Android json failed to parsing

Question

excuse me, what's wrong with this code, i try it in xampp it's work fine. now i try it in online server it's going to crash. in android application it will post to server,

this is the log

    -28 08:53:22.582: E/JSON Parser(333): Kesalahan parsing org.json.JSONException:    Value <br of type java.lang.String cannot be converted to JSONObject
     06-28 08:53:22.582: W/dalvikvm(333): threadid=9: thread exiting with uncaught exception (group=0x40015560)
     06-28 08:53:18.312: W/KeyCharacterMap(333): No keyboard for id 0
     06-28 08:53:18.312: W/KeyCharacterMap(333): Using default keymap: /system/usr/keychars/qwerty.kcm.bin
     06-28 08:53:19.982: D/dalvikvm(333): GC_EXTERNAL_ALLOC freed 81K, 51% free 2643K/5379K, external 3181K/3266K, paused 68ms
     06-28 08:53:22.582: E/JSON Parser(333): Kesalahan parsing org.json.JSONException: Value <br of type java.lang.String cannot be converted to JSONObject
     06-28 08:53:22.582: W/dalvikvm(333): threadid=9: thread exiting with uncaught exception (group=0x40015560)
     06-28 08:53:22.592: E/AndroidRuntime(333): FATAL EXCEPTION: AsyncTask #1
     06-28 08:53:22.592: E/AndroidRuntime(333): java.lang.RuntimeException: An error occured while executing doInBackground()
     06-28 08:53:22.592: E/AndroidRuntime(333):     at android.os.AsyncTask$3.done(AsyncTask.java:200)
     06-28 08:53:22.592: E/AndroidRuntime(333):     at java.util.concurrent.FutureTask$Sync.innerSetException(FutureTask.java:274)
     06-28 08:53:22.592: E/AndroidRuntime(333):     at java.util.concurrent.FutureTask.setException(FutureTask.java:125)
     06-28 08:53:22.592: E/AndroidRuntime(333):     at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:308)
     06-28 08:53:22.592: E/AndroidRuntime(333):     at java.util.concurrent.FutureTask.run(FutureTask.java:138)
     06-28 08:53:22.592: E/AndroidRuntime(333):     at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1088)
     06-28 08:53:22.592: E/AndroidRuntime(333):     at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:581)
     06-28 08:53:22.592: E/AndroidRuntime(333):     at java.lang.Thread.run(Thread.java:1019)
     06-28 08:53:22.592: E/AndroidRuntime(333): Caused by: java.lang.NullPointerException
     06-28 08:53:22.592: E/AndroidRuntime(333):     at hearts2.packet.TambahKorbanBaru$CreateNewVictim.doInBackground(TambahKorbanBaru.java:224)
     06-28 08:53:22.592: E/AndroidRuntime(333):     at hearts2.packet.TambahKorbanBaru$CreateNewVictim.doInBackground(TambahKorbanBaru.java:1)
     06-28 08:53:22.592: E/AndroidRuntime(333):     at android.os.AsyncTask$2.call(AsyncTask.java:185)
     06-28 08:53:22.592: E/AndroidRuntime(333):     at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:306)

this is the php code

<?php

 $response = array();

if (isset($_POST['hearts_beat']) && isset($_POST['respiration_rate']) && isset($_POST['mental_status']) && isset($_POST['kondisi']) && isset($_POST['lat']) && isset($_POST['lng'])) {

$hearts_beat = $_POST['hearts_beat'];
$respiration_rate = $_POST['respiration_rate'];
$mental_status = $_POST['mental_status'];
$kondisi = $_POST['kondisi'];
$lat = $_POST['lat'];
$lng = $_POST['lng'];

// include db connect class
require_once __DIR__ . '/db_connect.php';

// connecting to db
$db = new DB_CONNECT();

