title: http post giving illegal state Exception
body: <p>this is code which I use for HTTP post </p>
  
  <pre><code>public void postData() {
  
      //DineOutActivity doa = null;
      HttpClient httpclient = new DefaultHttpClient();
      HttpPost httppost = new HttpPost("192.168.1.112/andro/index.php/androctrl/test/");
  
      try {
  
          //food item
       Spinner spinner = (Spinner) findViewById(R.id.spinner1);
       String fooditem = spinner.getSelectedItem().toString();
  
       TextView mDateDisplay = (TextView)findViewById(R.id.textView2);
       String Date = mDateDisplay.toString();
  
       TextView mTimeDisplay  = (TextView)findViewById(R.id.textView4);
       String Time = mTimeDisplay.toString();
  
  
  
          // Add your data
          List&lt;NameValuePair&gt; nameValuePairs = new ArrayList&lt;NameValuePair&gt;(3);
          nameValuePairs.add(new BasicNameValuePair("fooditem", "fooditem"));
          nameValuePairs.add(new BasicNameValuePair("Date", "Date"));
          nameValuePairs.add(new BasicNameValuePair("Time", "Time"));
          httppost.setEntity(new UrlEncodedFormEntity(nameValuePairs));
  
          HttpResponse response = httpclient.execute(httppost);
          String str = inputStreamToString(response.getEntity().getContent()).toString();
          Log.w("ADPORTAL", str);
          HttpStatus status;
  
          if(str.toString().equalsIgnoreCase("false"))
          {Toast.makeText(getBaseContext(), str, Toast.LENGTH_LONG).show();
              //result.setText("You are not registerd please register"
          }
          else
          {Toast.makeText(getBaseContext(), str, Toast.LENGTH_LONG).show();}
  
  
  
      } catch (ClientProtocolException e) {
          // TODO Auto-generated catch block
      } catch (IOException e) {
          // TODO Auto-generated catch block
      }
  } 
  
  private StringBuilder inputStreamToString(InputStream is) {
      String line = "";
      StringBuilder total = new StringBuilder();
      // Wrap a BufferedReader around the InputStream
      BufferedReader rd = new BufferedReader(new InputStreamReader(is));
      // Read response until the end
      try {
          while ((line = rd.readLine()) != null) { 
              total.append(line); 
          }
      } catch (IOException e) {
          e.printStackTrace();
      }
      // Return full string
      return total;
  </code></pre>
  
  <p>I use mTimeDisplay[Text View2] as the value from TimePicker Dialog.
  And mDateDisplay [Texview4] as the value from DatePicker Dialog .</p>
  
  <p>Following is my whole source code where I have used <code>postData()</code></p>
  
  <pre><code>public class DineOutActivity extends Activity {
  
      private TextView mDateDisplay;
      private Button mPickDate;
      private int mYear;
      private int mMonth;
      private int mDay;
     /******************time picker**************/
          private TextView mTimeDisplay;
             private Button mPickTime;
             private int mHour;
             private int mMinute;
             private int mAmPm;
  
             static final int TIME_DIALOG_ID=1;
  
          static final int DATE_DIALOG_ID = 0;
  
      @Override
      public void onCreate(Bundle savedInstanceState) {
          super.onCreate(savedInstanceState);
          setContentView(R.layout.main);
  
          /********************spinner***********/
  
          Spinner food = (Spinner) findViewById(R.id.spinner1);
          ArrayAdapter&lt;CharSequence&gt; foodadapter = ArrayAdapter.createFromResource(
                      this, R.array.item_array, android.R.layout.simple_spinner_item);
          foodadapter.setDropDownViewResource(R.layout.spinner_layout);
          food.setAdapter(foodadapter);
          /**pick date*/
  
          mDateDisplay = (TextView) findViewById(R.id.textView2);
          mTimeDisplay = (TextView) findViewById(R.id.textView4);
          mPickDate = (Button) findViewById(R.id.button2);
         /**pick time**/
  
          mPickTime=(Button)findViewById(R.id.button3);
  
          // add a click listener to the button
          mPickTime.setOnClickListener(new View.OnClickListener() {
  
                       public void onClick(View v) {
  
                             showDialog(TIME_DIALOG_ID);
                       }
                });
  
          // get the current time
          final Calendar c=Calendar.getInstance();
          mHour=c.get(Calendar.HOUR_OF_DAY);
          mMinute=c.get(Calendar.MINUTE);
          mAmPm = c.get(Calendar.AM_PM);
  
          // display the current date
         upTimeDisplay();
  
  
  /*****************************pick date***********************************/
          // add a click listener to the button
          mPickDate.setOnClickListener(new View.OnClickListener() {
              public void onClick(View v1) {
                  showDialog(DATE_DIALOG_ID);
              }
          });
  
