这是我关于Stack-overflow的第一个问题。
我的布局需要屏幕底部的列表视图。完整布局在Constraint Layout中设计。 列表视图也放在约束布局中。但是，它不滚动。
这是一个用于纠正的代码，因此我无法进行太多修改以使List View工作。
有些人可能认为这是一个重复的问题，但在列表视图上只有1或2个答案，并且约束布局并且解决方案也没有帮助。我搜索了很多，但没有任何作用。
欢迎任何帮助。
<android.support.constraint.ConstraintLayout
android:layout_width="match_parent"
android:layout_height="wrap_content">
<android.support.constraint.ConstraintLayout
android:id="@+id/cl_recent_memos_top_heading"
android:layout_width="match_parent"
android:layout_height="wrap_content">
<android.support.constraint.ConstraintLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:background="@color/gray">
<ImageView
android:id="@+id/img_recent_memos_top_heading_bar"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginBottom="@dimen/space_10"
android:layout_marginLeft="@dimen/space_10"
android:layout_marginTop="@dimen/space_10"
android:src="@drawable/applied_leaves_top"
app:layout_constraintBottom_toBottomOf="parent"
app:layout_constraintLeft_toLeftOf="parent"
app:layout_constraintTop_toTopOf="parent" />
<TextView
android:id="@+id/tv_recent_top_heading_bar"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginBottom="@dimen/space_10"
android:layout_marginLeft="@dimen/space_10"
android:layout_marginTop="@dimen/space_10"
android:fontFamily="serif"
android:text="@string/recent"
android:textColor="@color/dark_gray"
android:textSize="@dimen/top_heading_first_label_text_size"
app:layout_constraintBottom_toBottomOf="parent"
app:layout_constraintLeft_toRightOf="@id/img_recent_memos_top_heading_bar"
app:layout_constraintTop_toTopOf="parent" />
<TextView
android:id="@+id/tv_memos_top_heading_bar"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginBottom="@dimen/space_10"
android:layout_marginLeft="@dimen/space_10"
android:layout_marginTop="@dimen/space_13"
android:fontFamily="serif"
android:text="@string/memos"
android:textColor="#c5c5c5"
android:textSize="@dimen/top_heading_first_second_text_size"
app:layout_constraintBottom_toBottomOf="parent"
app:layout_constraintLeft_toRightOf="@id/tv_recent_top_heading_bar"
app:layout_constraintTop_toTopOf="parent" />
</android.support.constraint.ConstraintLayout>
</android.support.constraint.ConstraintLayout>
<android.support.constraint.ConstraintLayout
android:id="@+id/cl_recent_memos_grid"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_marginTop="0dp"
app:layout_constraintLeft_toLeftOf="parent"
app:layout_constraintRight_toRightOf="parent"
app:layout_constraintTop_toBottomOf="@id/cl_recent_memos_top_heading">
<android.support.constraint.ConstraintLayout
android:id="@+id/cl_recent_memos_grid_header"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginLeft="@dimen/space_5"
app:layout_constraintLeft_toLeftOf="parent">
<android.support.constraint.ConstraintLayout
android:id="@+id/cl_container_header"
android:layout_width="match_parent"
android:layout_height="match_parent">
<android.support.constraint.ConstraintLayout
android:id="@+id/cl_memo"
android:layout_width="180dp"
android:layout_height="wrap_content"
android:layout_marginLeft="@dimen/space_1"
android:background="#31cbe5"
app:layout_constraintLeft_toLeftOf="parent"
app:layout_constraintTop_toTopOf="parent">
<TextView
android:id="@+id/tv_memo"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:fontFamily="serif"
android:paddingLeft="@dimen/space_3"
android:text="@string/memo"
android:textColor="@color/white"
android:textSize="@dimen/show_applied_leave_grid_header_label_text_size"
app:layout_constraintLeft_toLeftOf="parent" />
</android.support.constraint.ConstraintLayout>
<android.support.constraint.ConstraintLayout
android:id="@+id/cl_memo_date"
android:layout_width="100dp"
android:layout_height="wrap_content"
android:layout_marginLeft="@dimen/space_1"
android:background="#31cbe5"
app:layout_constraintLeft_toRightOf="@id/cl_memo">
<TextView
android:id="@+id/tv_memo_date"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:fontFamily="serif"
android:paddingLeft="@dimen/space_3"
android:text="@string/memo_date"
android:textColor="@color/white"
android:textSize="@dimen/show_applied_leave_grid_header_label_text_size" />
</android.support.constraint.ConstraintLayout>
<!-- To -->
<android.support.constraint.ConstraintLayout
android:id="@+id/cl_document"
android:layout_width="140dp"
android:layout_height="wrap_content"
android:layout_marginLeft="@dimen/space_1"
android:background="#31cbe5"
android:paddingLeft="@dimen/space_3"
app:layout_constraintLeft_toRightOf="@id/cl_memo_date">
<TextView
android:id="@+id/tv_document"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:fontFamily="serif"
android:text="@string/document"
android:textColor="@color/white"
