tablayout/viewpager/fragment

TabLayout + ViewPager的使用

activity_main.xml

<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:orientation="vertical"
    tools:context="com.example.chen.myapplication.MainActivity">

    <android.support.design.widget.TabLayout
        android:id="@+id/tlMain"
        android:layout_width="match_parent"
        android:layout_height="50dp"
        app:tabIndicatorColor="@color/colorAccent"
        app:tabSelectedTextColor="@color/colorAccent"
        app:tabTextColor="@color/colorPrimaryDark" />

    <android.support.v4.view.ViewPager
        android:id="@+id/vpMain"
        android:layout_width="match_parent"
        android:layout_height="match_parent" />

</LinearLayout>

MainActivity.java

public class MainActivity extends AppCompatActivity {

    private ArrayList<String> titleList = new ArrayList<String>() {{
        add("google drive");
        add("google+");
        add("google play");
    }};

    private ArrayList<View> viewList = new ArrayList<>();
    private TabLayout tlMain;
    private ViewPager vpMain;
    private MyAdapter adapter;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        View view1 = getLayoutInflater().inflate(R.layout.view1, null);
        View view2 = getLayoutInflater().inflate(R.layout.view2, null);
        View view3 = getLayoutInflater().inflate(R.layout.view3, null);
        viewList.add(view1);
        viewList.add(view2);
        viewList.add(view3);
        initView();
    }

    private void initView() {
        tlMain = (TabLayout) findViewById(R.id.tlMain);
        tlMain.setTabMode(TabLayout.MODE_FIXED);
        tlMain.addTab(tlMain.newTab().setText(titleList.get(0)));
        tlMain.addTab(tlMain.newTab().setText(titleList.get(1)));
        tlMain.addTab(tlMain.newTab().setText(titleList.get(2)));
        vpMain = (ViewPager) findViewById(R.id.vpMain);
        adapter = new MyAdapter(titleList, viewList);
        tlMain.setTabsFromPagerAdapter(adapter);
        vpMain.setAdapter(adapter);
        tlMain.setupWithViewPager(vpMain, true);
    }
}

MyAdapter.java

public class MyAdapter extends PagerAdapter {

    private ArrayList<String> titleList;
    private ArrayList<View> viewList;

    public MyAdapter(ArrayList<String> titleList, ArrayList<View> viewList) {
        this.titleList = titleList;
        this.viewList = viewList;
    }

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

    @Override
    public boolean isViewFromObject(View view, Object object) {
        return view == object;
    }

    @Override
    public Object instantiateItem(ViewGroup container, int position) {
        container.addView(viewList.get(position));
        return viewList.get(position);
    }

    @Override
    public void destroyItem(ViewGroup container, int position, Object object) {
        container.removeView(viewList.get(position));
    }

    @Override
    public CharSequence getPageTitle(int position) {
        return titleList.get(position);
    }
}

TabLayout + ViewPager + Fragment的使用

<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:orientation="vertical"
    tools:context="com.example.chen.myapplication.MainActivity">

    <android.support.design.widget.TabLayout
        android:id="@+id/tlMain"
        android:layout_width="match_parent"
        android:layout_height="50dp"
        app:tabIndicatorColor="@color/colorAccent"
        app:tabSelectedTextColor="@color/colorAccent"
        app:tabTextColor="@color/colorPrimaryDark" />

    <android.support.v4.view.ViewPager
        android:id="@+id/vpMain"
        android:layout_width="match_parent"
        android:layout_height="match_parent" />

</LinearLayout>

MainActivity.java

public class MainActivity extends AppCompatActivity {

    private ArrayList<String> titleList = new ArrayList<String>() {{
        add("google drive");
        add("google+");
        add("google play");
    }};

    private ArrayList<Fragment> fragmentList = new ArrayList<Fragment>() {{
        add(new OneFragment());
        add(new TwoFragment());
        add(new ThreeFragment());
    }};

    private TabLayout tlMain;
    private ViewPager vpMain;

    private MyAdapter adapter;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        initView();
        adapter = new MyAdapter(getSupportFragmentManager(), titleList, fragmentList);
        vpMain.setAdapter(adapter);
        tlMain.setupWithViewPager(vpMain, true);
        tlMain.setTabsFromPagerAdapter(adapter);
    }

    private void initView() {
        tlMain = (TabLayout) findViewById(R.id.tlMain);
        vpMain = (ViewPager) findViewById(R.id.vpMain);
    }

}

oneFragment.java

public class OneFragment extends Fragment {

    @Nullable
    @Override
    public View onCreateView(LayoutInflater inflater, @Nullable ViewGroup container, @Nullable Bundle savedInstanceState) {
        View view = inflater.inflate(R.layout.fragment_view1, container, false);
        return view;
    }
}

TwoFragment.java

public class TwoFragment extends Fragment {

    @Nullable
    @Override
    public View onCreateView(LayoutInflater inflater, @Nullable ViewGroup container, @Nullable Bundle savedInstanceState) {
        View view = inflater.inflate(R.layout.fragment_view2, container, false);
        return view;
    }
}

ThreeFragment.java

public class ThreeFragment extends Fragment {

    @Nullable
    @Override
    public View onCreateView(LayoutInflater inflater, @Nullable ViewGroup container, @Nullable Bundle savedInstanceState) {
        View view = inflater.inflate(R.layout.fragment_view3, container, false);
        return view;
    }
}

MyAdapter.java

public class MyAdapter extends FragmentPagerAdapter {

    private ArrayList<String> titleList;
    private ArrayList<Fragment> fragmentList;

    public MyAdapter(FragmentManager fm, ArrayList<String> titleList, ArrayList<Fragment> fragmentList) {
        super(fm);
        this.titleList = titleList;
        this.fragmentList = fragmentList;
    }

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

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

    @Override
    public CharSequence getPageTitle(int position) {
        return titleList.get(position);
    }
}

原文地址：這裏寫鏈接內容