diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..aa724b7
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,15 @@
+*.iml
+.gradle
+/local.properties
+/.idea/caches
+/.idea/libraries
+/.idea/modules.xml
+/.idea/workspace.xml
+/.idea/navEditor.xml
+/.idea/assetWizardSettings.xml
+.DS_Store
+/build
+/captures
+.externalNativeBuild
+.cxx
+local.properties
diff --git a/.idea/.gitignore b/.idea/.gitignore
new file mode 100644
index 0000000..26d3352
--- /dev/null
+++ b/.idea/.gitignore
@@ -0,0 +1,3 @@
+# Default ignored files
+/shelf/
+/workspace.xml
diff --git a/.idea/.name b/.idea/.name
new file mode 100644
index 0000000..5857546
--- /dev/null
+++ b/.idea/.name
@@ -0,0 +1 @@
+SteamID Converter
\ No newline at end of file
diff --git a/.idea/codeStyles/Project.xml b/.idea/codeStyles/Project.xml
new file mode 100644
index 0000000..3c7772a
--- /dev/null
+++ b/.idea/codeStyles/Project.xml
@@ -0,0 +1,139 @@
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+ xmlns:android
+
+ ^$
+
+
+
+
+
+
+
+
+ xmlns:.*
+
+ ^$
+
+
+ BY_NAME
+
+
+
+
+
+
+ .*:id
+
+ http://schemas.android.com/apk/res/android
+
+
+
+
+
+
+
+
+ .*:name
+
+ http://schemas.android.com/apk/res/android
+
+
+
+
+
+
+
+
+ name
+
+ ^$
+
+
+
+
+
+
+
+
+ style
+
+ ^$
+
+
+
+
+
+
+
+
+ .*
+
+ ^$
+
+
+ BY_NAME
+
+
+
+
+
+
+ .*
+
+ http://schemas.android.com/apk/res/android
+
+
+ ANDROID_ATTRIBUTE_ORDER
+
+
+
+
+
+
+ .*
+
+ .*
+
+
+ BY_NAME
+
+
+
+
+
+
+
+
+
+
\ No newline at end of file
diff --git a/.idea/codeStyles/codeStyleConfig.xml b/.idea/codeStyles/codeStyleConfig.xml
new file mode 100644
index 0000000..79ee123
--- /dev/null
+++ b/.idea/codeStyles/codeStyleConfig.xml
@@ -0,0 +1,5 @@
+
+
+
+
+
\ No newline at end of file
diff --git a/.idea/compiler.xml b/.idea/compiler.xml
new file mode 100644
index 0000000..61a9130
--- /dev/null
+++ b/.idea/compiler.xml
@@ -0,0 +1,6 @@
+
+
+
+
+
+
\ No newline at end of file
diff --git a/.idea/gradle.xml b/.idea/gradle.xml
new file mode 100644
index 0000000..23a89bb
--- /dev/null
+++ b/.idea/gradle.xml
@@ -0,0 +1,22 @@
+
+
+
+
+
+
+
\ No newline at end of file
diff --git a/.idea/jarRepositories.xml b/.idea/jarRepositories.xml
new file mode 100644
index 0000000..a5f05cd
--- /dev/null
+++ b/.idea/jarRepositories.xml
@@ -0,0 +1,25 @@
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
\ No newline at end of file
diff --git a/.idea/misc.xml b/.idea/misc.xml
new file mode 100644
index 0000000..d5d35ec
--- /dev/null
+++ b/.idea/misc.xml
@@ -0,0 +1,9 @@
+
+
+
+
+
+
+
+
+
\ No newline at end of file
diff --git a/.idea/vcs.xml b/.idea/vcs.xml
new file mode 100644
index 0000000..94a25f7
--- /dev/null
+++ b/.idea/vcs.xml
@@ -0,0 +1,6 @@
+
+
+
+
+
+
\ No newline at end of file
diff --git a/app/.gitignore b/app/.gitignore
new file mode 100644
index 0000000..42afabf
--- /dev/null
+++ b/app/.gitignore
@@ -0,0 +1 @@
+/build
\ No newline at end of file
diff --git a/app/build.gradle b/app/build.gradle
new file mode 100644
index 0000000..37b5d23
--- /dev/null
+++ b/app/build.gradle
