From eb5cc7d7d41c1db8548fdcab52ce04d4d1a1439e Mon Sep 17 00:00:00 2001
From: Alex Ning <chineseperson5@gmail.com>
Date: Wed, 16 Sep 2020 11:23:38 +0800
Subject: Add an option to require authentication before going to account
 section in navigation drawer.

---
 app/build.gradle                                   |   1 +
 .../infinityforreddit/Activity/MainActivity.java   |  12 ++-
 .../NavigationDrawerRecyclerViewAdapter.java       | 102 ++++++++++++++++-----
 .../ChangeRequireAuthToAccountSectionEvent.java    |   9 ++
 .../Settings/SecurityPreferenceFragment.java       |  29 ++++++
 .../Utils/SharedPreferencesUtils.java              |   1 +
 .../main/res/drawable-night/ic_security_24dp.xml   |   9 ++
 app/src/main/res/drawable/ic_security_24dp.xml     |   9 ++
 app/src/main/res/values/arrays.xml                 |  10 --
 app/src/main/res/values/strings.xml                |  20 +++-
 app/src/main/res/xml/main_preferences.xml          |   5 +
 app/src/main/res/xml/security_preferences.xml      |   8 ++
 12 files changed, 177 insertions(+), 38 deletions(-)
 create mode 100644 app/src/main/java/ml/docilealligator/infinityforreddit/Event/ChangeRequireAuthToAccountSectionEvent.java
 create mode 100644 app/src/main/java/ml/docilealligator/infinityforreddit/Settings/SecurityPreferenceFragment.java
 create mode 100644 app/src/main/res/drawable-night/ic_security_24dp.xml
 create mode 100644 app/src/main/res/drawable/ic_security_24dp.xml
 create mode 100644 app/src/main/res/xml/security_preferences.xml

diff --git a/app/build.gradle b/app/build.gradle
index a5656d80..72d855a0 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -95,6 +95,7 @@ dependencies {
     implementation 'me.zhanghai.android.fastscroll:library:1.1.2'
     implementation "com.thefuntasty.hauler:core:3.1.0"
     implementation 'com.github.Piasy:BigImageViewer:1.6.5'
+    implementation 'androidx.biometric:biometric:1.1.0-alpha02'
 
     def toroVersion = '3.7.0.2010003'
     implementation "im.ene.toro3:toro:$toroVersion"
diff --git a/app/src/main/java/ml/docilealligator/infinityforreddit/Activity/MainActivity.java b/app/src/main/java/ml/docilealligator/infinityforreddit/Activity/MainActivity.java
index dea3aaf2..3efc949f 100644
--- a/app/src/main/java/ml/docilealligator/infinityforreddit/Activity/MainActivity.java
+++ b/app/src/main/java/ml/docilealligator/infinityforreddit/Activity/MainActivity.java
@@ -75,6 +75,7 @@ import ml.docilealligator.infinityforreddit.Event.ChangeConfirmToExitEvent;
 import ml.docilealligator.infinityforreddit.Event.ChangeDisableSwipingBetweenTabsEvent;
 import ml.docilealligator.infinityforreddit.Event.ChangeLockBottomAppBarEvent;
 import ml.docilealligator.infinityforreddit.Event.ChangeNSFWEvent;
+import ml.docilealligator.infinityforreddit.Event.ChangeRequireAuthToAccountSectionEvent;
 import ml.docilealligator.infinityforreddit.Event.RecreateActivityEvent;
 import ml.docilealligator.infinityforreddit.Event.SwitchAccountEvent;
 import ml.docilealligator.infinityforreddit.FetchMyInfo;
@@ -468,9 +469,9 @@ public class MainActivity extends BaseActivity implements SortTypeSelectionCallb
             fab.setVisibility(View.VISIBLE);
         }
 
