How to Send POST Data to a PHP Script from an Android App?

Sending POST Data in Android

As an experienced coder in scripting languages, you may encounter situations where you need to send POST data to a PHP script on Android. Here's a breakdown of how to achieve this:

In Java, the standard way to send POST data has been using the AsyncTask class, which allows you to perform background operations. However, from Android API level 30 onwards, AsyncTask has been deprecated. For a more current example, please refer to the official documentation or a blog post that provides an updated approach.

Alternatively, one can leverage the Apache HTTP Client provided by Apache Commons. It's part of the Android platform and provides a straightforward way to handle HTTP operations. Here's an example using the HTTP Client:

public void postData() {
    // Instantiate a new HttpClient and create a Post Header
    HttpClient httpclient = new DefaultHttpClient();
    HttpPost httppost = new HttpPost("http://www.yoursite.com/script.php");

    try {
        // Set POST parameters
        List<NameValuePair> nameValuePairs = new ArrayList<NameValuePair>(2);
        nameValuePairs.add(new BasicNameValuePair("id", "12345"));
        nameValuePairs.add(new BasicNameValuePair("stringdata", "Hi"));
        httppost.setEntity(new UrlEncodedFormEntity(nameValuePairs));

        // Execute the HTTP Post Request
        HttpResponse response = httpclient.execute(httppost);

    } catch (ClientProtocolException e) {
        // Handle protocol exceptions
    } catch (IOException e) {
        // Handle I/O exceptions
    }
}

By following these approaches, you can successfully send POST data to PHP scripts and retrieve the results on your Android application.

The above is the detailed content of How to Send POST Data to a PHP Script from an Android App?. For more information, please follow other related articles on the PHP Chinese website!