要在表格布局中显示第一列冻结的数据,其他列可以水平滚动,我使用了2个网格视图,如下面的XML文件内容:
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:tools="http://schemas.android.com/tools"
android:layout_width="match_parent"
android:layout_height="match_parent"
tools:context="com.example.gridviews.MainActivity">
<LinearLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:orientation="horizontal">
<GridView
android:id="@+id/gridViewID"
android:layout_width="50dp"
android:layout_height="wrap_content"
android:columnWidth="50dp"
android:horizontalSpacing="1dp"
android:numColumns="1"
android:paddingTop="5dp"
android:stretchMode="columnWidth"
android:verticalSpacing="1dp" />
<HorizontalScrollView
android:layout_width="match_parent"
android:layout_height="wrap_content">
<LinearLayout
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:orientation="horizontal">
<GridView
android:id="@+id/gridViewDays"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:columnWidth="100dp"
android:horizontalSpacing="1dp"
android:numColumns="5"
android:paddingTop="5dp"
android:scrollbarStyle="outsideOverlay"
android:stretchMode="columnWidth"
android:verticalSpacing="1dp" />
</LinearLayout>
</HorizontalScrollView>
</LinearLayout>
</RelativeLayout>
和我的代码:
...
BaseAdapter adapterId = new BaseAdapter() {
@Override
public int getCount() {
return dataList.size();
}
@Override
public Object getItem(int position) {
return dataList.get(position);
}
@Override
public long getItemId(int position) {
return position;
}
@Override
public View getView(int position, View convertView, ViewGroup parent) {
TextView textView = new TextView(context);
textView.setText(String.valueOf(dataList.get(position).Id));
textView.setLayoutParams(new GridView.LayoutParams(GridView.AUTO_FIT, 70));
return textView;
}
};
BaseAdapter adapterDays = new BaseAdapter() {
@Override
public int getCount() {
return dataList.size() * 5;
}
@Override
public Object getItem(int position) {
return dataList.get(position);
}
@Override
public long getItemId(int position) {
return position;
}
@Override
public View getView(int position, View convertView, ViewGroup parent) {
TextView textView = new TextView(context);
int mod = position % 5;
int idx = position / 5;
switch (mod) {
case 0:
textView.setText(String.valueOf(dataList.get(idx).Mon));
break;
case 1:
textView.setText(String.valueOf(dataList.get(idx).Tue));
break;
case 2:
textView.setText(String.valueOf(dataList.get(idx).Wed));
break;
case 3:
textView.setText(String.valueOf(dataList.get(idx).Thu));
break;
case 4:
textView.setText(String.valueOf(dataList.get(idx).Fri));
break;
}
textView.setLayoutParams(new GridView.LayoutParams(GridView.AUTO_FIT, 70));
return textView;
}
};
gridViewID.setAdapter(adapterId);
gridViewDays.setAdapter(adapterDays);
// Horizontal scrolling of gridViewDays
LinearLayout.LayoutParams linearParams = (LinearLayout.LayoutParams) gridViewDays.getLayoutParams();
linearParams.width = 300;
gridViewDays.setLayoutParams(linearParams);
// Vertical scrolling...
gridViewID.setOnScrollListener(new AbsListView.OnScrollListener() {
@Override
public void onScrollStateChanged(AbsListView view, int scrollState) {
int firstVisibleItem = view.getFirstVisiblePosition();
gridViewID.setSelection(firstVisibleItem);
gridViewDays.setSelection(firstVisibleItem * 5);
}
@Override
public void onScroll(AbsListView view, int firstVisibleItem, int visibleItemCount, int totalItemCount) {
}
});
...
