Convert into a KMM module

.github/workflows/android.yml

@@ -10,64 +10,70 @@ jobs:
   Build:
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v4
-    - name: set up JDK 17
-      uses: actions/setup-java@v2
-      with:
-        java-version: '17'
-        distribution: 'adopt'
-        cache: gradle
-
-    - uses: actions/cache@v3
-      with:
-        path: |
-          ~/.gradle/caches
-          ~/.gradle/wrapper
-        key: ${{ runner.os }}-gradle-${{ hashFiles('**/*.gradle*', '**/gradle-wrapper.properties') }}
-        restore-keys: |
-          ${{ runner.os }}-gradle-
-
-
-    - name: Make gradle wrapper executable
-      run: chmod +x gradlew
-
-    - name: Build with Gradle
-      run: ./gradlew build
+      - uses: actions/checkout@v4
+      - name: set up JDK 17
+        uses: actions/setup-java@v3
+        with:
+          java-version: '17'
+          distribution: 'zulu'
+          cache: gradle
+
+      - name: Setup Gradle
+        uses: gradle/actions/setup-gradle@v4
+
+      - name: Make gradle wrapper executable
+        run: chmod +x gradlew
+
+      - name: Build with Gradle
+        run: ./gradlew build
 
   Automation:
-    needs: Build
     runs-on: ubuntu-latest
+    needs: build
     steps:
       - name: checkout
         uses: actions/checkout@v4
 
-      - name: set up JDK 15
-        uses: actions/setup-java@v2
+      - name: set up JDK 17
+        uses: actions/setup-java@v3
         with:
           java-version: '17'
-          distribution: 'adopt'
+          distribution: 'zulu'
           cache: gradle
-
-      - uses: actions/cache@v3
-        with:
-          path: |
-            ~/.gradle/caches
-            ~/.gradle/wrapper
-          key: ${{ runner.os }}-gradle-${{ hashFiles('**/*.gradle*', '**/gradle-wrapper.properties') }}
-          restore-keys: |
-            ${{ runner.os }}-gradle-
-
 
       - name: Enable KVM
         run: |
           echo 'KERNEL=="kvm", GROUP="kvm", MODE="0666", OPTIONS+="static_node=kvm"' | sudo tee /etc/udev/rules.d/99-kvm4all.rules
           sudo udevadm control --reload-rules
           sudo udevadm trigger --name-match=kvm
 
-      - name: Run UI Tests
+      - name: Gradle cache
+        uses: gradle/actions/setup-gradle@v3
+
+      - name: AVD cache
+        uses: actions/cache@v4
+        id: avd-cache
+        with:
+          path: |
+            ~/.android/avd/*
+            ~/.android/adb*
+          key: avd-29
+
+      - name: Create AVD and generate snapshot for caching
+        if: steps.avd-cache.outputs.cache-hit != 'true'
+        uses: reactivecircus/android-emulator-runner@v2
+        with:
+          api-level: 29
+          force-avd-creation: false
+          emulator-options: -no-window -gpu swiftshader_indirect -noaudio -no-boot-anim -camera-back none
+          disable-animations: false
+          script: echo "Generated AVD snapshot for caching."
+
+      - name: run tests
         uses: reactivecircus/android-emulator-runner@v2
         with:
           api-level: 29
-          ndk: 21.0.6113669
-          cmake: 3.10.2.4988404
-          script: ./gradlew app:connectedCheck
+          force-avd-creation: false
+          emulator-options: -no-snapshot-save -no-window -gpu swiftshader_indirect -noaudio -no-boot-anim -camera-back none
+          disable-animations: true
+          script: ./gradlew app:connectedCheck && killall -INT crashpad_handler || true

.gitignore

@@ -77,3 +77,4 @@ lint/generated/
 lint/outputs/
 lint/tmp/
 # lint/reports/
+.kotlin

app/build.gradle.kts

@@ -9,7 +9,7 @@ android {
 
     defaultConfig {
         applicationId = "com.foreverrafs.datepickertimeline"
-        minSdk = 26
+        minSdk = 28
         targetSdk = 35
         versionCode = 1
         versionName = "0.7.1"
@@ -22,11 +22,7 @@ android {
             isMinifyEnabled = true
             isShrinkResources = true
             proguardFiles(getDefaultProguardFile("proguard-android.txt"), "proguard-rules.pro")
-        }
-
-        getByName("debug") {
-            isMinifyEnabled = false
-            isDebuggable = true
+            signingConfig = signingConfigs.getByName("debug")
         }
     }
 
