Android Open Source - project-owl_android Login 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;
/*  w  w w  .j a  v a2s. c om*/
import java.io.IOException;

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.Context;
import android.content.Intent;
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 LoginActivity extends Activity {
  String username = "";
  String password = "";
  Context context;

  @Override
  protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_login);
    context = this;

    if (savedInstanceState == null) {
      getFragmentManager().beginTransaction()
          .add(R.id.container, new PlaceholderFragment()).commit();
    }
  }

  /**
   * 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_login,
          container, false);
      return rootView;
    }
  }
  
  public void submitLogin(View view){
    EditText inputUsername = (EditText) findViewById(R.id.field_username);
    username = inputUsername.getText().toString();
    EditText inputPassword = (EditText) findViewById(R.id.field_password);
    password = inputPassword.getText().toString();
    
    SubmitTask loaderTask = new SubmitTask();
    loaderTask.execute();
  }
  
  private class SubmitTask extends AsyncTask<Void, Void, Void>{  
    @Override
    protected Void doInBackground(Void... params){
      HttpClient client = new DefaultHttpClient();
      Log.d("po", "http://cs121owl.appspot.com/login/android/submit?username=" + username + "&password=" + password);
      HttpGet getRequest = new HttpGet("http://cs121owl.appspot.com/login/android/submit?username=" + username + "&password=" + password);
      
      try{
        HttpResponse response = client.execute(getRequest);
        StatusLine statusLine = response.getStatusLine();
        int statusCode = statusLine.getStatusCode();
        
        if(statusCode != 200){
          /*Builder alert = new AlertDialog.Builder(LoginActivity.this);
                alert.setTitle("Incorrect Login");
                alert.setMessage("Your login credentials were incorrect!");
                alert.setPositiveButton("OK", null);
                alert.show();*/
          //Log.d("po","This happened :(");
          return null;
        }else{
          //Log.d("po", "YEAH!");
          Intent intent = new Intent(context, MainActivity.class);
            startActivity(intent);
        }
        
      }catch(ClientProtocolException e){
        e.printStackTrace();
      }catch(IOException e){
        e.printStackTrace();
      }
      return null;
    }
    
    @Override
    protected void onPostExecute(Void result){
      Builder alert = new AlertDialog.Builder(LoginActivity.this);
            alert.setTitle("Incorrect Login");
            alert.setMessage("Your login credentials were incorrect!");
            alert.setPositiveButton("OK", null);
            alert.show();
      super.onPostExecute(result);
    }
  }

}

Java Source Code List

• Back to App/companion  ↑