我正在使用android微调器，陷入了一个简单的问题，但尝试了很多却无法解决。 spinner.setselection不起作用。 这是代码。完整的代码不错，但是代码中的问题仅在于edDealerID。我使用包含简单硬编码值的简单字符串Array为其设置了适配器，但是当我选择setselection（1）后，它给了我ArrayIndexOutOfBound错误：length = 1;索引= 1。 请有人帮我。 预先感谢。
package com.example.younastraders.tabsreturn;
import android.content.Intent;
import android.database.Cursor;
import android.graphics.Color;
import android.os.Bundle;
import androidx.annotation.Nullable;
import androidx.fragment.app.Fragment;
import androidx.lifecycle.Observer;
import android.text.Editable;
import android.text.InputFilter;
import android.text.InputType;
import android.text.TextWatcher;
import android.text.method.ScrollingMovementMethod;
import android.util.TypedValue;
import android.view.Gravity;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.AdapterView;
import android.widget.ArrayAdapter;
import android.widget.Button;
import android.widget.EditText;
import android.widget.LinearLayout;
import android.widget.ProgressBar;
import android.widget.Spinner;
import android.widget.TextView;
import android.widget.Toast;
import com.example.younastraders.DealersAndProductsInfo;
import com.example.younastraders.GetData;
import com.example.younastraders.GlobalVariables;
import com.example.younastraders.InputFilterMinMax;
import com.example.younastraders.R;
import com.example.younastraders.SendData;
import com.toptoche.searchablespinnerlibrary.SearchableSpinner;
import java.util.ArrayList;
/**
* A simple {@link Fragment} subclass.
* Use the {@link AddReturnFragment#newInstance} factory method to
* create an instance of this fragment.
*/
public class AddReturnFragment extends Fragment {
// TODO: Rename parameter arguments, choose names that match
// the fragment initialization parameters, e.g. ARG_ITEM_NUMBER
private static final String ARG_PARAM1 = "param1";
private static final String ARG_PARAM2 = "param2";
int extraCount;
int maxExtraProducts = 50;
float orderPrice = 0;
String bonus = "";
float discount = 0;
float finalPrice = 0;
Button btnSubmitOrder;
Button btnSaveOrder;
SearchableSpinner edDealerID;
SearchableSpinner[] orgProducts;
EditText[] orgqQuantity;
Spinner[] orgUnit;
LinearLayout[] subLayout;
LinearLayout[] subLayoutDetail1;
LinearLayout[] subLayoutDetail2;
SearchableSpinner[] extraProducts;
SearchableSpinner[] extraBatch;
SearchableSpinner[] returnReason;
EditText[] extraQuantity;
EditText[] extraDiscount;
Spinner[] extraUnits;
Button[] extraOpBtn;
ProgressBar edProgress;
SendData objSendData;
Button btnAdd;
EditText edOrderPrice;
EditText edCashReturn;
ArrayAdapter<String> dealerAdapter;
ArrayAdapter<String> productAdapter;
ArrayAdapter<String> unitAdapter;
ArrayAdapter<String> returnAdapter;
ArrayAdapter<String> batchAdapter[];
LinearLayout lv;
public String[] dealersId;
public String[] dealersName;
public String[] dealersAddress;
public String[] productsIds;
public String[] productsName;
public float[] productsPrice;
private ArrayList<ArrayList<String>> batchwiseStock;
private ArrayList<String> batchProductIds;
GetData objGetData;
String[] batchIds;
String stDate;
String stTime;
String send_dealerId;
String send_productIds = "";
String send_quantities = "";
String send_batchno = "";
String send_return_price = "";
String send_unit = "";
String send_return_reason = "";
String send_cash_return = "";
float returnTotalPrice = 0.0f;
Boolean editPrevious = false;
String editReturnId;
String editDealerId;
String editProductId;
String editBatch;
String editQuantity;
String editUnit;
String editReason;
String editReturnPrice;
String editCashReturn;
// TODO: Rename and change types of parameters
private String mParam1;
private String mParam2;
public AddReturnFragment() {
// Required empty public constructor
}
/**
* Use this factory method to create a new instance of
* this fragment using the provided parameters.
*
* @param param1 Parameter 1.
