Absturz beim Einbinden von Admob

Hi,

wenn ich versuch Werbung über Admob in Android-Studio einzubinden, bekomme ich folgende Fehlermeldung:

05-15 08:47:55.338 2776-2776/com.us.aspirationindex E/AndroidRuntime: FATAL EXCEPTION: main
Process: com.us.aspirationindex, PID: 2776
java.lang.RuntimeException: Unable to start activity ComponentInfo{com.us.aspirationindex/com.us.aspirationindex.MainActivity}: java.lang.NullPointerException: Attempt to invoke virtual method 'void com.google.android.gms.ads.AdView.loadAd(com.google.android.gms.ads.AdRequest)' on a null object reference
at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2416)
at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2476)
at android.app.ActivityThread.-wrap11(ActivityThread.java)
at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1344)
at android.os.Handler.dispatchMessage(Handler.java:102)
at android.os.Looper.loop(Looper.java:148)
at android.app.ActivityThread.main(ActivityThread.java:5417)
at java.lang.reflect.Method.invoke(Native Method)
at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:726)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:616)
Caused by: java.lang.NullPointerException: Attempt to invoke virtual method 'void com.google.android.gms.ads.AdView.loadAd(com.google.android.gms.ads.AdRequest)' on a null object reference
at com.us.aspirationindex.MainActivity.onCreate(MainActivity.java:25)
at android.app.Activity.performCreate(Activity.java:6237)
at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1107)
at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2369)
at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2476) 
at android.app.ActivityThread.-wrap11(ActivityThread.java) 
at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1344) 
at android.os.Handler.dispatchMessage(Handler.java:102) 
at android.os.Looper.loop(Looper.java:148) 
at android.app.ActivityThread.main(ActivityThread.java:5417) 
at java.lang.reflect.Method.invoke(Native Method) 
at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:726) 
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:616) 

Könnt ihr mir weiterhelfen.

VG

Hi,

05-15 14:37:34.393 2890-2890/com.us.aspirationindex I/art: Not late-enabling -Xcheck:jni (already on)
05-15 14:37:34.575 2890-2890/com.us.aspirationindex W/System: ClassLoader referenced unknown path: /data/app/com.us.aspirationindex-2/lib/x86
05-15 14:37:35.541 2890-2896/com.us.aspirationindex W/art: Suspending all threads took: 9.427ms
05-15 14:37:42.166 2890-2890/com.us.aspirationindex W/System: ClassLoader referenced unknown path: /data/app/com.us.aspirationindex-2/lib/x86
05-15 14:37:42.511 2890-2900/com.us.aspirationindex I/art: Background sticky concurrent mark sweep GC freed 16142(1591KB) AllocSpace objects, 8(188KB) LOS objects, 69% free, 1144KB/3MB, paused 4.131ms total 129.764ms
05-15 14:37:42.523 2890-2900/com.us.aspirationindex W/art: Suspending all threads took: 11.751ms
05-15 14:37:42.564 2890-2896/com.us.aspirationindex W/art: Suspending all threads took: 6.410ms
05-15 14:37:43.070 2890-2890/com.us.aspirationindex D/AndroidRuntime: Shutting down VM

VG

public class MainActivity extends AppCompatActivity {
Button btneng,btndue;

@Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);

    AdView mAdView = (AdView) findViewById(R.id.adView);
    AdRequest adRequest = new AdRequest.Builder().build();
    mAdView.loadAd(adRequest);

    setContentView(R.layout.activity_main);
    Toolbar toolbar = (Toolbar) findViewById(R.id.toolbar);
    setSupportActionBar(toolbar);
    getSupportActionBar().setTitle("");
    btneng= (Button) findViewById(R.id.buttonEng);
    btndue= (Button) findViewById(R.id.buttonDeu);
    btneng.setOnClickListener(new View.OnClickListener() {
        @Override
        public void onClick(View v) {
            Constants.langkey=Constants.English;
            InitializeTrails();
        }
    });
    btndue.setOnClickListener(new View.OnClickListener() {
        @Override
        public void onClick(View v) {
            Constants.langkey=Constants.Duetsch;
            InitializeTrails();
        }
    });
}

private void InitializeTrails() {
    ArrayList<String> temp=new ArrayList<String>();
    if(Constants.langkey.equals(Constants.English)) {

