为什么我的ScrollView不能滚动

我已经检查了几遍了，同时对比了问答区其他同学的问题，实在是不知道为什么不能滑动，求解答

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<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">
 
        <LinearLayout
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:layout_marginLeft="10dp"
            android:layout_marginRight="20dp"
            android:orientation="horizontal"
            android:paddingTop="15dp">
 
            <LinearLayout
                android:layout_width="match_parent"
                android:layout_height="wrap_content"
                android:gravity="center"
                android:orientation="horizontal">
 
                <ImageView
                    android:layout_width="48dp"
                    android:layout_height="48dp"
                    android:src="@mipmap/list_my_menu" />
 
                <RelativeLayout
                    android:layout_width="match_parent"
                    android:layout_height="wrap_content"
                    android:layout_marginLeft="10dp">
 
                    <TextView
                        android:id="@+id/txt_my_order"
                        android:layout_width="wrap_content"
                        android:layout_height="wrap_content"
                        android:paddingTop="8dp"
                        android:text="我的订单"
                        android:textSize="28sp" />
 
                    <View
                        android:layout_width="match_parent"
                        android:layout_height="1dp"
                        android:layout_below="@id/txt_my_order"
                        android:layout_marginTop="8dp"
                        android:background="#E3E5E7"></View>
                </RelativeLayout>
 
            </LinearLayout>
        </LinearLayout>
 
        <LinearLayout
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:layout_marginLeft="10dp"
            android:layout_marginRight="20dp"
            android:orientation="horizontal"
            android:paddingTop="15dp">
 
            <LinearLayout
                android:layout_width="match_parent"
                android:layout_height="wrap_content"
                android:gravity="center"
                android:orientation="horizontal">
 
                <ImageView
                    android:layout_width="48dp"
                    android:layout_height="48dp"
                    android:src="@mipmap/list_save" />
 
                <RelativeLayout
                    android:layout_width="match_parent"
                    android:layout_height="wrap_content"
                    android:layout_marginLeft="10dp">
 
                    <TextView
                        android:id="@+id/txt_my_save"
                        android:layout_width="wrap_content"
                        android:layout_height="wrap_content"
                        android:paddingTop="8dp"
                        android:text="我的收藏"
                        android:textSize="28sp" />
 
                    <View
                        android:layout_width="match_parent"
                        android:layout_height="1dp"
                        android:layout_below="@id/txt_my_save"
                        android:layout_marginTop="8dp"
                        android:background="#E3E5E7"></View>
                </RelativeLayout>
 
            </LinearLayout>
        </LinearLayout>
 
        <LinearLayout
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:layout_marginLeft="10dp"
            android:layout_marginRight="20dp"
            android:orientation="horizontal"
            android:paddingTop="15dp">
 
            <LinearLayout
                android:layout_width="match_parent"
                android:layout_height="wrap_content"
                android:gravity="center"
                android:orientation="horizontal">
 
                <ImageView
                    android:layout_width="48dp"
                    android:layout_height="48dp"
                    android:src="@mipmap/list_pwd" />
 
                <RelativeLayout
                    android:layout_width="match_parent"
                    android:layout_height="wrap_content"
                    android:layout_marginLeft="10dp">
 
                    <TextView
                        android:id="@+id/txt_my_pwd"
                        android:layout_width="wrap_content"
                        android:layout_height="wrap_content"
                        android:paddingTop="8dp"
                        android:text="我的口令"
                        android:textSize="28sp" />
 
                    <View
                        android:layout_width="match_parent"
                        android:layout_height="1dp"
                        android:layout_below="@id/txt_my_pwd"
                        android:layout_marginTop="8dp"
                        android:background="#E3E5E7"></View>
                </RelativeLayout>
 
            </LinearLayout>
        </LinearLayout>
 
        <LinearLayout
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:layout_marginLeft="10dp"
            android:layout_marginRight="20dp"
            android:orientation="horizontal"
            android:paddingTop="15dp">
 
            <LinearLayout
                android:id="@+id/part1"
                android:layout_width="match_parent"
                android:layout_height="wrap_content"
                android:gravity="center"
                android:orientation="horizontal">
 
                <ImageView
                    android:layout_width="48dp"
                    android:layout_height="48dp"
                    android:src="@mipmap/list_my" />
 
                <RelativeLayout
                    android:layout_width="match_parent"
                    android:layout_height="wrap_content"
                    android:layout_marginLeft="10dp">
 
                    <TextView
                        android:id="@+id/txt_my"
                        android:layout_width="wrap_content"
                        android:layout_height="wrap_content"
                        android:paddingTop="8dp"
                        android:text="我的锦囊"
                        android:textSize="28sp" />
 
                </RelativeLayout>
 
            </LinearLayout>
 
        </LinearLayout>
 
        <View
            android:layout_width="match_parent"
            android:layout_height="8dp"
            android:layout_below="@id/txt_my"
            android:layout_marginTop="10dp"
            android:background="#E3E5E7"></View>
 
        <LinearLayout
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:layout_marginLeft="10dp"
            android:layout_marginRight="20dp"
            android:orientation="horizontal"
            android:paddingTop="15dp">
 
            <LinearLayout
                android:layout_width="match_parent"
                android:layout_height="wrap_content"
                android:gravity="center"
                android:orientation="horizontal">
 
                <ImageView
                    android:layout_width="48dp"
                    android:layout_height="48dp"
                    android:src="@mipmap/list_my_menu" />
 
