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Accessing Database stored in Internal Storage of Android Q

I would like to access the database that is stored in the Internal storage. I'm using the following code to do so.
db_connection_string = "URI=file:" + GetAndroidInternalFilesDir() + "/employee.db";
Debug.Log("db_connection_string" + db_connection_string);
db_connection = new SqliteConnection(db_connection_string);
Following is my GetAndroidInternalFilesDir function.
public static string GetAndroidInternalFilesDir()
{
string[] potentialDirectories = new string[]
{
"/storage/Company",
"/sdcard/Company",
"/storage/emulated/0/Company",
"/mnt/sdcard/Company",
"/storage/sdcard0/Company",
"/storage/sdcard1/Company"
};
if(Application.platform == RuntimePlatform.Android)
{
for(int i = 0; i < potentialDirectories.Length; i++)
{
if(Directory.Exists(potentialDirectories[i]))
{
return potentialDirectories[i];
}
}
}
return "";
}
The above code works fine in every device that is <Android10 but it fails with Android 11 and above. The SDK Version is set to 30 in my Unity3D. I have also tried changing it to 29 with no success. How can I fix this?
UPDATE:
I have used the following code to trigger the permission for scoped storage but still, it shows zero success.
void initiate()
{
AndroidJavaClass jc = new AndroidJavaClass("com.unity3d.player.UnityPlayer");
AndroidJavaObject packageManager = jc.Call<AndroidJavaObject>("getPackageManager");
AndroidJavaObject jo = jc.GetStatic<AndroidJavaObject>("android.provider.Settings.ACTION_MANAGE_APP_ALL_FILES_ACCESS_PERMISSION");
AndroidJavaObject launchIntent = packageManager.Call<AndroidJavaObject>("getLaunchIntentForPackage", packageManager);
launchIntent = jo.Call<AndroidJavaObject>("setData", packageManager);
jc.Call("startActivity", launchIntent);
}

if you want to search in listed directories (not in scope of your app) then you need a MANAGE_EXTERNAL_STORAGE permission. some doc in HERE

Get the value from my Database (MySQL) and manipulate GameObjects automatically

Inside Unity I had prefabs, it calls "PropertyContainer" it filled with 2 text game object(Room_Type and Room_Qty) that I want to change it dynamically from my database. I had try to learn and watch any youtube tutorial and on the internet. After several weeks try searching and watching I still can't figure it out how to implementing into my code.
Below is my code that I got from several tutorial and some cases on the internet.
First code, is my php code that I used:
<?php
require 'Connection.php';
//Check Connection
if ($conn->connect_error){
die("Connection Failed: " . $conn->connect_error);
}
//Create Variable Submitted
$ID_Type = 2;
$sql = "SELECT Room_Type, Room_Qty FROM House WHERE ID_Type = '" . $ID_Type . "'";
$result = $conn->query($sql);
if ($result->num_rows > 0){
//Output data of each row.
$rows = array();
while ($row = $result->fetch_assoc()) {
$rows[] = $row;
}
//After the whole array is created.
echo json_encode($rows);
}else {
echo "Zero Result";
}
$conn->close();?>
It calls GetStockHouse_RoseType.php, After it is successfully to show my value to be a Json file then the next step I need to call it into my Unity. There are several code that I'm used in unity.
Second code, using C# it called Web.cs:
public IEnumerator GetPropertyStock(string ID_Type, Action<string> callback)
{
WWWForm form = new WWWForm();<br>
form.AddField("ID_Type", ID_Type);
using (UnityWebRequest www = UnityWebRequest.Get("http://localhost/xxxDB/GetStockHouse_RoseType.php"))
{
yield return www.SendWebRequest();
if (www.isNetworkError || www.isHttpError)
{
Debug.Log(www.error);
}
else
{
//Show results as a text.
Debug.Log(www.downloadHandler.text);
string jsonArray = www.downloadHandler.text;
callback(jsonArray);
}
}
}
Third code, called Items.cs:
Action<string> _createItemsCallback;
// Use this for initialization
void Start () {
_createItemsCallback = (jsonArrayString) => {
StartCoroutine(CreateItemsRoutine(jsonArrayString));
};
CreateItems();
}
// Update is called once per frame
public void CreateItems() {
StartCoroutine(Main.Instance.Web.GetPropertyStock(_createItemsCallback));
}
IEnumerator CreateItemsRoutine(string jsonArrayString)
{
//Parsing json array string as an array
JSONArray jsonArray = JSON.Parse(jsonArrayString) as JSONArray;
for (int i = 0; i < jsonArray.Count; i++)
{
//Create local variables
bool isDone = false; //Are we done downloading?
string ID_Type = jsonArray[i].AsObject["ID_Type"];
JSONObject itemInfoJson = new JSONObject();
//Create a callback to get the information from Web.cs
Action<string> getItemInfoCallback = (itemInfo) =>
{
isDone = true;
JSONArray tempArray = JSON.Parse(itemInfo) as JSONArray;
itemInfoJson = tempArray[0].AsObject;
};
StartCoroutine(Main.Instance.Web.GetPropertyStock(ID_Type, getItemInfoCallback));
//Wait until the callback is called from the Web (info finished downloading).
yield return new WaitUntil(() => isDone == true);
//Instantiate GameObject (item prefab).
GameObject item = Instantiate(Resources.Load("Prefabs/PropertiContainer") as GameObject);
item.transform.SetParent(this.transform);
item.transform.localScale = Vector3.one;
item.transform.localPosition = Vector3.zero;
//Fill Information.
item.transform.Find("Room_Type").GetComponent<Text>().text = itemInfoJson["Room_Type"];
item.transform.Find("Room_Qty").GetComponent<Text>().text = itemInfoJson["Room_Qty"];
}
yield return null;
}
Fourth code, called Main.cs:
public static Main Instance;
public Web Web;
// Use this for initialization
void Start () {
Instance = this;
Web = GetComponent<Web>();
}
NOTES:The second and the fourth code is set in into one(1) Empty Object on Unity while the third code is set in the parents that called PropertyContainer.
Bellow is the picture from my Unity:
Picture No. 1) Main.cs & Web.cs set it into one Empty Object and also look oh my Game object for Room_Type and Room_Qty.
Main.cs & Web.cs
Item.cs
Unity File
What I expected is two (2) text Game Objects (Room_Type and Room_Qty) on PropertyContainer can change into my .php code. I hope all that information can fully understand.