-        boolean nsfwEnabled = mSharedPreferences.getBoolean(SharedPreferencesUtils.NSFW_KEY, false);
-        adapter = new NavigationDrawerRecyclerViewAdapter(this, mCustomThemeWrapper, mAccountName,
-                mProfileImageUrl, mBannerImageUrl, mKarma, nsfwEnabled,
+        adapter = new NavigationDrawerRecyclerViewAdapter(this, mSharedPreferences,
+                mCustomThemeWrapper, mAccountName,
+                mProfileImageUrl, mBannerImageUrl, mKarma,
                 new NavigationDrawerRecyclerViewAdapter.ItemClickListener() {
             @Override
             public void onMenuClick(int stringId) {
@@ -972,6 +973,11 @@ public class MainActivity extends BaseActivity implements SortTypeSelectionCallb
         viewPager2.setUserInputEnabled(!mDisableSwipingBetweenTabs);
     }
 
+    @Subscribe
+    public void onChangeRequireAuthToAccountSectionEvent(ChangeRequireAuthToAccountSectionEvent changeRequireAuthToAccountSectionEvent) {
+        adapter.setRequireAuthToAccountSection(changeRequireAuthToAccountSectionEvent.requireAuthToAccountSection);
+    }
+
     @Override
     public void onLongPress() {
         if (sectionsPagerAdapter != null) {
diff --git a/app/src/main/java/ml/docilealligator/infinityforreddit/Adapter/NavigationDrawerRecyclerViewAdapter.java b/app/src/main/java/ml/docilealligator/infinityforreddit/Adapter/NavigationDrawerRecyclerViewAdapter.java
index 4e2f5b7f..7f6938a4 100644
--- a/app/src/main/java/ml/docilealligator/infinityforreddit/Adapter/NavigationDrawerRecyclerViewAdapter.java
+++ b/app/src/main/java/ml/docilealligator/infinityforreddit/Adapter/NavigationDrawerRecyclerViewAdapter.java
@@ -1,6 +1,6 @@
 package ml.docilealligator.infinityforreddit.Adapter;
 
-import android.content.Context;
+import android.content.SharedPreferences;
 import android.content.res.Configuration;
 import android.content.res.Resources;
 import android.view.LayoutInflater;
@@ -10,6 +10,10 @@ import android.widget.ImageView;
 import android.widget.TextView;
 
 import androidx.annotation.NonNull;
+import androidx.appcompat.app.AppCompatActivity;
+import androidx.biometric.BiometricManager;
+import androidx.biometric.BiometricPrompt;
+import androidx.core.content.ContextCompat;
 import androidx.recyclerview.widget.RecyclerView;
 
 import com.bumptech.glide.Glide;
@@ -18,6 +22,7 @@ import com.bumptech.glide.request.RequestOptions;
 
 import java.util.ArrayList;
 import java.util.List;
+import java.util.concurrent.Executor;
 
 import butterknife.BindView;
 import butterknife.ButterKnife;
@@ -26,8 +31,12 @@ import ml.docilealligator.infinityforreddit.Account.Account;
 import ml.docilealligator.infinityforreddit.CustomTheme.CustomThemeWrapper;
 import ml.docilealligator.infinityforreddit.R;
 import ml.docilealligator.infinityforreddit.SubscribedSubreddit.SubscribedSubredditData;
+import ml.docilealligator.infinityforreddit.Utils.SharedPreferencesUtils;
 import pl.droidsonroids.gif.GifImageView;
 
+import static androidx.biometric.BiometricManager.Authenticators.BIOMETRIC_STRONG;
+import static androidx.biometric.BiometricManager.Authenticators.DEVICE_CREDENTIAL;
+
 public class NavigationDrawerRecyclerViewAdapter extends RecyclerView.Adapter<RecyclerView.ViewHolder> {
 
     public interface ItemClickListener {
@@ -44,7 +53,7 @@ public class NavigationDrawerRecyclerViewAdapter extends RecyclerView.Adapter<Re
     private static final int VIEW_TYPE_ACCOUNT = 5;
     private static final int CURRENT_MENU_ITEMS = 17;
 
