added RSS parser and simple news reader. Clicking on title opens website

app/build.gradle

@@ -69,12 +69,15 @@ dependencies {
     implementation 'androidx.lifecycle:lifecycle-extensions:2.1.0'
     implementation 'androidx.lifecycle:lifecycle-viewmodel-ktx:2.1.0'
 
-    implementation 'androidx.recyclerview:recyclerview:1.0.0'
+    implementation 'androidx.recyclerview:recyclerview:1.1.0'
     implementation 'androidx.preference:preference:1.1.0'
 
     // jsoup HTML parser library @ https://jsoup.org/
     // implementation 'org.jsoup:jsoup:1.12.1'
 
+    // RSS parser library @ https://github.com/prof18/RSS-Parser
+    implementation 'com.prof.rssparser:rssparser:2.0.4'
+
     def work_version = "2.2.0"
     implementation "androidx.work:work-runtime-ktx:$work_version"
 

app/src/main/java/fr/forum_thalie/tsumugi/ui/news/News.kt

@@ -7,6 +7,7 @@ class News {
     var text: String = ""
     var header: String = ""
     var author: String = ""
+    var link: String = ""
     var date: Date = Date()
 
     override fun toString() : String

app/src/main/java/fr/forum_thalie/tsumugi/ui/news/NewsAdapter.kt

@@ -1,17 +1,21 @@
 package fr.forum_thalie.tsumugi.ui.news
 
 import android.annotation.SuppressLint
+import android.content.Context
+import android.content.Intent
+import android.net.Uri
 import android.widget.TextView
 import android.view.LayoutInflater
 import android.view.ViewGroup
 import androidx.constraintlayout.widget.ConstraintLayout
+import androidx.core.content.ContextCompat.startActivity
 import androidx.core.text.HtmlCompat
 import androidx.core.widget.TextViewCompat
 import androidx.recyclerview.widget.RecyclerView
 import fr.forum_thalie.tsumugi.R
 import kotlin.collections.ArrayList
 
-class NewsAdapter(private val dataSet: ArrayList<News>
+class NewsAdapter(private val dataSet: ArrayList<News>, private val c: Context
     /*,
     context: Context,
     resource: Int,
@@ -45,6 +49,11 @@ class NewsAdapter(private val dataSet: ArrayList<News>
         val author = holder.itemView.findViewById<TextView>(R.id.news_author)
         val header = holder.itemView.findViewById<TextView>(R.id.news_header)
         title.text = dataSet[position].title
+        title.setOnClickListener {
+            val i = Intent(Intent.ACTION_VIEW)
+            i.data = Uri.parse(dataSet[position].link)
+            c.startActivity(i)
+        }
         text.text = HtmlCompat.fromHtml(dataSet[position].text, HtmlCompat.FROM_HTML_MODE_LEGACY)
         header.text = HtmlCompat.fromHtml(dataSet[position].header, HtmlCompat.FROM_HTML_MODE_LEGACY).replace(Regex("\n"), " ")
         author.text = "| ${dataSet[position].author}"

app/src/main/java/fr/forum_thalie/tsumugi/ui/news/NewsFragment.kt

@@ -29,7 +29,7 @@ class NewsFragment : Fragment() {
         val root = inflater.inflate(R.layout.fragment_news, container, false) as androidx.swiperefreshlayout.widget.SwipeRefreshLayout
 
         viewManager = LinearLayoutManager(context)
-        viewAdapter = NewsAdapter(newsViewModel.newsArray)
+        viewAdapter = NewsAdapter(newsViewModel.newsArray, context!!)
         recyclerView = root.findViewById<RecyclerView>(R.id.news_recycler).apply {
             // use this setting to improve performance if you know that changes
             // in content do not change the layout size of the RecyclerView

app/src/main/java/fr/forum_thalie/tsumugi/ui/news/NewsViewModel.kt

@@ -3,21 +3,28 @@ package fr.forum_thalie.tsumugi.ui.news
 import android.util.Log
 import androidx.lifecycle.ViewModel
 import androidx.recyclerview.widget.RecyclerView
+import com.prof.rssparser.Parser
 import fr.forum_thalie.tsumugi.Async
 import fr.forum_thalie.tsumugi.tag
+import kotlinx.coroutines.CoroutineScope
+import kotlinx.coroutines.Dispatchers
+import kotlinx.coroutines.Job
+import kotlinx.coroutines.launch
 import org.json.JSONArray
 import org.json.JSONObject
 import java.net.URL
 import java.text.SimpleDateFormat
 import java.util.*
 import kotlin.collections.ArrayList
+import kotlin.math.max
+import kotlin.math.min
 
 
 class NewsViewModel : ViewModel() {
 
     val newsArray : ArrayList<News> = ArrayList()
 
-    private val urlToScrape = "https://r-a-d.io/api/news"
+    private val urlToScrape = "https://tsumugi.forum-thalie.fr/?feed=rss2"
 
     private val scrape : (Any?) -> Unit =
     {
@@ -41,12 +48,42 @@ class NewsViewModel : ViewModel() {
         }
     }
 
+    private val viewModelJob = Job()
+    private val coroutineScope = CoroutineScope(Dispatchers.Main + viewModelJob)
+
     fun fetch(root: androidx.swiperefreshlayout.widget.SwipeRefreshLayout? = null, viewAdapter: RecyclerView.Adapter<*>? = null)
     {
-        val post : (parameter: Any?) -> Unit = {
+        val maxNumberOfArticles = 5
-            root?.isRefreshing = false
+        coroutineScope.launch(Dispatchers.Main) {
-            viewAdapter?.notifyDataSetChanged()
+            Log.d(tag, "launching coroutine")
+            try {
+                val parser = Parser()
+                val articleList = parser.getArticles(urlToScrape)
+                newsArray.clear()
+                for (i in 0 until min(articleList.size, maxNumberOfArticles))
+                {
+                    val item = articleList[i]
+                    Log.d(tag, "i = $i / ${articleList.size}")
+                    val news = News()
+                    news.title = item.title ?: ""
+                    news.link = item.link ?: urlToScrape
+                    news.author = item.author ?: ""
+                    news.text = item.content ?: ""
+                    news.header = item.description ?: ""
+
+                    //val formatter6 = SimpleDateFormat("yyyy-MM-dd HH:mm:ss", Locale.getDefault())
+
+                    //news.date = formatter6.parse(item.pubDate ?: Date().toString()) ?: Date()
+
+                    Log.d(tag, "$news - ${item.pubDate}")
+                    newsArray.add(news)
+                }
+                // The list contains all article's data. For example you can use it for your adapter.
+                root?.isRefreshing = false
+                viewAdapter?.notifyDataSetChanged()
+            } catch (e: Exception) {
+                // Handle the exception
+            }
         }
-        Async(scrape, post)
     }
 }