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      1 /*
      2  * Copyright (C) 2011 The Android Open Source Project
      3  *
      4  * Licensed under the Apache License, Version 2.0 (the "License");
      5  * you may not use this file except in compliance with the License.
      6  * You may obtain a copy of the License at
      7  *
      8  *      http://www.apache.org/licenses/LICENSE-2.0
      9  *
     10  * Unless required by applicable law or agreed to in writing, software
     11  * distributed under the License is distributed on an "AS IS" BASIS,
     12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     13  * See the License for the specific language governing permissions and
     14  * limitations under the License.
     15  */
     16 
     17 package com.example.android.supportv13.app;
     18 
     19 import com.example.android.supportv13.Cheeses;
     20 import com.example.android.supportv13.R;
     21 
     22 import android.support.v13.app.FragmentPagerAdapter;
     23 import android.support.v4.view.ViewPager;
     24 
     25 import android.os.Bundle;
     26 import android.app.Activity;
     27 import android.app.Fragment;
     28 import android.app.FragmentManager;
     29 import android.app.ListFragment;
     30 import android.util.Log;
     31 import android.view.LayoutInflater;
     32 import android.view.View;
     33 import android.view.ViewGroup;
     34 import android.view.View.OnClickListener;
     35 import android.widget.ArrayAdapter;
     36 import android.widget.Button;
     37 import android.widget.ListView;
     38 import android.widget.TextView;
     39 
     40 //BEGIN_INCLUDE(complete)
     41 public class FragmentPagerSupport extends Activity {
     42     static final int NUM_ITEMS = 10;
     43 
     44     MyAdapter mAdapter;
     45 
     46     ViewPager mPager;
     47 
     48     @Override
     49     protected void onCreate(Bundle savedInstanceState) {
     50         super.onCreate(savedInstanceState);
     51         setContentView(R.layout.fragment_pager);
     52 
     53         mAdapter = new MyAdapter(getFragmentManager());
     54 
     55         mPager = (ViewPager)findViewById(R.id.pager);
     56         mPager.setAdapter(mAdapter);
     57 
     58         // Watch for button clicks.
     59         Button button = (Button)findViewById(R.id.goto_first);
     60         button.setOnClickListener(new OnClickListener() {
     61             public void onClick(View v) {
     62                 mPager.setCurrentItem(0);
     63             }
     64         });
     65         button = (Button)findViewById(R.id.goto_last);
     66         button.setOnClickListener(new OnClickListener() {
     67             public void onClick(View v) {
     68                 mPager.setCurrentItem(NUM_ITEMS-1);
     69             }
     70         });
     71     }
     72 
     73     public static class MyAdapter extends FragmentPagerAdapter {
     74         public MyAdapter(FragmentManager fm) {
     75             super(fm);
     76         }
     77 
     78         @Override
     79         public int getCount() {
     80             return NUM_ITEMS;
     81         }
     82 
     83         @Override
     84         public Fragment getItem(int position) {
     85             return ArrayListFragment.newInstance(position);
     86         }
     87     }
     88 
     89     public static class ArrayListFragment extends ListFragment {
     90         int mNum;
     91 
     92         /**
     93          * Create a new instance of CountingFragment, providing "num"
     94          * as an argument.
     95          */
     96         static ArrayListFragment newInstance(int num) {
     97             ArrayListFragment f = new ArrayListFragment();
     98 
     99             // Supply num input as an argument.
    100             Bundle args = new Bundle();
    101             args.putInt("num", num);
    102             f.setArguments(args);
    103 
    104             return f;
    105         }
    106 
    107         /**
    108          * When creating, retrieve this instance's number from its arguments.
    109          */
    110         @Override
    111         public void onCreate(Bundle savedInstanceState) {
    112             super.onCreate(savedInstanceState);
    113             mNum = getArguments() != null ? getArguments().getInt("num") : 1;
    114         }
    115 
    116         /**
    117          * The Fragment's UI is just a simple text view showing its
    118          * instance number.
    119          */
    120         @Override
    121         public View onCreateView(LayoutInflater inflater, ViewGroup container,
    122                 Bundle savedInstanceState) {
    123             View v = inflater.inflate(R.layout.fragment_pager_list, container, false);
    124             View tv = v.findViewById(R.id.text);
    125             ((TextView)tv).setText("Fragment #" + mNum);
    126             return v;
    127         }
    128 
    129         @Override
    130         public void onActivityCreated(Bundle savedInstanceState) {
    131             super.onActivityCreated(savedInstanceState);
    132             setListAdapter(new ArrayAdapter<String>(getActivity(),
    133                     android.R.layout.simple_list_item_1, Cheeses.sCheeseStrings));
    134         }
    135 
    136         @Override
    137         public void onListItemClick(ListView l, View v, int position, long id) {
    138             Log.i("FragmentList", "Item clicked: " + id);
    139         }
    140     }
    141 }
    142 //END_INCLUDE(complete)
    143