A device attached to the system is not functioning

I'm working on an UWP application (Universal Windows) and I got this problem, I'm hoping that your talent will help me a lot. The problem is I plugged an headset HidDevice to read Firmware Version from that headset.
Here is my code:
public async void ReadFirmwareVersion()
{
if (DeviceManagerEventHandler.Current.HidDevice != null)
{
HidOutputReport outReport = DeviceManagerEventHandler.Current.HidDevice.CreateOutputReport();
byte[] buffer = queryVersion();
DataWriter dataWriter = new DataWriter();
dataWriter.WriteBytes(buffer);
outReport.Data = dataWriter.DetachBuffer();
await DeviceManagerEventHandler.Current.HidDevice.SendOutputReportAsync(outReport);
HidInputReport inReport = await DeviceManagerEventHandler.Current.HidDevice.GetInputReportAsync();
if (inReport != null)
{
UInt16 id = inReport.Id;
var bytes = new byte[64];
DataReader dataReader = DataReader.FromBuffer(inReport.Data);
dataReader.ReadBytes(bytes);
}
else
{
rootPage.NotifyUser("Invalid input report received", NotifyType.ErrorMessage);
}
}
}
public static Byte[] queryVersion()
{
Byte[] cmd = new Byte[64];
cmd[0] = 0x0B;
cmd[1] = 0x11;
return cmd;
}
I got an error at
outReport.Data = dataWriter.DetachBuffer();
they said
Value does not fall within the expected range
and 1 more error at HidInputReport inReport = await DeviceManagerEventHandler.Current.HidDevice.GetInputReportAsync(); is
A device attached to the system is not functioning
I tried to get the headset firmware version but it didn't work out due to these errors. Please help, I spent 2 days almost. Did I do something wrong?

