Android 迭代导致数字选择器侦听器崩溃

自从我将号码选择器代码更改为 所有数字选择器的迭代。到目前为止，一个单独的数字选择器工作得很好——选择一个数字，它在文本视图中显示为int NewVal，甚至显示在祝酒词中。 但是，当然，我需要迭代，因此OnValuedChangedListener 将查找xml文件中的所有数字选择器。 当我试图打开一个数字选择器时，应用程序崩溃了，而不是之前，所以很明显这是侦听器代码-int NewVal需要迭代吗？？ 这是我的主要活动代码

import android.app.Activity;
import android.content.Context;
import android.content.Intent;
import android.os.Bundle;
import android.widget.Button;
import android.widget.CheckBox;
import android.widget.NumberPicker;
import android.view.View;
import android.widget.TextView;
import android.view.View.OnClickListener;
import android.widget.Toast;
import android.widget.NumberPicker.OnValueChangeListener;


public class MainActivity extends Activity {
int newVal;
private TextView tv;

Button btnDisplay;
private CheckBox  chk1, chk2, chk3, chk7, chk8, chk9, chk10, chk11, chk12, chk13, chk14, chk15,
chk16, chk17, chk18, chk19, chk20, chk21, chk22, chk23, chk24, chk25, chk26, chk27, chk28, chk29, chk30, chk31, chk32, chk33, chk34, chk35, chk36, chk37, chk38, chk39, chk40, chk41, chk42, chk43, chk44, chk45, chk46, chk47, chk48, chk49, chk50, chk51, chk52, chk53;
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);

setupUI();


addListenerOnChkIos();

}

public void setupUI()
{

    int[] textViewIDs = new int[] {R.id.tvId1, R.id.tvId2, R.id.tvId3, R.id.tvId7,
            R.id.tvId8, R.id.tvId9, R.id.tvId10, R.id.tvId11, R.id.tvId12, R.id.tvId13, R.id.tvId14, R.id.tvId15, R.id.tvId16, R.id.tvId17, 
            R.id.tvId18, R.id.tvId19, R.id.tvId20, R.id.tvId21, R.id.tvId22, R.id.tvId23, R.id.tvId24, R.id.tvId25, R.id.tvId26, R.id.tvId27, R.id.tvId28, R.id.tvId29, R.id.tvId30, R.id.tvId31, 
            R.id.tvId32, R.id.tvId33, R.id.tvId34, R.id.tvId35, R.id.tvId36, R.id.tvId37, R.id.tvId38, R.id.tvId39, R.id.tvId40, R.id.tvId41, R.id.tvId42, R.id.tvId43, R.id.tvId44, R.id.tvId45, R.id.tvId46, R.id.tvId47, R.id.tvId48, R.id.tvId49, R.id.tvId50, R.id.tvId51, R.id.tvId52, R.id.tvId53};

    for(int i=0; i < textViewIDs.length; i++) {
        TextView tv = (TextView ) findViewById(textViewIDs[i]);
    }
    //tv = (TextView) findViewById(R.id.tvId1);

    int[] numpickIDs = new int[] {R.id.npId1, R.id.npId2, R.id.npId3, R.id.npId7,
            R.id.npId8, R.id.npId9, R.id.npId10, R.id.npId11, R.id.npId12, R.id.npId13, R.id.npId14, R.id.npId15, R.id.npId16, R.id.npId17, 
            R.id.npId18, R.id.npId19, R.id.npId20, R.id.npId21, R.id.npId22, R.id.npId23, R.id.npId24, R.id.npId25, R.id.npId26, R.id.npId27, R.id.npId28, R.id.npId29, R.id.npId30, R.id.npId31, 
            R.id.npId32, R.id.npId33, R.id.npId34, R.id.npId35, R.id.npId36, R.id.npId37, R.id.npId38, R.id.npId39, R.id.npId40, R.id.npId41, R.id.npId42, R.id.npId43, R.id.npId44, R.id.npId45, R.id.npId46, R.id.npId47, R.id.npId48, R.id.npId49, R.id.npId50, R.id.npId51, R.id.npId52, R.id.npId53};

    for(int j=0; j < numpickIDs.length; j++) {
        NumberPicker np = (NumberPicker ) findViewById(numpickIDs[j]);


