Android Open Source - sthlmtraveling Settings Activity

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License

The source code is released under:
Apache License
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Java Source Code

package com.markupartist.sthlmtraveling;
//from  ww w .  j  a v  a  2s .c  o  m
import android.app.AlertDialog;
import android.app.Dialog;
import android.content.DialogInterface;
import android.content.DialogInterface.OnClickListener;
import android.content.Intent;
import android.content.SharedPreferences;
import android.content.SharedPreferences.OnSharedPreferenceChangeListener;
import android.net.Uri;
import android.os.Bundle;
import android.preference.Preference;
import android.preference.PreferenceScreen;
import android.widget.Toast;

import com.markupartist.sthlmtraveling.provider.HistoryDbAdapter;
import com.markupartist.sthlmtraveling.provider.JourneysProvider.Journey.Journeys;
import com.markupartist.sthlmtraveling.service.DeviationService;
import com.markupartist.sthlmtraveling.utils.Analytics;

public class SettingsActivity extends BasePreferenceActivity
        implements OnSharedPreferenceChangeListener {
    private static final String TAG = "SettingsActivity";
    private static final int DIALOG_CLEAR_SEARCH_HISTORY = 0;
    private static final int DIALOG_CLEAR_FAVORITES = 1;

    private HistoryDbAdapter mHistoryDbAdapter;
    private int mClickCount;

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

        addPreferencesFromResource(R.xml.preferences);

        registerScreen("Settings");

        mHistoryDbAdapter = new HistoryDbAdapter(this).open();

        Preference customPref = findPreference("about_version");
        customPref.setSummary("Version " + MyApplication.APP_VERSION);
    }

    @Override
    protected void onDestroy() {
        super.onDestroy();
        mHistoryDbAdapter.close();
    }

    @Override
    public void onSharedPreferenceChanged(SharedPreferences sharedPreferences,
                                          String key) {
        if (key.equals("prefered_language_preference")) {
            MyApplication application = (MyApplication) getApplication();
            application.reloadLocaleForApplication();
            Toast.makeText(this, R.string.restart_app_for_full_effect,
                    Toast.LENGTH_LONG).show();
        } else if (key.equals("notification_deviations_enabled")) {
            boolean enabled = sharedPreferences.getBoolean("notification_deviations_enabled", false);
            if (enabled) {
                registerEvent("Starting deviation service", null);
                Analytics.getInstance(this).event("Settings", "Deviation Service", "start");
            } else {
                registerEvent("Disabled deviation service", null);
                Analytics.getInstance(this).event("Settings", "Deviation Service", "stop");
            }
            DeviationService.startAsRepeating(SettingsActivity.this);
        }

        Toast.makeText(this, R.string.settings_saved, Toast.LENGTH_LONG).show();
    }

    @Override
    public boolean onPreferenceTreeClick(PreferenceScreen preferenceScreen, Preference preference) {
        if (preference.getKey().equals("clear_search_history")) {
            showDialog(DIALOG_CLEAR_SEARCH_HISTORY);
            return true;
        } else if (preference.getKey().equals("clear_favorites")) {
            showDialog(DIALOG_CLEAR_FAVORITES);
            return true;
        } else if (preference.getKey().equals("about_legal")) {
            Intent i = new Intent(this, AboutActivity.class);
            startActivity(i);
        } else if (preference.getKey().equals("help_support")) {
            Intent i = new Intent(Intent.ACTION_VIEW, Uri.parse("http://kundo.se/org/sthlm-traveling/"));
            startActivity(i);
        } else if (preference.getKey().equals("about_donate")) {
            Intent i = new Intent(Intent.ACTION_VIEW, Uri.parse(getString(R.string.donate_url)));
            startActivity(i);
        } else if (preference.getKey().equals("about_contact")) {
            final Intent emailIntent = new Intent(
                    Intent.ACTION_SEND);
            emailIntent.setType("plain/text");
            emailIntent.putExtra(
                    android.content.Intent.EXTRA_EMAIL,
                    new String[]{getString(R.string.send_feedback_email_emailaddress)});
            emailIntent.putExtra(
                    android.content.Intent.EXTRA_SUBJECT,
                    getText(R.string.send_feedback_email_title));
            startActivity(Intent.createChooser(emailIntent,
                    getText(R.string.send_email)));
        } else if (preference.getKey().equals("about_version")) {
            mClickCount++;
            if (mClickCount == 20) {
                ((String) null).trim();
            }
        }
        return super.onPreferenceTreeClick(preferenceScreen, preference);
    }


    @Override
    protected void onResume() {
        super.onResume();
        // Set up a listener whenever a key changes            
        getPreferenceScreen().getSharedPreferences()
                .registerOnSharedPreferenceChangeListener(this);
    }

    @Override
    protected void onPause() {
        super.onPause();
        // Unregister the listener whenever a key changes            
        getPreferenceScreen().getSharedPreferences()
                .unregisterOnSharedPreferenceChangeListener(this);
    }

    @Override
    protected Dialog onCreateDialog(int id) {
        switch (id) {
            case DIALOG_CLEAR_SEARCH_HISTORY:
                return new AlertDialog.Builder(this)
                        .setTitle(R.string.search_clear_history_preference)
                        .setMessage(R.string.search_clear_history_confirm)
                        .setCancelable(true)
                        .setPositiveButton(R.string.yes, new OnClickListener() {
                            @Override
                            public void onClick(DialogInterface dialog, int which) {
                                getContentResolver().delete(Journeys.CONTENT_URI,
                                        Journeys.STARRED + " = 0 OR " +
                                                Journeys.STARRED + " IS NULL",
                                        null
                                );

                                mHistoryDbAdapter.deleteAll();
                                Toast.makeText(SettingsActivity.this,
                                        R.string.search_history_cleared,
                                        Toast.LENGTH_SHORT).show();
                            }
                        })
                        .setNegativeButton(R.string.no, new OnClickListener() {
                            @Override
                            public void onClick(DialogInterface dialog, int which) {
                                dialog.cancel();
                            }
                        })
                        .create();
            case DIALOG_CLEAR_FAVORITES:
                return new AlertDialog.Builder(this)
                        .setTitle(R.string.search_clear_favorites_preference)
                        .setMessage(R.string.search_clear_favorites_confirm)
                        .setCancelable(true)
                        .setPositiveButton(R.string.yes, new OnClickListener() {
                            @Override
                            public void onClick(DialogInterface dialog, int which) {
                                getContentResolver().delete(Journeys.CONTENT_URI,
                                        Journeys.STARRED + " = 1", null);
                                Toast.makeText(SettingsActivity.this,
                                        R.string.search_favorites_cleared,
                                        Toast.LENGTH_SHORT).show();
                            }
                        })
                        .setNegativeButton(R.string.no, new OnClickListener() {
                            @Override
                            public void onClick(DialogInterface dialog, int which) {
                                dialog.cancel();
                            }
                        })
                        .create();
        }

        return null;
    }

    @Override
    public boolean onSearchRequested() {
        Intent i = new Intent(this, StartActivity.class);
        i.setFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP);
        startActivity(i);
        return true;
    }

}
Java Source Code List
