Gracefully ignore non-vector images

easylauncher/src/main/kotlin/com/project/starter/easylauncher/plugin/EasyLauncherTask.kt

@@ -64,7 +64,7 @@ abstract class EasyLauncherTask @Inject constructor(private val objects: ObjectF
 
                     is IconFile.Adaptive -> iconFile.processAdaptiveIcon()
 
-                    is IconFile.XmlDrawableResource -> iconFile.processDrawable()
+                    is IconFile.XmlDrawable -> iconFile.processDrawable()
                 }
             }
         }
@@ -86,7 +86,7 @@ abstract class EasyLauncherTask @Inject constructor(private val objects: ObjectF
                 iconNames.flatMap { (iconName, iconType) ->
                     objects.getIconFiles(parent = resDir, iconName = iconName)
                         .map { iconFile ->
-                            iconFile.tryParseXmlFile() ?: when (iconType) {
+                            iconFile.tryParseXmlIcon() ?: when (iconType) {
                                 IconType.Default -> IconFile.Raster(iconFile)
                                 IconType.Round -> IconFile.RasterRound(iconFile)
                             }
@@ -104,7 +104,10 @@ abstract class EasyLauncherTask @Inject constructor(private val objects: ObjectF
             iconFiles.forEach { iconFile ->
                 val outputFile = iconFile.getOutputFile()
                 if (iconFile.extension == "xml") {
-                    iconFile.transformXml(outputFile, minSdkVersion.get(), filters.get())
+                    when (val drawable = iconFile.tryParseXmlDrawable()) {
+                        is IconFile.XmlDrawable.Vector -> drawable.transform(outputFile, minSdkVersion.get(), filters.get())
+                        null -> log.info { "Skipped $iconFile due to unrecognised file format" }
+                    }
                 } else {
                     iconFile.transformImage(
                         outputFile = outputFile,
@@ -116,9 +119,10 @@ abstract class EasyLauncherTask @Inject constructor(private val objects: ObjectF
         }
     }
 
-    private fun IconFile.XmlDrawableResource.processDrawable() {
-        val outputFile = file.getOutputFile()
-        file.transformXml(outputFile, minSdkVersion.get(), filters.get())
+    private fun IconFile.XmlDrawable.processDrawable() {
+        when (this) {
+            is IconFile.XmlDrawable.Vector -> transform(file.getOutputFile(), minSdkVersion.get(), filters.get())
+        }
     }
 
     private fun File.getOutputFile(): File = File(outputDir.asFile.get(), "${parentFile.name}/$name")

easylauncher/src/main/kotlin/com/project/starter/easylauncher/plugin/IconTransformer.kt

@@ -2,8 +2,7 @@ package com.project.starter.easylauncher.plugin
 
 import com.project.starter.easylauncher.filter.Canvas
 import com.project.starter.easylauncher.filter.EasyLauncherFilter
-import com.project.starter.easylauncher.plugin.models.toSize
-import groovy.xml.XmlSlurper
+import com.project.starter.easylauncher.plugin.models.IconFile
 import java.awt.image.BufferedImage
 import java.io.File
 import javax.imageio.ImageIO
@@ -19,11 +18,7 @@ internal fun File.transformImage(outputFile: File, filters: List<EasyLauncherFil
     ImageIO.write(image, extension, outputFile)
 }
 
-internal fun File.transformXml(outputFile: File, minSdkVersion: Int, filters: List<EasyLauncherFilter>) {
-    val iconXml = XmlSlurper().parse(this)
-    val width = iconXml.property("@android:width")?.toSize().let(::requireNotNull)
-    val height = iconXml.property("@android:height")?.toSize().let(::requireNotNull)
-
+internal fun IconFile.XmlDrawable.Vector.transform(outputFile: File, minSdkVersion: Int, filters: List<EasyLauncherFilter>) {
     val drawableRoot = outputFile.parentFile // eg. debug/drawable/
 
     val layers = filters.mapIndexed { index, filter ->
@@ -32,8 +27,8 @@ internal fun File.transformXml(outputFile: File, minSdkVersion: Int, filters: Li
 
         densities.forEach { (qualifier, multiplier) ->
             val overlay = BufferedImage(
-                (width.value * multiplier).roundToInt(),
-                (height.value * multiplier).roundToInt(),
+                (width * multiplier).roundToInt(),
+                (height * multiplier).roundToInt(),
                 BufferedImage.TYPE_INT_ARGB,
             )
             val canvas = Canvas(overlay, adaptive = true)
@@ -57,13 +52,13 @@ internal fun File.transformXml(outputFile: File, minSdkVersion: Int, filters: Li
     val versionSuffix = if (minSdkVersion >= ANDROID_OREO) "" else "-v26"
     val v26DrawableRoot = drawableRoot.parentFile.resolve("${drawableRoot.normalizedName}-anydpi$versionSuffix")
 
