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POandroid.widget.ArrayAdapter.getCount(ArrayAdapter.java:291)
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  1. POandroid.widget.ArrayAdapter.getCount(ArrayAdapter.java:291)
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    copied!<p>How do I fix this error? I can't find anything to help me! Code snippets would be appreciated!</p> <p>The reason the adapter for sp2 is set within the onItemSelected for sp1 is because I want the output for sp2 to be dependent on the selection made in sp1.</p> <p>logcat:</p> <pre><code> 08-05 16:36:24.856: D/dalvikvm(6606): GC_EXTERNAL_ALLOC freed 81K, 43% free 3119K/5379K, external 2770K/2773K, paused 28ms 08-05 16:36:25.707: D/AndroidRuntime(6606): Shutting down VM 08-05 16:36:25.707: W/dalvikvm(6606): threadid=1: thread exiting with uncaught exception (group=0x4001e560) 08-05 16:36:25.707: E/AndroidRuntime(6606): FATAL EXCEPTION: main 08-05 16:36:25.707: E/AndroidRuntime(6606): java.lang.NullPointerException 08-05 16:36:25.707: E/AndroidRuntime(6606): at android.widget.ArrayAdapter.getCount(ArrayAdapter.java:291) 08-05 16:36:25.707: E/AndroidRuntime(6606): at android.widget.AbsSpinner.setAdapter(AbsSpinner.java:113) 08-05 16:36:25.707: E/AndroidRuntime(6606): at com.madonk.louisiana.festivals.Region$1.onItemSelected(Region.java:107) 08-05 16:36:25.707: E/AndroidRuntime(6606): at android.widget.AdapterView.fireOnSelected(AdapterView.java:877) 08-05 16:36:25.707: E/AndroidRuntime(6606): at android.widget.AdapterView.access$200(AdapterView.java:42) 08-05 16:36:25.707: E/AndroidRuntime(6606): at android.widget.AdapterView$SelectionNotifier.run(AdapterView.java:843) 08-05 16:36:25.707: E/AndroidRuntime(6606): at android.os.Handler.handleCallback(Handler.java:587) 08-05 16:36:25.707: E/AndroidRuntime(6606): at android.os.Handler.dispatchMessage(Handler.java:92) 08-05 16:36:25.707: E/AndroidRuntime(6606): at android.os.Looper.loop(Looper.java:130) 08-05 16:36:25.707: E/AndroidRuntime(6606): at android.app.ActivityThread.main(ActivityThread.java:3821) 08-05 16:36:25.707: E/AndroidRuntime(6606): at java.lang.reflect.Method.invokeNative(Native Method) 08-05 16:36:25.707: E/AndroidRuntime(6606): at java.lang.reflect.Method.invoke(Method.java:507) 08-05 16:36:25.707: E/AndroidRuntime(6606): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:839) 08-05 16:36:25.707: E/AndroidRuntime(6606): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:597) 08-05 16:36:25.707: E/AndroidRuntime(6606): at dalvik.system.NativeStart.main(Native Method) </code></pre> <p>Here is the offending code:</p> <pre><code>sp2.setAdapter(sc_cit_adp); </code></pre> <p>.java:</p> <pre><code>package com.madonk.louisiana.festivals; import java.util.ArrayList; import java.util.Arrays; import java.util.List; import android.os.Bundle; import android.app.Activity; import android.view.View; import android.widget.AdapterView; import android.widget.AdapterView.OnItemSelectedListener; import android.widget.ArrayAdapter; import android.widget.Spinner; /** * @author madonk * */ public class Region extends Activity { Spinner sp1,sp2,sp3; ArrayAdapter&lt;String&gt; reg_adp,sw_cit_adp,sc_cit_adp,sw_lake_charles_adp,sw_iowa_adp,sc_lafayette_adp,sc_gueydan_adp; List&lt;String&gt; regions,sw_cities,sc_cities,sw_lake_charles,sw_iowa,sc_lafayette,sc_gueydan; int pos; @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_region); String[] regionsArray = getResources().getStringArray(R.array.regions_array); regions = new ArrayList&lt;String&gt;(Arrays.asList(regionsArray)); String[] swcitiesArray = getResources().getStringArray(R.array.southwest_cities_array); sw_cities = new ArrayList&lt;String&gt;(Arrays.asList(swcitiesArray)); String[] swiowaArray = getResources().getStringArray(R.array.sw_iowa_array); sw_iowa = new ArrayList&lt;String&gt;(Arrays.asList(swiowaArray)); String[] swlakecharlesArray = getResources().getStringArray(R.array.sw_lake_charles_array); sw_lake_charles = new ArrayList&lt;String&gt;(Arrays.asList(swlakecharlesArray)); String[] sclafayetteArray = getResources().getStringArray(R.array.sc_lafayette_array); sc_lafayette = new ArrayList&lt;String&gt;(Arrays.asList(sclafayetteArray)); String[] scgueydanArray = getResources().getStringArray(R.array.sc_gueydan_array); sc_gueydan = new ArrayList&lt;String&gt;(Arrays.asList(scgueydanArray)); sp1= (Spinner) findViewById(R.id.regions_spinner); sp2= (Spinner) findViewById(R.id.city_spinner); sp3= (Spinner) findViewById(R.id.festival_spinner); reg_adp=new ArrayAdapter&lt;String&gt; (this,android.R.layout.simple_dropdown_item_1line,regions); reg_adp.setDropDownViewResource(android.R.layout.simple_dropdown_item_1line); sp1.setAdapter(reg_adp); sw_cit_adp=new ArrayAdapter&lt;String&gt; (this,android.R.layout.simple_dropdown_item_1line,sw_cities); sw_cit_adp.setDropDownViewResource(android.R.layout.simple_dropdown_item_1line); sw_lake_charles_adp=new ArrayAdapter&lt;String&gt; (this,android.R.layout.simple_dropdown_item_1line,sw_lake_charles); sw_lake_charles_adp.setDropDownViewResource(android.R.layout.simple_dropdown_item_1line); sw_iowa_adp=new ArrayAdapter&lt;String&gt; (this,android.R.layout.simple_dropdown_item_1line,sw_iowa); sw_iowa_adp.setDropDownViewResource(android.R.layout.simple_dropdown_item_1line); sc_cit_adp=new ArrayAdapter&lt;String&gt; (this,android.R.layout.simple_dropdown_item_1line,sc_cities); sc_cit_adp.setDropDownViewResource(android.R.layout.simple_dropdown_item_1line); sc_lafayette_adp=new ArrayAdapter&lt;String&gt; (this,android.R.layout.simple_dropdown_item_1line,sc_lafayette); sc_lafayette_adp.setDropDownViewResource(android.R.layout.simple_dropdown_item_1line); sc_gueydan_adp=new ArrayAdapter&lt;String&gt; (this,android.R.layout.simple_dropdown_item_1line,sc_gueydan); sc_gueydan_adp.setDropDownViewResource(android.R.layout.simple_dropdown_item_1line); sp1.setOnItemSelectedListener(new OnItemSelectedListener() { public void onItemSelected(AdapterView&lt;?&gt; arg0, View arg1, int arg2, long arg3) { String reg_select = (sp1.getSelectedItem().toString()); if (reg_select.contentEquals("Southwest")){ sp2.setAdapter(sw_cit_adp); sp2.setOnItemSelectedListener(new OnItemSelectedListener() { public void onItemSelected(AdapterView&lt;?&gt; arg0, View arg1, int arg2, long arg3) { // TODO Auto-generated method stub String sw_cit_select = (sp2.getSelectedItem().toString()); if (sw_cit_select.contentEquals("Lake Charles")){ sp3.setAdapter(sw_lake_charles_adp); } else if (sw_cit_select.contentEquals("Iowa")){ sp3.setAdapter(sw_iowa_adp); } ;} public void onNothingSelected(AdapterView&lt;?&gt; arg0) { // TODO Auto-generated method stub };});} else if (reg_select.contentEquals("South Central")){ sp2.setAdapter(sc_cit_adp); sp2.setOnItemSelectedListener(new OnItemSelectedListener() { public void onItemSelected(AdapterView&lt;?&gt; arg0, View arg1, int arg2, long arg3) { // TODO Auto-generated method stub String sc_cit_select = (sp2.getSelectedItem().toString()); if (sc_cit_select.contentEquals("Lafayette")){ sp3.setAdapter(sc_lafayette_adp); } else if (sc_cit_select.contentEquals("Gueydan")){ sp3.setAdapter(sc_gueydan_adp); } ;} public void onNothingSelected(AdapterView&lt;?&gt; arg0) { // TODO Auto-generated method stub };});} } public void onNothingSelected(AdapterView&lt;?&gt; arg0) { // TODO Auto-generated method stub } });}} </code></pre>
 

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