Remade the chat system based on the jetchat example app.

.idea/misc.xml

@@ -38,6 +38,8 @@
         <entry key="../../../../../layout/compose-model-1641313051635.xml" value="0.3861111111111111" />
         <entry key="../../../../../layout/compose-model-1641313223231.xml" value="0.3861111111111111" />
         <entry key="../../../../../layout/compose-model-1641313346209.xml" value="0.3861111111111111" />
+        <entry key="../../../../../layout/compose-model-1641371559019.xml" value="0.33" />
+        <entry key="../../../../../layout/compose-model-1641372970000.xml" value="0.3861111111111111" />
         <entry key="app/src/main/res/drawable-v24/ic_launcher_foreground.xml" value="0.5307291666666667" />
         <entry key="app/src/main/res/drawable/ic_baseline_arrow_back_24.xml" value="0.38981481481481484" />
         <entry key="app/src/main/res/drawable/ic_baseline_keyboard_24.xml" value="0.38981481481481484" />

app/src/main/java/ch/mathieubroillet/jarvis/android/MainActivity.kt

@@ -9,14 +9,10 @@ import androidx.compose.foundation.layout.fillMaxHeight
 import androidx.compose.foundation.layout.fillMaxWidth
 import androidx.compose.material.MaterialTheme
 import androidx.compose.material.Surface
-import androidx.compose.runtime.Composable
 import androidx.compose.ui.Modifier
-import androidx.compose.ui.tooling.preview.Preview
 import androidx.core.view.WindowCompat
 import androidx.core.view.WindowInsetsControllerCompat
-import androidx.navigation.compose.rememberNavController
 import ch.mathieubroillet.jarvis.android.nav.Navigation
-import ch.mathieubroillet.jarvis.android.pages.DisplayMainPage
 import ch.mathieubroillet.jarvis.android.ui.theme.JarvisComposeTheme
 
 
@@ -51,13 +47,4 @@ class MainActivity : ComponentActivity() {
             }
         }
     }
-}
-
-
-@Preview(showBackground = true)
-@Composable
-fun DefaultPreview() {
-    JarvisComposeTheme {
-        DisplayMainPage(rememberNavController())
-    }
 }

app/src/main/java/ch/mathieubroillet/jarvis/android/chat/ConversationUiState.kt

@@ -0,0 +1,22 @@
+package ch.mathieubroillet.jarvis.android.chat
+
+import androidx.compose.runtime.Immutable
+import androidx.compose.runtime.mutableStateListOf
+
+class ConversationUiState(
+    initialMessages: List<Message>
+) {
+    private val _messages: MutableList<Message> =
+        mutableStateListOf(*initialMessages.toTypedArray())
+    val messages: List<Message> = _messages
+
+    fun addMessage(msg: Message) {
+        _messages.add(0, msg) // Add to the beginning of the list
+    }
+}
+
+@Immutable
+data class Message(
+    val isJarvis: Boolean,
+    val content: String,
+)

app/src/main/java/ch/mathieubroillet/jarvis/android/chat/Messages.kt

@@ -1,9 +1,10 @@
-package ch.mathieubroillet.jarvis.android.utils
+package ch.mathieubroillet.jarvis.android.chat
 
 import androidx.compose.foundation.Image
 import androidx.compose.foundation.background
 import androidx.compose.foundation.isSystemInDarkTheme
 import androidx.compose.foundation.layout.*
+import androidx.compose.foundation.lazy.LazyColumn
 import androidx.compose.foundation.shape.RoundedCornerShape
 import androidx.compose.material.MaterialTheme
 import androidx.compose.material.Text
@@ -16,6 +17,30 @@ import androidx.compose.ui.unit.dp
 import ch.mathieubroillet.jarvis.android.R
 import ch.mathieubroillet.jarvis.android.ui.theme.productSansFont
 
+@Composable
+fun Messages(
+    messages: List<Message>,
+    modifier: Modifier = Modifier
+) {
+    Box(modifier = modifier) {
+        LazyColumn(
+            modifier = Modifier
+                .fillMaxSize()
+        ) {
+            val reverse: List<Message> = messages.reversed()
+
+            for (message in reverse) {
+                item {
+                    if (message.isJarvis) {
+                        MessageFromJarvis(text = message.content)
+                    } else {
+                        MessageFromUser(text = message.content)
+                    }
+                }
+            }
+        }
+    }
+}
 
