通過繼承BaseAdapter寫一個子類，可以創建自定義列表視圖：
| public class MyListAdapter extends BaseAdapter { ????private LayoutInflater mInflater;//聲明一個LayoutInflater類變量 ????private Context mContext;//聲明一個Context類變量 ????private List<Map<String,String>> mitem;//聲明一個元素為<Map<String,String>>類型的List對象，存儲testitem的值 ????private Map<String,Integer> selectedtestItem = new HashMap<String,Integer>();//聲明一個Map對象，用HashMap來實現 ????private List<Map<String, String>> mData; // 聲明一個元素為<Map<String,String>>類型的List對象，存儲的editTex值 ????private Map<String, String> editorValue = new HashMap<String, String>();//聲明一個Map對象，用HashMap來實現 ????private List<Map<String,String>> mParameter;//用于保存parameter_edit參數值 ????//private static HashMap<Integer, Boolean> isSelected;//聲明一個HashMap<Integer,Boolean>類型的變量 ????private String[] testItems; ????private String promptForSpinner[] = {"0","1","2","3","4","5","6","7","8","9","10","11","12","13","14","15","16","17","18","19"}; ???? ????public MyListAdapter(Context context,String[] testItems) {//構造函數 ????????// TODO Auto-generated constructor stub ????????mInflater = LayoutInflater.from(context);//獲得LayoutInflater ????????this.testItems = testItems; ????????puttestitemName(); ????} ????private void puttestitemName() ????{ ????????for (String str : promptForSpinner) { ????????????selectedtestItem.put(str,0); ????????} ????????/*for(int i=0;i<20;i++){ ????????????selectedtestItem.put("list_item_Name", 0);//allValues保存以項目名稱為鍵值、0為數值的一系列成對的數據 ????????}*/ ????} ????public void setData( List<Map<String, String>> data) {//初始化Lisr類型的對象 ????????mData = data; ????????mParameter=data; ????????init(); ????} ????private void init() {//實現初始化List類型的對象的方法 ????????editorValue.clear(); ????????/*isSelected = new HashMap<Integer, Boolean>(); ????????if (mData != null) { ????????????for (int i = 0; i < mData.size(); i++) { ????????????????isSelected.put(i, false); ????????????} ????????}*/ ????} ????public Map<String,Integer> getSelectedtestItem() ????{ ????return selectedtestItem; ????} ???? ????public List<Map<String,String>> getmData() ????{ ????return mData; ????} ????public List<Map<String,String>> getmParameter() ????{ ????????return mParameter; ????} ????@Override ????public int getCount() {//獲得List類型對象的長度； ????????// TODO Auto-generated method stub ????????if (mData != null) { ????????????return mData.size(); ????????} ????????return 0; ????} ????@Override ????public Object getItem(int position) { ????????// TODO Auto-generated method stub ????????return null; ????} ????@Override ????public long getItemId(int position) { ????????// TODO Auto-generated method stub ????????return 0; ????} ????private Integer index = -1;//聲明并初始化一個整型變量index //Adapter是ListView界面與數據之間的橋梁。當列表里的每一項要顯示時，都會調用Adapter的getView方法返回一個View。 ????@Override ????public View getView(final int position, View convertView, ViewGroup parent) { ????????// TODO Auto-generated method stub ????????Log.d("zhang", "position = " + position);//Log.d的輸出顏色是藍色的，僅輸出debug調試的意思，但他會輸出上層的信息，過濾起來可以通過DDMS的Logcat標簽來選擇. ????????final ViewHolder holder; ????????if (convertView == null) { ????????????convertView = mInflater.inflate(R.layout.listitem, null);//實例化R.layout.list為converView的View對象 ????????????holder = new ViewHolder();//ViewHolder就是一個靜態類，使用它緩存了數據的視圖（View），加快UI的響應速度。 ????????????//holder.checkBox = (CheckBox) convertView ????????????????????//.findViewById(R.id.checkbox); ???????????? ????????????holder.testitemSpinner = (Spinner)convertView.findViewById(R.id.testitems_select); ????????????//if(holder.testitemSpinner.getCount()==0) ????????????//if(holder.testitemSpinner.getPrompt()==null) ????????????//{ ????????????????ArrayAdapter<String> a = new ArrayAdapter<String>( ????????????????convertView.getContext(),android.R.layout.simple_spinner_item,testItems); ????????????????holder.testitemSpinner.setAdapter(a); ????????????//} ????????????//holder.testitemSpinner.setTag(position); ????????????holder.testitemSpinner ????????????.setOnItemSelectedListener(new ItemClickSelectListener( ????????????????????holder));//為checkinfo_item_value(Spinner)添加ItemSelectedListener監聽器 ????????????holder.unit_text = (TextView) convertView.findViewById(R.id.unit_text); ????????????//holder.textView = (TextView) convertView.findViewById(R.id.text); ????????????holder.downbtn = (Button) convertView.findViewById(R.id.downbtn); ????????????holder.downbtn.setFocusable(false); ????????????holder.downbtn.setFocusableInTouchMode(false); ????????????holder.upbtn = (Button) convertView.findViewById(R.id.upbtn); ????????????holder.upbtn.setFocusable(false); ????????????holder.upbtn.setFocusableInTouchMode(false); ????????????holder.editbtn = (Button)convertView.findViewById(R.id.editbtn); ????????????holder.editbtn.setFocusable(false); ????????????holder.editbtn.setFocusableInTouchMode(false); ????????????