incorporate androidlib

app/src/main/java/com/geeksville/mesh/analytics/AnalyticsClient.kt

@@ -0,0 +1,49 @@
+package com.geeksville.mesh.analytics
+
+import com.google.firebase.analytics.FirebaseAnalytics
+
+/**
+ * Created by kevinh on 12/24/14.
+ */
+class DataPair(val name: String, valueIn: Any?) {
+    val value = valueIn ?: "null"
+
+    /// An accumulating firebase event - only one allowed per event
+    constructor(d: Double) : this(FirebaseAnalytics.Param.VALUE, d)
+    constructor(d: Int) : this(FirebaseAnalytics.Param.VALUE, d)
+}
+
+public interface AnalyticsProvider {
+
+    // Turn analytics logging on/off
+    fun setEnabled(on: Boolean)
+
+    /**
+     * Store an event
+     */
+    fun track(event: String, vararg properties: DataPair): Unit
+
+    /**
+     * Only track this event if using a cheap provider (like google)
+     */
+    fun trackLowValue(event: String, vararg properties: DataPair): Unit
+
+    fun endSession(): Unit
+    fun startSession(): Unit
+
+    /**
+     * Set persistent ID info about this user, as a key value pair
+     */
+    fun setUserInfo(vararg p: DataPair)
+
+    /**
+     * Increment some sort of anyalytics counter
+     */
+    fun increment(name: String, amount: Double = 1.0)
+
+    fun sendScreenView(name: String)
+    fun endScreenView()
+
+}
+
+