implement images on android

Signed-off-by: Adam Ratzman <[email protected]>

Author: adamint

README.md

@@ -39,9 +39,11 @@ repositories {
     jcenter()
 }
 
-compile group: 'com.adamratzman', name: 'spotify-api-kotlin-core', version: '3.2.10'
+compile group: 'com.adamratzman', name: 'spotify-api-kotlin-core', version: '3.2.11'
 ```
 
+Note that images and profiles are not supported on the Kotlin/JS target.
+
 ### Android
 **If you declare any release types not named debug or release, you may see "Could not resolve com.adamratzman:spotify-api-kotlin-android:VERSION". You need to do the following for each release type not named debug or release:**
 ```

build.gradle.kts

@@ -31,7 +31,7 @@ buildscript {
 }
 
 group = "com.adamratzman"
-version = "3.2.10"
+version = "3.2.11"
 
 tasks.withType<Test> {
     this.testLogging {
@@ -209,6 +209,7 @@ kotlin {
                     api("org.jetbrains.kotlinx:kotlinx-coroutines-core:$coroutineVersion")
                     api("org.jetbrains.kotlinx:kotlinx-serialization-runtime:$serializationVersion")
                     api("io.ktor:ktor-client-cio:$ktorVersion")
+                    api("io.coil-kt:coil:0.11.0")
                     implementation(kotlin("stdlib-jdk8"))
                 }
             }

src/androidMain/kotlin/com/adamratzman/spotify/utils/IO.kt

@@ -1,16 +1,26 @@
 /* Spotify Web API, Kotlin Wrapper; MIT License, 2017-2020; Original author: Adam Ratzman */
 package com.adamratzman.spotify.utils
 
+import android.graphics.Bitmap
+import android.graphics.BitmapFactory
+import android.util.Base64
+import java.io.ByteArrayOutputStream
+import java.net.URL
+
+
 internal actual fun encodeBufferedImageToBase64String(image: BufferedImage): String {
-    /*val bos = ByteArrayOutputStream()
-    ImageIO.write(image, "jpg", bos)
-    bos.close()
-    return Base64.getEncoder().encodeToString(bos.toByteArray())*/
-    throw NotImplementedError()
+    val byteArrayOutputStream = ByteArrayOutputStream()
+    image.compress(Bitmap.CompressFormat.PNG, 100, byteArrayOutputStream)
+    val byteArray: ByteArray = byteArrayOutputStream.toByteArray()
+    return Base64.encodeToString(byteArray, Base64.DEFAULT)
 }
 
-internal actual fun convertFileToBufferedImage(file: File): BufferedImage = throw NotImplementedError()
+internal actual fun convertFileToBufferedImage(file: File): BufferedImage = BitmapFactory.decodeFile(file.absolutePath)
 
-internal actual fun convertLocalImagePathToBufferedImage(path: String): BufferedImage = throw NotImplementedError()
+internal actual fun convertLocalImagePathToBufferedImage(path: String): BufferedImage = BitmapFactory.decodeFile(path)
 
-internal actual fun convertUrlPathToBufferedImage(url: String): BufferedImage = throw NotImplementedError()
+internal actual fun convertUrlPathToBufferedImage(url: String): BufferedImage {
+    return URL(url).openConnection().getInputStream().use { inputStream ->
+        BitmapFactory.decodeStream(inputStream)
+    }
+}

src/androidMain/kotlin/com/adamratzman/spotify/utils/Types.kt

@@ -1,9 +1,11 @@
 /* Spotify Web API, Kotlin Wrapper; MIT License, 2017-2020; Original author: Adam Ratzman */
 package com.adamratzman.spotify.utils
 
+import android.graphics.Bitmap
+
 actual typealias ConcurrentHashMap<K, V> = java.util.concurrent.ConcurrentHashMap<K, V>
 
-actual typealias BufferedImage = String // TODO
+actual typealias BufferedImage = Bitmap // TODO
 
 actual typealias File = java.io.File