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99 lines
3.7 KiB
C++
Executable File
99 lines
3.7 KiB
C++
Executable File
#include<cdroid.h>
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#include<widget/listview.h>
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#include<widget/gridview.h>
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#include<widget/scrollview.h>
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#include<widget/spinner.h>
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#include<widget/horizontalscrollview.h>
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#include<widget/simplemonthview.h>
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#include<widgetEx/viewpager2.h>
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#include<animations.h>
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#include<drawables.h>
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#include<cdlog.h>
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class MyPagerAdapter:public RecyclerView::Adapter,RecyclerView::AdapterDataObserver{
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private:
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std::vector<std::string> items;
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RecyclerView*mRV;
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public:
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class ViewHolder:public RecyclerView::ViewHolder {
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public:
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TextView* textView;
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ViewHolder(View* itemView):RecyclerView::ViewHolder(itemView){
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textView =(TextView*)itemView;// (itemView.findViewById(R.id.textView)
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}
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};
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MyPagerAdapter(){
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registerAdapterDataObserver(this);
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}
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MyPagerAdapter(const std::vector<std::string>& items) {
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this->items = items;
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}
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MyPagerAdapter::ViewHolder* onCreateViewHolder(ViewGroup* parent, int viewType) {
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TextView* view = new TextView("",-1,-1);
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view->setBackgroundColor(0xff234567);
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//view->setGravity(Gravity::CENTER);
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view->setLayoutParams(new LayoutParams(LayoutParams::MATCH_PARENT,LayoutParams::MATCH_PARENT));
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return new ViewHolder(view);
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}
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void onBindViewHolder(RecyclerView::ViewHolder& holder, int position)override{
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std::string item = items.at(position);
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TextView*textView = ((MyPagerAdapter::ViewHolder&)holder).textView;
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textView->setText(std::string("Text ")+std::to_string(position));
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textView->setId(position);
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textView->setOnClickListener([position](View&v){
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RecyclerView*rv = (RecyclerView*)v.getParent();
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RecyclerView::LayoutManager*mgr = rv->getLayoutManager();
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RecyclerView::LayoutParams*lp=(RecyclerView::LayoutParams*)v.getLayoutParams();
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int pos= mgr->getPosition(&v);
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LOGD("click item positon=%d holder lp",position,lp);
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});
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}
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void add(const std::string&str){
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items.push_back(str);
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}
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int getItemCount()override {
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return items.size();
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}
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long getItemId(int position)override {return position;}
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void onItemRangeChanged(int positionStart, int itemCount, Object* payload)override{
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LOGV("positionStart=%d itemCount=%d",positionStart,itemCount);
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}
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void onItemRangeInserted(int positionStart, int itemCount)override{
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LOGV("positionStart=%d itemCount=%d",positionStart,itemCount);
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}
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};
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int main(int argc,const char*argv[]){
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App app(argc,argv);
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Window*w=new Window(0,0,-1,-1);
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MyPagerAdapter*pgAdapter=new MyPagerAdapter();
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w->setId(0);
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for(int i=0;i<50;i++)pgAdapter->add("");
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int optionid=0;
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RECT rect;
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if(argc>1)optionid=std::atoi(argv[1]);
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w->setBackgroundColor(0xFFFF0000);
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AbsListView::OnScrollListener ons={nullptr,nullptr};
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ons.onScroll=[](AbsListView&lv,int firstVisibleItem,int visibleItemCount, int totalItemCount){
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LOGV("firstVisibleItem=%d visibleItemCount=%d totalItemCount=%d",firstVisibleItem,visibleItemCount,totalItemCount);
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};
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ons.onScrollStateChanged=[](AbsListView& view, int scrollState){
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LOGV("scrollState=%d",scrollState);
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};
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ViewPager2*pager=new ViewPager2(-1,-1);
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pager->setHorizontalFadingEdgeEnabled(true);
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pager->setFadingEdgeLength(200);
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pager->setOffscreenPageLimit(5);//must >1(This value must >=(the visible view count)+2)
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pager->setAdapter(pgAdapter);
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pager->setOverScrollMode(View::OVER_SCROLL_ALWAYS);
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pgAdapter->notifyDataSetChanged();
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pager->setCurrentItem(0);//must setcurrentitem,the default item is -1.
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w->addView(pager);
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w->requestLayout();
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app.exec();
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}
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