feat: up targetSDK, gradle, bump min Android version, refactoring

README.md

@@ -11,7 +11,7 @@ A mobile app for [thmmy.gr](https://www.thmmy.gr).
 
 ## Requirements
 
-mTHMMY can be installed on any smartphone with Android 5.0 Lollipop or newer.
+mTHMMY can be installed on any smartphone with Android 6.0 (M) or newer.
 
 ## Download
 

app/build.gradle

@@ -7,13 +7,12 @@ apply plugin: 'com.google.gms.google-services'
 apply plugin: 'com.google.firebase.crashlytics'
 
 android {
-    compileSdkVersion 31
+    compileSdkVersion 33
-    buildToolsVersion = '30.0.2'
 
     defaultConfig {
         applicationId "gr.thmmy.mthmmy"
-        minSdkVersion 21
+        minSdkVersion 23
-        targetSdkVersion 30
+        targetSdkVersion 33
         versionCode 31
         versionName "2.1.0"
         archivesBaseName = "mTHMMY-v$versionName"
@@ -45,6 +44,8 @@ android {
         sourceCompatibility JavaVersion.VERSION_1_8
         targetCompatibility JavaVersion.VERSION_1_8
     }
+
+    namespace 'gr.thmmy.mthmmy'
 }
 
 def firebaseReleaseProjectId = "mthmmy-release-3aef0"
@@ -92,7 +93,7 @@ dependencies {
     implementation 'com.google.firebase:firebase-crashlytics'
     implementation 'com.google.firebase:firebase-messaging'
     implementation 'com.google.code.gson:gson:2.8.8'
-    implementation 'com.snatik:storage:2.1.0'
+    implementation 'com.snatik:storage:2.1.0'   //TODO: Replace (e.g. with https://github.com/anggrayudi/SimpleStorage)
     implementation 'com.squareup.okhttp3:okhttp:3.14.9'
     implementation 'org.jsoup:jsoup:1.14.2'
     implementation 'joda-time:joda-time:2.10.10'

app/gradle/grgit.gradle

@@ -2,11 +2,11 @@ import org.ajoberstar.grgit.Grgit
 
 buildscript {
     repositories {
-        jcenter()
+        mavenCentral()
     }
 
     dependencies {
-        classpath 'org.ajoberstar.grgit:grgit-core:3.1.1'
+        classpath 'org.ajoberstar.grgit:grgit-core:5.0.0'
     }
 }
 

app/src/main/AndroidManifest.xml

@@ -1,11 +1,11 @@
 <?xml version="1.0" encoding="utf-8"?>
 <manifest xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:tools="http://schemas.android.com/tools"
-    package="gr.thmmy.mthmmy"
     android:installLocation="auto">
 
     <uses-permission android:name="android.permission.INTERNET" />
     <uses-permission android:name="android.permission.ACCESS_NETWORK_STATE" />
+    <uses-permission android:name="android.permission.POST_NOTIFICATIONS" />
     <uses-permission android:name="android.permission.READ_EXTERNAL_STORAGE" />
     <uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" />
     <uses-permission android:name="android.permission.WAKE_LOCK" />

app/src/main/java/gr/thmmy/mthmmy/activities/LoginActivity.java

@@ -1,5 +1,13 @@
 package gr.thmmy.mthmmy.activities;
 
+import static gr.thmmy.mthmmy.session.SessionManager.BANNED_USER;
+import static gr.thmmy.mthmmy.session.SessionManager.CONNECTION_ERROR;
+import static gr.thmmy.mthmmy.session.SessionManager.EXCEPTION;
+import static gr.thmmy.mthmmy.session.SessionManager.FAILURE;
+import static gr.thmmy.mthmmy.session.SessionManager.SUCCESS;
+import static gr.thmmy.mthmmy.session.SessionManager.WRONG_PASSWORD;
+import static gr.thmmy.mthmmy.session.SessionManager.WRONG_USER;
+
 import android.content.Intent;
 import android.os.AsyncTask;
 import android.os.Bundle;
@@ -22,14 +30,6 @@ import gr.thmmy.mthmmy.activities.main.MainActivity;
 import gr.thmmy.mthmmy.base.BaseActivity;
 import gr.thmmy.mthmmy.base.BaseApplication;
 
-import static gr.thmmy.mthmmy.session.SessionManager.BANNED_USER;
-import static gr.thmmy.mthmmy.session.SessionManager.CONNECTION_ERROR;
-import static gr.thmmy.mthmmy.session.SessionManager.EXCEPTION;
-import static gr.thmmy.mthmmy.session.SessionManager.FAILURE;
-import static gr.thmmy.mthmmy.session.SessionManager.SUCCESS;
-import static gr.thmmy.mthmmy.session.SessionManager.WRONG_PASSWORD;
-import static gr.thmmy.mthmmy.session.SessionManager.WRONG_USER;
-
 public class LoginActivity extends BaseActivity {
 
     //-----------------------------------------CLASS VARIABLES------------------------------------------

app/src/main/java/gr/thmmy/mthmmy/activities/board/BoardAdapter.java

@@ -1,5 +1,10 @@
 package gr.thmmy.mthmmy.activities.board;
 
+import static gr.thmmy.mthmmy.activities.board.BoardActivity.BUNDLE_BOARD_TITLE;
+import static gr.thmmy.mthmmy.activities.board.BoardActivity.BUNDLE_BOARD_URL;
+import static gr.thmmy.mthmmy.activities.topic.TopicActivity.BUNDLE_TOPIC_TITLE;
+import static gr.thmmy.mthmmy.activities.topic.TopicActivity.BUNDLE_TOPIC_URL;
+
 import android.content.Context;
 import android.content.Intent;
 import android.graphics.Typeface;
@@ -22,11 +27,6 @@ import gr.thmmy.mthmmy.model.Board;
 import gr.thmmy.mthmmy.model.Topic;
 import me.zhanghai.android.materialprogressbar.MaterialProgressBar;
 
-import static gr.thmmy.mthmmy.activities.board.BoardActivity.BUNDLE_BOARD_TITLE;
-import static gr.thmmy.mthmmy.activities.board.BoardActivity.BUNDLE_BOARD_URL;
-import static gr.thmmy.mthmmy.activities.topic.TopicActivity.BUNDLE_TOPIC_TITLE;
-import static gr.thmmy.mthmmy.activities.topic.TopicActivity.BUNDLE_TOPIC_URL;
-
 /**
  * {@link RecyclerView.Adapter} that can display a {@link gr.thmmy.mthmmy.model.Board}.
  */

app/src/main/java/gr/thmmy/mthmmy/activities/bookmarks/BookmarksActivity.java

@@ -1,5 +1,10 @@
 package gr.thmmy.mthmmy.activities.bookmarks;
 
+import static gr.thmmy.mthmmy.activities.board.BoardActivity.BUNDLE_BOARD_TITLE;
+import static gr.thmmy.mthmmy.activities.board.BoardActivity.BUNDLE_BOARD_URL;
+import static gr.thmmy.mthmmy.activities.topic.TopicActivity.BUNDLE_TOPIC_TITLE;
+import static gr.thmmy.mthmmy.activities.topic.TopicActivity.BUNDLE_TOPIC_URL;
+
 import android.content.Intent;
 import android.os.Bundle;
 import android.widget.Toast;
@@ -23,11 +28,6 @@ import gr.thmmy.mthmmy.base.BaseActivity;
 import gr.thmmy.mthmmy.base.BaseApplication;
 import gr.thmmy.mthmmy.model.Bookmark;
 
-import static gr.thmmy.mthmmy.activities.board.BoardActivity.BUNDLE_BOARD_TITLE;
-import static gr.thmmy.mthmmy.activities.board.BoardActivity.BUNDLE_BOARD_URL;
-import static gr.thmmy.mthmmy.activities.topic.TopicActivity.BUNDLE_TOPIC_TITLE;
-import static gr.thmmy.mthmmy.activities.topic.TopicActivity.BUNDLE_TOPIC_URL;
-
 public class BookmarksActivity extends BaseActivity {
     private static final String TOPIC_URL = forumUrl + "index.php?topic=";
     private static final String BOARD_URL = forumUrl + "index.php?board=";

app/src/main/java/gr/thmmy/mthmmy/activities/create_content/NewTopicTask.java

@@ -1,5 +1,7 @@
 package gr.thmmy.mthmmy.activities.create_content;
 
+import static gr.thmmy.mthmmy.activities.topic.Posting.replyStatus;
+
 import android.os.AsyncTask;
 
 import org.jsoup.Jsoup;
@@ -15,8 +17,6 @@ import okhttp3.RequestBody;
 import okhttp3.Response;
 import timber.log.Timber;
 
-import static gr.thmmy.mthmmy.activities.topic.Posting.replyStatus;
-
 public class NewTopicTask extends AsyncTask<String, Void, Boolean> {
 
     private NewTopicTaskCallbacks listener;

app/src/main/java/gr/thmmy/mthmmy/activities/downloads/DownloadsActivity.java

@@ -1,5 +1,7 @@
 package gr.thmmy.mthmmy.activities.downloads;
 