C# Deadlock in Named Pipe

Im stuck. I have joined the project that uses Named Pipes, and have lets say "not ideal architecture". And seems like I accidentally received a deadlock:(
The logic is following. There is Named Pipe. Client and Server model. On server part there is a loop, that always pings named pipe and process what client sends, sometimes sending back responses.
On Client side of my pipe, I have following method, from other developer, that is being used to send request to server and receive and return the response.
private object locker = new Object();
private string ListenOnce(string msg)
{
Debug.WriteLine("Will listen for message " + msg);
string msgFrom = "";
if (run) {
string toReturn = "";
lock (locker) {
sw.WriteLine(msg); //Writing command to the pipes
stream.WaitForPipeDrain(); //Waiting for another process to read the command
msgFrom = sr.ReadLine(); //Reading
toReturn = sr.ReadLine ();
if (toReturn.Contains('¥'))
{
string[] split = toReturn.Split('¥');
if (split.Length > 1)
{
var roomNames = this.connection.application.GameCache.GetRoomNames();
for (int i = 1; i < split.Length; i++)
{
string[] split2 = split[i].Split('¶');
if (split2.Length > 1)
{
string accountName = split2[0];
int offenderActorID = int.Parse(split2[1]);
string offenderRoomName = split2[2];
foreach (var roomName in roomNames)
{
Room room;
if (this.connection.application.GameCache.TryGetRoomWithoutReference(roomName, out room))
{
Game game = room as Game;
if (game != null && game.Name == offenderRoomName)
{
GameClientPeer peer = (GameClientPeer)game.ActorsManager.ActorsGetActorByNumber(offenderActorID).Peer;
if (peer != null)
{
peer.KickPlayer();
}
}
}
}
}
}
}
}
}
if (toReturn.Contains('¥'))
{
return toReturn.Split('¥')[0];
}
else
{
return toReturn;
}
}
return "";
}
The problem is - in some cases I cant receive response from pipe right when requested, and need to start what I called here "poller". This is a task, that loops 5 times, and during those 5 times "polls" the pipe through this ListenOnce method.
private void PollTargets()
{
timer.Dispose();
Debug.WriteLine("Going to start polling");
Task.Factory.StartNew(() => {
int runCount = 0;
while (true)
{
runCount++;
PipeOperation request = new PipeOperation(Consts.Pipes.RequestTargets, uniqueID);
string responseStr = unityConnection.client.SendMessage(JsonConvert.SerializeObject(request));
Debug.WriteLine("Task is running, response is " + responseStr);
if (!string.IsNullOrEmpty(responseStr))
{
try
{
PipeOperation pipeResponse = JsonConvert.DeserializeObject<PipeOperation>(responseStr);
if (!string.IsNullOrEmpty(pipeResponse.Payload))
{
GrenadeExplosionData explosionData = JsonConvert.DeserializeObject<GrenadeExplosionData>(pipeResponse.Payload);
if (explosionData != null)
{
//probably need to invoke that in main thread
DealDamage(explosionData);
//isRunning = false;
Debug.WriteLine("Received nice response, will damage targets");
break;
}
}
}
catch (Exception exc)
{
Debug.WriteLine("Something went wrong while polling...");
Debug.WriteLine(exc.Message);
break;
}
}
if (runCount > 5)
{
Debug.WriteLine("run count exceed " + runCount.ToString());
break;
}
}
RemoveGrenadeFromUnityConnection();
});
}
I am starting poller when the Grenade explodes, from timer like that:
timer = new System.Threading.Timer((obj) =>
{
PollTargets();
},
null, 4000, System.Threading.Timeout.Infinite);
And thats it. After people play 2-3 hrs. Seems like I receive a deadlock. It should be taken into account that there might be many grenades on server who starts that poller, so probably it just goes mad at some point over there.
Pls help, Im stuck with that. Who has ideas?
We should keep in mind, that
sw.WriteLine(msg); //Writing command to the pipes
stream.WaitForPipeDrain();
msgFrom = sr.ReadLine(); //Reading
toReturn = sr.ReadLine ();
should be used only by one thread at a time, as stream might be read only from one source.
There are several calls to ListenOnce from the code, but not a lot. One is being fired every 4 minutes.The rest ones are not constant, but conditional.
Hope somebody would see where is a mistake here...

Found what locks everything...However, it does not help a lot:)
Its
stream.WaitForPipeDrain();
it tries to read another end of pipe, but because of there is no timeouts in message mode, it just hangs for ever..