-    private Context context;
+    private AppCompatActivity appCompatActivity;
     private Resources resources;
     private RequestManager glide;
     private String accountName;
@@ -52,6 +61,7 @@ public class NavigationDrawerRecyclerViewAdapter extends RecyclerView.Adapter<Re
     private String userBannerUrl;
     private int karma;
     private boolean isNSFWEnabled;
+    private boolean requireAuthToAccountSection;
     private ItemClickListener itemClickListener;
     private boolean isLoggedIn;
     private boolean isInMainPage = true;
@@ -62,18 +72,20 @@ public class NavigationDrawerRecyclerViewAdapter extends RecyclerView.Adapter<Re
     private int dividerColor;
     private int primaryIconColor;
 
-    public NavigationDrawerRecyclerViewAdapter(Context context, CustomThemeWrapper customThemeWrapper,
+    public NavigationDrawerRecyclerViewAdapter(AppCompatActivity appCompatActivity, SharedPreferences sharedPreferences,
+                                               CustomThemeWrapper customThemeWrapper,
                                                String accountName, String userIconUrl,
-                                               String userBannerUrl, int karma, boolean isNSFWEnabled,
+                                               String userBannerUrl, int karma,
                                                ItemClickListener itemClickListener) {
-        this.context = context;
-        resources = context.getResources();
-        glide = Glide.with(context);
+        this.appCompatActivity = appCompatActivity;
+        resources = appCompatActivity.getResources();
+        glide = Glide.with(appCompatActivity);
         this.accountName = accountName;
         this.userIconUrl = userIconUrl;
         this.userBannerUrl = userBannerUrl;
         this.karma = karma;
-        this.isNSFWEnabled = isNSFWEnabled;
+        isNSFWEnabled = sharedPreferences.getBoolean(SharedPreferencesUtils.NSFW_KEY, false);
+        requireAuthToAccountSection = sharedPreferences.getBoolean(SharedPreferencesUtils.REQUIRE_AUTHENTICATION_TO_GO_TO_ACCOUNT_SECTION_IN_NAVIGATION_DRAWER, false);
         isLoggedIn = accountName != null;
         this.itemClickListener = itemClickListener;
         primaryTextColor = customThemeWrapper.getPrimaryTextColor();
@@ -149,7 +161,7 @@ public class NavigationDrawerRecyclerViewAdapter extends RecyclerView.Adapter<Re
     public void onBindViewHolder(@NonNull RecyclerView.ViewHolder holder, int position) {
         if (holder instanceof NavHeaderViewHolder) {
             if (isLoggedIn) {
-                ((NavHeaderViewHolder) holder).karmaTextView.setText(context.getString(R.string.karma_info, karma));
+                ((NavHeaderViewHolder) holder).karmaTextView.setText(appCompatActivity.getString(R.string.karma_info, karma));
                 ((NavHeaderViewHolder) holder).accountNameTextView.setText(accountName);
                 if (userIconUrl != null && !userIconUrl.equals("")) {
                     glide.load(userIconUrl)
@@ -182,18 +194,43 @@ public class NavigationDrawerRecyclerViewAdapter extends RecyclerView.Adapter<Re
 
