我正在创建一个需要多个微调器的应用程序。微调器上的数据将来自phpmyadmin，但位于不同的表中。例如，用于商店代码的微调器和用于银行的微调器，就像在我的应用程序中一样。现在让我们说商店代码表有15个项目，银行表只有10个项目，它们解析就很好了。但是问题是，如果我单击商店代码微调器中的11-15个项目之一，则会崩溃。如果表具有相同数量的项目，它们可以正常工作，但是如果一个表具有多个项目，则崩溃。我该如何处理我的代码？
Java文件的代码
public class DailySales extends AppCompatActivity implements AdapterView.OnItemSelectedListener{
ArrayList<String> banknames=new ArrayList<>();
ArrayList<String> storecodes=new ArrayList<>();
ArrayAdapter<String> adapter1, adapter2, adapter3, adapter4, adapter5;
String storecode, spinner2, spinner3, spinner4, spinner5;
TextView TVCash, TVCredita, TVCreditb, TVDebita, TVDebitb, TVEcpv, TVGc, TVSd, Salesdate;
EditText Cash, CreditA, CreditB, DebitA, DebitB, Ecpv, Gc, Sd;
Spinner Storecode, Spinner2, Spinner3, Spinner4, Spinner5;
Button submit;
DatePickerDialog datePickerDialog;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_daily_sales);
drawerLayout = (DrawerLayout) findViewById(drawer);
toggle = new ActionBarDrawerToggle(this, drawerLayout, R.string.open, R.string.close);
drawerLayout.addDrawerListener(toggle);
toggle.syncState();
getSupportActionBar().setDisplayHomeAsUpEnabled(true);
NavigationView navigationView=(NavigationView) findViewById(R.id.nav_view);
navigationView.setNavigationItemSelectedListener(this);
Cash = (EditText) findViewById(R.id.cash);
CreditA = (EditText) findViewById(R.id.credita);
CreditB = (EditText) findViewById(R.id.creditb);
DebitA = (EditText) findViewById(R.id.debita);
DebitB = (EditText) findViewById(R.id.debitb);
Ecpv = (EditText) findViewById(R.id.ecpv);
Gc = (EditText) findViewById(R.id.gc);
Sd = (EditText) findViewById(R.id.sd);
Salesdate = (TextView) findViewById(R.id.salesdate);
TVCash = (TextView) findViewById(R.id.textviewcash);
TVCredita = (TextView) findViewById(R.id.textviewcredita);
TVCreditb = (TextView) findViewById(R.id.textviewcreditb);
TVDebita = (TextView) findViewById(R.id.textviewdebita);
TVDebitb = (TextView) findViewById(R.id.textviewdebitb);
TVEcpv = (TextView) findViewById(R.id.textviewecpv);
TVGc = (TextView) findViewById(R.id.textviewgc);
TVSd = (TextView) findViewById(R.id.textviewsd);
Storecode = (Spinner) findViewById(R.id.storecode);
adapter1 = new ArrayAdapter<String>(this,R.layout.spinner_layout,R.id.txt,storecodes);
Storecode.setAdapter(adapter1);
Storecode.setOnItemSelectedListener(this);
Spinner2 = (Spinner) findViewById(R.id.spinner2);
adapter2 = new ArrayAdapter<String>(this,R.layout.spinner_layout,R.id.txt,banknames);
Spinner2.setAdapter(adapter2);
Spinner2.setOnItemSelectedListener(this);
Spinner3 = (Spinner) findViewById(R.id.spinner3);
adapter3 = new ArrayAdapter<String>(this,R.layout.spinner_layout,R.id.txt,banknames);
Spinner3.setAdapter(adapter3);
Spinner3.setOnItemSelectedListener(this);
Spinner4 = (Spinner) findViewById(R.id.spinner4);
adapter4 = new ArrayAdapter<String>(this,R.layout.spinner_layout,R.id.txt,banknames);
Spinner4.setAdapter(adapter4);
Spinner4.setOnItemSelectedListener(this);
Spinner5 = (Spinner) findViewById(R.id.spinner5);
adapter5 = new ArrayAdapter<String>(this,R.layout.spinner_layout,R.id.txt,banknames);
Spinner5.setAdapter(adapter5);
Spinner5.setOnItemSelectedListener(this);
Salesdate.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
Calendar cal = Calendar.getInstance();
int year = cal.get(Calendar.YEAR);
int month = cal.get(Calendar.MONTH);
int day = cal.get(Calendar.DAY_OF_MONTH);
datePickerDialog = new DatePickerDialog(DailySales.this, R.style.DialogTheme, new DatePickerDialog.OnDateSetListener() {
@Override
public void onDateSet(DatePicker view, int year, int month, int dayOfMonth) {
Salesdate.setText(year+"-"+(month+1)+"-"+dayOfMonth);
}
}, year,month,day);
datePickerDialog.show();
}
});
submit = (Button)findViewById(R.id.submit);
submit.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
final AlertDialog.Builder builder = new AlertDialog.Builder(DailySales.this);
builder.setMessage("Are you sure about the informations?")
