PopupWindow+RecyclerView实现上下滑动框功能

2023-09-09 21:59:04 72

本文实例为大家分享了PopupWindow+RecyclerView实现上下滑动框功能的具体代码，供大家参考，具体内容如下

1.新建一个适配器继承自RecyclerView.Adapter

packageaud.hik.com.audiorecordtool;

importandroid.support.v7.widget.RecyclerView;
importandroid.view.LayoutInflater;
importandroid.view.View;
importandroid.view.ViewGroup;
importandroid.widget.TextView;

importjava.util.List;

publicclassFileListAdapterextendsRecyclerView.Adapter{
privatefinalStringTAG="FileListAdapter";
privateListmFileList=null;
privateOnItemClickListenermOnItemClickListener=null;
staticclassViewHolderextendsRecyclerView.ViewHolder{
TextViewfileNameView;

publicViewHolder(Viewview){
super(view);
fileNameView=(TextView)view.findViewById(R.id.file_name);
}
}

publicFileListAdapter(ListfileList){
this.mFileList=fileList;
}

//加载item的布局创建ViewHolder实例
@Override
publicViewHolderonCreateViewHolder(ViewGroupparent,intviewType){
Viewview=LayoutInflater.from(parent.getContext()).inflate(R.layout.item,parent,false);//加载view布局文件
ViewHolderholder=newViewHolder(view);
returnholder;
}

//对RecyclerView子项数据进行赋值
@Override
publicvoidonBindViewHolder(ViewHolderholder,intposition){
if(null==holder)
{
MyLog.LOGE(TAG,"Holderisnull");
return;
}
finalStringfileName=mFileList.get(position);
MyLog.LOGI(TAG,"filename="+fileName+"filenameview="+holder.fileNameView);
holder.fileNameView.setText(fileName);

finalinttempPosition=position;

if(null!=mOnItemClickListener)
{
holder.itemView.setOnClickListener(newView.OnClickListener(){

@Override
publicvoidonClick(Viewv){
mOnItemClickListener.onClickItem(tempPosition,fileName);
}
});

//holder.itemView.setOnLongClickListener(newView.OnLongClickListener(){
//@Override
//publicbooleanonLongClick(Viewv){
//mOnItemClickListener.onLongClick(tempPosition,fileName);
//returnfalse;
//}
//});
}
}

//返回子项个数
@Override
publicintgetItemCount(){
returnmFileList.size();
}


publicinterfaceOnItemClickListener{
voidonClickItem(intposition,StringfileName);
//voidonLongClickItem(intposition,StringfileName);
}


publicvoidsetOnItemClickListener(OnItemClickListeneronItemClickListener){
this.mOnItemClickListener=onItemClickListener;
}
}

2.mainactivity中需要调用的方法

privatevoidshowPopupWindow(){
Viewview=LayoutInflater.from(this).inflate(R.layout.pop_window,null);
//初始化List数据
mVecFile=getFileName(TEXT_READ);
//初始化RecyclerView
RecyclerViewrecyslerview=(RecyclerView)view.findViewById(R.id.recycler_view);
//创建LinearLayoutManager对象这里使用LinearLayoutManager是线性布局的意思
LinearLayoutManagerlayoutmanager=newLinearLayoutManager(this);
//设置RecyclerView布局
recyslerview.setLayoutManager(layoutmanager);
//设置Adapter
FileListAdapteradapter=newFileListAdapter(mVecFile);

adapter.setOnItemClickListener(newFileListAdapter.OnItemClickListener(){
//@Override
//publicvoidonLongClickItem(intposition,StringfileName){
//Toast.makeText(AudioRecordActivity.this,"onLongClick事件您点击了第："+position+"个Item",Toast.LENGTH_SHORT).show();
//}

@Override
publicvoidonClickItem(intposition,StringfileName){
mTextName=fileName;
mEdiTxtName.setText(mTextName);
StringmTextPath=TEXT_READ+"/"+mTextName;
//Filefile=newFile(path);
Toast.makeText(AudioRecordActivity.this,mTextPath,Toast.LENGTH_SHORT).show();

mList=newArrayList<>();
try{
FileReaderfr=newFileReader(mTextPath);
BufferedReaderbr=newBufferedReader(fr);//以行的方式读取文件
Stringstr=null;
while(null!=(str=br.readLine()))
{
mList.add(str);
MyLog.LOGI(TAG,str);
}
fr.close();
br.close();
}
catch(FileNotFoundExceptione)
{
e.printStackTrace();
}
catch(IOExceptione){
e.printStackTrace();
}

MyLog.LOGI(TAG,"listsize="+mList.size());
if(0!=mList.size())
{
mTextView.setText(mList.get(mListIndex));
}
else
{
return;
}
}
});
recyslerview.setAdapter(adapter);

//解决android7.0以上手机的适配问题
PopupWindowpopupWindow=newPopupWindow(view,LinearLayout.LayoutParams.MATCH_PARENT,LinearLayout.LayoutParams.WRAP_CONTENT){
@Override
publicvoidshowAsDropDown(Viewanchor){
if(Build.VERSION.SDK_INT>=24){
RectvisibleFrame=newRect();
anchor.getGlobalVisibleRect(visibleFrame);
intheight=anchor.getResources().getDisplayMetrics().heightPixels-visibleFrame.bottom;
setHeight(height);
}
super.showAsDropDown(anchor);
}

@Override
publicvoidshowAsDropDown(Viewanchor,intxoff,intyoff){
if(Build.VERSION.SDK_INT>=24){
Rectrect=newRect();
anchor.getGlobalVisibleRect(rect);
inth=anchor.getResources().getDisplayMetrics().heightPixels-rect.bottom;
setHeight(h);
}
super.showAsDropDown(anchor,xoff,yoff);
}
};
ColorDrawabledw=newColorDrawable(0x10000000);
popupWindow.setBackgroundDrawable(dw);
popupWindow.setOutsideTouchable(true);
popupWindow.setFocusable(true);

popupWindow.showAsDropDown(mEdiTxtName);
}

3.item.xml

4.pop_window.xml

以上就是本文的全部内容，希望对大家的学习有所帮助，也希望大家多多支持毛票票。

PopupWindow+RecyclerView实现上下滑动框功能

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