Added support for connecting to FCast via QR code.

app/src/main/AndroidManifest.xml

@@ -61,6 +61,14 @@
 
                 <data android:scheme="grayjay" />
             </intent-filter>
+            <intent-filter>
+                <action android:name="android.intent.action.VIEW" />
+
+                <category android:name="android.intent.category.DEFAULT" />
+                <category android:name="android.intent.category.BROWSABLE" />
+
+                <data android:scheme="fcast" />
+            </intent-filter>
             <intent-filter>
                 <action android:name="android.intent.action.MAIN" />
 

app/src/main/java/com/futo/platformplayer/UIDialogs.kt

@@ -1,5 +1,6 @@
 package com.futo.platformplayer
 
+import android.app.Activity
 import android.app.AlertDialog
 import android.content.Context
 import android.content.Intent
@@ -337,6 +338,10 @@ class UIDialogs {
             } else {
                 val dialog = ConnectCastingDialog(context);
                 registerDialogOpened(dialog);
+                val c = context
+                if (c is Activity) {
+                    dialog.setOwnerActivity(c);
+                }
                 dialog.setOnDismissListener { registerDialogClosed(dialog) };
                 dialog.show();
             }

app/src/main/java/com/futo/platformplayer/activities/MainActivity.kt

@@ -7,7 +7,6 @@ import android.content.pm.ActivityInfo
 import android.content.res.Configuration
 import android.net.Uri
 import android.os.Bundle
-import android.preference.PreferenceManager
 import android.util.Log
 import android.util.TypedValue
 import android.view.View
@@ -25,11 +24,9 @@ import androidx.fragment.app.FragmentContainerView
 import androidx.lifecycle.Lifecycle
 import androidx.lifecycle.lifecycleScope
 import com.futo.platformplayer.*
-import com.futo.platformplayer.api.media.PlatformID
-import com.futo.platformplayer.api.media.models.channels.SerializedChannel
 import com.futo.platformplayer.casting.StateCasting
 import com.futo.platformplayer.constructs.Event1
-import com.futo.platformplayer.constructs.Event3
+import com.futo.platformplayer.dialogs.ConnectCastingDialog
 import com.futo.platformplayer.fragment.mainactivity.bottombar.MenuBottomBarFragment
 import com.futo.platformplayer.fragment.mainactivity.main.*
 import com.futo.platformplayer.fragment.mainactivity.topbar.AddTopBarFragment
@@ -45,6 +42,7 @@ import com.futo.platformplayer.stores.FragmentedStorage
 import com.futo.platformplayer.stores.SubscriptionStorage
 import com.futo.platformplayer.stores.v2.ManagedStore
 import com.google.gson.JsonParser
+import com.google.zxing.integration.android.IntentIntegrator
 import kotlinx.coroutines.*
 import kotlinx.serialization.decodeFromString
 import kotlinx.serialization.json.Json
@@ -124,6 +122,24 @@ class MainActivity : AppCompatActivity, IWithResultLauncher {
     private var _isVisible = true;
     private var _wasStopped = false;
 
+    private val _urlQrCodeResultLauncher = registerForActivityResult(ActivityResultContracts.StartActivityForResult()) { result ->
+        val scanResult = IntentIntegrator.parseActivityResult(result.resultCode, result.data)
+        scanResult?.let {
+            val content = it.contents
+            if (content == null) {
+                UIDialogs.toast(this, getString(R.string.failed_to_scan_qr_code))
+                return@let
+            }
+
+            try {
+                handleUrlAll(content)
+            } catch (e: Throwable) {
+                Logger.i(TAG, "Failed to handle URL.", e)
+                UIDialogs.toast(this, "Failed to handle URL: ${e.message}")
+            }
+        }
+    }
+
     constructor() : super() {
         Thread.setDefaultUncaughtExceptionHandler { _, throwable ->
             val writer = StringWriter();
@@ -409,6 +425,23 @@ class MainActivity : AppCompatActivity, IWithResultLauncher {
             UIDialogs.toast(this, "No external file permissions\nExporting and auto backups will not work");
     }*/
 