+import static gr.thmmy.mthmmy.activities.upload.UploadActivity.BUNDLE_UPLOAD_CATEGORY;
+
 import android.content.Intent;
 import android.net.Uri;
 import android.os.AsyncTask;
@@ -37,8 +39,6 @@ import okhttp3.Request;
 import okhttp3.Response;
 import timber.log.Timber;
 
-import static gr.thmmy.mthmmy.activities.upload.UploadActivity.BUNDLE_UPLOAD_CATEGORY;
-
 public class DownloadsActivity extends BaseActivity implements DownloadsAdapter.OnLoadMoreListener {
     /**
      * The key to use when putting download's url String to {@link DownloadsActivity}'s Bundle.

app/src/main/java/gr/thmmy/mthmmy/activities/downloads/DownloadsAdapter.java

@@ -1,9 +1,12 @@
 package gr.thmmy.mthmmy.activities.downloads;
 
+import static android.content.Intent.FLAG_ACTIVITY_NEW_TASK;
+import static gr.thmmy.mthmmy.activities.downloads.DownloadsActivity.BUNDLE_DOWNLOADS_TITLE;
+import static gr.thmmy.mthmmy.activities.downloads.DownloadsActivity.BUNDLE_DOWNLOADS_URL;
+
 import android.content.Context;
 import android.content.Intent;
 import android.graphics.Typeface;
-import android.os.Build;
 import android.os.Bundle;
 import android.view.LayoutInflater;
 import android.view.View;
@@ -25,10 +28,6 @@ import gr.thmmy.mthmmy.model.Download;
 import gr.thmmy.mthmmy.model.ThmmyFile;
 import me.zhanghai.android.materialprogressbar.MaterialProgressBar;
 
-import static android.content.Intent.FLAG_ACTIVITY_NEW_TASK;
-import static gr.thmmy.mthmmy.activities.downloads.DownloadsActivity.BUNDLE_DOWNLOADS_TITLE;
-import static gr.thmmy.mthmmy.activities.downloads.DownloadsActivity.BUNDLE_DOWNLOADS_URL;
-
 class DownloadsAdapter extends RecyclerView.Adapter<RecyclerView.ViewHolder> {
     private final int VIEW_TYPE_DOWNLOAD = 0;
     private final int VIEW_TYPE_LOADING = 1;
@@ -132,13 +131,7 @@ class DownloadsAdapter extends RecyclerView.Adapter<RecyclerView.ViewHolder> {
                     }
                 });
 
-                if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
                 downloadViewHolder.upperLinear.setBackgroundColor(context.getResources().getColor(R.color.background, null));
-                }
-                else {
-                    //noinspection deprecation
-                    downloadViewHolder.upperLinear.setBackgroundColor(context.getResources().getColor(R.color.background));
-                }
                 downloadViewHolder.informationExpandable.setVisibility(View.VISIBLE);
                 downloadViewHolder.informationExpandableBtn.setVisibility(View.GONE);
                 downloadViewHolder.informationExpandableBtn.setEnabled(false);

app/src/main/java/gr/thmmy/mthmmy/activities/main/MainActivity.java

@@ -1,5 +1,15 @@
 package gr.thmmy.mthmmy.activities.main;
 
+import static gr.thmmy.mthmmy.activities.board.BoardActivity.BUNDLE_BOARD_TITLE;
+import static gr.thmmy.mthmmy.activities.board.BoardActivity.BUNDLE_BOARD_URL;
+import static gr.thmmy.mthmmy.activities.downloads.DownloadsActivity.BUNDLE_DOWNLOADS_TITLE;
+import static gr.thmmy.mthmmy.activities.downloads.DownloadsActivity.BUNDLE_DOWNLOADS_URL;
+import static gr.thmmy.mthmmy.activities.profile.ProfileActivity.BUNDLE_PROFILE_THUMBNAIL_URL;
+import static gr.thmmy.mthmmy.activities.profile.ProfileActivity.BUNDLE_PROFILE_URL;
+import static gr.thmmy.mthmmy.activities.profile.ProfileActivity.BUNDLE_PROFILE_USERNAME;
+import static gr.thmmy.mthmmy.activities.topic.TopicActivity.BUNDLE_TOPIC_TITLE;
+import static gr.thmmy.mthmmy.activities.topic.TopicActivity.BUNDLE_TOPIC_URL;
+
 import android.content.Intent;
 import android.content.SharedPreferences;
 import android.net.Uri;
@@ -37,16 +47,6 @@ import gr.thmmy.mthmmy.model.ThmmyPage;
 import gr.thmmy.mthmmy.model.TopicSummary;
 import timber.log.Timber;
 
-import static gr.thmmy.mthmmy.activities.board.BoardActivity.BUNDLE_BOARD_TITLE;
-import static gr.thmmy.mthmmy.activities.board.BoardActivity.BUNDLE_BOARD_URL;
-import static gr.thmmy.mthmmy.activities.downloads.DownloadsActivity.BUNDLE_DOWNLOADS_TITLE;
-import static gr.thmmy.mthmmy.activities.downloads.DownloadsActivity.BUNDLE_DOWNLOADS_URL;
-import static gr.thmmy.mthmmy.activities.profile.ProfileActivity.BUNDLE_PROFILE_THUMBNAIL_URL;
-import static gr.thmmy.mthmmy.activities.profile.ProfileActivity.BUNDLE_PROFILE_URL;
-import static gr.thmmy.mthmmy.activities.profile.ProfileActivity.BUNDLE_PROFILE_USERNAME;
-import static gr.thmmy.mthmmy.activities.topic.TopicActivity.BUNDLE_TOPIC_TITLE;
-import static gr.thmmy.mthmmy.activities.topic.TopicActivity.BUNDLE_TOPIC_URL;
-
 public class MainActivity extends BaseActivity implements RecentFragment.RecentFragmentInteractionListener, ForumFragment.ForumFragmentInteractionListener, UnreadFragment.UnreadFragmentInteractionListener {
 
     //-----------------------------------------CLASS VARIABLES------------------------------------------

app/src/main/java/gr/thmmy/mthmmy/activities/main/unread/UnreadFragment.java

@@ -244,7 +244,7 @@ public class UnreadFragment extends BaseFragment {
             if (loadedPages < numberOfPages) {
                 unreadTask = new UnreadTask(this::onUnreadTaskStarted, UnreadFragment.this::onUnreadTaskCancelled, this::onUnreadTaskFinished);
                 assert SessionManager.unreadUrl != null;
-                unreadTask.executeOnExecutor(AsyncTask.THREAD_POOL_EXECUTOR, SessionManager.unreadUrl.toString() + ";start=" + loadedPages * 20);
+                unreadTask.executeOnExecutor(AsyncTask.THREAD_POOL_EXECUTOR, SessionManager.unreadUrl + ";start=" + loadedPages * 20);
             }
             else
                 hideProgressUI();

app/src/main/java/gr/thmmy/mthmmy/activities/profile/ProfileActivity.java

@@ -1,5 +1,11 @@
 package gr.thmmy.mthmmy.activities.profile;
 
+import static gr.thmmy.mthmmy.activities.topic.TopicActivity.BUNDLE_TOPIC_TITLE;
+import static gr.thmmy.mthmmy.activities.topic.TopicActivity.BUNDLE_TOPIC_URL;
+import static gr.thmmy.mthmmy.utils.parsing.ParseHelpers.emojiTagToHtml;
+import static gr.thmmy.mthmmy.utils.ui.GlideUtils.isValidContextForGlide;
+import static gr.thmmy.mthmmy.utils.ui.PhotoViewUtils.displayPhotoViewImage;
+
 import android.content.Intent;
 import android.graphics.Color;
 import android.graphics.Typeface;
@@ -54,12 +60,6 @@ import me.zhanghai.android.materialprogressbar.MaterialProgressBar;
 import okhttp3.Response;
 import timber.log.Timber;
 
-import static gr.thmmy.mthmmy.activities.topic.TopicActivity.BUNDLE_TOPIC_TITLE;
-import static gr.thmmy.mthmmy.activities.topic.TopicActivity.BUNDLE_TOPIC_URL;
-import static gr.thmmy.mthmmy.utils.parsing.ParseHelpers.emojiTagToHtml;
-import static gr.thmmy.mthmmy.utils.ui.GlideUtils.isValidContextForGlide;
-import static gr.thmmy.mthmmy.utils.ui.PhotoViewUtils.displayPhotoViewImage;
-
 /**
  * Activity for user profile. When creating an Intent of this activity you need to bundle a <b>String</b>
  * containing this user's profile url using the key {@link #BUNDLE_PROFILE_URL}, a <b>String</b> containing

app/src/main/java/gr/thmmy/mthmmy/activities/profile/stats/StatsFragment.java

@@ -2,7 +2,6 @@ package gr.thmmy.mthmmy.activities.profile.stats;
 
 import android.graphics.Color;
 import android.os.AsyncTask;
-import android.os.Build;
 import android.os.Bundle;
 import android.view.LayoutInflater;
 import android.view.View;
@@ -230,7 +229,6 @@ public class StatsFragment extends Fragment {
 
     private void populateLayout() {
         onLoadingListener.onLoadingStats(true);
-        ;
         ((TextView) mainContent.findViewById(R.id.general_statistics_title))
                 .setText(generalStatisticsTitle);
         ((TextView) mainContent.findViewById(R.id.general_statistics))
@@ -296,14 +294,9 @@ public class StatsFragment extends Fragment {
         mostPopularBoardsByPostsChartYAxis.setGranularity(1f);
 