-    copyTo(v26DrawableRoot.resolve("easy_$name"), overwrite = true)
+    file.copyTo(v26DrawableRoot.resolve("easy_${file.name}"), overwrite = true)
     v26DrawableRoot.resolve(outputFile.name).writeText(
         """
         |<?xml version="1.0" encoding="utf-8"?>
         |<layer-list xmlns:android="http://schemas.android.com/apk/res/android">
         |
-        |    <item android:drawable="@${drawableRoot.normalizedName}/easy_$nameWithoutExtension" />
+        |    <item android:drawable="@${drawableRoot.normalizedName}/easy_${file.nameWithoutExtension}" />
         |
         |$layers
         |</layer-list>

easylauncher/src/main/kotlin/com/project/starter/easylauncher/plugin/XmlReader.kt

@@ -2,6 +2,7 @@ package com.project.starter.easylauncher.plugin
 
 import com.project.starter.easylauncher.plugin.models.IconFile
 import com.project.starter.easylauncher.plugin.models.IconType
+import com.project.starter.easylauncher.plugin.models.toSize
 import groovy.xml.XmlSlurper
 import groovy.xml.slurpersupport.GPathResult
 import java.io.File
@@ -23,7 +24,7 @@ private val regex by lazy { "\\\$\\{([^{}]*)}".toRegex() }
 private fun String.applyPlaceholders(manifestPlaceholders: Map<String, Any>): String =
     replace(regex) { manifestPlaceholders[it.groups[1]?.value]?.toString() ?: it.value }
 
-internal fun File.tryParseXmlFile(): IconFile? {
+internal fun File.tryParseXmlIcon(): IconFile? {
     if (extension != "xml") {
         return null
     }
@@ -44,7 +45,23 @@ internal fun File.tryParseXmlFile(): IconFile? {
             monochrome = monochromeDrawable,
         )
     } else {
-        IconFile.XmlDrawableResource(file = this)
+        tryParseXmlDrawable()
+    }
+}
+
+internal fun File.tryParseXmlDrawable(): IconFile.XmlDrawable? {
+    val iconXml = XmlSlurper().parse(this)
+    val width = iconXml.property("@android:width")?.toSize()?.value
+    val height = iconXml.property("@android:height")?.toSize()?.value
+
+    return when {
+        width != null && height != null -> IconFile.XmlDrawable.Vector(
+            file = this,
+            width = width,
+            height = height,
+        )
+
+        else -> null
     }
 }
 

easylauncher/src/main/kotlin/com/project/starter/easylauncher/plugin/models/IconFile.kt

@@ -15,5 +15,12 @@ internal sealed class IconFile {
         val monochrome: String?,
     ) : IconFile()
 
-    data class XmlDrawableResource(val file: File) : IconFile()
+    sealed class XmlDrawable : IconFile() {
+
+        data class Vector(
+            val file: File,
+            val width: Int,
+            val height: Int,
+        ) : XmlDrawable()
+    }
 }

easylauncher/src/test/kotlin/com/project/starter/easylauncher/plugin/IconTransformerTest.kt

@@ -3,6 +3,7 @@ package com.project.starter.easylauncher.plugin
 import com.project.starter.easylauncher.filter.ChromeLikeFilter
 import com.project.starter.easylauncher.filter.ColorRibbonFilter
 import com.project.starter.easylauncher.filter.OverlayFilter
+import com.project.starter.easylauncher.plugin.models.IconFile
 import com.project.starter.easylauncher.plugin.utils.vectorFile
 import org.assertj.core.api.Assertions.assertThat
 import org.junit.jupiter.api.BeforeEach
@@ -14,24 +15,24 @@ internal class IconTransformerTest {
 
     @TempDir
     lateinit var tempDir: File
-    lateinit var sourceIcon: File
+    lateinit var sourceIcon: IconFile.XmlDrawable.Vector
     lateinit var output: File
 
     @BeforeEach
     internal fun setUp() {
         val drawable = tempDir.resolve("drawable").apply {
             mkdir()
         }
-        sourceIcon = drawable.resolve("icon_resource.xml")
-        sourceIcon.writeText(vectorFile())
+        val sourceIconFile = drawable.resolve("icon_resource.xml").apply { writeText(vectorFile()) }
+        sourceIcon = sourceIconFile.tryParseXmlDrawable() as IconFile.XmlDrawable.Vector
 
         output = drawable.resolve("output.xml")
     }
 
     @Test
     fun `transforms vector icon pre api 26`() {
         val expected = tempDir.resolve("drawable-anydpi-v26/output.xml")
-        sourceIcon.transformXml(
+        sourceIcon.transform(
             outputFile = output,
             minSdkVersion = 21,
             filters = listOf(
@@ -65,7 +66,7 @@ internal class IconTransformerTest {
     @Test
     fun `transforms vector icon since api 26`() {
         val expected = tempDir.resolve("drawable-anydpi/output.xml")
-        sourceIcon.transformXml(
+        sourceIcon.transform(
             outputFile = output,
             minSdkVersion = 26,
             filters = listOf(

easylauncher/src/test/kotlin/com/project/starter/easylauncher/plugin/XmlReaderTest.kt

