add sample app

Author: wenxi-zeng

testapp/build.gradle.kts

@@ -35,6 +35,7 @@ android {
 }
 
 dependencies {
+    implementation("com.segment.analytics.kotlin:android:1.12.0")
     implementation(project(mapOf("path" to ":lib")))
 
     implementation("androidx.core:core-ktx:1.7.0")

testapp/src/main/AndroidManifest.xml

@@ -3,6 +3,7 @@
     package="com.segment.analytics.destinations.mydestination.testapp">
 
     <application
+        android:name=".MainApplication"
         android:allowBackup="true"
         android:icon="@mipmap/ic_launcher"
         android:label="@string/app_name"

testapp/src/main/java/com/segment/analytics/destinations/mydestination/testapp/MainApplication.kt

@@ -0,0 +1,26 @@
+package com.segment.analytics.destinations.mydestination.testapp
+
+import android.app.Application
+import com.segment.analytics.kotlin.android.Analytics
+import com.segment.analytics.kotlin.core.Analytics
+import com.segment.analytics.kotlin.core.manuallyEnableDestination
+import com.segment.analytics.kotlin.destinations.adjust.AdjustDestination
+
+class MainApplication : Application() {
+    companion object {
+        lateinit var analytics: Analytics
+    }
+
+    override fun onCreate() {
+        super.onCreate()
+
+        analytics = Analytics("<writekey>", applicationContext) {
+            flushAt = 1
+            flushInterval = 10
+        }
+
+        Analytics.debugLogsEnabled = true
+        val adjust = AdjustDestination()
+        analytics.add(adjust)
+    }
+}