             ((NavHeaderViewHolder) holder).itemView.setOnClickListener(view -> {
                 if (isInMainPage) {
-                    ((NavHeaderViewHolder) holder).dropIconImageView.setImageDrawable(resources.getDrawable(R.drawable.ic_baseline_arrow_drop_up_24px));
-                    notifyItemRangeRemoved(1, getItemCount() - 1);
-                    if (accounts != null) {
-                        notifyItemRangeInserted(1, accounts.size() + 3);
-                    } else {
-                        if (isLoggedIn) {
-                            notifyItemRangeInserted(1, 3);
+                    if (requireAuthToAccountSection) {
+                        BiometricManager biometricManager = BiometricManager.from(appCompatActivity);
+                        if (biometricManager.canAuthenticate(BIOMETRIC_STRONG | DEVICE_CREDENTIAL) == BiometricManager.BIOMETRIC_SUCCESS) {
+                            Executor executor = ContextCompat.getMainExecutor(appCompatActivity);
+                            BiometricPrompt biometricPrompt = new BiometricPrompt(appCompatActivity,
+                                    executor, new BiometricPrompt.AuthenticationCallback() {
+                                @Override
+                                public void onAuthenticationError(int errorCode,
+                                                                  @NonNull CharSequence errString) {
+                                    super.onAuthenticationError(errorCode, errString);
+                                }
+
+                                @Override
+                                public void onAuthenticationSucceeded(
+                                        @NonNull BiometricPrompt.AuthenticationResult result) {
+                                    super.onAuthenticationSucceeded(result);
+                                    openAccountSection(((NavHeaderViewHolder) holder).dropIconImageView);
+                                }
+
+                                @Override
+                                public void onAuthenticationFailed() {
+                                    super.onAuthenticationFailed();
+                                }
+                            });
+
+                            BiometricPrompt.PromptInfo promptInfo = new BiometricPrompt.PromptInfo.Builder()
+                                    .setTitle(appCompatActivity.getString(R.string.unlock_account_section))
+                                    .setAllowedAuthenticators(BIOMETRIC_STRONG | DEVICE_CREDENTIAL)
+                                    .build();
+
+                            biometricPrompt.authenticate(promptInfo);
                         } else {
-                            notifyItemInserted(1);
+                            openAccountSection(((NavHeaderViewHolder) holder).dropIconImageView);
                         }
+                    } else {
+                        openAccountSection(((NavHeaderViewHolder) holder).dropIconImageView);
                     }
-                    isInMainPage = false;
                 } else {
                     ((NavHeaderViewHolder) holder).dropIconImageView.setImageDrawable(resources.getDrawable(R.drawable.ic_baseline_arrow_drop_down_24px));
                     notifyItemRangeRemoved(1, getItemCount() - 1);
@@ -284,12 +321,12 @@ public class NavigationDrawerRecyclerViewAdapter extends RecyclerView.Adapter<Re
                                 if (isNSFWEnabled) {
                                     isNSFWEnabled = false;
                                     ((MenuItemViewHolder) holder).menuTextView.setText(R.string.enable_nsfw);
-                                    ((MenuItemViewHolder) holder).imageView.setImageDrawable(context.getDrawable(R.drawable.ic_nsfw_on_24dp));
+                                    ((MenuItemViewHolder) holder).imageView.setImageDrawable(appCompatActivity.getDrawable(R.drawable.ic_nsfw_on_24dp));
                                     itemClickListener.onMenuClick(R.string.disable_nsfw);
                                 } else {
                                     isNSFWEnabled = true;
                                     ((MenuItemViewHolder) holder).menuTextView.setText(R.string.disable_nsfw);
-                                    ((MenuItemViewHolder) holder).imageView.setImageDrawable(context.getDrawable(R.drawable.ic_nsfw_off_24dp));
+                                    ((MenuItemViewHolder) holder).imageView.setImageDrawable(appCompatActivity.getDrawable(R.drawable.ic_nsfw_off_24dp));
                                     itemClickListener.onMenuClick(R.string.enable_nsfw);
                                 }
                             });
@@ -323,12 +360,12 @@ public class NavigationDrawerRecyclerViewAdapter extends RecyclerView.Adapter<Re
                                 if (isNSFWEnabled) {
                                     isNSFWEnabled = false;
                                     ((MenuItemViewHolder) holder).menuTextView.setText(R.string.enable_nsfw);
-                                    ((MenuItemViewHolder) holder).imageView.setImageDrawable(context.getDrawable(R.drawable.ic_nsfw_on_24dp));
+                                    ((MenuItemViewHolder) holder).imageView.setImageDrawable(appCompatActivity.getDrawable(R.drawable.ic_nsfw_on_24dp));
                                     itemClickListener.onMenuClick(R.string.disable_nsfw);
                                 } else {
                                     isNSFWEnabled = true;
                                     ((MenuItemViewHolder) holder).menuTextView.setText(R.string.disable_nsfw);
-                                    ((MenuItemViewHolder) holder).imageView.setImageDrawable(context.getDrawable(R.drawable.ic_nsfw_off_24dp));
+                                    ((MenuItemViewHolder) holder).imageView.setImageDrawable(appCompatActivity.getDrawable(R.drawable.ic_nsfw_off_24dp));
                                     itemClickListener.onMenuClick(R.string.enable_nsfw);
                                 }
                             });
@@ -359,7 +396,7 @@ public class NavigationDrawerRecyclerViewAdapter extends RecyclerView.Adapter<Re
 
