TabLayout结合ViewPager使用

/**
* Created by wzl on 2016/4/15.
* 分享
*/
public class SharesActivity extends AppCompatActivity {
private ViewPager viewPager;
private FragmentPagerAdapter adapter;
private ArrayList<Fragment> fragments = new ArrayList<>(2);

@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_shares);
init();
}

private void init() {
findViewById(R.id.image_left).setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
onBackPressed();
}
});
TextView right = (TextView) findViewById(R.id.title_right);
right.setBackgroundResource(R.drawable.default_round_corner_bg_trans_white_stroke);
right.setPadding(AppUtils.dip2px(5), AppUtils.dip2px(2), AppUtils.dip2px(5), AppUtils.dip2px(2));
right.setText("输入邀请码");
right.setTextSize(AppUtils.dip2px(12) / getResources().getDisplayMetrics().scaledDensity + 0.5f);
right.setTextColor(getResources().getColor(R.color.white));
findViewById(R.id.layout_title).setBackgroundResource(R.color.title_color);
((TextView) findViewById(R.id.title)).setText("分享");
TabLayout tabs = (TabLayout) findViewById(R.id.tabs);
tabs.setSelectedTabIndicatorColor(getResources().getColor(R.color.white));
tabs.addTab(tabs.newTab().setText("Tab1"));
tabs.addTab(tabs.newTab().setText("Tab2"));
tabs.setOnTabSelectedListener(new TabLayout.OnTabSelectedListener() {
@Override
public void onTabSelected(TabLayout.Tab tab) {
viewPager.setCurrentItem(tab.getPosition());
}

@Override
public void onTabUnselected(TabLayout.Tab tab) {

}

@Override
public void onTabReselected(TabLayout.Tab tab) {

}
});
viewPager = (ViewPager) findViewById(R.id.view_pager);
TabLayout.TabLayoutOnPageChangeListener listener = new TabLayout.TabLayoutOnPageChangeListener(tabs);
viewPager.addOnPageChangeListener(listener);
fragments.add(new OrderItemFragment());
fragments.add(new AcceptOrderItemFragment());
adapter = new FragmentPagerAdapter(getSupportFragmentManager()) {
@Override
public Fragment getItem(int position) {
return fragments.get(position);
}

@Override
public int getCount() {
return fragments.size();
}
};
viewPager.setAdapter(adapter);
}
}

<?xml version="1.0" encoding="utf-8"?>
<android.support.design.widget.CoordinatorLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:app="http://schemas.android.com/apk/res-auto"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:background="@color/white">
<android.support.design.widget.AppBarLayout
android:id="@+id/app_bar"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:theme="@style/ThemeOverlay.AppCompat.Dark.ActionBar">

<include layout="@layout/layout_title" />

<LinearLayout
android:layout_width="match_parent"
android:layout_height="match_parent"
android:layout_marginBottom="-48dp"
android:background="@color/default_background"
app:layout_scrollFlags="scroll|enterAlways">

<RelativeLayout
android:layout_width="match_parent"
android:layout_height="400dp"
android:background="@drawable/activity_share_header">

<LinearLayout
android:id="@+id/qr_code_container"
android:layout_width="wrap_content"
android:layout_height="182.5dp"
android:layout_centerHorizontal="true"
android:layout_marginTop="@dimen/dimen_30"
android:background="@drawable/activity_share_qr_code_bg"
android:gravity="center_horizontal">

<ImageView
android:id="@+id/qr_code"
android:layout_width="@dimen/dimen_120"
android:layout_height="@dimen/dimen_120"
android:layout_marginTop="@dimen/dimen_20" />
</LinearLayout>

<TextView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_below="@+id/qr_code_container"
android:layout_centerHorizontal="true"
android:layout_marginTop="-35dp"
android:background="@drawable/share_button_bg"
android:gravity="center"
android:text="点击分享" />

</RelativeLayout>
</LinearLayout>

<android.support.design.widget.TabLayout
android:id="@+id/tabs"
android:layout_width="match_parent"
android:layout_height="@dimen/dimen_45"
android:background="@android:color/transparent"
android:nestedScrollingEnabled="false"
android:paddingBottom="@dimen/dimen_3"
app:tabIndicatorColor="@color/white"
app:tabSelectedTextColor="@color/white"
app:tabTextColor="@color/title_color_deep_dark"></android.support.design.widget.TabLayout>
</android.support.design.widget.AppBarLayout>

<android.support.v4.view.ViewPager
android:id="@+id/view_pager"
android:layout_width="match_parent"
android:layout_height="match_parent"
app:layout_behavior="@string/appbar_scrolling_view_behavior" />
</android.support.design.widget.CoordinatorLayout>