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Home/ Questions/Q 8967329
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Editorial Team
  • 0
Editorial Team
Asked: June 15, 20262026-06-15T17:13:06+00:00 2026-06-15T17:13:06+00:00

I have gone through so much code and tried to figure out what I

  • 0

I have gone through so much code and tried to figure out what I am doing wrong but i am flunked and am wasting time. It would be pretty simple but I cannot figure it out..

I am developing an android app and need to put 2 spinners on one activity. the second spinner will populate based on the entry selected on the first spinner. Sounds simple right?

So here is what I wanna do. If user selects Mobile, contents from the choosePersonalPlan should be displayed, when users selects Large business chooseLargeBusplan should run and the final entry should invoke chooseSmallMedPlan. All I get is the items from ChooseSmallMedPlan displaying all the time.

heres my code. please let me know wth I am doing wrong!

Java file

package com.example.mobilebillforecaster;

import java.util.ArrayList;
import java.util.List;

import android.app.Activity;
import android.os.Bundle;
import android.view.View;
import android.widget.AdapterView;
import android.widget.ArrayAdapter;
import android.widget.Spinner;
import android.widget.AdapterView.OnItemSelectedListener;


 public class Du_postpaid extends Activity {

    public Spinner catspinner,planspinner3,planspinner1,planspinner2;


    protected void onCreate(Bundle mbfSplash) {
            super.onCreate(mbfSplash);
            setContentView(R.layout.postpaid);

    chooseCategory();
    choosePersonalPlan();
    chooseLargeBusPlan();
    chooseSmallMedPlan();
    }

    public void chooseCategory() {

        catspinner = (Spinner) findViewById(R.id.catspinner);
        ArrayAdapter<CharSequence> catAdapter = ArrayAdapter.createFromResource(this, R.array.ducategory, android.R.layout.simple_spinner_item);
        catAdapter.setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item);
        catspinner.setAdapter(catAdapter);

    }
    private void choosePersonalPlan(){
        planspinner1 = (Spinner) findViewById(R.id.planspinner);
        List<String> planlist = new ArrayList<String>();
        planlist.add("Elite Regular Plan");
        planlist.add("Elite Super Plans");
        planlist.add("Emirati Plan");
        planlist.add("Pay As You Go");
        planlist.add("Visitor Mobile Line");
        ArrayAdapter<String> planAdapter1 = new ArrayAdapter<String>(this,
            android.R.layout.simple_spinner_item, planlist);
        planAdapter1.setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item);
        planspinner1.setAdapter(planAdapter1);

    }

    private void chooseLargeBusPlan(){

        planspinner2 = (Spinner) findViewById(R.id.planspinner);
        List<String> planlist1 = new ArrayList<String>();
        planlist1.add("Premier Plan");
        planlist1.add("The Executive Plan");
        planlist1.add("Business Circle Plan");
        planlist1.add("Business Diamond Plan");
        ArrayAdapter<String> planAdapter2 = new ArrayAdapter<String>(this,
            android.R.layout.simple_spinner_item, planlist1);
        planAdapter2.setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item);
        planspinner2.setAdapter(planAdapter2);


    }
    private void chooseSmallMedPlan(){

        planspinner2 = (Spinner) findViewById(R.id.planspinner);
        List<String> planlist2 = new ArrayList<String>();
        planlist2.add("Business Super Plan");
        planlist2.add("Her Business Super Plan");
        planlist2.add("Business Circle Plan");
        planlist2.add("Pay As you Go® Plus");
        ArrayAdapter<String> planAdapter3 = new ArrayAdapter<String>(this,
            android.R.layout.simple_spinner_item, planlist2);
    planAdapter3.setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item);
    planspinner2.setAdapter(planAdapter3);

    }


    public class planOnClickListener implements OnItemSelectedListener {

            @Override
            public void onItemSelected(AdapterView<?> parent, View v, int pos,
                    long id) {

                parent.getItemAtPosition(pos);  

                if (pos==0){
                choosePersonalPlan();   
                }else if (pos==1){
                chooseLargeBusPlan();
                } else if (pos==2){
                chooseSmallMedPlan();
}
            }
            @Override
            public void onNothingSelected(AdapterView<?> arg0) {
                // TODO Auto-generated method stub

