Adding PassiveLocationPlugin to the Kotlin sample app. (#188)

Author: didiergarcia

samples/kotlin-android-app/src/main/java/com/segment/analytics/next/plugins/PassiveLocationPlugin.kt

@@ -0,0 +1,82 @@
+package com.segment.analytics.next.plugins
+
+import android.Manifest
+import android.content.Context
+import android.content.pm.PackageManager
+import android.location.LocationManager
+import android.os.Build
+import com.segment.analytics.kotlin.core.Analytics
+import com.segment.analytics.kotlin.core.BaseEvent
+import com.segment.analytics.kotlin.core.platform.Plugin
+import kotlinx.serialization.json.JsonPrimitive
+import kotlinx.serialization.json.buildJsonObject
+import androidx.core.app.ActivityCompat
+
+class PassiveLocationPlugin(val context: Context): Plugin {
+    override lateinit var analytics: Analytics
+    override val type: Plugin.Type = Plugin.Type.Enrichment
+
+    override fun execute(event: BaseEvent): BaseEvent? {
+
+        event.context = buildJsonObject {
+
+            event.context.forEach { (key, value) ->
+                put(key, value)
+            }
+
+            if (ActivityCompat.checkSelfPermission(
+                    context,
+                    Manifest.permission.ACCESS_FINE_LOCATION
+                ) == PackageManager.PERMISSION_GRANTED || ActivityCompat.checkSelfPermission(
+                    context,
+                    Manifest.permission.ACCESS_COARSE_LOCATION
+                ) == PackageManager.PERMISSION_GRANTED
+            ) {
+                val locationManager =
+                    context.getSystemService(Context.LOCATION_SERVICE) as LocationManager
+
+                // Passive Provider is API level 8
+                val passiveLastKnownLocation = locationManager.getLastKnownLocation(
+                    LocationManager.PASSIVE_PROVIDER
+                )
+
+                put("location", buildJsonObject {
+                    put("lat", JsonPrimitive(passiveLastKnownLocation?.latitude))
+                    put("lon", JsonPrimitive(passiveLastKnownLocation?.longitude))
+                    put("alt", JsonPrimitive(passiveLastKnownLocation?.altitude))
+                    put("acc", JsonPrimitive(passiveLastKnownLocation?.accuracy))
+                    put("bearing", JsonPrimitive(passiveLastKnownLocation?.bearing))
+                    put("provider", JsonPrimitive(passiveLastKnownLocation?.provider))
+                    put("speed", JsonPrimitive(passiveLastKnownLocation?.speed))
+
+                    if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O) {
+                        put("acc", JsonPrimitive(passiveLastKnownLocation?.verticalAccuracyMeters))
+                        put(
+                            "BearingAcc",
+                            JsonPrimitive(passiveLastKnownLocation?.bearingAccuracyDegrees)
+                        )
+                    }
+
+
+                    if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.TIRAMISU) {
+                        put(
+                            "elapsedRealtimeAgeMillis",
+                            JsonPrimitive(passiveLastKnownLocation?.elapsedRealtimeAgeMillis)
+                        )
+                        put(
+                            "elapsedRealtimeMillis",
+                            JsonPrimitive(passiveLastKnownLocation?.elapsedRealtimeMillis)
+                        )
+                        put("isMock", JsonPrimitive(passiveLastKnownLocation?.isMock))
+                    }
+                })
+            } else {
+                put("location", JsonPrimitive("n/a"))
+            }
+
+        }
+
+
+        return event
+    }
+}