File extensions case insensitive

app/build.gradle

@@ -44,7 +44,7 @@ android {
 
 dependencies {
     implementation fileTree(dir: "libs", include: ["*.jar"])
-    implementation "org.jetbrains.kotlin:kotlin-stdlib:$kotlin_version"
+    implementation "org.jetbrains.kotlin:kotlin-stdlib-jdk8:$kotlin_version"
     implementation "androidx.core:core-ktx:1.3.2"
     implementation "androidx.appcompat:appcompat:1.2.0"
     implementation "androidx.constraintlayout:constraintlayout:2.0.4"
@@ -63,5 +63,4 @@ dependencies {
     implementation "androidx.camera:camera-lifecycle:$camerax_version"
     implementation "androidx.camera:camera-view:1.0.0-alpha20"
     implementation "androidx.camera:camera-extensions:1.0.0-alpha20"
-
 }

app/src/main/java/sushi/hardcore/droidfs/ConstValues.kt

@@ -2,6 +2,7 @@ package sushi.hardcore.droidfs
 
 import android.net.Uri
 import java.io.File
+import java.util.*
 
 class ConstValues {
     companion object {
@@ -20,17 +21,21 @@ class ConstValues {
             Pair("text", listOf("txt", "json", "conf", "log", "xml", "java", "kt", "py", "pl", "rb", "go", "c", "h", "cpp", "hpp", "sh", "bat", "js", "html", "css", "php", "yml", "yaml", "ini", "md"))
         )
 
+        private fun isExtensionType(extensionType: String, path: String): Boolean {
+            return fileExtensions[extensionType]?.contains(File(path).extension.toLowerCase(Locale.ROOT)) ?: false
+        }
+
         fun isImage(path: String): Boolean {
-            return fileExtensions["image"]?.contains(File(path).extension) ?: false
+            return isExtensionType("image", path)
         }
         fun isVideo(path: String): Boolean {
-            return fileExtensions["video"]?.contains(File(path).extension) ?: false
+            return isExtensionType("video", path)
         }
         fun isAudio(path: String): Boolean {
-            return fileExtensions["audio"]?.contains(File(path).extension) ?: false
+            return isExtensionType("audio", path)
         }
         fun isText(path: String): Boolean {
-            return fileExtensions["text"]?.contains(File(path).extension) ?: false
+            return isExtensionType("text", path)
         }
         fun getAssociatedDrawable(path: String): Int {
             return when {

build.gradle

@@ -1,12 +1,12 @@
 // Top-level build file where you can add configuration options common to all sub-projects/modules.
 buildscript {
-    ext.kotlin_version = "1.4.10"
+    ext.kotlin_version = "1.4.21"
     repositories {
         google()
         jcenter()
     }
     dependencies {
-        classpath 'com.android.tools.build:gradle:4.1.1'
+        classpath 'com.android.tools.build:gradle:4.1.2'
         classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version"
     }
 }