Android 添加fillViewport=true后,具有ListView的ScrollView不可滚动
我已将fillViewport设置为true,以使ListView具有正确的大小,但这会导致ScrollView无法滚动。 如果我对listView使用固定大小,它就可以工作,但我不希望listView是可滚动的Android 添加fillViewport=true后,具有ListView的ScrollView不可滚动,android,listview,scrollview,Android,Listview,Scrollview,我已将fillViewport设置为true,以使ListView具有正确的大小,但这会导致ScrollView无法滚动。 如果我对listView使用固定大小,它就可以工作,但我不希望listView是可滚动的 <FrameLayout xmlns:android="http://schemas.android.com/apk/res/android" xmlns:tools="http://schemas.android.com/tools" android:layout_width=
<FrameLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:tools="http://schemas.android.com/tools" android:layout_width="fill_parent"
android:layout_height="fill_parent"
tools:context="com.example.pascal.x"
android:background="#FFFFFF">
<!-- TODO: Update blank fragment layout -->
<LinearLayout
android:orientation="vertical"
android:layout_width="match_parent"
android:layout_height="match_parent">
<Button
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:text="+ add stuff"
android:id="@+id/button"
android:background="#00AEEF"
android:textColor="#FFF"
android:layout_gravity="center_horizontal|top" />
<ScrollView
android:layout_width="wrap_content"
android:layout_height="match_parent"
android:fillViewport="false"
android:layout_gravity="center_horizontal|bottom"
android:scrollbars="vertical"
android:id="@+id/scrollView" >
<LinearLayout
android:orientation="vertical"
android:scrollbars="vertical"
android:layout_width="match_parent"
android:layout_height="wrap_content">
<TextView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_margin="15dp"
android:textAppearance="?android:attr/textAppearanceLarge"
android:text="stuff"
android:id="@+id/textView"
android:textColor="#00AEEF" />
<ListView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_margin="15dp"
android:id="@+id/listView"
android:layout_gravity="center_horizontal" />
<TextView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_margin="15dp"
android:textAppearance="?android:attr/textAppearanceLarge"
android:text="other stuff"
android:id="@+id/textView2"
android:textColor="#00AEEF" />
<ListView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_margin="15dp"
android:id="@+id/listView2" />
</LinearLayout>
</ScrollView>
</LinearLayout>
我在这里找到了解决问题的方法:
公共类实用程序{
公共静态无效setListViewHeightBasedOnChildren(ListView ListView){
ListAdapter ListAdapter=listView.getAdapter();
如果(listAdapter==null){
//前提条件
返回;
}
int totalHeight=listView.getPaddingTop()+listView.getPaddingBottom();
对于(int i=0;i
我在这里找到了解决问题的方法:
公共类实用程序{
公共静态无效setListViewHeightBasedOnChildren(ListView ListView){
ListAdapter ListAdapter=listView.getAdapter();
如果(listAdapter==null){
//前提条件
返回;
}
int totalHeight=listView.getPaddingTop()+listView.getPaddingBottom();
对于(int i=0;i
我在这里找到了解决问题的方法:
公共类实用程序{
公共静态无效setListViewHeightBasedOnChildren(ListView ListView){
ListAdapter ListAdapter=listView.getAdapter();
如果(listAdapter==null){
//前提条件
返回;
}
int totalHeight=listView.getPaddingTop()+listView.getPaddingBottom();
对于(int i=0;i
我在这里找到了解决问题的方法:
公共类实用程序{
公共静态无效setListViewHeightBasedOnChildren(ListView ListView){
ListAdapter ListAdapter=listView.getAdapter();
如果(listAdapter==null){
//前提条件
返回;
}
int totalHeight=listView.getPaddingTop()+listView.getPaddingBottom();
对于(int i=0;i
使用此视图而不是listview
import android.content.Context;
import android.util.AttributeSet;
import android.view.ViewGroup;
import android.widget.ListView;
public class ExpandableListView extends ListView {
boolean expanded = true;
public ExpandableListView(Context context) {
super(context);
}
public ExpandableListView(Context context, AttributeSet attrs) {
super(context, attrs);
}
public ExpandableListView(Context context, AttributeSet attrs, int defStyle)
{
super(context, attrs, defStyle);
}
public boolean isExpanded() {
return expanded;
}
@Override
public void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {
// HACK! TAKE THAT ANDROID!
if (isExpanded()) {
// Calculate entire height by providing a very large height hint.
