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      1 /*
      2  * Copyright (C) 2017 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.autofill.app;
     18 
     19 import android.content.Context;
     20 import android.os.Bundle;
     21 import android.support.annotation.Nullable;
     22 import android.support.design.widget.TabLayout;
     23 import android.support.v4.app.Fragment;
     24 import android.support.v4.app.FragmentManager;
     25 import android.support.v4.app.FragmentPagerAdapter;
     26 import android.support.v4.view.PagerAdapter;
     27 import android.support.v4.view.ViewPager;
     28 import android.support.v7.app.AppCompatActivity;
     29 
     30 import com.example.android.autofill.app.commoncases.CommonCasesFragment;
     31 import com.example.android.autofill.app.edgecases.EdgeCasesFragment;
     32 
     33 /**
     34  * This is used to launch sample activities that showcase autofill.
     35  */
     36 public class MainActivity extends AppCompatActivity {
     37 
     38     @Override
     39     protected void onCreate(@Nullable Bundle savedInstanceState) {
     40         super.onCreate(savedInstanceState);
     41         setContentView(R.layout.activity_main);
     42         ViewPager viewPager = findViewById(R.id.pager);
     43         PagerAdapter pagerAdapter = new ScreenSlidePagerAdapter(getSupportFragmentManager(), this);
     44         viewPager.setAdapter(pagerAdapter);
     45         TabLayout tabLayout = findViewById(R.id.sliding_tabs);
     46         tabLayout.setupWithViewPager(viewPager);
     47     }
     48 
     49     /**
     50      * A simple pager adapter that holds 2 Fragments.
     51      */
     52     private static class ScreenSlidePagerAdapter extends FragmentPagerAdapter {
     53         private BaseMainFragment[] fragments = new BaseMainFragment[]{new CommonCasesFragment(),
     54                 new EdgeCasesFragment()};
     55 
     56         private Context mContext;
     57 
     58         public ScreenSlidePagerAdapter(FragmentManager fm, Context context) {
     59             super(fm);
     60             mContext = context;
     61         }
     62 
     63         @Override
     64         public Fragment getItem(int position) {
     65             return fragments[position];
     66         }
     67 
     68         @Override
     69         public int getCount() {
     70             return fragments.length;
     71         }
     72 
     73         @Override
     74         public CharSequence getPageTitle(int position) {
     75             return mContext.getString(fragments[position].getPageTitleResId());
     76         }
     77     }
     78 }