Separate screen code into different files

app/src/main/java/dev/lonami/talaria/MainActivity.kt

@@ -3,28 +3,11 @@ package dev.lonami.talaria
 import android.os.Bundle
 import androidx.activity.ComponentActivity
 import androidx.activity.compose.setContent
-import androidx.compose.foundation.Image
+import androidx.compose.foundation.layout.fillMaxSize
-import androidx.compose.foundation.layout.*
+import androidx.compose.material.MaterialTheme
-import androidx.compose.foundation.lazy.LazyColumn
+import androidx.compose.material.Surface
-import androidx.compose.foundation.text.KeyboardActions
-import androidx.compose.foundation.text.KeyboardOptions
-import androidx.compose.material.*
-import androidx.compose.runtime.*
-import androidx.compose.ui.Alignment
 import androidx.compose.ui.Modifier
-import androidx.compose.ui.platform.LocalFocusManager
+import dev.lonami.talaria.ui.LoginScreen
-import androidx.compose.ui.res.painterResource
-import androidx.compose.ui.res.stringResource
-import androidx.compose.ui.text.font.FontWeight
-import androidx.compose.ui.text.input.ImeAction
-import androidx.compose.ui.text.input.KeyboardType
-import androidx.compose.ui.tooling.preview.Preview
-import androidx.compose.ui.unit.dp
-import androidx.compose.ui.unit.sp
-import dev.lonami.talaria.data.DialogSource
-import dev.lonami.talaria.data.MessageSource
-import dev.lonami.talaria.model.Dialog
-import dev.lonami.talaria.model.Message
 import dev.lonami.talaria.ui.theme.TalariaTheme
 
