public class UserCustomAdapter extends ArrayAdapter<User> {
 
  UserHolder holder = null;
  Context context;
  int layoutResourceId;
  ArrayList<User> data = new ArrayList<User>();
  public UserCustomAdapter(Context context, int layoutResourceId,
    ArrayList<User> data) {
    super(context, layoutResourceId, data);
    this.layoutResourceId = layoutResourceId;
    this.context = context;
    this.data = data;
    }
    @Override
    public View getView(int position, final View convertView, ViewGroup parent) {
    
     View row = convertView;
    
    if (row == null) {
     LayoutInflater inflater = ((MainActivity) context).getLayoutInflater();
     row = inflater.inflate(layoutResourceId, parent, false);
     holder = new UserHolder();
     holder.textName = (TextView) row.findViewById(R.id.textView1);
     holder.textAddress = (TextView) row.findViewById(R.id.textView2);
     holder.textLocation = (TextView) row.findViewById(R.id.textView3);
     holder.btnEdit = (Button) row.findViewById(R.id.button1);
     holder.btnDelete = (Button) row.findViewById(R.id.button2);
     holder.imageView = (ImageView) row.findViewById(R.id.imageview1);
     holder.textViewDeneme = (TextView)row.findViewById(R.id.textView1s);
     
     row.setTag(holder);
     }
    else {
     holder = (UserHolder) row.getTag();
    
     }
    
     final User user = data.get(position);
     
     holder.textName.setText(user.getName());
     holder.textAddress.setText(user.getAddress());
     holder.textLocation.setText(user.getLocation());
     holder.imageView.setImageResource(user.iconid());
  
     
     holder.btnEdit.setOnClickListener(new OnClickListener() {
    
      @Override
      public void onClick(View v) {
      // TODO Auto-generated method stub
       
       
      Log.i("Edit Button Clicked", "**********");
      Toast.makeText(context, user.getAddress().toString(),  Burası  Çalışıyor
      Toast.LENGTH_LONG).show();
      
      //String adres = user.getAddress().toString();             
      
      //holder.textViewDeneme.setText(adres);                     Null Pointer Hatası veriyor
      
      
      }
      });
      holder.btnDelete.setOnClickListener(new OnClickListener() {
      @Override
      public void onClick(View v) {
      // TODO Auto-generated method stub
      Log.i("Delete Button Clicked", "**********");
      Toast.makeText(context, "Delete button Clicked",
      Toast.LENGTH_LONG).show();
      }
      });
    
        holder.imageView.setOnClickListener(new OnClickListener() {
        @Override
        public void onClick(View v) {
        // TODO Auto-generated method stub
        Log.i("image Clicked", "**********");
        Toast.makeText(context, "image Clicked",
        Toast.LENGTH_LONG).show();
        }
        });
        
     return row;
        }
   
  
  
static class UserHolder {
      TextView textName;
      TextView textAddress;
      TextView textLocation;
      Button btnEdit;
      Button btnDelete;
      ImageView imageView;
      TextView textViewDeneme;
    }
    
    }

 

 

03-27 14:42:25.440: W/dalvikvm(6890): threadid=1: thread exiting with uncaught exception (group=0x41db8c08)
03-27 14:42:25.440: E/AndroidRuntime(6890): FATAL EXCEPTION: main
03-27 14:42:25.440: E/AndroidRuntime(6890): Process: com.example.customlistviweheman, PID: 6890
03-27 14:42:25.440: E/AndroidRuntime(6890): java.lang.NullPointerException
03-27 14:42:25.440: E/AndroidRuntime(6890):  at com.example.customlistviweheman.UserCustomAdapter$1.onClick(UserCustomAdapter.java:69)
03-27 14:42:25.440: E/AndroidRuntime(6890):  at android.view.View.performClick(View.java:4633)
03-27 14:42:25.440: E/AndroidRuntime(6890):  at android.view.View$PerformClick.run(View.java:19330)
03-27 14:42:25.440: E/AndroidRuntime(6890):  at android.os.Handler.handleCallback(Handler.java:733)
03-27 14:42:25.440: E/AndroidRuntime(6890):  at android.os.Handler.dispatchMessage(Handler.java:95)
03-27 14:42:25.440: E/AndroidRuntime(6890):  at android.os.Looper.loop(Looper.java:157)
03-27 14:42:25.440: E/AndroidRuntime(6890):  at android.app.ActivityThread.main(ActivityThread.java:5356)
03-27 14:42:25.440: E/AndroidRuntime(6890):  at java.lang.reflect.Method.invokeNative(Native Method)
03-27 14:42:25.440: E/AndroidRuntime(6890):  at java.lang.reflect.Method.invoke(Method.java:515)
03-27 14:42:25.440: E/AndroidRuntime(6890):  at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:1265)
03-27 14:42:25.440: E/AndroidRuntime(6890):  at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:1081)
03-27 14:42:25.440: E/AndroidRuntime(6890):  at dalvik.system.NativeStart.main(Native Method)