+    fun showUrlQrCodeScanner() {
+        try {
+            val integrator = IntentIntegrator(this)
+            integrator.setDesiredBarcodeFormats(IntentIntegrator.QR_CODE)
+            integrator.setPrompt(getString(R.string.scan_a_qr_code))
+            integrator.setOrientationLocked(true);
+            integrator.setCameraId(0)
+            integrator.setBeepEnabled(false)
+            integrator.setBarcodeImageEnabled(true)
+            integrator.captureActivity = QRCaptureActivity::class.java
+            _urlQrCodeResultLauncher.launch(integrator.createScanIntent())
+        } catch (e: Throwable) {
+            Logger.i(TAG, "Failed to handle show QR scanner.", e)
+            UIDialogs.toast(this, "Failed to show QR scanner: ${e.message}")
+        }
+    }
+
     override fun onResume() {
         super.onResume();
         Logger.v(TAG, "onResume")
@@ -496,10 +529,20 @@ class MainActivity : AppCompatActivity, IWithResultLauncher {
 
         try {
             if (targetData != null) {
-                when(intent.scheme) {
+                handleUrlAll(targetData)
+            }
+        }
+        catch(ex: Throwable) {
+            UIDialogs.showGeneralErrorDialog(this, getString(R.string.failed_to_handle_file), ex);
+        }
+    }
+
+    fun handleUrlAll(url: String) {
+        val uri = Uri.parse(url)
+        when (uri.scheme) {
             "grayjay" -> {
-                        if(targetData.startsWith("grayjay://license/")) {
+                if(url.startsWith("grayjay://license/")) {
-                            if(StatePayment.instance.setPaymentLicenseUrl(targetData))
+                    if(StatePayment.instance.setPaymentLicenseUrl(url))
                     {
                         UIDialogs.showDialogOk(this, R.drawable.ic_check, getString(R.string.your_license_key_has_been_set_an_app_restart_might_be_required));
 
@@ -510,68 +553,73 @@ class MainActivity : AppCompatActivity, IWithResultLauncher {
                         UIDialogs.toast(getString(R.string.invalid_license_format));
 
                 }
-                        else if(targetData.startsWith("grayjay://plugin/")) {
+                else if(url.startsWith("grayjay://plugin/")) {
                     val intent = Intent(this, AddSourceActivity::class.java).apply {
-                                data = Uri.parse(targetData.substring("grayjay://plugin/".length));
+                        data = Uri.parse(url.substring("grayjay://plugin/".length));
                     };
                     startActivity(intent);
                 }
-                        else if(targetData.startsWith("grayjay://video/")) {
+                else if(url.startsWith("grayjay://video/")) {
-                            val videoUrl = targetData.substring("grayjay://video/".length);
+                    val videoUrl = url.substring("grayjay://video/".length);
                     navigate(_fragVideoDetail, videoUrl);
                 }
-                        else if(targetData.startsWith("grayjay://channel/")) {
+                else if(url.startsWith("grayjay://channel/")) {
-                            val channelUrl = targetData.substring("grayjay://channel/".length);
+                    val channelUrl = url.substring("grayjay://channel/".length);
                     navigate(_fragMainChannel, channelUrl);
                 }
             }
             "content" -> {
-                        if(!handleContent(targetData, intent.type)) {
+                if(!handleContent(url, intent.type)) {
                     UIDialogs.showSingleButtonDialog(
                         this,
                         R.drawable.ic_play,
-                                getString(R.string.unknown_content_format) + " [${targetData}]",
+                        getString(R.string.unknown_content_format) + " [${url}]",
                         "Ok",
                         { });
                 }
             }
             "file" -> {
-                        if(!handleFile(targetData)) {
+                if(!handleFile(url)) {
                     UIDialogs.showSingleButtonDialog(
                         this,
                         R.drawable.ic_play,
-                                getString(R.string.unknown_file_format) + " [${targetData}]",
+                        getString(R.string.unknown_file_format) + " [${url}]",
                         "Ok",
                         { });
                 }
             }
             "polycentric" -> {
-                        if(!handlePolycentric(targetData)) {
+                if(!handlePolycentric(url)) {
                     UIDialogs.showSingleButtonDialog(
                         this,
                         R.drawable.ic_play,
-                                getString(R.string.unknown_polycentric_format) + " [${targetData}]",
+                        getString(R.string.unknown_polycentric_format) + " [${url}]",
+                        "Ok",
+                        { });
+                }
+            }
+            "fcast" -> {
+                if(!handleFCast(url)) {
+                    UIDialogs.showSingleButtonDialog(
+                        this,
+                        R.drawable.ic_cast,
+                        "Unknown FCast format [${url}]",
                         "Ok",
                         { });
                 }
             }
             else -> {
-                        if (!handleUrl(targetData)) {
+                if (!handleUrl(url)) {
                     UIDialogs.showSingleButtonDialog(
                         this,
                         R.drawable.ic_play,
-                                getString(R.string.unknown_url_format) + " [${targetData}]",
+                        getString(R.string.unknown_url_format) + " [${url}]",
                         "Ok",
                         { });
                 }
             }
         }
     }
-        }
-        catch(ex: Throwable) {
-            UIDialogs.showGeneralErrorDialog(this, getString(R.string.failed_to_handle_file), ex);
-        }
-    }
 
