To get a JSON object from a HTTP response in Java, you can use the JSONObject class from the org.json library.
The java.net.SocketTimeoutException: Connection timed out error usually occurs when a client is trying to connect to a server, but the connection request is taking too long to complete.
If GSON is throwing a JsonSyntaxException with the message "Expected BEGIN_OBJECT but was BEGIN_ARRAY", it means that you are trying to parse a JSON array as if it were a JSON object.
The android.os.NetworkOnMainThreadException is a runtime exception that is thrown when an application attempts to perform a networking operation on the main thread.
To generate a random number in a specific range in Android, you can use the nextInt method of the java.util.Random class.
To set a background drawable programmatically in Android, you can use the setBackgroundDrawable method of the View class.
To add a button click event in Android Studio, follow these steps:
To call a method after a delay in Android, you can use the Handler class and the postDelayed() method. The postDelayed() method takes a Runnable and a delay in milliseconds as arguments, and it runs the Runnable after the specified delay.
To call a SOAP web service on Android, you can use the HttpURLConnection class to send an HTTP request to the web service and receive the response.
To check the certificate name and alias in a keystore file, you can use the keytool utility that comes with the Java Development Kit (JDK).