CoordinatorLayout adds space between AppBarLayout and RecyclerView

匿名 (未验证) 提交于 2019-12-03 08:50:26

问题:

CoordinatorLayout adds space between AppBarLayout and RecyclerView. Not sure whether its the Toolbar or AppBarLayout.

Screenshot of the rendered layout on phone:

The design rendering on Studio doesn't how this space.

Any idea on what's going on?

The Code Itself.

<?xml version="1.0" encoding="utf-8"?> <FrameLayout   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/activity_home_framelayout"   android:layout_width="match_parent"   android:layout_height="match_parent"   android:animateLayoutChanges="true"   >    <android.support.v4.widget.DrawerLayout     android:id="@+id/drawer_layout"     android:layout_width="match_parent"     android:layout_height="match_parent"     android:animateLayoutChanges="true"     >      <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/activity_home_coordinator"       android:layout_width="match_parent"       android:layout_height="match_parent"       android:fitsSystemWindows="true"       tools:context=".ActivitySignIn">         <android.support.design.widget.AppBarLayout         android:layout_width="match_parent"         android:layout_height="wrap_content"         android:theme="@style/AppTheme.AppBarOverlay"         app:elevation="0dp"         >          <android.support.v7.widget.Toolbar           android:id="@+id/toolbar"           android:layout_width="match_parent"           android:layout_height="?attr/actionBarSize"           android:background="@color/colorPrimary"           android:theme="@style/OTGToolbarTheme"           >            <TextView             android:id="@+id/toolbar_title"             style="@style/textTitle"             android:layout_width="wrap_content"             android:layout_height="wrap_content"             android:layout_gravity="center"             android:text="You are logged in"             android:textColor="@color/colorAccent"/>         </android.support.v7.widget.Toolbar>        </android.support.design.widget.AppBarLayout>        <android.support.v7.widget.RecyclerView         android:id="@+id/activity_home_articlecontainer"         android:layout_width="match_parent"         android:layout_height="match_parent"         android:layout_gravity="start"         android:layout_marginTop="0dp"         android:background="@color/colorPrimary"         android:clipToPadding="false"         android:paddingTop="0dp"         app:behavior_overlapTop="?attr/actionBarSize"         app:layout_behavior="@string/appbar_scrolling_view_behavior"         />     </android.support.design.widget.CoordinatorLayout>      <android.support.v7.widget.RecyclerView       android:id="@+id/NavigationDrawer"       android:layout_width="wrap_content"       android:layout_height="match_parent"       android:layout_gravity="start"       android:background="@color/colorPrimary"       android:scrollbars="vertical"       />   </android.support.v4.widget.DrawerLayout>    <FrameLayout     android:id="@+id/activity_home_overlay"     android:layout_width="match_parent"     android:layout_height="match_parent"     android:clickable="true"     android:visibility="gone">      <LinearLayout       android:layout_width="match_parent"       android:layout_height="match_parent"       android:background="@color/tlgray0"       android:orientation="vertical"/>      <ProgressBar       android:layout_width="wrap_content"       android:layout_height="wrap_content"       android:layout_gravity="center"       android:indeterminate="true"/>   </FrameLayout> </FrameLayout> 

回答1:

Remove below line from your first Recycler View which id is activity_home_articlecontainer

 android:layout_gravity="start" 


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