 @Composable
 fun MessageFromJarvis(
@@ -95,7 +120,7 @@ fun MessageFromUser(text: String) {
                 .fillMaxWidth(fraction = 0.8F)
                 .clip(RoundedCornerShape(15.dp))
                 .background(color = MaterialTheme.colors.secondary)
-                .padding(horizontal = 10.dp, vertical = 5.dp)
+                .padding(horizontal = 10.dp, vertical = 10.dp)
         ) {
             Text(
                 text = text,

app/src/main/java/ch/mathieubroillet/jarvis/android/nav/Navigation.kt

@@ -1,10 +1,14 @@
 package ch.mathieubroillet.jarvis.android.nav
 
 import androidx.compose.runtime.Composable
+import androidx.compose.ui.res.stringResource
 import androidx.navigation.NavController
 import androidx.navigation.compose.NavHost
 import androidx.navigation.compose.composable
 import androidx.navigation.compose.rememberNavController
+import ch.mathieubroillet.jarvis.android.R
+import ch.mathieubroillet.jarvis.android.chat.ConversationUiState
+import ch.mathieubroillet.jarvis.android.chat.Message
 import ch.mathieubroillet.jarvis.android.pages.DisplayMainPage
 import ch.mathieubroillet.jarvis.android.pages.DisplayPermissionsPage
 import ch.mathieubroillet.jarvis.android.pages.DisplaySettingsPage
@@ -39,7 +43,17 @@ fun Navigation() {
 
 @Composable
 fun MainScreen(navController: NavController) {
-    DisplayMainPage(navController)
+    DisplayMainPage(
+        navController,
+        ConversationUiState(
+            listOf(
+                Message(
+                    true,
+                    stringResource(id = R.string.demo_message_1)
+                )
+            )
+        )
+    )
 }
 
 @Composable

app/src/main/java/ch/mathieubroillet/jarvis/android/pages/MainPage.kt

@@ -1,7 +1,6 @@
 package ch.mathieubroillet.jarvis.android.pages
 
 import androidx.compose.foundation.layout.*
-import androidx.compose.foundation.lazy.LazyColumn
 import androidx.compose.material.*
 import androidx.compose.runtime.*
 import androidx.compose.ui.Alignment
@@ -15,26 +14,35 @@ import androidx.compose.ui.unit.sp
 import androidx.navigation.NavController
 import androidx.navigation.compose.rememberNavController
 import ch.mathieubroillet.jarvis.android.R
+import ch.mathieubroillet.jarvis.android.chat.ConversationUiState
+import ch.mathieubroillet.jarvis.android.chat.Message
+import ch.mathieubroillet.jarvis.android.chat.Messages
 import ch.mathieubroillet.jarvis.android.nav.Screen
 import ch.mathieubroillet.jarvis.android.ui.theme.JarvisComposeTheme
 import ch.mathieubroillet.jarvis.android.ui.theme.productSansFont
 import ch.mathieubroillet.jarvis.android.utils.DefaultBox
 import ch.mathieubroillet.jarvis.android.utils.IconAlertDialogTextField
-import ch.mathieubroillet.jarvis.android.utils.MessageFromJarvis
-import ch.mathieubroillet.jarvis.android.utils.MessageFromUser
 
 
 //Draws the base of the main activity, that includes the 3-dots menu and the "hi text".
 @Composable
-fun Base(navController: NavController) {
+fun Base(navController: NavController, uiState: ConversationUiState) {
 
-    Column(Modifier.padding(bottom = 25.dp).fillMaxWidth()) {
+    Column(
+        Modifier
+            .padding(bottom = 25.dp)
+            .fillMaxWidth()
+    ) {
         Row(Modifier.align(Alignment.End)) {
+            var text by remember { mutableStateOf("") }
 
             IconAlertDialogTextField(
-                R.drawable.ic_baseline_keyboard_24,
+                buttonIcon = R.drawable.ic_baseline_keyboard_24,
-                stringResource(id = R.string.main_page_dialog_ask_me_anything),
+                title = stringResource(id = R.string.main_page_dialog_ask_me_anything),
-                stringResource(id = R.string.main_page_dialog_type_a_sentence)
+                label = stringResource(id = R.string.main_page_dialog_type_a_sentence),
+                text = text,
+                textFieldValue = { text = it },
+                onOKClick = { uiState.addMessage(Message(false, text)); text = "" }
             )
 