         BarDataSet mostPopularBoardsByPostsDataSet = new BarDataSet(mostPopularBoardsByPosts, null);
-        if (isAdded()) {
+        if (isAdded())
-            if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
             mostPopularBoardsByPostsDataSet.setColors(getResources().getColor(R.color.accent, null));
-            }
+
-            else
-                //noinspection deprecation
-                mostPopularBoardsByPostsDataSet.setColors(getResources().getColor(R.color.accent));
-        }
         mostPopularBoardsByPostsDataSet.setDrawValues(false);
         mostPopularBoardsByPostsDataSet.setValueTextColor(Color.WHITE);
 
@@ -338,14 +331,8 @@ public class StatsFragment extends Fragment {
         mostPopularBoardsByActivityChartYAxis.setLabelCount(10, false);
 
         BarDataSet mostPopularBoardsByActivityDataSet = new BarDataSet(mostPopularBoardsByActivity, null);
-        if (isAdded()) {
+        if (isAdded())
-            if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
             mostPopularBoardsByActivityDataSet.setColors(getResources().getColor(R.color.accent, null));
-            }
-            else
-                //noinspection deprecation
-                mostPopularBoardsByActivityDataSet.setColors(getResources().getColor(R.color.accent));
-        }
         mostPopularBoardsByActivityDataSet.setDrawValues(false);
         mostPopularBoardsByActivityDataSet.setValueTextColor(Color.WHITE);
 

app/src/main/java/gr/thmmy/mthmmy/activities/profile/summary/SummaryFragment.java

@@ -189,10 +189,7 @@ public class SummaryFragment extends Fragment {
                     && value.contains("@")) || key.startsWith("Website") || key.startsWith("Ιστοτόπος"))
                 textView.setMovementMethod(LinkMovementMethod.getInstance());
 
-            if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M)
             textView.setTextColor(getResources().getColor(R.color.primary_text, null));
-            else
-                textView.setTextColor(getResources().getColor(R.color.primary_text));
 
             String textViewContent = "<b>" + key + "</b> " + value;
 

app/src/main/java/gr/thmmy/mthmmy/activities/settings/SettingsFragment.java

@@ -1,5 +1,7 @@
 package gr.thmmy.mthmmy.activities.settings;
 
+import static gr.thmmy.mthmmy.activities.settings.SettingsActivity.DEFAULT_HOME_TAB;
+
 import android.app.Activity;
 import android.content.Context;
 import android.content.Intent;
@@ -22,8 +24,6 @@ import gr.thmmy.mthmmy.R;
 import gr.thmmy.mthmmy.base.BaseApplication;
 import timber.log.Timber;
 
-import static gr.thmmy.mthmmy.activities.settings.SettingsActivity.DEFAULT_HOME_TAB;
-
 public class SettingsFragment extends PreferenceFragmentCompat implements SharedPreferences.OnSharedPreferenceChangeListener {
     private enum PREFS_TYPE {
         NOT_SET, USER, GUEST

app/src/main/java/gr/thmmy/mthmmy/activities/shoutbox/ShoutAdapter.java

@@ -1,5 +1,13 @@
 package gr.thmmy.mthmmy.activities.shoutbox;
 
+import static android.content.Intent.FLAG_ACTIVITY_NEW_TASK;
+import static gr.thmmy.mthmmy.activities.board.BoardActivity.BUNDLE_BOARD_TITLE;
+import static gr.thmmy.mthmmy.activities.board.BoardActivity.BUNDLE_BOARD_URL;
+import static gr.thmmy.mthmmy.activities.profile.ProfileActivity.BUNDLE_PROFILE_THUMBNAIL_URL;
+import static gr.thmmy.mthmmy.activities.profile.ProfileActivity.BUNDLE_PROFILE_URL;
+import static gr.thmmy.mthmmy.activities.profile.ProfileActivity.BUNDLE_PROFILE_USERNAME;
+import static gr.thmmy.mthmmy.activities.topic.TopicActivity.BUNDLE_TOPIC_URL;
+
 import android.content.Context;
 import android.content.Intent;
 import android.graphics.Color;
@@ -24,14 +32,6 @@ import gr.thmmy.mthmmy.model.ThmmyPage;
 import gr.thmmy.mthmmy.views.CustomRecyclerView;
 import gr.thmmy.mthmmy.views.ReactiveWebView;
 
-import static android.content.Intent.FLAG_ACTIVITY_NEW_TASK;
-import static gr.thmmy.mthmmy.activities.board.BoardActivity.BUNDLE_BOARD_TITLE;
-import static gr.thmmy.mthmmy.activities.board.BoardActivity.BUNDLE_BOARD_URL;
-import static gr.thmmy.mthmmy.activities.profile.ProfileActivity.BUNDLE_PROFILE_THUMBNAIL_URL;
-import static gr.thmmy.mthmmy.activities.profile.ProfileActivity.BUNDLE_PROFILE_URL;
-import static gr.thmmy.mthmmy.activities.profile.ProfileActivity.BUNDLE_PROFILE_USERNAME;
-import static gr.thmmy.mthmmy.activities.topic.TopicActivity.BUNDLE_TOPIC_URL;
-
 public class ShoutAdapter extends CustomRecyclerView.Adapter<ShoutAdapter.ShoutViewHolder> {
     private Context context;
     private Shout[] shouts;

app/src/main/java/gr/thmmy/mthmmy/activities/topic/TopicActivity.java

@@ -1,5 +1,7 @@
 package gr.thmmy.mthmmy.activities.topic;
 
+import static gr.thmmy.mthmmy.services.NotificationService.NEW_POST_TAG;
+
 import android.annotation.SuppressLint;
 import android.app.NotificationManager;
 import android.content.ClipData;
@@ -60,8 +62,6 @@ import gr.thmmy.mthmmy.views.editorview.EmojiKeyboard;
 import me.zhanghai.android.materialprogressbar.MaterialProgressBar;
 import timber.log.Timber;
 
-import static gr.thmmy.mthmmy.services.NotificationService.NEW_POST_TAG;
-
 /**
  * Activity for parsing and rendering topics. When creating an Intent of this activity you need to
  * bundle a <b>String</b> containing this topic's url using the key {@link #BUNDLE_TOPIC_URL}.

app/src/main/java/gr/thmmy/mthmmy/activities/topic/TopicAdapter.java

@@ -1,5 +1,18 @@
 package gr.thmmy.mthmmy.activities.topic;
 
+import static android.content.Intent.FLAG_ACTIVITY_NEW_TASK;
+import static gr.thmmy.mthmmy.activities.board.BoardActivity.BUNDLE_BOARD_TITLE;
+import static gr.thmmy.mthmmy.activities.board.BoardActivity.BUNDLE_BOARD_URL;
+import static gr.thmmy.mthmmy.activities.profile.ProfileActivity.BUNDLE_PROFILE_THUMBNAIL_URL;
+import static gr.thmmy.mthmmy.activities.profile.ProfileActivity.BUNDLE_PROFILE_URL;
+import static gr.thmmy.mthmmy.activities.profile.ProfileActivity.BUNDLE_PROFILE_USERNAME;
+import static gr.thmmy.mthmmy.activities.topic.TopicActivity.BUNDLE_TOPIC_URL;
+import static gr.thmmy.mthmmy.activities.topic.TopicParser.USER_COLOR_WHITE;
+import static gr.thmmy.mthmmy.activities.topic.TopicParser.USER_COLOR_YELLOW;
+import static gr.thmmy.mthmmy.base.BaseActivity.getSessionManager;
+import static gr.thmmy.mthmmy.utils.FileUtils.faIconFromFilename;
+import static gr.thmmy.mthmmy.utils.ui.GlideUtils.isValidContextForGlide;
+
 import android.annotation.SuppressLint;
 import android.annotation.TargetApi;
 import android.content.Context;
@@ -77,19 +90,6 @@ import gr.thmmy.mthmmy.views.editorview.EditorView;
 import gr.thmmy.mthmmy.views.editorview.IEmojiKeyboard;
 import timber.log.Timber;
 
