Add release build

.gitignore

@@ -13,4 +13,4 @@
 .externalNativeBuild
 .cxx
 local.properties
-/keystore.jks
+keystore.jks

app/build.gradle.kts

@@ -7,6 +7,15 @@ android {
     namespace = "com.henryhiles.qscan"
     compileSdk = 33
 
+    signingConfigs {
+        create("release") {
+            storeFile = file("${rootDir}/keystore.jks")
+            keyPassword = System.getenv("KEY_PASSWORD")
+            keyAlias = "key0"
+            storePassword = System.getenv("STORE_PASSWORD")
+        }
+    }
+
     defaultConfig {
         applicationId = "com.henryhiles.qscan"
         minSdk = 29
@@ -14,7 +23,6 @@ android {
         versionCode = 1
         versionName = "1.0"
 
-        testInstrumentationRunner = "androidx.test.runner.AndroidJUnitRunner"
         vectorDrawables {
             useSupportLibrary = true
         }
@@ -23,6 +31,8 @@ android {
     buildTypes {
         named("release") {
             isMinifyEnabled = true
+            isShrinkResources = true
+            signingConfig = signingConfigs.getByName("release")
             setProguardFiles(
                 listOf(
                     getDefaultProguardFile("proguard-android-optimize.txt"),
@@ -31,7 +41,6 @@ android {
             )
         }
         named("debug") {
-            isMinifyEnabled = false
             applicationIdSuffix = ".debug"
         }
     }

app/src/androidTest/java/com/henryhiles/qscan/ExampleInstrumentedTest.kt

@@ -1,24 +0,0 @@
-package com.henryhiles.qscan
-
-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.henryhiles.qscan", appContext.packageName)
-    }
-}