compose updates + initial basic navigation

app/build.gradle

@@ -43,7 +43,7 @@ android {
 }
 
 dependencies {
-    implementation"org.jetbrains.kotlin:kotlin-stdlib:${Versions.kotlin}"
+    implementation "org.jetbrains.kotlin:kotlin-stdlib:1.3.72"
     implementation 'androidx.appcompat:appcompat:1.1.0'
     implementation 'androidx.core:core-ktx:1.3.0'
 
@@ -54,7 +54,7 @@ dependencies {
     implementation "androidx.ui:ui-graphics:${Versions.compose}"
     implementation "androidx.ui:ui-livedata:${Versions.compose}"
 
-    implementation "dev.chrisbanes.accompanist:accompanist-coil:${Versions.coliVersion}"
+    implementation "dev.chrisbanes.accompanist:accompanist-coil:0.1.5"
 
     implementation 'com.google.android.material:material:1.1.0'
     implementation 'androidx.lifecycle:lifecycle-extensions:2.2.0'

app/src/main/java/com/surrus/peopleinspace/ui/MainActivity.kt

@@ -6,13 +6,11 @@ import androidx.compose.*
 import androidx.ui.core.Alignment
 import androidx.ui.core.Modifier
 import androidx.ui.core.setContent
-import androidx.ui.foundation.AdapterList
-import androidx.ui.foundation.Text
+import androidx.ui.foundation.*
 import androidx.ui.graphics.Color
 import androidx.ui.layout.*
 import androidx.ui.livedata.observeAsState
-import androidx.ui.material.MaterialTheme
-import androidx.ui.material.TopAppBar
+import androidx.ui.material.*
 import androidx.ui.text.TextStyle
 import androidx.ui.tooling.preview.Preview
 import androidx.ui.tooling.preview.PreviewParameter
@@ -39,21 +37,35 @@ class MainActivity : AppCompatActivity() {
 
 @Composable
 fun mainLayout(peopleState: State<List<Assignment>>) {
+    val scaffoldState = remember { ScaffoldState() }
     MaterialTheme {
-        Column {
-            TopAppBar(
-                title = {
-                    Text("People In Space")
+        MaterialTheme {
+            Scaffold(
+                scaffoldState = scaffoldState,
+                topAppBar = {
+                    TopAppBar(
+                        title = {
+                            Text("People In Space")
+                        }
+                    )
+                },
+                bodyContent = {
+                    when (val screen = PeopleInSpaceNavigation.currentScreen) {
+                        is Screen.Home -> PersonList(peopleState)
+                        is Screen.PersonDetails -> PersonDetailsView(screen.person)
+                    }
                 }
             )
-            AdapterList(data = peopleState.value) { person ->
-                PersonView(person)
-            }
-
         }
     }
 }
 
+@Composable
+fun PersonList(peopleState: State<List<Assignment>>) {
+    AdapterList(data = peopleState.value) { person ->
+        PersonView(person, itemClick = { navigateTo(Screen.PersonDetails(it)) })
+    }
+}
 
 val personImages = mapOf(
     "Chris Cassidy" to "https://www.nasa.gov/sites/default/files/styles/side_image/public/thumbnails/image/9368855148_f79942efb7_o.jpg?itok=-w5yoryN",
@@ -64,23 +76,38 @@ val personImages = mapOf(
 )
 
 @Composable
-fun PersonView(person: Assignment) {
-    Row(modifier = Modifier.padding(16.dp) + Modifier.fillMaxWidth(), verticalGravity = Alignment.CenterVertically) {
+fun PersonView(person: Assignment, itemClick : (person : Assignment) -> Unit) {
+    Row(
+        modifier = Modifier.padding(16.dp) + Modifier.fillMaxWidth()
+                + Modifier.clickable(onClick = { itemClick(person) }),
+        verticalGravity = Alignment.CenterVertically
+    ) {
+
+        personImages[person.name]?.let { imageUrl ->
+            CoilImage(
+                data = imageUrl,
+                modifier = Modifier.preferredSize(60.dp)
+            )
+        } ?: Spacer(modifier = Modifier.preferredSize(60.dp))
 
-        CoilImage(
-            data = personImages[person.name]!!,
-            modifier = Modifier.preferredSize(60.dp)
-        )
 
         Spacer(modifier = Modifier.preferredSize(12.dp))
 
         Column {
             Text(text = person.name, style = TextStyle(fontSize = 20.sp))
-            Text(text = person.craft, style = TextStyle(color = Color.DarkGray, fontSize = 14.sp))
+            Text(
+                text = person.craft,
+                style = TextStyle(color = Color.DarkGray, fontSize = 14.sp)
+            )
         }
     }
 }
 
+@Composable
+fun PersonDetailsView(person: Assignment) {
+    Text(person.name, style = TextStyle(fontSize = 20.sp))
+}
+
 class PersonProvider : CollectionPreviewParameterProvider<Assignment>(
     listOf(
         Assignment("ISS", "Chris Cassidy"),
@@ -92,6 +119,6 @@ class PersonProvider : CollectionPreviewParameterProvider<Assignment>(
 @Composable
 fun DefaultPreview(@PreviewParameter(PersonProvider::class) person: Assignment) {
     MaterialTheme {
-        PersonView(person)
+        PersonView(person, itemClick = {})
     }
 }

app/src/main/java/com/surrus/peopleinspace/ui/Navigation.kt

@@ -0,0 +1,22 @@
+package com.surrus.peopleinspace.ui
+
+import androidx.compose.getValue
+import androidx.compose.mutableStateOf
+import androidx.compose.setValue
+import com.surrus.common.remote.Assignment
+
+sealed class Screen {
+    object Home : Screen()
+    data class PersonDetails(val person: Assignment) : Screen()
+}
+
+object PeopleInSpaceNavigation {
+    var currentScreen by mutableStateOf<Screen>(Screen.Home)
+}
+
+/**
+ * Temporary solution pending navigation support.
+ */
+fun navigateTo(destination: Screen) {
+    PeopleInSpaceNavigation.currentScreen = destination
+}

build.gradle.kts

@@ -8,8 +8,8 @@ buildscript {
     }
     dependencies {
         classpath("com.android.tools.build:gradle:${Versions.androidBuildToolsVersion}")
-        classpath(kotlin("gradle-plugin", version = "${Versions.kotlin}"))
-        classpath(kotlin("serialization", version = "${Versions.kotlin}"))
+        classpath(kotlin("gradle-plugin", version = Versions.kotlin))
+        classpath(kotlin("serialization", version = Versions.kotlin))
         classpath("com.squareup.sqldelight:gradle-plugin:${Versions.sqlDelight}")
     }
 }

buildSrc/src/main/java/Dependencies.kt

@@ -1,6 +1,6 @@
 
 object Versions {
-    const val androidBuildToolsVersion = "4.2.0-alpha01"
+    const val androidBuildToolsVersion = "4.2.0-alpha02"
 
     const val kotlin = "1.3.72"
     const val kotlinCoroutines = "1.3.5-native-mt"
@@ -17,7 +17,7 @@ object Versions {
     const val lifecycle = "2.2.0-alpha01"
     const val fragment = "1.1.0-alpha09"
     const val compose = "0.1.0-dev13"
-    const val coliVersion = "0.1.5"
+    const val coilVersion = "0.1.5"
 
     const val junit = "4.12"
     const val coreTesting = "2.0.0"