             if (stringId != 0) {
                 ((MenuItemViewHolder) holder).menuTextView.setText(stringId);
-                ((MenuItemViewHolder) holder).imageView.setImageDrawable(context.getDrawable(drawableId));
+                ((MenuItemViewHolder) holder).imageView.setImageDrawable(appCompatActivity.getDrawable(drawableId));
                 if (setOnClickListener) {
                     int finalStringId = stringId;
                     ((MenuItemViewHolder) holder).itemView.setOnClickListener(view -> itemClickListener.onMenuClick(finalStringId));
@@ -396,6 +433,21 @@ public class NavigationDrawerRecyclerViewAdapter extends RecyclerView.Adapter<Re
         }
     }
 
+    private void openAccountSection(ImageView dropIconImageView) {
+        dropIconImageView.setImageDrawable(resources.getDrawable(R.drawable.ic_baseline_arrow_drop_up_24px));
+        notifyItemRangeRemoved(1, getItemCount() - 1);
+        if (accounts != null) {
+            notifyItemRangeInserted(1, accounts.size() + 3);
+        } else {
+            if (isLoggedIn) {
+                notifyItemRangeInserted(1, 3);
+            } else {
+                notifyItemInserted(1);
+            }
+        }
+        isInMainPage = false;
+    }
+
     @Override
     public int getItemCount() {
         if (isInMainPage) {
@@ -457,6 +509,10 @@ public class NavigationDrawerRecyclerViewAdapter extends RecyclerView.Adapter<Re
         }
     }
 
