Example usage for android.preference TwoStatePreference setOnPreferenceChangeListener

List of usage examples for android.preference TwoStatePreference setOnPreferenceChangeListener

Introduction

In this page you can find the example usage for android.preference TwoStatePreference setOnPreferenceChangeListener.

Prototype

public void setOnPreferenceChangeListener(OnPreferenceChangeListener onPreferenceChangeListener) 

Source Link

Document

Sets the callback to be invoked when this Preference is changed by the user (but before the internal state has been updated).

Usage

From source file:be.ppareit.swiftp.gui.PreferenceFragment.java

@Override
public void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    addPreferencesFromResource(R.xml.preferences);

    final SharedPreferences sp = PreferenceManager.getDefaultSharedPreferences(getActivity());
    Resources resources = getResources();

    TwoStatePreference runningPref = findPref("running_switch");
    updateRunningState();/*w w w .ja  v a2 s .  c o m*/
    runningPref.setOnPreferenceChangeListener((preference, newValue) -> {
        if ((Boolean) newValue) {
            startServer();
        } else {
            stopServer();
        }
        return true;
    });

    PreferenceScreen prefScreen = findPref("preference_screen");
    Preference marketVersionPref = findPref("market_version");
    marketVersionPref.setOnPreferenceClickListener(preference -> {
        // start the market at our application
        Intent intent = new Intent(Intent.ACTION_VIEW);
        intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
        intent.setData(Uri.parse("market://details?id=be.ppareit.swiftp"));
        try {
            // this can fail if there is no market installed
            startActivity(intent);
        } catch (Exception e) {
            Cat.e("Failed to launch the market.");
            e.printStackTrace();
        }
        return false;
    });
    if (!App.isFreeVersion()) {
        prefScreen.removePreference(marketVersionPref);
    }

    updateLoginInfo();

    EditTextPreference usernamePref = findPref("username");
    usernamePref.setOnPreferenceChangeListener((preference, newValue) -> {
        String newUsername = (String) newValue;
        if (preference.getSummary().equals(newUsername))
            return false;
        if (!newUsername.matches("[a-zA-Z0-9]+")) {
            Toast.makeText(getActivity(), R.string.username_validation_error, Toast.LENGTH_LONG).show();
            return false;
        }
        stopServer();
        return true;
    });

    mPassWordPref = findPref("password");
    mPassWordPref.setOnPreferenceChangeListener((preference, newValue) -> {
        stopServer();
        return true;
    });
    mAutoconnectListPref = findPref("autoconnect_preference");
    mAutoconnectListPref.setOnPopulateListener(pref -> {
        Cat.d("autoconnect populate listener");

        WifiManager wifiManager = (WifiManager) getActivity().getApplicationContext()
                .getSystemService(Context.WIFI_SERVICE);
        List<WifiConfiguration> configs = wifiManager.getConfiguredNetworks();
        if (configs == null) {
            Cat.e("Unable to receive wifi configurations, bark at user and bail");
            Toast.makeText(getActivity(), R.string.autoconnect_error_enable_wifi_for_access_points,
                    Toast.LENGTH_LONG).show();
            return;
        }
        CharSequence[] ssids = new CharSequence[configs.size()];
        CharSequence[] niceSsids = new CharSequence[configs.size()];
        for (int i = 0; i < configs.size(); ++i) {
            ssids[i] = configs.get(i).SSID;
            String ssid = configs.get(i).SSID;
            if (ssid.length() > 2 && ssid.startsWith("\"") && ssid.endsWith("\"")) {
                ssid = ssid.substring(1, ssid.length() - 1);
            }
            niceSsids[i] = ssid;
        }
        pref.setEntries(niceSsids);
        pref.setEntryValues(ssids);
    });
    mAutoconnectListPref.setOnPreferenceClickListener(preference -> {
        Cat.d("Clicked");
        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
            if (ActivityCompat.checkSelfPermission(getContext(),
                    Manifest.permission.ACCESS_COARSE_LOCATION) == PackageManager.PERMISSION_DENIED) {
                if (ActivityCompat.shouldShowRequestPermissionRationale(getActivity(),
                        Manifest.permission.ACCESS_COARSE_LOCATION)) {
                    new AlertDialog.Builder(getContext()).setTitle(R.string.request_coarse_location_dlg_title)
                            .setMessage(R.string.request_coarse_location_dlg_message)
                            .setPositiveButton(android.R.string.ok, (dialog, which) -> {
                                requestPermissions(new String[] { Manifest.permission.ACCESS_COARSE_LOCATION },
                                        ACCESS_COARSE_LOCATION_REQUEST_CODE);
                            }).setOnCancelListener(dialog -> {
                                mAutoconnectListPref.getDialog().cancel();
                            }).create().show();
                } else {
                    requestPermissions(new String[] { Manifest.permission.ACCESS_COARSE_LOCATION },
                            ACCESS_COARSE_LOCATION_REQUEST_CODE);
                }
            }
        }
        return false;
    });

