维持查看翻转的列表视图状态 [英] Maintain the state of View Flipper in List View
问题描述
我有看法的脚蹼列表视图项,我在运行时加载的项目,以查看翻转。
问题:我的问题是,当我翻转意见特定行,当我滚动列表视图,这是翻转到右后设置一个特定的位置来看,丢失
在滚动中的所有行的观点鳍被重新初始化为0号状态。
下面是我的底座适配器:
公共类ListViewAdapter延伸BaseAdapter { 私人上下文的背景下;
私人的ArrayList< TypeOneDataClass> typeOneList;
私人LayoutInflater吹气;
公共静态的ArrayList< ViewPager> myPagers =新的ArrayList< ViewPager>();
私人的ArrayList<整数GT; myInnerList;
//公共静态的ArrayList< ArrayList的<整数GT;> myList中=新的ArrayList< ArrayList的<整数GT;>();
私人的ArrayList< FlipperPosition> myFlipList =新的ArrayList< FlipperPosition>(); 公共ListViewAdapter(上下文的背景下,
ArrayList的< TypeOneDataClass> typeOneList){
this.context =背景;
this.typeOneList = typeOneList;
吹气=(LayoutInflater)上下文
.getSystemService(Context.LAYOUT_INFLATER_SERVICE);
} @覆盖
公众诠释的getCount(){
// TODO自动生成方法存根
返回typeOneList.size();
} @覆盖
公共对象的getItem(INT位置){
// TODO自动生成方法存根
返回typeOneList.get(位置);
} @覆盖
众长getItemId(INT位置){
返回的位置;
} @覆盖
公众诠释getItemViewType(INT位置){
// TODO自动生成方法存根
返回IGNORE_ITEM_VIEW_TYPE;
} @覆盖
公共查看getView(最终诠释的立场,观点convertView,父母的ViewGroup){
ViewHolder持有人;
FlipperPosition flipperPosition;
如果(convertView == NULL){
持有人=新ViewHolder();
convertView = inflater.inflate(R.layout.list_item,空,假);
holder.viewFlipper =(ViewFlipper)convertView.findViewById(R.id.myFlipper);
的for(int i = 0; I< typeOneList.get(位置).getDetailsList()大小();我++){
视图V = inflater.inflate(R.layout.pager_item,NULL);
holder.viewFlipper.addView(五); 最终的TextView tv_name =(TextView中)v.findViewById(R.id.tv_name);
最终的TextView tv_fathersName =(TextView中)v.findViewById(R.id.tv_fathersname);
按钮btn_right =(按钮)v.findViewById(R.id.btn_right);
按钮btn_left =(按钮)v.findViewById(R.id.btn_left); 最后ViewHolder vHolder =持有人; btn_left.setOnClickListener(新View.OnClickListener(){
@覆盖
公共无效的onClick(视图v){
vHolder.viewFlipper.setInAnimation(背景下,R.anim.slide_in_left);
vHolder.viewFlipper.setOutAnimation(背景下,R.anim.slide_out_right);
vHolder.viewFlipper.show previous();
Toast.makeText(背景下,行+位置++ vHolder.viewFlipper.indexOfChild(vHolder.viewFlipper.getCurrentView()),0).show();
}
}); btn_right.setOnClickListener(新View.OnClickListener(){ @覆盖
公共无效的onClick(视图v){
vHolder.viewFlipper.setInAnimation(背景下,R.anim.slide_in_right);
vHolder.viewFlipper.setOutAnimation(背景下,R.anim.slide_out_left);
vHolder.viewFlipper.showNext();
INT indexofFliper = vHolder.viewFlipper.indexOfChild(vHolder.viewFlipper.getCurrentView());
Toast.makeText(背景下,行+位置++ indexofFliper,0).show();
}
}); tv_name.setText(typeOneList.get(位置).getName());
tv_fathersName.setText(typeOneList.get(position).getDetailsList().get(myFlipList.get(position).getFlipTermSet()).getFathersname());
}
convertView.setTag(保持器);
}其他{
支架=(ViewHolder)convertView.getTag();
}
返回convertView;
}
类ViewHolder {
ViewFlipper viewFlipper;
}
我不知道什么是 TypeOneDataClass
是的,但我建议增加一个额外的领域它,如:
INT lastDisplayed;
然后你就可以改变你的按钮来保存当前的状态:
btn_left.setOnClickListener(新View.OnClickListener(){
@覆盖
公共无效的onClick(视图v){
vHolder.viewFlipper.setInAnimation(背景下,R.anim.slide_in_left);
vHolder.viewFlipper.setOutAnimation(背景下,R.anim.slide_out_right);
vHolder.viewFlipper.show previous();
//保存状态
typeOneList.get(位置).lastDisplayed = vHolder.viewFlipper.getDisplayedChild();
}
});btn_right.setOnClickListener(新View.OnClickListener(){
@覆盖
公共无效的onClick(视图v){
vHolder.viewFlipper.setInAnimation(背景下,R.anim.slide_in_right);
vHolder.viewFlipper.setOutAnimation(背景下,R.anim.slide_out_left);
vHolder.viewFlipper.showNext();
//保存状态
typeOneList.get(位置).lastDisplayed = vHolder.viewFlipper.getDisplayedChild();
}
});
最后,你需要恢复状态,当行回来眼帘。
convertView.setTag(持有人);
//恢复状态
holder.viewFlipper.setDisplayedChild(typeOneList.get(位置).lastDisplayed);
}其他{
支架=(ViewHolder)convertView.getTag();
}
返回convertView;
I have view flipper as List View Item, and I load items to the View Flipper at runtime.
