我在此布局中有多个线性布局。当我完全滚动该项目时, ScrollView 正在工作,但在 ListView 中不起作用。我的 ListView 有多个列表项,它一次只显示一个列表项,谢谢帮助我......
<?xml version="1.0" encoding="utf-8"?>
<ScrollView xmlns:android="http://schemas.android.com/apk/res/android"
android:id="@+id/taskscrollviewid"
android:layout_width="match_parent"
android:layout_height="fill_parent" >
<LinearLayout
android:layout_width="fill_parent"
android:layout_height="fill_parent"
android:orientation="vertical"
android:scrollbars="vertical" >
<LinearLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_marginTop="10dp"
android:orientation="horizontal"
android:weightSum="2" >
<Button
android:id="@+id/txtdate"
android:layout_width="0dip"
android:layout_height="30px"
android:layout_weight="1"
android:background="@drawable/taskbuttonselector" />
<Button
android:id="@+id/btnTaskTimeid"
android:layout_width="0dip"
android:layout_height="30px"
android:layout_weight="1"
android:background="@drawable/taskbuttonselector" />
</LinearLayout>
<FrameLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_marginTop="10dp"
android:orientation="horizontal" >
<EditText
android:id="@+id/txtItem"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:background="@drawable/edittextselector"
android:drawableEnd="@drawable/inbox"
android:gravity="top|left"
android:hint="Enter task"
android:inputType="textMultiLine"
android:maxLines="5"
android:minLines="3"
android:scrollbars="vertical"
android:singleLine="false" />
<ImageButton
android:id="@+id/imagebuttonid"
android:layout_width="31dp"
android:layout_height="36dp"
android:layout_gravity="right|bottom"
android:background="@drawable/inbox" />
</FrameLayout>
<LinearLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_marginTop="10dp"
android:orientation="horizontal"
android:weightSum="2" >
<Button
android:id="@+id/btnaddcategoryid"
android:layout_width="0dip"
android:layout_height="30px"
android:layout_weight="1"
android:background="@drawable/taskbuttonselector"
android:text="AddCategory" />
<Button
android:id="@+id/btnaddseverityid"
android:layout_width="0dip"
android:layout_height="30px"
android:layout_weight="1"
android:background="@drawable/taskbuttonselector"
android:text="AddSeverity" />
</LinearLayout>
<Button
android:id="@+id/btnadddb"
android:layout_width="wrap_content"
android:layout_height="30px"
android:layout_gravity="center|center_horizontal"
android:layout_marginTop="10dp"
android:background="@drawable/taskbuttonselector"
android:text="Add This Task" />
<LinearLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_marginTop="10dp"
android:orientation="horizontal"
android:weightSum="2" >
<Button
android:id="@+id/fillbut"
android:layout_width="0dip"
android:layout_height="30px"
android:layout_weight="1"
android:background="@drawable/taskbuttonselector"
android:text="Remain Task" />
<Button
android:id="@+id/remainbut"
android:layout_width="0dip"
android:layout_height="30px"
android:layout_weight="1"
android:background="@drawable/taskbuttonselector"
android:text="Finish Task" />
</LinearLayout>
<ListView
android:id="@+id/listid"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:layout_marginTop="10dp"
android:clickable="true"
android:orientation="vertical" >
</ListView>
</LinearLayout>
</ScrollView>
最佳答案
切勿将 ListView 放入 ScrollView 中,反之亦然! documentation 中就是这么说的。 :
You should never use a ScrollView with a ListView, because ListView takes care of its own vertical scrolling. Most importantly, doing this defeats all of the important optimizations in ListView for dealing with large lists, since it effectively forces the ListView to display its entire list of items to fill up the infinite container supplied by ScrollView.
关于android - ScrollView 在 ListView 中不起作用,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/17449391/