menu_main&activity_main <menu xmlns:andr

<menu 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"

tools:context="org.xutils.sample.MainActivity">



<item

android:id="@+id/action_settings"

android:orderInCategory="100"

android:title="@string/action_settings"

app:showAsAction="never" />

</menu>

<?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"

xmlns:tools="http://schemas.android.com/tools"

android:id="@+id/main_content"

android:layout_width="match_parent"

android:layout_ />
android:fitsSystemWindows="true"

tools:context="org.xutils.sample.MainActivity">



<android.support.design.widget.AppBarLayout

android:id="@+id/appbar"

android:layout_width="match_parent"

android:layout_height="wrap_content"

android:paddingTop="@dimen/appbar_padding_top"

android:theme="@style/AppTheme.AppBarOverlay">



<android.support.v7.widget.Toolbar

android:id="@+id/toolbar"

android:layout_width="match_parent"

android:layout_height="?attr/actionBarSize"

android:background="?attr/colorPrimary"

app:layout_scrollFlags="scroll|enterAlways"

app:popupTheme="@style/AppTheme.PopupOverlay">

</android.support.v7.widget.Toolbar>



<android.support.design.widget.TabLayout

android:id="@+id/tabs"

android:layout_width="match_parent"

android:layout_height="wrap_content" />

</android.support.design.widget.AppBarLayout>



<android.support.v4.view.ViewPager

android:id="@+id/container"

android:layout_width="match_parent"

android:layout_height="match_parent"

app:layout_behavior="@string/appbar_scrolling_view_behavior" />

</android.support.design.widget.CoordinatorLayout>