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我正在使用帶有BottomSheetBehavior的NestedScrollView。它有一個直接的孩子，一個ScrollView。當底部表單展開後，我希望能夠滾動瀏覽ScrollView中的內容，因爲即使展開，仍然過多，無法滾動查看。但是，它沒有迴應。這是XML：無法在NestedScrollView中滾動滾動查看
<android.support.design.widget.CoordinatorLayout 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:layout_width="match_parent"
android:layout_height="match_parent"
tools:context="com.thunderbuild.weegnet.fragments.FragmentBridgesMap">
<com.google.android.gms.maps.MapView
android:layout_width="match_parent"
android:layout_height="match_parent"
android:id="@+id/bridges_mv_map"
app:mapType="normal" />
<android.support.v4.widget.NestedScrollView
android:id="@+id/bridges_nsv_sheet"
android:layout_width="match_parent"
android:elevation="4dp"
android:layout_height="350dp"
android:scrollbars="none"
android:background="@android:color/white"
android:clipToPadding="true"
app:layout_behavior="android.support.design.widget.BottomSheetBehavior">
<ScrollView
android:layout_width="match_parent"
android:layout_height="match_parent"
android:clickable="true"
android:id="@+id/bridge_sv_content">
<android.support.constraint.ConstraintLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
app:layout_constraintTop_toBottomOf="@+id/bridge_mv_map"
android:id="@+id/bridge_cl_content"
android:orientation="vertical">
<TextView
android:id="@+id/bridge_tv_name"
android:layout_width="0dp"
android:layout_height="wrap_content"
android:text="Bridge name"
android:textColor="@color/primaryTextColor"
android:textSize="20sp"
android:layout_marginTop="8dp"
android:layout_marginBottom="0dp"
app:layout_constraintBottom_toTopOf="@+id/linearLayout"
app:layout_constraintTop_toTopOf="parent"
android:layout_marginLeft="8dp"
app:layout_constraintLeft_toLeftOf="parent"
android:layout_marginRight="8dp"
app:layout_constraintRight_toRightOf="parent" />
<Button
android:id="@+id/bridge_btn_weigh"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="Weigh"
android:layout_gravity="center_horizontal"
android:background="@drawable/button_style"
android:textColor="@color/lightTextColor"
app:layout_constraintTop_toBottomOf="@+id/ll_opening_times"
app:layout_constraintLeft_toLeftOf="parent"
app:layout_constraintRight_toRightOf="parent"
android:layout_marginTop="8dp" />
<TextView
android:id="@+id/bridge_tv_status"
android:layout_width="wrap_content"
android:textColor="@color/green"
android:layout_gravity="center_vertical"
android:layout_height="wrap_content"
android:text="Opened until..."
app:layout_constraintLeft_toLeftOf="@+id/bridge_tv_name"
app:layout_constraintTop_toBottomOf="@+id/bridge_tv_name"
android:layout_marginTop="8dp" />
<LinearLayout
android:layout_width="0dp"
android:layout_height="wrap_content"
android:orientation="horizontal"
android:layout_marginRight="0dp"
app:layout_constraintRight_toRightOf="parent"
app:layout_constraintTop_toTopOf="@+id/bridge_tv_status"
app:layout_constraintBottom_toBottomOf="@+id/bridge_tv_status"
android:layout_marginEnd="8dp"
android:id="@+id/linearLayout">
<ImageView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:tint="@color/secondaryTextColor"
android:layout_marginRight="4dp"
android:src="@drawable/ic_car" />
<TextView
android:id="@+id/bridge_tv_eta"
android:layout_gravity="center_vertical|right"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="5 min." />
</LinearLayout>
<ImageView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:src="@drawable/ic_marker"
android:id="@+id/imageView"
android:tint="@color/colorPrimary"
android:layout_marginLeft="16dp"
app:layout_constraintLeft_toLeftOf="parent"
android:layout_marginStart="16dp"
android:layout_marginTop="16dp"
app:layout_constraintTop_toBottomOf="@+id/bridge_tv_status" />
<LinearLayout
android:id="@+id/ll_opening_times"
android:orientation="vertical"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
app:layout_constraintRight_toRightOf="parent"
app:layout_constraintLeft_toLeftOf="parent"
app:layout_constraintTop_toBottomOf="@+id/view"
android:layout_marginTop="8dp"
android:layout_marginLeft="8dp"
android:layout_marginRight="8dp" />
<TextView
android:text="Address"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:id="@+id/bridge_tv_address"
app:layout_constraintLeft_toLeftOf="@+id/ll_opening_times"
app:layout_constraintBottom_toBottomOf="@+id/imageView"
app:layout_constraintTop_toTopOf="@+id/imageView" />
<ImageView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:src="@drawable/ic_clock"
android:tint="@color/colorPrimary"
android:id="@+id/imageView2"
app:layout_constraintTop_toTopOf="@+id/ll_opening_times"
app:layout_constraintLeft_toLeftOf="@+id/imageView" />
<View
android:layout_width="0dp"
android:layout_height="1dp"
android:background="@color/secondaryTextColor"
app:layout_constraintLeft_toLeftOf="parent"
app:layout_constraintTop_toBottomOf="@+id/bridge_tv_address"
app:layout_constraintRight_toRightOf="parent"
android:layout_marginTop="16dp"
app:layout_constraintHorizontal_bias="0.0"
android:id="@+id/view" />
</android.support.constraint.ConstraintLayout>
</ScrollView>
</android.support.v4.widget.NestedScrollView>
</android.support.design.widget.CoordinatorLayout>
我試過解決方案提到here但無濟於事。有人知道怎麼修這個東西嗎？
編輯：我現在注意到我可以滾動，但只是不夠遠。內容在底部被切斷。
NestedScrollView是滾動視圖中的擴展類..它在xml中已經是多餘的..使用NestedScrollView代替 – ZeroOne
不，NestedScrollView從FrameLayout擴展。不過，我仍然嘗試了你的建議。我刪除了子ScrollView，但具有相同的結果。即使完全展開，完整的內容也不適合底部表單，所以我希望能夠通過它滾動。我無法滾動。 – Ruben2112