Watch the Designing part in Video:
// import package
import java.io.BufferedReader;
import java.io.InputStreamReader;
import java.io.OutputStreamWriter;
import java.net.URL;
import java.net.URLConnection;
import java.net.URLEncoder;
import java.net.HttpURLConnection;
import javax.swing.JOptionPane;
try {
// Construct data
String apiKey = "apikey=" + txtapi.getText();
String message = "&message=" + txtmess.getText();
String sender = "&sender=" + txtsender.getText();
String numbers = "&numbers=" + txtnumber.getText();
// Send data
HttpURLConnection conn = (HttpURLConnection) new URL("https://api.txtlocal.com/send/?").openConnection();
String data = apiKey + numbers + message + sender;
conn.setDoOutput(true);
conn.setRequestMethod("POST");
conn.setRequestProperty("Content-Length", Integer.toString(data.length()));
conn.getOutputStream().write(data.getBytes("UTF-8"));
final BufferedReader rd = new BufferedReader(new InputStreamReader(conn.getInputStream()));
final StringBuffer stringBuffer = new StringBuffer();
String line;
while ((line = rd.readLine()) != null) {
//stringBuffer.append(line);
JOptionPane.showMessageDialog(null, "message"+line);
}
rd.close();
//return stringBuffer.toString();
} catch (Exception e) {
//System.out.println("Error SMS "+e);
JOptionPane.showMessageDialog(null, e);
//return "Error "+e;
