Initial WIP on Wear OS tile app

WearOS/.gitignore

@@ -0,0 +1,39 @@
+# built application files
+*.apk
+*.ap_
+
+# Mac files
+.DS_Store
+
+# files for the dex VM
+*.dex
+
+# Java class files
+*.class
+
+# generated files
+bin/
+gen/
+
+# Ignore gradle files
+.gradle/
+# Local configuration file (sdk path, etc)
+build/
+captures/
+.externalNativeBuild
+
+# Local configuration file (sdk path, etc)
+local.properties
+
+# Proguard folder generated by Eclipse
+proguard/
+proguard-project.txt
+
+# Eclipse files
+.project
+.classpath
+.settings/
+
+# Android Studio/IDEA
+*.iml
+.idea

WearOS/CONTRIBUTING.md

@@ -0,0 +1,28 @@
+# How to Contribute
+
+We'd love to accept your patches and contributions to this project. There are
+just a few small guidelines you need to follow.
+
+## Contributor License Agreement
+
+Contributions to this project must be accompanied by a Contributor License
+Agreement. You (or your employer) retain the copyright to your contribution;
+this simply gives us permission to use and redistribute your contributions as
+part of the project. Head over to <https://cla.developers.google.com/> to see
+your current agreements on file or to sign a new one.
+
+You generally only need to submit a CLA once, so if you've already submitted one
+(even if it was for a different project), you probably don't need to do it
+again.
+
+## Code reviews
+
+All submissions, including submissions by project members, require review. We
+use GitHub pull requests for this purpose. Consult
+[GitHub Help](https://help.github.com/articles/about-pull-requests/) for more
+information on using pull requests.
+
+## Community Guidelines
+
+This project follows
+[Google's Open Source Community Guidelines](https://opensource.google.com/conduct/).

WearOS/LICENSE

@@ -0,0 +1,202 @@
+
+                                 Apache License
+                           Version 2.0, January 2004
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+
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+
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+   limitations under the License.

WearOS/README.md

@@ -0,0 +1,9 @@
+Wear OS Tile API Code Lab Repository
+======================================
+The Wear OS Tiles provide easy access to the information and actions users need in order to get
+things done.
+
+This repository is to be used in conjunction with the [Wear OS Tile API Code Lab](https://developer.android.com/codelabs/wear-tiles)
+to teach developers how to create a Tile.
+
+To learn more about Tiles, check out [Tile guide](https://developer.android.com/training/articles/wear-tiles).

WearOS/build.gradle

@@ -0,0 +1,34 @@
+/*
+ * Copyright 2021 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+// Top-level build file where you can add configuration options common to all sub-projects/modules.
+buildscript {
+    ext.kotlin_version = "1.5.21"
+    repositories {
+        google()
+        mavenCentral()
+    }
+    dependencies {
+        classpath 'com.android.tools.build:gradle:7.0.2'
+        classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version"
+    }
+}
+subprojects {
+    repositories {
+        google()
+        mavenCentral()
+    }
+}

WearOS/gradle.properties

@@ -0,0 +1,21 @@
+# Project-wide Gradle settings.
+# IDE (e.g. Android Studio) users:
+# Gradle settings configured through the IDE *will override*
+# any settings specified in this file.
+# For more details on how to configure your build environment visit
+# http://www.gradle.org/docs/current/userguide/build_environment.html
+# Specifies the JVM arguments used for the daemon process.
+# The setting is particularly useful for tweaking memory settings.
+org.gradle.jvmargs=-Xmx2048m -Dfile.encoding=UTF-8
+# When configured, Gradle will run in incubating parallel mode.
+# This option should only be used with decoupled projects. More details, visit
+# http://www.gradle.org/docs/current/userguide/multi_project_builds.html#sec:decoupled_projects
+# org.gradle.parallel=true
+# AndroidX package structure to make it clearer which packages are bundled with the
+# Android operating system, and which are packaged with your app"s APK
+# https://developer.android.com/topic/libraries/support-library/androidx-rn
+android.useAndroidX=true
+# Automatically convert third-party libraries to use AndroidX
+android.enableJetifier=true
+# Kotlin code style for this project: "official" or "obsolete":
+kotlin.code.style=official