          // get the current date
          final Calendar date = Calendar.getInstance();
          mYear = date.get(Calendar.YEAR);
          mMonth = date.get(Calendar.MONTH);
          mDay = date.get(Calendar.DAY_OF_MONTH);
          int mDst = date.get(Calendar.AM_PM);
          int mAmPm = date.get(Calendar.DST_OFFSET);
  
          // display the current date (this method is below)
          updateDisplay();
      }
  
      // updates the date in the TextView
  
  
  
  
     private String upTimeDisplay()
     {
       //  mTimeDisplay.setText(new  
             //    StringBuilder().append(pad(mHour)).append(":").append(pad(mMinute)).append(pad(mAmPm)));
         mTimeDisplay.setText(new  
                    StringBuilder().append(mHour).append(":").append(mMinute));
         mTimeDisplay.setTextColor(R.color.green);
      return null;
     }
    /** private Object pad(int mMinute2) {
  
         if(mMinute2&gt;=10)
                return String.valueOf(mMinute2);
         else
                return "0"+String.valueOf(mMinute2);
  }**/
  
     private TimePickerDialog.OnTimeSetListener mtimeSetListener=new  
             TimePickerDialog.OnTimeSetListener() {
  
  public void onTimeSet(TimePicker view, int hourOfDay, int minute) {
  
  mHour=hourOfDay;
  mMinute=minute;
  int ampm;
  
  upTimeDisplay();
  }
  };
  
  
      private String updateDisplay() {
          mDateDisplay.setText(new StringBuilder()
                      // Month is 0 based so add 1
                      .append(mMonth + 1).append("-")
                      .append(mDay).append("-")
                      .append(mYear).append(" "));
          mDateDisplay.setTextColor(R.color.green);
                   //   .append(mHour).append("_")
                    //  .append(mMinute).append("_")));
          return null;
      }
  
      // the callback received when the user "sets" the date in the dialog
      private DatePickerDialog.OnDateSetListener mDateSetListener =
              new DatePickerDialog.OnDateSetListener() {
  
                  public void onDateSet(DatePicker view, int year, 
                                        int monthOfYear, int dayOfMonth) {
                      mYear = year;
                      mMonth = monthOfYear;
                      mDay = dayOfMonth;
                      updateDisplay();
                  }
              };
  
      @Override
      protected Dialog onCreateDialog(int id) {
          switch (id) {
          case DATE_DIALOG_ID:
              return new DatePickerDialog(this, mDateSetListener, mYear, mMonth,
                      mDay);
  
          case TIME_DIALOG_ID:
              return new TimePickerDialog(this,mtimeSetListener,mHour,mMinute,false);
          }
          return null;
      }
  
  
  
  
  
  
  
  public  void imageclick(View view)
  { 
      postData();
      //Intent where = new Intent(this, WhereToeat.class);
      //startActivity(where);
  }
  
  /**************/
  
  public void postData() {
  
      //DineOutActivity doa = null;
      HttpClient httpclient = new DefaultHttpClient();
      HttpPost httppost = new HttpPost("192.168.1.112/andro/index.php/androctrl/test/");
  
      try {
  
          //food item
       Spinner spinner = (Spinner) findViewById(R.id.spinner1);
       String fooditem = spinner.getSelectedItem().toString();
  
       TextView mDateDisplay = (TextView)findViewById(R.id.textView2);
       String Date = mDateDisplay.toString();
  
       TextView mTimeDisplay  = (TextView)findViewById(R.id.textView4);
       String Time = mTimeDisplay.toString();
  
  
  
          // Add your data
          List&lt;NameValuePair&gt; nameValuePairs = new ArrayList&lt;NameValuePair&gt;(3);
          nameValuePairs.add(new BasicNameValuePair("fooditem", "fooditem"));
          nameValuePairs.add(new BasicNameValuePair("Date", "Date"));
          nameValuePairs.add(new BasicNameValuePair("Time", "Time"));
          httppost.setEntity(new UrlEncodedFormEntity(nameValuePairs));
  
          HttpResponse response = httpclient.execute(httppost);
          String str = inputStreamToString(response.getEntity().getContent()).toString();
          Log.w("ADPORTAL", str);
          HttpStatus status;
  
          if(str.toString().equalsIgnoreCase("false"))
          {Toast.makeText(getBaseContext(), str, Toast.LENGTH_LONG).show();
              //result.setText("You are not registerd please register"
          }
          else
          {Toast.makeText(getBaseContext(), str, Toast.LENGTH_LONG).show();}
  
  
  
