解决方案:重写BaseAdapter,然后自行获取ListView中每行输入的EditText值
大概算法:重写BaseAdaptergetView函数,用一个数组存储EditText中的值,根据position即数组下标,在getView中动态更新EditText和动态获取EditText中的值因为ListView中的item是复用的,如果不动态清空或动态获取EditText中值,就会出现数据紊乱,或者没数据那么在生成EditText的时候要监控其值的变化存储下来
举例代码:
package comexmythandroid;public class ListEditorAdapter extends BaseAdapter {
private LayoutInflater mInflater;
private List<Map<String, Object>> mData;// 存储的EditText值
public Map<String, String> editorValue = new HashMap<String, String>();//
public ListEditorAdapter(Context context, List<Map<String, Object>> data) {
mData = data;
mInflater = LayoutInflaterfrom(context);
init();
}
// 初始化
private void init() {
editorValueclear();
}
@Override
public int getCount() {
return mDatasize();
}
@Override
public Object getItem(int position) {
return null;
}
@Override
public long getItemId(int position) {
return 0;
}
private Integer index = -1;
@Override
public View getView(int position, View convertView, ViewGroup parent) {
ViewHolder holder = null;
// convertView为null的时候初始化convertView。
if (convertView == null) {
holder = new ViewHolder();
convertView = mInflaterinflate(Rlayoutlistview_item, null);
holdername = (TextView) convertView
findViewById(Ridlist_item_name);
holdertitle = (TextView) convertView
findViewById(Ridlist_item_title);
holdervalue = (EditText) convertView
findViewById(Ridlist_item_inputvalue);
holdervaluesetTag(position);
holderuserkey = (TextView) convertViewfindViewById(Riduser_key);
holdervaluesetOnTouchListener(new OnTouchListener() {
@Override
public boolean onTouch(View v, MotionEvent event) {
if (eventgetAction() == MotionEventACTION_UP) {
index = (Integer) vgetTag();
}
return false;
}
});
class MyTextWatcher implements TextWatcher {
public MyTextWatcher(ViewHolder holder) {
mHolder = holder;
}
private ViewHolder mHolder;
@Override
public void onTextChanged(CharSequence s, int start,
int before, int count) {
}
@Override
public void beforeTextChanged(CharSequence s, int start,
int count, int after) {
}
@Override
public void afterTextChanged(Editable s) {
if (s != null && !""equals(stoString())) {
int position = (Integer) mHoldervaluegetTag();
mDataget(position)put("list_item_inputvalue",
stoString());// 当EditText数据发生改变的时候存到data变量中
}
}
}
holdervalueaddTextChangedListener(new MyTextWatcher(holder));
convertViewsetTag(holder);
} else {
holder = (ViewHolder) convertViewgetTag();
holdervaluesetTag(position);
}
Object value = mDataget(position)get("list_item_name");
if (value != null) {
holdernamesetText((String) value);
}
value = mDataget(position)get("list_item_title");
if (value != null) {
holdertitlesetText(valuetoString());
}
value = mDataget(position)get("user_key");
if (value != null) {
holderuserkeysetText(valuetoString());
} else {
holderuserkeysetText("-1");
}
value = mDataget(position)get("list_item_inputvalue");
if (value != null && !""equals(value)) {
holdervaluesetText(valuetoString());
} else {
String key = mDataget(position)get("user_key")toString();
String inputValue = editorValueget(key);
holdervaluesetText(inputValue);
}
holdervalueclearFocus();
if (index != -1 && index == position) {
holdervaluerequestFocus();
}
return convertView;
}
public final class ViewHolder {
public TextView name;
public TextView title;
public EditText value;// ListView中的输入
public TextView userkey;// 用来定义的标志性主键,可不用关心
}
}
GetItemText有好几个重载函数,但没有返回值是LPCTSTR类型的函数,之所以能运行成功,是因为其中有返回会是int的函数,int是可以转换成指针的,但是里面保存的并不是值。
最简单的方法是用CString接收返回值,,如:
CString str1,str2,str3;
str1=m_listctrl_areaGetItemText(0,0);
str2=m_listctrl_areaGetItemText(0,1);
str3=m_listctrl_areaGetItemText(0,2);
即可,至于使用指针的方法,可以使用下面的代码:
LPTSTR str1, str2, str3;
m_listctrl_areaGetItemText(0, 1, str1, 10);
m_listctrl_areaGetItemText(0, 2, str2, 10);
m_listctrl_areaGetItemText(0, 3, str3, 10);
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