        //dimentions
        Constants.dimentionsArrayList.clear();
        Constants.dimentionsArrayList.addAll(Arrays.asList(getResources().getStringArray(R.array.engDimentions)));
        //dimentions

        //traits

        Constants.traitsArrayList.clear();

        temp.clear();
        temp.addAll(Arrays.asList(getResources().getStringArray(R.array.eng0)));
        for (String trait:temp) {
            Constants.traitsArrayList.add(new Trait(1,trait));
        }

        temp.clear();
        temp.addAll(Arrays.asList(getResources().getStringArray(R.array.eng1)));
        for (String trait:temp) {
            Constants.traitsArrayList.add(new Trait(2,trait));
        }

        temp.clear();
        temp.addAll(Arrays.asList(getResources().getStringArray(R.array.eng2)));
        for (String trait:temp) {
            Constants.traitsArrayList.add(new Trait(3,trait));
        }

        temp.clear();
        temp.addAll(Arrays.asList(getResources().getStringArray(R.array.eng3)));
        for (String trait:temp) {
            Constants.traitsArrayList.add(new Trait(4,trait));
        }

        temp.clear();
        temp.addAll(Arrays.asList(getResources().getStringArray(R.array.eng4)));
        for (String trait:temp) {
            Constants.traitsArrayList.add(new Trait(5,trait));
        }

        temp.clear();
        temp.addAll(Arrays.asList(getResources().getStringArray(R.array.eng5)));
        for (String trait:temp) {
            Constants.traitsArrayList.add(new Trait(6,trait));
        }

        temp.clear();
        temp.addAll(Arrays.asList(getResources().getStringArray(R.array.eng6)));
        for (String trait:temp) {
            Constants.traitsArrayList.add(new Trait(7,trait));
        }

        //traits
    }
    else
    {

        //dimentions
        Constants.dimentionsArrayList.clear();
        Constants.dimentionsArrayList.addAll(Arrays.asList(getResources().getStringArray(R.array.deuDimentions)));
        //dimentions

        //traits

        Constants.traitsArrayList.clear();

        temp.clear();
        temp.addAll(Arrays.asList(getResources().getStringArray(R.array.deu0)));
        for (String trait:temp) {
            Constants.traitsArrayList.add(new Trait(1,trait));
        }

        temp.clear();
        temp.addAll(Arrays.asList(getResources().getStringArray(R.array.deu1)));
        for (String trait:temp) {
            Constants.traitsArrayList.add(new Trait(2,trait));
        }

        temp.clear();
        temp.addAll(Arrays.asList(getResources().getStringArray(R.array.deu2)));
        for (String trait:temp) {
            Constants.traitsArrayList.add(new Trait(3,trait));
        }

        temp.clear();
        temp.addAll(Arrays.asList(getResources().getStringArray(R.array.deu3)));
        for (String trait:temp) {
            Constants.traitsArrayList.add(new Trait(4,trait));
        }

        temp.clear();
        temp.addAll(Arrays.asList(getResources().getStringArray(R.array.deu4)));
        for (String trait:temp) {
            Constants.traitsArrayList.add(new Trait(5,trait));
        }

        temp.clear();
        temp.addAll(Arrays.asList(getResources().getStringArray(R.array.deu5)));
        for (String trait:temp) {
            Constants.traitsArrayList.add(new Trait(6,trait));
        }

        temp.clear();
        temp.addAll(Arrays.asList(getResources().getStringArray(R.array.deu6)));
        for (String trait:temp) {
            Constants.traitsArrayList.add(new Trait(7,trait));
        }

        //traits
    }
    Collections.shuffle(Constants.traitsArrayList);
    Constants.Limit=Constants.traitsArrayList.size();
    startActivity(new Intent(this,ExplanationActivity.class));
}

}

Danke, hat funktioniert, d.h. die App stürzt nicht mehr ab.

Das Banner wird aber dennoch nicht angezeigt, oder soll ich dafür nen neuen Thread aufmachen.

— geändert am 16.05.2016, 09:16:59

Ja, mehrfach.