require the READ_EXTERNAL_STORAGE on every device, for fetching playlists

app/src/main/AndroidManifest.xml

@@ -7,6 +7,7 @@
 
     <uses-permission android:name="android.permission.WAKE_LOCK"/>
     <uses-permission android:name="android.permission.FOREGROUND_SERVICE"/>
+    <uses-permission android:name="android.permission.READ_EXTERNAL_STORAGE"/>
     <uses-permission
         android:name="android.permission.WRITE_EXTERNAL_STORAGE"
         android:maxSdkVersion="28" />

app/src/main/kotlin/com/simplemobiletools/musicplayer/activities/MainActivity.kt

@@ -66,7 +66,14 @@ class MainActivity : SimpleActivity(), MainActivityInterface {
                 }
             }
         } else {
-            initActivity()
+            handlePermission(PERMISSION_READ_STORAGE) {
+                if (it) {
+                    initActivity()
+                } else {
+                    toast(R.string.no_storage_permissions)
+                    finish()
+                }
+            }
         }
 
         volumeControlStream = AudioManager.STREAM_MUSIC