If the downloading process was halted in between, then you might encounter an issue like this.

If the video is already saved on your Android phone and you are still able to play it, then you can consider the following suggestions to fix the video playback error on Android. Part 2: How to Fix Offline Videos Not Playing on Android (for Downloaded Youtube Videos)

If the video has been shot on your phone, then some changes in its settings or encoding could have made the video unsupported.Chances are that the SD card where your video has been stored could be corrupted as well.The file might not be compatible with your Android phone or the media player you are using.There can be issues with the syncing of its video or audio component.The header of the video file could be missing or corrupted.The video could not be downloaded properly from its source.Exception DetailsĪ$OnUnhandledKeyEventListener Copy stack to clipboardįailed to load AppCompat ActionBar with unknown error.Īs always any help would be greatly appreciated. Is an unexpected error you can also try to build the project, then Views to skip code or show sample data when shown in the IDE. 7.app.WindowDecorActionBar (Open Class, Show Exception, Clear Cache) Tip: Use View.isInEditMode() in your custom 7.widget.ActionBarContextView (Open Class, Show Exception, Clear Cache) 7.widget.ActionBarContainer (Open Class, Show Exception, Clear Cache)

The following classes could not be instantiated: I have tried changing the Theme to the Theme Thats in my style tag which is DarkActionBAr but all it does is then gives me the following error: My problem now is that it works but no matter what I do when I first start an app I HAVE to add base to the beginning of the style name mentioned above and I also cannot see the ACTUAL theme I am working on in the app preview section. Originally it was (As you can see without the Base tag): After coming on here it was advised to add base in front of the path name inside of the android manifest style tag like so: Recently I opened android studio to find that the App preview was not working at all.

Android studio preview not a phone