/*times_edit控件*/ ????????????holder.numEdit = (EditText) convertView.findViewById(R.id.times_edit); ????????????holder.numEdit.setTag(position);//給numEdit添加一個格外的數據，使用getTag（）可將數據取出； ????????????holder.numEdit.setOnTouchListener(new OnTouchListener() { ????????????????@Override ????????????????public boolean onTouch(View v, MotionEvent event) { ????????????????????// TODO Auto-generated method stub ????????????????????if (event.getAction() == MotionEvent.ACTION_UP) { ????????????????????????index = (Integer) v.getTag(); ????????????????????} ????????????????????return false; ????????????????} ????????????}); ????????????/***********/ ????????????/*parameter_edti控件*/ ????????????holder.paraEdit = (EditText) convertView.findViewById(R.id.parameter_edit); ????????????holder.paraEdit.setTag(position);//給numEdit添加一個格外的數據，使用getTag（）可將數據取出； ????????????holder.paraEdit.setOnTouchListener(new OnTouchListener() { ????????????????@Override ????????????????public boolean onTouch(View v, MotionEvent event) { ????????????????????// TODO Auto-generated method stub ????????????????????if (event.getAction() == MotionEvent.ACTION_UP) { ????????????????????????index = (Integer) v.getTag(); ????????????????????} ????????????????????return false; ????????????????} ????????????}); ????????????/*******/ ????????????/*為times_edit控件添加編輯響應*/ ????????????class MyTextWatcher implements TextWatcher { ? ????????????????public MyTextWatcher(ViewHolder holder) { ????????????????????mHolder = holder; ????????????????} ????????????????private ViewHolder mHolder; ????????????????@Override ????????????????public void beforeTextChanged(CharSequence s, int start, ????????????????????????int count, int after) { ????????????????????// TODO Auto-generated method stub ? ????????????????} ????????????????@Override ????????????????public void onTextChanged(CharSequence s, int start, ????????????????????????int before, int count) { ????????????????????// TODO Auto-generated method stub ????????????????} ????????????????@Override ????????????????public void afterTextChanged(Editable s) { ????????????????????// TODO Auto-generated method stub ????????????????????if (s != null && !"".equals(s.toString())) { ????????????????????????int position = (Integer) mHolder.numEdit.getTag(); ????????????????????????// 當EditText數據發生改變的時候存到data變量中 ????????????????????????mData.get(position).put("list_item_timesvalue", ????????????????????????????????s.toString()); ????????????????????} ????????????????} ????????????} ????????????holder.numEdit.addTextChangedListener(new MyTextWatcher(holder)); ????????????/*********/ ????????????/*為parameter_edit控件添加編輯響應*/ ????????????class ParaTextWatcher implements TextWatcher { ????????????????public ParaTextWatcher(ViewHolder holder) { ????????????????????mHolder = holder; ????????????????} ????????????????private ViewHolder mHolder; ????????????????@Override ????????????????public void beforeTextChanged(CharSequence s, int start, ????????????????????????int count, int after) { ????????????????????// TODO Auto-generated method stub ? ????????????????} ????????????????@Override ????????????????public void onTextChanged(CharSequence s, int start, ????????????????????????int before, int count) { ????????????????????// TODO Auto-generated method stub ? ????????????????} ????????????????@Override ????????????????public void afterTextChanged(Editable s) { ????????????????????// TODO Auto-generated method stub ????????????????????if (s != null && !"".equals(s.toString())) { ????????????????????????int position = (Integer) mHolder.numEdit.getTag(); ????????????????????????// 當EditText數據發生改變的時候存到data變量中 ????????????????????????mParameter.get(position).put("list_item_parameter", ????????????????????????????????s.toString()); ????????????????????} ????????????????} ????????????} ????????????holder.paraEdit.addTextChangedListener(new ParaTextWatcher(holder)); ????????????/********/ ????????????holder.downbtn.setOnClickListener(new OnClickListener() { ????????????????@Override ????????????????public void onClick(View v) { ????????????????????// TODO Auto-generated method stub ????????????????????int position = (Integer) holder.numEdit.getTag(); ????????????????????Log.d("zhang", "clickposition = " + position); ????????????????????String edittextStr = holder.numEdit.getText().toString(); ????????????????????int num = Integer.parseInt(edittextStr); ????????????????????num--; ????????????????????mData.get(position).put("list_item_timesvalue", num+""); ????????????????????holder.numEdit.setText(num+""); ????????????????} ????????????}); ????????????holder.upbtn.setOnClickListener(new OnClickListener() { ????????????????@Override ????????????????public void onClick(View v) { ????????????????????