Encoder SDK 4 - Push to Publishing Point

I'm coding an application in c# using EC4 SP2 SDK.
I want to publish my file to a media server publishing point. I've searched and found 2 examples regarding seting up and auth on publishing points, but either are from older sdk's or do not work (and are for console). basicly my application doesn't encode nothing, as if it had nothing to encode.
When in degub mode checkpont i can see the correct properties for the source file and for the server.
The encoding process takes 0secs to process. I checked the logs on the server events and i get a warning "the security system has received and auth request that could not be decoded". I just havo no knowledge to break up further than this. Any help would be appreciated.
this is the piece of code:
private void broadcastSourceFileToMediaServer2()
{
using (LiveJob job = new LiveJob())
{
String filetoencode = #"c:\temp\niceday.wmv";
LiveFileSource filesource = job.AddFileSource(filetoencode);
filesource.PlaybackMode = FileSourcePlaybackMode.Loop;
job.ActivateSource(filesource);
job.ApplyPreset(LivePresets.VC1Broadband4x3);
//don't know which one is good to use
job.AcquireCredentials += new EventHandler<AcquireCredentialsEventArgs>(job_AcquireCredentials);
_myUserName = "indes";
_pw = PullPW("indes");
Uri url = new Uri("http://192.168.1.74:8080/live");
PushBroadcastPublishFormat pubpoint = new PushBroadcastPublishFormat();
pubpoint.PublishingPoint = url;
pubpoint.UserName = _myUserName;
pubpoint.Password = _pw;
job.PublishFormats.Add(pubpoint);
job.PreConnectPublishingPoint();
job.StartEncoding();
statusBox.Text = job.NumberOfEncodedSamples.ToString();
job.StopEncoding();
job.Dispose();
}
}
public static string _myUserName { get; set; }
public static SecureString _pw { get; set; }
//codificação de Password a enviar
private static SecureString PullPW(string pw)
{
SecureString s = new SecureString();
foreach (char c in pw) s.AppendChar(c);
return s;
}
static void job_AcquireCredentials(object sender, AcquireCredentialsEventArgs e)
{
e.UserName = _myUserName;
e.Password = _pw;
e.Modes = AcquireCredentialModes.None;
}

Progresses:
I managed to authenticate (at least get a positive audit event) on the server.
I changed from this:
//don't know which one is good to use
job.AcquireCredentials += new EventHandler<AcquireCredentialsEventArgs>(job_AcquireCredentials);
_myUserName = "indes";
_pw = PullPW("indes");
Uri url = new Uri("http://192.168.1.74:8080/live");
PushBroadcastPublishFormat pubpoint = new PushBroadcastPublishFormat();
pubpoint.PublishingPoint = url;
pubpoint.UserName = _myUserName;
pubpoint.Password = _pw;
To this:
job.AcquireCredentials += new EventHandler<AcquireCredentialsEventArgs>(job_AcquireCredentials);
_myUserName = #"mediaservername\user";
_pw = PullPW("user_password");
Uri url = new Uri("http://192.168.1.74:8080/live");
PushBroadcastPublishFormat pubpoint = new PushBroadcastPublishFormat();
pubpoint.PublishingPoint = url;
If you see on one side if had to include the domain (either domain or computername) before username. this changed the failed audit events on the server, so i could eliminate the manual credentials pubpoint.username and pubpoint.Password.
Now I'm just dealing with a lack of output format exception. On to it.

