Android Open Source - tracks-android Settings Activity

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License

The source code is released under:

Copyright (c) 2010 Adam Wolfe Gordon <awg@xvx.ca> Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to...

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Java Source Code

package ca.xvx.tracks;
/* w  w  w  .  j  a  va2s .co m*/
import ca.xvx.tracks.preferences.PreferenceConstants;

import android.util.Log;

import android.app.AlertDialog;
import android.content.DialogInterface;
import android.content.SharedPreferences;
import android.os.Bundle;
import android.preference.CheckBoxPreference;
import android.preference.EditTextPreference;
import android.preference.Preference;
import android.preference.PreferenceActivity;
import android.preference.PreferenceManager;

public class SettingsActivity extends PreferenceActivity {
  private static final String TAG = "SettingsActivity";
  
  @Override
  protected void onCreate(Bundle savedState) {
    super.onCreate(savedState);

    final SharedPreferences prefs = PreferenceManager.getDefaultSharedPreferences(this);
    final SharedPreferences.Editor ed = prefs.edit();
    if(!prefs.getBoolean(PreferenceConstants.RUN, false)) {
      prefs.edit().putBoolean(PreferenceConstants.RUN, true).commit();
      AlertDialog.Builder b = new AlertDialog.Builder(this);
      b.setCancelable(false)
        .setPositiveButton("Dismiss", new DialogInterface.OnClickListener() {
            @Override
            public void onClick(DialogInterface d, int id) {
              d.cancel();
            }
          })
        .setMessage(R.string.MSG_welcome)
        .show();
    }
    
    try {
      addPreferencesFromResource(R.xml.preferences);
    } catch(ClassCastException e) {
      // Blow away prefs
      Log.i(TAG, "Clearing preferences because we couldn't load them");
      ed.clear();
      ed.putBoolean(PreferenceConstants.RUN, true);
      ed.commit();

      PreferenceManager.setDefaultValues(this, R.xml.preferences, true);
      ed.commit();

      addPreferencesFromResource(R.xml.preferences);
    }

    CheckBoxPreference https = (CheckBoxPreference)findPreference(PreferenceConstants.HTTPS);
    final EditTextPreference port = (EditTextPreference)findPreference(PreferenceConstants.PORT);
    https.setOnPreferenceChangeListener(new Preference.OnPreferenceChangeListener() {
        @Override
        public boolean onPreferenceChange(Preference pref, Object newValue) {
          boolean yes = (Boolean)newValue;
          if(yes) {
            if(prefs.getString(PreferenceConstants.PORT, "80").equals("80")) {
              port.setText("443");
            }
          } else {
            if(prefs.getString(PreferenceConstants.PORT, "443").equals("443")) {
              port.setText("80");
            }
          }

          return true;
        }
      });
  }
}

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