我有一个ListView
动态膨胀的自定义布局,它有不同的文本视图和一个按钮。单击按钮时,用户在对话框窗口中指定选项,并将数据返回到列表视图中的选定项目。
我希望数据能够插入到列表视图中相应项目的文本视图中。但是,当列表中不可滚动的项目较少时,关闭对话框时根本不会插入任何数据,并且当它有足够的可滚动项目时,数据会插入到列表中错误项目的文本视图中。我不知道我做错了什么,这是我的代码:
public double COST_EM = 0.00, COST = 0.00, NUM_CO = 0.00;
private Spinner mPSpinner, mMediSpinner;
private ArrayAdapter<String> pmedi, numCo;
private TextView mPTv, mCoTv, mSubMain, mSubTv;
@Override
public View getView(final int position, View convertView,
ViewGroup parent) {
View view = null;
LayoutInflater inflater = (LayoutInflater) mContext
.getSystemService(Activity.LAYOUT_INFLATER_SERVICE);
view = inflater.inflate(R.layout.item_custom_layout, parent, false);
// Display image in the ImageView widget
TempP tphoto = tempPList.get(position);
mPTv = (TextView) view.findViewById(R.id.p_tv_po);
mCoTv = (TextView) view.findViewById(R.id.co_tv_po);
mSubMain = (TextView) view.findViewById(R.id.sub_list);
mModify = (Button) view.findViewById(R.id.modify_btn_po);
mModify.setOnClickListener(new View.OnClickListener() {
// calculate the order cost
protected void calculateCost() {
mSub = ((COST_EM + COST) * NUM_CO);
mSubtv.setText("" + Double.toString(mSub));
}
@Override
public void onClick(View v) {
mDialog = new Dialog(PCustom.this);
mDialog.setContentView(R.layout.item_custom_dialog);
mDialog.setTitle("Modify specifications");
mPSpinner = (Spinner) mDialog.findViewById(R.id.ces_sp_dialog);
mSubTv = (TextView) mDialog.findViewById(R.id.sub_der_dialog);
// set spinner adapters (code truncated for brevity)
pmedi = new ArrayAdapter<String>(MyApplication
.getContext(), R.layout.spinner_style, pmedi);
mPSpinner.setAdapter(pmedi);
mPSpinner
.setOnItemSelectedListener(new OnItemSelectedListener() {
public void onItemSelected(AdapterView<?> arg0,
View arg1, int pos, long arg3) {
if (mPSpinner.getSelectedItem() == "Glossy") {
COST = 2000.00;
} else if (mPSpinner
.getSelectedItem() == "Standard") {
COST = 1500.00;
} else if (mPSpinner
.getSelectedItem() == "Other") {
COST = 1000.00;
}
// calculate the cost
calculateCost();
}
public void onNothingSelected(
AdapterView<?> arg0) {
}
});
Button save = (Button) mDialog
.findViewById(R.id.save_btn_po_dialog);
Button cancel = (Button) mDialog
.findViewById(R.id.cancel_btn_po_dialog);
save.setOnClickListener(new View.OnClickListener() {
public void onClick(View v) {
// String newnumber =
// mobileNumber.getText().toString();
mPTv.setText("" + mPSpinner
.getSelectedItem());
mCoTv.setText((String) mNCoSpinner
.getSelectedItem());
mSubMain.setText(Double.toString(mSub));
mDialog.dismiss();
}
});
cancel.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
mDialog.dismiss();
}
});
mDialog.show();
}
});
return view;
}