// View.MEASURED_SIZE_MASK represents the largest height possible.
int expandSpec = MeasureSpec.makeMeasureSpec(MEASURED_SIZE_MASK, MeasureSpec.AT_MOST);
super.onMeasure(widthMeasureSpec, expandSpec);
ViewGroup.LayoutParams params = getLayoutParams();
params.height = getMeasuredHeight();
} else {
super.onMeasure(widthMeasureSpec, heightMeasureSpec);
}
}
}
在XML中使用它
<yourpackagename(where you put this file).ExpandableListView
.....
.....
...../>
使用此视图而不是listview
import android.content.Context;
import android.util.AttributeSet;
import android.view.ViewGroup;
import android.widget.ListView;
public class ExpandableListView extends ListView {
boolean expanded = true;
public ExpandableListView(Context context) {
super(context);
}
public ExpandableListView(Context context, AttributeSet attrs) {
super(context, attrs);
}
public ExpandableListView(Context context, AttributeSet attrs, int defStyle)
{
super(context, attrs, defStyle);
}
public boolean isExpanded() {
return expanded;
}
@Override
public void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {
// HACK! TAKE THAT ANDROID!
if (isExpanded()) {
// Calculate entire height by providing a very large height hint.
// View.MEASURED_SIZE_MASK represents the largest height possible.
int expandSpec = MeasureSpec.makeMeasureSpec(MEASURED_SIZE_MASK, MeasureSpec.AT_MOST);
super.onMeasure(widthMeasureSpec, expandSpec);
ViewGroup.LayoutParams params = getLayoutParams();
params.height = getMeasuredHeight();
} else {
super.onMeasure(widthMeasureSpec, heightMeasureSpec);
}
}
}
在XML中使用它
<yourpackagename(where you put this file).ExpandableListView
.....
.....
...../>
使用此视图而不是listview
import android.content.Context;
import android.util.AttributeSet;
import android.view.ViewGroup;
import android.widget.ListView;
public class ExpandableListView extends ListView {
boolean expanded = true;
public ExpandableListView(Context context) {
super(context);
}
public ExpandableListView(Context context, AttributeSet attrs) {
super(context, attrs);
}
public ExpandableListView(Context context, AttributeSet attrs, int defStyle)
{
super(context, attrs, defStyle);
}
public boolean isExpanded() {
return expanded;
}
@Override
public void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {
// HACK! TAKE THAT ANDROID!
if (isExpanded()) {
// Calculate entire height by providing a very large height hint.
// View.MEASURED_SIZE_MASK represents the largest height possible.
int expandSpec = MeasureSpec.makeMeasureSpec(MEASURED_SIZE_MASK, MeasureSpec.AT_MOST);
super.onMeasure(widthMeasureSpec, expandSpec);
ViewGroup.LayoutParams params = getLayoutParams();
params.height = getMeasuredHeight();
} else {
super.onMeasure(widthMeasureSpec, heightMeasureSpec);
}
}
}
在XML中使用它
<yourpackagename(where you put this file).ExpandableListView
.....
.....
...../>
使用此视图而不是listview
import android.content.Context;
import android.util.AttributeSet;
import android.view.ViewGroup;
import android.widget.ListView;
public class ExpandableListView extends ListView {
boolean expanded = true;
public ExpandableListView(Context context) {
super(context);
}
public ExpandableListView(Context context, AttributeSet attrs) {
super(context, attrs);
}
public ExpandableListView(Context context, AttributeSet attrs, int defStyle)
{
super(context, attrs, defStyle);
}
public boolean isExpanded() {
return expanded;
}
@Override
public void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {
// HACK! TAKE THAT ANDROID!
if (isExpanded()) {
// Calculate entire height by providing a very large height hint.
// View.MEASURED_SIZE_MASK represents the largest height possible.
int expandSpec = MeasureSpec.makeMeasureSpec(MEASURED_SIZE_MASK, MeasureSpec.AT_MOST);
super.onMeasure(widthMeasureSpec, expandSpec);
ViewGroup.LayoutParams params = getLayoutParams();
params.height = getMeasuredHeight();
} else {
super.onMeasure(widthMeasureSpec, heightMeasureSpec);
}
}
}
在XML中使用它
<yourpackagename(where you put this file).ExpandableListView
.....
.....
...../>
根据listview中可用的子视图数动态设置listview的高度。根据listview中可用的子视图数动态设置listview的高度。根据listview中可用的子视图数动态设置listview的高度。设置listview的高度动态地基于listview中可用的子视图的数量。