perf: remove unused code

Author: MahboubehSeyedpour

app/src/main/java/com/example/jetpackloading/MainActivity.kt

@@ -69,8 +69,6 @@ fun Greeting() {
     // get screen height and width
     val configuration = LocalConfiguration.current
     val screenWidthDp = configuration.screenWidthDp.dp
-    val screenHeightDp = configuration.screenHeightDp.dp
-
 
     Column(
         modifier = Modifier

app/src/main/java/com/example/jetpackloading/enums/AnimationType.kt

@@ -1,6 +1,6 @@
 package com.example.jetpackloading.enums
 
-enum class AnimationType(id: Int, val animDuration: Int, val circleDelay: Long) {
-    CIRCULAR(1, 500, 100L),
-    SKIP_AND_REPEAT(2, 250, 250L);
+enum class AnimationType(val animDuration: Int, val circleDelay: Long) {
+    CIRCULAR(500, 100L),
+    SKIP_AND_REPEAT(250, 250L);
 }

app/src/main/java/com/example/jetpackloading/extension/ListExt.kt

@@ -1,13 +1,11 @@
 package com.example.jetpackloading.extension
 
 fun <T> List<T>.mirror(): List<T> {
-    var mirroredList = listOf<T>()
+    val mirroredList = this.toMutableList()
     if (this.size.isOdd()) {
-        mirroredList = this.toMutableList()
         val reversedPart = this.subList(0, size - 1).reversed()
         mirroredList.addAll(reversedPart)
     } else {
-        mirroredList = this.toMutableList()
         val reversedPart = this.reversed()
         mirroredList.addAll(reversedPart)
     }