-import static android.content.Intent.FLAG_ACTIVITY_NEW_TASK;
-import static gr.thmmy.mthmmy.activities.board.BoardActivity.BUNDLE_BOARD_TITLE;
-import static gr.thmmy.mthmmy.activities.board.BoardActivity.BUNDLE_BOARD_URL;
-import static gr.thmmy.mthmmy.activities.profile.ProfileActivity.BUNDLE_PROFILE_THUMBNAIL_URL;
-import static gr.thmmy.mthmmy.activities.profile.ProfileActivity.BUNDLE_PROFILE_URL;
-import static gr.thmmy.mthmmy.activities.profile.ProfileActivity.BUNDLE_PROFILE_USERNAME;
-import static gr.thmmy.mthmmy.activities.topic.TopicActivity.BUNDLE_TOPIC_URL;
-import static gr.thmmy.mthmmy.activities.topic.TopicParser.USER_COLOR_WHITE;
-import static gr.thmmy.mthmmy.activities.topic.TopicParser.USER_COLOR_YELLOW;
-import static gr.thmmy.mthmmy.base.BaseActivity.getSessionManager;
-import static gr.thmmy.mthmmy.utils.FileUtils.faIconFromFilename;
-import static gr.thmmy.mthmmy.utils.ui.GlideUtils.isValidContextForGlide;
-
 /**
  * Custom {@link RecyclerView.Adapter} used for topics.
  */
@@ -393,11 +393,7 @@ class TopicAdapter extends RecyclerView.Adapter<RecyclerView.ViewHolder> {
 
                     if (currentPost.getAttachedFiles() != null && currentPost.getAttachedFiles().size() != 0) {
                         int filesTextColor;
-                        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
                         filesTextColor = context.getResources().getColor(R.color.accent, null);
-                        }
-                        else
-                            filesTextColor = context.getResources().getColor(R.color.accent);
 
                         for (final ThmmyFile attachedFile : currentPost.getAttachedFiles()) {
                             final TextView attached = new TextView(context);
@@ -417,11 +413,8 @@ class TopicAdapter extends RecyclerView.Adapter<RecyclerView.ViewHolder> {
                     }
                     if (currentPost.getLastEdit() != null && currentPost.getLastEdit().length() > 0) {
                         int lastEditTextColor;
-                        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
+
                         lastEditTextColor = context.getResources().getColor(R.color.white, null);
-                        }
-                        else
-                            lastEditTextColor = context.getResources().getColor(R.color.white);
 
                         final TextView lastEdit = new TextView(context);
                         lastEdit.setTextSize(12f);

app/src/main/java/gr/thmmy/mthmmy/activities/topic/tasks/EditTask.java

@@ -1,5 +1,7 @@
 package gr.thmmy.mthmmy.activities.topic.tasks;
 
+import static gr.thmmy.mthmmy.activities.topic.Posting.replyStatus;
+
 import android.os.AsyncTask;
 
 import java.io.IOException;
@@ -12,8 +14,6 @@ import okhttp3.RequestBody;
 import okhttp3.Response;
 import timber.log.Timber;
 
-import static gr.thmmy.mthmmy.activities.topic.Posting.replyStatus;
-
 public class EditTask extends AsyncTask<String, Void, Boolean> {
     private EditTaskCallbacks listener;
     private int position;

app/src/main/java/gr/thmmy/mthmmy/activities/topic/tasks/ReplyTask.java

@@ -1,5 +1,7 @@
 package gr.thmmy.mthmmy.activities.topic.tasks;
 
+import static gr.thmmy.mthmmy.activities.topic.Posting.replyStatus;
+
 import android.os.AsyncTask;
 
 import java.io.IOException;
@@ -13,8 +15,6 @@ import okhttp3.RequestBody;
 import okhttp3.Response;
 import timber.log.Timber;
 
-import static gr.thmmy.mthmmy.activities.topic.Posting.replyStatus;
-
 public class ReplyTask extends AsyncTask<String, Void, Posting.REPLY_STATUS> {
     private ReplyTaskCallbacks listener;
     private boolean includeAppSignature;

app/src/main/java/gr/thmmy/mthmmy/activities/upload/UploadActivity.java

@@ -1,5 +1,15 @@
 package gr.thmmy.mthmmy.activities.upload;
 
+import static gr.thmmy.mthmmy.activities.settings.SettingsActivity.UPLOADING_APP_SIGNATURE_ENABLE_KEY;
+import static gr.thmmy.mthmmy.activities.upload.UploadFieldsBuilderActivity.BUNDLE_UPLOAD_FIELD_BUILDER_COURSE_GREEKLISH_NAME;
+import static gr.thmmy.mthmmy.activities.upload.UploadFieldsBuilderActivity.BUNDLE_UPLOAD_FIELD_BUILDER_COURSE_MINIFIED_NAME;
+import static gr.thmmy.mthmmy.activities.upload.UploadFieldsBuilderActivity.BUNDLE_UPLOAD_FIELD_BUILDER_COURSE_NAME;
+import static gr.thmmy.mthmmy.activities.upload.UploadFieldsBuilderActivity.BUNDLE_UPLOAD_FIELD_BUILDER_SEMESTER;
+import static gr.thmmy.mthmmy.activities.upload.UploadFieldsBuilderActivity.RESULT_DESCRIPTION;
+import static gr.thmmy.mthmmy.activities.upload.UploadFieldsBuilderActivity.RESULT_FILENAME;
+import static gr.thmmy.mthmmy.activities.upload.UploadFieldsBuilderActivity.RESULT_TITLE;
+import static gr.thmmy.mthmmy.utils.FileUtils.faIconFromFilename;
+
 import android.app.Activity;
 import android.app.PendingIntent;
 import android.content.Context;
@@ -74,16 +84,6 @@ import gr.thmmy.mthmmy.views.AppCompatSpinnerWithoutDefault;
 import me.zhanghai.android.materialprogressbar.MaterialProgressBar;
 import timber.log.Timber;
 
-import static gr.thmmy.mthmmy.activities.settings.SettingsActivity.UPLOADING_APP_SIGNATURE_ENABLE_KEY;
-import static gr.thmmy.mthmmy.activities.upload.UploadFieldsBuilderActivity.BUNDLE_UPLOAD_FIELD_BUILDER_COURSE_GREEKLISH_NAME;
-import static gr.thmmy.mthmmy.activities.upload.UploadFieldsBuilderActivity.BUNDLE_UPLOAD_FIELD_BUILDER_COURSE_MINIFIED_NAME;
-import static gr.thmmy.mthmmy.activities.upload.UploadFieldsBuilderActivity.BUNDLE_UPLOAD_FIELD_BUILDER_COURSE_NAME;
-import static gr.thmmy.mthmmy.activities.upload.UploadFieldsBuilderActivity.BUNDLE_UPLOAD_FIELD_BUILDER_SEMESTER;
-import static gr.thmmy.mthmmy.activities.upload.UploadFieldsBuilderActivity.RESULT_DESCRIPTION;
-import static gr.thmmy.mthmmy.activities.upload.UploadFieldsBuilderActivity.RESULT_FILENAME;
-import static gr.thmmy.mthmmy.activities.upload.UploadFieldsBuilderActivity.RESULT_TITLE;
-import static gr.thmmy.mthmmy.utils.FileUtils.faIconFromFilename;
-
 public class UploadActivity extends BaseActivity {
     /**
      * The key to use when putting upload's category String to {@link UploadActivity}'s Bundle.

app/src/main/java/gr/thmmy/mthmmy/activities/upload/multipart/MultipartUploadTask.java

@@ -11,6 +11,7 @@ import net.gotev.uploadservice.http.BodyWriter;
 import java.io.IOException;
 import java.io.UnsupportedEncodingException;
 import java.nio.charset.Charset;
+import java.nio.charset.StandardCharsets;
 
 /**
  * Extended MultipartUploadTask from gotev/android-upload-service to include a fix for the parameter
@@ -21,7 +22,7 @@ public class MultipartUploadTask extends HttpUploadTask {
     static final String PARAM_UTF8_CHARSET = "multipartUtf8Charset";
 
     private static final String BOUNDARY_SIGNATURE = "-------AndroidUploadService";
-    private static final Charset US_ASCII = Charset.forName("US-ASCII");
+    private static final Charset US_ASCII = StandardCharsets.US_ASCII;
     private static final String NEW_LINE = "\r\n";
     private static final String TWO_HYPHENS = "--";
 
@@ -42,7 +43,7 @@ public class MultipartUploadTask extends HttpUploadTask {
         boundaryBytes = (TWO_HYPHENS + boundary + NEW_LINE).getBytes(US_ASCII);
         trailerBytes = (TWO_HYPHENS + boundary + TWO_HYPHENS + NEW_LINE).getBytes(US_ASCII);
         charset = intent.getBooleanExtra(PARAM_UTF8_CHARSET, false) ?
-                Charset.forName("UTF-8") : US_ASCII;
+                StandardCharsets.UTF_8 : US_ASCII;
 
         httpParams.addHeader("Connection", "Keep-Alive");
         httpParams.addHeader("Content-Type", "multipart/form-data; boundary=" + boundary);

app/src/main/java/gr/thmmy/mthmmy/base/BaseActivity.java

@@ -1,5 +1,15 @@
 package gr.thmmy.mthmmy.base;
 