// mysql inserting a new row
//tambahin variabel di query ini yah
$result = mysql_query("INSERT INTO korban (hearts_beat, respiration_rate, mental_status, kondisi, lat, lng) VALUES('$hearts_beat', '$respiration_rate', '$mental_status', '$kondisi', '$lat', '$lng')");

// check if row inserted or not
if ($result) {
    // successfully inserted into database
    $response["success"] = 1;
    $response["message"] = "added";

    // echoing JSON response
    echo json_encode($response);
} else {
    // failed to insert row
    $response["success"] = 0;
    $response["message"] = "error.";

    // echoing JSON response
    echo json_encode($response);
}
} else {
// required field is missing
$response["success"] = 0;
$response["message"] = "try again";

// echoing JSON response
echo json_encode($response);
}
?>

this is the android activity

String pilihanHB[], pilihanMS[];
String kondisi, curr_lati, curr_longi;
String kartu, isiPilihanHB, isiPilihanMS;
Integer statusHB, statusMS;
Spinner spinnerHB;
Spinner spinnerMS;
int indexHB, indexMS;
GpsService gps;

// Progress Dialog
private ProgressDialog pDialog;

JSONParser jsonParser = new JSONParser();

EditText inputRespiration_Rate;

// url untuk nambah korban
private static String url_create_product = "http://blabla.php";

// JSON Node
private static final String TAG_SUCCESS = "success";

@Override
public void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.insert_korban_hearts1);

    gps = new GpsService(TambahKorbanBaru.this);

    // dicek dulu apakah GPSnya idup

    if (gps.canGetLocation()) {
        // ambil latitude dan longitude

        double lat = gps.getLatitude();
        double lng = gps.getLongitude();

        curr_lati = String.valueOf(lat);
        curr_longi = String.valueOf(lng);
    }

    spinnerHB = (Spinner) findViewById(R.id.spinner1);
    spinnerMS = (Spinner) findViewById(R.id.spinner2);

    ArrayAdapter<CharSequence> adapterHB = ArrayAdapter.createFromResource(
            this, R.array.hearts_beats_array,
            android.R.layout.simple_spinner_item);

    ArrayAdapter<CharSequence> adapterMS = ArrayAdapter.createFromResource(
            this, R.array.mental_status_array,
            android.R.layout.simple_spinner_item);

    adapterHB
            .setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item);
    spinnerHB.setAdapter(adapterHB);
    adapterMS
            .setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item);
    spinnerMS.setAdapter(adapterMS);

    spinnerHB.setOnItemSelectedListener(new OnItemSelectedListener() {

        public void onItemSelected(AdapterView<?> arg0, View arg1,
                int arg2, long arg3) {

            indexHB = arg0.getSelectedItemPosition();

            // masukin nilai ke Array
            pilihanHB = getResources().getStringArray(
                    R.array.hearts_beats_array);

        }

        public void onNothingSelected(AdapterView<?> arg0) {

        }

    });

    spinnerMS.setOnItemSelectedListener(new OnItemSelectedListener() {

        public void onItemSelected(AdapterView<?> arg0, View arg1,
                int arg2, long arg3) {

            indexMS = arg0.getSelectedItemPosition();

            // masukin nilai ke array
            pilihanMS = getResources().getStringArray(
                    R.array.mental_status_array);

        }

        public void onNothingSelected(AdapterView<?> arg0) {

        }

    });

    inputRespiration_Rate = (EditText) findViewById(R.id.inputRespiration_Rate);

    Button btnInsertKorban = (Button) findViewById(R.id.btnInsertKorban);

    // event
    btnInsertKorban.setOnClickListener(new View.OnClickListener() {

        public void onClick(View view) {
            // tambah data baru lewat AsyncTask
            new CreateNewVictim().execute();
        }
    });
}

/**
 * Background Async Task nambah data baru
 * */
public class CreateNewVictim extends AsyncTask<String, String, String> {



