Handle passing an argument into the MQTT Connection Fragment

networksurvey/src/main/java/com/craxiom/networksurvey/fragments/MqttFragment.java

@@ -77,21 +77,22 @@ public class MqttFragment extends AConnectionFragment<NetworkSurveyService.Surve
 
     @Override
     public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState)
+    {
+        return super.onCreateView(inflater, container, savedInstanceState);
+    }
+
+    public void setMqttConnectionSettings(MqttConnectionSettings mqttConnectionSettings)
     {
         // The mqttConnectionSettings will be passed as an argument if the QR code scanner fragment
         // was just displayed. A nuance to this is that even if the user did not scan a QR code, we
         // will still get mqttConnectionSettings. This is because when the user clicks on the "Scan
         // Code" button we don't want them to lose all of the settings they have already entered in
         // the event they immediately cancel the QR code scan, so we might just be getting the
         // settings that were already entered instead of new QR scanned settings.
-        MqttConnectionSettings mqttConnectionSettings =
-                MqttFragmentArgs.fromBundle(getArguments()).getMqttConnectionSettings();
         if (mqttConnectionSettings != null)
         {
             populatePrefsFromMqttConnectionSettings(mqttConnectionSettings, getContext());
         }
-
-        return super.onCreateView(inflater, container, savedInstanceState);
     }
 
     @SuppressLint("ClickableViewAccessibility")

networksurvey/src/main/java/com/craxiom/networksurvey/fragments/model/MqttConnectionSettings.java

@@ -1,7 +1,13 @@
 package com.craxiom.networksurvey.fragments.model;
 
+import android.os.Parcel;
+import android.os.Parcelable;
+
+import androidx.annotation.NonNull;
+
 import com.craxiom.mqttlibrary.connection.BrokerConnectionInfo;
 import com.craxiom.networksurvey.mqtt.MqttConnectionInfo;
+import com.google.gson.Gson;
 import com.google.gson.annotations.SerializedName;
 
 import java.io.Serializable;
@@ -24,8 +30,37 @@ public record MqttConnectionSettings(
         @SerializedName("bluetooth_stream_enabled") Boolean bluetoothStreamEnabled,
         @SerializedName("gnss_stream_enabled") Boolean gnssStreamEnabled,
         @SerializedName("device_status_stream_enabled") Boolean deviceStatusStreamEnabled
-) implements Serializable
+) implements Serializable, Parcelable
 {
+    public static final String KEY = "mqttConnectionSettings";
+
+    public static final Creator<MqttConnectionSettings> CREATOR = new Creator<>()
+    {
+        @Override
+        public MqttConnectionSettings createFromParcel(Parcel in)
+        {
+            return new Gson().fromJson(in.readString(), MqttConnectionSettings.class);
+        }
+
+        @Override
+        public MqttConnectionSettings[] newArray(int size)
+        {
+            return new MqttConnectionSettings[size];
+        }
+    };
+
+    @Override
+    public int describeContents()
+    {
+        return 0;
+    }
+
+    @Override
+    public void writeToParcel(@NonNull Parcel dest, int flags)
+    {
+        dest.writeString(new Gson().toJson(this));
+    }
+
     public static class Builder
     {
         private String host;
@@ -124,7 +159,8 @@ public MqttConnectionSettings build()
         }
     }
 
-    public MqttConnectionSettings withoutDeviceName() {
+    public MqttConnectionSettings withoutDeviceName()
+    {
         return new MqttConnectionSettings(
                 host,
                 port,

networksurvey/src/main/java/com/craxiom/networksurvey/ui/main/appdrawer/AppDrawerNav.kt

@@ -1,5 +1,6 @@
 package com.craxiom.networksurvey.ui.main.appdrawer
 
+import android.os.Build
 import androidx.compose.foundation.layout.Box
 import androidx.compose.foundation.layout.PaddingValues
 import androidx.compose.foundation.layout.padding
@@ -9,12 +10,15 @@ import androidx.compose.ui.Modifier
 import androidx.compose.ui.viewinterop.AndroidViewBinding
 import androidx.lifecycle.viewmodel.compose.viewModel
 import androidx.navigation.NavGraphBuilder
+import androidx.navigation.NavType
 import androidx.navigation.compose.composable
 import androidx.navigation.compose.navigation
+import androidx.navigation.navArgument
 import com.craxiom.networksurvey.databinding.ContainerGrpcFragmentBinding
 import com.craxiom.networksurvey.databinding.ContainerMqttFragmentBinding
 import com.craxiom.networksurvey.databinding.ContainerSettingsFragmentBinding
-import com.craxiom.networksurvey.fragments.SettingsFragment
+import com.craxiom.networksurvey.fragments.MqttFragment
+import com.craxiom.networksurvey.fragments.model.MqttConnectionSettings
 import com.craxiom.networksurvey.ui.cellular.CalculatorScreen
 import com.craxiom.networksurvey.ui.main.HomeScreen
 import com.craxiom.networksurvey.ui.main.NavRoutes
@@ -28,12 +32,33 @@ fun NavGraphBuilder.mainGraph(
         composable(NavDrawerOption.None.name) {
             HomeScreen(drawerState)
         }
+
         composable(NavDrawerOption.ServerConnection.name) {
             GrpcFragmentInCompose(paddingValues)
         }
-        composable(NavDrawerOption.MqttBrokerConnection.name) {
-            MqttFragmentInCompose(paddingValues)
+        composable(
+            route = "${NavDrawerOption.MqttBrokerConnection.name}?${MqttConnectionSettings.KEY}={mqttConnectionSettings}",
+            arguments = listOf(navArgument("mqttConnectionSettings") {
+                type = NavType.ParcelableType(MqttConnectionSettings::class.java)
+                nullable = true  // Allow this argument to be nullable
+            })
+        ) { backStackEntry ->
+            val mqttConnectionSettings =
+                if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.TIRAMISU) {
+                    backStackEntry.arguments?.getParcelable(
+                        "mqttConnectionSettings",
+                        MqttConnectionSettings::class.java
+                    )
+                } else {
+                    @Suppress("DEPRECATION")
+                    backStackEntry.arguments?.getParcelable(MqttConnectionSettings.KEY)
+                }
+            MqttFragmentInCompose(
+                paddingValues = paddingValues,
+                mqttConnectionSettings = mqttConnectionSettings
+            )
         }
+
         composable(NavDrawerOption.CellularCalculators.name) {
             Box(modifier = Modifier.padding(paddingValues = paddingValues)) {
                 CalculatorScreen(viewModel = viewModel())
@@ -70,11 +95,16 @@ fun GrpcFragmentInCompose(paddingValues: PaddingValues) {
 }
 
 @Composable
-fun MqttFragmentInCompose(paddingValues: PaddingValues) {
+fun MqttFragmentInCompose(
+    paddingValues: PaddingValues,
+    mqttConnectionSettings: MqttConnectionSettings?
+) {
     AndroidViewBinding(
         ContainerMqttFragmentBinding::inflate,
-        modifier = Modifier.padding(paddingValues = paddingValues)
+        modifier = Modifier.padding(paddingValues)
     ) {
+        val fragment = mqttFragmentContainerView.getFragment<MqttFragment>()
+        fragment.setMqttConnectionSettings(mqttConnectionSettings)
     }
 }
 
@@ -84,6 +114,5 @@ fun SettingsFragmentInCompose(paddingValues: PaddingValues) {
         ContainerSettingsFragmentBinding::inflate,
         modifier = Modifier.padding(paddingValues = paddingValues)
     ) {
-        val fragment = settingsFragmentContainerView.getFragment<SettingsFragment>()
     }
 }