 class MainActivity : ComponentActivity() {
@@ -37,186 +20,9 @@ class MainActivity : ComponentActivity() {
                     modifier = Modifier.fillMaxSize(),
                     color = MaterialTheme.colors.background
                 ) {
-                    Login()
+                    LoginScreen()
                 }
             }
         }
     }
 }
-
-enum class LoginStage {
-    ASK_PHONE,
-    ASK_CODE,
-}
-
-fun isPhoneValid(phone: String): Boolean = phone.trim('+', ' ').isNotEmpty()
-fun isLoginCodeValid(code: String): Boolean = code.trim().count { it.isDigit() } == 5
-
-@Composable
-fun PhoneInput(phone: String, onPhoneChanged: (String) -> Unit, onSendCode: () -> Unit) {
-    val focusManager = LocalFocusManager.current
-
-    Text(stringResource(R.string.enter_phone))
-    TextField(
-        phone,
-        label = { Text(stringResource(R.string.phone_international)) },
-        placeholder = { Text(stringResource(R.string.phone_example)) },
-        singleLine = true,
-        keyboardOptions = KeyboardOptions(
-            keyboardType = KeyboardType.Phone,
-            imeAction = ImeAction.Done
-        ),
-        keyboardActions = KeyboardActions(onDone = { focusManager.clearFocus() }),
-        modifier = Modifier.fillMaxWidth(),
-        onValueChange = onPhoneChanged
-    )
-    Spacer(Modifier.height(16.dp))
-    Button(
-        enabled = isPhoneValid(phone),
-        modifier = Modifier.fillMaxWidth(),
-        onClick = onSendCode
-    ) {
-        Text(stringResource(R.string.send_otp))
-    }
-}
-
-@Composable
-fun OtpInput(otp: String, onOtpChanged: (String) -> Unit, onConfirmOtp: () -> Unit) {
-    val focusManager = LocalFocusManager.current
-
-    Text(stringResource(R.string.enter_otp))
-    TextField(
-        otp,
-        label = { Text(stringResource(R.string.otp)) },
-        placeholder = { Text(stringResource(R.string.otp_example)) },
-        singleLine = true,
-        keyboardOptions = KeyboardOptions(
-            keyboardType = KeyboardType.Number,
-            imeAction = ImeAction.Done
-        ),
-        keyboardActions = KeyboardActions(onDone = { focusManager.clearFocus() }),
-        modifier = Modifier.fillMaxWidth(),
-        onValueChange = onOtpChanged
-    )
-    Spacer(Modifier.height(16.dp))
-    Button(
-        enabled = isLoginCodeValid(otp),
-        modifier = Modifier.fillMaxWidth(),
-        onClick = onConfirmOtp
-    ) {
-        Text(stringResource(R.string.do_login))
-    }
-}
-
-@Composable
-fun DialogCard(dialog: Dialog) {
-    Card(
-        modifier = Modifier
-            .fillMaxWidth()
-            .padding(8.dp, 16.dp)
-    ) {
-        Row {
-            Image(
-                painter = painterResource(R.drawable.ic_launcher_foreground),
-                contentDescription = stringResource(R.string.profile_photo),
-            )
-            Column(modifier = Modifier.weight(1.0f)) {
-                Text(dialog.title, fontWeight = FontWeight.Bold)
-                Text(dialog.lastMessage)
-            }
-            Switch(dialog.pinned, enabled = false, onCheckedChange = null)
-        }
-    }
-}
-
-@Composable
-fun DialogList(dialogs: List<Dialog>) {
-    LazyColumn {
-        items(dialogs.size) { DialogCard(dialogs[it]) }
-    }
-}
-
-@Composable
-fun MessageCard(message: Message) {
-    Card(
-        elevation = 4.dp,
-        modifier = Modifier
-            .fillMaxWidth()
-            .padding(8.dp)
-    ) {
-        Column(modifier = Modifier
-            .fillMaxWidth()
-            .padding(8.dp)) {
-            Text(message.sender, fontWeight = FontWeight.Bold)
-            Text(message.text)
-        }
-    }
-}
-
-@Composable
-fun MessageList(messages: List<Message>) {
-    LazyColumn {
-        items(messages.size) { MessageCard(messages[it]) }
-    }
-}
-
-@Composable
-fun Login() {
-    var stage by remember { mutableStateOf(LoginStage.ASK_PHONE) }
-    var phone by remember { mutableStateOf("") }
-    var otp by remember { mutableStateOf("") }
-
-    Column(
-        modifier = Modifier
-            .fillMaxSize()
-            .padding(16.dp),
-        verticalArrangement = Arrangement.Center
-    ) {
-        Text(
-            stringResource(R.string.welcome_to, stringResource(R.string.app_name)),
-            fontSize = 24.sp,
-            fontWeight = FontWeight.Bold,
-            modifier = Modifier
-                .fillMaxWidth()
-                .wrapContentWidth(Alignment.CenterHorizontally)
-                .padding(16.dp)
-        )
-        when (stage) {
-            LoginStage.ASK_PHONE -> PhoneInput(
-                phone,
-                onPhoneChanged = { phone = it },
-                onSendCode = { stage = LoginStage.ASK_CODE })
-            LoginStage.ASK_CODE -> OtpInput(otp, onOtpChanged = { otp = it }, onConfirmOtp = {
-
-            })
-        }
-    }
-}
-
-@Preview(showBackground = true)
-@Composable
-fun LoginPreview() {
-    TalariaTheme {
-        Login()
-    }
-}
-
-@Preview
-@Composable
-fun DialogPreview() {
-    TalariaTheme {
-        DialogList(
-            DialogSource.loadDialogs()
-        )
-    }
-}
-
-@Preview
-@Composable
-fun ChatPreview() {
-    TalariaTheme {
-        MessageList(
-            MessageSource.loadMessages()
-        )
-    }
-}

