Create a small test widget, I just wanted to learn hoe Jetpack Compose Glance works?

app/build.gradle.kts

@@ -91,4 +91,7 @@ dependencies {
     implementation("com.google.android.material:material:1.2.0")
     implementation(libs.protobuf.javalite)
     implementation("androidx.compose.material:material")
+    implementation("androidx.glance:glance:1.1.1")
+    implementation("androidx.glance:glance-appwidget:1.1.1")
+    implementation("androidx.work:work-runtime-ktx:2.9.0")
 }

app/src/main/AndroidManifest.xml

@@ -27,6 +27,15 @@
                 <category android:name="android.intent.category.LAUNCHER" />
             </intent-filter>
         </activity>
+        <receiver android:name=".widget.CharacterDisplayWidgetReceiver"
+            android:exported="true">
+            <intent-filter>
+                <action android:name="android.appwidget.action.APPWIDGET_UPDATE" />
+            </intent-filter>
+            <meta-data
+                android:name="android.appwidget.provider"
+                android:resource="@xml/widget_info" />
+        </receiver>
     </application>
 
 </manifest>

app/src/main/java/com/github/nacabaro/vbhelper/widget/CharacterDisplayWidget.kt

@@ -0,0 +1,117 @@
+package com.github.nacabaro.vbhelper.widget
+
+import android.content.Context
+import android.graphics.Bitmap
+import androidx.compose.material3.MaterialTheme
+import androidx.glance.GlanceTheme
+import androidx.compose.runtime.Composable
+import androidx.compose.runtime.getValue
+import androidx.compose.runtime.mutableStateOf
+import androidx.compose.runtime.remember
+import androidx.compose.runtime.setValue
+import androidx.glance.background
+import androidx.compose.ui.unit.Dp
+import androidx.compose.ui.unit.dp
+import androidx.datastore.preferences.core.booleanPreferencesKey
+import androidx.datastore.preferences.preferencesDataStore
+import androidx.glance.GlanceId
+import androidx.glance.GlanceModifier
+import androidx.glance.Image
+import androidx.glance.ImageProvider
+import androidx.glance.appwidget.GlanceAppWidget
+import androidx.glance.appwidget.provideContent
+import androidx.glance.layout.Alignment
+import androidx.glance.layout.Column
+import androidx.glance.layout.fillMaxSize
+import androidx.glance.layout.size
+import androidx.glance.state.PreferencesGlanceStateDefinition
+import androidx.glance.text.Text
+import androidx.glance.unit.ColorProvider
+import com.github.nacabaro.vbhelper.di.VBHelper
+import com.github.nacabaro.vbhelper.utils.BitmapData
+import com.github.nacabaro.vbhelper.utils.getBitmap
+
+/*
+    RANT: Why did they have to create the components from Jetpack Compose
+    with a different API for Glance? Now there are things I use in Jetpack Compose
+    like the filterQuality, which isn't here.
+ */
+
+val CURRENT_IMAGE_KEY = booleanPreferencesKey("current_image")
+
+class CharacterDisplayWidget : GlanceAppWidget() {
+    override suspend fun provideGlance(context: Context, id: GlanceId) {
+        val application = context.applicationContext as VBHelper
+        val storageRepository = application.container.db
+
+        val currentCharacter = storageRepository
+            .userCharacterDao()
+            .getActiveCharacter()
+
+        val multiplier = 4
+
+        provideContent {
+            var bitmapIdle1 by remember { mutableStateOf<Bitmap?>(null) }
+            var bitmapIdle2 by remember { mutableStateOf<Bitmap?>(null) }
+            var dpSize by remember { mutableStateOf(0.dp) }
+
+            if (currentCharacter != null) {
+                val currentCharacterBitmapIdle1 = BitmapData(
+                    currentCharacter.spriteIdle,
+                    currentCharacter.spriteWidth,
+                    currentCharacter.spriteHeight
+                )
+
+                val currentCharacterBitmapIdle2 = BitmapData(
+                    currentCharacter.spriteIdle2,
+                    currentCharacter.spriteWidth,
+                    currentCharacter.spriteHeight
+                )
+
+                bitmapIdle1 = currentCharacterBitmapIdle1.getBitmap()
+                bitmapIdle2 = currentCharacterBitmapIdle2.getBitmap()
+
+                val density: Float = application.resources.displayMetrics.density
+                dpSize = (currentCharacterBitmapIdle1.width * multiplier / density).dp
+            }
+
+            WidgetContent(
+                imageBitmapFrame1 = bitmapIdle1,
+                imageBitmapFrame2 = bitmapIdle2,
+                dpSize = dpSize
+            )
+        }
+    }
+
+    @Composable
+    private fun WidgetContent(
+        imageBitmapFrame1: Bitmap?,
+        imageBitmapFrame2: Bitmap?,
+        dpSize: Dp
+    ) {
+        GlanceTheme {
+            Column (
+                horizontalAlignment = Alignment.Horizontal.CenterHorizontally,
+                verticalAlignment = Alignment.Vertical.CenterVertically,
+                modifier = GlanceModifier
+                    .fillMaxSize()
+                    .background(ColorProvider(MaterialTheme.colorScheme.background))
+            ) {
+                if (imageBitmapFrame1 != null) {
+                    Image(
+                        provider = ImageProvider(
+                            bitmap = imageBitmapFrame1
+                        ),
+                        contentDescription = "Character",
+                        modifier = GlanceModifier
+                            .size(dpSize)
+                    )
+                } else {
+                    Text(
+                        text = "No character selected"
+                    )
+                }
+            }
+        }
+    }
+}