WearOS/gradle/wrapper/gradle-wrapper.properties

@@ -0,0 +1,6 @@
+#Fri Apr 16 20:26:49 PDT 2021
+distributionBase=GRADLE_USER_HOME
+distributionPath=wrapper/dists
+zipStoreBase=GRADLE_USER_HOME
+zipStorePath=wrapper/dists
+distributionUrl=https\://services.gradle.org/distributions/gradle-7.2-all.zip

WearOS/gradlew

@@ -0,0 +1,172 @@
+#!/usr/bin/env sh
+
+##############################################################################
+##
+##  Gradle start up script for UN*X
+##
+##############################################################################
+
+# Attempt to set APP_HOME
+# Resolve links: $0 may be a link
+PRG="$0"
+# Need this for relative symlinks.
+while [ -h "$PRG" ] ; do
+    ls=`ls -ld "$PRG"`
+    link=`expr "$ls" : '.*-> \(.*\)$'`
+    if expr "$link" : '/.*' > /dev/null; then
+        PRG="$link"
+    else
+        PRG=`dirname "$PRG"`"/$link"
+    fi
+done
+SAVED="`pwd`"
+cd "`dirname \"$PRG\"`/" >/dev/null
+APP_HOME="`pwd -P`"
+cd "$SAVED" >/dev/null
+
+APP_NAME="Gradle"
+APP_BASE_NAME=`basename "$0"`
+
+# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
+DEFAULT_JVM_OPTS=""
+
+# Use the maximum available, or set MAX_FD != -1 to use that value.
+MAX_FD="maximum"
+
+warn () {
+    echo "$*"
+}
+
+die () {
+    echo
+    echo "$*"
+    echo
+    exit 1
+}
+
+# OS specific support (must be 'true' or 'false').
+cygwin=false
+msys=false
+darwin=false
+nonstop=false
+case "`uname`" in
+  CYGWIN* )
+    cygwin=true
+    ;;
+  Darwin* )
+    darwin=true
+    ;;
+  MINGW* )
+    msys=true
+    ;;
+  NONSTOP* )
+    nonstop=true
+    ;;
+esac
+
+CLASSPATH=$APP_HOME/gradle/wrapper/gradle-wrapper.jar
+
+# Determine the Java command to use to start the JVM.
+if [ -n "$JAVA_HOME" ] ; then
+    if [ -x "$JAVA_HOME/jre/sh/java" ] ; then
+        # IBM's JDK on AIX uses strange locations for the executables
+        JAVACMD="$JAVA_HOME/jre/sh/java"
+    else
+        JAVACMD="$JAVA_HOME/bin/java"
+    fi
+    if [ ! -x "$JAVACMD" ] ; then
+        die "ERROR: JAVA_HOME is set to an invalid directory: $JAVA_HOME
+
+Please set the JAVA_HOME variable in your environment to match the
+location of your Java installation."
+    fi
+else
+    JAVACMD="java"
+    which java >/dev/null 2>&1 || die "ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH.
+
+Please set the JAVA_HOME variable in your environment to match the
+location of your Java installation."
+fi
+
+# Increase the maximum file descriptors if we can.
+if [ "$cygwin" = "false" -a "$darwin" = "false" -a "$nonstop" = "false" ] ; then
+    MAX_FD_LIMIT=`ulimit -H -n`
+    if [ $? -eq 0 ] ; then
+        if [ "$MAX_FD" = "maximum" -o "$MAX_FD" = "max" ] ; then
+            MAX_FD="$MAX_FD_LIMIT"
+        fi
+        ulimit -n $MAX_FD
+        if [ $? -ne 0 ] ; then
+            warn "Could not set maximum file descriptor limit: $MAX_FD"