+import static android.content.Intent.FLAG_ACTIVITY_NEW_TASK;
+import static gr.thmmy.mthmmy.activities.downloads.DownloadsActivity.BUNDLE_DOWNLOADS_TITLE;
+import static gr.thmmy.mthmmy.activities.downloads.DownloadsActivity.BUNDLE_DOWNLOADS_URL;
+import static gr.thmmy.mthmmy.activities.profile.ProfileActivity.BUNDLE_PROFILE_THUMBNAIL_URL;
+import static gr.thmmy.mthmmy.activities.profile.ProfileActivity.BUNDLE_PROFILE_URL;
+import static gr.thmmy.mthmmy.activities.profile.ProfileActivity.BUNDLE_PROFILE_USERNAME;
+import static gr.thmmy.mthmmy.activities.settings.SettingsActivity.DEFAULT_HOME_TAB;
+import static gr.thmmy.mthmmy.services.DownloadHelper.SAVE_DIR;
+import static gr.thmmy.mthmmy.utils.FileUtils.getMimeType;
+
 import android.Manifest;
 import android.app.ProgressDialog;
 import android.content.Context;
@@ -8,7 +18,6 @@ import android.content.SharedPreferences;
 import android.content.pm.PackageManager;
 import android.net.Uri;
 import android.os.AsyncTask;
-import android.os.Build;
 import android.os.Bundle;
 import android.view.MenuItem;
 import android.view.View;
@@ -67,16 +76,6 @@ import ru.noties.markwon.Markwon;
 import ru.noties.markwon.SpannableConfiguration;
 import timber.log.Timber;
 
-import static android.content.Intent.FLAG_ACTIVITY_NEW_TASK;
-import static gr.thmmy.mthmmy.activities.downloads.DownloadsActivity.BUNDLE_DOWNLOADS_TITLE;
-import static gr.thmmy.mthmmy.activities.downloads.DownloadsActivity.BUNDLE_DOWNLOADS_URL;
-import static gr.thmmy.mthmmy.activities.profile.ProfileActivity.BUNDLE_PROFILE_THUMBNAIL_URL;
-import static gr.thmmy.mthmmy.activities.profile.ProfileActivity.BUNDLE_PROFILE_URL;
-import static gr.thmmy.mthmmy.activities.profile.ProfileActivity.BUNDLE_PROFILE_USERNAME;
-import static gr.thmmy.mthmmy.activities.settings.SettingsActivity.DEFAULT_HOME_TAB;
-import static gr.thmmy.mthmmy.services.DownloadHelper.SAVE_DIR;
-import static gr.thmmy.mthmmy.utils.FileUtils.getMimeType;
-
 public abstract class BaseActivity extends AppCompatActivity {
     // Client & Cookies
     protected static OkHttpClient client;
@@ -695,7 +694,6 @@ public abstract class BaseActivity extends AppCompatActivity {
 
     //True if permissions are OK
     protected boolean checkPerms() {
-        if (Build.VERSION.SDK_INT > Build.VERSION_CODES.LOLLIPOP_MR1) {
         Timber.i("Checking storage permissions.");
         String[] PERMISSIONS_STORAGE = {
                 Manifest.permission.READ_EXTERNAL_STORAGE,
@@ -704,13 +702,9 @@ public abstract class BaseActivity extends AppCompatActivity {
         return !(checkSelfPermission(PERMISSIONS_STORAGE[0]) == PackageManager.PERMISSION_DENIED ||
                 checkSelfPermission(PERMISSIONS_STORAGE[1]) == PackageManager.PERMISSION_DENIED);
     }
-        return true;
-    }
 
     //Display popup for user to grant permission
     protected void requestPerms(int code) {
-        //Runtime permissions request for devices with API >= 23
-        if (Build.VERSION.SDK_INT > Build.VERSION_CODES.LOLLIPOP_MR1) {
         String[] PERMISSIONS_STORAGE = {
                 Manifest.permission.READ_EXTERNAL_STORAGE,
                 Manifest.permission.WRITE_EXTERNAL_STORAGE};
@@ -718,7 +712,6 @@ public abstract class BaseActivity extends AppCompatActivity {
         Timber.i("Requesting storage permissions (code %d).", code);
         requestPermissions(PERMISSIONS_STORAGE, code);
     }
-    }
 
     @Override
     public void onRequestPermissionsResult(int permsRequestCode, @NonNull String[] permissions

app/src/main/java/gr/thmmy/mthmmy/base/BaseApplication.java

@@ -1,5 +1,10 @@
 package gr.thmmy.mthmmy.base;
 
+import static gr.thmmy.mthmmy.activities.settings.SettingsActivity.DISPLAY_COMPACT_TABS;
+import static gr.thmmy.mthmmy.activities.settings.SettingsActivity.DISPLAY_RELATIVE_TIME;
+import static gr.thmmy.mthmmy.activities.upload.UploadActivity.firebaseConfigUploadsCoursesKey;
+import static gr.thmmy.mthmmy.utils.io.ResourceUtils.readJSONResourceToString;
+
 import android.app.Application;
 import android.content.Context;
 import android.content.SharedPreferences;
@@ -45,16 +50,16 @@ import okhttp3.OkHttpClient;
 import okhttp3.Request;
 import timber.log.Timber;
 
-import static gr.thmmy.mthmmy.activities.settings.SettingsActivity.DISPLAY_COMPACT_TABS;
-import static gr.thmmy.mthmmy.activities.settings.SettingsActivity.DISPLAY_RELATIVE_TIME;
-import static gr.thmmy.mthmmy.activities.upload.UploadActivity.firebaseConfigUploadsCoursesKey;
-import static gr.thmmy.mthmmy.utils.io.ResourceUtils.readJSONResourceToString;
-
 public class BaseApplication extends Application implements Executor{
     private static BaseApplication baseApplication; //BaseApplication singleton
 
     private CrashReportingTree crashReportingTree;
 
+    //Global variables
+    private static String forumUrl;
+    private static String forumHost;
+    private static String forumHostSimple;
+
     //Firebase
     private static String firebaseProjectId;
     private FirebaseAnalytics firebaseAnalytics;
@@ -71,27 +76,6 @@ public class BaseApplication extends Application implements Executor{
     private static float widthDp;
     private static int widthPxl, heightPxl;
 
-    private static String forumUrl;
-    private static String forumHost;
-    private static String forumHostSimple;
-
-    public static BaseApplication getInstance() {
-        return baseApplication;
-    }
-
-    public static String getForumUrl() {
-        return forumUrl;
-    }
-
-    public static String getForumHost() {
-        return forumHost;
-    }
-
-
-    public static String getForumHostSimple() {
-        return forumHostSimple;
-    }
-
     @Override
     public void onCreate() {
         super.onCreate();
@@ -231,6 +215,22 @@ public class BaseApplication extends Application implements Executor{
 
 
     //-------------------- Getters --------------------
+    public static BaseApplication getInstance() {
+        return baseApplication;
+    }
+
+    public static String getForumUrl() {
+        return forumUrl;
+    }
+
+    public static String getForumHost() {
+        return forumHost;
+    }
+
+    public static String getForumHostSimple() {
+        return forumHostSimple;
+    }
+
     public Context getContext() {
         return getApplicationContext();
     }

app/src/main/java/gr/thmmy/mthmmy/base/BaseFragment.java

@@ -31,7 +31,7 @@ public abstract class BaseFragment extends Fragment {
         if (context instanceof FragmentInteractionListener)
             fragmentInteractionListener = (FragmentInteractionListener) context;
         else
-            throw new RuntimeException(context.toString()
+            throw new RuntimeException(context
                     + " must implement OnFragmentInteractionListener");
     }
 

app/src/main/java/gr/thmmy/mthmmy/model/Category.java

@@ -1,12 +1,12 @@
 package gr.thmmy.mthmmy.model;
 
+import static android.R.attr.id;
+
 import com.bignerdranch.expandablerecyclerview.model.Parent;
 
 import java.util.ArrayList;
 import java.util.List;
 
-import static android.R.attr.id;
-
 public class Category implements Parent<Board> {
     private final String title;
     private final String categoryURL;

app/src/main/java/gr/thmmy/mthmmy/services/DownloadHelper.java

@@ -1,5 +1,7 @@
 package gr.thmmy.mthmmy.services;
 
+import static gr.thmmy.mthmmy.utils.FileUtils.getMimeType;
+
 import android.app.DownloadManager;
 import android.content.Context;
 import android.net.Uri;
@@ -15,8 +17,6 @@ import gr.thmmy.mthmmy.model.ThmmyFile;
 import okhttp3.Cookie;
 import timber.log.Timber;
 
-import static gr.thmmy.mthmmy.utils.FileUtils.getMimeType;
-
 /**
  * Not an actual service, but simply a helper class that adds a download to the queue of Android's
  * DownloadManager system service.

app/src/main/java/gr/thmmy/mthmmy/services/NotificationService.java

@@ -1,5 +1,17 @@
 package gr.thmmy.mthmmy.services;
 