Problem : My problem is when I flip views to a particular row, and when I scroll the listview, the view which was set to a particular position after flipping to right, is lost.
On Scrolling the view flipper in all the rows are re-initialized to the 0th state.
Here is my Base Adapter:
public class ListViewAdapter extends BaseAdapter {
private Context context;
private ArrayList<TypeOneDataClass> typeOneList;
private LayoutInflater inflater;
public static ArrayList<ViewPager> myPagers = new ArrayList<ViewPager>();
private ArrayList<Integer> myInnerList;
//public static ArrayList<ArrayList<Integer>> myList = new ArrayList<ArrayList<Integer>>();
private ArrayList<FlipperPosition> myFlipList = new ArrayList<FlipperPosition>();
public ListViewAdapter(Context context,
ArrayList<TypeOneDataClass> typeOneList) {
this.context = context;
this.typeOneList = typeOneList;
inflater = (LayoutInflater) context
.getSystemService(Context.LAYOUT_INFLATER_SERVICE);
}
@Override
public int getCount() {
// TODO Auto-generated method stub
return typeOneList.size();
}
@Override
public Object getItem(int position) {
// TODO Auto-generated method stub
return typeOneList.get(position);
}
@Override
public long getItemId(int position) {
return position;
}
@Override
public int getItemViewType(int position) {
// TODO Auto-generated method stub
return IGNORE_ITEM_VIEW_TYPE;
}
@Override
public View getView(final int position, View convertView, ViewGroup parent) {
ViewHolder holder;
FlipperPosition flipperPosition;
if (convertView == null) {
holder = new ViewHolder();
convertView = inflater.inflate(R.layout.list_item, null, false);
holder.viewFlipper = (ViewFlipper)convertView.findViewById(R.id.myFlipper);
for(int i=0;i<typeOneList.get(position).getDetailsList().size();i++){
View v = inflater.inflate(R.layout.pager_item, null);
holder.viewFlipper.addView(v);
final TextView tv_name = (TextView)v.findViewById(R.id.tv_name);
final TextView tv_fathersName = (TextView)v.findViewById(R.id.tv_fathersname);
Button btn_right = (Button)v.findViewById(R.id.btn_right);
Button btn_left = (Button)v.findViewById(R.id.btn_left);
final ViewHolder vHolder = holder;
btn_left.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
vHolder.viewFlipper.setInAnimation(context, R.anim.slide_in_left);
vHolder.viewFlipper.setOutAnimation(context, R.anim.slide_out_right);
vHolder.viewFlipper.showPrevious();
Toast.makeText(context, "Row"+position+" "+vHolder.viewFlipper.indexOfChild(vHolder.viewFlipper.getCurrentView()), 0).show();
}
});
btn_right.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
vHolder.viewFlipper.setInAnimation(context, R.anim.slide_in_right);
vHolder.viewFlipper.setOutAnimation(context, R.anim.slide_out_left);
vHolder.viewFlipper.showNext();
int indexofFliper = vHolder.viewFlipper.indexOfChild(vHolder.viewFlipper.getCurrentView());
Toast.makeText(context, "Row"+position+" "+indexofFliper, 0).show();
}
});
tv_name.setText(typeOneList.get(position).getName());
tv_fathersName.setText(typeOneList.get(position).getDetailsList().get(myFlipList.get(position).getFlipTermSet()).getFathersname());
}
convertView.setTag(holder);
} else {
holder = (ViewHolder) convertView.getTag();
}
return convertView;
}
class ViewHolder {
ViewFlipper viewFlipper;
}
I don't know what a TypeOneDataClass
is, but I'd suggest adding an extra field to it, such as:
int lastDisplayed;
Then you can change your buttons to save the current state:
btn_left.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
vHolder.viewFlipper.setInAnimation(context, R.anim.slide_in_left);
vHolder.viewFlipper.setOutAnimation(context, R.anim.slide_out_right);
vHolder.viewFlipper.showPrevious();
// SAVE STATE
typeOneList.get(position).lastDisplayed = vHolder.viewFlipper.getDisplayedChild();
}
});
btn_right.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
vHolder.viewFlipper.setInAnimation(context, R.anim.slide_in_right);
vHolder.viewFlipper.setOutAnimation(context, R.anim.slide_out_left);
vHolder.viewFlipper.showNext();
// SAVE STATE
typeOneList.get(position).lastDisplayed = vHolder.viewFlipper.getDisplayedChild();
}
});
Finally, you need to restore that state when the row comes back into view.
convertView.setTag(holder);
// RESTORE STATE
holder.viewFlipper.setDisplayedChild(typeOneList.get(position).lastDisplayed);
} else {
holder = (ViewHolder) convertView.getTag();
}
return convertView;
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