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PONetworkOnMainThreadException Error even with AsyncTask
 

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  1. PONetworkOnMainThreadException Error even with AsyncTask
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    <p>I have problem with the http post. This method works for other usage in my other classes/activities but now that I am integrating with paypal, it don't seem to work. Is it because I am applying it in onActivityResult? If so, how do I rectify this?</p> <p><strong>Attention! Edit:</strong> I believe that this is NOT a duplicate. As in my codes I have already included Asynctask class call GetPayPalResult. It is just that I have implemented it wrongly.</p> <p><strong>Log: Error in http connection :android.os.NetworkOnMainThreadException</strong></p> <pre><code>public class CheckOut extends BaseActivity implements OnClickListener{ TextView f; String min_purchase; String max_purchase; int real_max; int purchaserange; JSonNParser jsonParser = new JSonNParser(); String paypalkeyurl = "https://svcs.sandbox.paypal.com/AdaptivePayments/PaymentDetails"; String payKey; int fvalue; int minValue; double thecost; double specialprice; TextView theprice; TextView t_price; String spaceforprice = " "; private PayPal mPayPal; String getprice; private CheckoutButton launchPayPalButton; @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activty_checkout); Intent myLocalIntent = getIntent(); Bundle myBundle = myLocalIntent.getExtras(); theprice = (TextView) findViewById(R.id.pricetag); theprice.setText(option_price); t_price = (TextView) findViewById(R.id.totalprice); purchaserange = Integer.valueOf(min_purchase); minValue = Integer.valueOf(min_purchase); f = (TextView) findViewById(R.id.textView1); f.setText(String.valueOf(minValue)); Log.e("OIE!!", "Min Purchase : " + minValue + " | Max Purchase : " + max_purchase); getprice = new BigDecimal(String.valueOf(theprice.getText())).multiply(new BigDecimal(String.valueOf(f.getText()))).toString(); t_price.setText(String.valueOf(getprice) + spaceforprice); mPayPal=PayPal.initWithAppID(this,Constants.PAYPAL_APP_ID,PayPal.ENV_SANDBOX); mPayPal.setShippingEnabled(true); //mPayPal. initUI(Double.valueOf(String.valueOf(getprice))); } private void initUI(double theprice) { //launchPayPalButton = mPayPal.getCheckoutButton(this, // PayPal.BUTTON_278x43, CheckoutButton.TEXT_PAY); launchPayPalButton = mPayPal.getCheckoutButton(this, R.drawable.paybutton, CheckoutButton.TEXT_PAY); //launchPayPalButton.setShippingEnabled(true); LinearLayout.LayoutParams params = new LinearLayout.LayoutParams(LayoutParams.WRAP_CONTENT, LayoutParams.WRAP_CONTENT); params.bottomMargin = (int) theprice; launchPayPalButton.setLayoutParams(params); specialprice = theprice; launchPayPalButton.setOnClickListener(this); String srr=String.valueOf(specialprice); ((RadioGroup)findViewById(R.id.bottommenu)).addView(launchPayPalButton); LinearLayout.LayoutParams layoutParams =(LinearLayout.LayoutParams)launchPayPalButton.getLayoutParams(); } public void onClick(View v) { payWithPaypal(Double.valueOf((String.valueOf(getprice)))); } public void setCost(double cost) { this.thecost = cost; } public double getCost() { return this.thecost; } private void payWithPaypal(Double gg) { PayPalPayment newPayment = new PayPalPayment(); Toast.makeText(getApplicationContext(),gg.toString(), Toast.LENGTH_LONG).show(); BigDecimal bigDecimal=new BigDecimal(gg); newPayment.setSubtotal(bigDecimal); newPayment.setCurrencyType(Currency.getInstance(Locale.US)); newPayment.setRecipient("whatad_1358762874_biz@hotmail.com"); newPayment.setMerchantName("My Merchant"); Intent paypalIntent = PayPal.getInstance().checkout(newPayment, this); this.startActivityForResult(paypalIntent, 1); } @Override protected void onActivityResult(int requestCode, int resultCode, Intent data) { super.onActivityResult(requestCode, resultCode, data); switch(resultCode) { case Activity.RESULT_OK: payKey = data.getStringExtra(PayPalActivity.EXTRA_PAY_KEY); Toast.makeText(this,"Paymnet Successful : " + payKey,Toast.LENGTH_LONG).show(); //finish(); new GetPayPalResult().execute(); // break; case Activity.RESULT_CANCELED: Toast.makeText(this,"Paymnet Cancel",Toast.LENGTH_LONG).show(); //finish(); break; case PayPalActivity.RESULT_FAILURE: Toast.makeText(this,"Paymnet Failed",Toast.LENGTH_LONG).show(); String errorID = data.getStringExtra(PayPalActivity.EXTRA_ERROR_ID); String errorMessage = data.getStringExtra(PayPalActivity.EXTRA_ERROR_MESSAGE); //Toast.makeText(getApplicationContext(),errorMessage, Toast.LENGTH_LONG).show(); //finish(); break; } } public AbsListView.RecyclerListener mRecyclerListener = new RecyclerListener( ){ public void onMovedToScrapHeap(View view) { ViewHolder viewHolder = (ViewHolder) view.getTag(); DownloadImageTask imagetask = viewHolder.mTask; if (imagetask != null) { imagetask.cancel(true); } } }; public String getContentfromURL(String url, String method, List&lt;NameValuePair&gt; params) { InputStream is = null; String result = ""; //Toast.makeText(CouponView.this,"running this", Toast.LENGTH_LONG).show(); // http post try { HttpPost httppost = new HttpPost(url); HttpResponse response = Client.getInstance().execute(httppost); HttpEntity entity = response.getEntity(); is = entity.getContent(); } catch (Exception e) { Log.e("log_tag", "Error in http connection :" + e.toString()); } // convert response to string try { BufferedReader reader = new BufferedReader(new InputStreamReader( is, "iso-8859-1"), 8); StringBuilder sb = new StringBuilder(); String line = null; while ((line = reader.readLine()) != null) { sb.append(line + "\n"); } is.close(); result = sb.toString(); } catch (Exception e) { Log.e("log_tag", "Error converting result " + e.toString()); } return result; } class GetPayPalResult extends AsyncTask&lt;String, String, String&gt; { ListActivity theList = new ListActivity(); private ListView mainListView ; private ProgressDialog pDialog; /* * * Before starting background thread Show Progress Dialog * */ @Override protected void onPreExecute() { super.onPreExecute(); pDialog = new ProgressDialog(CheckOut.this); pDialog.setMessage("Loading Options ..."); pDialog.setIndeterminate(false); pDialog.setCancelable(false); pDialog.show(); } /* * * getting Inbox JSON * */ protected String doInBackground(String... args) { // Building Parameters return null; } /* * * After completing background task Dismiss the progress dialog * * */ protected void onPostExecute(String file_url) { mainListView = (ListView) findViewById( R.id.list); // dismiss the dialog after getting all products pDialog.dismiss(); List&lt;NameValuePair&gt; params = new ArrayList&lt;NameValuePair&gt;(); params.add(new BasicNameValuePair("payKey", payKey)); params.add(new BasicNameValuePair("requestEnvelope.errorLanguage", "en_US")); httppost.setHeader("X-PAYPAL-SECURITY-USERID", "66.whatever.com"); httppost.setHeader("X-PAYPAL-SECURITY-PASSWORD", "6666666"); httppost.setHeader("X-PAYPAL-SECURITY-SIGNATURE", "55546g"); httppost.setHeader("X-PAYPAL-APPLICATION-ID", "APP-80W284485P519543T"); httppost.setHeader("X-PAYPAL-REQUEST-DATA-FORMAT", "NV"); httppost.setHeader("X-PAYPAL-RESPONSE-DATA-FORMAT", "NV"); String result = getJSONfromURL(paypalkeyurl,params); Log.d("Paykey Content: ", result); } public String getJSONfromURL(String url, List&lt;NameValuePair&gt; params) { InputStream is = null; String result = ""; //Toast.makeText(CouponView.this,"running this", Toast.LENGTH_LONG).show(); // http post try { HttpPost httppost = new HttpPost(url); httppost.setEntity(new UrlEncodedFormEntity(params, HTTP.UTF_8)); HttpResponse response = Client.getInstance().execute(httppost); HttpEntity entity = response.getEntity(); is = entity.getContent(); } catch (Exception e) { Log.e("log_tag", "Error in http connection :" + e.toString()); } // convert response to string try { BufferedReader reader = new BufferedReader(new InputStreamReader( is, "iso-8859-1"), 8); StringBuilder sb = new StringBuilder(); String line = null; while ((line = reader.readLine()) != null) { sb.append(line + "\n"); } is.close(); result = sb.toString(); } catch (Exception e) { Log.e("log_tag", "Error converting result " + e.toString()); } return result; } } } </code></pre>
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    1. COas the exception says you are doing executing code that can require lot of time on the UI Thread. onPostExecute, in your code, for instance, makes an Http requeste to a webserver. Probably this is causing the error
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    2. COin addition to @blackbelt comment: you should move getJSONfromURL call into doInBackground
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    3. COHey guys, this is not a duplicate. I have editted to prove my point
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      1. USOneNation
 

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