Android app always crashes

Question

Can anyone please tell me what wrong? The app always crashes on device SE xperia X10. maybe it's the way I'm embedding ADMOB. It doesn't even show for a second. Any clues please? Everything seems to be alright in the XML and the manifest. Thank you

package com.taiic.template.admob;


import com.google.ads.AdRequest;
import com.google.ads.AdView;
import java.io.IOException;
import java.util.*;

import android.widget.*;
import android.view.View;
import android.view.View.OnClickListener;
import android.annotation.SuppressLint;
import android.app.Activity;
import android.os.Bundle;
import android.location.*;
import android.content.*;

import android.app.Activity;
import android.os.Bundle;

public class adMain extends Activity {

    Button addressButton;
    TextView locationText;
    TextView addressText;
    Location currentLocation;
    double currentLatitude;
    double currentLongitude;

    @Override
    public void onCreate(Bundle savedInstanceState) {

        super.onCreate(savedInstanceState);
        setContentView(R.layout.main);




    addressText = (TextView)findViewById(R.id.addressText);
    locationText = (TextView)findViewById(R.id.locationText);
    addressButton = (Button)findViewById(R.id.addressButton);

    this.addressText.setText("ready");

    LocationManager locationManager = 
        (LocationManager)this.getSystemService(Context.LOCATION_SERVICE);

    LocationListener locationListener = new LocationListener() {
        public void onLocationChanged(Location location) {
            updateLocation(location);
        }
        public void onStatusChanged(
                String provider, int status, Bundle extras) {}
        public void onProviderEnabled(String provider) {}
        public void onProviderDisabled(String provider) {}
    };

    locationManager.requestLocationUpdates(
            LocationManager.NETWORK_PROVIDER, 0, 0, locationListener);

    this.addressButton.setOnClickListener(new OnClickListener() {
        public void onClick(View v){
            getAddress();
        }
    });
}

void getAddress(){
    try{
        Geocoder gcd = new Geocoder(this, Locale.getDefault());
        List addresses = 
            gcd.getFromLocation(currentLatitude, currentLongitude,100);
        if (addresses.size() > 0) {
            StringBuilder result = new StringBuilder();
            for(int i = 0; i < addresses.size(); i++){
                Address address =  addresses.get(i);
                int maxIndex = address.getMaxAddressLineIndex();
                for (int x = 0; x <= maxIndex; x++ ){
                    result.append(address.getAddressLine(x));
                    result.append(",");
                }               
                result.append(address.getLocality());
                result.append(",");
                result.append(address.getPostalCode());
                result.append("

");
            }
            addressText.setText(result.toString());
        }
    }
    catch(IOException ex){
        addressText.setText(ex.getMessage().toString());
    }
}

void updateLocation(Location location){
    currentLocation = location;
    currentLatitude = currentLocation.getLatitude();
    currentLongitude = currentLocation.getLongitude();
    locationText.setText(currentLatitude + ", " + currentLongitude);
}

AdView layout = (AdView)this.findViewById(R.id.adView);
AdRequest adRequest = new AdRequest();
adRequest.setTesting(true);
layout.loadAd(adRequest); 
}

And here is the catlog

07-13 00:10:59.451: D/AndroidRuntime(3735): Shutting down VM
07-13 00:10:59.451: W/dalvikvm(3735): threadid=1: thread exiting with uncaught exception (group=0x4001d560)
07-13 00:10:59.461: E/AndroidRuntime(3735): FATAL EXCEPTION: main
07-13 00:10:59.461: E/AndroidRuntime(3735): java.lang.RuntimeException: Unable to instantiate activity ComponentInfo{com.taiic.template.admob/com.taiic.template.admob.adMain}: java.lang.NullPointerException
07-13 00:10:59.461: E/AndroidRuntime(3735):     at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:1581)
07-13 00:10:59.461: E/AndroidRuntime(3735):     at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:1675)
07-13 00:10:59.461: E/AndroidRuntime(3735):     at android.app.ActivityThread.access$1500(ActivityThread.java:121)
07-13 00:10:59.461: E/AndroidRuntime(3735):     at android.app.ActivityThread$H.handleMessage(ActivityThread.java:943)
07-13 00:10:59.461: E/AndroidRuntime(3735):     at android.os.Handler.dispatchMessage(Handler.java:99)
07-13 00:10:59.461: E/AndroidRuntime(3735):     at android.os.Looper.loop(Looper.java:123)
07-13 00:10:59.461: E/AndroidRuntime(3735):     at android.app.ActivityThread.main(ActivityThread.java:3701)
07-13 00:10:59.461: E/AndroidRuntime(3735):     at java.lang.reflect.Method.invokeNative(Native Method)
07-13 00:10:59.461: E/AndroidRuntime(3735):     at java.lang.reflect.Method.invoke(Method.java:507)
07-13 00:10:59.461: E/AndroidRuntime(3735):     at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:862)
07-13 00:10:59.461: E/AndroidRuntime(3735):     at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:620)
07-13 00:10:59.461: E/AndroidRuntime(3735):     at dalvik.system.NativeStart.main(Native Method)
07-13 00:10:59.461: E/AndroidRuntime(3735): Caused by: java.lang.NullPointerException
07-13 00:10:59.461: E/AndroidRuntime(3735):     at android.app.Activity.findViewById(Activity.java:1647)
07-13 00:10:59.461: E/AndroidRuntime(3735):     at com.taiic.template.admob.adMain.(adMain.java:102)
07-13 00:10:59.461: E/AndroidRuntime(3735):     at java.lang.Class.newInstanceImpl(Native Method)
07-13 00:10:59.461: E/AndroidRuntime(3735):     at java.lang.Class.newInstance(Class.java:1409)
07-13 00:10:59.461: E/AndroidRuntime(3735):     at android.app.Instrumentation.newActivity(Instrumentation.java:1021)
07-13 00:10:59.461: E/AndroidRuntime(3735):     at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:1573)
07-13 00:10:59.461: E/AndroidRuntime(3735):     ... 11 more

Android app always crashes

Answers (1)

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