                <RelativeLayout
                    android:layout_width="match_parent"
                    android:layout_height="wrap_content"
                    android:layout_marginLeft="10dp">
 
                    <TextView
                        android:id="@+id/txt_my_order1"
                        android:layout_width="wrap_content"
                        android:layout_height="wrap_content"
                        android:paddingTop="8dp"
                        android:text="我的订单"
                        android:textSize="28sp" />
 
                    <View
                        android:layout_width="match_parent"
                        android:layout_height="1dp"
                        android:layout_below="@id/txt_my_order1"
                        android:layout_marginTop="8dp"
                        android:background="#E3E5E7"></View>
                </RelativeLayout>
 
            </LinearLayout>
        </LinearLayout>
 
        <LinearLayout
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:layout_marginLeft="10dp"
            android:layout_marginRight="20dp"
            android:orientation="horizontal"
            android:paddingTop="15dp">
 
            <LinearLayout
                android:layout_width="match_parent"
                android:layout_height="wrap_content"
                android:gravity="center"
                android:orientation="horizontal">
 
                <ImageView
                    android:layout_width="48dp"
                    android:layout_height="48dp"
                    android:src="@mipmap/list_save" />
 
                <RelativeLayout
                    android:layout_width="match_parent"
                    android:layout_height="wrap_content"
                    android:layout_marginLeft="10dp">
 
                    <TextView
                        android:id="@+id/txt_my_save1"
                        android:layout_width="wrap_content"
                        android:layout_height="wrap_content"
                        android:paddingTop="8dp"
                        android:text="我的收藏"
                        android:textSize="28sp" />
 
                    <View
                        android:layout_width="match_parent"
                        android:layout_height="1dp"
                        android:layout_below="@id/txt_my_save1"
                        android:layout_marginTop="8dp"
                        android:background="#E3E5E7"></View>
                </RelativeLayout>
 
            </LinearLayout>
        </LinearLayout>
 
        <LinearLayout
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:layout_marginLeft="10dp"
            android:layout_marginRight="20dp"
            android:orientation="horizontal"
            android:paddingTop="15dp">
 
            <LinearLayout
                android:layout_width="match_parent"
                android:layout_height="wrap_content"
                android:gravity="center"
                android:orientation="horizontal">
 
                <ImageView
                    android:layout_width="48dp"
                    android:layout_height="48dp"
                    android:src="@mipmap/list_pwd" />
 
                <RelativeLayout
                    android:layout_width="match_parent"
                    android:layout_height="wrap_content"
                    android:layout_marginLeft="10dp">
 
                    <TextView
                        android:id="@+id/txt_my_pwd1"
                        android:layout_width="wrap_content"
                        android:layout_height="wrap_content"
                        android:paddingTop="8dp"
                        android:text="我的口令"
                        android:textSize="28sp" />
 
                    <View
                        android:layout_width="match_parent"
                        android:layout_height="1dp"
                        android:layout_below="@id/txt_my_pwd1"
                        android:layout_marginTop="8dp"
                        android:background="#E3E5E7"></View>
                </RelativeLayout>
 
            </LinearLayout>
        </LinearLayout>
 
        <LinearLayout
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:layout_marginLeft="10dp"
            android:layout_marginRight="20dp"
            android:orientation="horizontal"
            android:paddingTop="15dp">
 
            <LinearLayout
                android:id="@+id/part11"
                android:layout_width="match_parent"
                android:layout_height="wrap_content"
                android:gravity="center"
                android:orientation="horizontal">
 
                <ImageView
                    android:layout_width="48dp"
                    android:layout_height="48dp"
                    android:src="@mipmap/list_my" />
 
                <RelativeLayout
                    android:layout_width="match_parent"
                    android:layout_height="wrap_content"
                    android:layout_marginLeft="10dp">
 
                    <TextView
                        android:id="@+id/txt_my1"
                        android:layout_width="wrap_content"
                        android:layout_height="wrap_content"
                        android:paddingTop="8dp"
                        android:text="我的锦囊"
                        android:textSize="28sp" />
 
                </RelativeLayout>
 
            </LinearLayout>
 
        </LinearLayout>
 
        <View
            android:layout_width="match_parent"
            android:layout_height="8dp"
            android:layout_below="@id/txt_my1"
            android:layout_marginTop="10dp"
            android:background="#E3E5E7"></View>
 
    </LinearLayout>
 
</ScrollView>

慕沐020336 2019-04-11

源自：案例：慕淘旅游界面开发 4-2 我的实现_滚动列表

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1回答

irista23 2019-04-11 10:49:27

老师用的代码多加几条数据就可以滚动了，总体内容高度超过一屏才能有滚动效果。

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提问者慕沐020336 #1

但是，老师，现在有一个问题（无法传截图，所以我只好口述）：我刚刚在真机上再次运行，观察了一下运行结果，我的代码中最下面的我的锦囊，可能确实在屏幕中，但是由于被下面的菜单栏挡住了，如果不能滚动，那岂不是遮住了，有什么办法能够让被遮住的部分滚动到可见区域呢，同时也不想取消下面的菜单栏

2019-04-11 10:56:26
irista23 回复提问者慕沐020336 #2

你可以给ScrollView设置一个固定高度，让其在菜单栏以上滚动

2019-04-11 11:14:43
提问者慕沐020336 回复 irista23 #3

好的，我试试，谢谢老师了

2019-04-11 11:15:44