@@ -52,7 +48,6 @@ android {
         compose = true
     }
 
-
     packaging {
         resources {
             excludes +=
@@ -91,6 +86,7 @@ dependencies {
     // UI Tests
     androidTestImplementation(libs.compose.ui.test.unit)
     androidTestImplementation(libs.compose.ui.test.junit)
+    implementation(libs.kotlin.datetime)
 
     implementation("com.godaddy.android.colorpicker:compose-color-picker-android:0.7.0")
     debugImplementation(libs.compose.ui.test.manifest)

app/src/androidTest/java/com/foreverrafs/datepickertimeline/DatePickerTimelineTests.kt

@@ -9,17 +9,26 @@ import androidx.compose.ui.platform.testTag
 import com.foreverrafs.datepicker.DatePickerTimeline
 import com.foreverrafs.datepicker.state.DatePickerState
 import com.foreverrafs.datepicker.state.rememberDatePickerState
+import kotlinx.datetime.Clock
+import kotlinx.datetime.DateTimeUnit
+import kotlinx.datetime.LocalDate
+import kotlinx.datetime.TimeZone
+import kotlinx.datetime.format.FormatStringsInDatetimeFormats
+import kotlinx.datetime.format.byUnicodePattern
+import kotlinx.datetime.minus
+import kotlinx.datetime.todayIn
 import org.junit.Test
-import java.time.LocalDate
-import java.time.format.DateTimeFormatter
 
 /**
  * Instrumented test, which will execute on an Android device.
  *
  * See [testing documentation](http://d.android.com/tools/testing).
  */
+@OptIn(FormatStringsInDatetimeFormats::class)
 internal class DatePickerTimelineTests : BaseTest() {
-    private val dateFormatter = DateTimeFormatter.ofPattern("dd/MM/yyyy")
+    private val dateFormatter = LocalDate.Format {
+        byUnicodePattern("dd/MM/yyyy")
+    }
 
     @Composable
     fun TestDatePickerContent(
@@ -51,7 +60,7 @@ internal class DatePickerTimelineTests : BaseTest() {
     @Test
     fun verifyTimeLineAppearsCorrectly() {
         var state: DatePickerState?
-        val initialDate = LocalDate.of(2020, 5, 12)
+        val initialDate = LocalDate(2020, 5, 12)
 
         setContent {
             state = rememberDatePickerState(initialDate)
@@ -60,7 +69,7 @@ internal class DatePickerTimelineTests : BaseTest() {
                 TestDatePickerContent(state = state, onButtonClicked = {
                     // Move to 20th June, 2020
                     state.smoothScrollToDate(
-                        LocalDate.of(2020, 6, 20),
+                        LocalDate(2020, 6, 20),
                     )
                 })
             }
@@ -79,13 +88,13 @@ internal class DatePickerTimelineTests : BaseTest() {
         setContent {
             TestDatePickerContent(
                 state = rememberDatePickerState(
-                    initialDate = LocalDate.now(),
+                    initialDate = Clock.System.todayIn(TimeZone.UTC),
                 ),
             )
         }
 
         datePickerTimeLineRobot {
-            val today = dateFormatter.format(LocalDate.now())
+            val today = dateFormatter.format(Clock.System.todayIn(TimeZone.UTC))
             // Given today's date
             verifyDateIsDisplayed(date = today)
 
@@ -110,7 +119,7 @@ internal class DatePickerTimelineTests : BaseTest() {
                 state =
                 rememberDatePickerState(
                     initialDate =
-                    LocalDate.of(
+                    LocalDate(
                         2021,
                         5,
                         12,
@@ -133,7 +142,11 @@ internal class DatePickerTimelineTests : BaseTest() {
             performClickOnNodeWithText(text = "Today")
 
             // Verify that today's date comes into view
-            verifyDateIsDisplayed(date = dateFormatter.format(LocalDate.now()))
+            verifyDateIsDisplayed(
+                date = dateFormatter.format(
+                    Clock.System.todayIn(TimeZone.UTC),
+                ),
+            )
         }
     }
 
@@ -142,21 +155,21 @@ internal class DatePickerTimelineTests : BaseTest() {
         var state: DatePickerState? = null
 
         setContent {
-            state = rememberDatePickerState(initialDate = LocalDate.of(2021, 12, 12))
+            state = rememberDatePickerState(initialDate = LocalDate(2021, 12, 12))
 
             TestDatePickerContent(state = state!!, pastDaysCount = 180)
         }
         datePickerTimeLineRobot {
             // Programmatically change state to another date
-            state?.smoothScrollToDate(LocalDate.of(2022, 5, 12))
+            state?.smoothScrollToDate(LocalDate(2022, 5, 12))
             verifyDateIsDisplayed(date = "12/05/2022")
         }
     }
 
