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POGot an error showing invalid index, size is zero on eclipse while developing for android
 

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  1. POGot an error showing invalid index, size is zero on eclipse while developing for android
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    <p>Got an error showing invalid index, size is zero on eclipse and failed to open on emulator.</p> <p>Here is my mainactivity code and logcat error.</p> <pre><code>`package com.example.notetakingapp; import java.util.List; import com.example.notetakingapp.data.NoteDataSource; import com.example.notetakingapp.data.NoteItem; import android.os.Bundle; import android.app.Activity; import android.util.Log; import android.view.Menu; public class MainActivity extends Activity { private NoteDataSource dataSource; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); dataSource=new NoteDataSource(this); List&lt;NoteItem&gt; notes= dataSource.findAll(); NoteItem note=notes.get(0); note.setText("updated!!!"); dataSource.update(note); notes=dataSource.findAll(); note=notes.get(0); Log.i("NOTES", note.getKey() + ": " + note.getText()); }` </code></pre> <p><strong>Logcat:</strong></p> <pre><code>11-21 19:06:59.463: E/Trace(5216): error opening trace file: No such file or directory (2) 11-21 19:07:00.323: D/AndroidRuntime(5216): Shutting down VM 11-21 19:07:00.323: W/dalvikvm(5216): threadid=1: thread exiting with uncaught exception (group=0x40a71930) 11-21 19:07:00.343: E/AndroidRuntime(5216): FATAL EXCEPTION: main 11-21 19:07:00.343: E/AndroidRuntime(5216): java.lang.RuntimeException: Unable to start activity ComponentInfo{com.example.notetakingapp/com.example.notetakingapp.MainActivity}: java.lang.IndexOutOfBoundsException: Invalid index 0, size is 0 11-21 19:07:00.343: E/AndroidRuntime(5216): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2180) 11-21 19:07:00.343: E/AndroidRuntime(5216): at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2230) 11-21 19:07:00.343: E/AndroidRuntime(5216): at android.app.ActivityThread.access$600(ActivityThread.java:141) 11-21 19:07:00.343: E/AndroidRuntime(5216): at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1234) 11-21 19:07:00.343: E/AndroidRuntime(5216): at android.os.Handler.dispatchMessage(Handler.java:99) 11-21 19:07:00.343: E/AndroidRuntime(5216): at android.os.Looper.loop(Looper.java:137) 11-21 19:07:00.343: E/AndroidRuntime(5216): at android.app.ActivityThread.main(ActivityThread.java:5041) 11-21 19:07:00.343: E/AndroidRuntime(5216): at java.lang.reflect.Method.invokeNative(Native Method) 11-21 19:07:00.343: E/AndroidRuntime(5216): at java.lang.reflect.Method.invoke(Method.java:511) 11-21 19:07:00.343: E/AndroidRuntime(5216): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:793) 11-21 19:07:00.343: E/AndroidRuntime(5216): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:560) 11-21 19:07:00.343: E/AndroidRuntime(5216): at dalvik.system.NativeStart.main(Native Method) 11-21 19:07:00.343: E/AndroidRuntime(5216): Caused by: java.lang.IndexOutOfBoundsException: Invalid index 0, size is 0 11-21 19:07:00.343: E/AndroidRuntime(5216): at java.util.ArrayList.throwIndexOutOfBoundsException(ArrayList.java:251) 11-21 19:07:00.343: E/AndroidRuntime(5216): at java.util.ArrayList.get(ArrayList.java:304) 11-21 19:07:00.343: E/AndroidRuntime(5216): at com.example.notetakingapp.MainActivity.onCreate(MainActivity.java:23) 11-21 19:07:00.343: E/AndroidRuntime(5216): at android.app.Activity.performCreate(Activity.java:5104) 11-21 19:07:00.343: E/AndroidRuntime(5216): at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1080) 11-21 19:07:00.343: E/AndroidRuntime(5216): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2144) 11-21 19:07:00.343: E/AndroidRuntime(5216): ... 11 more 11-21 19:07:03.163: I/Process(5216): Sending signal. PID: 5216 SIG: 9 </code></pre>
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    1. This table or related slice is empty.
    1. This table or related slice is empty.
    1. PTQuestion
    1. USSimon Dorociak
    1. USAbhilash
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    1. This table or related slice is empty.
    1. This table or related slice is empty.
    1. This table or related slice is empty.
    1. PO
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      1. PTAnswer
    2. PO
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    3. PO
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      1. POGot an error showing invalid index, size is zero on eclipse while developing for android
      1. This table or related slice is empty.
      1. VTApproveEditSuggestion
    1. COYour `collection` is empty this is reason why you are getting `Exception`. Before manipulating with items you need to check if `collection` is not empty.
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      1. POGot an error showing invalid index, size is zero on eclipse while developing for android
      1. USSimon Dorociak
 

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