@@ -0,0 +1,45 @@
+plugins {
+ id 'com.android.application'
+ id 'kotlin-android'
+}
+
+android {
+ compileSdkVersion 30
+ buildToolsVersion "30.0.2"
+
+ defaultConfig {
+ applicationId "com.coffee.steamidconverter"
+ minSdkVersion 22
+ targetSdkVersion 30
+ versionCode 1
+ versionName "1.0"
+
+ testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
+ }
+
+ buildTypes {
+ release {
+ minifyEnabled false
+ proguardFiles getDefaultProguardFile('proguard-android-optimize.txt'), 'proguard-rules.pro'
+ }
+ }
+ compileOptions {
+ sourceCompatibility JavaVersion.VERSION_1_8
+ targetCompatibility JavaVersion.VERSION_1_8
+ }
+ kotlinOptions {
+ jvmTarget = '1.8'
+ }
+}
+
+dependencies {
+
+ implementation "org.jetbrains.kotlin:kotlin-stdlib:$kotlin_version"
+ implementation 'androidx.core:core-ktx:1.3.2'
+ implementation 'androidx.appcompat:appcompat:1.2.0'
+ implementation 'com.google.android.material:material:1.2.1'
+ implementation 'androidx.constraintlayout:constraintlayout:2.0.4'
+ testImplementation 'junit:junit:4.+'
+ androidTestImplementation 'androidx.test.ext:junit:1.1.2'
+ androidTestImplementation 'androidx.test.espresso:espresso-core:3.3.0'
+}
\ No newline at end of file
diff --git a/app/proguard-rules.pro b/app/proguard-rules.pro
new file mode 100644
index 0000000..481bb43
--- /dev/null
+++ b/app/proguard-rules.pro
@@ -0,0 +1,21 @@
+# Add project specific ProGuard rules here.
+# You can control the set of applied configuration files using the
+# proguardFiles setting in build.gradle.
+#
+# For more details, see
+# http://developer.android.com/guide/developing/tools/proguard.html
+
+# If your project uses WebView with JS, uncomment the following
+# and specify the fully qualified class name to the JavaScript interface
+# class:
+#-keepclassmembers class fqcn.of.javascript.interface.for.webview {
+# public *;
+#}
+
+# Uncomment this to preserve the line number information for
+# debugging stack traces.
+#-keepattributes SourceFile,LineNumberTable
+
+# If you keep the line number information, uncomment this to
+# hide the original source file name.
+#-renamesourcefileattribute SourceFile
\ No newline at end of file
diff --git a/app/src/androidTest/java/com/coffee/steamidconverter/ExampleInstrumentedTest.kt b/app/src/androidTest/java/com/coffee/steamidconverter/ExampleInstrumentedTest.kt
new file mode 100644
index 0000000..42012e4
--- /dev/null
+++ b/app/src/androidTest/java/com/coffee/steamidconverter/ExampleInstrumentedTest.kt
@@ -0,0 +1,24 @@
+package com.coffee.steamidconverter
+
+import androidx.test.platform.app.InstrumentationRegistry
+import androidx.test.ext.junit.runners.AndroidJUnit4
+
+import org.junit.Test
+import org.junit.runner.RunWith
+
+import org.junit.Assert.*
+
+/**
+ * Instrumented test, which will execute on an Android device.
+ *
+ * See [testing documentation](http://d.android.com/tools/testing).
+ */
+@RunWith(AndroidJUnit4::class)
+class ExampleInstrumentedTest {
+ @Test
+ fun useAppContext() {
+ // Context of the app under test.