// TODO Auto-generated method stub ????????????????????int position = (Integer) holder.numEdit.getTag(); ????????????????????String edittextStr = holder.numEdit.getText().toString(); ????????????????????int num = Integer.parseInt(edittextStr); ????????????????????num++; ????????????????????mData.get(position).put("list_item_timesvalue", num+""); ????????????????????holder.numEdit.setText(num+""); ????????????????} ????????????}); ????????????convertView.setTag(holder); ????????} else { ????????????holder = (ViewHolder) convertView.getTag(); ????????????holder.numEdit.setTag(position); ????????????holder.paraEdit.setTag(position); ????????} ????????/*holder.checkBox.setOnCheckedChangeListener(new OnCheckedChangeListener() { ???????????? ????????????@Override ????????????public void onCheckedChanged(CompoundButton buttonView, boolean isChecked) { ????????????????// TODO Auto-generated method stub ????????????????int position = (Integer) holder.numEdit.getTag(); ????????????????isSelected.put(position, isChecked);//將對應position鍵值的數值設置為isChecked（）返回的值 ????????????} ????????}); ????????holder.checkBox.setChecked(isSelected.get(position));//更新CheckBox的選擇狀態*/ ????????holder.testitemSpinner.setPrompt(promptForSpinner[position]); ????????int spinnerOptionPosition = selectedtestItem.get(promptForSpinner[position]); ????????holder.testitemSpinner.setSelection(spinnerOptionPosition); ????????//if ((spinnerOptionPosition==4)||(spinnerOptionPosition==5)) ????????????//holder.unit_text.setText("hz"); ????????//else ????????????//holder.unit_text.setText("__"); ???????? ????????Object value = mData.get(position).get("list_item_timesvalue"); ????????if (value != null && !"".equals(value)) { ????????????holder.numEdit.setText(value.toString()); ????????} else { ????????????holder.numEdit.setText("200"); ????????} ????????holder.numEdit.clearFocus(); ????????if (index != -1 && index == position) { ????????????holder.numEdit.requestFocus(); ????????} ????????Object value2 = mParameter.get(position).get("list_item_parameter"); ????????if (value2 != null && !"".equals(value2)) { ????????????holder.paraEdit.setText(value2.toString()); ????????} else { ????????????holder.paraEdit.setText("200"); ????????} ????????holder.paraEdit.clearFocus(); ????????if (index != -1 && index == position) { ????????????holder.paraEdit.requestFocus(); ????????} ????????return convertView; ????} ???? ????/*public HashMap<Integer,Boolean> getIsSelected() { return isSelected; }*/ ? /*public void setIsSelected(HashMap<Integer,Boolean> isSelected) { this.isSelected = isSelected; }*/ ????public class ViewHolder { ????????Spinner testitemSpinner; ????????Button editbtn; ????????Button downbtn; ????????EditText numEdit; ????????EditText paraEdit; ????????TextView unit_text; ????????Button upbtn; ? ????} ????private class ItemClickSelectListener implements OnItemSelectedListener { ????????//Spinner testitemSpinner; ????????ViewHolder Iholder; ????????//EditText Iedit; ????????public ItemClickSelectListener(ViewHolder holder) { ????????????//this.testitemSpinner = testitemSpinner; ????????????this.Iholder = holder; ????????} ????????@Override ????????public void onItemSelected(AdapterView<?> parent, View view, ????????????????int position, long id) { ????????????//關鍵代碼 ????????????selectedtestItem.put(Iholder.testitemSpinner.getPrompt().toString(), position); ????????????/*根據所選的測試項目，改變第二參數的不同單位和信息*/ ????????????if((position==4)||(position==5)) ????????????????Iholder.unit_text.setText("hz"); ????????????else ????????????????Iholder.unit_text.setText("un"); ????????????if((position==0)||(position==1)||(position==2)||(position==6)||(position==7)||(position==8)) ????????????????{ ????????????????//Iholder.paraEdit.setText("null"); ????????????????Iholder.paraEdit.setVisibility(View.INVISIBLE); ????????????????Iholder.unit_text.setVisibility(View.INVISIBLE); ????????????????} ????????????else ????????????????{ ????????????????//Iholder.paraEdit.setText("200"); ????????????????Iholder.paraEdit.setVisibility(View.VISIBLE); ????????????????Iholder.unit_text.setVisibility(View.VISIBLE); ????????????????} ????????????/***********/ ????????????if(position==8) ????????????????Iholder.editbtn.setVisibility(View.VISIBLE); ????????????else ????????????????Iholder.editbtn.setVisibility(View.INVISIBLE); ? ????????????//int p = (Integer) testitemSpinner.getTag(); ????????????//selectedtestItem.get(p).put("list_item_Name", ????????????????????//position); ????????} ????????@Override ????????public void onNothingSelected(AdapterView<?> arg0) { ????????} ????} } |
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| ListView listView = (ListView) findViewById(R.id.list); MyListAdapter mAdapter = new MyListAdapter(this,testItems);//testItems是一個String數組； listView.setAdapter(mAdapter); |
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