98 lines
3.8 KiB
Java
98 lines
3.8 KiB
Java
/* Copyright 2017 Andrew Dawson
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*
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* This file is a part of Tusky.
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*
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* This program is free software; you can redistribute it and/or modify it under the terms of the
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* GNU General Public License as published by the Free Software Foundation; either version 3 of the
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* License, or (at your option) any later version.
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*
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* Tusky is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even
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* the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General
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* Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along with Tusky; if not,
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* see <http://www.gnu.org/licenses>. */
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package com.keylesspalace.tusky;
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import android.content.Intent;
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import android.content.SharedPreferences;
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import android.os.Bundle;
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import android.preference.PreferenceManager;
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import android.support.annotation.Nullable;
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import com.keylesspalace.tusky.fragment.PreferencesFragment;
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public class PreferencesActivity extends BaseActivity
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implements SharedPreferences.OnSharedPreferenceChangeListener {
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private boolean themeSwitched;
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@Override
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protected void onCreate(@Nullable Bundle savedInstanceState) {
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super.onCreate(savedInstanceState);
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if (savedInstanceState != null) {
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themeSwitched = savedInstanceState.getBoolean("themeSwitched");
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} else {
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Bundle extras = getIntent().getExtras();
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themeSwitched = extras != null && extras.getBoolean("themeSwitched");
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}
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SharedPreferences preferences = PreferenceManager.getDefaultSharedPreferences(this);
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if (preferences.getBoolean("lightTheme", false)) {
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setTheme(R.style.AppTheme_Light);
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}
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preferences.registerOnSharedPreferenceChangeListener(this);
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getFragmentManager().beginTransaction()
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.replace(android.R.id.content, new PreferencesFragment())
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.commit();
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}
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private void saveInstanceState(Bundle outState) {
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outState.putBoolean("themeSwitched", themeSwitched);
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}
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@Override
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protected void onSaveInstanceState(Bundle outState) {
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saveInstanceState(outState);
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super.onSaveInstanceState(outState);
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}
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public void onSharedPreferenceChanged(SharedPreferences sharedPreferences, String key) {
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if (key.equals("lightTheme")) {
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themeSwitched = true;
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// recreate() could be used instead, but it doesn't have an animation B).
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Intent intent = getIntent();
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intent.setFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP | Intent.FLAG_ACTIVITY_NEW_TASK);
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Bundle savedInstanceState = new Bundle();
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saveInstanceState(savedInstanceState);
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intent.putExtras(savedInstanceState);
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startActivity(intent);
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finish();
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overridePendingTransition(R.anim.fade_in, R.anim.fade_out);
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} else if (key.equals("notificationsEnabled")) {
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boolean notificationsEnabled = sharedPreferences.getBoolean("notificationsEnabled", true);
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if (notificationsEnabled) {
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enablePushNotifications();
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} else {
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disablePushNotifications();
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}
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}
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}
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@Override
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public void onBackPressed() {
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/* Switching themes won't actually change the theme of activities on the back stack.
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* Either the back stack activities need to all be recreated, or do the easier thing, which
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* is hijack the back button press and use it to launch a new MainActivity and clear the
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* back stack. */
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if (themeSwitched) {
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Intent intent = new Intent(this, MainActivity.class);
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intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK | Intent.FLAG_ACTIVITY_CLEAR_TASK);
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startActivity(intent);
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} else {
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super.onBackPressed();
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}
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}
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}
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