app/src/main/java/com/github/nacabaro/vbhelper/widget/CharacterDisplayWidgetPreferences.kt

@@ -0,0 +1,3 @@
+package com.github.nacabaro.vbhelper.widget
+
+import androidx.glance.state.PreferencesGlanceStateDefinition

app/src/main/java/com/github/nacabaro/vbhelper/widget/CharacterDisplayWidgetReceiver.kt

@@ -0,0 +1,8 @@
+package com.github.nacabaro.vbhelper.widget
+
+import androidx.glance.appwidget.GlanceAppWidget
+import androidx.glance.appwidget.GlanceAppWidgetReceiver
+
+class CharacterDisplayWidgetReceiver : GlanceAppWidgetReceiver() {
+    override val glanceAppWidget: GlanceAppWidget = CharacterDisplayWidget()
+}

app/src/main/java/com/github/nacabaro/vbhelper/widget/CharacterDisplayWidgetWorker.kt

@@ -0,0 +1,35 @@
+package com.github.nacabaro.vbhelper.widget
+
+import android.content.Context
+import androidx.glance.appwidget.GlanceAppWidgetManager
+import androidx.glance.appwidget.state.updateAppWidgetState
+import androidx.work.CoroutineWorker
+import androidx.work.WorkerParameters
+
+class CharacterDisplayWidgetWorker(
+    appContext: Context,
+    workerParams: WorkerParameters
+) : CoroutineWorker(appContext, workerParams) {
+
+    override suspend fun doWork(): Result {
+        // Get all widget IDs for your ImageSwapWidget
+        val glanceIds = GlanceAppWidgetManager(applicationContext)
+            .getGlanceIds(CharacterDisplayWidget::class.java)
+
+        glanceIds.forEach { glanceId ->
+            // Update the widget's state (toggle the boolean)
+            updateAppWidgetState(
+                context = applicationContext,
+                glanceId = glanceId
+            ) { prefs ->
+                val currentImageIsImage1 = prefs[CURRENT_IMAGE_KEY] ?: true
+                prefs[CURRENT_IMAGE_KEY] = !currentImageIsImage1 // Toggle the boolean
+            }
+            // Trigger the widget to redraw itself with the new state
+            CharacterDisplayWidget().update(applicationContext, glanceId)
+        }
+
+        // Indicate that the work was successful
+        return Result.success()
+    }
+}

app/src/main/res/xml/widget_info.xml

@@ -0,0 +1,10 @@
+<?xml version="1.0" encoding="utf-8"?>
+<appwidget-provider xmlns:android="http://schemas.android.com/apk/res/android"
+    android:initialLayout="@layout/glance_default_loading_layout"
+    android:minWidth="40dp"
+    android:minHeight="20dp"
+    android:minResizeWidth="20dp"
+    android:previewImage="@drawable/baseline_image_24"
+    android:resizeMode="horizontal|vertical"
+    android:updatePeriodMillis="300000"
+    android:widgetCategory="home_screen" />