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POProblems in getting selected ListView item
 

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  1. POProblems in getting selected ListView item
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    <p>I am facing issues while trying to get the item selected in the listview. My activity has a tabbed layout with a ListView in one of the layouts. </p> <p>Following is how I have populated the Listview : This is how I declare the ListView in XML :</p> <p>Category_list_display.xml</p> <pre><code>&lt;?xml version="1.0" encoding="utf-8"?&gt; &lt;ListView xmlns:android="http://schemas.android.com/apk/res/android" android:id="@+id/category_view" android:layout_width="match_parent" android:layout_height="match_parent" android:entries="@array/category_options"&gt; &lt;/ListView&gt; </code></pre> <p>Below is the array that I use for populating the ListView :</p> <pre><code>category_values.xml &lt;?xml version="1.0" encoding="utf-8"?&gt; &lt;resources&gt; &lt;string-array name="category_options"&gt; &lt;item &gt;Operating Systems&lt;/item&gt; &lt;item &gt;Programming&lt;/item&gt; &lt;/string-array&gt; &lt;/resources&gt; </code></pre> <p>Below is java code :</p> <pre><code> package com.cheats; import android.os.Bundle; import android.support.v4.app.FragmentTransaction; import android.view.Window; import android.widget.AdapterView; import android.widget.AdapterView.OnItemClickListener; import android.widget.ArrayAdapter; import android.widget.ListView; import android.widget.TextView; import android.widget.Toast; import android.view.View; import com.actionbarsherlock.app.SherlockActivity; import com.actionbarsherlock.view.Menu; import com.actionbarsherlock.view.MenuItem; import com.actionbarsherlock.app.ActionBar; import com.actionbarsherlock.app.ActionBar.Tab; public class LandingPage extends SherlockActivity implements ActionBar.TabListener { private String[] tab_options = { "Categories", "Bookmarks", "Downloads" }; private ListView category_tab_list; @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setTheme(R.style.Theme_Sherlock_Light_DarkActionBar); requestWindowFeature(Window.FEATURE_NO_TITLE); setContentView(R.layout.splash_screen); getSupportActionBar().setNavigationMode(ActionBar.NAVIGATION_MODE_TABS); for (int i = 0; i &lt;= 2; i++) { ActionBar.Tab tab = getSupportActionBar().newTab(); tab.setText("Tab " + i); tab.setTabListener(this); tab.setText(tab_options[i]); getSupportActionBar().addTab(tab); } } @Override public boolean onCreateOptionsMenu(Menu menu) { menu.add("New Update").setIcon(android.R.drawable.ic_menu_view) .setShowAsAction(MenuItem.SHOW_AS_ACTION_ALWAYS); menu.add("Search") .setIcon(R.drawable.ic_search) .setActionView(R.layout.collapsible_edittext) .setShowAsAction( MenuItem.SHOW_AS_ACTION_ALWAYS | MenuItem.SHOW_AS_ACTION_COLLAPSE_ACTION_VIEW); return true; } @Override public void onTabSelected(Tab tab, FragmentTransaction ft) { // TODO Auto-generated method stub int nTabSelected = tab.getPosition(); switch (nTabSelected) { case 0: setContentView(R.layout.category_list_display); category_tab_list = (ListView) findViewById(R.id.category_view); category_tab_list.setOnItemClickListener(new OnItemClickListener() { public void onItemClick(AdapterView&lt;?&gt; myAdapter, View myView, int myItemInt, long mylng) { int selectedPosition = myAdapter.getSelectedItemPosition(); Toast.makeText(getApplicationContext(), myItemInt, Toast.LENGTH_SHORT).show(); } }); break; case 1: setContentView(R.layout.splash_screen); break; case 2: setContentView(R.layout.splash_screen); break; } } @Override public void onTabUnselected(Tab tab, FragmentTransaction ft) { // TODO Auto-generated method stub } @Override public void onTabReselected(Tab tab, FragmentTransaction ft) { // TODO Auto-generated method stub } } </code></pre> <p>I get the following in the logcat when I try to run the above code :</p> <pre><code> 08-21 15:23:56.319: E/AndroidRuntime(1330): FATAL EXCEPTION: main 08-21 15:23:56.319: E/AndroidRuntime(1330): android.content.res.Resources$NotFoundException: String resource ID #0x0 08-21 15:23:56.319: E/AndroidRuntime(1330): at android.content.res.Resources.getText(Resources.java:201) 08-21 15:23:56.319: E/AndroidRuntime(1330): at android.widget.Toast.makeText(Toast.java:258) 08-21 15:23:56.319: E/AndroidRuntime(1330): at com.cheats.LandingPage$1.onItemClick(LandingPage.java:72) 08-21 15:23:56.319: E/AndroidRuntime(1330): at android.widget.AdapterView.performItemClick(AdapterView.java:284) 08-21 15:23:56.319: E/AndroidRuntime(1330): at android.widget.ListView.performItemClick(ListView.java:3513) 08-21 15:23:56.319: E/AndroidRuntime(1330): at android.widget.AbsListView$PerformClick.run(AbsListView.java:1812) 08-21 15:23:56.319: E/AndroidRuntime(1330): at android.os.Handler.handleCallback(Handler.java:587) 08-21 15:23:56.319: E/AndroidRuntime(1330): at android.os.Handler.dispatchMessage(Handler.java:92) 08-21 15:23:56.319: E/AndroidRuntime(1330): at android.os.Looper.loop(Looper.java:123) 08-21 15:23:56.319: E/AndroidRuntime(1330): at android.app.ActivityThread.main(ActivityThread.java:3683) 08-21 15:23:56.319: E/AndroidRuntime(1330): at java.lang.reflect.Method.invokeNative(Native Method) 08-21 15:23:56.319: E/AndroidRuntime(1330): at java.lang.reflect.Method.invoke(Method.java:507) 08-21 15:23:56.319: E/AndroidRuntime(1330): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:839) 08-21 15:23:56.319: E/AndroidRuntime(1330): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:597) 08-21 15:23:56.319: E/AndroidRuntime(1330): at dalvik.system.NativeStart.main(Native Method) </code></pre> <p>I believe that the errors are coming because of the adapter not able to get the position. I do not have any explicit adapter as I am linking the array to ListView directly via XML. I want to keep the code this way. Is there a way I can get this resolved and the pass the selected value to a new activity with a new intent ?</p> <p>I would be grateful for any help/suggestions. </p>
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    1. PTQuestion
    1. This table or related slice is empty.
    1. USAbhishek Sabbarwal
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    1. This table or related slice is empty.
    1. This table or related slice is empty.
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    1. COI was able to solve this using the solution here. http://stackoverflow.com/questions/9444184/onitemclick-string-array-strings-xml-not-listview-arraylist
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      1. POProblems in getting selected ListView item
      1. USAbhishek Sabbarwal
 

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