Error parsing data org.json.JSONException: End of input at character 0 of - Android

Question

I\'m developing a test Android application that must display some data from a mysql db. Here my logs:

05-22 17:10:56.865: E/JSON Parser(31648): Error parsing         


        

Answer 1

Looks like your PHP file is returning invalid response.

If you are writing a handler which returns JSON, it should return valid JSON response ANYWAY.

Here is how it should be:

$response = array();
$response["success"] = 0;
$response["message"] = "No products found";

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

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

// get all products from products table
$result = mysql_query("SELECT *FROM products");

// check for empty result
if ($result && mysql_num_rows($result) > 0) {
    // looping through all results
    // products node
    $response["products"] = array();

    while ($row = mysql_fetch_array($result)) {
        // temp user array
        $product = array();
        $product["pid"] = $row["pid"];
        $product["name"] = $row["name"];
        $product["price"] = $row["price"];
        $product["created_at"] = $row["created_at"];
        $product["updated_at"] = $row["updated_at"];

        // push single product into final response array
        array_push($response["products"], $product);
    }
    // success
    $response["success"] = 1;

}
// Echo JSON anyway!
echo json_encode($response);
die();
?>