Konum bilğimi alırken sürekli uygulama daha açılmadan bu hatayı alıyorum. LocationManeger kullanarak konum bilgimi alabildigimi fakat ConnectionCallbacks ve OnConnectionFailedListener'i implement ederek denedigimde bu hatayı aldığımı farkettim.

<LogCat>

09-18 09:45:38.701: E/AndroidRuntime(812): FATAL EXCEPTION: main
09-18 09:45:38.701: E/AndroidRuntime(812): java.lang.RuntimeException: Unable to instantiate activity ComponentInfo{com.frknbrgl.nerdeyim/com.frknbrgl.nerdeyim.MainActivity}: java.lang.ClassNotFoundException: Didn't find class "com.frknbrgl.nerdeyim.MainActivity" on path: DexPathList[[zip file "/data/app/com.frknbrgl.nerdeyim-1.apk"],nativeLibraryDirectories=[/data/app-lib/com.frknbrgl.nerdeyim-1, /system/lib]]
09-18 09:45:38.701: E/AndroidRuntime(812):     at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2137)
09-18 09:45:38.701: E/AndroidRuntime(812):     at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2261)
09-18 09:45:38.701: E/AndroidRuntime(812):     at android.app.ActivityThread.access$600(ActivityThread.java:141)
09-18 09:45:38.701: E/AndroidRuntime(812):     at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1256)
09-18 09:45:38.701: E/AndroidRuntime(812):     at android.os.Handler.dispatchMessage(Handler.java:99)
09-18 09:45:38.701: E/AndroidRuntime(812):     at android.os.Looper.loop(Looper.java:137)
09-18 09:45:38.701: E/AndroidRuntime(812):     at android.app.ActivityThread.main(ActivityThread.java:5103)
09-18 09:45:38.701: E/AndroidRuntime(812):     at java.lang.reflect.Method.invokeNative(Native Method)
09-18 09:45:38.701: E/AndroidRuntime(812):     at java.lang.reflect.Method.invoke(Method.java:525)
09-18 09:45:38.701: E/AndroidRuntime(812):     at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:737)
09-18 09:45:38.701: E/AndroidRuntime(812):     at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:553)
09-18 09:45:38.701: E/AndroidRuntime(812):     at dalvik.system.NativeStart.main(Native Method)
09-18 09:45:38.701: E/AndroidRuntime(812): Caused by: java.lang.ClassNotFoundException: Didn't find class "com.frknbrgl.nerdeyim.MainActivity" on path: DexPathList[[zip file "/data/app/com.frknbrgl.nerdeyim-1.apk"],nativeLibraryDirectories=[/data/app-lib/com.frknbrgl.nerdeyim-1, /system/lib]]
09-18 09:45:38.701: E/AndroidRuntime(812):     at dalvik.system.BaseDexClassLoader.findClass(BaseDexClassLoader.java:53)
09-18 09:45:38.701: E/AndroidRuntime(812):     at java.lang.ClassLoader.loadClass(ClassLoader.java:501)
09-18 09:45:38.701: E/AndroidRuntime(812):     at java.lang.ClassLoader.loadClass(ClassLoader.java:461)
09-18 09:45:38.701: E/AndroidRuntime(812):     at android.app.Instrumentation.newActivity(Instrumentation.java:1061)
09-18 09:45:38.701: E/AndroidRuntime(812):     at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2128)
09-18 09:45:38.701: E/AndroidRuntime(812):     ... 11 more

