<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:orientation="vertical" >

    <FrameLayout
        android:id="@+id/container"
        android:layout_width="match_parent"
        android:layout_height="0dip"
        android:layout_weight="1.0" >
    </FrameLayout>

    <RadioGroup
        android:id="@+id/main_radio"
        android:layout_width="fill_parent"
        android:layout_height="wrap_content"
        android:layout_gravity="bottom"
        android:gravity="bottom"
        android:layout_marginBottom="-6dp"
        android:orientation="horizontal" >

        <RadioButton
            android:id="@+id/radio_button0"
            style="@style/main_tab_bottom"
            android:drawableTop="@drawable/bottom_1" />

        <RadioButton
            android:id="@+id/radio_button1"
            style="@style/main_tab_bottom"
            android:drawableTop="@drawable/bottom_2" />

        <RadioButton
            android:id="@+id/radio_button2"
            style="@style/main_tab_bottom"
            android:drawableTop="@drawable/bottom_3" />

        <RadioButton
            android:id="@+id/radio_button3"
            style="@style/main_tab_bottom"
            android:drawableTop="@drawable/bottom_4" />

        <RadioButton
            android:id="@+id/radio_button4"
            style="@style/main_tab_bottom"
            android:drawableTop="@drawable/bottom_5" />
    </RadioGroup>

</LinearLayout>

    @Override
    public void onCheckedChanged(CompoundButton buttonView, boolean isChecked) {
        if (isChecked) {
            Fragment fragment = (Fragment) mFragmentPagerAdapter.instantiateItem(mContainer, buttonView.getId());
            mFragmentPagerAdapter.setPrimaryItem(mContainer, 0, fragment);
            mFragmentPagerAdapter.finishUpdate(mContainer);
        } 
    }

    private FragmentPagerAdapter mFragmentPagerAdapter = new FragmentPagerAdapter(getSupportFragmentManager()) {

        @Override
        public Fragment getItem(int position) {
            switch (position) {
            case R.id.radio_button1:
                return new Fragment1();
            case R.id.radio_button2:
                return new Fragment2();
            case R.id.radio_button3:
                return new Fragment3();
            case R.id.radio_button4:
                return new Fragment4();
            case R.id.radio_button0:
            default:
                return new Fragment0();
            }
        }

        @Override
        public int getCount() {
            return 5;
        }
    };

    @Override
    public Object instantiateItem(ViewGroup container, int position) {
        if (mCurTransaction == null) {
            mCurTransaction = mFragmentManager.beginTransaction();
        }

        final long itemId = getItemId(position);

        // Do we already have this fragment?
        String name = makeFragmentName(container.getId(), itemId);
        Fragment fragment = mFragmentManager.findFragmentByTag(name);
        if (fragment != null) {
            if (DEBUG) Log.v(TAG, "Attaching item #" + itemId + ": f=" + fragment);
            mCurTransaction.attach(fragment);
        } else {
            fragment = getItem(position);
            if (DEBUG) Log.v(TAG, "Adding item #" + itemId + ": f=" + fragment);
            mCurTransaction.add(container.getId(), fragment,
                    makeFragmentName(container.getId(), itemId));
        }
        if (fragment != mCurrentPrimaryItem) {
            fragment.setMenuVisibility(false);
            fragment.setUserVisibleHint(false);
        }

        return fragment;
    }

    @Override
    public void destroyItem(ViewGroup container, int position, Object object) {
        if (mCurTransaction == null) {
            mCurTransaction = mFragmentManager.beginTransaction();
        }
        if (DEBUG) Log.v(TAG, "Detaching item #" + getItemId(position) + ": f=" + object
                + " v=" + ((Fragment)object).getView());
        mCurTransaction.detach((Fragment)object);
    }

    @Override
    public void setPrimaryItem(ViewGroup container, int position, Object object) {
        Fragment fragment = (Fragment)object;
        if (fragment != mCurrentPrimaryItem) {
            if (mCurrentPrimaryItem != null) {
                mCurrentPrimaryItem.setMenuVisibility(false);
                mCurrentPrimaryItem.setUserVisibleHint(false);
            }
            if (fragment != null) {
                fragment.setMenuVisibility(true);
                fragment.setUserVisibleHint(true);
            }
            mCurrentPrimaryItem = fragment;
        }
    }

    @Override
    public void finishUpdate(ViewGroup container) {
        if (mCurTransaction != null) {
            mCurTransaction.commitAllowingStateLoss();
            mCurTransaction = null;
            mFragmentManager.executePendingTransactions();
        }
    }