     fun handleUrl(url: String): Boolean {
         Logger.i(TAG, "handleUrl(url=$url)")
@@ -719,6 +767,20 @@ class MainActivity : AppCompatActivity, IWithResultLauncher {
         startActivity(Intent(this, PolycentricImportProfileActivity::class.java).apply { putExtra("url", url) })
         return true;
     }
+
+    fun handleFCast(url: String): Boolean {
+        Logger.i(TAG, "handleFCast");
+
+        try {
+            StateCasting.instance.handleUrl(this, url)
+            return true;
+        } catch (e: Throwable) {
+            Log.e(TAG, "Failed to parse FCast URL '${url}'.", e)
+        }
+
+        return false
+    }
+
     private fun readSharedContent(contentPath: String): ByteArray {
         return contentResolver.openInputStream(Uri.parse(contentPath))?.use {
             return it.readBytes();

app/src/main/java/com/futo/platformplayer/casting/StateCasting.kt

@@ -2,8 +2,11 @@ package com.futo.platformplayer.casting
 
 import android.content.ContentResolver
 import android.content.Context
+import android.net.Uri
 import android.os.Looper
+import android.util.Base64
 import com.futo.platformplayer.*
+import com.futo.platformplayer.activities.MainActivity
 import com.futo.platformplayer.api.http.ManagedHttpClient
 import com.futo.platformplayer.api.http.server.ManagedHttpServer
 import com.futo.platformplayer.api.http.server.handlers.*
@@ -27,6 +30,9 @@ import javax.jmdns.ServiceListener
 import kotlin.collections.HashMap
 import com.futo.platformplayer.stores.CastingDeviceInfoStorage
 import com.futo.platformplayer.stores.FragmentedStorage
+import kotlinx.serialization.Serializable
+import kotlinx.serialization.decodeFromString
+import kotlinx.serialization.json.Json
 import javax.jmdns.ServiceTypeListener
 
 class StateCasting {
@@ -147,6 +153,32 @@ class StateCasting {
         }
     }
 
+    fun handleUrl(context: Context, url: String) {
+        val uri = Uri.parse(url)
+        if (uri.scheme != "fcast") {
+            throw Exception("Expected scheme to be FCast")
+        }
+
+        val type = uri.host
+        if (type != "r") {
+            throw Exception("Expected type r")
+        }
+
+        val connectionInfo = uri.pathSegments[0]
+        val json = Base64.decode(connectionInfo, Base64.URL_SAFE or Base64.NO_PADDING or Base64.NO_WRAP).toString(Charsets.UTF_8)
+        val networkConfig = Json.decodeFromString<FCastNetworkConfig>(json)
+        val tcpService = networkConfig.services.first { v -> v.type == 0 }
+
+        addRememberedDevice(CastingDeviceInfo(
+            name = networkConfig.name,
+            type = CastProtocolType.FCAST,
+            addresses = networkConfig.addresses.toTypedArray(),
+            port = tcpService.port
+        ))
+
+        UIDialogs.toast(context,"FCast device '${networkConfig.name}' added")
+    }
+
     fun onStop() {
         val ad = activeDevice ?: return;
         Logger.i(TAG, "Stopping active device because of onStop.");
@@ -1167,6 +1199,19 @@ class StateCasting {
         }
     }
 