+ val appContext = InstrumentationRegistry.getInstrumentation().targetContext
+ assertEquals("com.coffee.steamidconverter", appContext.packageName)
+ }
+}
\ No newline at end of file
diff --git a/app/src/main/AndroidManifest.xml b/app/src/main/AndroidManifest.xml
new file mode 100644
index 0000000..f8ec2e0
--- /dev/null
+++ b/app/src/main/AndroidManifest.xml
@@ -0,0 +1,21 @@
+
+
+
+
+
+
+
+
+
+
+
+
+
+
\ No newline at end of file
diff --git a/app/src/main/java/com/coffee/steamidconverter/MainActivity.kt b/app/src/main/java/com/coffee/steamidconverter/MainActivity.kt
new file mode 100644
index 0000000..662e5cf
--- /dev/null
+++ b/app/src/main/java/com/coffee/steamidconverter/MainActivity.kt
@@ -0,0 +1,33 @@
+package com.coffee.steamidconverter
+
+import androidx.appcompat.app.AppCompatActivity
+import android.os.Bundle
+import android.text.TextUtils
+import com.coffee.steamidconverter.utils.SteamIDConverter
+import com.google.android.material.button.MaterialButton
+import com.google.android.material.textfield.TextInputEditText
+import com.google.android.material.textview.MaterialTextView
+
+class MainActivity : AppCompatActivity() {
+ override fun onCreate(savedInstanceState: Bundle?) {
+ super.onCreate(savedInstanceState)
+ setContentView(R.layout.activity_main)
+
+ val steamIDInput: TextInputEditText = findViewById(R.id.steamIDInput)
+ val steamIDTV: MaterialTextView = findViewById(R.id.tvSteamID)
+ val convertBtn: MaterialButton = findViewById(R.id.convertBtn)
+
+ convertBtn.setOnClickListener {
+ if (!TextUtils.isEmpty(steamIDInput.text)) {
+ val idMap =
+ SteamIDConverter(applicationContext).convert(steamIDInput.text.toString())
+
+ val displayText = if (!idMap.isNullOrEmpty()) {
+ idMap.entries.toString()
+ } else "Invalid SteamID"
+
+ steamIDTV.text = displayText
+ }
+ }
+ }
+}
\ No newline at end of file
diff --git a/app/src/main/java/com/coffee/steamidconverter/utils/SteamIDConverter.kt b/app/src/main/java/com/coffee/steamidconverter/utils/SteamIDConverter.kt
new file mode 100644
index 0000000..159fda8
--- /dev/null
+++ b/app/src/main/java/com/coffee/steamidconverter/utils/SteamIDConverter.kt
@@ -0,0 +1,153 @@
+package com.coffee.steamidconverter.utils
+
+import android.content.Context
+import com.coffee.steamidconverter.R
+import java.math.BigInteger
+import java.util.regex.Pattern
+
+class SteamIDConverter(private val context: Context) {
+
+ fun convert(steamID: String): Map? {
+ if (isInRange(steamID)) {
+ return mapOf(
+ STEAM_ID to toSteamID(steamID),
+ STEAM_ID_3 to toSteamID3(steamID),
+ STEAM_ID_64 to toSteamID64(steamID)
+ )
+ }
+ return null
+ }
+
+ private fun isInRange(steamID: String): Boolean {
+ val id64 = toSteamID64(steamID)
+ if (id64 != "Invalid SteamID") {
+ return BigInteger(id64) in MIN..MAX
+ }
+ return false
+ }
+
+ private fun validateID(ID: String): String {
+
+ patternMap.forEach {
+ if (it.value.matcher(ID).matches()) return it.key
+ }
+
+ return INVALID_ID
+ }
