Added ability to share multiple songs

app/src/main/java/code/name/monkey/retromusic/dialogs/SongShareDialog.kt

@@ -60,8 +60,7 @@ class SongShareDialog : DialogFragment() {
             0 -> {
                 startActivity(Intent.createChooser(song?.let {
                     MusicUtil.createShareSongFileIntent(
-                        it,
+                        requireContext(), it
-                        requireContext()
                     )
                 }, null))
             }

app/src/main/java/code/name/monkey/retromusic/helper/menu/SongMenuHelper.kt

@@ -64,7 +64,7 @@ object SongMenuHelper : KoinComponent {
             R.id.action_share -> {
                 activity.startActivity(
                     Intent.createChooser(
-                        MusicUtil.createShareSongFileIntent(song, activity),
+                        MusicUtil.createShareSongFileIntent(activity, song),
                         null
                     )
                 )

app/src/main/java/code/name/monkey/retromusic/helper/menu/SongsMenuHelper.kt

@@ -14,6 +14,7 @@
  */
 package code.name.monkey.retromusic.helper.menu
 
+import android.content.Intent
 import androidx.fragment.app.FragmentActivity
 import code.name.monkey.retromusic.R
 import code.name.monkey.retromusic.dialogs.AddToPlaylistDialog
@@ -21,6 +22,7 @@ import code.name.monkey.retromusic.dialogs.DeleteSongsDialog
 import code.name.monkey.retromusic.helper.MusicPlayerRemote
 import code.name.monkey.retromusic.model.Song
 import code.name.monkey.retromusic.repository.RealRepository
+import code.name.monkey.retromusic.util.MusicUtil
 import kotlinx.coroutines.CoroutineScope
 import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.launch
@@ -53,6 +55,15 @@ object SongsMenuHelper : KoinComponent {
                 }
                 return true
             }
+            R.id.action_share -> {
+                activity.startActivity(
+                    Intent.createChooser(
+                        MusicUtil.createShareMultipleSongIntent(activity, songs),
+                        null
+                    )
+                )
+                return true
+            }
             R.id.action_delete_from_device -> {
                 DeleteSongsDialog.create(songs)
                     .show(activity.supportFragmentManager, "DELETE_SONGS")

app/src/main/java/code/name/monkey/retromusic/util/MusicUtil.kt

@@ -41,23 +41,49 @@ import java.util.regex.Pattern
 
 
 object MusicUtil : KoinComponent {
-    fun createShareSongFileIntent(song: Song, context: Context): Intent {
+    fun createShareSongFileIntent(context: Context, song: Song): Intent {
         return Intent().apply {
             action = Intent.ACTION_SEND
-            putExtra(Intent.EXTRA_STREAM, try {
+            putExtra(
-                FileProvider.getUriForFile(
+                Intent.EXTRA_STREAM, try {
-                    context,
+                    FileProvider.getUriForFile(
-                    context.applicationContext.packageName,
+                        context,
-                    File(song.data)
+                        context.applicationContext.packageName,
-                )
+                        File(song.data)
-            } catch (e: IllegalArgumentException) {
+                    )
-                getSongFileUri(song.id)
+                } catch (e: IllegalArgumentException) {
-            })
+                    getSongFileUri(song.id)
+                }
+            )
             addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION)
             type = "audio/*"
         }
     }
 
+    fun createShareMultipleSongIntent(context: Context, songs: List<Song>): Intent {
+        return Intent().apply {
+            action = Intent.ACTION_SEND_MULTIPLE
+            type = "audio/*"
+
+            val files = ArrayList<Uri>()
+
+            for (song in songs) {
+                files.add(
+                    try {
+                        FileProvider.getUriForFile(
+                            context,
+                            context.applicationContext.packageName,
+                            File(song.data)
+                        )
+                    } catch (e: IllegalArgumentException) {
+                        getSongFileUri(song.id)
+                    }
+                )
+            }
+            putParcelableArrayListExtra(Intent.EXTRA_STREAM, files)
+        }
+    }
+
     fun buildInfoString(string1: String?, string2: String?): String {
         if (string1.isNullOrEmpty()) {
             return if (string2.isNullOrEmpty()) "" else string2

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

@@ -20,6 +20,12 @@
         android:title="@string/action_add_to_playlist"
         app:showAsAction="ifRoom" />
 
+    <item
+        android:id="@+id/action_share"
+        android:icon="@drawable/ic_share"
+        android:title="@string/action_share"
+        app:showAsAction="ifRoom" />
+
     <item
         android:id="@+id/action_delete_from_device"
         android:icon="@drawable/ic_delete"