.setCancelable(false)
.setPositiveButton("Yes", new DialogInterface.OnClickListener() {
@Override
public void onClick(DialogInterface dialog, int which) {
if (Salesdate.getText().toString().isEmpty()) {
Salesdate.setError("Pick a date");
} else if (Cash.length() == 0 && CreditA.length() == 0 && CreditB.length() == 0
&& DebitA.length() == 0 && DebitB.length() == 0 && Ecpv.length() == 0 &&
Gc.length() == 0 && Sd.length() == 0){
opendialog();
} else {
dailysales();
}
}
})
.setNegativeButton("No", new DialogInterface.OnClickListener() {
@Override
public void onClick(DialogInterface dialog, int which) {
dialog.cancel();
}
});
AlertDialog alertDialog=builder.create();
alertDialog.show();
}
});
}
public void opendialog(){
ExampleDialog exampleDialog = new ExampleDialog();
exampleDialog.show(getSupportFragmentManager(), "example dialog");
}
public void dailysales(){
StringRequest request = new StringRequest(Request.Method.POST, "(I will not show the url)", new Response.Listener<String>() {
@Override
public void onResponse(String response) {
if(response.contains("1")) {
startActivity(new Intent(getApplicationContext(), DailySales.class));
Toast.makeText(getApplicationContext(), "Data Added Successfully!", Toast.LENGTH_LONG).show();
} else if(response.contains("2")) {
Toast.makeText(getApplicationContext(), "Data does not added successfully!", Toast.LENGTH_SHORT).show();
}
}
}, new Response.ErrorListener() {
@Override
public void onErrorResponse(VolleyError error) {
}
}) {
@Override
protected Map<String, String> getParams() throws AuthFailureError {
Map<String,String> params = new HashMap<>();
//DATE PICKER
params.put("salesdate",Salesdate.getText().toString());
//SPINNERS
params.put("storecode",Storecode.getSelectedItem().toString());
params.put("spinner2",Spinner2.getSelectedItem().toString());
params.put("spinner3",Spinner3.getSelectedItem().toString());
params.put("spinner4",Spinner4.getSelectedItem().toString());
params.put("spinner5",Spinner5.getSelectedItem().toString());
//TEXT VIEWS
params.put("tvcash",TVCash.getText().toString());
params.put("tvcredita",TVCredita.getText().toString());
params.put("tvcreditb",TVCreditb.getText().toString());
params.put("tvdebita",TVDebita.getText().toString());
params.put("tvdebitb",TVDebitb.getText().toString());
params.put("tvecpv",TVEcpv.getText().toString());
params.put("tvgc",TVGc.getText().toString());
params.put("tvsd",TVSd.getText().toString());
//EDIT TEXTS
params.put("cash",Cash.getText().toString());
params.put("credita",CreditA.getText().toString());
params.put("creditb",CreditB.getText().toString());
params.put("debita",DebitA.getText().toString());
params.put("debitb",DebitB.getText().toString());
params.put("ecpv",Ecpv.getText().toString());
params.put("gc",Gc.getText().toString());
params.put("sd",Sd.getText().toString());
return params;
}
};
Volley.newRequestQueue(this).add(request);
}
public void onStart(){
super.onStart();
BackTask bt=new BackTask();
bt.execute();
}
private class BackTask extends AsyncTask<Void, Void, Void> {
ArrayList<String> list1;
ArrayList<String> list2;
@Override
protected void onPreExecute() {
super.onPreExecute();
list1 = new ArrayList<>();
list2 = new ArrayList<>();
}
@Override
protected Void doInBackground(Void... params) {
InputStream is1 = null;
InputStream is2 = null;
String result1 = "";
String result2 = "";
try {
HttpClient httpClient = new DefaultHttpClient();
HttpPost httpPost = new HttpPost("(I'm aware about the url)");
HttpResponse response = httpClient.execute(httpPost);
HttpEntity entity = response.getEntity();
is1 = entity.getContent();
HttpClient httpClient2 = new DefaultHttpClient();
HttpPost httpPost2 = new HttpPost("(I'm aware about the url)");
HttpResponse response2 = httpClient2.execute(httpPost2);
HttpEntity entity2 = response2.getEntity();
is2 = entity2.getContent();
} catch (Exception e) {
e.printStackTrace();