+    @Serializable
+    private data class FCastNetworkConfig(
+        val name: String,
+        val addresses: List<String>,
+        val services: List<FCastService>
+    )
+
+    @Serializable
+    private data class FCastService(
+        val port: Int,
+        val type: Int
+    )
+
     companion object {
         val instance: StateCasting = StateCasting();
 

app/src/main/java/com/futo/platformplayer/dialogs/ConnectCastingDialog.kt

@@ -1,24 +1,33 @@
 package com.futo.platformplayer.dialogs
 
+import android.app.Activity
 import android.app.AlertDialog
 import android.content.Context
+import android.content.Intent
 import android.graphics.drawable.Animatable
+import android.net.Uri
 import android.os.Bundle
 import android.view.LayoutInflater
 import android.view.View
 import android.widget.Button
 import android.widget.ImageView
 import android.widget.TextView
+import androidx.activity.result.ActivityResultLauncher
+import androidx.activity.result.contract.ActivityResultContracts
 import androidx.recyclerview.widget.LinearLayoutManager
 import androidx.recyclerview.widget.RecyclerView
 import com.futo.platformplayer.logging.Logger
 import com.futo.platformplayer.R
 import com.futo.platformplayer.UIDialogs
+import com.futo.platformplayer.activities.AddSourceActivity
+import com.futo.platformplayer.activities.MainActivity
+import com.futo.platformplayer.activities.QRCaptureActivity
 import com.futo.platformplayer.casting.CastConnectionState
 import com.futo.platformplayer.casting.CastingDevice
 import com.futo.platformplayer.casting.StateCasting
 import com.futo.platformplayer.states.StateApp
 import com.futo.platformplayer.views.adapters.DeviceAdapter
+import com.google.zxing.integration.android.IntentIntegrator
 import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.GlobalScope
 import kotlinx.coroutines.launch
@@ -28,6 +37,7 @@ class ConnectCastingDialog(context: Context?) : AlertDialog(context) {
     private lateinit var _imageLoader: ImageView;
     private lateinit var _buttonClose: Button;
     private lateinit var _buttonAdd: Button;
+    private lateinit var _buttonScanQR: Button;
     private lateinit var _textNoDevicesFound: TextView;
     private lateinit var _textNoDevicesRemembered: TextView;
     private lateinit var _recyclerDevices: RecyclerView;
@@ -44,6 +54,7 @@ class ConnectCastingDialog(context: Context?) : AlertDialog(context) {
         _imageLoader = findViewById(R.id.image_loader);
         _buttonClose = findViewById(R.id.button_close);
         _buttonAdd = findViewById(R.id.button_add);
+        _buttonScanQR = findViewById(R.id.button_scan_qr);
         _recyclerDevices = findViewById(R.id.recycler_devices);
         _recyclerRememberedDevices = findViewById(R.id.recycler_remembered_devices);
         _textNoDevicesFound = findViewById(R.id.text_no_devices_found);
@@ -77,6 +88,17 @@ class ConnectCastingDialog(context: Context?) : AlertDialog(context) {
             UIDialogs.showCastingAddDialog(context);
             dismiss();
         };
+
+        val c = ownerActivity
+        if (c is MainActivity) {
+            _buttonScanQR.visibility = View.VISIBLE
+            _buttonScanQR.setOnClickListener {
+                c.showUrlQrCodeScanner()
+                dismiss()
+            };
+        } else {
+            _buttonScanQR.visibility = View.GONE
+        }
     }
 
     override fun show() {

app/src/main/res/layout/dialog_casting_connect.xml

@@ -89,18 +89,32 @@
             android:textColor="@color/white"
             android:fontFamily="@font/inter_regular" />
 
-        <Space android:layout_width="0dp"
+        <Button
-            android:layout_height="match_parent"
+            android:id="@+id/button_scan_qr"
-            android:layout_weight="1" />
+            android:layout_width="0dp"
+            android:layout_weight="1.7"
+            android:layout_height="wrap_content"
+            android:text="@string/scan_qr"
+            android:textSize="14dp"
+            android:textAlignment="center"
+            android:layout_marginEnd="2dp"
+            android:ellipsize="end"
+            android:maxLines="1"
+            android:fontFamily="@font/inter_regular"
+            android:textColor="@color/colorPrimary"
+            android:background="@color/transparent" />
 
         <Button
             android:id="@+id/button_add"
-            android:layout_width="wrap_content"
+            android:layout_width="0dp"
+            android:layout_weight="1"
             android:layout_height="wrap_content"
             android:text="@string/add"
             android:textSize="14dp"
             android:textAlignment="textEnd"
             android:layout_marginEnd="2dp"
+            android:ellipsize="end"
+            android:maxLines="1"
             android:fontFamily="@font/inter_regular"
             android:textColor="@color/colorPrimary"
             android:background="@color/transparent" />