title: Android Exception when starting activity: java.lang.IllegalStateException: System services not available to Activities before onCreate()
body: <p>I'm having this exception when my android application in starting:</p>
  
  <pre><code>01-14 16:40:41.725: E/AndroidRuntime(11341): FATAL EXCEPTION: main
  01-14 16:40:41.725: E/AndroidRuntime(11341): java.lang.RuntimeException: Unable to instantiate activity ComponentInfo{es.landesoft/es.landesoft.LandeSoftActivity}: java.lang.IllegalStateException: System services not available to Activities before onCreate()
  01-14 16:40:41.725: E/AndroidRuntime(11341):    at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:1573)
  01-14 16:40:41.725: E/AndroidRuntime(11341):    at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:1667)
  01-14 16:40:41.725: E/AndroidRuntime(11341):    at android.app.ActivityThread.access$1500(ActivityThread.java:117)
  01-14 16:40:41.725: E/AndroidRuntime(11341):    at android.app.ActivityThread$H.handleMessage(ActivityThread.java:935)
  01-14 16:40:41.725: E/AndroidRuntime(11341):    at android.os.Handler.dispatchMessage(Handler.java:99)
  01-14 16:40:41.725: E/AndroidRuntime(11341):    at android.os.Looper.loop(Looper.java:130)
  01-14 16:40:41.725: E/AndroidRuntime(11341):    at android.app.ActivityThread.main(ActivityThread.java:3691)
  01-14 16:40:41.725: E/AndroidRuntime(11341):    at java.lang.reflect.Method.invokeNative(Native Method)
  01-14 16:40:41.725: E/AndroidRuntime(11341):    at java.lang.reflect.Method.invoke(Method.java:507)
  01-14 16:40:41.725: E/AndroidRuntime(11341):    at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:907)
  </code></pre>
  
  <p>This is the beginning of the Class and the Oncreate Method. I know you can not use
  System Services before onCreate() and I think I am not doing it because I only fire
  the code with the layout buttons.</p>
  
  <pre><code>public class LandeSoftActivity extends Activity {
      /** Called when the activity is first created. */
  
      TextView lblEnvio;
      EditText txtDestinatarios;
      EditText txtAsunto;
      EditText txtMensaje;
      private String ResStr;
      private String ResEnvio;
  
  
  
      @Override
      public void onCreate(Bundle savedInstanceState) {
          super.onCreate(savedInstanceState);
          setContentView(R.layout.main);
  
          Button botonEnviar = (Button) findViewById(es.landesoft.R.id.btnSend);
  
          botonEnviar.setOnClickListener(new OnClickListener() {
  
              public void onClick(View v) {
  
                  Thread Hilo = new Thread(new Runnable() {
  
                      public void run() {
  
                          ResEnvio= EnviarEMailWS();
                          handler.sendEmptyMessage(0);
                      }
                  });
                  Hilo.start();
                  lblEnvio.setText(ResEnvio);
  
              }
          });
  
          Button BtnSysInfo = (Button) findViewById(es.landesoft.R.id.btnSysInfo);
          BtnSysInfo.setOnClickListener(new OnClickListener() {
  
              public void onClick(View v) {
  
                  Thread Hilo = new Thread(new Runnable() {
  
                      public void run() {
                      ResStr =RequestWSInfo();
                      handler.sendEmptyMessage(0);                        
                      }
                  });
  
                  Hilo.start();
                  ShowToastMsg(ResStr, 12000);
  
              }
          });
  
          lblEnvio = (TextView) findViewById(es.landesoft.R.id.textView1);
          txtDestinatarios = (EditText) findViewById(es.landesoft.R.id.editText1);
          txtAsunto= (EditText) findViewById(es.landesoft.R.id.txtAsunto);
          txtMensaje= (EditText) findViewById(es.landesoft.R.id.txtMensaje);
  </code></pre>
  
  <p>I hope you can help me. I guess the problem is the ProgressDialog but I am not launching the window.</p>
  
  <p>Thanks in advance!.
      }</p>