Created
March 30, 2016 18:20
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BackgroundTask.class
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package com.alexander.loginapp_2; | |
import android.app.Activity; | |
import android.app.AlertDialog; | |
import android.app.ProgressDialog; | |
import android.content.Context; | |
import android.content.DialogInterface; | |
import android.os.AsyncTask; | |
import org.json.JSONArray; | |
import org.json.JSONException; | |
import org.json.JSONObject; | |
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 BackgroundTask extends AsyncTask<String, Void, String> { | |
String register_url = "http://delivia.esy.es/loginapp/register_test.html"; | |
Context ctx; | |
Activity activity; | |
AlertDialog.Builder builder; | |
ProgressDialog progressDialog; | |
public BackgroundTask(Context ctx) { | |
this.ctx = ctx; | |
activity = (Activity) ctx; | |
} | |
@Override | |
protected void onPreExecute() { | |
builder = new AlertDialog.Builder(activity); | |
progressDialog = new ProgressDialog(ctx); | |
progressDialog.setTitle("Please hold on second.."); | |
progressDialog.setMessage("Connecting you to server"); | |
progressDialog.setIndeterminate(true); | |
progressDialog.setCancelable(false); | |
progressDialog.show(); | |
} | |
@Override | |
protected String doInBackground(String... params) { | |
String method = params[0]; | |
if (method.equals("register")) | |
{ | |
try { | |
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 name = params[1]; | |
String email = params[2]; | |
String password = params[3]; | |
String data = | |
URLEncoder.encode("name", "UTF-8") + "=" + URLEncoder.encode(name, "UTF-8") + "&" + | |
URLEncoder.encode("email", "UTF-8") + "=" + URLEncoder.encode(email, "UTF-8") + "&" + | |
URLEncoder.encode("password", "UTF-8") + "=" + URLEncoder.encode(password, "UTF-8"); | |
bufferedWriter.write(data); | |
bufferedWriter.flush(); | |
bufferedWriter.close(); | |
outputStream.close(); | |
InputStream inputStream = httpURLConnection.getInputStream(); | |
BufferedReader bufferedReader = new BufferedReader(new InputStreamReader(inputStream)); | |
StringBuilder stringBuilder = new StringBuilder(); | |
String line = ""; | |
while ((line = bufferedReader.readLine()) != null) | |
{ | |
stringBuilder.append(line + "\n"); | |
} | |
httpURLConnection.disconnect(); | |
Thread.sleep(5000); | |
return stringBuilder.toString().trim(); | |
} catch (MalformedURLException e) { | |
e.printStackTrace(); | |
} catch (IOException e) { | |
e.printStackTrace(); | |
} catch (InterruptedException e) { | |
e.printStackTrace(); | |
} | |
} | |
return null; | |
} | |
@Override | |
protected void onProgressUpdate(Void... values) { | |
super.onProgressUpdate(values); | |
} | |
@Override | |
protected void onPostExecute(String json) { | |
try { | |
progressDialog.dismiss(); | |
JSONObject jsonObject = new JSONObject(json); | |
JSONArray jsonArray = jsonObject.getJSONArray("server_response"); | |
JSONObject JO = jsonArray.getJSONObject(0); | |
String code = JO.getString("code"); | |
String message = JO.getString("message"); | |
if (code.equals("reg_true")) { | |
showDialogue("Registration was successful champ!", message, code); | |
} else if (code.equals("reg_false")) ; | |
{ | |
showDialogue("Registration failed :(", message, code); | |
} | |
} catch (JSONException e) { | |
e.printStackTrace(); | |
} | |
} | |
public void showDialogue(String title, String message, String code) | |
{ | |
builder.setTitle(title); | |
if (code.equals("reg_true") || code.equals("reg_false")) { | |
builder.setMessage(message); | |
builder.setPositiveButton("Alright", new DialogInterface.OnClickListener() { | |
@Override | |
public void onClick(DialogInterface dialog, int which) { | |
dialog.dismiss(); | |
activity.finish(); | |
} | |
}); | |
AlertDialog alertDialog = builder.create(); | |
alertDialog.show(); | |
} | |
} | |
} |
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