ListView - Problem - Wo ist der Fehler?

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badkeks

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Code:
[COLOR=Red]03-28 19:50:11.564: ERROR/AndroidRuntime(814): Uncaught handler: thread main exiting due to uncaught exception
03-28 19:50:11.583: ERROR/AndroidRuntime(814): java.lang.RuntimeException: Unable to start activity ComponentInfo{de.tomsterminplaner/de.tomsterminplaner.TerminNavigation}: java.lang.NullPointerException
03-28 19:50:11.583: ERROR/AndroidRuntime(814):     at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2401)
03-28 19:50:11.583: ERROR/AndroidRuntime(814):     at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2417)
03-28 19:50:11.583: ERROR/AndroidRuntime(814):     at android.app.ActivityThread.access$2100(ActivityThread.java:116)
03-28 19:50:11.583: ERROR/AndroidRuntime(814):     at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1794)
03-28 19:50:11.583: ERROR/AndroidRuntime(814):     at android.os.Handler.dispatchMessage(Handler.java:99)
03-28 19:50:11.583: ERROR/AndroidRuntime(814):     at android.os.Looper.loop(Looper.java:123)
03-28 19:50:11.583: ERROR/AndroidRuntime(814):     at android.app.ActivityThread.main(ActivityThread.java:4203)
03-28 19:50:11.583: ERROR/AndroidRuntime(814):     at java.lang.reflect.Method.invokeNative(Native Method)
03-28 19:50:11.583: ERROR/AndroidRuntime(814):     at java.lang.reflect.Method.invoke(Method.java:521)
03-28 19:50:11.583: ERROR/AndroidRuntime(814):     at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:791)
03-28 19:50:11.583: ERROR/AndroidRuntime(814):     at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:549)
03-28 19:50:11.583: ERROR/AndroidRuntime(814):     at dalvik.system.NativeStart.main(Native Method)
03-28 19:50:11.583: ERROR/AndroidRuntime(814): Caused by: java.lang.NullPointerException
03-28 19:50:11.583: ERROR/AndroidRuntime(814):     at de.tomsterminplaner.TerminNavigation.onCreate(TerminNavigation.java:32)
03-28 19:50:11.583: ERROR/AndroidRuntime(814):     at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1123)
03-28 19:50:11.583: ERROR/AndroidRuntime(814):     at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2364)
03-28 19:50:11.583: ERROR/AndroidRuntime(814):     ... 11 more[/COLOR]
Code:
public class TerminNavigation extends Activity {
    
        private ListView lv1;
        private String lv_arr[]={"Test1","Test2","Test3","Test4"};

    
    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.navigation);
        
        lv1 = (ListView)findViewById(R.id.ListView01);
        // By using setAdpater method in listview we an add string array in list.
        lv1.setAdapter(new ArrayAdapter<String>(this,android.R.layout.simple_list_item_1 , lv_arr));
}
}
Ich versteh nicht ganz woher dieser Moderation: unerwünschter Ausdruck! Null Pointer kommt... sieht da jemand vielleicht was auf anhieb..?!?
 
naja in zeile 32 ist die npe


nimm dir die zeile heraus

teile einzelne elemente auf und schau nach welches null ist.
 
badkeks schrieb:
Code:
[COLOR=Red]Caused by: java.lang.NullPointerException
03-28 19:50:11.583: ERROR/AndroidRuntime(814): at de.tomsterminplaner.TerminNavigation.onCreate([B]TerminNavigation.java:32[/B])
[/COLOR]
sieht da jemand vielleicht was auf anhieb..?!?
In Zeile 32 deines Quellcodes.
 

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