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滾動ViewPager內的RecyclerView時，我沒有任何運氣隱藏我的應用程序欄。我發現後：CoordinatorLayout with ViewPager
CoordinatorLayout using the ViewPager's RecyclerView
，但我沒有任何與它的運氣。這是我的活動佈局文件：
<android.support.v4.widget.DrawerLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:tools="http://schemas.android.com/tools"
xmlns:app="http://schemas.android.com/apk/res-auto"
android:id="@+id/drawer"
android:layout_width="match_parent"
android:layout_height="match_parent" >
<android.support.design.widget.CoordinatorLayout
android:id="@+id/main_content"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:fitsSystemWindows="true" >
<android.support.design.widget.AppBarLayout
android:id="@+id/appbar"
android:layout_width="match_parent"
android:layout_height="wrap_content">
<include
android:id="@+id/tool_bar"
layout="@layout/tool_bar"
app:layout_scrollFlags="scroll|enterAlways|snap">
</include>
<android.support.design.widget.TabLayout
android:id="@+id/tabs"
android:layout_width="match_parent"
android:layout_height="wrap_content"
app:tabMode="scrollable" />
</android.support.design.widget.AppBarLayout>
<android.support.v4.view.ViewPager
android:id="@+id/pager"
android:layout_width="match_parent"
android:layout_height="match_parent"
app:layout_behavior="@string/appbar_scrolling_view_behavior" />
</android.support.design.widget.CoordinatorLayout>
<include
android:id="@+id/drawer_list"
layout="@layout/nav_drawer_list_view" />
<include
android:id="@+id/citizensFilter"
layout="@layout/citizens_activity_filter" />
</android.support.v4.widget.DrawerLayout>
的片段具有的意見提供了良好的內部量，所以我不知道這可能是一個問題：
<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:animateLayoutChanges="true"
android:background="@color/colorCitizenBackground" >
<TextView
android:id="@+id/tvUpgrade"
android:layout_width="match_parent"
android:layout_height="48dp"
android:layout_alignParentBottom="true"
android:animateLayoutChanges="true"
android:gravity="center"
android:text="@string/load_more_profiles"
android:textSize="16sp"
android:textColor="@color/white" />
<android.support.v4.widget.SwipeRefreshLayout
android:id="@+id/layoutSwipeRefresh"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:layout_above="@+id/tvUpgrade"
android:layout_below="@+id/horizontalScrollView1" >
<android.support.v7.widget.RecyclerView
android:id="@+id/recyclerCitizens"
android:layout_width="match_parent"
android:layout_height="match_parent">
</android.support.v7.widget.RecyclerView>
</android.support.v4.widget.SwipeRefreshLayout>
<HorizontalScrollView
android:id="@+id/horizontalScrollView1"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignParentLeft="true"
android:layout_alignParentRight="true"
android:layout_alignParentTop="true"
android:background="@color/citizen_filter_color"
android:paddingLeft="5dp"
android:paddingRight="5dp"
android:scrollbars="none" >
<TextView
android:id="@+id/tvFilterList"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_gravity="center_horizontal"
android:singleLine="true"
android:textAppearance="?android:attr/textAppearanceSmall"
android:textColor="@color/white" />
</HorizontalScrollView>
<include android:id="@+id/layoutNoneFound"
android:layout_width="match_parent"
android:layout_height="match_parent"
layout="@layout/view_no_search_results"
android:layout_below="@+id/horizontalScrollView1" />
<include android:id="@+id/layoutLoading"
android:layout_width="match_parent"
android:layout_height="match_parent"
layout="@layout/view_loading"
android:layout_below="@+id/horizontalScrollView1" />
<include android:id="@+id/layoutGetLocation"
android:layout_width="match_parent"
android:layout_height="match_parent"
layout="@layout/view_determine_location"
android:layout_below="@+id/horizontalScrollView1" />
<RelativeLayout
android:id="@+id/layoutDiscover"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:background="@android:color/transparent"
android:clickable="true"
android:visibility="invisible" >
<LinearLayout
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_centerInParent="true"
android:background="@drawable/rounded_corners_discover"
android:orientation="vertical" >
<LinearLayout
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:orientation="horizontal"
android:paddingLeft="20dp"
android:paddingStart="20dp"
android:paddingRight="20dp"
android:paddingEnd="20dp">
<TextView
android:id="@+id/tvDiscover"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_weight="1"
android:text="@string/discover"
android:textColor="@color/colorPrimaryText"
android:textAppearance="?android:attr/textAppearanceSmall" />
<Spinner
android:id="@+id/spDiscover"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:gravity="right|end"
android:layout_weight="1" />
</LinearLayout>
<android.support.v7.widget.RecyclerView
android:id="@+id/recyclerDiscover"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:paddingBottom="20dp"
android:paddingTop="20dp"
android:layout_marginLeft="10dp"
android:layout_marginStart="10dp"
android:layout_marginRight="10dp"
android:layout_marginEnd="10dp">
</android.support.v7.widget.RecyclerView>
</LinearLayout>
</RelativeLayout>
</RelativeLayout>
我甚至曾試圖設定編程使用的CoordinatorLayout;
CoordinatorLayout.LayoutParams params = new CoordinatorLayout.LayoutParams(ViewGroup.LayoutParams.MATCH_PARENT, ViewGroup.LayoutParams.MATCH_PARENT);
params.setBehavior(new AppBarLayout.ScrollingViewBehavior());
recyclerCitizens.setLayoutParams(params);
但這仍然沒有效果。我錯過了什麼？我的印象是，設置ViewPager上的layout_behavior將允許這種實現。