<MainActivty>

import android.location.Location;
import android.os.Bundle;
import android.support.v4.app.FragmentActivity;
import android.widget.TextView;

import com.google.android.gms.common.ConnectionResult;
import com.google.android.gms.common.GooglePlayServicesClient.ConnectionCallbacks;
import com.google.android.gms.common.GooglePlayServicesClient.OnConnectionFailedListener;
import com.google.android.gms.location.LocationClient;
import com.google.android.gms.location.LocationListener;
import com.google.android.gms.location.LocationRequest;

public class MainActivity extends FragmentActivity implements ConnectionCallbacks, OnConnectionFailedListener, LocationListener {
    
    private LocationClient locationClient;
    private LocationRequest locationRequest;
    private TextView enlemTextView;
    private TextView boylamTextView;
   

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        
        enlemTextView = (TextView) findViewById(R.id.textView1);
        boylamTextView = (TextView) findViewById(R.id.textView2);
               
        locationClient = new LocationClient(this, this, this);
        
        locationRequest = LocationRequest.create()
                  .setInterval(5000)
                  .setFastestInterval(16)
                  .setPriority(LocationRequest.PRIORITY_HIGH_ACCURACY);
    }
    
    @Override
    public void onLocationChanged(Location location) {
        enlemTextView.setText(String.valueOf(location.getLatitude()));
        boylamTextView.setText(String.valueOf(location.getLongitude()));
        
            }
    

    @Override
    public void onConnected(Bundle connectionHint) {
        locationClient.requestLocationUpdates(locationRequest, this);
    }

    @Override
    public void onDisconnected() {}

    @Override
    public void onConnectionFailed(ConnectionResult result) {}

    @Override
    protected void onResume() {
        super.onResume();
        locationClient.connect();
    }

    @Override
    public void onPause() {
        super.onPause();
        
        if(locationClient.isConnected())
            locationClient.removeLocationUpdates(this);
        
        locationClient.disconnect();
    }

}

 

<AndroidManifest>

<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
    package="com.frknbrgl.nerdeyim"
    android:versionCode="1"
    android:versionName="1.0" >

    <uses-sdk
        android:minSdkVersion="18"
        android:targetSdkVersion="18" />
    
    <uses-permission android:name="android.permission.ACCESS_FINE_LOCATION"/>
    <uses-permission android:name="android.permission.INTERNET"/>

    <application
        android:allowBackup="true"
        android:icon="@drawable/ic_launcher"
        android:label="@string/app_name"
        android:theme="@style/AppTheme" >
        <activity
            android:name=".MainActivity"
            android:label="@string/app_name" >
            <intent-filter>
                <action android:name="android.intent.action.MAIN" />

                <category android:name="android.intent.category.LAUNCHER" />
            </intent-filter>
        </activity>
    </application>

</manifest>

Android de konum bilgimi almak istiyorum fakat sürekli ' Maalesef <uygulama_adi> durdu ' hatası alıyorum.Emilatör olarak HTC One telefonumu kullanıyorum.Herşeyi tam yaptığımı sanıyorum yardımcı olurmusunuz. google_play_services-lib kütüphanesini projeye import ettim.

<LogCat>

09-16 23:32:27.828: W/asset(2482): Copying FileAsset 0x76646d90 (zip:/data/app/com.frknbrgl.nerdeyim-1.apk:/resources.arsc) to buffer size 142268 to make it aligned.