How about using SMOOTH Streaming, I managed to get my project going but I didn't get much more beyond Look below, to the part that has the PUBLISH switch type. ignore the file portion
internal bool StartStream()
{
Busy = true;
// Instantiates a new job for encoding
//
//***************************************Live Stream Archive******************************
if (blnRecordFromFile)
{
// Sets up publishing format for file archival type
FileArchivePublishFormat fileOut = new FileArchivePublishFormat();
// job.ApplyPreset(LivePresets.VC1512kDSL16x9);
// Gets timestamp and edits it for filename
string timeStamp = DateTime.Now.ToString();
timeStamp = timeStamp.Replace("/", "-");
timeStamp = timeStamp.Replace(":", ".");
// Sets file path and name
string path = "C:\\output\\";
string filename = "Capture" + timeStamp + ".ismv";
if (!Directory.Exists(path))
Directory.CreateDirectory(path);
fileOut.OutputFileName = Path.Combine(path, filename);
// Adds the format to the job. You can add additional formats as well such as
// Publishing streams or broadcasting from a port
job.PublishFormats.Add(fileOut);
}
//******************************END OF Stream PORTION****************************************
////////////////////////////////////////////////////////////////////////////////////////////////////
//*************************************** Process Files or Live Stream******************************
if (blnRecordFromFile)
{
job.ApplyPreset(LivePresets.VC1IISSmoothStreaming720pWidescreen);
job = new LiveJob();
// Verifies all information is entered
if (string.IsNullOrWhiteSpace(sourcePath) || string.IsNullOrWhiteSpace(destinationPath))
return false;
job.Status += new EventHandler<EncodeStatusEventArgs>(StreamStatus);
LiveFileSource fileSource;
try
{
// Sets file to active source and checks if it is valid
fileSource = job.AddFileSource(sourcePath);
}
catch (InvalidMediaFileException)
{
return false;
}
// Sets to loop media for streaming
// fileSource.PlaybackMode = FileSourcePlaybackMode.Loop;
// Makes this file the active source. Multiple files can be added
// and cued to move to each other at their ends
job.ActivateSource(fileSource);
}
//******************************END OF FILE PORTION****************************************
// Sets up variable for fomat data
switch (publishType)
{
case Output.Archive:
// Verifies destination path exists and if not creates it
try
{
if (!Directory.Exists(destinationPath))
Directory.CreateDirectory(destinationPath);
}
catch (IOException)
{
return false;
}
FileArchivePublishFormat archiveFormat = new FileArchivePublishFormat();
// Gets the location of the old extention and removes it
string filename = Path.GetFileNameWithoutExtension(sourcePath);
// Sets the archive path and file name
archiveFormat.OutputFileName = Path.Combine(destinationPath, filename + ".ismv");
job.PublishFormats.Add(archiveFormat);
break;
case Output.Publish:
// Setups streaming of media to publishing point
job = new LiveJob();
// Aquires audio and video devices
Collection<EncoderDevice> devices = EncoderDevices.FindDevices(EncoderDeviceType.Video);
EncoderDevice video = devices.Count > 0 ? devices[0] : null;
for (int i = 0; i < devices.Count; ++i)
// devices[i].Dispose();
devices.Clear();
devices = EncoderDevices.FindDevices(EncoderDeviceType.Audio);
EncoderDevice audio = devices.Count > 0 ? devices[0] : null;
for (int i = 1; i < devices.Count; ++i)
devices[i].Dispose();
devices.Clear();
// Checks for a/v devices
if (video != null && audio != null)
{
//job.ApplyPreset(Preset.FromFile(#"C:\Tempura\LivePreset3.xml"));
job.ApplyPreset(LivePresets.H264IISSmoothStreamingLowBandwidthStandard);
job.OutputFormat.VideoProfile.SmoothStreaming = true;
deviceSource = job.AddDeviceSource(video, audio);
// Make this source the active one
job.ActivateSource(deviceSource);
}
else
{
error = true;
}
PushBroadcastPublishFormat publishFormat = new PushBroadcastPublishFormat();
try
{
// checks the path for a valid publishing point
publishFormat.PublishingPoint = new Uri(destinationPath);
}
catch (UriFormatException)
{
return false;
}
// Adds the publishing format to the job
try
{
// job.ApplyPreset(LivePresets.VC1IISSmoothStreaming480pWidescreen);
job.PublishFormats.Add(publishFormat);
job.PreConnectPublishingPoint();
}
catch (Exception e)
{
MessageBox.Show(e.StackTrace.ToString());
}
break;
default:
return false;
}
job.StartEncoding();
return true;
}

Sadly I dont have enough rep to comment, so I have to write it as an answer.
Due to you are starting a live job, in order to stream you should not call job.StopEncoding() right after StartEncoding. I think usually you would use an event to stop the encoding. If you start encoding and immediately stop it, it is only logical you have no, or only a very small output.

I changed your code to the following and it seems work well. I guess your problem is that you disposed the instance of LiveJob class. You have to keep the instance alive before it finished encoding the whole stream. So change the using part and remove the StopEncoding and Dispose will be OK.
private void broadcastSourceFileToMediaServer2()
{
LiveJob job = new LiveJob();
String filetoencode = #"c:\temp\niceday.wmv";
LiveFileSource filesource = job.AddFileSource(filetoencode);
filesource.PlaybackMode = FileSourcePlaybackMode.Loop;
job.ActivateSource(filesource);
job.ApplyPreset(LivePresets.VC1Broadband4x3);
//don't know which one is good to use
job.AcquireCredentials += new EventHandler<AcquireCredentialsEventArgs>(job_AcquireCredentials);
_myUserName = "indes";
_pw = PullPW("indes");
Uri url = new Uri("http://192.168.1.74:8080/live");
PushBroadcastPublishFormat pubpoint = new PushBroadcastPublishFormat();
pubpoint.PublishingPoint = url;
pubpoint.UserName = _myUserName;
pubpoint.Password = _pw;
job.PublishFormats.Add(pubpoint);
job.PreConnectPublishingPoint();
job.StartEncoding();
statusBox.Text = job.NumberOfEncodedSamples.ToString();
}
public static string _myUserName { get; set; }
public static SecureString _pw { get; set; }
//codificação de Password a enviar
private static SecureString PullPW(string pw)
{
SecureString s = new SecureString();
foreach (char c in pw) s.AppendChar(c);
return s;
}
static void job_AcquireCredentials(object sender, AcquireCredentialsEventArgs e)
{
e.UserName = _myUserName;
e.Password = _pw;
e.Modes = AcquireCredentialModes.None;
}