      } catch (ClientProtocolException e) {
          // TODO Auto-generated catch block
      } catch (IOException e) {
          // TODO Auto-generated catch block
      }
  } 
  
  private StringBuilder inputStreamToString(InputStream is) {
      String line = "";
      StringBuilder total = new StringBuilder();
      // Wrap a BufferedReader around the InputStream
      BufferedReader rd = new BufferedReader(new InputStreamReader(is));
      // Read response until the end
      try {
          while ((line = rd.readLine()) != null) { 
              total.append(line); 
          }
      } catch (IOException e) {
          e.printStackTrace();
      }
      // Return full string
      return total;
  }
  </code></pre>
  
  <p>I am having an <code>Exception</code> in <code>postData</code> Method 
  in line </p>
  
  <pre><code>HttpResponse response = httpclient.execute(httppost);
  </code></pre>
  
  <p>The exception of the logcat is :</p>
  
  <pre><code>05-04 11:53:00.096: E/AndroidRuntime(4281): FATAL EXCEPTION: main
  05-04 11:53:00.096: E/AndroidRuntime(4281): java.lang.IllegalStateException: Could not execute method of the activity
  05-04 11:53:00.096: E/AndroidRuntime(4281):     at android.view.View$1.onClick(View.java:2144)
  05-04 11:53:00.096: E/AndroidRuntime(4281):     at android.view.View.performClick(View.java:2485)
  05-04 11:53:00.096: E/AndroidRuntime(4281):     at android.view.View$PerformClick.run(View.java:9080)
  05-04 11:53:00.096: E/AndroidRuntime(4281):     at android.os.Handler.handleCallback(Handler.java:587)
  05-04 11:53:00.096: E/AndroidRuntime(4281):     at android.os.Handler.dispatchMessage(Handler.java:92)
  05-04 11:53:00.096: E/AndroidRuntime(4281):     at android.os.Looper.loop(Looper.java:130)
  05-04 11:53:00.096: E/AndroidRuntime(4281):     at android.app.ActivityThread.main(ActivityThread.java:3687)
  05-04 11:53:00.096: E/AndroidRuntime(4281):     at java.lang.reflect.Method.invokeNative(Native Method)
  05-04 11:53:00.096: E/AndroidRuntime(4281):     at java.lang.reflect.Method.invoke(Method.java:507)
  05-04 11:53:00.096: E/AndroidRuntime(4281):     at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:867)
  05-04 11:53:00.096: E/AndroidRuntime(4281):     at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:625)
  05-04 11:53:00.096: E/AndroidRuntime(4281):     at dalvik.system.NativeStart.main(Native Method)
  05-04 11:53:00.096: E/AndroidRuntime(4281): Caused by: java.lang.reflect.InvocationTargetException
  05-04 11:53:00.096: E/AndroidRuntime(4281):     at java.lang.reflect.Method.invokeNative(Native Method)
  05-04 11:53:00.096: E/AndroidRuntime(4281):     at java.lang.reflect.Method.invoke(Method.java:507)
  05-04 11:53:00.096: E/AndroidRuntime(4281):     at android.view.View$1.onClick(View.java:2139)
  05-04 11:53:00.096: E/AndroidRuntime(4281):     ... 11 more
  05-04 11:53:00.096: E/AndroidRuntime(4281): Caused by: java.lang.IllegalStateException: Target host must not be null, or set in parameters.
  05-04 11:53:00.096: E/AndroidRuntime(4281):     at org.apache.http.impl.client.DefaultRequestDirector.determineRoute(DefaultRequestDirector.java:577)
  05-04 11:53:00.096: E/AndroidRuntime(4281):     at org.apache.http.impl.client.DefaultRequestDirector.execute(DefaultRequestDirector.java:292)
  05-04 11:53:00.096: E/AndroidRuntime(4281):     at org.apache.http.impl.client.AbstractHttpClient.execute(AbstractHttpClient.java:555)
  05-04 11:53:00.096: E/AndroidRuntime(4281):     at org.apache.http.impl.client.AbstractHttpClient.execute(AbstractHttpClient.java:487)
  05-04 11:53:00.096: E/AndroidRuntime(4281):     at org.apache.http.impl.client.AbstractHttpClient.execute(AbstractHttpClient.java:465)
  05-04 11:53:00.096: E/AndroidRuntime(4281):     at com.crews.dineout.DineOutActivity.postData(DineOutActivity.java:243)
  05-04 11:53:00.096: E/AndroidRuntime(4281):     at com.crews.dineout.DineOutActivity.imageclick(DineOutActivity.java:209)
  05-04 11:53:00.096: E/AndroidRuntime(4281):     ... 14 more
  </code></pre>
  
  <p>I am running from mobile and which has a wifi connection
  And I have internet permision.</p>