* @param param2 Parameter 2.
* @return A new instance of fragment ExploreFragment.
*/
// TODO: Rename and change types and number of parameters
public static AddReturnFragment newInstance(String param1, String param2) {
AddReturnFragment fragment = new AddReturnFragment();
Bundle args = new Bundle();
args.putString(ARG_PARAM1, param1);
args.putString(ARG_PARAM2, param2);
fragment.setArguments(args);
return fragment;
}
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
if (getArguments() != null) {
mParam1 = getArguments().getString(ARG_PARAM1);
mParam2 = getArguments().getString(ARG_PARAM2);
}
}
private int findIndexInArray(String query, String[] arr) {
for (int i = 0; i < arr.length; i++) {
if (arr[i].equals(query)) {
return i;
}
}
return -1;
}
@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
// Inflate the layout for this fragment
View rootView = inflater.inflate(R.layout.fragment_add_return, container, false);
DealersAndProductsInfo objdealandproinfo = new DealersAndProductsInfo(getActivity());
dealersId = objdealandproinfo.getDealersId();
// dealersName = objdealandproinfo.getDealersName();
dealersName = new String[5];
dealersName[0] = "Dealer 1";
dealersName[1] = "Dealer 2";
dealersName[2] = "Dealer 3";
dealersName[3] = "Dealer 4";
dealersName[4] = "Dealer 5";
dealersAddress = objdealandproinfo.getDealersAddress();
productsIds = objdealandproinfo.getProductsIds();
productsName = objdealandproinfo.getProductsName();
productsPrice = objdealandproinfo.getProductsPrice();
orgProducts = new SearchableSpinner[4];
orgqQuantity = new EditText[4];
orgUnit = new Spinner[4];
edOrderPrice = rootView.findViewById(R.id.edorderprice);
edCashReturn = rootView.findViewById(R.id.edcashreturn);
edOrderPrice.setText(String.valueOf(orderPrice));
objGetData = new GetData(getActivity(), "Batchwise Stock");
batchwiseStock = objGetData.getBatchwiseStock();
batchProductIds = objGetData.getBatchProductIds();
batchAdapter = new ArrayAdapter[batchProductIds.size()];
batchIds = new String[batchProductIds.size()];
batchIds = batchProductIds.toArray(batchIds);
subLayout = new LinearLayout[maxExtraProducts];
subLayoutDetail1 = new LinearLayout[maxExtraProducts];
subLayoutDetail2 = new LinearLayout[maxExtraProducts];
extraProducts = new SearchableSpinner[maxExtraProducts];
extraBatch = new SearchableSpinner[maxExtraProducts];
returnReason = new SearchableSpinner[maxExtraProducts];
extraQuantity = new EditText[maxExtraProducts];
extraDiscount = new EditText[maxExtraProducts];
extraUnits = new Spinner[maxExtraProducts];
extraOpBtn = new Button[maxExtraProducts];
objSendData = new SendData(getActivity());
extraCount = 0;
btnAdd = rootView.findViewById(R.id.button_add);
edDealerID = rootView.findViewById(R.id.ed_dealerName);
lv = rootView.findViewById(R.id.linear_layout);
dealerAdapter = new ArrayAdapter<>(getActivity(), android.R.layout.simple_spinner_dropdown_item, dealersName);
edDealerID.setAdapter(dealerAdapter);
productAdapter = new ArrayAdapter<>(getActivity(), android.R.layout.simple_spinner_dropdown_item, productsName);
String[] unitItems = new String[]{"Packets", "Box"};
unitAdapter = new ArrayAdapter<>(getActivity(), android.R.layout.simple_spinner_dropdown_item, unitItems);
String[] returnReasons = new String[]{"Expiry", "Damaged", "Breakage"};
returnAdapter = new ArrayAdapter<>(getActivity(), android.R.layout.simple_spinner_dropdown_item, returnReasons);
for(int i=0; i<batchProductIds.size(); i++)
{
batchAdapter[i] = new ArrayAdapter<>(getActivity(), android.R.layout.simple_spinner_dropdown_item, batchwiseStock.get(i));
}
btnSubmitOrder = rootView.findViewById(R.id.btn_send);
