I have tried this for video.Record3(...) and it fails.
What I have done:
1. In my Manifest
	
	
	
	
	
	
	
		
			
			
			
			
			
		
	
	
	
		
	
	
		
	
2. I have FileProvider v1.0 added to the project
3. In Starter,
	
	
	
	
	
	
	
		
			
			
			
			
			
		
	
	
	
		
	
	
		
	
4. I use the following code
	
	
	
	
	
	
	
		
			
			
			
			
			
		
	
	
	
		
	
	
		
	
I get the following error
	
	
	
	
	
	
	
		
			
			
			
			
			
		
	
	
	
		
	
	
		
	
I have also tried
	
	
	
	
	
	
	
		
			
			
			
			
			
		
	
	
	
		
	
	
		
	
The error is similar.
I currently use this same code for recording audio and using the file Chooser and it works file.
			
			What I have done:
1. In my Manifest
			
				B4X:
			
		
		
		AddApplicationText(
  <provider
  android:name="android.support.v4.content.FileProvider"
  android:authorities="$PACKAGE$.provider"
  android:exported="false"
  android:grantUriPermissions="true">
  <meta-data
  android:name="android.support.FILE_PROVIDER_PATHS"
  android:resource="@xml/provider_paths"/>
  </provider>
)
CreateResource(xml, provider_paths,
   <external-files-path name="name" path="shared" /> 
)2. I have FileProvider v1.0 added to the project
3. In Starter,
			
				B4X:
			
		
		
		Provider.Initialze
			
				B4X:
			
		
		
		Dim folder As String = Starter.Provider.SharedFolder
Dim FileName As String = "1.mp4"
'videoRecorder initialised elsewhere
videoRecorder.Record3(folder, FileName, -1, Starter.Provider.GetFileUri(File.Combine(folder, FileName)))I get the following error
			
				B4X:
			
		
		
		** Activity (main) Pause, UserClosed = false **
** Activity (homeactivity) Create, isFirst = true **
** Activity (homeactivity) Resume **
geolocationmanager started
*** Service (httputils2service) Create ***
** Service (httputils2service) Start **
FusedLocationProvider1_ConnectionSuccess
(Location) Location[fused 65.966700,-18.533300 acc=4 et=+40m22s373ms alt=15.04444408 {Bundle[mParcelledData.dataSize=52]}]
FusedLocationProvider1_LocationChanged
[GeoCodeInfo=(MyMap) {address_components=[{long_name=13, short_name=13, types=[street_number]}, {long_name=Sunnubraut, short_name=Sunnubraut, types=[route]}, {long_name=Dalvík, short_name=Dalvík, types=[locality, political]}, {long_name=Iceland, short_name=IS, types=[country, political]}], formatted_address=Sunnubraut 13, Dalvík, Iceland, geometry={location={lat=65.9678782, lng=-18.5373444}, location_type=ROOFTOP, viewport={northeast={lat=65.96922718029151, lng=-18.5359954197085}, southwest={lat=65.9665292197085, lng=-18.5386933802915}}}, place_id=ChIJsa_AHMi-0kgRn6RJ1HlXnVQ, plus_code={compound_code=XF97+53 Dalvik, Iceland, global_code=9CQ3XF97+53}, types=[street_address]}, IsInitialized=false, Latitude=65.9667
, Location=Sunnubraut 13, Dalvík, Iceland, LocationOk=true, Longitude=-18.5333
]
registerdevice -> {
  "id": "yt97d0",
  "success": true
}
** Activity (homeactivity) Pause, UserClosed = false **
** Activity (sendreportactivity) Create, isFirst = true **
** Activity (sendreportactivity) Resume **
Error occurred on line: 34 (FileProvider)
java.lang.reflect.InvocationTargetException
    at java.lang.reflect.Method.invoke(Native Method)
    at anywheresoftware.b4j.object.JavaObject.RunMethod(JavaObject.java:131)
    at java.lang.reflect.Method.invoke(Native Method)
    at anywheresoftware.b4a.shell.Shell.runMethod(Shell.java:732)
    at anywheresoftware.b4a.shell.Shell.raiseEventImpl(Shell.java:348)
    at anywheresoftware.b4a.shell.Shell.raiseEvent(Shell.java:255)
    at java.lang.reflect.Method.invoke(Native Method)
    at anywheresoftware.b4a.ShellBA.raiseEvent2(ShellBA.java:144)
    at anywheresoftware.b4a.BA$2.run(BA.java:370)
    at android.os.Handler.handleCallback(Handler.java:751)
    at android.os.Handler.dispatchMessage(Handler.java:95)
    at android.os.Looper.loop(Looper.java:154)
    at android.app.ActivityThread.main(ActivityThread.java:6077)
    at java.lang.reflect.Method.invoke(Native Method)
    at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:865)
    at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:755)
Caused by: java.lang.IllegalArgumentException: Failed to find configured root that contains /data/data/com.ohiritech.app/files/shared/data/user/0/com.ohiritech.app/files/shared/1.mp4
    at android.support.v4.content.FileProvider$SimplePathStrategy.getUriForFile(FileProvider.java:739)
    at android.support.v4.content.FileProvider.getUriForFile(FileProvider.java:418)
    ... 16 more
I have also tried
Code:
...
videoRecorder.Record3(folder, FileName, -1, Starter.Provider.GetFileUri(folder, FileName))I have also tried
			
				B4X:
			
		
		
		...
videoRecorder.Record3(folder, FileName, -1, Starter.Provider.GetFileUri(folder, FileName))I currently use this same code for recording audio and using the file Chooser and it works file.
 
				 
 
		 
 
		 
 
		 
 
		 
 
		 
 
		