args);
	}


	@Override
	public int getCount() {
		return mTabs.size();
	}
	
	
	
	 

}