+        fi
+    else
+        warn "Could not query maximum file descriptor limit: $MAX_FD_LIMIT"
+    fi
+fi
+
+# For Darwin, add options to specify how the application appears in the dock
+if $darwin; then
+    GRADLE_OPTS="$GRADLE_OPTS \"-Xdock:name=$APP_NAME\" \"-Xdock:icon=$APP_HOME/media/gradle.icns\""
+fi
+
+# For Cygwin, switch paths to Windows format before running java
+if $cygwin ; then
+    APP_HOME=`cygpath --path --mixed "$APP_HOME"`
+    CLASSPATH=`cygpath --path --mixed "$CLASSPATH"`
+    JAVACMD=`cygpath --unix "$JAVACMD"`
+
+    # We build the pattern for arguments to be converted via cygpath
+    ROOTDIRSRAW=`find -L / -maxdepth 1 -mindepth 1 -type d 2>/dev/null`
+    SEP=""
+    for dir in $ROOTDIRSRAW ; do
+        ROOTDIRS="$ROOTDIRS$SEP$dir"
+        SEP="|"
+    done
+    OURCYGPATTERN="(^($ROOTDIRS))"
+    # Add a user-defined pattern to the cygpath arguments
+    if [ "$GRADLE_CYGPATTERN" != "" ] ; then
+        OURCYGPATTERN="$OURCYGPATTERN|($GRADLE_CYGPATTERN)"
+    fi
+    # Now convert the arguments - kludge to limit ourselves to /bin/sh
+    i=0
+    for arg in "$@" ; do
+        CHECK=`echo "$arg"|egrep -c "$OURCYGPATTERN" -`
+        CHECK2=`echo "$arg"|egrep -c "^-"`                                 ### Determine if an option
+
+        if [ $CHECK -ne 0 ] && [ $CHECK2 -eq 0 ] ; then                    ### Added a condition
+            eval `echo args$i`=`cygpath --path --ignore --mixed "$arg"`
+        else
+            eval `echo args$i`="\"$arg\""
+        fi
+        i=$((i+1))
+    done
+    case $i in
+        (0) set -- ;;
+        (1) set -- "$args0" ;;
+        (2) set -- "$args0" "$args1" ;;
+        (3) set -- "$args0" "$args1" "$args2" ;;
+        (4) set -- "$args0" "$args1" "$args2" "$args3" ;;
+        (5) set -- "$args0" "$args1" "$args2" "$args3" "$args4" ;;
+        (6) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" ;;
+        (7) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" ;;
+        (8) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" ;;
+        (9) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" "$args8" ;;
+    esac
+fi
+
+# Escape application args
+save () {
+    for i do printf %s\\n "$i" | sed "s/'/'\\\\''/g;1s/^/'/;\$s/\$/' \\\\/" ; done
+    echo " "
+}
+APP_ARGS=$(save "$@")
+
+# Collect all arguments for the java command, following the shell quoting and substitution rules
+eval set -- $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS "\"-Dorg.gradle.appname=$APP_BASE_NAME\"" -classpath "\"$CLASSPATH\"" org.gradle.wrapper.GradleWrapperMain "$APP_ARGS"
+
+# by default we should be in the correct project dir, but when run from Finder on Mac, the cwd is wrong
+if [ "$(uname)" = "Darwin" ] && [ "$HOME" = "$PWD" ]; then
+  cd "$(dirname "$0")"
+fi
+
+exec "$JAVACMD" "$@"

