android/app/build.gradle

@@ -136,6 +136,8 @@ android {
         versionCode Integer.parseInt(project.versionCode)
         versionName project.versionName
         missingDimensionStrategy "RNNotifications.reactNativeVersion", "reactNative60"
+        testBuildType System.getProperty('testBuildType', 'debug')  // This will later be used to control the test apk build type
+        testInstrumentationRunner 'androidx.test.runner.AndroidJUnitRunner'
     }
     signingConfigs {
         debug {
@@ -244,6 +246,9 @@ dependencies {
     implementation("com.github.bumptech.glide:annotations:${glideVersion}") {
         exclude group: "com.android.support", module: "annotations"
     }
+
+    androidTestImplementation('com.wix:detox:+') { transitive = true } 
+    androidTestImplementation 'junit:junit:4.12'
 }
 
 // Run this once to be able to run the application with BUCK

android/app/src/androidTest/java/com/minds/mobile/DetoxTest.java

+package com.minds.mobile;
+
+import com.wix.detox.Detox;
+
+import org.junit.Rule;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+
+import androidx.test.ext.junit.runners.AndroidJUnit4;
+import androidx.test.filters.LargeTest;
+import androidx.test.rule.ActivityTestRule;
+
+@RunWith(AndroidJUnit4.class)
+@LargeTest
+public class DetoxTest {
+
+    @Rule
+    public ActivityTestRule<MainActivity> mActivityRule = new ActivityTestRule<>(MainActivity.class, false, false);
+
+    @Test
+    public void runDetoxTests() {
+        Detox.runTests(mActivityRule);
+    }
+}
\ No newline at end of file

android/build.gradle

@@ -11,6 +11,7 @@ buildscript {
         supportLibVersion = "28.0.0"
         androidXCore = "1.0.2"
         glideVersion = "4.7.1"
+        kotlinVersion = '1.3.10'
     }
     repositories {
         google()
@@ -19,6 +20,7 @@ buildscript {
     dependencies {
         classpath 'com.android.tools.build:gradle:3.4.2'
         classpath 'com.google.gms:google-services:4.3.0'
+        classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlinVersion"
         // NOTE: Do not place your application dependencies here; they belong
         // in the individual module build.gradle files
     }
@@ -27,6 +29,10 @@ buildscript {
 allprojects {
     repositories {
         mavenLocal()
+        maven {
+            // All of Detox' artifacts are provided via the npm module
+            url "$rootDir/../node_modules/detox/Detox-android"
+        }
         maven {
             url "https://github.com/jitsi/jitsi-maven-repository/raw/master/releases"
         }
@@ -56,6 +62,10 @@ subprojects {
             android {
                 compileSdkVersion rootProject.ext.compileSdkVersion
                 buildToolsVersion rootProject.ext.supportLibVersion
+
+                defaultConfig {
+                    minSdkVersion 21
+                }
             }
         }
     }

package.json

@@ -22,6 +22,7 @@
     "@react-native-community/netinfo": "^4.4.0",
     "@sentry/react-native": "^1.0.9",
     "crypto-js": "^3.1.9-1",
+    "detox": "^14.8.1",
     "entities": "^2.0.0",
     "ethjs-signer": "^0.1.1",
     "i18n-js": "^3.2.2",
@@ -121,6 +122,22 @@
         "device": {
           "type": "iPhone 11"
         }
+      },
+      "android.emu.debug": {
+        "binaryPath": "android/app/build/outputs/apk/debug/app-debug.apk",
+        "build": "cd android && ./gradlew assembleDebug assembleAndroidTest -DtestBuildType=debug && cd ..",
+        "type": "android.attached",
+        "device": {
+          "name": "ZY2234PLHJ"
+        }
+      },
+      "android.emu.release": {
+        "binaryPath": "android/app/build/outputs/apk/release/app-release.apk",
+        "build": "cd android && ./gradlew assembleRelease assembleAndroidTest -DtestBuildType=release && cd ..",
+        "type": "android.attached",
+        "device": {
+          "name": "ZY2234PLHJ"
+        }
       }
     },
     "test-runner": "jest"

yarn.lock

@@ -3346,10 +3346,10 @@ detect-newline@^2.1.0:
   resolved "https://registry.yarnpkg.com/detect-newline/-/detect-newline-2.1.0.tgz#f41f1c10be4b00e87b5f13da680759f2c5bfd3e2"
   integrity sha1-9B8cEL5LAOh7XxPaaAdZ8sW/0+I=
 
-detox@^14.7.1:
-  version "14.7.1"
-  resolved "https://registry.yarnpkg.com/detox/-/detox-14.7.1.tgz#14aa533078f88407238a41a53ac0556fadcaf39f"
-  integrity sha512-XEkficJ5GlMVTbQzJAiuoGVGasgJb5/uFzeuhPrNW7oZ/ar4toOEp57tu95YteFvLEI1ikXe6j7Rp0shAbZKjg==
+detox@^14.8.1:
+  version "14.8.1"
+  resolved "https://registry.yarnpkg.com/detox/-/detox-14.8.1.tgz#031493f6dd20273862419a13f71487668b525821"
+  integrity sha512-tyCs/13E9xoNX8d8OPLmti7vVsbZUdQRQXLlkxhdLavILjG3lrABeJDUM0zKiTvUjVDsbcrVKAXVwlONwTJa6g==
   dependencies:
     "@babel/core" "^7.4.5"
     bunyan "^1.8.12"