+
+ /**
+ * Generate a SteamID from a SteamID64 or SteamID3
+ */
+ private fun toSteamID(steamID: String): String {
+ when (validateID(steamID)) {
+ STEAM_ID -> return steamID
+
+ STEAM_ID_3 -> return fromSteamID3toSteamID(steamID)
+
+ STEAM_ID_64 -> {
+ val v = BigInteger(BASE_NUM.toString())
+
+ var w = BigInteger(steamID)
+
+ val y = w.mod(BigInteger.valueOf(2))
+
+ w = w.subtract(y).subtract(v)
+
+ return if (w.signum() < 1) {
+ "Cannot Generate SteamID"
+ } else String.format(
+ context.getString(R.string.steam_id),
+ y,
+ w.divide(BigInteger.valueOf(2))
+ )
+ }
+
+ INVALID_ID -> return "Invalid SteamID"
+ }
+ return "An Error Occurred"
+ }
+
+ /**
+ * Generate a SteamID3 from a SteamID or SteamID64
+ */
+ private fun toSteamID3(steamID: String): String {
+ var sID = steamID
+
+ when (validateID(sID)) {
+ STEAM_ID_3 -> return steamID
+
+ STEAM_ID_64 -> {
+ sID = toSteamID(sID)
+ }
+
+ INVALID_ID -> return "Invalid SteamID"
+ }
+
+ val s = sID.split(":")
+
+ return String.format(
+ context.getString(R.string.steam_id_3),
+ s[1].toInt() + s[2].toInt() * 2
+ )
+ }
+
+ /**
+ * Generate a SteamID64 from a SteamID or SteamID3
+ */
+ private fun toSteamID64(steamID: String): String {
+ var sID = steamID
+
+ when (validateID(sID)) {
+ STEAM_ID_64 -> return steamID
+
+ STEAM_ID_3 -> sID = fromSteamID3toSteamID(sID)
+
+ INVALID_ID -> return "Invalid SteamID"
+ }
+
+ val s = sID.split(":")
+ val v = BigInteger(BASE_NUM.toString())
+ val z = BigInteger(s[2])
+ val y = BigInteger(s[1])
+
+ return v.add(z.multiply(BigInteger.valueOf(2))).add(y).toString()
+ }
+
+ /**
+ * Generate a SteamID from a SteamID3
+ */
+ private fun fromSteamID3toSteamID(steamId: String): String {
+ val steamID3 = steamId.split(":")
+ val id = BigInteger(steamID3[2].substring(0, steamID3[2].length - 1))
+
+ return String.format(
+ context.getString(R.string.steam_id),
+ id.mod(BigInteger.valueOf(2)),
+ id.divide(BigInteger.valueOf(2))
+ )
+ }
+
+ companion object {
+ /* SteamID64 Identifier */
+ const val BASE_NUM = 0x0110000100000000
+
+ /* SteamID64 Minimum Value */
+ const val ID64_MIN = 0x0110000100000001
+ val MIN = BigInteger(ID64_MIN.toString())
+
+ /* SteamID64 Maximum Value */
+ const val ID64_MAX = 0x01100001FFFFFFFF
+ val MAX = BigInteger(ID64_MAX.toString())
+
+ private const val STEAM_ID = "STEAMID"
+ private const val STEAM_ID_3 = "STEAMID3"
+ private const val STEAM_ID_64 = "STEAMID64"
+ private const val INVALID_ID = ""
+
+ val patternMap = mapOf(
+ STEAM_ID to Pattern.compile("^STEAM_[0-5]:[01]:\\d+$"),
+ STEAM_ID_3 to Pattern.compile("^\\[U:1:[0-9]+]$"),
+ STEAM_ID_64 to Pattern.compile("^[0-9]{17}$")
+ )
+ }
+}
\ No newline at end of file
diff --git a/app/src/main/res/drawable-v24/ic_launcher_foreground.xml b/app/src/main/res/drawable-v24/ic_launcher_foreground.xml
new file mode 100644
index 0000000..2b068d1
--- /dev/null
+++ b/app/src/main/res/drawable-v24/ic_launcher_foreground.xml
@@ -0,0 +1,30 @@
+
+
+
+
+