WearOS/gradlew.bat

@@ -0,0 +1,84 @@
+@if "%DEBUG%" == "" @echo off
+@rem ##########################################################################
+@rem
+@rem  Gradle startup script for Windows
+@rem
+@rem ##########################################################################
+
+@rem Set local scope for the variables with windows NT shell
+if "%OS%"=="Windows_NT" setlocal
+
+set DIRNAME=%~dp0
+if "%DIRNAME%" == "" set DIRNAME=.
+set APP_BASE_NAME=%~n0
+set APP_HOME=%DIRNAME%
+
+@rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
+set DEFAULT_JVM_OPTS=
+
+@rem Find java.exe
+if defined JAVA_HOME goto findJavaFromJavaHome
+
+set JAVA_EXE=java.exe
+%JAVA_EXE% -version >NUL 2>&1
+if "%ERRORLEVEL%" == "0" goto init
+
+echo.
+echo ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH.
+echo.
+echo Please set the JAVA_HOME variable in your environment to match the
+echo location of your Java installation.
+
+goto fail
+
+:findJavaFromJavaHome
+set JAVA_HOME=%JAVA_HOME:"=%
+set JAVA_EXE=%JAVA_HOME%/bin/java.exe
+
+if exist "%JAVA_EXE%" goto init
+
+echo.
+echo ERROR: JAVA_HOME is set to an invalid directory: %JAVA_HOME%
+echo.
+echo Please set the JAVA_HOME variable in your environment to match the
+echo location of your Java installation.
+
+goto fail
+
+:init
+@rem Get command-line arguments, handling Windows variants
+
+if not "%OS%" == "Windows_NT" goto win9xME_args
+
+:win9xME_args
+@rem Slurp the command line arguments.
+set CMD_LINE_ARGS=
+set _SKIP=2
+
+:win9xME_args_slurp
+if "x%~1" == "x" goto execute
+
+set CMD_LINE_ARGS=%*
+
+:execute
+@rem Setup the command line
+
+set CLASSPATH=%APP_HOME%\gradle\wrapper\gradle-wrapper.jar
+
+@rem Execute Gradle
+"%JAVA_EXE%" %DEFAULT_JVM_OPTS% %JAVA_OPTS% %GRADLE_OPTS% "-Dorg.gradle.appname=%APP_BASE_NAME%" -classpath "%CLASSPATH%" org.gradle.wrapper.GradleWrapperMain %CMD_LINE_ARGS%
+
+:end
+@rem End local scope for the variables with windows NT shell
+if "%ERRORLEVEL%"=="0" goto mainEnd
+
+:fail
+rem Set variable GRADLE_EXIT_CONSOLE if you need the _script_ return code instead of
+rem the _cmd.exe /c_ return code!
+if  not "" == "%GRADLE_EXIT_CONSOLE%" exit 1
+exit /b 1
+
+:mainEnd
+if "%OS%"=="Windows_NT" endlocal
+
+:omega

WearOS/settings.gradle

@@ -0,0 +1,2 @@
+include ':src'
+rootProject.name = "Home Monitor"

WearOS/src/.gitignore

@@ -0,0 +1 @@
+/build

WearOS/src/build.gradle

@@ -0,0 +1,56 @@
+/*
+ * Copyright 2021 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+plugins {
+    id 'com.android.application'
+    id 'kotlin-android'
+}
+
+android {
+    compileSdkVersion 31
+
+    defaultConfig {
+        applicationId "com.chriskaczor.homemonitor.wear"
+        minSdkVersion 26
+        targetSdkVersion 30
+        versionCode 1
+        versionName "1.0"
+    }
+
+    kotlinOptions {
+        jvmTarget = "1.8"
+    }
+
+    compileOptions {
+        sourceCompatibility JavaVersion.VERSION_1_8
+        targetCompatibility JavaVersion.VERSION_1_8
+    }
+}
+
+dependencies {
+    implementation "org.jetbrains.kotlin:kotlin-stdlib:$kotlin_version"
+    implementation 'androidx.core:core-ktx:1.6.0'
+    // General Wear functionality
+    implementation 'androidx.wear:wear:1.1.0'
+    // Tiles functionality
+    implementation "androidx.wear.tiles:tiles:1.0.0-alpha11"
+    // Preview Tiles in an Activity for testing purposes
+    debugImplementation "androidx.wear.tiles:tiles-renderer:1.0.0-alpha11"
+    // Helper library for transforming coroutines to ListenableFutures
+    implementation 'org.jetbrains.kotlinx:kotlinx-coroutines-guava:1.5.1'
+
+    implementation 'com.beust:klaxon:5.5'
+}

WearOS/src/src/debug/AndroidManifest.xml

@@ -0,0 +1,20 @@
+<?xml version="1.0" encoding="utf-8"?>
+<manifest xmlns:android="http://schemas.android.com/apk/res/android"
+    package="com.chriskaczor.homemonitor.wear">
+
+    <uses-feature android:name="android.hardware.type.watch" />
+
+    <application>
+
+        <activity
+            android:name=".TilePreviewActivity"
+            android:label="@string/app_name">
+            <intent-filter>
+                <action android:name="android.intent.action.MAIN" />
+
+                <category android:name="android.intent.category.LAUNCHER" />
+            </intent-filter>
+        </activity>
+
+    </application>
+</manifest>

WearOS/src/src/debug/java/com/chriskaczor/homemonitor/wear/TilePreviewActivity.kt