    EditTextPreference portnum_pref = findPref("portNum");
    portnum_pref.setSummary(sp.getString("portNum", resources.getString(R.string.portnumber_default)));
    portnum_pref.setOnPreferenceChangeListener((preference, newValue) -> {
        String newPortnumString = (String) newValue;
        if (preference.getSummary().equals(newPortnumString))
            return false;
        int portnum = 0;
        try {
            portnum = Integer.parseInt(newPortnumString);
        } catch (Exception e) {
            Cat.d("Error parsing port number! Moving on...");
        }
        if (portnum <= 0 || 65535 < portnum) {
            Toast.makeText(getActivity(), R.string.port_validation_error, Toast.LENGTH_LONG).show();
            return false;
        }
        preference.setSummary(newPortnumString);
        stopServer();
        return true;
    });

    Preference chroot_pref = findPref("chrootDir");
    chroot_pref.setSummary(FsSettings.getChrootDirAsString());
    chroot_pref.setOnPreferenceClickListener(preference -> {
        AlertDialog folderPicker = new FolderPickerDialogBuilder(getActivity(), FsSettings.getChrootDir())
                .setSelectedButton(R.string.select, path -> {
                    if (preference.getSummary().equals(path))
                        return;
                    if (!FsSettings.setChrootDir(path))
                        return;
                    // TODO: this is a hotfix, create correct resources, improve UI/UX
                    final File root = new File(path);
                    if (!root.canRead()) {
                        Toast.makeText(getActivity(), "Notice that we can't read/write in this folder.",
                                Toast.LENGTH_LONG).show();
                    } else if (!root.canWrite()) {
                        Toast.makeText(getActivity(),
                                "Notice that we can't write in this folder, reading will work. Writing in sub folders might work.",
                                Toast.LENGTH_LONG).show();
                    }

                    preference.setSummary(path);
                    stopServer();
                }).setNegativeButton(R.string.cancel, null).create();
        folderPicker.show();
        return true;
    });

    final CheckBoxPreference wakelock_pref = findPref("stayAwake");
    wakelock_pref.setOnPreferenceChangeListener((preference, newValue) -> {
        stopServer();
        return true;
    });

    final CheckBoxPreference writeExternalStorage_pref = findPref("writeExternalStorage");
    String externalStorageUri = FsSettings.getExternalStorageUri();
    if (externalStorageUri == null) {
        writeExternalStorage_pref.setChecked(false);
    }
    writeExternalStorage_pref.setOnPreferenceChangeListener((preference, newValue) -> {
        if ((boolean) newValue) {
            Intent intent = new Intent(Intent.ACTION_OPEN_DOCUMENT_TREE);
            startActivityForResult(intent, ACTION_OPEN_DOCUMENT_TREE);
            return false;
        } else {
            FsSettings.setExternalStorageUri(null);
            return true;
        }
    });

    ListPreference theme = findPref("theme");
    theme.setSummary(theme.getEntry());
    theme.setOnPreferenceChangeListener((preference, newValue) -> {
        theme.setSummary(theme.getEntry());
        getActivity().recreate();
        return true;
    });

    Preference help = findPref("help");
    help.setOnPreferenceClickListener(preference -> {
        Cat.v("On preference help clicked");
        Context context = getActivity();
        AlertDialog ad = new AlertDialog.Builder(context).setTitle(R.string.help_dlg_title)
                .setMessage(R.string.help_dlg_message).setPositiveButton(android.R.string.ok, null).create();
        ad.show();
        Linkify.addLinks((TextView) ad.findViewById(android.R.id.message), Linkify.ALL);
        return true;
    });

    Preference about = findPref("about");
    about.setOnPreferenceClickListener(preference -> {
        startActivity(new Intent(getActivity(), AboutActivity.class));
        return true;
    });

}