btnSaveOrder = rootView.findViewById(R.id.btn_save);
for(int i=0; i<4; i++)
{
extraCount++;
lv.addView(createLinearLayout());
addListenerToButtons();
}
btnAdd.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
// extraCount++;
// lv.addView(createLinearLayout());
// addListenerToButtons();
edDealerID.setSelection(1);
}
});
btnSaveOrder.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
if(compileOrder())
{
objSendData.saveReturn("0", send_dealerId, send_productIds, send_quantities, send_unit, send_batchno, send_return_price, String.valueOf(returnTotalPrice), send_return_reason, send_cash_return, GlobalVariables.getLatitude(), GlobalVariables.getLongitude(), GlobalVariables.getLocationNameHalf(), GlobalVariables.getStDate(), GlobalVariables.getStTime(), GlobalVariables.getUserId());
}
}
});
edProgress = rootView.findViewById(R.id.ed_progress);
btnSubmitOrder.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
if(compileOrder())
{
objSendData.sendReturn("0", send_dealerId, send_productIds, send_quantities, send_unit, send_batchno, send_return_price, String.valueOf(returnTotalPrice), send_return_reason, send_cash_return, GlobalVariables.getLatitude(), GlobalVariables.getLongitude(), GlobalVariables.getLocationNameHalf(), GlobalVariables.getStDate(), GlobalVariables.getStTime(), GlobalVariables.getUserId());
}
}
});
return rootView;
}
public boolean compileOrder()
{
boolean check = false;
if(edDealerID.getSelectedItemPosition() > 0)
{
send_dealerId = dealersId[edDealerID.getSelectedItemPosition()];
}
else
{
Toast.makeText(getActivity(), "Please Select Dealer", Toast.LENGTH_LONG).show();
return false;
}
edProgress.setVisibility(View.VISIBLE);
for(int j=0; j<extraCount; j++)
{
if(!(subLayout[j].getVisibility() == View.GONE) && extraProducts[j].getSelectedItemPosition() > 0)
{
if(check)
{
send_productIds = send_productIds+"_-_"+productsIds[extraProducts[j].getSelectedItemPosition()];
send_quantities = send_quantities+"_-_"+extraQuantity[j].getText().toString();
send_return_price = send_return_price+"_-_"+(productsPrice[extraProducts[j].getSelectedItemPosition()] * Integer.parseInt(extraQuantity[j].getText().toString()));
send_batchno = send_batchno+"_-_"+extraBatch[j].getSelectedItem().toString();
returnTotalPrice = returnTotalPrice + (productsPrice[extraProducts[j].getSelectedItemPosition()] * Integer.parseInt(extraQuantity[j].getText().toString()));
send_unit = send_unit+"_-_"+extraUnits[j].getSelectedItem().toString();
send_return_reason = send_return_reason+"_-_"+returnReason[j].getSelectedItem().toString();
}
else
{
send_productIds = productsIds[extraProducts[j].getSelectedItemPosition()];
send_quantities = extraQuantity[j].getText().toString();
send_return_price = String.valueOf(productsPrice[extraProducts[j].getSelectedItemPosition()] * Integer.parseInt(extraQuantity[j].getText().toString()));
send_batchno = extraBatch[j].getSelectedItem().toString();
send_unit = extraUnits[j].getSelectedItem().toString();
send_return_reason = returnReason[j].getSelectedItem().toString();
returnTotalPrice = returnTotalPrice + (Float.parseFloat(send_return_price));
check = true;
}
}
}
send_cash_return = edCashReturn.getText().toString();
if(send_cash_return.equals(""))
{
send_cash_return = "0";
}
return true;
}
public SearchableSpinner createProductSpinner() {
final LinearLayout.LayoutParams lparams = new LinearLayout.LayoutParams(Math.round(getResources().getDimension(R.dimen.return_product)), Math.round(getResources().getDimension(R.dimen.control_height)));
extraProducts[extraCount-1] = new SearchableSpinner(getActivity());
extraProducts[extraCount-1].setLayoutParams(lparams);