09-16 23:32:27.848: W/dalvikvm(2482): Link of class 'Lcom/frknbrgl/nerdeyim/MainActivity;' failed

09-16 23:32:27.848: W/dalvikvm(2482): threadid=1: thread exiting with uncaught exception (group=0x416c8e18)

09-16 23:32:27.848: E/AndroidRuntime(2482): FATAL EXCEPTION: main

09-16 23:32:27.848: E/AndroidRuntime(2482): Process: com.frknbrgl.nerdeyim, PID: 2482

09-16 23:32:27.848: E/AndroidRuntime(2482): java.lang.RuntimeException: Unable to instantiate activity ComponentInfo{com.frknbrgl.nerdeyim/com.frknbrgl.nerdeyim.MainActivity}: java.lang.ClassNotFoundException: Didn't find class "com.frknbrgl.nerdeyim.MainActivity" on path: DexPathList[[zip file "/data/app/com.frknbrgl.nerdeyim-1.apk"],nativeLibraryDirectories=[/data/app-lib/com.frknbrgl.nerdeyim-1, /vendor/lib, /system/lib]]

09-16 23:32:27.848: E/AndroidRuntime(2482):        at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2503)

09-16 23:32:27.848: E/AndroidRuntime(2482):        at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2641)

09-16 23:32:27.848: E/AndroidRuntime(2482):        at android.app.ActivityThread.access$800(ActivityThread.java:156)

09-16 23:32:27.848: E/AndroidRuntime(2482):        at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1355)

09-16 23:32:27.848: E/AndroidRuntime(2482):        at android.os.Handler.dispatchMessage(Handler.java:102)

09-16 23:32:27.848: E/AndroidRuntime(2482):        at android.os.Looper.loop(Looper.java:157)

09-16 23:32:27.848: E/AndroidRuntime(2482):        at android.app.ActivityThread.main(ActivityThread.java:5867)

09-16 23:32:27.848: E/AndroidRuntime(2482):        at java.lang.reflect.Method.invokeNative(Native Method)

09-16 23:32:27.848: E/AndroidRuntime(2482):        at java.lang.reflect.Method.invoke(Method.java:515)

09-16 23:32:27.848: E/AndroidRuntime(2482):        at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:858)

09-16 23:32:27.848: E/AndroidRuntime(2482):        at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:674)

09-16 23:32:27.848: E/AndroidRuntime(2482):        at dalvik.system.NativeStart.main(Native Method)

09-16 23:32:27.848: E/AndroidRuntime(2482): Caused by: java.lang.ClassNotFoundException: Didn't find class "com.frknbrgl.nerdeyim.MainActivity" on path: DexPathList[[zip file "/data/app/com.frknbrgl.nerdeyim-1.apk"],nativeLibraryDirectories=[/data/app-lib/com.frknbrgl.nerdeyim-1, /vendor/lib, /system/lib]]

09-16 23:32:27.848: E/AndroidRuntime(2482):        at dalvik.system.BaseDexClassLoader.findClass(BaseDexClassLoader.java:56)

09-16 23:32:27.848: E/AndroidRuntime(2482):        at java.lang.ClassLoader.loadClass(ClassLoader.java:497)

09-16 23:32:27.848: E/AndroidRuntime(2482):        at java.lang.ClassLoader.loadClass(ClassLoader.java:457)

09-16 23:32:27.848: E/AndroidRuntime(2482):        at android.app.Instrumentation.newActivity(Instrumentation.java:1079)

09-16 23:32:27.848: E/AndroidRuntime(2482):        at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2494)

09-16 23:32:27.848: E/AndroidRuntime(2482):        ... 11 more

09-16 23:32:31.252: D/Process(2482): killProcess, pid=2482

09-16 23:32:31.252: D/Process(2482): com.android.internal.os.RuntimeInit$UncaughtHandler.uncaughtException:136 java.lang.ThreadGroup.uncaughtException:693 java.lang.ThreadGroup.uncaughtException:690

 

