Java tutorial
/******************************************************************************* * Copyright 2014 Federico Iosue (federico.iosue@gmail.com) * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. ******************************************************************************/ package it.feio.android.omninotes; import android.Manifest; import android.app.Activity; import android.content.Context; import android.content.Intent; import android.content.SharedPreferences; import android.content.pm.PackageInfo; import android.content.pm.PackageManager.NameNotFoundException; import android.media.RingtoneManager; import android.net.Uri; import android.os.Build; import android.os.Bundle; import android.preference.*; import android.support.v7.widget.Toolbar; import android.text.Editable; import android.text.TextUtils; import android.text.TextWatcher; import android.util.Log; import android.view.LayoutInflater; import android.view.MenuItem; import android.view.View; import android.widget.EditText; import android.widget.ListView; import android.widget.TextView; import android.widget.Toast; import com.afollestad.materialdialogs.MaterialDialog; import it.feio.android.omninotes.async.DataBackupIntentService; import it.feio.android.omninotes.helpers.AnalyticsHelper; import it.feio.android.omninotes.helpers.PermissionsHelper; import it.feio.android.omninotes.models.ONStyle; import it.feio.android.omninotes.models.listeners.OnPermissionRequestedListener; import it.feio.android.omninotes.utils.*; import org.apache.commons.lang.StringUtils; import java.io.File; import java.text.SimpleDateFormat; import java.util.Arrays; import java.util.Calendar; import java.util.List; public class SettingsFragment extends PreferenceFragment { private SharedPreferences prefs; private final int SPRINGPAD_IMPORT = 0; private final int RINGTONE_REQUEST_CODE = 100; public final static String XML_NAME = "xmlName"; private Activity activity; @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); int xmlId = R.xml.settings; if (getArguments() != null && getArguments().containsKey(XML_NAME)) { xmlId = ResourcesUtils.getXmlId(OmniNotes.getAppContext(), ResourcesUtils.ResourceIdentifiers.xml, String.valueOf(getArguments().get(XML_NAME))); } addPreferencesFromResource(xmlId); } @Override public void onAttach(Activity activity) { super.onAttach(activity); this.activity = activity; prefs = activity.getSharedPreferences(Constants.PREFS_NAME, Context.MODE_MULTI_PROCESS); setTitle(); } private void setTitle() { String title = getString(R.string.settings); if (getArguments() != null && getArguments().containsKey(XML_NAME)) { String xmlName = getArguments().getString(XML_NAME); if (!TextUtils.isEmpty(xmlName)) { int stringResourceId = getActivity().getResources().getIdentifier( xmlName.replace("settings_", "settings_screen_"), "string", getActivity().getPackageName()); title = stringResourceId != 0 ? getString(stringResourceId) : title; } } Toolbar toolbar = ((Toolbar) getActivity().findViewById(R.id.toolbar)); if (toolbar != null) toolbar.setTitle(title); } @Override public boolean onOptionsItemSelected(MenuItem item) { switch (item.getItemId()) { case android.R.id.home: getActivity().onBackPressed(); break; } return super.onOptionsItemSelected(item); } @Override public boolean onPreferenceTreeClick(PreferenceScreen preferenceScreen, Preference preference) { super.onPreferenceTreeClick(preferenceScreen, preference); if (preference instanceof PreferenceScreen) { ((SettingsActivity) getActivity()).switchToScreen(preference.getKey()); } return false; } @SuppressWarnings("deprecation") @Override public void onResume() { super.onResume(); // Export notes Preference export = findPreference("settings_export_data"); if (export != null) { export.setOnPreferenceClickListener(arg0 -> { // Inflate layout LayoutInflater inflater = getActivity().getLayoutInflater(); View v = inflater.inflate(R.layout.dialog_backup_layout, null); // Finds actually saved backups names PermissionsHelper.requestPermission(getActivity(), Manifest.permission.WRITE_EXTERNAL_STORAGE, R.string.permission_external_storage, activity.findViewById(R.id.crouton_handle), () -> export(v)); return false; }); } // Import notes Preference importData = findPreference("settings_import_data"); if (importData != null) { importData.setOnPreferenceClickListener(arg0 -> { // Finds actually saved backups names PermissionsHelper.requestPermission(getActivity(), Manifest.permission.READ_EXTERNAL_STORAGE, R.string.permission_external_storage, activity.findViewById(R.id.crouton_handle), this::importNotes); return false; }); } // Import notes from Springpad export zip file Preference importFromSpringpad = findPreference("settings_import_from_springpad"); if (importFromSpringpad != null) { importFromSpringpad.setOnPreferenceClickListener(arg0 -> { Intent intent; intent = new Intent(Intent.ACTION_GET_CONTENT); intent.addCategory(Intent.CATEGORY_OPENABLE); intent.setType("application/zip"); if (!IntentChecker.isAvailable(getActivity(), intent, null)) { Toast.makeText(getActivity(), R.string.feature_not_available_on_this_device, Toast.LENGTH_SHORT) .show(); return false; } startActivityForResult(intent, SPRINGPAD_IMPORT); return false; }); } // Preference syncWithDrive = findPreference("settings_backup_drive"); // importFromSpringpad.setOnPreferenceClickListener(new OnPreferenceClickListener() { // @Override // public boolean onPreferenceClick(Preference arg0) { // Intent intent; // intent = new Intent(Intent.ACTION_GET_CONTENT); // intent.addCategory(Intent.CATEGORY_OPENABLE); // intent.setType("application/zip"); // if (!IntentChecker.isAvailable(getActivity(), intent, null)) { // Crouton.makeText(getActivity(), R.string.feature_not_available_on_this_device, // ONStyle.ALERT).show(); // return false; // } // startActivityForResult(intent, SPRINGPAD_IMPORT); // return false; // } // }); // Swiping action final SwitchPreference swipeToTrash = (SwitchPreference) findPreference("settings_swipe_to_trash"); if (swipeToTrash != null) { if (prefs.getBoolean("settings_swipe_to_trash", false)) { swipeToTrash.setChecked(true); swipeToTrash.setSummary(getResources().getString(R.string.settings_swipe_to_trash_summary_2)); } else { swipeToTrash.setSummary(getResources().getString(R.string.settings_swipe_to_trash_summary_1)); swipeToTrash.setChecked(false); } swipeToTrash.setOnPreferenceChangeListener((preference, newValue) -> { if ((Boolean) newValue) { swipeToTrash.setSummary(getResources().getString(R.string.settings_swipe_to_trash_summary_2)); } else { swipeToTrash.setSummary(getResources().getString(R.string.settings_swipe_to_trash_summary_1)); } swipeToTrash.setChecked((Boolean) newValue); return false; }); } // Show uncategorized notes in menu final SwitchPreference showUncategorized = (SwitchPreference) findPreference( Constants.PREF_SHOW_UNCATEGORIZED); if (showUncategorized != null) { showUncategorized.setOnPreferenceChangeListener((preference, newValue) -> { showUncategorized.setChecked((Boolean) newValue); return false; }); } // Show Automatically adds location to new notes final SwitchPreference autoLocation = (SwitchPreference) findPreference(Constants.PREF_AUTO_LOCATION); if (autoLocation != null) { autoLocation.setOnPreferenceChangeListener((preference, newValue) -> { autoLocation.setChecked((Boolean) newValue); return false; }); } // Maximum video attachment size final EditTextPreference maxVideoSize = (EditTextPreference) findPreference("settings_max_video_size"); if (maxVideoSize != null) { String maxVideoSizeValue = prefs.getString("settings_max_video_size", getString(R.string.not_set)); maxVideoSize.setSummary( getString(R.string.settings_max_video_size_summary) + ": " + String.valueOf(maxVideoSizeValue)); maxVideoSize.setOnPreferenceChangeListener((preference, newValue) -> { maxVideoSize.setSummary( getString(R.string.settings_max_video_size_summary) + ": " + String.valueOf(newValue)); prefs.edit().putString("settings_max_video_size", newValue.toString()).commit(); return