+    public void setRequireAuthToAccountSection(boolean requireAuthToAccountSection) {
+        this.requireAuthToAccountSection = requireAuthToAccountSection;
+    }
+
     class NavHeaderViewHolder extends RecyclerView.ViewHolder {
         @BindView(R.id.name_text_view_nav_header_main)
         TextView accountNameTextView;
diff --git a/app/src/main/java/ml/docilealligator/infinityforreddit/Event/ChangeRequireAuthToAccountSectionEvent.java b/app/src/main/java/ml/docilealligator/infinityforreddit/Event/ChangeRequireAuthToAccountSectionEvent.java
new file mode 100644
index 00000000..d8455db5
--- /dev/null
+++ b/app/src/main/java/ml/docilealligator/infinityforreddit/Event/ChangeRequireAuthToAccountSectionEvent.java
@@ -0,0 +1,9 @@
+package ml.docilealligator.infinityforreddit.Event;
+
+public class ChangeRequireAuthToAccountSectionEvent {
+    public boolean requireAuthToAccountSection;
+
+    public ChangeRequireAuthToAccountSectionEvent(boolean requireAuthToAccountSection) {
+        this.requireAuthToAccountSection = requireAuthToAccountSection;
+    }
+}
diff --git a/app/src/main/java/ml/docilealligator/infinityforreddit/Settings/SecurityPreferenceFragment.java b/app/src/main/java/ml/docilealligator/infinityforreddit/Settings/SecurityPreferenceFragment.java
new file mode 100644
index 00000000..882fe17d
--- /dev/null
+++ b/app/src/main/java/ml/docilealligator/infinityforreddit/Settings/SecurityPreferenceFragment.java
@@ -0,0 +1,29 @@
+package ml.docilealligator.infinityforreddit.Settings;
+
+import android.os.Bundle;
+
+import androidx.preference.PreferenceFragmentCompat;
+import androidx.preference.SwitchPreference;
+
+import org.greenrobot.eventbus.EventBus;
+
+import ml.docilealligator.infinityforreddit.Event.ChangeRequireAuthToAccountSectionEvent;
+import ml.docilealligator.infinityforreddit.R;
+import ml.docilealligator.infinityforreddit.Utils.SharedPreferencesUtils;
+
+public class SecurityPreferenceFragment extends PreferenceFragmentCompat {
+
+    @Override
+    public void onCreatePreferences(Bundle savedInstanceState, String rootKey) {
+        setPreferencesFromResource(R.xml.security_preferences, rootKey);
+
+        SwitchPreference requireAuthToAccountSectionSwitch = findPreference(SharedPreferencesUtils.REQUIRE_AUTHENTICATION_TO_GO_TO_ACCOUNT_SECTION_IN_NAVIGATION_DRAWER);
+
+        if (requireAuthToAccountSectionSwitch != null) {
+            requireAuthToAccountSectionSwitch.setOnPreferenceChangeListener((preference, newValue) -> {
+                EventBus.getDefault().post(new ChangeRequireAuthToAccountSectionEvent((Boolean) newValue));
+                return true;
+            });
+        }
+    }
+}
\ No newline at end of file
diff --git a/app/src/main/java/ml/docilealligator/infinityforreddit/Utils/SharedPreferencesUtils.java b/app/src/main/java/ml/docilealligator/infinityforreddit/Utils/SharedPreferencesUtils.java
index acf7566d..8381319b 100644
--- a/app/src/main/java/ml/docilealligator/infinityforreddit/Utils/SharedPreferencesUtils.java
+++ b/app/src/main/java/ml/docilealligator/infinityforreddit/Utils/SharedPreferencesUtils.java
@@ -123,6 +123,7 @@ public class SharedPreferencesUtils {
     public static final String DISABLE_SWIPING_BETWEEN_TABS = "disable_swiping_between_tabs";
     public static final String ENABLE_SWIPE_ACTION = "enable_swipe_action";
     public static final String PULL_TO_REFRESH = "pull_to_refresh";
+    public static final String REQUIRE_AUTHENTICATION_TO_GO_TO_ACCOUNT_SECTION_IN_NAVIGATION_DRAWER = "require_auth_to_account_section";
 
     public static final String MAIN_PAGE_TABS_SHARED_PREFERENCES_FILE = "ml.docilealligator.infinityforreddit.main_page_tabs";
     public static final String MAIN_PAGE_TAB_1_TITLE = "_main_page_tab_1_title";
diff --git a/app/src/main/res/drawable-night/ic_security_24dp.xml b/app/src/main/res/drawable-night/ic_security_24dp.xml
new file mode 100644
index 00000000..3e21f473
--- /dev/null
+++ b/app/src/main/res/drawable-night/ic_security_24dp.xml
@@ -0,0 +1,9 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="24dp"
+    android:height="24dp"
+    android:viewportWidth="24"
+    android:viewportHeight="24">
+  <path
+      android:pathData="M12,1L3,5v6c0,5.55 3.84,10.74 9,12 5.16,-1.26 9,-6.45 9,-12L21,5l-9,-4zM12,11.99h7c-0.53,4.12 -3.28,7.79 -7,8.94L12,12L5,12L5,6.3l7,-3.11v8.8z"
+      android:fillColor="#FFFFFF"/>
+</vector>
diff --git a/app/src/main/res/drawable/ic_security_24dp.xml b/app/src/main/res/drawable/ic_security_24dp.xml
new file mode 100644
index 00000000..be9737bd
--- /dev/null
+++ b/app/src/main/res/drawable/ic_security_24dp.xml
@@ -0,0 +1,9 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="24dp"
+    android:height="24dp"
+    android:viewportWidth="24"
+    android:viewportHeight="24">
+  <path
+      android:pathData="M12,1L3,5v6c0,5.55 3.84,10.74 9,12 5.16,-1.26 9,-6.45 9,-12L21,5l-9,-4zM12,11.99h7c-0.53,4.12 -3.28,7.79 -7,8.94L12,12L5,12L5,6.3l7,-3.11v8.8z"
+      android:fillColor="#000000"/>
+</vector>
diff --git a/app/src/main/res/values/arrays.xml b/app/src/main/res/values/arrays.xml
index 94df20c9..695ddfeb 100644
--- a/app/src/main/res/values/arrays.xml
+++ b/app/src/main/res/values/arrays.xml
@@ -233,14 +233,4 @@
         <item>1</item>
         <item>2</item>
     </string-array>
-    <!-- Reply Preference -->
-    <string-array name="reply_entries">
-        <item>Reply</item>
-        <item>Reply to all</item>
-    </string-array>
-
-    <string-array name="reply_values">
-        <item>reply</item>
-        <item>reply_all</item>
-    </string-array>
 </resources>
\ No newline at end of file
diff --git a/app/src/main/res/values/strings.xml b/app/src/main/res/values/strings.xml
index 3e70c54d..39a228ff 100644
--- a/app/src/main/res/values/strings.xml
+++ b/app/src/main/res/values/strings.xml
@@ -483,6 +483,8 @@
     <string name="settings_disable_swiping_between_tabs_title">Disable Swiping Between Tabs</string>
     <string name="settings_enable_swipe_action_title">Enable Swipe Action</string>
     <string name="settings_pull_to_refresh_title">Pull to Refresh</string>
+    <string name="settings_security_title">Security</string>
+    <string name="settings_require_authentication_to_go_to_account_section_in_navigation_drawer">Require Authentication to Go to Account Section in Navigation Drawer</string>
 
