Android Open Source - project-owl_android New Trans Activity

• Back to App/companion  ↑

From Project

Back to project page project-owl_android.

License

The source code is released under:

MIT License

Java Source Code

package com.isaaclean.projectowl;
/*from w w  w.j a  va  2 s . c om*/
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;

import org.apache.http.HttpResponse;
import org.apache.http.StatusLine;
import org.apache.http.client.ClientProtocolException;
import org.apache.http.client.HttpClient;
import org.apache.http.client.methods.HttpGet;
import org.apache.http.impl.client.DefaultHttpClient;

import android.app.Activity;
import android.app.AlertDialog;
import android.app.AlertDialog.Builder;
import android.app.Fragment;
import android.content.DialogInterface;
import android.os.AsyncTask;
import android.os.Bundle;
import android.util.Log;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.EditText;

public class NewTransActivity extends Activity {
  String submitUrl = "http://cs121owl.appspot.com/finance/android/submit";

  @Override
  protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_new_trans);

    if (savedInstanceState == null) {
      getFragmentManager().beginTransaction()
          .add(R.id.container, new PlaceholderFragment()).commit();
    }
  }
  
  /* Called when "Submit" button is pressed */
  public void newTrans(View view) {
    EditText inputDate = (EditText) findViewById(R.id.field_date);
    String date = inputDate.getText().toString();
    EditText inputDesc = (EditText) findViewById(R.id.field_desc);
    String desc = inputDesc.getText().toString();
    EditText inputBus = (EditText) findViewById(R.id.field_bus);
    String bus = inputBus.getText().toString();
    EditText inputCat = (EditText) findViewById(R.id.field_cat);
    String cat = inputCat.getText().toString();
    EditText inputTrans = (EditText) findViewById(R.id.field_trans);
    String trans = inputTrans.getText().toString();
    EditText inputAmount = (EditText) findViewById(R.id.field_amount);
    String amount = inputAmount.getText().toString();
    
    if(date.isEmpty() || amount.isEmpty()){
      Builder alert = new AlertDialog.Builder(NewTransActivity.this);
            alert.setTitle("Invalid Input");
            alert.setMessage("The \"Date\" and \"Amount\" fields must have a value!");
            alert.setPositiveButton("OK", null);
            alert.show();
    }else{
      boolean isNotFloat = false;
      
      try{
        Float.parseFloat(amount);
      }catch(Exception e){
        isNotFloat = true;
      }
      
      if(isNotFloat == false){
        //All conditions are met and the data will be input into the cloudstore
        String query = "?date=" + date + "&amount=" + amount;
        if(!desc.isEmpty())
          query += "&description=" + desc;
        if(!bus.isEmpty())
          query += "&business=" + bus;
        if(!cat.isEmpty())
          query += "&category=" + cat;
        if(!trans.isEmpty())
          query += "&transType=" + trans;
        Log.d("po",submitUrl + query);
        submitUrl += query;
        SubmitTask loaderTask = new SubmitTask();
        loaderTask.execute();
        Builder alert = new AlertDialog.Builder(NewTransActivity.this);
              alert.setTitle("Success!");
              alert.setMessage("You have filled out a proper transaction and it will be sent to the server!");
              alert.setPositiveButton("OK", new DialogInterface.OnClickListener(){
                public void onClick(DialogInterface dialog, int d){
                  finish();
                }
              });
              alert.show();
      }else{
        Builder alert = new AlertDialog.Builder(NewTransActivity.this);
              alert.setTitle("Invalid Amount");
              alert.setMessage("The \"Amount\" must be a number!");
              alert.setPositiveButton("OK", null);
              alert.show();
      }
    }
  }
  
  private class SubmitTask extends AsyncTask<Void, Void, Void>{    
    @Override
    protected Void doInBackground(Void... params){
      HttpClient client = new DefaultHttpClient();
      HttpGet getRequest = new HttpGet(submitUrl);
      
      try{
        HttpResponse response = client.execute(getRequest);
        StatusLine statusLine = response.getStatusLine();
        int statusCode = statusLine.getStatusCode();
        
        if(statusCode != 200){
          return null;
        }
        
        InputStream jsonStream = response.getEntity().getContent();
        BufferedReader reader = new BufferedReader(new InputStreamReader(jsonStream));
        StringBuilder builder = new StringBuilder();
        String line;
        
        while((line = reader.readLine()) != null){
          builder.append(line);
        }
      }catch(ClientProtocolException e){
        e.printStackTrace();
      }catch(IOException e){
        e.printStackTrace();
      }
      return null;
    }
    
    @Override
    protected void onPostExecute(Void result){
      submitUrl = "http://cs121owl.appspot.com/finance/android/submit"; //clear URL for next input
      super.onPostExecute(result);
    }
  }

  /**
   * A placeholder fragment containing a simple view.
   */
  public static class PlaceholderFragment extends Fragment {

    public PlaceholderFragment() {
    }

    @Override
    public View onCreateView(LayoutInflater inflater, ViewGroup container,
        Bundle savedInstanceState) {
      View rootView = inflater.inflate(R.layout.fragment_new_trans,
          container, false);
      return rootView;
    }
  }

}

Java Source Code List

• Back to App/companion  ↑