false; }); } // Set notes' protection password Preference password = findPreference("settings_password"); if (password != null) { password.setOnPreferenceClickListener(preference -> { Intent passwordIntent = new Intent(getActivity(), PasswordActivity.class); startActivity(passwordIntent); return false; }); } // Use password to grant application access final SwitchPreference passwordAccess = (SwitchPreference) findPreference("settings_password_access"); if (passwordAccess != null) { if (prefs.getString(Constants.PREF_PASSWORD, null) == null) { passwordAccess.setEnabled(false); passwordAccess.setChecked(false); } else { passwordAccess.setEnabled(true); } passwordAccess.setOnPreferenceChangeListener((preference, newValue) -> { BaseActivity.requestPassword(getActivity(), passwordConfirmed -> { if (passwordConfirmed) { passwordAccess.setChecked((Boolean) newValue); } }); return false; }); } // Languages ListPreference lang = (ListPreference) findPreference("settings_language"); if (lang != null) { String languageName = getResources().getConfiguration().locale.getDisplayName(); lang.setSummary(languageName.substring(0, 1).toUpperCase(getResources().getConfiguration().locale) + languageName.substring(1, languageName.length())); lang.setOnPreferenceChangeListener((preference, value) -> { OmniNotes.updateLanguage(getActivity(), value.toString()); MiscUtils.restartApp(getActivity().getApplicationContext(), MainActivity.class); return false; }); } // Text size final ListPreference textSize = (ListPreference) findPreference("settings_text_size"); if (textSize != null) { int textSizeIndex = textSize.findIndexOfValue(prefs.getString("settings_text_size", "default")); String textSizeString = getResources().getStringArray(R.array.text_size)[textSizeIndex]; textSize.setSummary(textSizeString); textSize.setOnPreferenceChangeListener((preference, newValue) -> { int textSizeIndex1 = textSize.findIndexOfValue(newValue.toString()); String checklistString = getResources().getStringArray(R.array.text_size)[textSizeIndex1]; textSize.setSummary(checklistString); prefs.edit().putString("settings_text_size", newValue.toString()).commit(); textSize.setValueIndex(textSizeIndex1); return false; }); } // Application's colors final ListPreference colorsApp = (ListPreference) findPreference("settings_colors_app"); if (colorsApp != null) { int colorsAppIndex = colorsApp .findIndexOfValue(prefs.getString("settings_colors_app", Constants.PREF_COLORS_APP_DEFAULT)); String colorsAppString = getResources().getStringArray(R.array.colors_app)[colorsAppIndex]; colorsApp.setSummary(colorsAppString); colorsApp.setOnPreferenceChangeListener((preference, newValue) -> { int colorsAppIndex1 = colorsApp.findIndexOfValue(newValue.toString()); String colorsAppString1 = getResources().getStringArray(R.array.colors_app)[colorsAppIndex1]; colorsApp.setSummary(colorsAppString1); prefs.edit().putString("settings_colors_app", newValue.toString()).commit(); colorsApp.setValueIndex(colorsAppIndex1); return false; }); } // Checklists final ListPreference checklist = (ListPreference) findPreference("settings_checked_items_behavior"); if (checklist != null) { int checklistIndex = checklist .findIndexOfValue(prefs.getString("settings_checked_items_behavior", "0")); String checklistString = getResources().getStringArray(R.array.checked_items_behavior)[checklistIndex]; checklist.setSummary(checklistString); checklist.setOnPreferenceChangeListener((preference, newValue) -> { int checklistIndex1 = checklist.findIndexOfValue(newValue.toString()); String checklistString1 = getResources() .getStringArray(R.array.checked_items_behavior)[checklistIndex1]; checklist.setSummary(checklistString1); prefs.edit().putString("settings_checked_items_behavior", newValue.toString()).commit(); checklist.setValueIndex(checklistIndex1); return false; }); } // Widget's colors final ListPreference colorsWidget = (ListPreference) findPreference("settings_colors_widget"); if (colorsWidget != null) { int colorsWidgetIndex = colorsWidget .findIndexOfValue(prefs.getString("settings_colors_widget", Constants.PREF_COLORS_APP_DEFAULT)); String colorsWidgetString = getResources().getStringArray(R.array.colors_widget)[colorsWidgetIndex]; colorsWidget.setSummary(colorsWidgetString); colorsWidget.setOnPreferenceChangeListener((preference, newValue) -> { int colorsWidgetIndex1 = colorsWidget.findIndexOfValue(newValue.toString()); String colorsWidgetString1 = getResources() .getStringArray(R.array.colors_widget)[colorsWidgetIndex1]; colorsWidget.setSummary(colorsWidgetString1); prefs.edit().putString("settings_colors_widget", newValue.toString()).commit(); colorsWidget.setValueIndex(colorsWidgetIndex1); return false; }); } // Notification snooze delay final EditTextPreference snoozeDelay = (EditTextPreference) findPreference( "settings_notification_snooze_delay"); if (snoozeDelay != null) { String snooze = prefs.getString("settings_notification_snooze_delay", Constants.PREF_SNOOZE_DEFAULT); snooze = TextUtils.isEmpty(snooze) ? Constants.PREF_SNOOZE_DEFAULT : snooze; snoozeDelay.setSummary(String.valueOf(snooze) + " " + getString(R.string.minutes)); snoozeDelay.setOnPreferenceChangeListener((preference, newValue) -> { String snoozeUpdated = TextUtils.isEmpty(String.valueOf(newValue)) ? Constants.PREF_SNOOZE_DEFAULT : String.valueOf(newValue); snoozeDelay.setSummary(snoozeUpdated + " " + getString(R.string.minutes)); prefs.edit().putString("settings_notification_snooze_delay", snoozeUpdated).apply(); return false; }); } // NotificationServiceListener shortcut final Preference norificationServiceListenerPreference = findPreference( "settings_notification_service_listener"); if (norificationServiceListenerPreference != null) { if (Build.VERSION.SDK_INT < Build.VERSION_CODES.JELLY_BEAN_MR2) { getPreferenceScreen().removePreference(norificationServiceListenerPreference); } } // Changelog Preference changelog = findPreference("settings_changelog"); if (changelog != null) { changelog.setOnPreferenceClickListener(arg0 -> { AnalyticsHelper.trackEvent(AnalyticsHelper.CATEGORIES.SETTING, "settings_changelog"); new MaterialDialog.Builder(activity).customView(R.layout.activity_changelog, false) .positiveText(R.string.ok).build().show(); return false; }); // Retrieval of installed app version to write it as summary PackageInfo pInfo; String versionString = ""; try { pInfo = getActivity().getPackageManager().getPackageInfo(getActivity().getPackageName(), 0); versionString = pInfo.versionName; } catch (NameNotFoundException e) { Log.e(Constants.TAG, "Error retrieving version", e); } changelog.setSummary(versionString); } // Settings reset Preference resetData = findPreference("reset_all_data"); if (resetData != null) { resetData.setOnPreferenceClickListener(arg0 -> { new MaterialDialog.Builder(activity).content(R.string.reset_all_data_confirmation) .positiveText(R.string.confirm).callback(new MaterialDialog.ButtonCallback() { @Override public void onPositive(MaterialDialog dialog) { prefs.edit().clear().commit(); File db = getActivity().getDatabasePath(Constants.DATABASE_NAME); StorageHelper.delete(getActivity(), db.getAbsolutePath()); File attachmentsDir = StorageHelper.getAttachmentDir(getActivity()); StorageHelper.delete(getActivity(), attachmentsDir.getAbsolutePath()); File cacheDir = StorageHelper.getCacheDir(getActivity()); StorageHelper.delete(getActivity(), cacheDir.getAbsolutePath()); MiscUtils.restartApp(getActivity().getApplicationContext(), MainActivity.class); } }).build().show(); return false; }); } // Instructions Preference instructions = findPreference("settings_tour_show_again"); if (instructions != null) { instructions.setOnPreferenceClickListener(arg0 -> { new MaterialDialog.Builder(getActivity()) .content(getString(R.string.settings_tour_show_again_summary) + "?") .positiveText(R.string.confirm).callback(new MaterialDialog.ButtonCallback() { @Override public void onPositive(MaterialDialog materialDialog) { AnalyticsHelper.trackEvent(AnalyticsHelper.CATEGORIES.SETTING, "settings_tour_show_again"); prefs.edit().putBoolean(Constants.PREF_TOUR_COMPLETE, false).commit(); MiscUtils.restartApp(getActivity().getApplicationContext(), MainActivity.class); } }).build().show(); return false; }); } // Donations // Preference donation = findPreference("settings_donation"); // if (donation != null) { // donation.setOnPreferenceClickListener(new OnPreferenceClickListener() { // @Override // public boolean onPreferenceClick(Preference preference) { // AlertDialog.Builder alertDialogBuilder = new AlertDialog.Builder(getActivity()); // // ArrayList<ImageAndTextItem> options = new ArrayList<ImageAndTextItem>(); // options.add(new ImageAndTextItem(R.drawable.ic_paypal, getString(R.string.paypal))); // options.add(new ImageAndTextItem(R.drawable.ic_bitcoin, getString(R.string.bitcoin))); // // alertDialogBuilder // .setAdapter(new ImageAndTextAdapter(getActivity(), options), // new DialogInterface.OnClickListener() { // @Override // public void onClick(DialogInterface dialog, int which) { // switch (which) { // case 0: // Intent intentPaypal = new Intent(Intent.ACTION_VIEW); // intentPaypal.setData(Uri.parse(getString(R.string.paypal_url))); // startActivity(intentPaypal); // break; // case 1: // Intent intentBitcoin = new Intent(Intent.ACTION_VIEW); // intentBitcoin.setData(Uri.parse(getString(R.string.bitcoin_url))); // startActivity(intentBitcoin); // break; // } // } // }); // // // // create alert dialog // AlertDialog alertDialog = alertDialogBuilder.create(); // // show it // alertDialog.show(); // return false; // } // }); // } } private void importNotes() { final CharSequence[] backups = StorageHelper.getExternalStoragePublicDir().list(); if (backups.length == 0) { ((SettingsActivity) getActivity()).showMessage(R.string.no_backups_available, ONStyle.WARN); } else { MaterialDialog importDialog = new MaterialDialog.Builder(getActivity()) .title(R.string.data_import_message).items(backups).positiveText(R.string.confirm) .callback(new MaterialDialog.ButtonCallback() { @Override public void onPositive(MaterialDialog materialDialog) { } }).build(); // OnShow is overridden to allow long-click on item so user can remove them importDialog.setOnShowListener(dialog -> { ListView lv = importDialog.getListView(); assert lv != null; lv.setOnItemClickListener((parent, view, position, id) -> { // Retrieves backup size File backupDir = StorageHelper.getBackupDir(backups[position].toString()); long size = StorageHelper.getSize(backupDir) / 1024; String sizeString = size > 1024 ? size / 1024 + "Mb" : size + "Kb"; // Check preference presence String prefName = StorageHelper.getSharedPreferencesFile(getActivity()).getName(); boolean hasPreferences = (new File(backupDir, prefName)).exists(); String message = backups[position] + " (" + sizeString + (hasPreferences ? " " + getString(R.string.settings_included) : "") + ")"; new MaterialDialog.Builder(getActivity()).title(R.string.confirm_restoring_backup) .content(message).positiveText(R.string.confirm) .callback(new MaterialDialog.ButtonCallback() { @Override public void onPositive(MaterialDialog materialDialog) { AnalyticsHelper.trackEvent(AnalyticsHelper.CATEGORIES.SETTING, "settings_import_data"); importDialog.dismiss(); // An IntentService will be launched to accomplish the import task Intent service = new Intent(getActivity(), DataBackupIntentService.class); service.setAction(DataBackupIntentService.ACTION_DATA_IMPORT); service.putExtra(DataBackupIntentService.INTENT_BACKUP_NAME, backups[position]); getActivity().startService(service); } }).build().show(); }); // Creation