ui: replace deprecated string operations

Signed-off-by: Harsh Shandilya <me@msfjarvis.dev>

3 files changed, 6 insertions, 10 deletions

diff --git a/ui/src/main/java/com/wireguard/android/model/TunnelComparator.kt b/ui/src/main/java/com/wireguard/android/model/TunnelComparator.kt
index 9fb96cab..9e72f4ee 100644
--- a/ui/src/main/java/com/wireguard/android/model/TunnelComparator.kt
+++ b/ui/src/main/java/com/wireguard/android/model/TunnelComparator.kt
@@ -5,8 +5,6 @@
 
 package com.wireguard.android.model
 
-import java.util.Locale
-
 object TunnelComparator : Comparator<String> {
     private class NaturalSortString(originalString: String) {
         class NaturalSortToken(val maybeString: String?, val maybeNumber: Int?) : Comparable<NaturalSortToken> {
@@ -29,7 +27,7 @@ object TunnelComparator : Comparator<String> {
         val tokens: MutableList<NaturalSortToken> = ArrayList()
 
         init {
-            for (s in NATURAL_SORT_DIGIT_FINDER.findAll(originalString.split(WHITESPACE_FINDER).joinToString(" ").toLowerCase(Locale.ENGLISH))) {
+            for (s in NATURAL_SORT_DIGIT_FINDER.findAll(originalString.split(WHITESPACE_FINDER).joinToString(" ").lowercase())) {
                 try {
                     val n = s.value.toInt()
                     tokens.add(NaturalSortToken(null, n))
diff --git a/ui/src/main/java/com/wireguard/android/preference/VersionPreference.kt b/ui/src/main/java/com/wireguard/android/preference/VersionPreference.kt
index 1ae4e9e6..a0c9e027 100644
--- a/ui/src/main/java/com/wireguard/android/preference/VersionPreference.kt
+++ b/ui/src/main/java/com/wireguard/android/preference/VersionPreference.kt
@@ -20,7 +20,6 @@ import com.wireguard.android.util.lifecycleScope
 import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.launch
 import kotlinx.coroutines.withContext
-import java.util.Locale
 
 class VersionPreference(context: Context, attrs: AttributeSet?) : Preference(context, attrs) {
     private var versionSummary: String? = null
@@ -49,12 +48,12 @@ class VersionPreference(context: Context, attrs: AttributeSet?) : Preference(con
     init {
         lifecycleScope.launch {
             val backend = Application.getBackend()
-            versionSummary = getContext().getString(R.string.version_summary_checking, getBackendPrettyName(context, backend).toLowerCase(Locale.ENGLISH))
+            versionSummary = getContext().getString(R.string.version_summary_checking, getBackendPrettyName(context, backend).lowercase())
             notifyChanged()
             versionSummary = try {
                 getContext().getString(R.string.version_summary, getBackendPrettyName(context, backend), withContext(Dispatchers.IO) { backend.version })
             } catch (_: Throwable) {
-                getContext().getString(R.string.version_summary_unknown, getBackendPrettyName(context, backend).toLowerCase(Locale.ENGLISH))
+                getContext().getString(R.string.version_summary_unknown, getBackendPrettyName(context, backend).lowercase())
             }
             notifyChanged()
         }
diff --git a/ui/src/main/java/com/wireguard/android/util/TunnelImporter.kt b/ui/src/main/java/com/wireguard/android/util/TunnelImporter.kt
index a197bd7b..2af31993 100644
--- a/ui/src/main/java/com/wireguard/android/util/TunnelImporter.kt
+++ b/ui/src/main/java/com/wireguard/android/util/TunnelImporter.kt
@@ -25,7 +25,6 @@ import java.io.ByteArrayInputStream
 import java.io.InputStreamReader
 import java.nio.charset.StandardCharsets
 import java.util.ArrayList
-import java.util.Locale
 import java.util.zip.ZipEntry
 import java.util.zip.ZipInputStream
 
@@ -50,8 +49,8 @@ object TunnelImporter {
                 require(idx < name.length - 1) { context.getString(R.string.illegal_filename_error, name) }
                 name = name.substring(idx + 1)
             }
-            val isZip = name.toLowerCase(Locale.ROOT).endsWith(".zip")
-            if (name.toLowerCase(Locale.ROOT).endsWith(".conf")) {
+            val isZip = name.lowercase().endsWith(".zip")
+            if (name.lowercase().endsWith(".conf")) {
                 name = name.substring(0, name.length - ".conf".length)
             } else {
                 require(isZip) { context.getString(R.string.bad_extension_error) }
@@ -71,7 +70,7 @@ object TunnelImporter {
                             }
                             name = name.substring(name.lastIndexOf('/') + 1)
                         }
-                        if (name.toLowerCase(Locale.ROOT).endsWith(".conf")) {
+                        if (name.lowercase().endsWith(".conf")) {
                             name = name.substring(0, name.length - ".conf".length)
                         } else {
                             continue