extraProducts[extraCount-1].setAdapter(productAdapter);
return extraProducts[extraCount-1];
}
public EditText createQuantityEditText() {
final LinearLayout.LayoutParams lparams = new LinearLayout.LayoutParams(Math.round(getResources().getDimension(R.dimen.return_quantity)), Math.round(getResources().getDimension(R.dimen.control_height)));
extraQuantity[extraCount-1] = new EditText(getActivity());
extraQuantity[extraCount-1].setLayoutParams(lparams);
extraQuantity[extraCount-1].setMovementMethod(new ScrollingMovementMethod());
extraQuantity[extraCount-1].setText("1");
extraQuantity[extraCount-1].setInputType(InputType.TYPE_CLASS_NUMBER);
extraQuantity[extraCount-1].setFilters(new InputFilter[]{ new InputFilterMinMax("1", "100")});
extraQuantity[extraCount-1].setTextAlignment(View.TEXT_ALIGNMENT_CENTER);
return extraQuantity[extraCount-1];
}
public Spinner createUnitSpinner() {
final LinearLayout.LayoutParams lparams = new LinearLayout.LayoutParams(Math.round(getResources().getDimension(R.dimen.return_unit)), Math.round(getResources().getDimension(R.dimen.control_height)));
extraUnits[extraCount-1] = new Spinner(getActivity());
extraUnits[extraCount-1].setLayoutParams(lparams);
extraUnits[extraCount-1].setAdapter(unitAdapter);
return extraUnits[extraCount-1];
}
public SearchableSpinner createBatchSpinner() {
final LinearLayout.LayoutParams lparams = new LinearLayout.LayoutParams(LinearLayout.LayoutParams.MATCH_PARENT, Math.round(getResources().getDimension(R.dimen.control_height)));
extraBatch[extraCount-1] = new SearchableSpinner(getActivity());
extraBatch[extraCount-1].setLayoutParams(lparams);
// extraBatch[extraCount-1].setAdapter(batchAdapter[1]);
return extraBatch[extraCount-1];
}
public SearchableSpinner createReturnReasonSpinner() {
final LinearLayout.LayoutParams lparams = new LinearLayout.LayoutParams(Math.round(getResources().getDimension(R.dimen.return_reason)), Math.round(getResources().getDimension(R.dimen.control_height)));
returnReason[extraCount-1] = new SearchableSpinner(getActivity());
returnReason[extraCount-1].setLayoutParams(lparams);
returnReason[extraCount-1].setAdapter(returnAdapter);
return returnReason[extraCount-1];
}
public Button createOpButton() {
final LinearLayout.LayoutParams lparams = new LinearLayout.LayoutParams(LinearLayout.LayoutParams.MATCH_PARENT, LinearLayout.LayoutParams.WRAP_CONTENT);
extraOpBtn[extraCount-1] = new Button(getActivity());
extraOpBtn[extraCount-1].setLayoutParams(lparams);
extraOpBtn[extraCount-1].setText("X");
extraOpBtn[extraCount-1].setTextColor(Color.RED);
extraOpBtn[extraCount-1].setBackgroundColor(Color.TRANSPARENT);
return extraOpBtn[extraCount-1];
}
public LinearLayout createDetailLinearLayout1() {
final LinearLayout.LayoutParams lparams = new LinearLayout.LayoutParams(ViewGroup.LayoutParams.MATCH_PARENT, ViewGroup.LayoutParams.MATCH_PARENT);
subLayoutDetail1[extraCount-1] = new LinearLayout(getActivity());
subLayoutDetail1[extraCount-1].setOrientation(LinearLayout.HORIZONTAL);
subLayoutDetail1[extraCount-1].setLayoutParams(lparams);
subLayoutDetail1[extraCount-1].addView(createProductSpinner());
subLayoutDetail1[extraCount-1].addView(createBatchSpinner());
return subLayoutDetail1[extraCount-1];
}
public LinearLayout createDetailLinearLayout2() {
final LinearLayout.LayoutParams lparams = new LinearLayout.LayoutParams(ViewGroup.LayoutParams.MATCH_PARENT, ViewGroup.LayoutParams.MATCH_PARENT);
subLayoutDetail2[extraCount-1] = new LinearLayout(getActivity());
subLayoutDetail2[extraCount-1].setOrientation(LinearLayout.HORIZONTAL);
subLayoutDetail2[extraCount-1].setLayoutParams(lparams);
subLayoutDetail2[extraCount-1].addView(createQuantityEditText());
