2 * Copyright © 2016-2022 Soren Stoutner <soren@stoutner.com>.
4 * This file is part of Privacy Browser Android <https://www.stoutner.com/privacy-browser-android>.
6 * Privacy Browser Android is free software: you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation, either version 3 of the License, or
9 * (at your option) any later version.
11 * Privacy Browser Android is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
16 * You should have received a copy of the GNU General Public License
17 * along with Privacy Browser Android. If not, see <http://www.gnu.org/licenses/>.
20 package com.stoutner.privacybrowser.activities;
22 import android.content.SharedPreferences;
23 import android.os.Bundle;
24 import android.preference.PreferenceManager;
25 import android.view.WindowManager;
27 import androidx.appcompat.app.ActionBar;
28 import androidx.appcompat.app.AppCompatActivity;
29 import androidx.appcompat.widget.Toolbar;
30 import androidx.viewpager.widget.ViewPager;
32 import com.google.android.material.tabs.TabLayout;
34 import com.stoutner.privacybrowser.adapters.GuidePagerAdapter;
35 import com.stoutner.privacybrowser.R;
37 public class GuideActivity extends AppCompatActivity {
39 protected void onCreate(Bundle savedInstanceState) {
40 // Get a handle for the shared preferences.
41 SharedPreferences sharedPreferences = PreferenceManager.getDefaultSharedPreferences(this);
43 // Get the preferences.
44 boolean allowScreenshots = sharedPreferences.getBoolean(getString(R.string.allow_screenshots_key), false);
45 boolean bottomAppBar = sharedPreferences.getBoolean(getString(R.string.bottom_app_bar_key), false);
47 // Disable screenshots if not allowed.
48 if (!allowScreenshots) {
49 getWindow().addFlags(WindowManager.LayoutParams.FLAG_SECURE);
53 setTheme(R.style.PrivacyBrowser);
55 // Run the default commands.
56 super.onCreate(savedInstanceState);
58 // Set the content view.
60 setContentView(R.layout.guide_bottom_appbar);
62 setContentView(R.layout.guide_top_appbar);
65 // Get a handle for the toolbar.
66 Toolbar toolbar = findViewById(R.id.guide_toolbar);
68 // Set the support action bar.
69 setSupportActionBar(toolbar);
71 // Get a handle for the action bar.
72 final ActionBar actionBar = getSupportActionBar();
74 // Remove the incorrect lint warning that the action bar might be null.
75 assert actionBar != null;
77 // Display the home arrow on the action bar.
78 actionBar.setDisplayHomeAsUpEnabled(true);
80 // Get a handle for the view pager and the tab layout.
81 ViewPager aboutViewPager = findViewById(R.id.guide_viewpager);
82 TabLayout aboutTabLayout = findViewById(R.id.guide_tablayout);
84 // Remove the incorrect lint warnings that the views might be null
85 assert aboutViewPager != null;
86 assert aboutTabLayout != null;
88 // Set the view pager adapter.
89 aboutViewPager.setAdapter(new GuidePagerAdapter(getSupportFragmentManager(), getApplicationContext()));
91 // Keep all the tabs in memory.
92 aboutViewPager.setOffscreenPageLimit(10);
94 // Link the tab layout to the view pager.
95 aboutTabLayout.setupWithViewPager(aboutViewPager);