Added About activity to display information about the app

app/build.gradle

@@ -5,7 +5,7 @@ android {
     buildToolsVersion "29.0.2"
     defaultConfig {
         applicationId "be.bitscuit.calendar"
-        minSdkVersion 15
+        minSdkVersion 16
         targetSdkVersion 29
         versionCode 5
         versionName "1.1.1"

app/src/main/AndroidManifest.xml

@@ -13,7 +13,11 @@
         android:roundIcon="@mipmap/ic_launcher_round"
         android:theme="@style/AppTheme"
         tools:ignore="GoogleAppIndexingWarning">
-        <activity android:name=".Activities.SettingsActivity"
+        <activity
+            android:name=".Activities.AboutActivity"
+            android:parentActivityName=".Activities.MainActivity" />
+        <activity
+            android:name=".Activities.SettingsActivity"
             android:parentActivityName=".Activities.MainActivity" />
         <activity
             android:name=".Activities.EditActivity"

app/src/main/java/be/bitscuit/calendar/Activities/AboutActivity.java

@@ -0,0 +1,78 @@
+/*
+ * Copyright (C) 2021 Thomas Van Acker
+ *
+ * This program is free software: you can redistribute it and/or modify it under
+ * the terms of the GNU General Public License as published by the Free Software
+ * Foundation, either version 3 of the License, or (at your option) any later
+ * version.
+ *
+ * This program is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
+ * FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along with
+ * this program. If not, see <https://www.gnu.org/licenses/>.
+ */
+
+package be.bitscuit.calendar.Activities;
+
+import androidx.appcompat.app.ActionBar;
+import androidx.appcompat.app.AppCompatActivity;
+import androidx.appcompat.widget.Toolbar;
+
+import android.app.AlertDialog;
+import android.content.DialogInterface;
+import android.os.Bundle;
+import android.view.MenuItem;
+import android.widget.TextView;
+
+import be.bitscuit.calendar.BuildConfig;
+import be.bitscuit.calendar.R;
+import be.bitscuit.calendar.Util.TaskData;
+import be.bitscuit.calendar.Util.Util;
+
+public class AboutActivity extends AppCompatActivity {
+
+    private Toolbar toolbar;
+    private TextView textVersion;
+
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        setContentView(R.layout.activity_about);
+
+        //Set toolbar
+        toolbar = findViewById(R.id.about_toolbar);
+        setSupportActionBar(toolbar);
+        setTitle("About");
+        ActionBar actionBar = getSupportActionBar();
+        actionBar.setDisplayHomeAsUpEnabled(true);
+
+        // Init views
+        textVersion = findViewById(R.id.about_text_version);
+
+        // Set views
+        textVersion.setText("Version: "+ BuildConfig.VERSION_NAME +"\nBuild: "+BuildConfig.VERSION_CODE);
+
+    }
+
+
+    @Override
+    public boolean onOptionsItemSelected(MenuItem item) {
+        switch (item.getItemId()) {
+
+            case android.R.id.home:
+                onBackPressed();
+                return true;
+
+            default:
+                return super.onOptionsItemSelected(item);
+        }
+    }
+
+    @Override
+    public void onBackPressed() {
+        //Close activity
+        this.finish();
+    }
+}

app/src/main/java/be/bitscuit/calendar/Activities/MainActivity.java

@@ -157,6 +157,11 @@ public class MainActivity extends AppCompatActivity
                 startActivity(intent);
                 return true;
 
+            case R.id.main_menu_about:
+                Intent i = new Intent(this, AboutActivity.class);
+                startActivity(i);
+                return true;
+
             case R.id.main_menu_date:
                 //Show date picker
                 DialogFragment fragment = new DatePickerFragment(this);

