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[PrivacyBrowserAndroid.git] / app / src / main / java / com / stoutner / privacybrowser / activities / GuideActivity.java

diff --git a/app/src/main/java/com/stoutner/privacybrowser/activities/GuideActivity.java b/app/src/main/java/com/stoutner/privacybrowser/activities/GuideActivity.java
index 0f73f06556bd0bcfb3d185fa1e0c546f0281d70b..54c87a87eaa26a6638d2201c73b29d2bf04d7b1c 100644 (file)
--- a/app/src/main/java/com/stoutner/privacybrowser/activities/GuideActivity.java
+++ b/app/src/main/java/com/stoutner/privacybrowser/activities/GuideActivity.java
@@ -1,5 +1,5 @@
 /*
- * Copyright © 2016-2019 Soren Stoutner <soren@stoutner.com>.
+ * Copyright © 2016-2020 Soren Stoutner <soren@stoutner.com>.
  *
  * This file is part of Privacy Browser <https://www.stoutner.com/privacy-browser>.
  *
@@ -19,36 +19,37 @@
 
 package com.stoutner.privacybrowser.activities;
 
+import android.content.SharedPreferences;
 import android.os.Bundle;
+import android.preference.PreferenceManager;
 import android.view.WindowManager;
 
 import androidx.appcompat.app.ActionBar;
 import androidx.appcompat.app.AppCompatActivity;
-import androidx.appcompat.widget.Toolbar;  // The AndroidX toolbar must be used until the minimum API is >= 21.
-import androidx.fragment.app.Fragment;
-import androidx.fragment.app.FragmentManager;
-import androidx.fragment.app.FragmentPagerAdapter;
+import androidx.appcompat.widget.Toolbar;
 import androidx.viewpager.widget.ViewPager;
 
 import com.google.android.material.tabs.TabLayout;
 
-import com.stoutner.privacybrowser.fragments.GuideTabFragment;
+import com.stoutner.privacybrowser.adapters.GuidePagerAdapter;
 import com.stoutner.privacybrowser.R;
 
 public class GuideActivity extends AppCompatActivity {
     @Override
     protected void onCreate(Bundle savedInstanceState) {
+        // Get a handle for the shared preferences.
+        SharedPreferences sharedPreferences = PreferenceManager.getDefaultSharedPreferences(this);
+
+        // Get the screenshot preference.
+        boolean allowScreenshots = sharedPreferences.getBoolean("allow_screenshots", false);
+
         // Disable screenshots if not allowed.
-        if (!MainWebViewActivity.allowScreenshots) {
+        if (!allowScreenshots) {
             getWindow().addFlags(WindowManager.LayoutParams.FLAG_SECURE);
         }
 
         // Set the theme.
-        if (MainWebViewActivity.darkTheme) {
-            setTheme(R.style.PrivacyBrowserDark_SecondaryActivity);
-        } else {
-            setTheme(R.style.PrivacyBrowserLight_SecondaryActivity);
-        }
+        setTheme(R.style.PrivacyBrowser);
 
         // Run the default commands.
         super.onCreate(savedInstanceState);
@@ -69,72 +70,21 @@ public class GuideActivity extends AppCompatActivity {
         // Display the home arrow on the action bar.
         actionBar.setDisplayHomeAsUpEnabled(true);
 
-        //  Setup the ViewPager.
+        //  Get a handle for the view pager and the tab layout.
         ViewPager aboutViewPager = 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()));
-
-        // Setup the TabLayout and connect it to the ViewPager.
         TabLayout aboutTabLayout = 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);
-    }
-
-    private class guidePagerAdapter extends FragmentPagerAdapter {
-        private guidePagerAdapter(FragmentManager fragmentManager) {
-            // Run the default commands.
-            super(fragmentManager);
-        }
-
-        @Override
-        // Get the count of the number of tabs.
-        public int getCount() {
-            return 10;
-        }
-
-        @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);
 
-                case 1:
-                    return getString(R.string.javascript);
+        // Remove the incorrect lint warnings that the views might be null
+        assert aboutViewPager != null;
+        assert aboutTabLayout != null;
 
-                case 2:
-                    return getString(R.string.local_storage);
+        // Set the view pager adapter.
+        aboutViewPager.setAdapter(new GuidePagerAdapter(getSupportFragmentManager(), getApplicationContext()));
 
-                case 3:
-                    return getString(R.string.user_agent);
+        // Keep all the tabs in memory.
+        aboutViewPager.setOffscreenPageLimit(10);
 
-                case 4:
-                    return getString(R.string.requests);
-
-                case 5:
-                    return getString(R.string.domain_settings);
-
-                case 6:
-                    return getString(R.string.ssl_certificates);
-
-                case 7:
-                    return getString(R.string.tor);
-
-                case 8:
-                    return getString(R.string.tracking_ids);
-
-                case 9:
-                    return getString(R.string.bookmarks);
-
-                default:
-                    return "";
-            }
-        }
-
-        @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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