     @Test
     fun verifyInvalidPastDateSelectsFirstDate() {
         var state: DatePickerState? = null
-        val initialDate = LocalDate.of(2021, 12, 12)
+        val initialDate = LocalDate(2021, 12, 12)
         val pastDaysCount = 10
 
         setContent {
@@ -167,9 +180,9 @@ internal class DatePickerTimelineTests : BaseTest() {
 
         datePickerTimeLineRobot {
             // Scroll to an invalid date
-            state?.smoothScrollToDate(LocalDate.of(2017, 1, 1))
+            state?.smoothScrollToDate(LocalDate(2017, 1, 1))
 
-            val requiredDate = initialDate.minusDays(pastDaysCount.toLong())
+            val requiredDate = initialDate.minus(pastDaysCount.toLong(), DateTimeUnit.DAY)
 
             verifyDateIsDisplayed(date = dateFormatter.format(requiredDate))
         }

app/src/main/java/com/foreverrafs/datepickertimeline/MainActivity.kt

@@ -1,3 +1,5 @@
+@file:OptIn(FormatStringsInDatetimeFormats::class)
+
 package com.foreverrafs.datepickertimeline
 
 import android.os.Bundle
@@ -38,8 +40,14 @@ import com.foreverrafs.datepickertimeline.ui.theme.DatepickertimelineTheme
 import com.foreverrafs.datepickertimeline.ui.theme.Purple500
 import com.godaddy.android.colorpicker.ClassicColorPicker
 import com.godaddy.android.colorpicker.HsvColor
-import java.time.LocalDate
-import java.time.format.DateTimeFormatter
+import kotlinx.datetime.Clock
+import kotlinx.datetime.DateTimeUnit
+import kotlinx.datetime.LocalDate
+import kotlinx.datetime.TimeZone
+import kotlinx.datetime.format.FormatStringsInDatetimeFormats
+import kotlinx.datetime.format.byUnicodePattern
+import kotlinx.datetime.plus
+import kotlinx.datetime.todayIn
 import kotlin.random.Random
 
 class MainActivity : ComponentActivity() {
@@ -68,7 +76,7 @@ fun App() {
                     .fillMaxSize(),
             ) {
                 val datePickerState =
-                    rememberDatePickerState(initialDate = LocalDate.of(2021, 5, 12))
+                    rememberDatePickerState(initialDate = kotlinx.datetime.LocalDate(2021, 5, 12))
 
                 var mainBackgroundColor by remember { mutableStateOf(Purple500) }
                 var selectedDateBackgroundColor by remember {
@@ -78,7 +86,7 @@ fun App() {
                     mutableStateOf(Color.Black.copy(alpha = 0.35f))
                 }
                 var dateTextColor by remember { mutableStateOf(Color.White) }
-                val today = LocalDate.now()
+                val today = Clock.System.todayIn(TimeZone.currentSystemDefault())
 
                 DatePickerTimeline(
                     modifier = Modifier.wrapContentSize(),
@@ -91,10 +99,10 @@ fun App() {
                     dateTextColor = dateTextColor,
                     eventDates =
                     listOf(
-                        today.plusDays(1),
-                        today.plusDays(3),
-                        today.plusDays(5),
-                        today.plusDays(8),
+                        today.plus(1, DateTimeUnit.DAY),
+                        today.plus(3, DateTimeUnit.DAY),
+                        today.plus(5, DateTimeUnit.DAY),
+                        today.plus(8, DateTimeUnit.DAY),
                     ),
                     todayLabel = {
                         Text(
@@ -168,7 +176,7 @@ fun App() {
                             .clip(RoundedCornerShape(8.dp)),
                         onClick = {
                             datePickerState.smoothScrollToDate(
-                                LocalDate.now().plusDays(Random.nextLong(until = 50)),
+                                today.plus(Random.nextLong(until = 50), DateTimeUnit.DAY),
                             )
                         },
                     ) {
@@ -178,10 +186,9 @@ fun App() {
                     Text(
                         modifier = Modifier.fillMaxWidth(),
                         textAlign = TextAlign.Center,
-                        text =
-                        DateTimeFormatter
-                            .ofPattern("MMMM dd, yyyy")
-                            .format(datePickerState.selectedDate),
+                        text = LocalDate.Format {
+                            byUnicodePattern("MM dd, yyyy")
+                        }.format(datePickerState.selectedDate),
                         style = MaterialTheme.typography.h6,
                     )
                 }

build.gradle

@@ -9,6 +9,7 @@ plugins {
     alias(libs.plugins.android.application) apply false
     alias(libs.plugins.kotlin.android) apply false
     alias(libs.plugins.detekt) apply false
+    alias(libs.plugins.kotlin.multiplatform) apply false
     alias(libs.plugins.compose.compiler) apply false
 }