refactor: Migrate MPLifecycleCallbackDelegate and MPLocationListener …

…class to Kotlin (#506)

android-core/src/main/kotlin/com/mparticle/internal/MPLifecycleCallbackDelegate.kt

@@ -0,0 +1,44 @@
+package com.mparticle.internal
+
+import android.annotation.TargetApi
+import android.app.Activity
+import android.app.Application.ActivityLifecycleCallbacks
+import android.os.Build
+import android.os.Bundle
+
+/**
+ * This class is used by the AppStateManager to determine when the app is visible or in the background.
+ *
+ * Separated into its own class to avoid annoying logcat messages on pre-ICS devices.
+ */
+@TargetApi(Build.VERSION_CODES.ICE_CREAM_SANDWICH)
+internal class MPLifecycleCallbackDelegate(private val mStateManager: AppStateManager) :
+    ActivityLifecycleCallbacks {
+    override fun onActivityCreated(activity: Activity, savedInstanceState: Bundle?) {
+        mStateManager.onActivityCreated(activity, savedInstanceState)
+    }
+
+    override fun onActivityStarted(activity: Activity) {
+        mStateManager.onActivityStarted(activity)
+    }
+
+    override fun onActivityResumed(activity: Activity) {
+        mStateManager.onActivityResumed(activity)
+    }
+
+    override fun onActivityPaused(activity: Activity) {
+        mStateManager.onActivityPaused(activity)
+    }
+
+    override fun onActivityStopped(activity: Activity) {
+        mStateManager.onActivityStopped(activity)
+    }
+
+    override fun onActivitySaveInstanceState(activity: Activity, outState: Bundle) {
+        mStateManager.onActivitySaveInstanceState(activity, outState)
+    }
+
+    override fun onActivityDestroyed(activity: Activity) {
+        mStateManager.onActivityDestroyed(activity)
+    }
+}

android-core/src/main/kotlin/com/mparticle/internal/MPLocationListener.kt

@@ -0,0 +1,21 @@
+package com.mparticle.internal
+
+import android.location.Location
+import android.location.LocationListener
+import android.os.Bundle
+import com.mparticle.MParticle
+
+class MPLocationListener(private val mParticle: MParticle) : LocationListener {
+    override fun onLocationChanged(location: Location) {
+        mParticle.setLocation(location)
+    }
+
+    override fun onStatusChanged(provider: String, status: Int, extras: Bundle) {
+    }
+
+    override fun onProviderEnabled(provider: String) {
+    }
+
+    override fun onProviderDisabled(provider: String) {
+    }
+}