Android Open Source - utexas-utilities Preferences

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License

The source code is released under:
Apache License
If you think the Android project utexas-utilities listed in this page is inappropriate, such as containing malicious code/tools or violating the copyright, please email info at java2s dot com, thanks.
Java Source Code

package com.nasageek.utexasutilities.activities;
//  w w  w.  j av a  2s  . c om
import android.app.AlertDialog;
import android.content.DialogInterface;
import android.content.Intent;
import android.graphics.Color;
import android.os.Bundle;
import android.preference.CheckBoxPreference;
import android.preference.Preference;
import android.preference.Preference.OnPreferenceChangeListener;
import android.preference.Preference.OnPreferenceClickListener;
import android.widget.BaseAdapter;
import android.widget.Toast;

import com.actionbarsherlock.app.ActionBar;
import com.actionbarsherlock.app.SherlockPreferenceActivity;
import com.actionbarsherlock.view.MenuItem;
import com.nasageek.utexasutilities.AuthCookie;
import com.nasageek.utexasutilities.R;
import com.nasageek.utexasutilities.SecurePreferences;
import com.nasageek.utexasutilities.UTilitiesApplication;
import com.nasageek.utexasutilities.Utility;

import java.io.IOException;

import static com.nasageek.utexasutilities.UTilitiesApplication.*;

public class Preferences extends SherlockPreferenceActivity {

    private Preference loginfield;
    private Preference passwordfield;
    private CheckBoxPreference autologin;
    private BaseAdapter ba;
    private ActionBar actionbar;
    private SecurePreferences sp;

    @SuppressWarnings("deprecation")
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);

        sp = new SecurePreferences(this, "com.nasageek.utexasutilities.password", false);

        actionbar = getSupportActionBar();
        actionbar.setTitle("Preferences");
        actionbar.setHomeButtonEnabled(true);
        actionbar.setDisplayHomeAsUpEnabled(true);

        addPreferencesFromResource(R.xml.preferences);
        getListView().setCacheColorHint(Color.TRANSPARENT);
        ba = (BaseAdapter) getPreferenceScreen().getRootAdapter();

        autologin = (CheckBoxPreference) findPreference("autologin");
        loginfield = findPreference("eid");
        passwordfield = findPreference("password");

        // bypass the default SharedPreferences and save the password to the
        // encrypted SP instead
        passwordfield.setOnPreferenceChangeListener(new OnPreferenceChangeListener() {

            @Override
            public boolean onPreferenceChange(Preference preference, Object newValue) {
                sp.put(preference.getKey(), (String) newValue);
                return false;
            }
        });

        final Preference logincheckbox = findPreference("loginpref");

        // TODO: figure out why this is here, was it related to the old Login
        // Pref stuff?
        logincheckbox.setOnPreferenceChangeListener(new OnPreferenceChangeListener() {

            @Override
            public boolean onPreferenceChange(Preference preference, Object newValue) {
                if ((Boolean) newValue == false) {
                    autologin.setChecked(false);
                }
                return true;
            }
        });

        logincheckbox.setOnPreferenceClickListener(new OnPreferenceClickListener() {
            @Override
            public boolean onPreferenceClick(final Preference preference) {
                if (((CheckBoxPreference) preference).isChecked()) {
                    AlertDialog.Builder nologin_builder = new AlertDialog.Builder(Preferences.this);
                    nologin_builder
                            .setMessage(
                                    "NOTE: This will save your UT credentials to your device! If that worries you, "
                                            + "uncheck this preference and go tap one of the buttons on the main screen to log in. See "
                                            + "the Privacy Policy on the About page for more information.")
                            .setCancelable(true)
                            .setNeutralButton("Okay", new DialogInterface.OnClickListener() {
                                @Override
                                public void onClick(DialogInterface dialog, int id) {
                                    dialog.cancel();
                                }
                            });

                    AlertDialog nologin = nologin_builder.create();
                    nologin.show();
                } else {
                    loginfield.setEnabled(true);
                    passwordfield.setEnabled(true);
                    /*
                     * if they switch to temp login we'll save their EID, but
                     * clear their password for security purposes
                     */
                    sp.removeValue("password");
                    ba.notifyDataSetChanged();
                }
                // whenever they switch between temp and persistent, log them out
                UTilitiesApplication mApp = (UTilitiesApplication) getApplication();
                mApp.logoutAll();
                return true;
            }
        });

        setupLoginFields();

        final CheckBoxPreference sendcrashes = (CheckBoxPreference) findPreference("acra.enable");
        sendcrashes.setOnPreferenceChangeListener(new OnPreferenceChangeListener() {
            @Override
            public boolean onPreferenceChange(Preference preference, Object newValue) {
                return true;
            }
        });

        final Preference about = findPreference("about");
        about.setOnPreferenceClickListener(new OnPreferenceClickListener() {

            @Override
            public boolean onPreferenceClick(Preference preference) {
                final Intent about_intent = new Intent(Preferences.this, AboutMeActivity.class);
                startActivity(about_intent);
                return true;
            }
        });
        final Preference updateBusStops = findPreference("update_stops");
        updateBusStops.setOnPreferenceClickListener(new OnPreferenceClickListener() {

            @Override
            public boolean onPreferenceClick(Preference preference) {
                try {
                    Utility.updateBusStops(Preferences.this);
                } catch (IOException e) {
                    e.printStackTrace();
                    Toast.makeText(Preferences.this, "Stops could not be written to file.",
                            Toast.LENGTH_SHORT).show();
                }
                return true;
            }
        });
    }

    private void setupLoginFields() {
        // disable the EID and password preferences if the user is logged in
        // TODO: make a method to check if user is logged in, it's cleaner that way
        if (isUserLoggedIn()) {
            loginfield.setEnabled(false);
            passwordfield.setEnabled(false);
        } else {
            loginfield.setEnabled(true);
            passwordfield.setEnabled(true);
        }
    }

    @Override
    public boolean onOptionsItemSelected(MenuItem item) {
        int id = item.getItemId();
        switch (id) {
            case android.R.id.home:
                // app icon in action bar clicked; go home
                super.onBackPressed();
                break;
        }
        return false;
    }

    @Override
    public void onResume() {
        super.onResume();
        setupLoginFields();
        ba.notifyDataSetChanged();
    }

    private boolean isUserLoggedIn() {
        UTilitiesApplication mApp = (UTilitiesApplication) getApplication();
        return mApp.getAuthCookie(UTD_AUTH_COOKIE_KEY).hasCookieBeenSet() &&
                mApp.getAuthCookie(PNA_AUTH_COOKIE_KEY).hasCookieBeenSet() &&
                mApp.getAuthCookie(BB_AUTH_COOKIE_KEY).hasCookieBeenSet();
    }
}
Java Source Code List