@@ -0,0 +1,29 @@
+package com.chriskaczor.homemonitor.wear
+
+import android.content.ComponentName
+import android.os.Bundle
+import android.widget.FrameLayout
+import androidx.activity.ComponentActivity
+import androidx.wear.tiles.manager.TileUiClient
+
+class TilePreviewActivity : ComponentActivity() {
+    lateinit var tileUiClient: TileUiClient
+
+    override fun onCreate(savedInstanceState: Bundle?) {
+        super.onCreate(savedInstanceState)
+        setContentView(R.layout.activity_main)
+        val rootLayout = findViewById<FrameLayout>(R.id.tile_container)
+
+        tileUiClient = TileUiClient(
+            context = this,
+            component = ComponentName(this, GoalsTileService::class.java),
+            parentView = rootLayout
+        )
+        tileUiClient.connect()
+    }
+
+    override fun onDestroy() {
+        super.onDestroy()
+        tileUiClient.close()
+    }
+}

WearOS/src/src/debug/res/layout/activity_main.xml

@@ -0,0 +1,19 @@
+<?xml version="1.0" encoding="utf-8"?><!--
+  ~ Copyright 2021 The Android Open Source Project
+  ~
+  ~ Licensed under the Apache License, Version 2.0 (the "License");
+  ~ you may not use this file except in compliance with the License.
+  ~ You may obtain a copy of the License at
+  ~
+  ~     https://www.apache.org/licenses/LICENSE-2.0
+  ~
+  ~ Unless required by applicable law or agreed to in writing, software
+  ~ distributed under the License is distributed on an "AS IS" BASIS,
+  ~ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+  ~ See the License for the specific language governing permissions and
+  ~ limitations under the License.
+  -->
+<FrameLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    android:id="@+id/tile_container"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent" />

WearOS/src/src/main/AndroidManifest.xml

@@ -0,0 +1,35 @@
+<?xml version="1.0" encoding="utf-8"?>
+<manifest xmlns:android="http://schemas.android.com/apk/res/android"
+    package="com.chriskaczor.homemonitor.wear">
+
+    <uses-permission android:name="android.permission.INTERNET"></uses-permission>
+
+    <uses-feature android:name="android.hardware.type.watch" />
+
+    <application
+        android:allowBackup="false"
+        android:label="@string/app_name"
+        android:supportsRtl="true"
+        android:networkSecurityConfig="@xml/network_security_config"
+        android:theme="@android:style/Theme.DeviceDefault">
+
+        <meta-data
+            android:name="com.google.android.wearable.standalone"
+            android:value="true" />
+
+        <service
+            android:name="com.chriskaczor.homemonitor.wear.GoalsTileService"
+            android:description="@string/tile_description"
+            android:icon="@drawable/ic_run"
+            android:label="@string/fitness_tile_label"
+            android:permission="com.google.android.wearable.permission.BIND_TILE_PROVIDER">
+            <intent-filter>
+                <action android:name="androidx.wear.tiles.action.BIND_TILE_PROVIDER" />
+            </intent-filter>
+
+            <meta-data
+                android:name="androidx.wear.tiles.PREVIEW"
+                android:resource="@drawable/tile_goals" />
+        </service>
+    </application>
+</manifest>

