java.lang.InstantiationException андроид

Question

Привет У меня есть проблема, и не нашли решительность я пишу андроид службы и это исключение получить «java.lang.InstantiationException» Мой LogCat что

05-23 09:44:20.164 10374-10374/? E/AndroidRuntime﹕ FATAL EXCEPTION: main 
 
    java.lang.RuntimeException: Unable to instantiate service ramazan.com.dovizfiyarlari.tab1$LocalService: java.lang.InstantiationException: can't instantiate class ramazan.com.dovizfiyarlari.tab1$LocalService; no empty constructor 
 
      at android.app.ActivityThread.handleCreateService(ActivityThread.java:2347) 
 
      at android.app.ActivityThread.access$1600(ActivityThread.java:130) 
 
      at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1277) 
 
      at android.os.Handler.dispatchMessage(Handler.java:99) 
 
      at android.os.Looper.loop(Looper.java:137) 
 
      at android.app.ActivityThread.main(ActivityThread.java:4745) 
 
      at java.lang.reflect.Method.invokeNative(Native Method) 
 
      at java.lang.reflect.Method.invoke(Method.java:511) 
 
      at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:786) 
 
      at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:553) 
 
      at dalvik.system.NativeStart.main(Native Method) 
 
    Caused by: java.lang.InstantiationException: can't instantiate class ramazan.com.dovizfiyarlari.tab1$LocalService; no empty constructor 
 
      at java.lang.Class.newInstanceImpl(Native Method) 
 
      at java.lang.Class.newInstance(Class.java:1319) 
 
      at android.app.ActivityThread.handleCreateService(ActivityThread.java:2344) 
 
            at android.app.ActivityThread.access$1600(ActivityThread.java:130) 
 
            at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1277) 
 
            at android.os.Handler.dispatchMessage(Handler.java:99) 
 
            at android.os.Looper.loop(Looper.java:137) 
 
            at android.app.ActivityThread.main(ActivityThread.java:4745) 
 
            at java.lang.reflect.Method.invokeNative(Native Method) 
 
            at java.lang.reflect.Method.invoke(Method.java:511) 
 
            at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:786) 
 
            at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:553) 
 
            at dalvik.system.NativeStart.main(Native Method)

и код услуги

public class LocalService extends IntentService 
 
    { 
 
     public LocalService() { 
 
      super("MyServerOrWhatever"); 
 
     } 
 
     private Timer timer = new Timer(); 
 
     private Context ctx; 
 

 
     public IBinder onBind(Intent arg0) 
 
     { 
 
      return null; 
 
     } 
 

 
     @Override 
 
     protected void onHandleIntent(Intent intent) { 
 
      Dolar dolar = new Dolar(); 
 
      dolar.execute(); 
 
     } 
 

 
     public void onCreate() 
 
     { 
 
      super.onCreate(); 
 
      ctx = this; 
 
      startService(); 
 
     } 
 

 
     private void startService() 
 
     { 
 
      timer.scheduleAtFixedRate(new mainTask(), 0, 5000); 
 
     } 
 

 
     private class mainTask extends TimerTask 
 
     { 
 
      public void run() 
 
      { 
 
       toastHandler.sendEmptyMessage(0); 
 
      } 
 
     } 
 

 
     public void onDestroy() 
 
     { 
 
      super.onDestroy(); 
 
      Toast.makeText(this, "Service Stopped ...", Toast.LENGTH_SHORT).show(); 
 
     } 
 

 
     private final Handler toastHandler = new Handler() 
 
     { 
 
      @Override 
 
      public void handleMessage(Message msg) 
 
      { 
 
       Dolar dolar=new Dolar(); 
 
       dolar.execute(); 
 

 
      } 
 
     }; 
 
    } 
 
    
 
    and

и коды работника

if(isNetworkAvailable(tab1.this)==true) { 
 
      LocalService localService=new LocalService(); 
 
      startService(new Intent(tab1.this,LocalService.class)); 
 
    
 
    
 
    ] 
 
    
 
    public class Dolar extends AsyncTask<String,String,String>{ 
 
    ProgressDialog pd; 
 
    @Override 
 
    protected void onPreExecute() { 
 
     super.onPreExecute(); 
 
     pd=new ProgressDialog(tab1.this); 
 
     pd.setMessage("yukleniyor"); 
 
     pd.show(); 
 
    } 
 

 
    @Override 
 
    protected void onPostExecute(String s) { 
 
     super.onPostExecute(s); 
 
     txt_dolar.setText(kur); 
 
     txt_altin_gram.setText(altin); 
 
     txt_ceyrek.setText(ceyrek); 
 
     pd.dismiss(); 
 
    } 
 
String altin=""; 
 
    String ceyrek; 
 
    @Override 
 
    protected String doInBackground(String... params) { 
 
     Document document = null; 
 

 
     try { 
 
      document = Jsoup.connect("http://www.reuters.com/finance/currencies/quote?srcAmt=1.00&srcCurr=USD&destAmt=&destCurr=TRY") 
 
        .userAgent("Mozilla/5.0 (Macintosh; Intel Mac OS X 10_10_1) AppleWebKit/600.1.25 (KHTML, like Gecko) " + 
 
          "Version/8.0 Safari/600.1.25").get(); 
 
     } catch (IOException e) { 
 
      e.printStackTrace(); 
 
     } 
 
     int sayac = 0; 
 
     Elements sondakika = document.select("div.norm"); 
 
     for (Element element : sondakika) { 
 
      if(sayac==0){ 
 
       kur=element.text(); 
 
      } 
 
      sayac=sayac+1; 
 
     } 
 
     
 
     }

может ваша помощь мне, пожалуйста ...

Answer 1

Удалить эту линию, это бесполезно и причина вашей проблемы. Вы не можете вручную создавать службы/мероприятия на Android, это запрещает и, следовательно, ваше исключение.

LocalService localService = new LocalService();