    //NumberPicker np = (NumberPicker) findViewById(R.id.npId1);

    np.setOnValueChangedListener(new OnValueChangeListener()
    {
        public void onValueChange(NumberPicker picker, int oldVal, 
            int newVal)
        {
            tv.setText(String.valueOf(newVal)); 
        }        
    });

    np.setMaxValue(12);
    np.setMinValue(0);
    }

}

public void addListenerOnChkIos() {

    chk1 = (CheckBox) findViewById(R.id.chk1);
    chk2 = (CheckBox) findViewById(R.id.chk2);
    chk3 = (CheckBox) findViewById(R.id.chk3);
    chk7 = (CheckBox) findViewById(R.id.chk7);
    chk8 = (CheckBox) findViewById(R.id.chk8);
    chk9 = (CheckBox) findViewById(R.id.chk9);
    chk10 = (CheckBox) findViewById(R.id.chk10);
    chk11 = (CheckBox) findViewById(R.id.chk11);
    chk12 = (CheckBox) findViewById(R.id.chk12);
    chk13 = (CheckBox) findViewById(R.id.chk13);
    chk14 = (CheckBox) findViewById(R.id.chk14);
    chk15 = (CheckBox) findViewById(R.id.chk15);
    chk16 = (CheckBox) findViewById(R.id.chk16);
    chk17 = (CheckBox) findViewById(R.id.chk17);
    chk18 = (CheckBox) findViewById(R.id.chk18);
    chk19 = (CheckBox) findViewById(R.id.chk19);
    chk20 = (CheckBox) findViewById(R.id.chk20);
    chk21 = (CheckBox) findViewById(R.id.chk21);
    chk22 = (CheckBox) findViewById(R.id.chk22);
    chk23 = (CheckBox) findViewById(R.id.chk23);
    chk24 = (CheckBox) findViewById(R.id.chk24);
    chk25 = (CheckBox) findViewById(R.id.chk25);
    chk26 = (CheckBox) findViewById(R.id.chk26);
    chk27 = (CheckBox) findViewById(R.id.chk27);
    chk28 = (CheckBox) findViewById(R.id.chk28);
    chk29 = (CheckBox) findViewById(R.id.chk29);
    chk30 = (CheckBox) findViewById(R.id.chk30);
    chk31 = (CheckBox) findViewById(R.id.chk31);
    chk32 = (CheckBox) findViewById(R.id.chk32);
    chk33 = (CheckBox) findViewById(R.id.chk33);
    chk34 = (CheckBox) findViewById(R.id.chk34);
    chk35 = (CheckBox) findViewById(R.id.chk35);
    chk36 = (CheckBox) findViewById(R.id.chk36);
    chk37 = (CheckBox) findViewById(R.id.chk37);
    chk38 = (CheckBox) findViewById(R.id.chk38);
    chk39 = (CheckBox) findViewById(R.id.chk39);
    chk40 = (CheckBox) findViewById(R.id.chk40);
    chk41 = (CheckBox) findViewById(R.id.chk41);
    chk42 = (CheckBox) findViewById(R.id.chk42);
    chk43 = (CheckBox) findViewById(R.id.chk43);
    chk44 = (CheckBox) findViewById(R.id.chk44);
    chk45 = (CheckBox) findViewById(R.id.chk45);
    chk46 = (CheckBox) findViewById(R.id.chk46);
    chk47 = (CheckBox) findViewById(R.id.chk47);
    chk48 = (CheckBox) findViewById(R.id.chk48);
    chk49 = (CheckBox) findViewById(R.id.chk49);
    chk50 = (CheckBox) findViewById(R.id.chk50);
    chk51 = (CheckBox) findViewById(R.id.chk51);
    chk52 = (CheckBox) findViewById(R.id.chk52);
    chk53 = (CheckBox) findViewById(R.id.chk53);








    btnDisplay = (Button) findViewById(R.id.btnDisplay);

    btnDisplay.setOnClickListener(new OnClickListener() {
    //chk1.setOnClickListener(new OnClickListener() {   
          //Run when button is clicked
      @Override
      public void onClick(View v) {

        //StringBuffer result = new StringBuffer();
        //result.append("Haddock-Large : ").append(chk1.isChecked());
        //result.append("\nHaddock-Medium : ").append(chk2.isChecked());
        //result.append("\nHaddock-Small :").append(chk3.isChecked());
        //result.append("\nKids Corner : ").append(chk4.isChecked());


