/*
- * Copyright © 2016-2017 Soren Stoutner <soren@stoutner.com>.
+ * Copyright © 2016-2021 Soren Stoutner <soren@stoutner.com>.
*
* This file is part of Privacy Browser <https://www.stoutner.com/privacy-browser>.
*
package com.stoutner.privacybrowser.activities;
+import android.content.SharedPreferences;
import android.os.Bundle;
-import android.support.design.widget.TabLayout;
-import android.support.v4.app.Fragment;
-import android.support.v4.app.FragmentManager;
-import android.support.v4.app.FragmentPagerAdapter;
-import android.support.v4.view.ViewPager;
-import android.support.v7.app.ActionBar;
-import android.support.v7.app.AppCompatActivity;
-import android.support.v7.widget.Toolbar;
-
-import com.stoutner.privacybrowser.fragments.GuideTabFragment;
+import android.preference.PreferenceManager;
+import android.view.WindowManager;
+
+import androidx.appcompat.app.ActionBar;
+import androidx.appcompat.app.AppCompatActivity;
+import androidx.appcompat.widget.Toolbar;
+import androidx.viewpager.widget.ViewPager;
+
+import com.google.android.material.tabs.TabLayout;
+
+import com.stoutner.privacybrowser.adapters.GuidePagerAdapter;
import com.stoutner.privacybrowser.R;
public class GuideActivity extends AppCompatActivity {
@Override
protected void onCreate(Bundle savedInstanceState) {
- super.onCreate(savedInstanceState);
- setContentView(R.layout.guide_coordinatorlayout);
+ // Get a handle for the shared preferences.
+ SharedPreferences sharedPreferences = PreferenceManager.getDefaultSharedPreferences(this);
- // We need to use `SupportActionBar` from `android.support.v7.app.ActionBar` until the minimum API is >= 21.
- Toolbar guideAppBar = (Toolbar) findViewById(R.id.guide_toolbar);
- setSupportActionBar(guideAppBar);
+ // Get the preferences.
+ boolean allowScreenshots = sharedPreferences.getBoolean(getString(R.string.allow_screenshots_key), false);
+ boolean bottomAppBar = sharedPreferences.getBoolean(getString(R.string.bottom_app_bar_key), false);
- // Display the home arrow on `ppBar`.
- final ActionBar appBar = getSupportActionBar();
- assert appBar != null; // This assert removes the incorrect lint warning in Android Studio on the following line that `appBar` might be `null`.
- appBar.setDisplayHomeAsUpEnabled(true);
+ // Disable screenshots if not allowed.
+ if (!allowScreenshots) {
+ getWindow().addFlags(WindowManager.LayoutParams.FLAG_SECURE);
+ }
- // Setup the ViewPager.
- ViewPager aboutViewPager = (ViewPager) findViewById(R.id.guide_viewpager);
- assert aboutViewPager != null; // This assert removes the incorrect warning in Android Studio on the following line that aboutViewPager might be null.
- aboutViewPager.setAdapter(new guidePagerAdapter(getSupportFragmentManager()));
+ // Set the theme.
+ setTheme(R.style.PrivacyBrowser);
- // Setup the TabLayout and connect it to the ViewPager.
- TabLayout aboutTabLayout = (TabLayout) findViewById(R.id.guide_tablayout);
- assert aboutTabLayout != null; // This assert removes the incorrect warning in Android Studio on the following line that aboutTabLayout might be null.
- aboutTabLayout.setupWithViewPager(aboutViewPager);
- }
+ // Run the default commands.
+ super.onCreate(savedInstanceState);
- private class guidePagerAdapter extends FragmentPagerAdapter {
- private guidePagerAdapter(FragmentManager fm) {
- super(fm);
+ // Set the content view.
+ if (bottomAppBar) {
+ setContentView(R.layout.guide_coordinatorlayout_bottom_appbar);
+ } else {
+ setContentView(R.layout.guide_coordinatorlayout_top_appbar);
}
- @Override
- // Get the count of the number of tabs.
- public int getCount() {
- return 7;
- }
+ // Get a handle for the toolbar.
+ Toolbar toolbar = findViewById(R.id.guide_toolbar);
- @Override
- // Get the name of each tab. Tab numbers start at 0.
- public CharSequence getPageTitle(int tab) {
- switch (tab) {
- case 0:
- return getString(R.string.overview);
+ // Set the support action bar.
+ setSupportActionBar(toolbar);
- case 1:
- return getString(R.string.javascript);
+ // Get a handle for the action bar.
+ final ActionBar actionBar = getSupportActionBar();
- case 2:
- return getString(R.string.local_storage);
+ // Remove the incorrect lint warning that the action bar might be null.
+ assert actionBar != null;
- case 3:
- return getString(R.string.user_agent);
+ // Display the home arrow on the action bar.
+ actionBar.setDisplayHomeAsUpEnabled(true);
- case 4:
- return getString(R.string.domain_settings);
+ // Get a handle for the view pager and the tab layout.
+ ViewPager aboutViewPager = findViewById(R.id.guide_viewpager);
+ TabLayout aboutTabLayout = findViewById(R.id.guide_tablayout);
- case 5:
- return getString(R.string.tor);
+ // Remove the incorrect lint warnings that the views might be null
+ assert aboutViewPager != null;
+ assert aboutTabLayout != null;
- case 6:
- return getString(R.string.tracking_ids);
+ // Set the view pager adapter.
+ aboutViewPager.setAdapter(new GuidePagerAdapter(getSupportFragmentManager(), getApplicationContext()));
- default:
- return "";
- }
- }
+ // Keep all the tabs in memory.
+ aboutViewPager.setOffscreenPageLimit(10);
- @Override
- // Setup each tab.
- public Fragment getItem(int tab) {
- return GuideTabFragment.createTab(tab);
- }
+ // Link the tab layout to the view pager.
+ aboutTabLayout.setupWithViewPager(aboutViewPager);
}
-
-}
+}
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