@@ -212,7 +212,7 @@ internal class XmlReaderTest {
             """.trimIndent(),
         )
 
-        val icon = adaptiveIcon.tryParseXmlFile() as IconFile.Adaptive
+        val icon = adaptiveIcon.tryParseXmlIcon() as IconFile.Adaptive
 
         assertThat(icon.background).isEqualTo("@drawable/ic_launcher_background")
         assertThat(icon.foreground).isEqualTo("@mipmap/ic_launcher_foreground")
@@ -234,7 +234,7 @@ internal class XmlReaderTest {
             """.trimIndent(),
         )
 
-        val icon = adaptiveIcon.tryParseXmlFile() as IconFile.Adaptive
+        val icon = adaptiveIcon.tryParseXmlIcon() as IconFile.Adaptive
 
         assertThat(icon.background).isEqualTo("@drawable/ic_launcher_background")
         assertThat(icon.foreground).isEqualTo("@mipmap/ic_launcher_foreground")
@@ -247,9 +247,15 @@ internal class XmlReaderTest {
         val drawableResource = tempDir.resolve("ic_launcher.xml")
         drawableResource.writeText(vectorFile())
 
-        val icon = drawableResource.tryParseXmlFile()
+        val icon = drawableResource.tryParseXmlIcon()
 
-        assertThat(icon).isEqualTo(IconFile.XmlDrawableResource(file = drawableResource))
+        assertThat(icon).isEqualTo(
+            IconFile.XmlDrawable.Vector(
+                file = drawableResource,
+                width = 24,
+                height = 24,
+            ),
+        )
     }
 
     @Test
@@ -266,7 +272,7 @@ internal class XmlReaderTest {
             """.trimIndent(),
         )
 
-        val icon = adaptiveIcon.tryParseXmlFile()
+        val icon = adaptiveIcon.tryParseXmlIcon()
 
         assertThat(icon).isNull()
     }

sample/example-drawables/build.gradle

@@ -0,0 +1,20 @@
+apply plugin: 'com.starter.application.android'
+apply plugin: 'com.starter.easylauncher'
+
+android {
+    namespace "com.example.vector"
+    defaultConfig {
+        minSdkVersion 28
+    }
+    buildTypes {
+        named("release") {
+            debuggable false
+            signingConfig signingConfigs.debug
+        }
+    }
+    flavorDimensions += "reportedBugs"
+}
+
+dependencies {
+    implementation project(":adaptive-support")
+}

sample/example-drawables/src/androidTest/kotlin/com/starter/easylauncher/screenshot/IconsTest.kt

@@ -0,0 +1,13 @@
+package com.starter.easylauncher.screenshot
+
+import com.example.custom.adaptive.MainActivity
+import com.starter.easylauncher.recordScreenshot
+import org.junit.Test
+
+internal class IconsTest {
+
+    @Test
+    fun doScreenshot() {
+        recordScreenshot<MainActivity>(flavor = "insets")
+    }
+}

sample/example-drawables/src/main/AndroidManifest.xml

@@ -0,0 +1,9 @@
+<?xml version="1.0" encoding="utf-8"?>
+<manifest
+    xmlns:android="http://schemas.android.com/apk/res/android">
+
+    <application
+        android:icon="@mipmap/ic_launcher"
+        android:label="${appName}"
+        />
+</manifest>

sample/example-drawables/src/main/res/drawable/ic_baseline_airport_shuttle_24.xml

@@ -0,0 +1,15 @@
+<vector
+    xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="24dp"
+    android:height="24dp"
+    android:tint="#FFFFFF"
+    android:viewportWidth="24"
+    android:viewportHeight="24"
+    >
+
+    <path
+        android:fillColor="@android:color/white"
+        android:pathData="M17,5L3,5c-1.1,0 -2,0.89 -2,2v9h2c0,1.65 1.34,3 3,3s3,-1.35 3,-3h5.5c0,1.65 1.34,3 3,3s3,-1.35 3,-3L23,16v-5l-6,-6zM3,11L3,7h4v4L3,11zM6,17.5c-0.83,0 -1.5,-0.67 -1.5,-1.5s0.67,-1.5 1.5,-1.5 1.5,0.67 1.5,1.5 -0.67,1.5 -1.5,1.5zM13,11L9,11L9,7h4v4zM17.5,17.5c-0.83,0 -1.5,-0.67 -1.5,-1.5s0.67,-1.5 1.5,-1.5 1.5,0.67 1.5,1.5 -0.67,1.5 -1.5,1.5zM15,11L15,7h1l4,4h-5z"
+        />
+
+</vector>