+import static androidx.core.app.NotificationCompat.PRIORITY_MAX;
+import static gr.thmmy.mthmmy.activities.settings.SettingsActivity.NOTIFICATION_LED_KEY;
+import static gr.thmmy.mthmmy.activities.settings.SettingsActivity.NOTIFICATION_VIBRATION_KEY;
+import static gr.thmmy.mthmmy.activities.settings.SettingsFragment.SELECTED_RINGTONE;
+import static gr.thmmy.mthmmy.activities.settings.SettingsFragment.SETTINGS_SHARED_PREFS;
+import static gr.thmmy.mthmmy.activities.topic.TopicActivity.BUNDLE_TOPIC_TITLE;
+import static gr.thmmy.mthmmy.activities.topic.TopicActivity.BUNDLE_TOPIC_URL;
+import static gr.thmmy.mthmmy.base.BaseActivity.BOOKMARKED_BOARDS_KEY;
+import static gr.thmmy.mthmmy.base.BaseActivity.BOOKMARKED_TOPICS_KEY;
+import static gr.thmmy.mthmmy.base.BaseActivity.BOOKMARKS_SHARED_PREFS;
+import static gr.thmmy.mthmmy.model.Bookmark.matchExistsById;
+
 import android.app.Notification;
 import android.app.NotificationChannel;
 import android.app.NotificationManager;
@@ -13,7 +25,6 @@ import android.os.Build;
 import android.os.Bundle;
 import android.service.notification.StatusBarNotification;
 
-import androidx.annotation.RequiresApi;
 import androidx.core.app.NotificationCompat;
 import androidx.preference.PreferenceManager;
 
@@ -34,18 +45,6 @@ import gr.thmmy.mthmmy.model.Bookmark;
 import gr.thmmy.mthmmy.model.PostNotification;
 import timber.log.Timber;
 
-import static androidx.core.app.NotificationCompat.PRIORITY_MAX;
-import static gr.thmmy.mthmmy.activities.settings.SettingsActivity.NOTIFICATION_LED_KEY;
-import static gr.thmmy.mthmmy.activities.settings.SettingsActivity.NOTIFICATION_VIBRATION_KEY;
-import static gr.thmmy.mthmmy.activities.settings.SettingsFragment.SELECTED_RINGTONE;
-import static gr.thmmy.mthmmy.activities.settings.SettingsFragment.SETTINGS_SHARED_PREFS;
-import static gr.thmmy.mthmmy.activities.topic.TopicActivity.BUNDLE_TOPIC_TITLE;
-import static gr.thmmy.mthmmy.activities.topic.TopicActivity.BUNDLE_TOPIC_URL;
-import static gr.thmmy.mthmmy.base.BaseActivity.BOOKMARKED_BOARDS_KEY;
-import static gr.thmmy.mthmmy.base.BaseActivity.BOOKMARKED_TOPICS_KEY;
-import static gr.thmmy.mthmmy.base.BaseActivity.BOOKMARKS_SHARED_PREFS;
-import static gr.thmmy.mthmmy.model.Bookmark.matchExistsById;
-
 public class NotificationService extends FirebaseMessagingService {
     private static final int buildVersion = Build.VERSION.SDK_INT;
     private static final int disabledNotifiationsLedColor = Color.argb(0, 0, 0, 0);
@@ -204,7 +203,6 @@ public class NotificationService extends FirebaseMessagingService {
 
         int newPostsCount = 1;
 
-        if (buildVersion >= Build.VERSION_CODES.M) {
         Notification existingNotification = getActiveNotification(notificationId);
         if (existingNotification != null) {
             newPostsCount = existingNotification.extras.getInt(NEW_POSTS_COUNT) + 1;
@@ -213,7 +211,6 @@ public class NotificationService extends FirebaseMessagingService {
             else
                 contentText = newPostsCount + " new posts in " + postNotification.getTopicTitle();
         }
-        }
 
         Bundle notificationExtras = new Bundle();
         notificationExtras.putInt(NEW_POSTS_COUNT, newPostsCount);
@@ -250,10 +247,7 @@ public class NotificationService extends FirebaseMessagingService {
         if (buildVersion < Build.VERSION_CODES.O)
             notificationBuilder.setPriority(PRIORITY_MAX);
 
-        boolean createSummaryNotification = false;
+        boolean createSummaryNotification = otherNotificationsExist(notificationId);
-        if (buildVersion >= Build.VERSION_CODES.M)
-            createSummaryNotification = otherNotificationsExist(notificationId);
-
 
         NotificationCompat.Builder summaryNotificationBuilder = null;
         if (createSummaryNotification) {
@@ -281,7 +275,6 @@ public class NotificationService extends FirebaseMessagingService {
             notificationManager.notify(SUMMARY_TAG, 0, summaryNotificationBuilder.build());
     }
 
-    @RequiresApi(api = Build.VERSION_CODES.M)
     private Notification getActiveNotification(int notificationId) {
         NotificationManager notificationManager = (NotificationManager) getSystemService(Context.NOTIFICATION_SERVICE);
         if (notificationManager != null) {
@@ -295,7 +288,6 @@ public class NotificationService extends FirebaseMessagingService {
         return null;
     }
 
-    @RequiresApi(api = Build.VERSION_CODES.M)
     private boolean otherNotificationsExist(int notificationId) {
         NotificationManager notificationManager = (NotificationManager) getSystemService(Context.NOTIFICATION_SERVICE);
         if (notificationManager != null) {

app/src/main/java/gr/thmmy/mthmmy/session/LogoutTask.java

@@ -1,5 +1,8 @@
 package gr.thmmy.mthmmy.session;
 
+import static gr.thmmy.mthmmy.session.SessionManager.baseLogoutLink;
+import static gr.thmmy.mthmmy.session.SessionManager.indexUrl;
+
 import org.jsoup.nodes.Document;
 import org.jsoup.select.Elements;
 
@@ -11,9 +14,6 @@ import gr.thmmy.mthmmy.utils.parsing.ParseException;
 import okhttp3.Response;
 import timber.log.Timber;
 
-import static gr.thmmy.mthmmy.session.SessionManager.baseLogoutLink;
-import static gr.thmmy.mthmmy.session.SessionManager.indexUrl;
-
 
 public class LogoutTask extends NetworkTask<Void> {
     private String logoutLink;

app/src/main/java/gr/thmmy/mthmmy/session/MarkAsReadTask.java

@@ -1,5 +1,8 @@
 package gr.thmmy.mthmmy.session;
 
+import static gr.thmmy.mthmmy.session.SessionManager.baseMarkAllAsReadLink;
+import static gr.thmmy.mthmmy.session.SessionManager.unreadUrl;
+
 import org.jsoup.nodes.Document;
 import org.jsoup.select.Elements;
 
@@ -9,9 +12,6 @@ import gr.thmmy.mthmmy.utils.networking.NetworkTask;
 import gr.thmmy.mthmmy.utils.parsing.ParseException;
 import okhttp3.Response;
 
-import static gr.thmmy.mthmmy.session.SessionManager.baseMarkAllAsReadLink;
-import static gr.thmmy.mthmmy.session.SessionManager.unreadUrl;
-
 public class MarkAsReadTask extends NetworkTask<Void> {
     private String markAsReadLink;
 

app/src/main/java/gr/thmmy/mthmmy/utils/DateTimeUtils.java

@@ -1,13 +1,13 @@
 package gr.thmmy.mthmmy.utils;
 
-import androidx.annotation.VisibleForTesting;
-
 import static android.text.format.DateUtils.DAY_IN_MILLIS;
 import static android.text.format.DateUtils.HOUR_IN_MILLIS;
 import static android.text.format.DateUtils.MINUTE_IN_MILLIS;
 import static android.text.format.DateUtils.SECOND_IN_MILLIS;
 import static android.text.format.DateUtils.YEAR_IN_MILLIS;
 
+import androidx.annotation.VisibleForTesting;
+
 public class DateTimeUtils {
 
     private static final long MONTH_IN_MILLIS = 30 * DAY_IN_MILLIS;

app/src/main/java/gr/thmmy/mthmmy/utils/FileUtils.java

@@ -1,5 +1,7 @@
 package gr.thmmy.mthmmy.utils;
 
+import static gr.thmmy.mthmmy.services.DownloadHelper.SAVE_DIR;
+
 import android.content.Context;
 import android.database.Cursor;
 import android.net.Uri;
@@ -10,18 +12,17 @@ import androidx.annotation.NonNull;
 import androidx.annotation.Nullable;
 
 import java.io.File;
+import java.util.Locale;
 
 import gr.thmmy.mthmmy.R;
 
-import static gr.thmmy.mthmmy.services.DownloadHelper.SAVE_DIR;
-
 public class FileUtils {
     @NonNull
     public static String getMimeType(@NonNull String fileName) {
         String type = null;
         final String extension = MimeTypeMap.getFileExtensionFromUrl(fileName);
         if (extension != null)
-            type = MimeTypeMap.getSingleton().getMimeTypeFromExtension(extension.toLowerCase());
+            type = MimeTypeMap.getSingleton().getMimeTypeFromExtension(extension.toLowerCase(Locale.ROOT));
         if (type == null)
             type = "*/*";
 