        //Toast.makeText(MainActivity.this, tv.getText().toString() + " " + result.toString(),
                //Toast.LENGTH_LONG).show();
         // if (((CheckBox) v).isChecked()) {
        //Toast.makeText(MainActivity.this, tv.getText().toString() + " " + "Haddock Large",
                //Toast.LENGTH_LONG).show();
          //}
      //}
    //});

          int totalamount=0;  
          StringBuilder result=new StringBuilder();  
          result.append("Selected Items:\n");  
          if(chk1.isChecked()){  
              result.append(tv.getText().toString() + "x" + "Haddock(Large) 100Rs");  
              totalamount+=100;  
          }  
          if(chk2.isChecked()){  
              result.append("\nHaddock(Med) 50Rs");  
              totalamount+=50;  

          }  
          if(chk3.isChecked()){  
              result.append("\nHaddock(Small) 120Rs");  
              totalamount+=120;  
          } 
          if(chk7.isChecked()){  
              result.append("\nChips 120Rs");  
              totalamount+=120;  
          }
          if(chk8.isChecked()){  
              result.append("\nCone of Chips 120Rs");  
              totalamount+=120;  
          }
          if(chk9.isChecked()){  
              result.append("\nChip Butty 120Rs");  
              totalamount+=120;  
          }
          if(chk10.isChecked()){  
              result.append("\nFries 120Rs");  
              totalamount+=120;  
          }
          if(chk11.isChecked()){  
              result.append("\nPattie 120Rs");  
              totalamount+=120;  
          }
          if(chk12.isChecked()){  
              result.append("\nPattie Buttie 120Rs");  
              totalamount+=120;  
          }
          if(chk13.isChecked()){  
              result.append("\nFish Cake 120Rs");  
              totalamount+=120;  
          }
          if(chk14.isChecked()){  
              result.append("\nBreadcakes 120Rs");  
              totalamount+=120;  
          }
          if(chk15.isChecked()){  
              result.append("\nHam Fritter 120Rs");  
              totalamount+=120;  
          }
          if(chk16.isChecked()){  
              result.append("\nCorned Beef Fritter 120Rs");  
              totalamount+=120;  
          }
          if(chk17.isChecked()){  
              result.append("\nFish Fritter 120Rs");  
              totalamount+=120;  
          }
          if(chk18.isChecked()){  
              result.append("\nBeef Burger 120Rs");  
              totalamount+=120;  
          }
          if(chk19.isChecked()){  
              result.append("\nSmall Sausage 120Rs");  
              totalamount+=120;  
          }
          if(chk20.isChecked()){  
              result.append("\nJumbo Sausage 120Rs");  
              totalamount+=120;  
          }
          if(chk21.isChecked()){  
              result.append("\nPickled Eggs 120Rs");  
              totalamount+=120;  
          }
          if(chk22.isChecked()){  
              result.append("\nPickled Onions 120Rs");  
              totalamount+=120;  
          }
          if(chk23.isChecked()){  
              result.append("\n8 Onion Rings 120Rs");  
              totalamount+=120;  
          }
          if(chk24.isChecked()){  
              result.append("\nScampi(8) & chips/fries 120Rs");  
              totalamount+=120;  
          }
          if(chk25.isChecked()){  
              result.append("\nPattie Bitesx8 120Rs");  
              totalamount+=120;  
          }
          if(chk26.isChecked()){  
              result.append("\nHotdog"
                    + " 120Rs");  
              totalamount+=120;  
          }
          if(chk27.isChecked()){  
              result.append("\nHotdog w/chip/fries and a can 120Rs");  
              totalamount+=120;  
          }
          if(chk28.isChecked()){  
              result.append("\nHome Made Fish Cakes 120Rs");  
              totalamount+=120;  
          }
          if(chk29.isChecked()){  
              result.append("\nCod Roe 120Rs");  
              totalamount+=120;  
          }
          if(chk30.isChecked()){  
              result.append("\n4 Fish Strips 120Rs");  
              totalamount+=120;  
          }
          if(chk31.isChecked()){  
              result.append("\nChicken & Mushroom 120Rs");  
              totalamount+=120;  
          }
          if(chk32.isChecked()){  
              result.append("\nSteak & Kidney 120Rs");  
              totalamount+=120;  
          }
          if(chk33.isChecked()){  
              result.append("\nBeef & Onion 120Rs");  
              totalamount+=120;  
          }
          if(chk34.isChecked()){  
              result.append("\n1/4lb Beef Burger 120Rs");  
              totalamount+=120;  
          }
          if(chk35.isChecked()){  
              result.append("\n1/2lb Beef Burger  120Rs");  
              totalamount+=120;  
          }
          if(chk36.isChecked()){  
              result.append("\n1/4ib Cheese Burger 120Rs");  
              totalamount+=120;  
          }
          if(chk37.isChecked()){  
              result.append("\n1/2lb Cheese Burger 120Rs");  
              totalamount+=120;  
          }
          if(chk38.isChecked()){  
              result.append("\nChicken Burger 120Rs");  
              totalamount+=120;  
          }
          if(chk39.isChecked()){  
              result.append("\nDouble Chicken Burger 120Rs");  
              totalamount+=120;  
          }
          if(chk40.isChecked()){  
              result.append("\nPot of Peas 120Rs");  
              totalamount+=120;  
          }
          if(chk41.isChecked()){  
              result.append("\nChips spice tub 120Rs");  
              totalamount+=120;  
          }
          if(chk42.isChecked()){  
              result.append("\nSalt 250g 120Rs");  
              totalamount+=120;  
          }
          if(chk43.isChecked()){  
              result.append("\nVinegar 284ml 120Rs");  
              totalamount+=120;  
          }
          if(chk44.isChecked()){  
              result.append("\nTomato Sauce 120Rs");  
              totalamount+=120;  
          }
          if(chk45.isChecked()){  
              result.append("\nCans 120Rs");  
              totalamount+=120;  
          }
          if(chk46.isChecked()){  
              result.append("\nKids Cup Drinks 120Rs");  
              totalamount+=120;  
          }
          if(chk47.isChecked()){  
              result.append("\nBottled Water 120Rs");  
              totalamount+=120;  
          }
          if(chk48.isChecked()){  
              result.append("\n2ltr Bottles star 120Rs");  
              totalamount+=120;  
          }if(chk49.isChecked()){  
              result.append("\n 120Rs");  
              totalamount+=120;  
          }
          if(chk50.isChecked()){  
              result.append("\nBurger 120Rs");  
              totalamount+=120;  
          }
          if(chk51.isChecked()){  
              result.append("\nBurger 120Rs");  
              totalamount+=120;  
          }
          if(chk52.isChecked()){  
              result.append("\nBurger 120Rs");  
              totalamount+=120;  
          }
          if(chk53.isChecked()){  
              result.append("\nBurger 120Rs");  
              totalamount+=120;  
          }

