コピペでTabLayoutを使う方法について

（追記）以下のエントリーへ書き換えしました。

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knowledge.moshimore.jp
knowledge.moshimore.jp

ソースコード

MainActivity.java

import android.net.Uri;
import android.os.Bundle;
import android.support.design.widget.TabLayout;
import android.support.v4.app.Fragment;
import android.support.v4.app.FragmentPagerAdapter;
import android.support.v4.view.ViewPager;
import android.support.v7.app.AppCompatActivity;
import android.support.v7.widget.Toolbar;
public class MainActivity extends AppCompatActivity implements ViewPager.OnPageChangeListener, PageFragment.OnFragmentInteractionListener
{
private static final String[] pageTitle = {"PAGE1", "PAGE2", "PAGE3"};
@Override
protected void onCreate(Bundle savedInstanceState)
{
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
Toolbar toolbar = (Toolbar) findViewById(R.id.toolbar);
toolbar.setTitle("TITLE");
setSupportActionBar(toolbar);
TabLayout tabLayout = (TabLayout) findViewById(R.id.tabs);
ViewPager viewPager = (ViewPager) findViewById(R.id.pager);
FragmentPagerAdapter fragmentPagerAdapter = new FragmentPagerAdapter(getSupportFragmentManager())
{
@Override
public Fragment getItem(int position)
{
return PageFragment.newInstance(position + 1);
}
@Override
public CharSequence getPageTitle(int position)
{
return pageTitle[position];
}
@Override
public int getCount()
{
return pageTitle.length;
}
};
viewPager.setAdapter(fragmentPagerAdapter);
viewPager.addOnPageChangeListener(this);
tabLayout.setupWithViewPager(viewPager);
}
@Override
public void onPageScrolled(int position, float positionOffset, int positionOffsetPixels) {}
@Override
public void onPageSelected(int position) {}
@Override
public void onPageScrollStateChanged(int state) {}
@Override
public void onFragmentInteraction(Uri uri) {}
}

PageFragment.java

import android.content.Context;
import android.net.Uri;
import android.os.Bundle;
import android.support.v4.app.Fragment;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.TextView;
public class PageFragment extends Fragment
{
private static final String PAGE = "PAGE";
private OnFragmentInteractionListener onFragmentInteractionListener;
public PageFragment() {}
public static PageFragment newInstance(int page)
{
Bundle bundle = new Bundle();
bundle.putInt(PAGE, page);
PageFragment pageFragment = new PageFragment();
pageFragment.setArguments(bundle);
return pageFragment;
}
@Override
public void onCreate(Bundle savedInstanceState)
{
super.onCreate(savedInstanceState);
}
@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState)
{
int page = getArguments().getInt(PAGE, 0);
View view = inflater.inflate(R.layout.fragment_page, container, false);
TextView textView =(TextView)view.findViewById(R.id.textView);
textView.setText(String.valueOf(page));
return view;
}
@Override
public void onAttach(Context context)
{
super.onAttach(context);
if (context instanceof OnFragmentInteractionListener) {
onFragmentInteractionListener = (OnFragmentInteractionListener) context;
} else {
throw new RuntimeException();
}
}
@Override
public void onDetach()
{
super.onDetach();
onFragmentInteractionListener = null;
}
interface OnFragmentInteractionListener
{
void onFragmentInteraction(Uri uri);
}
}

activity_main.xml

<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout
    xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    tools:context=".MainActivity">
<android.support.v7.widget.Toolbar
        android:id="@+id/toolbar"
        android:layout_width="match_parent"
        android:layout_height="?attr/actionBarSize"
        android:background="?attr/colorPrimary" />
<android.support.design.widget.TabLayout
        android:id="@+id/tabs"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:layout_below="@+id/toolbar"/>
<android.support.v4.view.ViewPager
        android:id="@+id/pager"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:layout_below="@+id/tabs" />
</RelativeLayout>

fragment_page.xml

<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout
    xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    tools:context=".MainActivity">
<TextView
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="Page"
        android:id="@+id/textView"
        android:layout_centerVertical="true"
        android:layout_centerHorizontal="true"
    />
</RelativeLayout>

styles.xml

<resources>
<style name="AppTheme" parent="Theme.AppCompat.Light.NoActionBar">
<item name="colorPrimary">@color/colorPrimary</item>
<item name="colorPrimaryDark">@color/colorPrimaryDark</item>
<item name="colorAccent">@color/colorAccent</item>
</style>
</resources>

build.gradle

dependencies
{
// 以下を追加
compile 'com.android.support:design:25.3.1'
}

以上、コピペでTabLayoutを使う方法についてでした。