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Code Issues Pull Requests Releases Wiki Activity

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

remotes/origin/devel
yattoz 2019-12-08 13:27:55 +01:00
parent 122970f015
commit 99961e8a4e
5 changed files with 58 additions and 8 deletions
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5
app/build.gradle
View File

@ -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"

1
app/src/main/java/fr/forum_thalie/tsumugi/ui/news/News.kt
View File

@ -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

11
app/src/main/java/fr/forum_thalie/tsumugi/ui/news/NewsAdapter.kt
View File

@ -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}"

2
app/src/main/java/fr/forum_thalie/tsumugi/ui/news/NewsFragment.kt
View File

@ -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

47
app/src/main/java/fr/forum_thalie/tsumugi/ui/news/NewsViewModel.kt
View File

@ -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 = {
root?.isRefreshing = false
viewAdapter?.notifyDataSetChanged()
val maxNumberOfArticles = 5
coroutineScope.launch(Dispatchers.Main) {
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)
}
}