feat: Implement a simple bottom navigation bar based UI

for facilitating multiple screens in further releases

app/src/main/java/org/nsh07/pomodoro/ui/AppScreen.kt

@@ -1,7 +1,16 @@
 package org.nsh07.pomodoro.ui
 
+import androidx.compose.foundation.layout.calculateEndPadding
+import androidx.compose.foundation.layout.calculateStartPadding
+import androidx.compose.foundation.layout.padding
 import androidx.compose.material3.ExperimentalMaterial3Api
 import androidx.compose.material3.ExperimentalMaterial3ExpressiveApi
+import androidx.compose.material3.Icon
+import androidx.compose.material3.Scaffold
+import androidx.compose.material3.ShortNavigationBar
+import androidx.compose.material3.ShortNavigationBarItem
+import androidx.compose.material3.ShortNavigationBarItemDefaults
+import androidx.compose.material3.Text
 import androidx.compose.runtime.Composable
 import androidx.compose.runtime.LaunchedEffect
 import androidx.compose.runtime.getValue
@@ -10,10 +19,13 @@ import androidx.compose.runtime.remember
 import androidx.compose.runtime.rememberUpdatedState
 import androidx.compose.runtime.setValue
 import androidx.compose.ui.Modifier
+import androidx.compose.ui.platform.LocalLayoutDirection
+import androidx.compose.ui.res.painterResource
 import androidx.lifecycle.compose.collectAsStateWithLifecycle
 import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.delay
 import kotlinx.coroutines.withContext
+import org.nsh07.pomodoro.R
 import org.nsh07.pomodoro.ui.timerScreen.TimerScreen
 import org.nsh07.pomodoro.ui.viewModel.UiViewModel
 
@@ -36,13 +48,33 @@ fun AppScreen(
         }
     }
 
-    TimerScreen(
-        uiState = uiState,
-        showBrandTitle = showBrandTitle,
-        progress = { progress },
-        resetTimer = viewModel::resetTimer,
-        skipTimer = viewModel::skipTimer,
-        toggleTimer = viewModel::toggleTimer,
-        modifier = modifier
-    )
+    val layoutDirection = LocalLayoutDirection.current
+
+    Scaffold(
+        bottomBar = {
+            ShortNavigationBar {
+                ShortNavigationBarItem(
+                    selected = true,
+                    onClick = { },
+                    icon = { Icon(painterResource(R.drawable.hourglass_filled), null) },
+                    label = { Text("Timer") },
+                    colors = ShortNavigationBarItemDefaults.colors()
+                )
+            }
+        }
+    ) { contentPadding ->
+        TimerScreen(
+            uiState = uiState,
+            showBrandTitle = showBrandTitle,
+            progress = { progress },
+            resetTimer = viewModel::resetTimer,
+            skipTimer = viewModel::skipTimer,
+            toggleTimer = viewModel::toggleTimer,
+            modifier = modifier.padding(
+                start = contentPadding.calculateStartPadding(layoutDirection),
+                end = contentPadding.calculateEndPadding(layoutDirection),
+                bottom = contentPadding.calculateBottomPadding()
+            )
+        )
+    }
 }

app/src/main/java/org/nsh07/pomodoro/ui/timerScreen/TimerScreen.kt

@@ -31,7 +31,6 @@ import androidx.compose.material3.IconButtonDefaults
 import androidx.compose.material3.MaterialTheme.colorScheme
 import androidx.compose.material3.MaterialTheme.motionScheme
 import androidx.compose.material3.MaterialTheme.typography
-import androidx.compose.material3.Scaffold
 import androidx.compose.material3.Text
 import androidx.compose.material3.TopAppBar
 import androidx.compose.runtime.Composable
@@ -94,89 +93,84 @@ fun TimerScreen(
         haptic.performHapticFeedback(HapticFeedbackType.LongPress)
     }
 