@@ -39,7 +40,7 @@ public class FileUtils {
         if (!filename.contains(".")) {
             return null;
         }
-        if (filename.toLowerCase().endsWith(".tar.gz")) {
+        if (filename.toLowerCase(Locale.ROOT).endsWith(".tar.gz")) {
             fileExtension = filename.substring(filename.length() - 7);
         }
         else {
@@ -63,7 +64,9 @@ public class FileUtils {
         if (uri.getScheme().equals("content")) {
             try (Cursor cursor = context.getContentResolver().query(uri, null, null, null, null)) {
                 if (cursor != null && cursor.moveToFirst()) {
-                    filename = cursor.getString(cursor.getColumnIndex(OpenableColumns.DISPLAY_NAME));
+                    final int columnIndex = (cursor.getColumnIndex(OpenableColumns.DISPLAY_NAME));
+                    if(columnIndex>=0)
+                        filename = cursor.getString(columnIndex);
                 }
             }
         }
@@ -81,7 +84,9 @@ public class FileUtils {
     public static long sizeFromUri(Context context, @NonNull Uri uri) {
         try (Cursor cursor = context.getContentResolver().query(uri, null, null, null, null)) {
             if (cursor != null && cursor.moveToFirst()) {
-                return cursor.getLong(cursor.getColumnIndex(OpenableColumns.SIZE));
+                final int columnIndex = (cursor.getColumnIndex(OpenableColumns.SIZE));
+                if(columnIndex>=0)
+                    return cursor.getLong(columnIndex);
             }
         }
         return -1;
@@ -97,7 +102,7 @@ public class FileUtils {
      */
     @NonNull
     public static String faIconFromFilename(Context context, String filename) {
-        filename = filename.toLowerCase();
+        filename = filename.toLowerCase(Locale.ROOT);
 
         if (filename.contains("jpg") || filename.contains("gif") || filename.contains("jpeg")
                 || filename.contains("png"))

app/src/main/java/gr/thmmy/mthmmy/utils/HTMLUtils.java

@@ -1,5 +1,12 @@
 package gr.thmmy.mthmmy.utils;
 
+import static android.content.Intent.FLAG_ACTIVITY_NEW_TASK;
+import static gr.thmmy.mthmmy.activities.board.BoardActivity.BUNDLE_BOARD_TITLE;
+import static gr.thmmy.mthmmy.activities.board.BoardActivity.BUNDLE_BOARD_URL;
+import static gr.thmmy.mthmmy.activities.profile.ProfileActivity.BUNDLE_PROFILE_THUMBNAIL_URL;
+import static gr.thmmy.mthmmy.activities.profile.ProfileActivity.BUNDLE_PROFILE_URL;
+import static gr.thmmy.mthmmy.activities.profile.ProfileActivity.BUNDLE_PROFILE_USERNAME;
+
 import android.app.Activity;
 import android.content.Context;
 import android.content.Intent;
@@ -17,13 +24,6 @@ import gr.thmmy.mthmmy.activities.main.MainActivity;
 import gr.thmmy.mthmmy.activities.profile.ProfileActivity;
 import gr.thmmy.mthmmy.model.ThmmyPage;
 
-import static android.content.Intent.FLAG_ACTIVITY_NEW_TASK;
-import static gr.thmmy.mthmmy.activities.board.BoardActivity.BUNDLE_BOARD_TITLE;
-import static gr.thmmy.mthmmy.activities.board.BoardActivity.BUNDLE_BOARD_URL;
-import static gr.thmmy.mthmmy.activities.profile.ProfileActivity.BUNDLE_PROFILE_THUMBNAIL_URL;
-import static gr.thmmy.mthmmy.activities.profile.ProfileActivity.BUNDLE_PROFILE_URL;
-import static gr.thmmy.mthmmy.activities.profile.ProfileActivity.BUNDLE_PROFILE_USERNAME;
-
 public class HTMLUtils {
     private HTMLUtils() {
     }

app/src/main/java/gr/thmmy/mthmmy/utils/ui/ImageDownloadDialogBuilder.java

@@ -1,5 +1,7 @@
 package gr.thmmy.mthmmy.utils.ui;
 
+import static android.content.Context.CLIPBOARD_SERVICE;
+
 import android.content.ClipData;
 import android.content.ClipboardManager;
 import android.content.Context;
@@ -18,8 +20,6 @@ import gr.thmmy.mthmmy.base.BaseApplication;
 import gr.thmmy.mthmmy.model.ThmmyFile;
 import timber.log.Timber;
 
-import static android.content.Context.CLIPBOARD_SERVICE;
-
 public class ImageDownloadDialogBuilder extends AlertDialog.Builder {
     private static final String[] colors = {"Copy image location", "Save Image"};
 

app/src/main/java/gr/thmmy/mthmmy/views/ReactiveWebView.java

@@ -1,5 +1,9 @@
 package gr.thmmy.mthmmy.views;
 
+import static android.content.Context.CLIPBOARD_SERVICE;
+import static gr.thmmy.mthmmy.utils.parsing.ParseHelpers.VIDEO_ID_PARAMETER;
+import static gr.thmmy.mthmmy.utils.ui.PhotoViewUtils.displayPhotoViewImage;
+
 import android.content.ClipData;
 import android.content.ClipboardManager;
 import android.content.Context;
@@ -13,10 +17,6 @@ import gr.thmmy.mthmmy.R;
 import gr.thmmy.mthmmy.base.BaseApplication;
 import gr.thmmy.mthmmy.utils.ui.ImageDownloadDialogBuilder;
 
-import static android.content.Context.CLIPBOARD_SERVICE;
-import static gr.thmmy.mthmmy.utils.parsing.ParseHelpers.VIDEO_ID_PARAMETER;
-import static gr.thmmy.mthmmy.utils.ui.PhotoViewUtils.displayPhotoViewImage;
-
 public class ReactiveWebView extends WebView {
     private final static long MAX_TOUCH_DURATION = 100;
     private final Context context;

app/src/main/java/gr/thmmy/mthmmy/views/RelativeTimeTextView.java

@@ -1,5 +1,7 @@
 package gr.thmmy.mthmmy.views;
 
+import static gr.thmmy.mthmmy.utils.DateTimeUtils.getRelativeTimeSpanString;
+
 import android.annotation.SuppressLint;
 import android.content.Context;
 import android.content.res.TypedArray;
@@ -15,8 +17,6 @@ import java.lang.ref.WeakReference;
 
 import gr.thmmy.mthmmy.R;
 
-import static gr.thmmy.mthmmy.utils.DateTimeUtils.getRelativeTimeSpanString;
-
 /**
  * A modified version of https://github.com/curioustechizen/android-ago
  */

app/src/main/java/gr/thmmy/mthmmy/views/editorview/EditorView.java

@@ -8,7 +8,6 @@ import android.content.Context;
 import android.content.res.TypedArray;
 import android.graphics.drawable.Drawable;
 import android.os.AsyncTask;
-import android.os.Build;
 import android.text.Editable;
 import android.text.TextUtils;
 import android.util.AttributeSet;
@@ -201,7 +200,7 @@ public class EditorView extends LinearLayout implements EmojiInputField {
                                                 });
                                     }
                                     popupWindow.showAsDropDown(view);
-                                    if (Build.VERSION.SDK_INT < Build.VERSION_CODES.M) {
+
                                     new AsyncTask<Void, Void, Void>() {
                                         @Override
                                         protected Void doInBackground(Void... voids) {
@@ -218,7 +217,7 @@ public class EditorView extends LinearLayout implements EmojiInputField {
                                             editText.setSelection(selectionStart, selectionEnd);
                                         }
                                     }.executeOnExecutor(AsyncTask.THREAD_POOL_EXECUTOR);
-                                    }
+
                                     break;
                                 case R.drawable.ic_format_size:
                                     hadTextSelection = editText.hasSelection();

app/src/main/res/layout-v23/activity_topic_overflow_menu.xml

@@ -1,52 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
-    android:layout_width="wrap_content"
-    android:layout_height="wrap_content"
-    android:background="@color/background_light"
-    android:orientation="vertical">
-
-    <TextView
-        android:id="@+id/post_share_button"
-        android:layout_width="wrap_content"
-        android:layout_height="35dp"
-        android:background="@color/background_light"
-        android:foreground="?android:attr/selectableItemBackground"
-        android:drawablePadding="5dp"
-        android:gravity="center_vertical"
-        android:paddingBottom="6dp"
-        android:paddingEnd="12dp"
-        android:paddingStart="12dp"
-        android:paddingTop="6dp"
-        android:text="@string/post_share_button"
-        android:textColor="@color/primary_text" />
-
-    <TextView
-        android:id="@+id/edit_post"
-        android:layout_width="wrap_content"
-        android:layout_height="35dp"
-        android:background="@color/background_light"
-        android:foreground="?android:attr/selectableItemBackground"
-        android:drawablePadding="5dp"
-        android:gravity="center_vertical"
-        android:paddingBottom="6dp"
-        android:paddingEnd="12dp"
-        android:paddingStart="12dp"
-        android:paddingTop="6dp"
-        android:text="@string/post_edit_button"
-        android:textColor="@color/primary_text" />
-
-    <TextView
-        android:id="@+id/delete_post"
-        android:layout_width="wrap_content"
-        android:layout_height="35dp"
-        android:background="@color/background_light"
-        android:foreground="?android:attr/selectableItemBackground"
-        android:drawablePadding="5dp"
-        android:gravity="center_vertical"
-        android:paddingBottom="6dp"
-        android:paddingEnd="12dp"
-        android:paddingStart="12dp"
-        android:paddingTop="6dp"
-        android:text="@string/post_delete_button"
-        android:textColor="@color/primary_text" />
-</LinearLayout>

app/src/main/res/layout/activity_topic_overflow_menu.xml

@@ -2,13 +2,15 @@
 <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
     android:layout_width="wrap_content"
     android:layout_height="wrap_content"
+    android:background="@color/background_light"
     android:orientation="vertical">
 
