底部栏在导航栏后面降低

底部导航隐藏在设备按钮后面,请参见下图:

我不能使用任何 滚动视图 view or anything.

请参阅以下我的活动代码:

<android.support.v4.widget.drawerlayout
android:id=“@+id/抽屉\布局”
android:layout_width=“匹配父级”
android:layout_height=“匹配父级”
工具:opendrawer=“开始”
android:background=“@color/offwhite”
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.support.design.widget.navigationview
安卓:id=“@+id/nav_view”
android:layout_width=“匹配父级”
android:layout_height=“匹配父级”
android:layout_gravity=“开始”
app:header layout=“@layout/nav_header_main”
app:menu=“@菜单/导航菜单”
/ gt;


<相对布局
android:layout_below=“@+id/nav_view”
android:layout_width=“匹配父级”
android:layout_height=“匹配父级”
gt;
<框架布局
安卓:id=“@+id/nav_frame”
android:layout_width=“匹配父级”
android:layout_height=“匹配父级”
android:orientation=“垂直”
android:layout_above=“@+id/底部导航”












scrollview



<android.support.v4.widget.DrawerLayout
    android:id="@+id/drawer_layout"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    tools:openDrawer="start"
    android:background="@color/offwhite"
    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.support.design.widget.NavigationView
        android:id="@+id/nav_view"
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        android:layout_gravity="start"
        app:headerLayout="@layout/nav_header_main"
        app:menu="@menu/nav_menu"
        />


    <RelativeLayout
        android:layout_below="@+id/nav_view"
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        >
        <FrameLayout
            android:id="@+id/nav_Frame"
            android:layout_width="match_parent"
            android:layout_height="match_parent"
            android:orientation="vertical"
            android:layout_above="@+id/bottom_navigation"
            >
        </FrameLayout>

        <LinearLayout
            android:id="@+id/bottom_navigation"
            android:layout_width="match_parent"
            android:layout_height="@dimen/_40sdp"
            android:background="@color/white"
            android:layout_alignParentBottom="true"
            >

            <ImageView
                android:id="@+id/iv_home"
                android:layout_width="@dimen/_20sdp"
                android:layout_height="@dimen/_20sdp"
                android:src="@drawable/ic_myaccount"
                android:tint="@color/light_gray"
                android:layout_gravity="center_vertical"
                android:layout_weight="1"
                />

            <ImageView
                android:id="@+id/iv_notification"
                android:layout_width="@dimen/_20sdp"
                android:layout_height="@dimen/_20sdp"
                android:src="@drawable/ic_myaccount"
                android:tint="@color/light_gray"
                android:layout_gravity="center_vertical"
                android:layout_weight="1"
                />

            <ImageView
                android:id="@+id/iv_add"
                android:layout_width="@dimen/_20sdp"
                android:layout_height="@dimen/_20sdp"
                android:src="@drawable/ic_myaccount"
                android:tint="@color/light_gray"
                android:layout_gravity="center_vertical"
                android:layout_weight="1"
                />

            <ImageView
                android:id="@+id/iv_massage"
                android:layout_width="@dimen/_20sdp"
                android:layout_height="@dimen/_20sdp"
                android:src="@drawable/ic_myaccount"
                android:tint="@color/light_gray"
                android:layout_gravity="center_vertical"
                android:layout_weight="1"
                />

            <ImageView
                android:id="@+id/iv_account"
                android:layout_width="@dimen/_20sdp"
                android:layout_height="@dimen/_20sdp"
                android:src="@drawable/ic_myaccount"
                android:tint="@color/light_gray"
                android:layout_gravity="center_vertical"
                android:layout_weight="1"
                />

        </LinearLayout>


    </RelativeLayout>
</android.support.v4.widget.DrawerLayout>


style.xml

 <style name="AppTheme" parent="Theme.AppCompat.Light.NoActionBar">
        <!-- Customize your theme here. -->
        <item name="colorPrimary">@color/colorPrimary</item>
        <item name="colorPrimaryDark">@color/colorPrimaryDark</item>
        <item name="colorAccent">@color/colorAccent</item>
    </style>