-    Scaffold(
-        topBar = {
-            TopAppBar(
-                title = {
-                    AnimatedContent(
-                        if (!showBrandTitle) uiState.timerMode else TimerMode.BRAND,
-                        transitionSpec = {
-                            slideInVertically(
+    Column(modifier = modifier) {
+        TopAppBar(
+            title = {
+                AnimatedContent(
+                    if (!showBrandTitle) uiState.timerMode else TimerMode.BRAND,
+                    transitionSpec = {
+                        slideInVertically(
+                            animationSpec = motionScheme.slowSpatialSpec(),
+                            initialOffsetY = { (-it * 1.25).toInt() }
+                        ).togetherWith(
+                            slideOutVertically(
                                 animationSpec = motionScheme.slowSpatialSpec(),
-                                initialOffsetY = { (-it * 1.25).toInt() }
-                            ).togetherWith(
-                                slideOutVertically(
-                                    animationSpec = motionScheme.slowSpatialSpec(),
-                                    targetOffsetY = { (it * 1.25).toInt() }
-                                )
+                                targetOffsetY = { (it * 1.25).toInt() }
                             )
-                        }
-                    ) {
-                        when (it) {
-                            TimerMode.BRAND ->
-                                Text(
-                                    "Tomato",
-                                    style = TextStyle(
-                                        fontFamily = robotoFlexTitle,
-                                        fontSize = 32.sp,
-                                        lineHeight = 32.sp,
-                                        color = colorScheme.onErrorContainer
-                                    ),
-                                    textAlign = TextAlign.Center,
-                                    modifier = Modifier.width(210.dp)
-                                )
-
-                            TimerMode.FOCUS ->
-                                Text(
-                                    "Focus",
-                                    style = TextStyle(
-                                        fontFamily = robotoFlexTitle,
-                                        fontSize = 32.sp,
-                                        lineHeight = 32.sp,
-                                        color = colorScheme.onPrimaryContainer
-                                    ),
-                                    textAlign = TextAlign.Center,
-                                    modifier = Modifier.width(210.dp)
-                                )
-
-                            TimerMode.SHORT_BREAK -> Text(
-                                "Short Break",
-                                style = TextStyle(
-                                    fontFamily = robotoFlexTitle,
-                                    fontSize = 32.sp,
-                                    lineHeight = 32.sp,
-                                    color = colorScheme.onTertiaryContainer
-                                ),
-                                textAlign = TextAlign.Center,
-                                modifier = Modifier.width(210.dp)
-                            )
-
-                            TimerMode.LONG_BREAK -> Text(
-                                "Long Break",
-                                style = TextStyle(
-                                    fontFamily = robotoFlexTitle,
-                                    fontSize = 32.sp,
-                                    lineHeight = 32.sp,
-                                    color = colorScheme.onTertiaryContainer
-                                ),
-                                textAlign = TextAlign.Center,
-                                modifier = Modifier.width(210.dp)
-                            )
-                        }
+                        )
                     }
-                },
-                subtitle = {},
-                titleHorizontalAlignment = Alignment.CenterHorizontally
-            )
-        },
-        modifier = modifier.fillMaxSize()
-    ) { insets ->
+                ) {
+                    when (it) {
+                        TimerMode.BRAND ->
+                            Text(
+                                "Tomato",
+                                style = TextStyle(
+                                    fontFamily = robotoFlexTitle,
+                                    fontSize = 32.sp,
+                                    lineHeight = 32.sp,
+                                    color = colorScheme.onErrorContainer
+                                ),
+                                textAlign = TextAlign.Center,
+                                modifier = Modifier.width(210.dp)
+                            )
+
+                        TimerMode.FOCUS ->
+                            Text(
+                                "Focus",
+                                style = TextStyle(
+                                    fontFamily = robotoFlexTitle,
+                                    fontSize = 32.sp,
+                                    lineHeight = 32.sp,
+                                    color = colorScheme.onPrimaryContainer
+                                ),
+                                textAlign = TextAlign.Center,
+                                modifier = Modifier.width(210.dp)
+                            )
+
+                        TimerMode.SHORT_BREAK -> Text(
+                            "Short Break",
+                            style = TextStyle(
+                                fontFamily = robotoFlexTitle,
+                                fontSize = 32.sp,
+                                lineHeight = 32.sp,
+                                color = colorScheme.onTertiaryContainer
+                            ),
+                            textAlign = TextAlign.Center,
+                            modifier = Modifier.width(210.dp)
+                        )
+
+                        TimerMode.LONG_BREAK -> Text(
+                            "Long Break",
+                            style = TextStyle(
+                                fontFamily = robotoFlexTitle,
+                                fontSize = 32.sp,
+                                lineHeight = 32.sp,
+                                color = colorScheme.onTertiaryContainer
+                            ),
+                            textAlign = TextAlign.Center,
+                            modifier = Modifier.width(210.dp)
+                        )
+                    }
+                }
+            },
+            subtitle = {},
+            titleHorizontalAlignment = Alignment.CenterHorizontally
+        )
+
         Column(
             verticalArrangement = Arrangement.Center,
             horizontalAlignment = Alignment.CenterHorizontally,
-            modifier = Modifier
-                .fillMaxSize()
-                .padding(insets)
+            modifier = Modifier.fillMaxSize()
         ) {
             Column(horizontalAlignment = Alignment.CenterHorizontally) {
                 Box(contentAlignment = Alignment.Center) {
@@ -423,6 +417,13 @@ fun TimerScreenPreview() {
         timeStr = "03:34", nextTimeStr = "5:00", timerMode = TimerMode.FOCUS, timerRunning = true
     )
     TomatoTheme {
-        TimerScreen(uiState, false, { 0.3f }, {}, {}, {})
+        TimerScreen(
+            uiState,
+            false,
+            { 0.3f },
+            {},
+            {},
+            {}
+        )
     }
 }