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

@@ -0,0 +1,112 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+  ~ Copyright (C) 2021 Thomas Van Acker
+  ~
+  ~ This program is free software: you can redistribute it and/or modify it under
+  ~ the terms of the GNU General Public License as published by the Free Software
+  ~ Foundation, either version 3 of the License, or (at your option) any later
+  ~ version.
+  ~
+  ~ This program is distributed in the hope that it will be useful, but WITHOUT
+  ~ ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
+  ~ FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.
+  ~
+  ~ You should have received a copy of the GNU General Public License along with
+  ~ this program. If not, see <https://www.gnu.org/licenses/>.
+  -->
+
+<androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    xmlns:tools="http://schemas.android.com/tools"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    tools:context=".Activities.AboutActivity">
+
+
+    <androidx.appcompat.widget.Toolbar
+        android:id="@+id/about_toolbar"
+        android:layout_width="match_parent"
+        android:layout_height="?attr/actionBarSize"
+        android:background="?attr/colorPrimary"
+        android:elevation="4dp"
+        android:theme="@style/ThemeOverlay.AppCompat.Dark.ActionBar"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toTopOf="parent"
+        app:popupTheme="@style/ThemeOverlay.AppCompat.Light" />
+
+    <TextView
+        android:id="@+id/about_text_title"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_marginStart="8dp"
+        android:layout_marginLeft="8dp"
+        android:layout_marginTop="16dp"
+        android:layout_marginEnd="8dp"
+        android:layout_marginRight="8dp"
+        android:text="Calendar"
+        android:textSize="24sp"
+        android:textStyle="bold"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toBottomOf="@+id/about_toolbar" />
+
+    <TextView
+        android:id="@+id/about_text_subtitle"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_marginStart="8dp"
+        android:layout_marginLeft="8dp"
+        android:layout_marginEnd="8dp"
+        android:layout_marginRight="8dp"
+        android:text="A Simple, Open Source Calendar App"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toBottomOf="@+id/about_text_title" />
+
+    <TextView
+        android:id="@+id/about_text_version"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_marginStart="8dp"
+        android:layout_marginLeft="8dp"
+        android:layout_marginTop="24dp"
+        android:layout_marginEnd="8dp"
+        android:layout_marginRight="8dp"
+        android:gravity="center_horizontal"
+        android:text="Version x\nBuild x"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toBottomOf="@+id/about_text_subtitle" />
+
+    <TextView
+        android:id="@+id/about_text_copyright"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_marginStart="8dp"
+        android:layout_marginLeft="8dp"
+        android:layout_marginTop="24dp"
+        android:layout_marginEnd="8dp"
+        android:layout_marginRight="8dp"
+        android:text="Copyright 2021 Thomas Van Acker"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toBottomOf="@+id/about_text_version" />
+
+    <TextView
+        android:id="@+id/about_text_git"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_marginStart="8dp"
+        android:layout_marginLeft="8dp"
+        android:layout_marginTop="24dp"
+        android:layout_marginEnd="8dp"
+        android:layout_marginRight="8dp"
+        android:gravity="center_horizontal"
+        android:text="This project is hosted on Gitscuit:\nhttps://git.bitscuit.be/bitscuit/Calendar"
+        android:autoLink="web"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toBottomOf="@+id/about_text_copyright" />
+
+</androidx.constraintlayout.widget.ConstraintLayout>

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

@@ -116,21 +116,6 @@
         app:layout_constraintStart_toEndOf="@+id/settings_label_overview_time"
         app:layout_constraintTop_toBottomOf="@+id/settings_switch_overview" />
 
-    <TextView
-        android:id="@+id/settings_text_copyright"
-        android:layout_width="0dp"
-        android:layout_height="wrap_content"
-        android:layout_marginStart="8dp"
-        android:layout_marginLeft="8dp"
-        android:layout_marginEnd="8dp"
-        android:layout_marginRight="8dp"
-        android:layout_marginBottom="8dp"
-        android:gravity="center"
-        android:text="Copyright 2021 Thomas Van Acker"
-        app:layout_constraintBottom_toBottomOf="parent"
-        app:layout_constraintEnd_toEndOf="parent"
-        app:layout_constraintStart_toStartOf="parent" />
-
     <Button
         android:id="@+id/settings_button_backup_create"
         android:layout_width="wrap_content"

app/src/main/res/menu/menu_main.xml

@@ -18,4 +18,8 @@
         android:title="Settings"
         app:showAsAction="never"/>
 
+    <item android:id="@+id/main_menu_about"
+        android:title="About"
+        app:showAsAction="never"/>
+
 </menu>