WearOS/src/src/main/java/com/chriskaczor/homemonitor/wear/GoalsTileService.kt

@@ -0,0 +1,211 @@
+package com.chriskaczor.homemonitor.wear
+
+import androidx.core.content.ContextCompat
+import androidx.wear.tiles.ActionBuilders
+import androidx.wear.tiles.ColorBuilders.argb
+import androidx.wear.tiles.DeviceParametersBuilders.DeviceParameters
+import androidx.wear.tiles.DimensionBuilders.*
+import androidx.wear.tiles.LayoutElementBuilders.*
+import androidx.wear.tiles.ModifiersBuilders.*
+import androidx.wear.tiles.RequestBuilders.ResourcesRequest
+import androidx.wear.tiles.RequestBuilders.TileRequest
+import androidx.wear.tiles.ResourceBuilders.*
+import androidx.wear.tiles.TileBuilders.Tile
+import androidx.wear.tiles.TileService
+import androidx.wear.tiles.TimelineBuilders.Timeline
+import androidx.wear.tiles.TimelineBuilders.TimelineEntry
+import kotlinx.coroutines.CoroutineScope
+import kotlinx.coroutines.Dispatchers
+import kotlinx.coroutines.cancel
+import kotlinx.coroutines.guava.future
+
+// TODO: Review Constants.
+// Updating this version triggers a new call to onResourcesRequest(). This is useful for dynamic
+// resources, the contents of which change even though their id stays the same (e.g. a graph).
+// In this sample, our resources are all fixed, so we use a constant value.
+private const val RESOURCES_VERSION = "1"
+
+// dimensions
+private val PROGRESS_BAR_THICKNESS = dp(6f)
+private val BUTTON_SIZE = dp(48f)
+private val BUTTON_RADIUS = dp(24f)
+private val BUTTON_PADDING = dp(12f)
+private val VERTICAL_SPACING_HEIGHT = dp(8f)
+
+// Complete degrees for a circle (relates to [Arc] component)
+private const val ARC_TOTAL_DEGREES = 360f
+
+// identifiers
+private const val ID_IMAGE_START_RUN = "image_start_run"
+private const val ID_CLICK_START_RUN = "click_start_run"
+
+/**
+ * Creates a Fitness Tile, showing your progress towards a daily goal. The progress is defined
+ * randomly, for demo purposes only. A new random progress is shown when the user taps the button.
+ */
+class GoalsTileService : TileService() {
+    // For coroutines, use a custom scope we can cancel when the service is destroyed
+    private val serviceScope = CoroutineScope(Dispatchers.IO)
+
+    // TODO: Build a Tile.
+    override fun onTileRequest(requestParams: TileRequest) = serviceScope.future {
+
+        // Retrieves progress value to populate the Tile.
+        val goalProgress = PowerRepository.getPowerStatus()
+        // Retrieves device parameters to later retrieve font styles for any text in the Tile.
+        val deviceParams = requestParams.deviceParameters!!
+
+        // Creates Tile.
+        Tile.Builder()
+            // If there are any graphics/images defined in the Tile's layout, the system will
+            // retrieve them via onResourcesRequest() and match them with this version number.
+            .setResourcesVersion(RESOURCES_VERSION)
+
+            // Creates a timeline to hold one or more tile entries for a specific time periods.
+            .setTimeline(
+                Timeline.Builder()
+                    .addTimelineEntry(
+                        TimelineEntry.Builder()
+                            .setLayout(
+                                Layout.Builder()
+                                    .setRoot(
+                                        // Creates the root [Box] [LayoutElement]
+                                        layout(goalProgress, deviceParams)
+                                    )
+                                    .build()
+                            )
+                            .build()
+                    )
+                    .build()
+            ).build()
+    }
+
+    // TODO: Supply resources (graphics) for the Tile.
+    override fun onResourcesRequest(requestParams: ResourcesRequest) = serviceScope.future {
+        Resources.Builder()
+            .setVersion(RESOURCES_VERSION)
+            .addIdToImageMapping(
+                ID_IMAGE_START_RUN,
+                ImageResource.Builder()
+                    .setAndroidResourceByResId(
+                        AndroidImageResourceByResId.Builder()
+                            .setResourceId(R.drawable.ic_run)
+                            .build()
+                    )
+                    .build()
+            )
+            .build()
+    }
+
+    // TODO: Review onDestroy() - cancellation of the serviceScope
+    override fun onDestroy() {
+        super.onDestroy()
+        // Cleans up the coroutine
+        serviceScope.cancel()
+    }
+
+    // TODO: Create root Box layout and content.
+    // Creates a simple [Box] container that lays out its children one over the other. In our
+    // case, an [Arc] that shows progress on top of a [Column] that includes the current steps
+    // [Text], the total steps [Text], a [Spacer], and a running icon [Image].