     <string name="no_link_available">Cannot get the link</string>
 
@@ -882,7 +884,21 @@
     <string name="block_user_failed">Failed to block user</string>
 
     <string name="view_full_comment_markdown">View Full Markdown</string>
-    <!-- TODO: Remove or change this placeholder text -->
-    <string name="hello_blank_fragment">Hello blank fragment</string>
+
+    <string name="unlock_account_section">Unlock Account Section</string>
+    <!-- Preference Titles -->
+    <string name="messages_header">Messages</string>
+    <string name="sync_header">Sync</string>
+
+    <!-- Messages Preferences -->
+    <string name="signature_title">Your signature</string>
+    <string name="reply_title">Default reply action</string>
+
+    <!-- Sync Preferences -->
+    <string name="sync_title">Sync email periodically</string>
+    <string name="attachment_title">Download incoming attachments</string>
+    <string name="attachment_summary_on">Automatically download attachments for incoming emails
+    </string>
+    <string name="attachment_summary_off">Only download attachments when manually requested</string>
 
 </resources>
diff --git a/app/src/main/res/xml/main_preferences.xml b/app/src/main/res/xml/main_preferences.xml
index ce6ff184..48bf5697 100644
--- a/app/src/main/res/xml/main_preferences.xml
+++ b/app/src/main/res/xml/main_preferences.xml
@@ -41,6 +41,11 @@
         android:icon="@drawable/ic_download_24dp"
         app:fragment="ml.docilealligator.infinityforreddit.Settings.DownloadLocationPreferenceFragment" />
 
+    <Preference
+        app:title="@string/settings_security_title"
+        android:icon="@drawable/ic_security_24dp"
+        app:fragment="ml.docilealligator.infinityforreddit.Settings.SecurityPreferenceFragment" />
+
     <SwitchPreference
         app:defaultValue="false"
         app:key="save_front_page_scrolled_position"
diff --git a/app/src/main/res/xml/security_preferences.xml b/app/src/main/res/xml/security_preferences.xml
new file mode 100644
index 00000000..a7174faf
--- /dev/null
+++ b/app/src/main/res/xml/security_preferences.xml
@@ -0,0 +1,8 @@
+<PreferenceScreen xmlns:app="http://schemas.android.com/apk/res-auto">
+
+    <SwitchPreference
+        app:defaultValue="false"
+        app:key="require_auth_to_account_section"
+        app:title="@string/settings_require_authentication_to_go_to_account_section_in_navigation_drawer" />
+
+</PreferenceScreen>
\ No newline at end of file
-- 
cgit v1.2.3