of backup removal dialog lv.setOnItemLongClickListener((parent, view, position, id) -> { // Retrieves backup size File backupDir = StorageHelper.getBackupDir(backups[position].toString()); long size = StorageHelper.getSize(backupDir) / 1024; String sizeString = size > 1024 ? size / 1024 + "Mb" : size + "Kb"; new MaterialDialog.Builder(getActivity()).title(R.string.confirm_removing_backup) .content(backups[position] + "" + " (" + sizeString + ")") .positiveText(R.string.confirm).callback(new MaterialDialog.ButtonCallback() { @Override public void onPositive(MaterialDialog materialDialog) { importDialog.dismiss(); // An IntentService will be launched to accomplish the deletion task Intent service = new Intent(getActivity(), DataBackupIntentService.class); service.setAction(DataBackupIntentService.ACTION_DATA_DELETE); service.putExtra(DataBackupIntentService.INTENT_BACKUP_NAME, backups[position]); getActivity().startService(service); } }).build().show(); return true; }); }); importDialog.show(); } } private void export(View v) { final List<String> backups = Arrays.asList(StorageHelper.getExternalStoragePublicDir().list()); // Sets default export file name SimpleDateFormat sdf = new SimpleDateFormat(Constants.DATE_FORMAT_EXPORT); String fileName = sdf.format(Calendar.getInstance().getTime()); final EditText fileNameEditText = (EditText) v.findViewById(R.id.export_file_name); final TextView backupExistingTextView = (TextView) v.findViewById(R.id.backup_existing); fileNameEditText.setHint(fileName); fileNameEditText.addTextChangedListener(new TextWatcher() { @Override public void onTextChanged(CharSequence arg0, int arg1, int arg2, int arg3) { } @Override public void beforeTextChanged(CharSequence arg0, int arg1, int arg2, int arg3) { } @Override public void afterTextChanged(Editable arg0) { if (backups.contains(arg0.toString())) { backupExistingTextView.setText(R.string.backup_existing); } else { backupExistingTextView.setText(""); } } }); new MaterialDialog.Builder(getActivity()).title(R.string.data_export_message).customView(v, false) .positiveText(R.string.confirm).callback(new MaterialDialog.ButtonCallback() { @Override public void onPositive(MaterialDialog materialDialog) { AnalyticsHelper.trackEvent(AnalyticsHelper.CATEGORIES.SETTING, "settings_export_data"); // An IntentService will be launched to accomplish the export task Intent service = new Intent(getActivity(), DataBackupIntentService.class); service.setAction(DataBackupIntentService.ACTION_DATA_EXPORT); String backupName = StringUtils.isEmpty(fileNameEditText.getText().toString()) ? fileNameEditText.getHint().toString() : fileNameEditText.getText().toString(); service.putExtra(DataBackupIntentService.INTENT_BACKUP_NAME, backupName); getActivity().startService(service); } }).build().show(); } @Override public void onStart() { AnalyticsHelper.trackScreenView(getClass().getName()); super.onStart(); } @Override public void onActivityResult(int requestCode, int resultCode, Intent intent) { if (resultCode == Activity.RESULT_OK) { switch (requestCode) { case SPRINGPAD_IMPORT: Uri filesUri = intent.getData(); String path = FileHelper.getPath(getActivity(), filesUri); // An IntentService will be launched to accomplish the import task Intent service = new Intent(getActivity(), DataBackupIntentService.class); service.setAction(DataBackupIntentService.ACTION_DATA_IMPORT_SPRINGPAD); service.putExtra(DataBackupIntentService.EXTRA_SPRINGPAD_BACKUP, path); getActivity().startService(service); break; case RINGTONE_REQUEST_CODE: Uri uri = intent.getParcelableExtra(RingtoneManager.EXTRA_RINGTONE_PICKED_URI); String notificationSound = uri == null ? null : uri.toString(); prefs.edit().putString("settings_notification_ringtone", notificationSound).apply(); break; } } } }