android:id="@+id/gpiotxt3"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:text="GPIO 0"
            android:textAppearance="?android:attr/textAppearanceSmall"
            android:textColor="#FFCC00" />

public void getData1(){
	    	String result = "";
	    	InputStream isr = null;
	    	try{
	            HttpClient httpclient = new DefaultHttpClient();
	            HttpPost httppost = new HttpPost("YOUR PHP SCRIPT ADDRESS"); //YOUR PHP SCRIPT ADDRESS 
	            HttpResponse response = httpclient.execute(httppost);
	            HttpEntity entity = response.getEntity();
	            isr = entity.getContent();
	    }
	    catch(Exception e){
	            Log.e("log_tag", "Error in http connection "+e.toString());
	            
	           Toast.makeText(gpiomain.this,"Couldnt connect to database", Toast.LENGTH_LONG).show();
	    }
	    //convert response to string
	    try{
	            BufferedReader reader = new BufferedReader(new InputStreamReader(isr,"iso-8859-1"),8);
	            StringBuilder sb = new StringBuilder();
	            String line = null;
	            while ((line = reader.readLine()) != null) {
	                    sb.append(line + "\n");
	            }
	            isr.close();
	     
	            result=sb.toString();
	    }
	    catch(Exception e){
	        
	            Toast.makeText(gpiomain.this,"Error  converting result "+e, Toast.LENGTH_LONG).show();
	    }
	     
	    //parse json data
	   try {
		   String s = "";
		   JSONArray jArray = new JSONArray(result);
		   
		   for(int i=0; i<jArray.length();i++){
			   JSONObject json = jArray.getJSONObject(i);
			   s = s + 
					   "gpio port : "+json.getString("gpiopoort")+"\n"+
					   "on=1/off=0 : "+json.getString("aan_uit")+"\n";
			   if (json.getString("aan_uit").equals("0")) {
				   	Toast.makeText(gpiomain.this,"GPIO 0 is off ", Toast.LENGTH_LONG).show();
				   
				 				   	
				   } else {
					Toast.makeText(gpiomain.this,"GPIO 0 is on", Toast.LENGTH_LONG).show();
				   }  
					   }
  
		  		
	   } catch (Exception e) {
				   Toast.makeText(gpiomain.this," "+e, Toast.LENGTH_LONG).show();
	   }
	    
	    }

 if (json.getString("aan_uit").equals("0")) {
				   	Toast.makeText(gpiomain.this,"GPIO 0 is off ", Toast.LENGTH_LONG).show();
				   
				 				   	
				   } else {
					Toast.makeText(gpiomain.this,"GPIO 0 is on", Toast.LENGTH_LONG).show();
				   }