add no instances notice

app/src/main/java/eu/m724/vastapp/activity/dashboard/screen/Instances.kt

@@ -2,6 +2,7 @@ package eu.m724.vastapp.activity.dashboard.screen
 
 import androidx.activity.ComponentActivity
 import androidx.compose.foundation.layout.Arrangement
+import androidx.compose.foundation.layout.Box
 import androidx.compose.foundation.layout.Column
 import androidx.compose.foundation.layout.ContextualFlowRow
 import androidx.compose.foundation.layout.ExperimentalLayoutApi
@@ -30,6 +31,7 @@ import androidx.compose.ui.Alignment
 import androidx.compose.ui.Modifier
 import androidx.compose.ui.platform.LocalContext
 import androidx.compose.ui.res.painterResource
+import androidx.compose.ui.res.stringResource
 import androidx.compose.ui.unit.dp
 import androidx.compose.ui.unit.sp
 import eu.m724.vastapp.R
@@ -47,23 +49,36 @@ fun InstancesScreen(dashboardViewModel: DashboardViewModel) {
 
     // TODO actually get instances
 
-    ContextualFlowRow(
-        modifier = Modifier
-            .fillMaxWidth()
-            .verticalScroll(rememberScrollState()),
-        itemCount = rentedInstances.size,
-        horizontalArrangement = Arrangement.Center
-    ) { i ->
-        RentedInstanceCard(
+    if (rentedInstances.size > 0) {
+        ContextualFlowRow(
             modifier = Modifier
-                .width(340.dp)
-                .padding(8.dp),
-            rentedInstance = rentedInstances[i],
-            termuxAvailable = termuxAvailable,
-            sshButtonClick = {
-                dashboardViewModel.sshButtonClick(activity, it)
-            },
-        )
+                .fillMaxWidth()
+                .verticalScroll(rememberScrollState()),
+            itemCount = rentedInstances.size,
+            horizontalArrangement = Arrangement.Center
+        ) { i ->
+            RentedInstanceCard(
+                modifier = Modifier
+                    .width(340.dp)
+                    .padding(8.dp),
+                rentedInstance = rentedInstances[i],
+                termuxAvailable = termuxAvailable,
+                sshButtonClick = {
+                    dashboardViewModel.sshButtonClick(activity, it)
+                },
+            )
+        }
+    } else {
+        Box(
+            modifier = Modifier
+                .fillMaxWidth()
+                .height(100.dp),
+            contentAlignment = Alignment.Center
+        ) {
+            Text(
+                text = stringResource(id = R.string.no_instances)
+            )
+        }
     }
 }
 

app/src/main/res/values/strings.xml

@@ -31,4 +31,5 @@
     <string name="termux_open_instructions">Open instructions on github.com</string>
     <string name="termux_error">An error occurred:</string>
     <string name="webview_todo">(this will be a webview)</string>
+    <string name="no_instances">You have no instances</string>
 </resources>