catch libvlc options IllegalStateException

application/resources/src/main/res/values/strings.xml

@@ -481,6 +481,7 @@
     <string name="dump_logcat_success">Logcat successfully dumped to %1$s!</string>
     <string name="dump_logcat_failure">Failed to dump logcat.</string>
     <string name="custom_libvlc_options">Custom libVLC options</string>
+    <string name="custom_libvlc_options_invalid">Invalid libVLC options!</string>
 
     <string name="serious_crash">Unfortunately, a serious error has occurred and VLC had to close.</string>
     <string name="help_us_send_log">Help us improving VLC by sending the following crash log:</string>

application/television/src/main/java/org/videolan/television/ui/preferences/PreferencesAdvanced.kt

@@ -39,6 +39,7 @@ import kotlinx.coroutines.*
 import org.videolan.medialibrary.interfaces.Medialibrary
 import org.videolan.resources.AndroidDevices
 import org.videolan.resources.VLCInstance
+import org.videolan.tools.putSingle
 import org.videolan.vlc.BuildConfig
 import org.videolan.vlc.R
 import org.videolan.vlc.gui.DebugLogActivity
@@ -114,7 +115,7 @@ class PreferencesAdvanced : BasePreferenceFragment(), SharedPreferences.OnShared
             }
             "dump_media_db" -> {
                 if (Medialibrary.getInstance().isWorking)
-                    UiTools.snacker(view!!, getString(R.string.settings_ml_block_scan))
+                    activity?.let { Toast.makeText(it, R.string.settings_ml_block_scan, Toast.LENGTH_LONG).show() }
                 else {
                     val dst = File(AndroidDevices.EXTERNAL_PUBLIC_DIRECTORY + Medialibrary.VLC_MEDIA_DB_NAME)
                     launch {
@@ -144,15 +145,25 @@ class PreferencesAdvanced : BasePreferenceFragment(), SharedPreferences.OnShared
                     editor.putInt("network_caching_value", 0)
                     val networkCachingPref = findPreference<EditTextPreference>(key)
                     networkCachingPref?.text = ""
-                    Toast.makeText(activity, R.string.network_caching_popup, Toast.LENGTH_SHORT).show()
+                    activity?.let { Toast.makeText(it, R.string.network_caching_popup, Toast.LENGTH_SHORT).show() }
                 }
 
                 editor.apply()
                 VLCInstance.restart()
                 (activity as? PreferencesActivity)?.restartMediaPlayer()
             }
+            "custom_libvlc_options" -> {
+                try {
+                    VLCInstance.restart()
+                } catch (e: IllegalStateException){
+                    activity?.let { Toast.makeText(it, R.string.custom_libvlc_options_invalid, Toast.LENGTH_LONG).show() }
+                    sharedPreferences.putSingle("custom_libvlc_options", "")
+                } finally {
+                    (activity as? PreferencesActivity)?.restartMediaPlayer()
+                }
+            }
             // No break because need VLCInstance.restart();
-            "opengl", "chroma_format", "custom_libvlc_options", "deblocking", "enable_frame_skip", "enable_time_stretching_audio", "enable_verbose_mode" -> {
+            "opengl", "chroma_format", "deblocking", "enable_frame_skip", "enable_time_stretching_audio", "enable_verbose_mode" -> {
                 VLCInstance.restart()
                 (activity as? PreferencesActivity)?.restartMediaPlayer()
             }

application/vlc-android/src/org/videolan/vlc/gui/preferences/PreferencesAdvanced.kt

@@ -37,6 +37,7 @@ import kotlinx.coroutines.*
 import org.videolan.medialibrary.interfaces.Medialibrary
 import org.videolan.resources.AndroidDevices
 import org.videolan.resources.VLCInstance
+import org.videolan.tools.putSingle
 import org.videolan.vlc.BuildConfig
 import org.videolan.vlc.R
 import org.videolan.vlc.gui.DebugLogActivity
@@ -141,14 +142,23 @@ class PreferencesAdvanced : BasePreferenceFragment(), SharedPreferences.OnShared
                     networkCachingPref?.text = ""
                     UiTools.snacker(view!!, R.string.network_caching_popup)
                 }
-
                 editor.apply()
                 VLCInstance.restart()
-                if (activity != null)
-                    (activity as PreferencesActivity).restartMediaPlayer()
+                (activity as? PreferencesActivity)?.restartMediaPlayer()
             }
             // No break because need VLCInstance.restart();
-            "opengl", "chroma_format", "custom_libvlc_options", "deblocking", "enable_frame_skip", "enable_time_stretching_audio", "enable_verbose_mode" -> {
+            "custom_libvlc_options" -> {
+                try {
+                    VLCInstance.restart()
+                } catch (e: IllegalStateException){
+                    view?.let { UiTools.snacker(it, R.string.custom_libvlc_options_invalid) }
+                    sharedPreferences.putSingle("custom_libvlc_options", "")
+                } finally {
+                    (activity as? PreferencesActivity)?.restartMediaPlayer()
+                }
+
+            }
+            "opengl", "chroma_format", "deblocking", "enable_frame_skip", "enable_time_stretching_audio", "enable_verbose_mode" -> {
                 VLCInstance.restart()
                 (activity as? PreferencesActivity)?.restartMediaPlayer()
             }