app/src/main/java/dev/lonami/talaria/ui/ChatScreen.kt

@@ -0,0 +1,52 @@
+package dev.lonami.talaria.ui
+
+import androidx.compose.foundation.layout.Column
+import androidx.compose.foundation.layout.fillMaxWidth
+import androidx.compose.foundation.layout.padding
+import androidx.compose.foundation.lazy.LazyColumn
+import androidx.compose.material.Card
+import androidx.compose.material.Text
+import androidx.compose.runtime.Composable
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.text.font.FontWeight
+import androidx.compose.ui.tooling.preview.Preview
+import androidx.compose.ui.unit.dp
+import dev.lonami.talaria.data.MessageSource
+import dev.lonami.talaria.model.Message
+import dev.lonami.talaria.ui.theme.TalariaTheme
+
+@Composable
+fun MessageCard(message: Message) {
+    Card(
+        elevation = 4.dp,
+        modifier = Modifier
+            .fillMaxWidth()
+            .padding(8.dp)
+    ) {
+        Column(
+            modifier = Modifier
+                .fillMaxWidth()
+                .padding(8.dp)
+        ) {
+            Text(message.sender, fontWeight = FontWeight.Bold)
+            Text(message.text)
+        }
+    }
+}
+
+@Composable
+fun MessageList(messages: List<Message>) {
+    LazyColumn {
+        items(messages.size) { MessageCard(messages[it]) }
+    }
+}
+
+@Preview
+@Composable
+fun ChatPreview() {
+    TalariaTheme {
+        MessageList(
+            MessageSource.loadMessages()
+        )
+    }
+}

app/src/main/java/dev/lonami/talaria/ui/DialogScreen.kt

@@ -0,0 +1,60 @@
+package dev.lonami.talaria.ui
+
+import androidx.compose.foundation.Image
+import androidx.compose.foundation.layout.Column
+import androidx.compose.foundation.layout.Row
+import androidx.compose.foundation.layout.fillMaxWidth
+import androidx.compose.foundation.layout.padding
+import androidx.compose.foundation.lazy.LazyColumn
+import androidx.compose.material.Card
+import androidx.compose.material.Switch
+import androidx.compose.material.Text
+import androidx.compose.runtime.Composable
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.res.painterResource
+import androidx.compose.ui.res.stringResource
+import androidx.compose.ui.text.font.FontWeight
+import androidx.compose.ui.tooling.preview.Preview
+import androidx.compose.ui.unit.dp
+import dev.lonami.talaria.R
+import dev.lonami.talaria.data.DialogSource
+import dev.lonami.talaria.model.Dialog
+import dev.lonami.talaria.ui.theme.TalariaTheme
+
+@Composable
+fun DialogCard(dialog: Dialog) {
+    Card(
+        modifier = Modifier
+            .fillMaxWidth()
+            .padding(8.dp, 16.dp)
+    ) {
+        Row {
+            Image(
+                painter = painterResource(R.drawable.ic_launcher_foreground),
+                contentDescription = stringResource(R.string.profile_photo),
+            )
+            Column(modifier = Modifier.weight(1.0f)) {
+                Text(dialog.title, fontWeight = FontWeight.Bold)
+                Text(dialog.lastMessage)
+            }
+            Switch(dialog.pinned, enabled = false, onCheckedChange = null)
+        }
+    }
+}
+
+@Composable
+fun DialogList(dialogs: List<Dialog>) {
+    LazyColumn {
+        items(dialogs.size) { DialogCard(dialogs[it]) }
+    }
+}
+
+@Preview
+@Composable
+fun DialogPreview() {
+    TalariaTheme {
+        DialogList(
+            DialogSource.loadDialogs()
+        )
+    }
+}