    @Override
    protected void onPreExecute() {
        super.onPreExecute();
        pDialog = new ProgressDialog(TambahKorbanBaru.this);
        pDialog.setMessage("Menambahkan data korban..");
        pDialog.setIndeterminate(false);
        pDialog.setCancelable(true);
        pDialog.show();
    }

    @Override
    protected String doInBackground(String... args) {

        isiPilihanHB = String.valueOf(pilihanHB[indexHB]);

        if (indexHB == 0) {
            statusHB = 1;
        } else {
            statusHB = 2;
        }

        isiPilihanMS = String.valueOf(pilihanMS[indexMS]);

        if (indexMS == 0) {
            statusMS = 1;
        } else {
            statusMS = 2;
        }

        Integer hearts_beat = statusHB;
        Integer respiration_rate = Integer.parseInt(inputRespiration_Rate
                .getText().toString());
        Integer mental_status = statusMS;

        // if MS dan HB logika triage

        if (respiration_rate >= 30) {
            kartu = "merah";
        } else if (respiration_rate <= 0) {
            kartu = "hitam";
        } else if (respiration_rate < 30) {
            if (hearts_beat == 2) {
                kartu = "merah";
            } else if (hearts_beat == 1) {
                if (mental_status == 1) {
                    kartu = "kuning";
                } else if (mental_status == 2) {
                    kartu = "merah";
                }
            }
        }

        String string_hearts_beat, string_mental_status, string_respiration_rate;

        string_hearts_beat = hearts_beat.toString();
        string_mental_status = mental_status.toString();
        string_respiration_rate = respiration_rate.toString();

        // disini tambahkan skrip buat nambah data gps pake locking gps
        // lanjutin yah ^^

        // Parameter hubungan ke database
        List<NameValuePair> params = new ArrayList<NameValuePair>();
        params.add(new BasicNameValuePair("hearts_beat", string_hearts_beat));
        params.add(new BasicNameValuePair("respiration_rate",
                string_respiration_rate));
        params.add(new BasicNameValuePair("mental_status",
                string_mental_status));
        params.add(new BasicNameValuePair("kondisi", kartu));
        params.add(new BasicNameValuePair("lat", curr_lati));
        params.add(new BasicNameValuePair("lng", curr_longi));

        // mengambil json objet

        JSONObject json = jsonParser.makeHttpRequest(url_create_product,
                "POST", params);

        // nyatet log
        Log.d("Create Response", json.toString());

        // cek sukses
        try {
            int success = json.getInt(TAG_SUCCESS);

            if (success == 1) {
                // kalau sukses nambah
                Intent i = new Intent(getApplicationContext(),
                        SemuaKorbanActivity.class);
                startActivity(i);
                finish();
            } else {
                // jika gagal
            }
        } catch (JSONException e) {
            e.printStackTrace();
        }

        return null;

    }

    protected void onPostExecute(String file_url) {
        pDialog.dismiss();
    }

}

}

what's make it crashing? thank you,

in 224, there is nothing, in 223 this code Log.d("Create Response", json.toString()); — Rahmad Andyanta
– Rahmad Andyanta, Commented Jul 9, 2013 at 14:40

Lena Bru · Accepted Answer · 2013-07-09 14:45:19Z

1

take note of what you wrote as the given url

private static String url_create_product = "htpp://blabla.php";

imo it should be http:// and not htpp....

because the call fails to be created, there is no response, and json.toString() will return null pointer exception, because the object "json" is null...

answered Jul 9, 2013 at 14:45

Lena Bru

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1 Comment

Rahmad Andyanta Over a year ago

i'm sorry, i just correct it, I change my own url for privacy hehe,

Rajeev · Accepted Answer · 2013-07-09 14:49:54Z

0

The problem is here

JSONObject json = jsonParser.makeHttpRequest(url_create_product,
            "POST", params);

You should always use a try-catch block for JSON. And as Lena Bru has already pointed out, the issue happened because your server url is wrong.

answered Jul 9, 2013 at 14:49

Rajeev

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