          result.append("\nTotal: "+totalamount+"Rs");  
          //Displaying the message on the toast  
          Toast.makeText(MainActivity.this, result.toString(), Toast.LENGTH_LONG).show();  
      }  

  });  
}



}

导入android.app.Activity；
导入android.content.Context；
导入android.content.Intent；
导入android.os.Bundle；
导入android.widget.Button；
导入android.widget.CheckBox；
导入android.widget.NumberPicker；
导入android.view.view；
导入android.widget.TextView；
导入android.view.view.OnClickListener；
导入android.widget.Toast；
导入android.widget.NumberPicker.OnValueChangeListener；
公共类MainActivity扩展了活动{
内特纽瓦尔；
私家图文电视；
按钮显示；
专用复选框chk1、chk2、chk3、chk7、chk8、chk9、chk10、chk11、chk12、chk13、chk14、chk15、，
chk16、chk17、chk18、chk19、chk20、chk21、chk22、chk23、chk24、chk25、chk26、chk27、chk28、chk29、chk30、chk31、chk32、chk33、chk34、chk35、chk36、chk37、chk38、chk39、chk40、chk41、chk42、chk43、chk44、chk45、chk46、chk47、chk48、chk49、chk50、chk51、chk53；
@凌驾
创建时的公共void（Bundle savedInstanceState）{
super.onCreate（savedInstanceState）；
setContentView（R.layout.activity_main）；
setupUI（）；
addListenerOnChkIos（）；
}
公共void setupUI（）
{
int[]textViewIDs=new int[]{R.id.tvId1，R.id.tvId2，R.id.tvId3，R.id.tvId7，
R.id.tvId8，R.id.tvId9，R.id.tvId10，R.id.tvId11，R.id.tvId12，R.id.tvId13，R.id.tvId14，R.id.tvId15，R.id.tvId16，R.id.tvId17，
R.id.tvId18，R.id.tvId19，R.id.tvId20，R.id.tvId21，R.id.tvId22，R.id.tvId23，R.id.tvId24，R.id.tvId25，R.id.tvId26，R.id.tvId27，R.id.tvId28，R.id.tvId29，R.id.tvId30，R.id.tvId31，
R.id.tvId32、R.id.tvId33、R.id.tvId34、R.id.tvId35、R.id.tvId36、R.id.tvId37、R.id.tvId38、R.id.tvId39、R.id.tvId40、R.id.tvId41、R.id.tvId42、R.id.tvId43、R.id.tvId44、R.id.tvId45、R.id.tvId46、R.id.tvId47、R.tvId48、R.id.tvId49、R.id.tvId50、R.tvId52；
对于（int i=0；iprivate TextView[] tvs;
public void setupUI()
{

