prebuilts/gradle/JumpingJack/Wearable/src/main/java/com/example/android/wearable/jumpingjack/PagerAdapter.java

/*
 * Copyright (C) 2014 Google Inc. All Rights Reserved.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package com.example.android.wearable.jumpingjack;

import android.app.Fragment;
import android.app.FragmentManager;
import android.support.v13.app.FragmentPagerAdapter;

import java.util.ArrayList;
import java.util.List;

/**
 * A simple adapter for the {@link android.support.v4.view.ViewPager}
 */
public class PagerAdapter extends FragmentPagerAdapter {

    List<Fragment> mFragments = null;

    public PagerAdapter(FragmentManager fm) {
        super(fm);
        mFragments = new ArrayList<Fragment>();
    }

    @Override
    public Fragment getItem(int position) {
        return mFragments.get(position);
    }

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

    public void addFragment(Fragment fragment) {
        mFragments.add(fragment);
        notifyDataSetChanged();
    }
}