Sort chinese apps by their pinyin transliteration

Close #61

applications/build.gradle.kts

@@ -45,8 +45,6 @@ dependencies {
 
     implementation(libs.commons.text)
 
-    implementation(libs.tinypinyin)
-
     implementation(project(":search"))
     implementation(project(":base"))
     implementation(project(":preferences"))

applications/src/main/java/de/mm20/launcher2/applications/AppRepository.kt

@@ -5,15 +5,13 @@ import android.content.Context
 import android.content.Intent
 import android.content.pm.LauncherActivityInfo
 import android.content.pm.LauncherApps
-import android.content.pm.PackageInstaller
 import android.content.pm.ShortcutInfo
 import android.os.Handler
 import android.os.Looper
 import android.os.Process
 import android.os.UserHandle
 import android.util.Log
-import com.github.promeg.pinyinhelper.Pinyin
+import de.mm20.launcher2.ktx.normalize
-import de.mm20.launcher2.search.data.AppInstallation
 import de.mm20.launcher2.search.data.Application
 import de.mm20.launcher2.search.data.LauncherApp
 import kotlinx.coroutines.Dispatchers
@@ -170,14 +168,10 @@ internal class AppRepositoryImpl(
     }
 
     private fun matches(label: String, query: String): Boolean {
-        val labelLatin = romanize(label)
+        val normalizedLabel = label.normalize()
         val fuzzyScore = FuzzyScore(Locale.getDefault())
         return fuzzyScore.fuzzyScore(label, query) >= query.length * 1.5 ||
-                fuzzyScore.fuzzyScore(labelLatin, query) >= query.length * 1.5
+                fuzzyScore.fuzzyScore(normalizedLabel, query.normalize()) >= query.length * 1.5
-    }
-
-    private fun romanize(label: String): String {
-        return Pinyin.toPinyin(label, "").lowercase(Locale.getDefault())
     }
 
     private fun getActivityByComponentName(componentName: ComponentName?): Application? {

appshortcuts/build.gradle.kts

@@ -42,7 +42,6 @@ dependencies {
     implementation(libs.koin.android)
 
     implementation(libs.commons.text)
-    implementation(libs.tinypinyin)
 
     implementation(project(":search"))
     implementation(project(":permissions"))

appshortcuts/src/main/java/de/mm20/launcher2/appshortcuts/AppShortcutRepository.kt

@@ -6,7 +6,8 @@ import android.content.pm.LauncherApps
 import android.content.pm.PackageManager
 import android.os.Process
 import androidx.core.content.getSystemService
-import com.github.promeg.pinyinhelper.Pinyin
+import de.mm20.launcher2.ktx.normalize
+import de.mm20.launcher2.ktx.romanize
 import de.mm20.launcher2.permissions.PermissionGroup
 import de.mm20.launcher2.permissions.PermissionsManager
 import de.mm20.launcher2.preferences.LauncherDataStore
@@ -128,13 +129,9 @@ internal class AppShortcutRepositoryImpl(
 
 
     private fun matches(label: String, query: String): Boolean {
-        val labelLatin = romanize(label)
+        val labelLatin = label.normalize()
         val fuzzyScore = FuzzyScore(Locale.getDefault())
         return fuzzyScore.fuzzyScore(label, query) >= query.length * 1.5 ||
-                fuzzyScore.fuzzyScore(labelLatin, query) >= query.length * 1.5
+                fuzzyScore.fuzzyScore(labelLatin, query.normalize()) >= query.length * 1.5
-    }
-
-    private fun romanize(label: String): String {
-        return Pinyin.toPinyin(label, "").lowercase(Locale.getDefault())
     }
 }

ktx/build.gradle.kts

@@ -38,6 +38,7 @@ dependencies {
     implementation(libs.bundles.kotlin)
 
     implementation(libs.androidx.core)
+    implementation(libs.tinypinyin)
     implementation(libs.androidx.appcompat)
     implementation(libs.bundles.androidx.lifecycle)
 

ktx/src/main/java/de/mm20/launcher2/ktx/String.kt

@@ -1,7 +1,25 @@
 package de.mm20.launcher2.ktx
 
+import com.github.promeg.pinyinhelper.Pinyin
 import java.net.URLDecoder
+import java.util.*
 
 fun String.decodeUrl(charset: String): String? {
     return URLDecoder.decode(this, charset)
 }
+
+/**
+ * Normalize a string to lowercase ASCII
+ * TODO: Only supports Chinese/Pinyin at the moment
+ */
+fun String.normalize(): String {
+    return this.romanize().lowercase(Locale.getDefault())
+}
+
+/**
+ * Romanize a string, transliterate non-latin characters into latin
+ * TODO: Only supports Chinese/Pinyin at the moment
+ */
+fun String.romanize(): String {
+    return Pinyin.toPinyin(this, "")
+}

search/src/main/java/de/mm20/launcher2/search/data/Searchable.kt

@@ -1,13 +1,12 @@
 package de.mm20.launcher2.search.data
 
-import android.content.ActivityNotFoundException
 import android.content.Context
 import android.content.Intent
 import android.os.Bundle
 import android.widget.Toast
 import de.mm20.launcher2.icons.LauncherIcon
+import de.mm20.launcher2.ktx.romanize
 import de.mm20.launcher2.ktx.tryStartActivity
-import de.mm20.launcher2.preferences.Settings
 import de.mm20.launcher2.preferences.Settings.IconSettings.LegacyIconBackground
 import de.mm20.launcher2.search.R
 import java.text.Collator
@@ -26,16 +25,26 @@ abstract class Searchable : Comparable<Searchable> {
         return if (context.tryStartActivity(intent, options)) {
             true
         } else {
-            Toast.makeText(context, context.getString(R.string.error_activity_not_found, label), Toast.LENGTH_SHORT).show()
+            Toast.makeText(
+                context,
+                context.getString(R.string.error_activity_not_found, label),
+                Toast.LENGTH_SHORT
+            ).show()
             false
         }
     }
 
-    open suspend fun loadIcon(context: Context, size: Int, legacyIconBackground: LegacyIconBackground): LauncherIcon? = null
+    open suspend fun loadIcon(
+        context: Context,
+        size: Int,
+        legacyIconBackground: LegacyIconBackground
+    ): LauncherIcon? = null
+
     abstract fun getPlaceholderIcon(context: Context): LauncherIcon
 
     override fun compareTo(other: Searchable): Int {
-        return Collator.getInstance().apply { strength = Collator.SECONDARY }.compare(label, other.label)
+        return Collator.getInstance().apply { strength = Collator.SECONDARY }
+            .compare(label.romanize(), other.label.romanize())
     }
 
     override fun equals(other: Any?): Boolean {