使用这些代码,当然,当我将手移出屏幕时,gridViewDays
gridview与gridViewID
的选择与下图相同:
然而,当我在屏幕上触摸以滚动gridViewID
时,gridViewDays
将如下图所示(在gridViewID
滚动时不会滚动)< / p>
那么,如何使gridViewDays
gridview垂直滚动与gridViewID
相同?我还尝试了一些方法,例如smoothScrollToPosition
,smoothScrollByOffset
,smoothScrollToPositionFromTop
......在onScroll
内,但它们不起作用
更新: 虽然下面的答案(@ vrundpurohit和我的)工作正常,但我发现应用程序的大数据表现不佳(我的意思是当数据列表有太多项目。)
答案 0 :(得分:1)
感谢@vrundpurohit的评论,我在S.O搜索了更多内容并找到了 @ dennisdrew的答案在 How to put GridView inside ScrollView
从那里开始,我使用了ExpandableHeightGridView
类的@tacone
Gridview height gets cut
解决我的问题。
我修改过的代码:
...
final ExpandableHeightGridView gridViewID = (ExpandableHeightGridView) findViewById(R.id.gridViewID);
final ExpandableHeightGridView gridViewDays = (ExpandableHeightGridView) findViewById(R.id.gridViewDays);
gridViewID.setExpanded(true);
gridViewDays.setExpanded(true);
...
布局文件:
<ScrollView xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:tools="http://schemas.android.com/tools"
android:layout_width="match_parent"
android:layout_height="match_parent"
tools:context="com.example.gridviews.MainActivity">
<LinearLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:orientation="horizontal">
<com.example.gridviews.ExpandableHeightGridView
android:id="@+id/gridViewID"
android:layout_width="50dp"
android:layout_height="wrap_content"
android:columnWidth="50dp"
android:horizontalSpacing="1dp"
android:numColumns="1"
android:stretchMode="columnWidth"
android:verticalSpacing="1dp" />
<HorizontalScrollView
android:id="@+id/horizontalScrollView"
android:layout_width="match_parent"
android:layout_height="wrap_content">
<LinearLayout
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:orientation="horizontal">
<com.example.gridviews.ExpandableHeightGridView
android:id="@+id/gridViewDays"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:columnWidth="100dp"
android:horizontalSpacing="1dp"
android:numColumns="5"
android:scrollbarStyle="outsideOverlay"
android:stretchMode="columnWidth"
android:verticalSpacing="1dp" />
</LinearLayout>
</HorizontalScrollView>
</LinearLayout>
</ScrollView>
谢谢大家!
答案 1 :(得分:1)
使用NonScrollGridView
。并将它们包装在单ScrollView
以下是NonScrollGridView
..
public class NonScrollGridView extends GridView {
public NonScrollGridView(Context context) {
super(context);
}
public NonScrollGridView(Context context, AttributeSet attrs) {
super(context, attrs);
}
public NonScrollGridView(Context context, AttributeSet attrs,
int defStyleAttr) {
super(context, attrs, defStyleAttr);
}
@Override
public void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {
int heightMeasureSpec_custom = MeasureSpec.makeMeasureSpec(
Integer.MAX_VALUE >> 2, MeasureSpec.AT_MOST);
super.onMeasure(widthMeasureSpec, heightMeasureSpec_custom);
ViewGroup.LayoutParams params = getLayoutParams();
params.height = getMeasuredHeight();
}
}
修改强> 以下是如何做到这一点。
<ScrollView android:id="@+id/scroll" ... >
<NonScrollGridView />
<RelativeLayout android:id="@+id/head1" ... >
<!-- header for 1st GridView -->
</RelativeLayout>
<HorizontalScrollView ... >
<HorizontalScrollView ... >
<NonScrollGridView />
<RelativeLayout android:id="@+id/head2" ... >
<!-- header for 1st GridView -->
</RelativeLayout>
</HorizontalScrollView>
</HorizontalScrollView>
</ScrollView>
现在让两个标题都变粘..执行以下操作。
scroll.getViewTreeObserver().addOnScrollChangedListener(
new ViewTreeObserver.OnScrollChangedListener() {
public void onScrollChanged() {
ViewCompat.setTranslationY(head1, who.getScrollY());
ViewCompat.setTranslationY(head2, who.getScrollY());
}
});
快乐编码..