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POAndroid and spinner on Eclipse IDE
 

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  1. POAndroid and spinner on Eclipse IDE
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    <p>I do know that this question was discussed many times. I did what I could, sources are installed. To the point: I am using Google sdk - 10, and I am trying to implement spinner with this example: <a href="http://developer.android.com/resources/tutorials/views/hello-spinner.html" rel="nofollow">http://developer.android.com/resources/tutorials/views/hello-spinner.html</a> and still have problem with it. Here is the debug message: </p> <pre><code>AlertController$RecycleListView(ViewGroup).getChildAt(int) line: 3065 /** * Returns the view at the specified position in the group. * * @param index the position at which to get the view from * @return the view at the specified position or null if the position * does not exist within the group */ public View getChildAt(int index) { try { return mChildren[index]; } catch (IndexOutOfBoundsException ex) { return null; } } </code></pre> <p>And here stops execution:</p> <pre><code>return mChildren[index]; </code></pre> <p>What I am doing wrong?</p> <p>Here comes main class:</p> <pre><code>package com.hellospinner.test; import android.app.Activity; import android.os.Bundle; import android.widget.ArrayAdapter; import android.widget.Spinner; public class HelloSpinnerActivity extends Activity { @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.main); Spinner spinner = (Spinner) findViewById(R.id.spinner); ArrayAdapter&lt;CharSequence&gt; adapter = ArrayAdapter.createFromResource(this, R.array.planets_array, android.R.layout.simple_spinner_item); adapter.setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item); spinner.setAdapter(adapter); spinner.setOnItemSelectedListener(new MyOnItemSelectedListener()); } } </code></pre> <p>Here comes my OnItemSelectedListener class:</p> <pre><code>package com.hellospinner.test; import android.view.View; import android.widget.AdapterView; import android.widget.AdapterView.OnItemSelectedListener; import android.widget.Toast; public class MyOnItemSelectedListener implements OnItemSelectedListener { public void onItemSelected(AdapterView&lt;?&gt; parent, View view, int pos, long id) { Toast.makeText(parent.getContext(), "The planet is " + parent.getItemAtPosition(pos).toString(), Toast.LENGTH_LONG).show(); } public void onNothingSelected(AdapterView parent) { } } </code></pre> <p>Here comes main.xml</p> <pre><code>&lt;?xml version="1.0" encoding="utf-8"?&gt; &lt;LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" android:layout_width="fill_parent" android:layout_height="fill_parent" android:orientation="vertical" &gt; &lt;TextView android:layout_width="fill_parent" android:layout_height="wrap_content" android:layout_marginTop="10dip" android:text="@string/planet_prompt" /&gt; &lt;Spinner android:id="@+id/spinner" android:layout_width="fill_parent" android:layout_height="wrap_content" android:prompt="@string/planet_prompt" /&gt; &lt;/LinearLayout&gt; </code></pre> <p>Here comes strings.xml:</p> <pre><code>&lt;?xml version="1.0" encoding="utf-8"?&gt; &lt;resources&gt; &lt;string name="app_name"&gt;HelloSpinner&lt;/string&gt; &lt;string name="planet_prompt"&gt;Choose a planet&lt;/string&gt; &lt;string-array name="planets_array"&gt; &lt;item&gt;Mercury&lt;/item&gt; &lt;item&gt;Venus&lt;/item&gt; &lt;item&gt;Earth&lt;/item&gt; &lt;item&gt;Mars&lt;/item&gt; &lt;item&gt;Jupiter&lt;/item&gt; &lt;item&gt;Saturn&lt;/item&gt; &lt;item&gt;Uranus&lt;/item&gt; &lt;item&gt;Neptune&lt;/item&gt; &lt;/string-array&gt; &lt;/resources&gt; </code></pre> <p>and here logcat</p> <pre><code>Thread [&lt;1&gt; main] (Suspended (exception ArrayIndexOutOfBoundsException)) AlertController$RecycleListView(ViewGroup).getChildAt(int) line: 3065 AlertController$RecycleListView(ListView).layoutChildren() line: 1494 AlertController$RecycleListView(AbsListView).onLayout(boolean, int, int, int, int) line: 1260 AlertController$RecycleListView(View).layout(int, int, int, int) line: 7175 LinearLayout.setChildFrame(View, int, int, int, int) line: 1254 LinearLayout.layoutVertical() line: 1130 LinearLayout.onLayout(boolean, int, int, int, int) line: 1047 LinearLayout(View).layout(int, int, int, int) line: 7175 WeightedLinearLayout(LinearLayout).setChildFrame(View, int, int, int, int) line: 1254 WeightedLinearLayout(LinearLayout).layoutVertical() line: 1130 WeightedLinearLayout(LinearLayout).onLayout(boolean, int, int, int, int) line: 1047 WeightedLinearLayout(View).layout(int, int, int, int) line: 7175 FrameLayout.onLayout(boolean, int, int, int, int) line: 338 FrameLayout(View).layout(int, int, int, int) line: 7175 PhoneWindow$DecorView(FrameLayout).onLayout(boolean, int, int, int, int) line: 338 PhoneWindow$DecorView(View).layout(int, int, int, int) line: 7175 ViewRoot.performTraversals() line: 1140 ViewRoot.handleMessage(Message) line: 1859 ViewRoot(Handler).dispatchMessage(Message) line: 99 Looper.loop() line: 130 ActivityThread.main(String[]) line: 3683 Method.invokeNative(Object, Object[], Class, Class[], Class, int, boolean) line: not available [native method] Method.invoke(Object, Object...) line: 507 ZygoteInit$MethodAndArgsCaller.run() line: 839 ZygoteInit.main(String[]) line: 597 NativeStart.main(String[]) line: not available [native method] </code></pre>
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    1. COCould you add the full exception stacktrace you get from the logcat?
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      1. USLuksprog
    2. COchange public view to public int and check what happen i think problem is from view and you return a int or explain more and paste your full code and logcat output we will try to help you
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      1. POAndroid and spinner on Eclipse IDE
      1. USDeepak Swami
 

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