[Mobile] Configured Kotlin. Converted three classes to Kotlin: Messag…

…ingService, NewsActivity, NotifyTimeActivity.

build.gradle

@@ -1,6 +1,7 @@
 // Top-level build file where you can add configuration options common to all sub-projects/modules.
 
 buildscript {
+    ext.kotlin_version = '1.3.61'
     repositories {
         google()
         jcenter()
@@ -13,8 +14,12 @@ buildscript {
         }
     }
     dependencies {
+        // Gradle
         classpath 'com.android.tools.build:gradle:3.5.2'
 
+        // Kotlin
+        classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version"
+
         // Firebase
         classpath 'com.google.gms:google-services:4.3.3'
 

mobile/build.gradle

@@ -1,6 +1,8 @@
 import java.text.SimpleDateFormat
 
 apply plugin: 'com.android.application'
+apply plugin: 'kotlin-android-extensions'
+apply plugin: 'kotlin-android'
 apply plugin: 'io.fabric'
 apply plugin: 'com.google.firebase.firebase-perf'
 
@@ -50,10 +52,15 @@ dependencies {
     implementation 'com.google.firebase:firebase-perf:19.0.2'
     implementation 'com.google.android.gms:play-services-location:17.0.0'
     implementation 'pub.devrel:easypermissions:3.0.0'
+    implementation "androidx.core:core-ktx:+"
+    implementation "org.jetbrains.kotlin:kotlin-stdlib-jdk7:$kotlin_version"
 }
 
 // Firebase
 apply plugin: 'com.google.gms.google-services'
+repositories {
+    mavenCentral()
+}
 
 private Integer generateVersionCode() {
     project.versionCode

mobile/src/main/java/org/thecosmicfrog/luasataglance/activity/NewsActivity.kt

@@ -0,0 +1,93 @@
+/**
+ * @author Aaron Hastings
+ *
+ * Copyright 2015-2019 Aaron Hastings
+ *
+ * This file is part of Luas at a Glance.
+ *
+ * Luas at a Glance 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.
+ *
+ * Luas at a Glance 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 Luas at a Glance.  If not, see <http:></http:>//www.gnu.org/licenses/>.
+ */
+package org.thecosmicfrog.luasataglance.activity
+
+import android.graphics.drawable.ColorDrawable
+import android.os.Build
+import android.os.Bundle
+import android.view.WindowManager
+import android.webkit.WebSettings
+import android.webkit.WebView
+import android.webkit.WebViewClient
+import androidx.appcompat.app.AppCompatActivity
+import androidx.core.content.ContextCompat
+import org.thecosmicfrog.luasataglance.R
+import org.thecosmicfrog.luasataglance.util.Constant
+
+class NewsActivity : AppCompatActivity() {
+
+    override fun onCreate(savedInstanceState: Bundle?) {
+        super.onCreate(savedInstanceState)
+
+        val urlNews = "https://luas.ie/news/"
+        val urlTravelUpdates = "https://luas.ie/travel-updates/"
+
+        setContentView(R.layout.activity_news)
+
+        /*
+         * Set ActionBar colour.
+         */
+        supportActionBar!!.setBackgroundDrawable(
+                ColorDrawable(
+                        ContextCompat.getColor(application, R.color.luas_purple)
+                )
+        )
+
+        /*
+         * Set status bar colour.
+         */
+        if (Build.VERSION.SDK_INT >= 21) {
+            val window = window
+
+            window.addFlags(WindowManager.LayoutParams.FLAG_DRAWS_SYSTEM_BAR_BACKGROUNDS)
+            window.clearFlags(WindowManager.LayoutParams.FLAG_TRANSLUCENT_STATUS)
+            window.statusBarColor = ContextCompat.getColor(
+                    applicationContext,
+                    R.color.luas_purple_statusbar
+            )
+        }
+
+        /*
+         * Create a new WebView and explicitly set the WebViewClient. Otherwise, an external
+         * browser is liable to open.
+         * Ensure the information is fresh by using no app or web browser cache.
+         */
+        val webViewNews = findViewById<WebView>(R.id.webview_news)
+
+        webViewNews.settings.setAppCacheEnabled(false)
+        webViewNews.settings.cacheMode = WebSettings.LOAD_NO_CACHE
+        webViewNews.webViewClient = WebViewClient()
+
+        /*
+         * Load either the "Travel Updates" or "News" section of the Luas mobile website.
+         */
+        if (intent.hasExtra(Constant.NEWS_TYPE)) {
+            if (intent.getStringExtra(Constant.NEWS_TYPE) == Constant.NEWS_TYPE_TRAVEL_UPDATES) {
+                title = getString(R.string.title_activity_news_travel_updates)
+                webViewNews.loadUrl(urlTravelUpdates)
+            } else {
+                title = getString(R.string.title_activity_news_luas_news)
+                webViewNews.loadUrl(urlNews)
+            }
+        }
+    }
+}
+