Android Open Source - android Relawan Async

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License

The source code is released under:

Copyright (c) 2014, ganapatih All rights reserved. Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met: * Re...

Java Source Code

package helper;
//from   ww  w.j a  v  a 2 s  .c o  m
import java.io.BufferedReader;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.io.UnsupportedEncodingException;
import java.util.ArrayList;
import java.util.List;

import org.apache.http.HttpResponse;
import org.apache.http.NameValuePair;
import org.apache.http.client.HttpClient;
import org.apache.http.client.entity.UrlEncodedFormEntity;
import org.apache.http.client.methods.HttpPost;
import org.apache.http.impl.client.DefaultHttpClient;
import org.apache.http.message.BasicNameValuePair;
import org.json.JSONException;
import org.json.JSONObject;

import android.app.Activity;
import android.app.ProgressDialog;
import android.content.Context;
import android.os.AsyncTask;
import android.util.Log;
import android.view.View;
import android.widget.ProgressBar;

public abstract class RelawanAsync extends AsyncTask<String, Void, String> implements ClientInterface{

  private Context mainContext;
  private Activity CallerActivity;
  private ProgressDialog pd;
  
  public RelawanAsync(Context c, Activity a) {
    mainContext = c;
    CallerActivity = a;
  }
  
  protected void onPreExecute() {
    pd = new ProgressDialog(mainContext);
    pd.setMessage("Sending data...");
    pd.show();
    pd.setCancelable(false);
  }
  
  public abstract void onResponseReceived(String sReturn);

  protected String doInBackground(String... params) {
    
    //api relawan belum sesuai    
    
    TokenAsync t = new TokenAsync(mainContext, CallerActivity);
    String token = t.getToken();
    Log.d("token", token);
    
    String url = CommonUtilities.SERVER_URL_RELAWAN;
    String sReturn = "";
    HttpClient client = new DefaultHttpClient();
    HttpPost request = new HttpPost(url);
    List<NameValuePair> pairs = new ArrayList<NameValuePair>();

    pairs.add(new BasicNameValuePair("name", params[0]));
    pairs.add(new BasicNameValuePair("phone", params[1]));
    pairs.add(new BasicNameValuePair("desc", params[2]));
    pairs.add(new BasicNameValuePair("location", params[3]));
    pairs.add(new BasicNameValuePair("status", params[4]));

    try {
      request.setEntity(new UrlEncodedFormEntity(pairs));
    } catch (UnsupportedEncodingException e) {
      e.printStackTrace();
    }

    try {

      HttpResponse response = client.execute(request);
      InputStream in = response.getEntity().getContent();
      BufferedReader reader = new BufferedReader(
          new InputStreamReader(in));
      StringBuilder str = new StringBuilder();
      String line = null;
      while ((line = reader.readLine()) != null) {
        str.append(line + "\n");
      }
      in.close();
      sReturn = str.toString();

    } catch (Exception e) {
      // writing exception to log
      e.printStackTrace();
    }

    Log.d("Callback server", sReturn);
    String callback = "false";
    if(sReturn != ""){
      try {
        JSONObject jsonObj = new JSONObject(sReturn);
        if(jsonObj.getString("success").equals("1"))
          callback = "true";
        
      } catch (JSONException e) {
        // TODO Auto-generated catch block
        e.printStackTrace();
      }
    }
      
    return callback;
  }

  protected void onCancelled() {

  }

  protected void onPostExecute(String sReturn) {
    if (pd.isShowing()) {
      pd.dismiss();
    }
    onResponseReceived(sReturn);
  }
}

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