Android Open Source - SalesOrder Gateway Settings Preferences Activity

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License

The source code is released under:
GNU General Public License
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Java Source Code

package com.capgemini.SalesOrder.preferences;
//from ww  w  . ja  va2  s  .com
import android.content.SharedPreferences;
import android.content.SharedPreferences.OnSharedPreferenceChangeListener;
import android.os.Bundle;
import android.preference.ListPreference;
import android.preference.EditTextPreference;
import android.preference.Preference;
import android.preference.Preference.OnPreferenceChangeListener;
import android.preference.PreferenceActivity;
import android.text.TextUtils;
import android.webkit.URLUtil;
import android.widget.Toast;

import com.capgemini.SalesOrder.R;

public class GatewaySettingsPreferencesActivity extends PreferenceActivity implements OnSharedPreferenceChangeListener
{
  public enum PreferencesAuthenticationType 
  {
    Gateway,
    Portal
  }

  /**
   * preferences used in the application
   */
   public static final String GATEWAY_PREF_AUTHENTICATION_METHOD_KEY = "gateway_pref_auth_method";
  public static final String GATEWAY_PREF_URL_KEY = "gateway_pref_url";
  public static final String GATEWAY_PREF_SAP_CLIENT_KEY = "gateway_pref_sap_client";
  public static final String GATEWAY_PREF_PORTAL_URL_KEY = "gateway_pref_portal_url";

  /**
   * preferences instances used inside the activity
   */
  private ListPreference authenticationMethodPreference;
  private EditTextPreference urlPreference;
  private EditTextPreference sapClientPreference;
  private EditTextPreference portalUrlPreference;
  
  /** Called when the activity is first created. */
  @SuppressWarnings("deprecation")
  @Override
  public void onCreate(Bundle savedInstanceState) 
  {
      super.onCreate(savedInstanceState);
  
      addPreferencesFromResource(R.xml.gateway_settings_preference_screen);
      authenticationMethodPreference = (ListPreference) getPreferenceScreen().findPreference(GATEWAY_PREF_AUTHENTICATION_METHOD_KEY);
      urlPreference = (EditTextPreference) getPreferenceScreen().findPreference(GATEWAY_PREF_URL_KEY);
      sapClientPreference = (EditTextPreference) getPreferenceScreen().findPreference(GATEWAY_PREF_SAP_CLIENT_KEY);  
      portalUrlPreference = (EditTextPreference) getPreferenceScreen().findPreference(GATEWAY_PREF_PORTAL_URL_KEY);
     
      urlPreference.setOnPreferenceChangeListener(new OnPreferenceChangeListener()
      {
      public boolean onPreferenceChange(Preference preference,Object newValue) 
      {
        String newUrl = newValue.toString().trim();
        if (URLUtil.isHttpUrl(newUrl) || URLUtil.isHttpsUrl(newUrl)) 
        {
          return true;
        }
        else
        {
          Toast.makeText(getBaseContext(), getString(R.string.validation_msg), Toast.LENGTH_LONG).show();
          return false;
        }
      }
      });
      
      sapClientPreference.setOnPreferenceChangeListener(new OnPreferenceChangeListener() 
      {
      public boolean onPreferenceChange(Preference preference,Object newValue) 
      {
        String newSAPClient = newValue.toString().trim();
        // in case - default Sap client
        if (!TextUtils.isEmpty(newSAPClient)) 
        {
          try 
          {
            Integer.parseInt(newSAPClient);
          } 
          catch (NumberFormatException e) 
          {
            Toast.makeText(getBaseContext(), getString(R.string.validation_msg), Toast.LENGTH_LONG).show();
            return false;
          }
        }
        return true;
      }
      });
      
    portalUrlPreference.setOnPreferenceChangeListener(new OnPreferenceChangeListener() 
    {
      public boolean onPreferenceChange(Preference preference, Object newValue) 
      {
        String newUrl = newValue.toString().trim();
        if (URLUtil.isHttpUrl(newUrl) || URLUtil.isHttpsUrl(newUrl)) 
        {
          return true;
        }
        else
        {
          Toast.makeText(getBaseContext(), getString(R.string.validation_msg), Toast.LENGTH_LONG).show();
          return false;
        }
      }
    });
      
  }
  
  @SuppressWarnings("deprecation")
  @Override
  protected void onResume() 
  {
    super.onResume();
    if (authenticationMethodPreference.getEntry() != null) 
    {
      authenticationMethodPreference.setSummary(authenticationMethodPreference.getEntry());
    }
      if (urlPreference.getText() != null) 
      {
        urlPreference.setSummary(urlPreference.getText()); 
    }
      if (sapClientPreference.getText() != null) 
      {
        sapClientPreference.setSummary(sapClientPreference.getText()); 
    }
      if (portalUrlPreference.getText() != null) 
      {
        portalUrlPreference.setSummary(portalUrlPreference.getText()); 
    }

      enableDisablePortalPreference();
    getPreferenceScreen().getSharedPreferences().registerOnSharedPreferenceChangeListener(this);
  }

  @SuppressWarnings("deprecation")
  @Override
  protected void onPause() 
  {
    getPreferenceScreen().getSharedPreferences().unregisterOnSharedPreferenceChangeListener(this);
    super.onPause();
    
    PreferenceState preferenceState = new PreferenceState(getApplicationContext());
    if (!preferenceState.checkRequiredGatewaySettings())
    {
      Toast.makeText(getBaseContext(), getString(R.string.gw_validation_msg), Toast.LENGTH_LONG).show();
    }
  }

  public void onSharedPreferenceChanged(SharedPreferences sharedPreferences,
      String key) 
  {
    if (key.equalsIgnoreCase(GATEWAY_PREF_AUTHENTICATION_METHOD_KEY)) 
    {
      // set the summary according to the selected value
      authenticationMethodPreference.setSummary(authenticationMethodPreference.getEntry());
      
      // modify the other preferences Enable/Disable properties according to selection
      enableDisablePortalPreference();
    }
    
    if (key.equalsIgnoreCase(GATEWAY_PREF_URL_KEY)) 
    {
      urlPreference.setText(urlPreference.getText().trim());
        urlPreference.setSummary(urlPreference.getText());         
    }
    
    if (key.equalsIgnoreCase(GATEWAY_PREF_SAP_CLIENT_KEY)) 
    {
      sapClientPreference.setText(sapClientPreference.getText().trim());
        sapClientPreference.setSummary(sapClientPreference.getText()); 
    }
    
    if (key.equalsIgnoreCase(GATEWAY_PREF_PORTAL_URL_KEY)) 
    {
      portalUrlPreference.setText(portalUrlPreference.getText().trim());
      portalUrlPreference.setSummary(portalUrlPreference.getText());         
    }
  }
  
  private void enableDisablePortalPreference() 
  {
    boolean isSelectedPortalAuthentication = false;
    if (authenticationMethodPreference.getValue() != null)
    {
      isSelectedPortalAuthentication = PreferencesAuthenticationType.valueOf(authenticationMethodPreference.getValue().toString()).equals(PreferencesAuthenticationType.Portal);
    }
    portalUrlPreference.setEnabled(isSelectedPortalAuthentication);
  }

  

}
Java Source Code List