             DropDownSettingsMenu(navController)
@@ -98,24 +106,21 @@ fun StartRecordingFAB() {
     }
 }
 
+
 @Composable
-fun DisplayMainPage(navController: NavController) {
+fun DisplayMainPage(navController: NavController, uiState: ConversationUiState) {
     //We create a main box with basic padding to avoid having stuff too close to every side.
     DefaultBox {
 
         // This column regroup the base and all the conversations (everything except the footer)
         Column(Modifier.padding(bottom = 80.dp)) {
-            Base(navController)
 
-            // This column regroup only the conversations and make them scrollable
+            Base(navController, uiState)
-            LazyColumn(content = {
+
-                item {
+            Messages(
-                    // Basic interaction stuff for demo
+                messages = uiState.messages,
-                    MessageFromJarvis(text = stringResource(id = R.string.demo_message_1))
+                modifier = Modifier.weight(1f)
-                    MessageFromUser(text = stringResource(id = R.string.demo_message_2))
+            )
-                    MessageFromJarvis(text = stringResource(id = R.string.demo_message_3))
-                }
-            })
         }
 
         // Finally we add the footer to the bottom center of the main box
@@ -134,6 +139,10 @@ fun DisplayMainPage(navController: NavController) {
 @Composable
 fun MainPagePreview() {
     JarvisComposeTheme {
-        DisplayMainPage(rememberNavController())
+        DisplayMainPage(
+            rememberNavController(), ConversationUiState(
+                listOf(Message(true, stringResource(id = R.string.demo_message_1)))
+            )
+        )
     }
 }

app/src/main/java/ch/mathieubroillet/jarvis/android/utils/Dialogs.kt

@@ -4,13 +4,14 @@ import androidx.compose.foundation.background
 import androidx.compose.foundation.layout.*
 import androidx.compose.foundation.shape.RoundedCornerShape
 import androidx.compose.material.*
-import androidx.compose.runtime.*
+import androidx.compose.runtime.Composable
+import androidx.compose.runtime.mutableStateOf
+import androidx.compose.runtime.remember
 import androidx.compose.ui.Modifier
 import androidx.compose.ui.draw.clip
 import androidx.compose.ui.graphics.RectangleShape
 import androidx.compose.ui.res.painterResource
 import androidx.compose.ui.res.stringResource
-import androidx.compose.ui.text.input.TextFieldValue
 import androidx.compose.ui.unit.dp
 import androidx.compose.ui.unit.sp
 import ch.mathieubroillet.jarvis.android.R
@@ -21,7 +22,10 @@ import ch.mathieubroillet.jarvis.android.ui.theme.productSansFont
 fun IconAlertDialogTextField(
     buttonIcon: Int = R.drawable.ic_baseline_error_24,
     title: String = "Title",
-    label: String = "Label"
+    label: String = "Label",
+    text: String,
+    textFieldValue: (String) -> Unit,
+    onOKClick: () -> Unit
 ) {
     JarvisComposeTheme {
         Column {
@@ -68,12 +72,9 @@ fun IconAlertDialogTextField(
                                     .fillMaxWidth()
                             ) {
                                 Column {
-                                    var text by remember { mutableStateOf(TextFieldValue("")) }
                                     OutlinedTextField(
                                         value = text,
-                                        onValueChange = { newText ->
+                                        onValueChange = textFieldValue,
-                                            text = newText
-                                        },
                                         label = { Text(text = label) },
                                         colors = TextFieldDefaults.outlinedTextFieldColors(
                                             focusedBorderColor = MaterialTheme.colors.secondaryVariant,
@@ -93,7 +94,9 @@ fun IconAlertDialogTextField(
                                                 color = MaterialTheme.colors.secondary
                                             )
                                         }
-                                        TextButton(onClick = { /*TODO*/ }) {
+                                        TextButton(onClick = {
+                                            onOKClick(); openDialog.value = false
+                                        }) {
                                             Text(
                                                 text = stringResource(id = R.string.ok),
                                                 color = MaterialTheme.colors.secondary
@@ -101,8 +104,6 @@ fun IconAlertDialogTextField(
                                         }
                                     }
                                 }
-
-
                             }
                         }
                     },