int[] textViewIDs = new int[] {R.id.tvId1, R.id.tvId2, R.id.tvId3, R.id.tvId7,
        R.id.tvId8, R.id.tvId9, R.id.tvId10, R.id.tvId11, R.id.tvId12, R.id.tvId13, R.id.tvId14, R.id.tvId15, R.id.tvId16, R.id.tvId17, 
        R.id.tvId18, R.id.tvId19, R.id.tvId20, R.id.tvId21, R.id.tvId22, R.id.tvId23, R.id.tvId24, R.id.tvId25, R.id.tvId26, R.id.tvId27, R.id.tvId28, R.id.tvId29, R.id.tvId30, R.id.tvId31, 
        R.id.tvId32, R.id.tvId33, R.id.tvId34, R.id.tvId35, R.id.tvId36, R.id.tvId37, R.id.tvId38, R.id.tvId39, R.id.tvId40, R.id.tvId41, R.id.tvId42, R.id.tvId43, R.id.tvId44, R.id.tvId45, R.id.tvId46, R.id.tvId47, R.id.tvId48, R.id.tvId49, R.id.tvId50, R.id.tvId51, R.id.tvId52, R.id.tvId53};

tvs = new TextView[53];
for(int i=0; i < textViewIDs.length; i++) {
    TextView tv = (TextView ) findViewById(textViewIDs[i]);
    tvs[i] = tv;
}
//tv = (TextView) findViewById(R.id.tvId1);

int[] numpickIDs = new int[] {R.id.npId1, R.id.npId2, R.id.npId3, R.id.npId7,
        R.id.npId8, R.id.npId9, R.id.npId10, R.id.npId11, R.id.npId12, R.id.npId13, R.id.npId14, R.id.npId15, R.id.npId16, R.id.npId17, 
        R.id.npId18, R.id.npId19, R.id.npId20, R.id.npId21, R.id.npId22, R.id.npId23, R.id.npId24, R.id.npId25, R.id.npId26, R.id.npId27, R.id.npId28, R.id.npId29, R.id.npId30, R.id.npId31, 
        R.id.npId32, R.id.npId33, R.id.npId34, R.id.npId35, R.id.npId36, R.id.npId37, R.id.npId38, R.id.npId39, R.id.npId40, R.id.npId41, R.id.npId42, R.id.npId43, R.id.npId44, R.id.npId45, R.id.npId46, R.id.npId47, R.id.npId48, R.id.npId49, R.id.npId50, R.id.npId51, R.id.npId52, R.id.npId53};

for(int j=0; j < numpickIDs.length; j++) {
    NumberPicker np = (NumberPicker ) findViewById(numpickIDs[j]);


final index = j;
//NumberPicker np = (NumberPicker) findViewById(R.id.npId1);

np.setOnValueChangedListener(new OnValueChangeListener()
{
    public void onValueChange(NumberPicker picker, int oldVal, 
        int newVal)
    {
        tvs[index].setText(String.valueOf(newVal)); 
    }        
});

np.setMaxValue(12);
np.setMinValue(0);
}