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copied!<p>If you're using Eclipse, make sure you use debug and not run. Make sure you are in the debug perspective (top right) You may have to hit 'Resume' (F8) a few times for the log to print. The crash log will be in the Logcat window at the bottom- double click for fullscreen and make sure you scroll to the bottom. You'll see red text for errors, the crash trace will be something like </p> <pre><code>09-04 21:35:15.228: ERROR/AndroidRuntime(778): Uncaught handler: thread main exiting due to uncaught exception 09-04 21:35:15.397: ERROR/AndroidRuntime(778): java.lang.RuntimeException: Unable to start activity ComponentInfo{com.dazlious.android.helloworld/com.dazlious.android.helloworld.main}: java.lang.ArrayIndexOutOfBoundsException 09-04 21:35:15.397: ERROR/AndroidRuntime(778): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2268) 09-04 21:35:15.397: ERROR/AndroidRuntime(778): at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2284) 09-04 21:35:15.397: ERROR/AndroidRuntime(778): at android.app.ActivityThread.access$1800(ActivityThread.java:112) 09-04 21:35:15.397: ERROR/AndroidRuntime(778): at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1692) 09-04 21:35:15.397: ERROR/AndroidRuntime(778): at android.os.Handler.dispatchMessage(Handler.java:99) 09-04 21:35:15.397: ERROR/AndroidRuntime(778): at android.os.Looper.loop(Looper.java:123) 09-04 21:35:15.397: ERROR/AndroidRuntime(778): at android.app.ActivityThread.main(ActivityThread.java:3948) 09-04 21:35:15.397: ERROR/AndroidRuntime(778): at java.lang.reflect.Method.invokeNative(Native Method) 09-04 21:35:15.397: ERROR/AndroidRuntime(778): at java.lang.reflect.Method.invoke(Method.java:521) 09-04 21:35:15.397: ERROR/AndroidRuntime(778): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:782) 09-04 21:35:15.397: ERROR/AndroidRuntime(778): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:540) 09-04 21:35:15.397: ERROR/AndroidRuntime(778): at dalvik.system.NativeStart.main(Native Method) 09-04 21:35:15.397: ERROR/AndroidRuntime(778): Caused by: java.lang.ArrayIndexOutOfBoundsException 09-04 21:35:15.397: ERROR/AndroidRuntime(778): at com.example.android.helloworld.main.onCreate(main.java:13) 09-04 21:35:15.397: ERROR/AndroidRuntime(778): at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1123) 09-04 21:35:15.397: ERROR/AndroidRuntime(778): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2231) 09-04 21:35:15.397: ERROR/AndroidRuntime(778): ... 11 more </code></pre> <p>The important parts for this one are </p> <pre><code>09-04 21:35:15.397: ERROR/AndroidRuntime(778): Caused by: java.lang.ArrayIndexOutOfBoundsException 09-04 21:35:15.397: ERROR/AndroidRuntime(778): at com.example.android.helloworld.main.onCreate(main.java:13) </code></pre> <p>those tell us it was an array out of bounds exception on on line 13 of main.java in the onCrate method.</p>

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