android:textSize="@dimen/show_applied_leave_grid_header_label_text_size" />
</android.support.constraint.ConstraintLayout>
<!-- Edit -->
<android.support.constraint.ConstraintLayout
android:id="@+id/cl_edit"
android:layout_width="50dp"
android:layout_height="wrap_content"
android:layout_marginLeft="@dimen/space_1"
android:background="#31cbe5"
app:layout_constraintLeft_toRightOf="@+id/cl_document">
<TextView
android:id="@+id/tv_edit"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="@string/edit"
android:textColor="#fff"
android:textSize="@dimen/show_applied_leave_grid_header_label_text_size" />
</android.support.constraint.ConstraintLayout>
<!-- Delete -->
<android.support.constraint.ConstraintLayout
android:id="@+id/cl_delete"
android:layout_width="50dp"
android:layout_height="wrap_content"
android:layout_marginLeft="@dimen/space_1"
android:background="#31cbe5"
app:layout_constraintLeft_toRightOf="@+id/cl_edit">
<TextView
android:id="@+id/tv_delete"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="@string/delete"
android:textColor="#fff"
android:textSize="@dimen/show_applied_leave_grid_header_label_text_size" />
</android.support.constraint.ConstraintLayout>
</android.support.constraint.ConstraintLayout>
</android.support.constraint.ConstraintLayout>
<android.support.constraint.ConstraintLayout
android:id="@+id/cl_recent_memo_list"
android:layout_width="match_parent"
android:layout_height="0dp"
android:layout_marginLeft="@dimen/space_5"
app:layout_constraintLeft_toLeftOf="parent"
app:layout_constraintTop_toBottomOf="@id/cl_recent_memos_grid_header">
<ListView
android:id="@+id/lv_recent_memos"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:divider="@android:color/transparent"
android:fadeScrollbars="false" />
</android.support.constraint.ConstraintLayout>
</android.support.constraint.ConstraintLayout>
</android.support.constraint.ConstraintLayout>
</android.support.constraint.ConstraintLayout>
答案 0 :(得分：0)
我遇到了同样的问题，即ListView不在ConstraintLayout中滚动。对我来说，解决方案是将ListView设置为具有顶部和底部约束的 upper 。
示例
// Component related to methods for sorting, pagination server side and filtering manual filtering with in the grid
import React from 'react'
import 'react-table/react-table.css'
import ReactTable from 'react-table'
import autoBind from 'react-autobind'
import {filterCaseInsensitive} from '../../helper/commonMethods'
class ServerSideAtomGrid extends React.Component {
super(props)
const userDetails = getUserDetails()
this.state = {
page: 0,
pageSizeOptions: [500, 1000, 2000, 4000],
pageSize: 500,
totalRecords: 0,
nextCursor: '*',
cursorList: [{
page: 0,
cursor: '*'
}],
sortFields: {
field: 'created_dtm',
sort: 'desc'
},
columnData,
}
autoBind(this)
}
handlePageChange (page) {
const pageNumber = (page)
const cursorList = this.state.cursorList
let cusrsorMark = ''
_.each(cursorList, (list) => {
if (list.page === pageNumber) {
cusrsorMark = list.cursor
}
})
this.setState({
nextCursor: cusrsorMark,
page: pageNumber
}, () => this.searchData(cusrsorMark, pageNumber))
}
handleSizePerPageChange (pageSize) {
this.resetData(pageSize)
this.searchData('*', 0)
}
handleSorting = (state, instance) => {
const sorted = state
let field = 'created_dtm'
let sort = 'desc'
sorted && sorted.length > 0 && sorted.map(fld => {
field = fld.id
sort = fld.desc ? 'desc' : 'asc'
})
this.setState({
sortFields: {
field,
sort
}
}, () => this.searchData('*', 0))
}
////
searchData('*', 0) {
//Axios call you cna have
}
filterCaseInsensitive (filter, row) {
const id = filter.pivotId || filter.id
return row[id] ? row[id].toString().toLowerCase().includes(filter.value.toLowerCase()) : true
}
render () {
const {
classes, gridData, gridColumns, defaultFilter, totalRecords,
gridPageSizeOptions, gridPage, gridPages, gridPageSize, gridLoading
} = this.props
return (
<div>
<ReactTable
columns={gridColumns}
data={gridData}
onSortedChange={(state, instance) => {
this.handleSorting(state, instance)
}}
filterable={defaultFilter}
defaultFilterMethod={filterCaseInsensitive}
noDataText="Ops No result found!"
defaultPageSize={this.state.pageSize}
className="-highlight"
style={{height: `${totalRecords < 25 ? '' : `800px`}`, width: '100%', textAlign: 'center'}}
pageText={`Total Count : ${totalRecords.toLocaleString()} Page: `}
loading={gridLoading}
page={this.state.page}
pages={this.state.pages}
showPaginationTop
pageSize={this.state.pageSize}
pageSizeOptions={gthis.state.pageSizeOptions}
minRows={25}
manual
onPageChange={page => {
this.setState({page})
this.handlePageChange(page)
}}
onPageSizeChange={(pageSize, page) => {
this.setState({
page,
pageSize
})
this.props.handleSizePerPageChange(pageSize)
}}
showPageJump={false}
/>
</div>
)
}
}
export default (ServerSideAtomGrid)