app/src/main/res/drawable/hourglass.xml

@@ -0,0 +1,10 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="24dp"
+    android:height="24dp"
+    android:tint="#000000"
+    android:viewportWidth="960"
+    android:viewportHeight="960">
+    <path
+        android:fillColor="@android:color/white"
+        android:pathData="M320,800h320v-120q0,-66 -47,-113t-113,-47q-66,0 -113,47t-47,113v120ZM480,440q66,0 113,-47t47,-113v-120L320,160v120q0,66 47,113t113,47ZM200,880q-17,0 -28.5,-11.5T160,840q0,-17 11.5,-28.5T200,800h40v-120q0,-61 28.5,-114.5T348,480q-51,-32 -79.5,-85.5T240,280v-120h-40q-17,0 -28.5,-11.5T160,120q0,-17 11.5,-28.5T200,80h560q17,0 28.5,11.5T800,120q0,17 -11.5,28.5T760,160h-40v120q0,61 -28.5,114.5T612,480q51,32 79.5,85.5T720,680v120h40q17,0 28.5,11.5T800,840q0,17 -11.5,28.5T760,880L200,880ZM480,800ZM480,160Z" />
+</vector>

app/src/main/res/drawable/hourglass_filled.xml

@@ -0,0 +1,10 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="24dp"
+    android:height="24dp"
+    android:tint="#000000"
+    android:viewportWidth="960"
+    android:viewportHeight="960">
+    <path
+        android:fillColor="@android:color/white"
+        android:pathData="M200,880q-17,0 -28.5,-11.5T160,840q0,-17 11.5,-28.5T200,800h40v-120q0,-61 28.5,-114.5T348,480q-51,-32 -79.5,-85.5T240,280v-120h-40q-17,0 -28.5,-11.5T160,120q0,-17 11.5,-28.5T200,80h560q17,0 28.5,11.5T800,120q0,17 -11.5,28.5T760,160h-40v120q0,61 -28.5,114.5T612,480q51,32 79.5,85.5T720,680v120h40q17,0 28.5,11.5T800,840q0,17 -11.5,28.5T760,880L200,880Z" />
+</vector>

app/src/main/res/drawable/more_vert.xml

@@ -0,0 +1,10 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="24dp"
+    android:height="24dp"
+    android:tint="#000000"
+    android:viewportWidth="960"
+    android:viewportHeight="960">
+    <path
+        android:fillColor="@android:color/white"
+        android:pathData="M480,800q-33,0 -56.5,-23.5T400,720q0,-33 23.5,-56.5T480,640q33,0 56.5,23.5T560,720q0,33 -23.5,56.5T480,800ZM480,560q-33,0 -56.5,-23.5T400,480q0,-33 23.5,-56.5T480,400q33,0 56.5,23.5T560,480q0,33 -23.5,56.5T480,560ZM480,320q-33,0 -56.5,-23.5T400,240q0,-33 23.5,-56.5T480,160q33,0 56.5,23.5T560,240q0,33 -23.5,56.5T480,320Z" />
+</vector>

app/src/main/res/drawable/settings.xml

@@ -0,0 +1,13 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="24dp"
+    android:height="24dp"
+    android:autoMirrored="true"
+    android:tint="#000000"
+    android:viewportWidth="960"
+    android:viewportHeight="960">
+
+    <path
+        android:fillColor="@android:color/white"
+        android:pathData="M433,880q-27,0 -46.5,-18T363,818l-9,-66q-13,-5 -24.5,-12T307,725l-62,26q-25,11 -50,2t-39,-32l-47,-82q-14,-23 -8,-49t27,-43l53,-40q-1,-7 -1,-13.5v-27q0,-6.5 1,-13.5l-53,-40q-21,-17 -27,-43t8,-49l47,-82q14,-23 39,-32t50,2l62,26q11,-8 23,-15t24,-12l9,-66q4,-26 23.5,-44t46.5,-18h94q27,0 46.5,18t23.5,44l9,66q13,5 24.5,12t22.5,15l62,-26q25,-11 50,-2t39,32l47,82q14,23 8,49t-27,43l-53,40q1,7 1,13.5v27q0,6.5 -2,13.5l53,40q21,17 27,43t-8,49l-48,82q-14,23 -39,32t-50,-2l-60,-26q-11,8 -23,15t-24,12l-9,66q-4,26 -23.5,44T527,880h-94ZM482,620q58,0 99,-41t41,-99q0,-58 -41,-99t-99,-41q-59,0 -99.5,41T342,480q0,58 40.5,99t99.5,41Z" />
+
+</vector>