+    private fun layout(goalProgress: PowerStatus, deviceParameters: DeviceParameters) =
+        Box.Builder()
+            // Sets width and height to expand and take up entire Tile space.
+            .setWidth(expand())
+            .setHeight(expand())
+
+            // Adds an [Arc] via local function.
+            //.addContent(progressArc(goalProgress.percentage))
+
+            // TODO: Add Column containing the rest of the data.
+            // Adds a [Column] containing the two [Text] objects, a [Spacer], and a [Image].
+            .addContent(
+                Column.Builder()
+                    // Adds a [Text] via local function.
+                    .addContent(
+                        currentStepsText(goalProgress.generation.toString(), deviceParameters)
+                    )
+                    // Adds a [Text] via local function.
+                    .addContent(
+                        totalStepsText(
+                            goalProgress.consumption.toString(),
+                            deviceParameters
+                        )
+                    )
+                    // TODO: Add Spacer and Image representations of our step graphic.
+                    // Adds a [Spacer].
+                    .addContent(Spacer.Builder().setHeight(VERTICAL_SPACING_HEIGHT).build())
+                    // Adds an [Image] via local function.
+                    .addContent(startRunButton())
+                    .build()
+            )
+            .build()
+
+    // TODO: Create a function that constructs an Arc representation of the current step progress.
+    // Creates an [Arc] representing current progress towards steps goal.
+    private fun progressArc(percentage: Float) = Arc.Builder()
+        .addContent(
+            ArcLine.Builder()
+                // Uses degrees() helper to build an [AngularDimension] which represents progress.
+                .setLength(degrees(percentage * ARC_TOTAL_DEGREES))
+                .setColor(argb(ContextCompat.getColor(this, R.color.primary)))
+                .setThickness(PROGRESS_BAR_THICKNESS)
+                .build()
+        )
+        // Element will start at 12 o'clock or 0 degree position in the circle.
+        .setAnchorAngle(degrees(0.0f))
+        // Aligns the contents of this container relative to anchor angle above.
+        // ARC_ANCHOR_START - Anchors at the start of the elements. This will cause elements
+        // added to an arc to begin at the given anchor_angle, and sweep around to the right.
+        .setAnchorType(ARC_ANCHOR_START)
+        .build()
+
+    // TODO: Create functions that construct/stylize Text representations of the step count & goal.
+    // Creates a [Text] with current step count and stylizes it.
+    private fun currentStepsText(current: String, deviceParameters: DeviceParameters) =
+        Text.Builder()
+            .setText(current)
+            .setFontStyle(FontStyles.display2(deviceParameters).build())
+            .build()
+
+    // Creates a [Text] with total step count goal and stylizes it.
+    private fun totalStepsText(goal: String, deviceParameters: DeviceParameters) = Text.Builder()
+        .setText(goal)
+        .setFontStyle(FontStyles.title3(deviceParameters).build())
+        .build()
+
+    // TODO: Create a function that constructs/stylizes a clickable Image of a running icon.
+    // Creates a running icon [Image] that's also a button to refresh the tile.
+    private fun startRunButton() =
+        Image.Builder()
+            .setWidth(BUTTON_SIZE)
+            .setHeight(BUTTON_SIZE)
+            .setResourceId(ID_IMAGE_START_RUN)
+            .setModifiers(
+                Modifiers.Builder()
+                    .setPadding(
+                        Padding.Builder()
+                            .setStart(BUTTON_PADDING)
+                            .setEnd(BUTTON_PADDING)
+                            .setTop(BUTTON_PADDING)
+                            .setBottom(BUTTON_PADDING)
+                            .build()
+                    )
+                    .setBackground(
+                        Background.Builder()
+                            .setCorner(Corner.Builder().setRadius(BUTTON_RADIUS).build())
+                            .setColor(argb(ContextCompat.getColor(this, R.color.primaryDark)))
+                            .build()
+                    )
+                    // TODO: Add click (START)
+                    .setClickable(
+                        Clickable.Builder()
+                            .setId(ID_CLICK_START_RUN)
+                            .setOnClick(ActionBuilders.LoadAction.Builder().build())
+                            .build()
+                    )
+                    // TODO: Add click (END)
+                    .build()
+            )
+            .build()
+}

