fix intValue of ObdModes, add modeString to trim leading 0 from modes in DTCs, remove kotlin-android-extensions plugin

Author: Brad Barnhill

build.gradle

@@ -4,7 +4,7 @@ wrapper {
 }
 
 buildscript {
-    ext.kotlin_version = '1.4.20'
+    ext.kotlin_version = '1.4.21'
     repositories {
         google()
         jcenter()

obd/build.gradle

@@ -1,6 +1,5 @@
 apply plugin: 'com.android.library'
 apply plugin: 'kotlin-android'
-apply plugin: 'kotlin-android-extensions'
 apply plugin: 'kotlin-kapt'
 apply plugin: 'kotlinx-serialization'
 apply plugin: 'maven'
@@ -47,7 +46,7 @@ android {
 dependencies {
     implementation 'com.udojava:EvalEx:2.5'
     implementation "org.jetbrains.kotlin:kotlin-stdlib-jdk8:$kotlin_version"
-    implementation 'org.jetbrains.kotlinx:kotlinx-serialization-json:1.0.0'
+    implementation 'org.jetbrains.kotlinx:kotlinx-serialization-json:1.0.1'
     implementation "androidx.startup:startup-runtime:1.0.0"
 }
 

obd/src/main/java/com/pnuema/android/obd/enums/ObdModes.kt

@@ -12,6 +12,8 @@
  */
 package com.pnuema.android.obd.enums
 
+import java.lang.Long.parseLong
+
 /**
  * All OBD modes.
  *
@@ -69,5 +71,9 @@ enum class ObdModes constructor(val value: Char) {
     MODE_0A('A');
 
     val intValue: Int
-        get() = Character.digit(value, 16)
+        get() = parseLong(value.toString(), 16).toInt()
+
+    override fun toString(): String {
+        return value.toString()
+    }
 }

obd/src/main/java/com/pnuema/android/obd/models/DTC.kt

@@ -37,4 +37,6 @@ data class DTC (
 
         return this
     }
+
+    val modeString get() = mode.trimStart('0')
 }