Added option to share your favorite manga (#477)

app/src/main/java/eu/kanade/tachiyomi/data/source/online/OnlineSource.kt

@@ -192,7 +192,7 @@ abstract class OnlineSource(context: Context) : Source {
      *
      * @param manga the manga to be updated.
      */
-    open protected fun mangaDetailsRequest(manga: Manga): Request {
+    open fun mangaDetailsRequest(manga: Manga): Request {
         return GET(baseUrl + manga.url, headers)
     }
 

app/src/main/java/eu/kanade/tachiyomi/ui/manga/info/MangaInfoFragment.kt

@@ -1,5 +1,6 @@
 package eu.kanade.tachiyomi.ui.manga.info
 
+import android.content.Intent
 import android.net.Uri
 import android.os.Bundle
 import android.support.customtabs.CustomTabsIntent
@@ -59,6 +60,7 @@ class MangaInfoFragment : BaseRxFragment<MangaInfoPresenter>() {
     override fun onOptionsItemSelected(item: MenuItem): Boolean {
         when (item.itemId) {
             R.id.action_open_in_browser -> openInBrowser()
+            R.id.action_share -> shareManga()
             else -> return super.onOptionsItemSelected(item)
         }
         return true
@@ -158,6 +160,24 @@ class MangaInfoFragment : BaseRxFragment<MangaInfoPresenter>() {
         }
     }
 
+    /**
+     * Called to run Intent with [Intent.ACTION_SEND], which show share dialog.
+     */
+    private fun shareManga() {
+        val source = presenter.source as? OnlineSource ?: return
+        try {
+            val url = source.mangaDetailsRequest(presenter.manga).url().toString()
+            val sharingIntent = Intent(Intent.ACTION_SEND).apply {
+                type = "text/plain"
+                putExtra(android.content.Intent.EXTRA_SUBJECT, presenter.manga.title)
+                putExtra(android.content.Intent.EXTRA_TEXT, resources.getString(R.string.share_text, presenter.manga.title, url))
+            }
+            startActivity(Intent.createChooser(sharingIntent, resources.getText(R.string.share_subject)))
+        } catch (e: Exception) {
+            context.toast(e.message)
+        }
+    }
+
     /**
      * Update FAB with correct drawable.
      *

app/src/main/java/eu/kanade/tachiyomi/ui/manga/info/MangaInfoPresenter.kt

@@ -128,5 +128,4 @@ class MangaInfoPresenter : BasePresenter<MangaInfoFragment>() {
     private fun refreshManga() {
         start(GET_MANGA)
     }
-
 }

app/src/main/res/drawable/ic_share_white_24dp.xml

@@ -0,0 +1,9 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="24dp"
+    android:height="24dp"
+    android:viewportHeight="24.0"
+    android:viewportWidth="24.0">
+    <path
+        android:fillColor="#FFFFFFFF"
+        android:pathData="M18,16.08c-0.76,0 -1.44,0.3 -1.96,0.77L8.91,12.7c0.05,-0.23 0.09,-0.46 0.09,-0.7s-0.04,-0.47 -0.09,-0.7l7.05,-4.11c0.54,0.5 1.25,0.81 2.04,0.81 1.66,0 3,-1.34 3,-3s-1.34,-3 -3,-3 -3,1.34 -3,3c0,0.24 0.04,0.47 0.09,0.7L8.04,9.81C7.5,9.31 6.79,9 6,9c-1.66,0 -3,1.34 -3,3s1.34,3 3,3c0.79,0 1.5,-0.31 2.04,-0.81l7.12,4.16c-0.05,0.21 -0.08,0.43 -0.08,0.65 0,1.61 1.31,2.92 2.92,2.92 1.61,0 2.92,-1.31 2.92,-2.92s-1.31,-2.92 -2.92,-2.92z" />
+</vector>

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

@@ -2,6 +2,12 @@
 <menu xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:app="http://schemas.android.com/apk/res-auto">
 
+    <item
+        android:id="@+id/action_share"
+        android:icon="@drawable/ic_share_white_24dp"
+        android:title="@string/action_share"
+        app:showAsAction="ifRoom" />
+
     <item android:id="@+id/action_open_in_browser"
         android:title="@string/action_open_in_browser"
         app:showAsAction="never"/>

app/src/main/res/values/strings.xml

@@ -56,6 +56,7 @@
     <string name="action_cancel">Cancel</string>
     <string name="action_sort">Sort</string>
     <string name="action_install">Install</string>
+    <string name="action_share">Share</string>
 
     <!-- Operations -->
     <string name="deleting">Deleting…</string>
@@ -222,6 +223,8 @@
     <string name="manga_info_status_label">Status</string>
     <string name="manga_info_source_label">Source</string>
     <string name="manga_info_genres_label">Genres</string>
+    <string name="share_subject">Share…</string>
+    <string name="share_text">Check out %1$s! at %2$s</string>
 
     <!-- Manga chapters fragment -->
     <string name="manga_chapters_tab">Chapters</string>