SoundCloudMainActivity.java :  » Client » soundclouddroid » org » urbanstew » SoundCloudBase » Android Open Source

package org.urbanstew.SoundCloudBase;

import javax.xml.parsers.DocumentBuilder;
import javax.xml.parsers.DocumentBuilderFactory;

import org.apache.http.HttpResponse;
import org.urbanstew.SoundCloudBase.ObtainAccessToken;
import org.urbanstew.SoundCloudBase.SoundCloudRequestClient;
import org.urbanstew.soundcloudapi.SoundCloudAPI;
import org.urbanstew.util.AppDataAccess;
import org.w3c.dom.Document;

import android.app.AlertDialog;
import android.content.DialogInterface;
import android.content.Intent;
import android.net.Uri;
import android.os.Bundle;
import android.view.Menu;
import android.view.MenuItem;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.ImageButton;
import android.widget.TextView;

/**
 * SoundCloudDroid is the main SoundCloud Droid activity.
 * <p>
 * It shows
 * whether SoundCloud Droid has been authorized to access a user
 * account, can initiate the authorization process, and can upload
 * a file to SoundCloud.
 * 
 * @author      Stjepan Rajko
 */
public class SoundCloudMainActivity extends SoundCloudBaseActivity implements SoundCloudRequestClient
{
  public static float CURRENT_VERSION = 1.0f;
  /**
     * The method called when the Activity is created.
     * <p>
     * Initializes the user interface.
     */
    public void onCreate(Bundle savedInstanceState)
    {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.main);
        
        mAuthorized = (TextView) findViewById(R.id.authorization_status);

        ((ImageButton) findViewById(R.id.authorize_button))
          .setOnClickListener(new OnClickListener()
          {
        public void onClick(View arg0)
        {
          authorize();
        }
          });
        
        final AppDataAccess appData = new AppDataAccess(this);
        if(appData.getVisitedVersion() == 0)
        {
          new AlertDialog.Builder(this)
          .setTitle("License")
          .setMessage(getString(R.string.license))
          .setPositiveButton
          (
            getString(android.R.string.ok),
            new DialogInterface.OnClickListener()
            {
          public void onClick(DialogInterface dialog, int which)
          {
                appData.setVisitedVersion(CURRENT_VERSION);
          }
            }
          ).show();
        }

    }
        
    /**
     * The method called when the Activity is resumed.
     * <p>
     * Updates the UI to reflect whether SoundCloud Droid has been
     * authorized to access a user account.
     */
    public void onResume()
    {
      super.onResume();
      updateAuthorizationStatus();
    }
    
    public void onDestroy()
    {
      super.onDestroy();
      getSCApplicationBase().cancel(this);
    }
    
    /**
     * Sets up menu options.  Currently all have to do with defect / bug reports and discussion group.
     */
    public boolean onCreateOptionsMenu(Menu menu)
    {
        super.onCreateOptionsMenu(menu);
        
        mView = menu.add("View reported defects and feature requests").setIcon(android.R.drawable.ic_dialog_info);
        mReport = menu.add("Report defect or feature request").setIcon(android.R.drawable.ic_dialog_alert);
        mJoinGroup = menu.add("Join discussion group").setIcon(android.R.drawable.ic_dialog_email);
        //mSettingsMenuItem = menu.add("Preferences").setIcon(android.R.drawable.ic_menu_preferences);
        mManualMenuItem = menu.add("Read the manual").setIcon(android.R.drawable.ic_menu_manage);
        return true;
    }
    
    /**
     * Processes menu options.
     */
    public boolean onOptionsItemSelected(MenuItem item) 
    {
      if(item == mView)
          startActivity(new Intent(Intent.ACTION_VIEW).setData(Uri.parse(getString(R.string.SCB_issues_url))));        
      else if(item == mReport)
          startActivity(new Intent(Intent.ACTION_VIEW).setData(Uri.parse(getString(R.string.SCB_new_issue_url))));
      else if(item == mJoinGroup)
        startActivity(new Intent(Intent.ACTION_VIEW).setData(Uri.parse(getString(R.string.SCB_join_mailing_list_url))));
//      else if(item == mSettingsMenuItem)
//        startActivity(new Intent(getApplication(), SettingsActivity.class));
      else if(item == mManualMenuItem)
        startActivity(new Intent(Intent.ACTION_VIEW).setData(Uri.parse(getString(R.string.SCB_manual_url))));
      else
        return false;
      return true;
    }
    
    public void updateAuthorizationStatus()
    {
      int text;

    if(getSoundCloudAPI().getState() == SoundCloudAPI.State.AUTHORIZED)
    {
      if(mUserName != null)
      {
        setUserName(mUserName);
        return;
      }
      getSCApplicationBase().processRequest("me", this);
      text = R.string.verifying_connection;
    }
    else
    {
      text = R.string.please_connect;
    }
    
    mAuthorized.setText(text);
  }
    
    public void authorize()
    {
    Intent authorizeIntent = new Intent(this, ObtainAccessToken.class);
    startActivity(authorizeIntent);
    }

  public void setUserName(String userName)
  {
    mUserName = userName;
    
    String text;
    
    if(userName != null)
      text = getString(R.string.connected_as) + " " + userName + ".";
    else
      text = getString(R.string.unable_to_verify_connection);
    mAuthorized.setText(text);
  }

  public void requestCompleted(HttpResponse response)
  {
    String userName = null;

      if(response.getStatusLine().getStatusCode() == 200)
      try {
  
            DocumentBuilder db = DocumentBuilderFactory.newInstance().newDocumentBuilder();
  
            Document dom = db.parse(response.getEntity().getContent());
            
            userName = dom.getElementsByTagName("username").item(0).getFirstChild().getNodeValue();
      }catch(Exception e) {
        e.printStackTrace();
      }
    
    final String finalUserName = userName;
    runOnUiThread(new Runnable()
    {
      public void run()
      {
        setUserName(finalUserName);
      }      
    });
  }

  public void requestFailed(Exception e)
  {
    runOnUiThread(new Runnable()
    {
      public void run()
      {
        mAuthorized.setText(R.string.unable_to_verify_connection);
      }
    });
  }
  
    // indicating whether SoundCloud Droid has been authorized
    // to access a user account
    TextView mAuthorized;

    MenuItem mView, mReport, mJoinGroup, mSettingsMenuItem, mManualMenuItem;
    
    static String mUserName = null;

}