WearOS/src/src/main/java/com/chriskaczor/homemonitor/wear/PowerRepository.kt

@@ -0,0 +1,32 @@
+package com.chriskaczor.homemonitor.wear
+
+import com.beust.klaxon.Json
+import com.beust.klaxon.Klaxon
+import java.net.URL
+import java.sql.Timestamp
+
+data class PowerStatus(
+    @Json(name = "generation")
+    val generation: Int,
+
+    @Json(name = "consumption")
+    val consumption: Int,
+
+    @Json(name = "timestamp")
+    val timestamp: String
+)
+
+object PowerRepository {
+    suspend fun getPowerStatus(): PowerStatus {
+        val json = URL("http://home.kaczorzoo.net/api/power/status/recent").readText();
+
+        val data = Klaxon().parse<PowerStatus>(json) ?: return powerStatus;
+
+        powerStatus = powerStatus.copy(generation = data.generation, consumption = data.consumption, timestamp = data.timestamp);
+
+        return powerStatus;
+    }
+}
+
+var powerStatus =
+    PowerStatus(generation = 0, consumption = 0, timestamp = Timestamp(System.currentTimeMillis()).toString())

WearOS/src/src/main/res/drawable/ic_run.xml

@@ -0,0 +1,24 @@
+<?xml version="1.0" encoding="utf-8"?><!--
+  ~ Copyright 2021 The Android Open Source Project
+  ~
+  ~ Licensed under the Apache License, Version 2.0 (the "License");
+  ~ you may not use this file except in compliance with the License.
+  ~ You may obtain a copy of the License at
+  ~
+  ~     https://www.apache.org/licenses/LICENSE-2.0
+  ~
+  ~ Unless required by applicable law or agreed to in writing, software
+  ~ distributed under the License is distributed on an "AS IS" BASIS,
+  ~ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+  ~ See the License for the specific language governing permissions and
+  ~ limitations under the License.
+  -->
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:height="24dp"
+    android:viewportHeight="24"
+    android:viewportWidth="24"
+    android:width="24dp">
+    <path
+        android:fillColor="@color/primary"
+        android:pathData="M13.49,5.48c1.1,0 2,-0.9 2,-2s-0.9,-2 -2,-2 -2,0.9 -2,2 0.9,2 2,2zM9.89,19.38l1,-4.4 2.1,2v6h2v-7.5l-2.1,-2 0.6,-3c1.3,1.5 3.3,2.5 5.5,2.5v-2c-1.9,0 -3.5,-1 -4.3,-2.4l-1,-1.6c-0.4,-0.6 -1,-1 -1.7,-1 -0.3,0 -0.5,0.1 -0.8,0.1l-5.2,2.2v4.7h2v-3.4l1.8,-0.7 -1.6,8.1 -4.9,-1 -0.4,2 7,1.4z" />
+</vector>

WearOS/src/src/main/res/values/colors.xml

@@ -0,0 +1,19 @@
+<?xml version="1.0" encoding="utf-8"?><!--
+  ~ Copyright 2021 The Android Open Source Project
+  ~
+  ~ Licensed under the Apache License, Version 2.0 (the "License");
+  ~ you may not use this file except in compliance with the License.
+  ~ You may obtain a copy of the License at
+  ~
+  ~     https://www.apache.org/licenses/LICENSE-2.0
+  ~
+  ~ Unless required by applicable law or agreed to in writing, software
+  ~ distributed under the License is distributed on an "AS IS" BASIS,
+  ~ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+  ~ See the License for the specific language governing permissions and
+  ~ limitations under the License.
+  -->
+<resources>
+    <color name="primary">#C58AF9</color>
+    <color name="primaryDark">#3B294B</color>
+</resources>

WearOS/src/src/main/res/values/strings.xml

@@ -0,0 +1,11 @@
+<?xml version="1.0" encoding="utf-8"?>
+<resources>
+    <string name="app_name">Home Monitor</string>
+    <string name="tile_description">Home Monitor</string>
+
+
+    <string name="fitness_tile_label">Step progress</string>
+    <string name="goal">/ %d steps</string>
+
+    <string name="placeholder_text">Time to create a tile!</string>
+</resources>

WearOS/src/src/main/res/xml/network_security_config.xml

@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="utf-8"?>
+<network-security-config>
+    <domain-config cleartextTrafficPermitted="true">
+        <domain includeSubdomains="true">home.kaczorzoo.net</domain>
+    </domain-config>
+</network-security-config>