fix: "Shake device" maracas emoji is garbled [API 30]

* Implement EmojiCompat

Bundle was tested and adds X MB to the app size

Fixes 17090

Author: david-allison

AnkiDroid/build.gradle

@@ -385,6 +385,8 @@ dependencies {
     implementation libs.android.image.cropper
     implementation libs.nanohttpd
     implementation libs.kotlinx.serialization.json
+    implementation libs.androidx.emoji2
+    implementation libs.androidx.emoji2.bundled
     implementation libs.seismic
 
     debugImplementation libs.androidx.fragment.testing.manifest

AnkiDroid/src/main/java/com/ichi2/anki/AnkiDroidApp.kt

@@ -31,6 +31,8 @@ import android.webkit.CookieManager
 import androidx.annotation.VisibleForTesting
 import androidx.core.content.edit
 import androidx.core.net.toUri
+import androidx.emoji2.bundled.BundledEmojiCompatConfig
+import androidx.emoji2.text.EmojiCompat
 import androidx.fragment.app.FragmentActivity
 import androidx.lifecycle.MutableLiveData
 import androidx.work.Configuration
@@ -70,6 +72,7 @@ import kotlinx.coroutines.launch
 import timber.log.Timber
 import timber.log.Timber.DebugTree
 import java.util.Locale
+import java.util.concurrent.Executors
 
 /**
  * Application class.
@@ -121,6 +124,9 @@ open class AnkiDroidApp :
         }
         instance = this
 
+        val config: EmojiCompat.Config = BundledEmojiCompatConfig(this, Executors.newSingleThreadExecutor())
+        EmojiCompat.init(config)
+
         // Get preferences
         val preferences = this.sharedPrefs()
 

gradle/libs.versions.toml

@@ -33,6 +33,8 @@ androidxConstraintlayout = "2.2.1"
 androidxCoreKtx = "1.16.0"
 # https://developer.android.com/jetpack/androidx/releases/draganddrop
 androidxDragAndDrop = "1.0.0"
+# https://developer.android.com/jetpack/androidx/releases/emoji2
+androidxEmoji2 = "1.5.0"
 # https://developer.android.com/jetpack/androidx/releases/exifinterface
 androidxExifinterface = "1.4.1"
 # https://developer.android.com/jetpack/androidx/releases/fragment
@@ -131,6 +133,8 @@ androidx-appcompat = { module = "androidx.appcompat:appcompat", version.ref = "a
 androidx-annotation = { module = "androidx.annotation:annotation", version.ref = "androidxAnnotation" }
 androidx-activity = { module = "androidx.activity:activity", version.ref = "androidxActivity" }
 androidx-media3-ui = { module = "androidx.media3:media3-ui", version.ref = "androidxMedia3" }
+androidx-emoji2 = { group = "androidx.emoji2", name = "emoji2", version.ref = "androidxEmoji2" }
+androidx-emoji2-bundled = { group = "androidx.emoji2", name = "emoji2-bundled", version.ref = "androidxEmoji2" }
 androidx-media3-exoplayer-dash = { module = "androidx.media3:media3-exoplayer-dash", version.ref = "androidxMedia3" }
 androidx-media3-exoplayer = { module = "androidx.media3:media3-exoplayer", version.ref = "androidxMedia3" }
 androidx-preference-ktx = { module = "androidx.preference:preference-ktx", version.ref = "androidxPreferenceKtx" }