ScrollView拒绝滚动

Question

我正在尝试在同一ScrollView中使用NavDrawer和Activity。一切都很好，但我无法滚动。我可以按照我的要求并排NavDrawer和ScrollView，但我无法滚动。屏幕是固定的，虽然屏幕上有滚动条，但它没有向上或向下滚动。

<?xml version="1.0" encoding="utf-8"?>

<ScrollView
    xmlns:app="http://schemas.android.com/apk/res-auto"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_marginTop="100dp"
    android:layout_width="match_parent"
    android:layout_height="match_parent">

    <LinearLayout
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:orientation="vertical">

        <FrameLayout
            android:layout_width="match_parent"
            android:layout_height="200dp"
            android:layout_margin="16dp"
            android:background="#fff"
            android:elevation="4dp"></FrameLayout>
        <FrameLayout
            android:layout_width="match_parent"
            android:layout_height="200dp"
            android:layout_margin="16dp"
            android:background="#fff"
            android:elevation="4dp"></FrameLayout>
        <FrameLayout
            android:layout_width="match_parent"
            android:layout_height="200dp"
            android:layout_margin="16dp"
            android:background="#fff"
            android:elevation="4dp"></FrameLayout>
        <FrameLayout
            android:layout_width="match_parent"
            android:layout_height="200dp"
            android:layout_margin="16dp"
            android:background="#fff"
            android:elevation="4dp"></FrameLayout>
    </LinearLayout>

</ScrollView>
    <android.support.v4.widget.DrawerLayout 
        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/drawer_layout"
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        android:fitsSystemWindows="true"
        tools:openDrawer="start">



        <android.support.design.widget.NavigationView
             android:id="@+id/nav_view"
             android:layout_width="wrap_content"
             android:layout_height="match_parent"
             android:layout_gravity="start"
             android:fitsSystemWindows="true"
             app:headerLayout="@layout/nav_header_homepage1"
             app:menu="@menu/activity_homepage1_drawer" />
    </android.support.v4.widget.DrawerLayout>

Answer 1

<RelativeLayout 
xmlns:app="http://schemas.android.com/apk/res-auto"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_marginTop="100dp"
android:layout_width="match_parent" android:layout_height="match_parent">

<ScrollView

    android:layout_width="match_parent"
    android:layout_height="wrap_content">

    <LinearLayout
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:orientation="vertical">

        <FrameLayout
            android:layout_width="match_parent"
            android:layout_height="200dp"
            android:layout_margin="16dp"
            android:background="#fff"
            android:elevation="4dp"></FrameLayout>
        <FrameLayout
            android:layout_width="match_parent"
            android:layout_height="200dp"
            android:layout_margin="16dp"
            android:background="#fff"
            android:elevation="4dp"></FrameLayout>
        <FrameLayout
            android:layout_width="match_parent"
            android:layout_height="200dp"
            android:layout_margin="16dp"
            android:background="#fff"
            android:elevation="4dp"></FrameLayout>
        <FrameLayout
            android:layout_width="match_parent"
            android:layout_height="200dp"
            android:layout_margin="16dp"
            android:background="#fff"
            android:elevation="4dp"></FrameLayout>
    </LinearLayout>

</ScrollView>
    <android.support.v4.widget.DrawerLayout 
        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/drawer_layout"
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        android:fitsSystemWindows="true"
        tools:openDrawer="start">



        <android.support.design.widget.NavigationView
             android:id="@+id/nav_view"
             android:layout_width="wrap_content"
             android:layout_height="match_parent"
             android:layout_gravity="start"
             android:fitsSystemWindows="true"
             app:headerLayout="@layout/nav_header_homepage1"
             app:menu="@menu/activity_homepage1_drawer" />


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