     <TextView
         android:id="@+id/post_share_button"
         android:layout_width="wrap_content"
         android:layout_height="35dp"
-        android:background="?android:attr/selectableItemBackground"
+        android:background="@color/background_light"
+        android:foreground="?android:attr/selectableItemBackground"
         android:drawablePadding="5dp"
         android:gravity="center_vertical"
         android:paddingBottom="6dp"
@@ -22,7 +24,8 @@
         android:id="@+id/edit_post"
         android:layout_width="wrap_content"
         android:layout_height="35dp"
-        android:background="?android:attr/selectableItemBackground"
+        android:background="@color/background_light"
+        android:foreground="?android:attr/selectableItemBackground"
         android:drawablePadding="5dp"
         android:gravity="center_vertical"
         android:paddingBottom="6dp"
@@ -36,7 +39,8 @@
         android:id="@+id/delete_post"
         android:layout_width="wrap_content"
         android:layout_height="35dp"
-        android:background="?android:attr/selectableItemBackground"
+        android:background="@color/background_light"
+        android:foreground="?android:attr/selectableItemBackground"
         android:drawablePadding="5dp"
         android:gravity="center_vertical"
         android:paddingBottom="6dp"

app/src/test/java/gr/thmmy/mthmmy/utils/DateTimeUtilsTest.java

@@ -1,5 +1,9 @@
 package gr.thmmy.mthmmy.utils;
 
+import static org.junit.Assert.assertArrayEquals;
+import static org.mockito.Mockito.when;
+import static gr.thmmy.mthmmy.utils.DateTimeUtils.getRelativeTimeSpanString;
+
 import net.lachlanmckee.timberjunit.TimberTestRule;
 
 import org.joda.time.DateTime;
@@ -10,10 +14,6 @@ import org.powermock.api.mockito.PowerMockito;
 import org.powermock.core.classloader.annotations.PrepareForTest;
 import org.powermock.modules.junit4.PowerMockRunner;
 
-import static gr.thmmy.mthmmy.utils.DateTimeUtils.getRelativeTimeSpanString;
-import static org.junit.Assert.assertArrayEquals;
-import static org.mockito.Mockito.when;
-
 @RunWith(PowerMockRunner.class)
 @PrepareForTest(DateTimeUtils.class)
 public class DateTimeUtilsTest {

app/src/test/java/gr/thmmy/mthmmy/utils/UploadsCoursesJSONReadingTest.java

@@ -1,5 +1,10 @@
 package gr.thmmy.mthmmy.utils;
 
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertNotNull;
+import static org.junit.Assert.assertTrue;
+import static gr.thmmy.mthmmy.activities.upload.UploadsCourse.generateCoursesFromJSON;
+
 import net.lachlanmckee.timberjunit.TimberTestRule;
 
 import org.json.JSONObject;
@@ -15,11 +20,6 @@ import java.util.HashMap;
 import gr.thmmy.mthmmy.activities.upload.UploadsCourse;
 import gr.thmmy.mthmmy.utils.io.ResourceUtils;
 
-import static gr.thmmy.mthmmy.activities.upload.UploadsCourse.generateCoursesFromJSON;
-import static org.junit.Assert.assertEquals;
-import static org.junit.Assert.assertNotNull;
-import static org.junit.Assert.assertTrue;
-
 @RunWith(PowerMockRunner.class)
 @PrepareForTest(JSONObject.class)
 public class UploadsCoursesJSONReadingTest {

app/src/test/java/gr/thmmy/mthmmy/utils/parsing/ThmmyDateTimeParserTest.java

@@ -1,5 +1,12 @@
 package gr.thmmy.mthmmy.utils.parsing;
 
+import static org.junit.Assert.assertArrayEquals;
+import static org.junit.Assert.assertNotNull;
+import static org.powermock.api.support.membermodification.MemberMatcher.method;
+import static org.powermock.api.support.membermodification.MemberModifier.stub;
+import static gr.thmmy.mthmmy.utils.parsing.ThmmyDateTimeParser.convertToTimestamp;
+import static gr.thmmy.mthmmy.utils.parsing.ThmmyDateTimeParser.purifyTodayDateTime;
+
 import net.lachlanmckee.timberjunit.TimberTestRule;
 
 import org.joda.time.DateTimeZone;
@@ -9,13 +16,6 @@ import org.junit.runner.RunWith;
 import org.powermock.core.classloader.annotations.PrepareForTest;
 import org.powermock.modules.junit4.PowerMockRunner;
 
-import static gr.thmmy.mthmmy.utils.parsing.ThmmyDateTimeParser.convertToTimestamp;
-import static gr.thmmy.mthmmy.utils.parsing.ThmmyDateTimeParser.purifyTodayDateTime;
-import static org.junit.Assert.assertArrayEquals;
-import static org.junit.Assert.assertNotNull;
-import static org.powermock.api.support.membermodification.MemberMatcher.method;
-import static org.powermock.api.support.membermodification.MemberModifier.stub;
-
 @RunWith(PowerMockRunner.class)
 @PrepareForTest(ThmmyDateTimeParser.class)
 public class ThmmyDateTimeParserTest {

build.gradle

@@ -1,27 +1,33 @@
 // Top-level build file where you can add configuration options common to all sub-projects/modules.
-apply plugin: "com.github.ben-manes.versions"
-
 buildscript {
     repositories {
         google()
-        jcenter()
+        mavenCentral()
         maven { url "https://jitpack.io" }
+        jcenter()   // Just for snatik and uploadservice
     }
     dependencies {
-        classpath 'com.android.tools.build:gradle:4.1.3'
+        classpath 'com.android.tools.build:gradle:7.4.2'
-        classpath 'com.google.gms:google-services:4.3.10'
+        classpath 'com.google.gms:google-services:4.3.15'
-        classpath 'com.google.firebase:firebase-crashlytics-gradle:2.7.1'
+        classpath 'com.google.firebase:firebase-crashlytics-gradle:2.9.4'
-        classpath 'org.ajoberstar.grgit:grgit-core:3.1.1' // Also change in app/gradle/grgit.gradle
+        classpath 'org.ajoberstar.grgit:grgit-core:5.0.0' // Also change in app/gradle/grgit.gradle
-        classpath "com.github.ben-manes:gradle-versions-plugin:0.21.0"
+    }
 }
+
+plugins {
+    id("com.github.ben-manes.versions") version "0.46.0"
 }
 
 allprojects {
     repositories {
-        maven { url "https://maven.google.com" }
         google()
-        jcenter()
+        mavenCentral()
         maven { url "https://jitpack.io" }
+        jcenter()   // Just for snatik and uploadservice
+    }
+
+    tasks.withType(JavaCompile) {
+        options.compilerArgs << "-Xlint:unchecked" << "-Xlint:deprecation"
     }
 }
 

emojis/build.gradle

@@ -1,14 +1,11 @@
 apply plugin: 'com.android.library'
 
 android {
-    compileSdkVersion 29
+    compileSdkVersion 33
-    buildToolsVersion "29.0.3"
 
     defaultConfig {
-        minSdkVersion 19
+        minSdkVersion 21
-        targetSdkVersion 29
+        targetSdkVersion 33
-        versionCode 1
-        versionName "1.0"
 
         consumerProguardFiles 'consumer-rules.pro'
     }
@@ -19,4 +16,6 @@ android {
             proguardFiles getDefaultProguardFile('proguard-android-optimize.txt'), 'proguard-rules.pro'
         }
     }
+
+    namespace 'gr.thmmy.emojis'
 }

emojis/src/main/AndroidManifest.xml

@@ -1,2 +1 @@
-<manifest xmlns:android="http://schemas.android.com/apk/res/android"
+<manifest xmlns:android="http://schemas.android.com/apk/res/android" />
-    package="gr.thmmy.emojis" />

gradle/wrapper/gradle-wrapper.properties

@@ -1,6 +1,6 @@
-#Thu Dec 03 14:56:57 EET 2020
+#Sun Apr 02 13:22:00 EEST 2023
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-6.5-all.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-7.5-bin.zip