subLayoutDetail2[extraCount-1].addView(createUnitSpinner());
subLayoutDetail2[extraCount-1].addView(createReturnReasonSpinner());
subLayoutDetail2[extraCount-1].addView(createOpButton());
return subLayoutDetail2[extraCount-1];
}
public LinearLayout createLinearLayout() {
final LinearLayout.LayoutParams lparams = new LinearLayout.LayoutParams(ViewGroup.LayoutParams.MATCH_PARENT, ViewGroup.LayoutParams.MATCH_PARENT);
subLayout[extraCount-1] = new LinearLayout(getActivity());
subLayout[extraCount-1].setOrientation(LinearLayout.VERTICAL);
subLayout[extraCount-1].setLayoutParams(lparams);
subLayout[extraCount-1].addView(createDetailLinearLayout1());
subLayout[extraCount-1].addView(createDetailLinearLayout2());
return subLayout[extraCount-1];
}
public void addListenerToButtons()
{
for(int i=0; i<extraCount; i++)
{
final int finalI = i;
extraOpBtn[i].setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
subLayout[finalI].setVisibility(View.GONE);
calculatePrice();
}
});
extraProducts[i].setOnItemSelectedListener(new AdapterView.OnItemSelectedListener() {
@Override
public void onItemSelected(AdapterView<?> parent, View view, int position, long id) {
int pos = extraProducts[finalI].getSelectedItemPosition();
String selectedId = productsIds[pos];
int index = findIndexInArray(selectedId, batchIds);
if(index >= 0)
{
extraBatch[finalI].setAdapter(batchAdapter[index]);
calculatePrice();
}
}
@Override
public void onNothingSelected(AdapterView<?> parent) {
}
});
extraQuantity[i].setOnFocusChangeListener(new View.OnFocusChangeListener() {
@Override
public void onFocusChange(View view, boolean hasFocus) {
if (!hasFocus) {
if(extraQuantity[finalI].getText().toString().equals(""))
{
extraQuantity[finalI].setText("1");
}
calculatePrice();
}
}
});
extraQuantity[i].addTextChangedListener(new TextWatcher() {
@Override
public void beforeTextChanged(CharSequence s, int start, int count, int after) {
calculatePrice();
}
@Override
public void onTextChanged(CharSequence s, int start, int before, int count) {
calculatePrice();
}
@Override
public void afterTextChanged(Editable s) {
calculatePrice();
}
});
}
calculatePrice();
}
public void calculatePrice()
{
orderPrice = 0f;
finalPrice = 0f;
for(int j=0; j<extraCount; j++)
{
if(!(subLayout[j].getVisibility() == View.GONE))
{
String stQan = extraQuantity[j].getText().toString();
if(stQan.equals(""))
{
stQan = "0";
}
orderPrice = orderPrice + (productsPrice[extraProducts[j].getSelectedItemPosition()] * Integer.parseInt(stQan));
}
}
finalPrice = orderPrice - ((orderPrice/100)*discount);
edOrderPrice.setText(String.valueOf(orderPrice));
}
protected void displayReceivedData(String message)
{
Toast.makeText(getActivity(), "Return Message: "+message, Toast.LENGTH_LONG).show();
editPrevious = true;
editReturnId = message;
GetData objGetData = new GetData(getActivity());
Cursor res = objGetData.getPendingReturnDetail(editReturnId);
res.moveToNext();
editDealerId = res.getString(2);
editProductId = res.getString(3);
String[] editProductIdArr = editProductId.split("_-_");
editBatch = res.getString(6);
String[] editBatchArr = editBatch.split("_-_");
editQuantity = res.getString(4);
String[] editQuantityArr = editQuantity.split("_-_");
editUnit = res.getString(5);
String[] editUnitArr = editUnit.split("_-_");
editReason = res.getString(9);
String[] editReasonArr = editReason.split("_-_");
editReturnPrice = res.getString(8);
editCashReturn = res.getString(10);
int dealerIndex = findIndexInArray(editDealerId, dealersId);
edDealerID.setSelection(dealerIndex);
edOrderPrice.setText(editReturnPrice);
edCashReturn.setText(editCashReturn);
}
}