<MainActivty.java>

package com.frknbrgl.nerdeyim;

import java.io.IOException;
import java.util.List;
import java.util.Locale;

import android.content.Context;
import android.location.Address;
import android.location.Geocoder;
import android.location.Location;
import android.os.AsyncTask;
import android.os.Bundle;
import android.support.v4.app.FragmentActivity;
import android.widget.TextView;

import com.google.android.gms.common.ConnectionResult;
import com.google.android.gms.common.GooglePlayServicesClient.ConnectionCallbacks;
import com.google.android.gms.common.GooglePlayServicesClient.OnConnectionFailedListener;
import com.google.android.gms.location.LocationClient;
import com.google.android.gms.location.LocationListener;
import com.google.android.gms.location.LocationRequest;

public class MainActivity extends FragmentActivity implements ConnectionCallbacks, OnConnectionFailedListener, LocationListener {
    
    private LocationClient locationClient;
    private LocationRequest locationRequest;
    private TextView enlemTextView;
    private TextView boylamTextView;
    private TextView adresTextView;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        
        enlemTextView = (TextView) findViewById(R.id.enlemTextView);
        boylamTextView = (TextView) findViewById(R.id.boylamTextView);
        adresTextView = (TextView) findViewById(R.id.adresTextView);
        
        locationClient = new LocationClient(this, this, this);
        
        locationRequest = LocationRequest.create()
                  .setInterval(0)
                  .setFastestInterval(0)
                  .setPriority(LocationRequest.PRIORITY_HIGH_ACCURACY);
    }
    
    @Override
    public void onLocationChanged(Location location) {
        enlemTextView.setText(String.valueOf(location.getLatitude()));
        boylamTextView.setText(String.valueOf(location.getLongitude()));
        
        GeocodingTask task = new GeocodingTask(MainActivity.this);
        task.execute(new Location[] {location});
    }
    
private class GeocodingTask extends AsyncTask<Location, Void, String> {
        
        private Context context;

        public GeocodingTask(Context context) {
            super();
            this.context = context;
        }
        
        @Override
        protected String doInBackground(Location... params) {
            
            Location location = params[0];
            Geocoder geocoder = new Geocoder(context, new Locale("tr", "TR"));
            
            try {
                List<Address> adresListesi = geocoder.getFromLocation(location.getLatitude(), location.getLongitude(), 1);
                
                if(adresListesi != null && adresListesi.size() > 0) {
                    
                    Address adres = adresListesi.get(0);
                    String adresSatiri = adres.getMaxAddressLineIndex() > 0 ? adres.getAddressLine(0) : "";
                    String postaKodu = adres.getPostalCode();
                    String ulke = adres.getCountryName();
                    String adresString = String.format("%s, %s, %s", adresSatiri, postaKodu, ulke);
                    return adresString;
                    
                }
            } catch (IOException e) {
                e.printStackTrace();
            }
            
            return "";
        }

        @Override
        protected void onPostExecute(String result) {
            adresTextView.setText(result);
        }
        
    }

    @Override
    public void onConnected(Bundle connectionHint) {
        locationClient.requestLocationUpdates(locationRequest, this);
    }

    @Override
    public void onDisconnected() {}

    @Override
    public void onConnectionFailed(ConnectionResult result) {}

    @Override
    protected void onResume() {
        super.onResume();
        locationClient.connect();
    }

    @Override
    public void onPause() {
        super.onPause();
        
        if(locationClient.isConnected())
            locationClient.removeLocationUpdates(this);
        
        locationClient.disconnect();
    }

}

 

<AndroidManifest.xml>

<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
    package="com.frknbrgl.nerdeyim"
    android:versionCode="1"
    android:versionName="1.0" >

    <uses-sdk
        android:minSdkVersion="17"
        android:targetSdkVersion="18" />
    
    <uses-permission android:name="android.permission.ACCESS_FINE_LOCATION"/>
    <uses-permission android:name="android.permission.INTERNET"/>

    <application
        android:allowBackup="true"
        android:icon="@drawable/ic_launcher"
        android:label="@string/app_name"
        android:theme="@style/AppTheme" >
        <activity
            android:name=".MainActivity"
            android:label="@string/app_name" >
            <intent-filter>
                <action android:name="android.intent.action.MAIN" />

                <category android:name="android.intent.category.LAUNCHER" />
            </intent-filter>
        </activity>
    </application>

</manifest>