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- import android.app.AlertDialog;
- import android.content.Context;
- import android.os.AsyncTask;
- import java.io.BufferedReader;
- import java.io.BufferedWriter;
- import java.io.IOException;
- import java.io.InputStream;
- import java.io.InputStreamReader;
- import java.io.OutputStream;
- import java.io.OutputStreamWriter;
- import java.net.HttpURLConnection;
- import java.net.MalformedURLException;
- import java.net.URL;
- import java.net.URLEncoder;
- public class BackgroundWorker extends AsyncTask<String,Void,String> {
- Context context;
- AlertDialog alertDialog;
- BackgroundWorker (Context ctx) {
- context = ctx;
- }
- @Override
- protected String doInBackground(String... params) {
- String type = params[0];
- String login_url = "xxx";
- String register_url = "xxx";
- if (type.equals("login")) {
- alertDialog.setTitle("3");
- try {
- alertDialog.setTitle("4");
- String user_name = params[1];
- String password = params[2];
- URL url = new URL(login_url);
- HttpURLConnection httpURLConnection = (HttpURLConnection) url.openConnection();
- httpURLConnection.setRequestMethod("POST");
- httpURLConnection.setDoOutput(true);
- httpURLConnection.setDoInput(true);
- OutputStream outputStream = httpURLConnection.getOutputStream();
- BufferedWriter bufferedWriter = new BufferedWriter(new OutputStreamWriter(outputStream, "UTF-8"));
- String post_data = URLEncoder.encode("user_name", "UTF-8") + "=" + URLEncoder.encode(user_name, "UTF-8") + "&"
- + URLEncoder.encode("password", "UTF-8") + "=" + URLEncoder.encode(password, "UTF-8");
- bufferedWriter.write(post_data);
- bufferedWriter.flush();
- bufferedWriter.close();
- outputStream.close();
- InputStream inputStream = httpURLConnection.getInputStream();
- BufferedReader bufferedReader = new BufferedReader(new InputStreamReader(inputStream, "iso-8859-1"));
- String result = "";
- String line = "";
- while ((line = bufferedReader.readLine()) != null) {
- result += line;
- }
- bufferedReader.close();
- inputStream.close();
- httpURLConnection.disconnect();
- return result;
- } catch (MalformedURLException e) {
- e.printStackTrace();
- } catch (IOException e) {
- e.printStackTrace();
- }
- } else if (type.equals("register")) {
- alertDialog.setTitle("1");
- try {
- alertDialog.setTitle("2");
- String username = params[1];
- String password = params[2];
- URL url = new URL(register_url);
- HttpURLConnection httpURLConnection = (HttpURLConnection) url.openConnection();
- httpURLConnection.setRequestMethod("POST");
- httpURLConnection.setDoOutput(true);
- httpURLConnection.setDoInput(true);
- OutputStream outputStream = httpURLConnection.getOutputStream();
- BufferedWriter bufferedWriter = new BufferedWriter(new OutputStreamWriter(outputStream, "UTF-8"));
- String post_data = URLEncoder.encode("username", "UTF-8") + "=" + URLEncoder.encode(username, "UTF-8") + "&"
- + URLEncoder.encode("password", "UTF-8") + "=" + URLEncoder.encode(password , "UTF-8");
- bufferedWriter.write(post_data);
- bufferedWriter.flush();
- bufferedWriter.close();
- outputStream.close();
- InputStream inputStream = httpURLConnection.getInputStream();
- BufferedReader bufferedReader = new BufferedReader(new InputStreamReader(inputStream, "iso-8859-1"));
- String result = "";
- String line = "";
- while ((line = bufferedReader.readLine()) != null) {
- result += line;
- }
- bufferedReader.close();
- inputStream.close();
- httpURLConnection.disconnect();
- return result;
- } catch (MalformedURLException e) {
- e.printStackTrace();
- } catch (IOException e) {
- e.printStackTrace();
- }
- }
- return null;
- }
- @Override
- protected void onPreExecute() {
- alertDialog = new AlertDialog.Builder(context).create();
- alertDialog.setTitle("Login Status");
- }
- @Override
- protected void onPostExecute(String result) {
- alertDialog.setMessage(result);
- alertDialog.show();
- }
- @Override
- protected void onProgressUpdate(Void... values) {
- super.onProgressUpdate(values);
- }
- }
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