}
try {
BufferedReader bufferedReader1 = new BufferedReader(new InputStreamReader(is1, "utf-8"));
String line1 = "";
while ((line1 = bufferedReader1.readLine()) != null) {
result1 = line1;
}
is1.close();
BufferedReader bufferedReader2 = new BufferedReader(new InputStreamReader(is2, "utf-8"));
String line2 = "";
while ((line2 = bufferedReader2.readLine()) != null) {
result2 = line2;
}
is2.close();
} catch (IOException e) {
e.printStackTrace();
}
try {
JSONArray jsonArray1 = new JSONArray(result1);
for (int i = 0; i < jsonArray1.length(); i++) {
JSONObject jsonObject1 = jsonArray1.getJSONObject(i);
list1.add(jsonObject1.getString("storecode"));
}
JSONArray jsonArray2 = new JSONArray(result2);
for (int ii = 0; ii < jsonArray2.length(); ii++) {
JSONObject jsonObject2 = jsonArray2.getJSONObject(ii);
list2.add(jsonObject2.getString("bank_name"));
}
} catch (JSONException e) {
e.printStackTrace();
}
return null;
}
@Override
protected void onPostExecute(Void result) {
storecodes.addAll(list1);
banknames.addAll(list2);
adapter1.notifyDataSetChanged();
adapter2.notifyDataSetChanged();
adapter3.notifyDataSetChanged();
adapter4.notifyDataSetChanged();
adapter5.notifyDataSetChanged();
List<String> Storecodes = new ArrayList<>(new LinkedHashSet<>(storecodes));
Storecode.setAdapter(new ArrayAdapter<String>(DailySales.this,
android.R.layout.simple_spinner_dropdown_item, Storecodes));
List<String> Banknames1 = new ArrayList<>(new LinkedHashSet<>(banknames));
Spinner2.setAdapter(new ArrayAdapter<String>(DailySales.this,
android.R.layout.simple_spinner_dropdown_item, Banknames1));
List<String> Banknames2 = new ArrayList<>(new LinkedHashSet<>(banknames));
Spinner3.setAdapter(new ArrayAdapter<String>(DailySales.this,
android.R.layout.simple_spinner_dropdown_item, Banknames2));
List<String> Banknames3 = new ArrayList<>(new LinkedHashSet<>(banknames));
Spinner4.setAdapter(new ArrayAdapter<String>(DailySales.this,
android.R.layout.simple_spinner_dropdown_item, Banknames3));
List<String> Banknames4 = new ArrayList<>(new LinkedHashSet<>(banknames));
Spinner5.setAdapter(new ArrayAdapter<String>(DailySales.this,
android.R.layout.simple_spinner_dropdown_item, Banknames4));
Collections.sort(storecodes);
Collections.sort(banknames);
Collections.sort(banknames);
Collections.sort(banknames);
Collections.sort(banknames);
}
}
@Override
public void onItemSelected(AdapterView<?> parent, View view, int position, long id) {
storecode = Storecode.getItemAtPosition(position).toString();
spinner2 = Spinner2.getItemAtPosition(position).toString();
spinner3 = Spinner3.getItemAtPosition(position).toString();
spinner4 = Spinner4.getItemAtPosition(position).toString();
spinner5 = Spinner5.getItemAtPosition(position).toString();
}
@Override
public void onNothingSelected(AdapterView<?> parent) {
}
}
这是logcat中的错误
@Erythrozyt E/AndroidRuntime: FATAL EXCEPTION: main
Process: com.example.(package name), PID: 29660
java.lang.IndexOutOfBoundsException: Index: 10, Size: 10
at java.util.ArrayList.get(ArrayList.java:437)
at android.widget.ArrayAdapter.getItem(ArrayAdapter.java:385)
at android.widget.AdapterView.getItemAtPosition(AdapterView.java:798)
at com.example.(package name).onItemSelected(DailySales.java:392)
at android.widget.AdapterView.fireOnSelected(AdapterView.java:944)
at android.widget.AdapterView.dispatchOnItemSelected(AdapterView.java:933)
at android.widget.AdapterView.-wrap1(Unknown Source:0)
at android.widget.AdapterView$SelectionNotifier.run(AdapterView.java:898)
at android.os.Handler.handleCallback(Handler.java:790)
at android.os.Handler.dispatchMessage(Handler.java:99)
at android.os.Looper.loop(Looper.java:187)
at android.app.ActivityThread.main(ActivityThread.java:7025)
at java.lang.reflect.Method.invoke(Native Method)
at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:514)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:888