app/src/main/java/dev/lonami/talaria/ui/LoginScreen.kt

@@ -0,0 +1,126 @@
+package dev.lonami.talaria.ui
+
+import androidx.compose.foundation.layout.*
+import androidx.compose.foundation.text.KeyboardActions
+import androidx.compose.foundation.text.KeyboardOptions
+import androidx.compose.material.Button
+import androidx.compose.material.Text
+import androidx.compose.material.TextField
+import androidx.compose.runtime.*
+import androidx.compose.ui.Alignment
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.platform.LocalFocusManager
+import androidx.compose.ui.res.stringResource
+import androidx.compose.ui.text.font.FontWeight
+import androidx.compose.ui.text.input.ImeAction
+import androidx.compose.ui.text.input.KeyboardType
+import androidx.compose.ui.tooling.preview.Preview
+import androidx.compose.ui.unit.dp
+import androidx.compose.ui.unit.sp
+import dev.lonami.talaria.R
+import dev.lonami.talaria.ui.theme.TalariaTheme
+
+enum class LoginStage {
+    ASK_PHONE,
+    ASK_CODE,
+}
+
+fun isPhoneValid(phone: String): Boolean = phone.trim('+', ' ').isNotEmpty()
+fun isLoginCodeValid(code: String): Boolean = code.trim().count { it.isDigit() } == 5
+
+@Composable
+fun PhoneInput(phone: String, onPhoneChanged: (String) -> Unit, onSendCode: () -> Unit) {
+    val focusManager = LocalFocusManager.current
+
+    Text(stringResource(R.string.enter_phone))
+    TextField(
+        phone,
+        label = { Text(stringResource(R.string.phone_international)) },
+        placeholder = { Text(stringResource(R.string.phone_example)) },
+        singleLine = true,
+        keyboardOptions = KeyboardOptions(
+            keyboardType = KeyboardType.Phone,
+            imeAction = ImeAction.Done
+        ),
+        keyboardActions = KeyboardActions(onDone = { focusManager.clearFocus() }),
+        modifier = Modifier.fillMaxWidth(),
+        onValueChange = onPhoneChanged
+    )
+    Spacer(Modifier.height(16.dp))
+    Button(
+        enabled = isPhoneValid(phone),
+        modifier = Modifier.fillMaxWidth(),
+        onClick = onSendCode
+    ) {
+        Text(stringResource(R.string.send_otp))
+    }
+}
+
+@Composable
+fun OtpInput(otp: String, onOtpChanged: (String) -> Unit, onConfirmOtp: () -> Unit) {
+    val focusManager = LocalFocusManager.current
+
+    Text(stringResource(R.string.enter_otp))
+    TextField(
+        otp,
+        label = { Text(stringResource(R.string.otp)) },
+        placeholder = { Text(stringResource(R.string.otp_example)) },
+        singleLine = true,
+        keyboardOptions = KeyboardOptions(
+            keyboardType = KeyboardType.Number,
+            imeAction = ImeAction.Done
+        ),
+        keyboardActions = KeyboardActions(onDone = { focusManager.clearFocus() }),
+        modifier = Modifier.fillMaxWidth(),
+        onValueChange = onOtpChanged
+    )
+    Spacer(Modifier.height(16.dp))
+    Button(
+        enabled = isLoginCodeValid(otp),
+        modifier = Modifier.fillMaxWidth(),
+        onClick = onConfirmOtp
+    ) {
+        Text(stringResource(R.string.do_login))
+    }
+}
+
+@Composable
+fun LoginScreen() {
+    var stage by remember { mutableStateOf(LoginStage.ASK_PHONE) }
+    var phone by remember { mutableStateOf("") }
+    var otp by remember { mutableStateOf("") }
+
+    Column(
+        modifier = Modifier
+            .fillMaxSize()
+            .padding(16.dp),
+        verticalArrangement = Arrangement.Center
+    ) {
+        Text(
+            stringResource(R.string.welcome_to, stringResource(R.string.app_name)),
+            fontSize = 24.sp,
+            fontWeight = FontWeight.Bold,
+            modifier = Modifier
+                .fillMaxWidth()
+                .wrapContentWidth(Alignment.CenterHorizontally)
+                .padding(16.dp)
+        )
+        when (stage) {
+            LoginStage.ASK_PHONE -> PhoneInput(
+                phone,
+                onPhoneChanged = { phone = it },
+                onSendCode = { stage = LoginStage.ASK_CODE })
+            LoginStage.ASK_CODE -> OtpInput(otp, onOtpChanged = { otp = it }, onConfirmOtp = {
+
+            })
+        }
+    }
+}
+
+@Preview(showBackground = true)
+@Composable
+fun LoginPreview() {
+    TalariaTheme {
+        LoginScreen()
+    }
+}