            }
            }


 }

XML

<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:gravity="left" >

    <TextView
        android:id="@+id/postp"
        android:layout_width="130dp"
        android:layout_height="50dp"
        android:layout_alignParentTop="true"
        android:layout_centerHorizontal="true"
        android:layout_marginTop="15dp"
        android:gravity="center"
        android:text="@string/postp"
        android:textSize="30dp"

        />


    <Spinner
        android:id="@+id/catspinner"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_alignParentLeft="true"
        android:layout_below="@+id/postp"
        android:layout_marginTop="25dp"
        android:entries="@array/ducategory"
        android:prompt="@string/category_prompt"
        />

     <Spinner
        android:id="@+id/planspinner"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_alignParentLeft="true"
        android:layout_below="@+id/catspinner" />


</RelativeLayout>
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1 Answer

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  1. Editorial Team
    Editorial Team
    2026-06-15T17:13:08+00:00Added an answer on June 15, 2026 at 5:13 pm

    Add

    catspinner.setOnItemSelectedListener(new planOnClickListener());
    

    to

    chooseCategory();
    

    Here’s the whole code-

    public class TemoActivity extends Activity {
    
    public Spinner catspinner,planspinner3,planspinner1,planspinner2;
    
    
    protected void onCreate(Bundle mbfSplash) {
            super.onCreate(mbfSplash);
            setContentView(R.layout.main);
    
    chooseCategory();
    choosePersonalPlan();
    chooseLargeBusPlan();
    chooseSmallMedPlan();
    }
    
    public void chooseCategory() {
    
        catspinner = (Spinner) findViewById(R.id.catspinner);
        ArrayAdapter<CharSequence> catAdapter = ArrayAdapter.createFromResource(this, R.array.ducategory, android.R.layout.simple_spinner_item);
        catAdapter.setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item);
        catspinner.setAdapter(catAdapter);
        catspinner.setOnItemSelectedListener(new planOnClickListener());
    }
    private void choosePersonalPlan(){
        planspinner1 = (Spinner) findViewById(R.id.planspinner);
        List<String> planlist = new ArrayList<String>();
        planlist.add("Elite Regular Plan");
        planlist.add("Elite Super Plans");
        planlist.add("Emirati Plan");
        planlist.add("Pay As You Go");
        planlist.add("Visitor Mobile Line");
        ArrayAdapter<String> planAdapter1 = new ArrayAdapter<String>(this,
            android.R.layout.simple_spinner_item, planlist);
        planAdapter1.setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item);
        planspinner1.setAdapter(planAdapter1);
    
    }
    
    private void chooseLargeBusPlan(){
    
        planspinner2 = (Spinner) findViewById(R.id.planspinner);
        List<String> planlist1 = new ArrayList<String>();
        planlist1.add("Premier Plan");
        planlist1.add("The Executive Plan");
        planlist1.add("Business Circle Plan");
        planlist1.add("Business Diamond Plan");
        ArrayAdapter<String> planAdapter2 = new ArrayAdapter<String>(this,
            android.R.layout.simple_spinner_item, planlist1);
        planAdapter2.setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item);
        planspinner2.setAdapter(planAdapter2);
    
    
    }
    private void chooseSmallMedPlan(){
    
        planspinner2 = (Spinner) findViewById(R.id.planspinner);
        List<String> planlist2 = new ArrayList<String>();
        planlist2.add("Business Super Plan");
        planlist2.add("Her Business Super Plan");
        planlist2.add("Business Circle Plan");
        planlist2.add("Pay As you Go® Plus");
        ArrayAdapter<String> planAdapter3 = new ArrayAdapter<String>(this,
            android.R.layout.simple_spinner_item, planlist2);
    planAdapter3.setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item);
    planspinner2.setAdapter(planAdapter3);
    
    }
    
    
    public class planOnClickListener implements OnItemSelectedListener {
    
             @Override
            public void onItemSelected(AdapterView<?> parent, View v, int pos,
                    long id) {
    
                parent.getItemAtPosition(pos);  
    
                if (pos==0){
                choosePersonalPlan();   
                }else if (pos==1){
                chooseLargeBusPlan();
                } else if (pos==2){
                chooseSmallMedPlan();
     }
            }
            @Override
            public void onNothingSelected(AdapterView<?> arg0) {
                // TODO Auto-generated method stub
    
            }
            }
    }
    
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