From 70abecdde8fffd5d3b167fcb993eaa8cb01ffc06 Mon Sep 17 00:00:00 2001
From: tobrun <tobrun.van.nuland@gmail.com>
Date: Thu, 25 Apr 2019 18:00:18 +0200
Subject: [android] - callbacks as fields to MergeOfflineAcitivity

---
 .../offline/MergeOfflineRegionsActivity.kt         | 74 ++++++++++++----------
 .../mapbox/mapboxsdk/testapp/utils/FileUtils.kt    |  2 +-
 2 files changed, 42 insertions(+), 34 deletions(-)

diff --git a/platform/android/MapboxGLAndroidSDKTestApp/src/main/java/com/mapbox/mapboxsdk/testapp/activity/offline/MergeOfflineRegionsActivity.kt b/platform/android/MapboxGLAndroidSDKTestApp/src/main/java/com/mapbox/mapboxsdk/testapp/activity/offline/MergeOfflineRegionsActivity.kt
index 45ff67d688..e9321d5e27 100644
--- a/platform/android/MapboxGLAndroidSDKTestApp/src/main/java/com/mapbox/mapboxsdk/testapp/activity/offline/MergeOfflineRegionsActivity.kt
+++ b/platform/android/MapboxGLAndroidSDKTestApp/src/main/java/com/mapbox/mapboxsdk/testapp/activity/offline/MergeOfflineRegionsActivity.kt
@@ -4,8 +4,8 @@ import android.os.Bundle
 import android.support.v7.app.AppCompatActivity
 import android.widget.Toast
 import com.mapbox.mapboxsdk.Mapbox
-import com.mapbox.mapboxsdk.maps.Style
 import com.mapbox.mapboxsdk.log.Logger
+import com.mapbox.mapboxsdk.maps.Style
 import com.mapbox.mapboxsdk.offline.OfflineManager
 import com.mapbox.mapboxsdk.offline.OfflineRegion
 import com.mapbox.mapboxsdk.storage.FileSource
@@ -20,6 +20,43 @@ class MergeOfflineRegionsActivity : AppCompatActivity() {
     private const val TEST_STYLE = Style.SATELLITE
   }
 
+  private val onFileCopiedListener = object : FileUtils.OnFileCopiedFromAssetsListener {
+    override fun onFileCopiedFromAssets() {
+      Toast.makeText(
+        this@MergeOfflineRegionsActivity,
+        String.format("OnFileCOpied."),
+        Toast.LENGTH_LONG).show()
+      mergeDb()
+    }
+
+    override fun onError() {
+      Toast.makeText(
+        this@MergeOfflineRegionsActivity,
+        String.format("Error copying DB file."),
+        Toast.LENGTH_LONG).show()
+    }
+  }
+
+  private val onRegionMergedListener = object : OfflineManager.MergeOfflineRegionsCallback {
+    override fun onMerge(offlineRegions: Array<OfflineRegion>) {
+      mapView.getMapAsync {
+        it.setStyle(Style.Builder().fromUrl(TEST_STYLE))
+      }
+      Toast.makeText(
+        this@MergeOfflineRegionsActivity,
+        String.format("Merged %d regions.", offlineRegions.size),
+        Toast.LENGTH_LONG).show()
+    }
+
+    override fun onError(error: String) {
+      Toast.makeText(
+        this@MergeOfflineRegionsActivity,
+        String.format("Offline DB merge error."),
+        Toast.LENGTH_LONG).show()
+      Logger.e(LOG_TAG, error)
+    }
+  }
+
   override fun onCreate(savedInstanceState: Bundle?) {
     super.onCreate(savedInstanceState)
     setContentView(R.layout.activity_merge_offline_regions)
@@ -39,42 +76,13 @@ class MergeOfflineRegionsActivity : AppCompatActivity() {
 
   private fun copyAsset() {
     // copy db asset to internal memory
-    FileUtils.CopyFileFromAssetsTask(this, object : FileUtils.OnFileCopiedFromAssetsListener {
-      override fun onFileCopiedFromAssets() {
-        mergeDb()
-      }
-
-      override fun onError() {
-        Toast.makeText(
-          this@MergeOfflineRegionsActivity,
-          String.format("Error copying DB file."),
-          Toast.LENGTH_LONG).show()
-      }
-    }).execute(TEST_DB_FILE_NAME, FileSource.getResourcesCachePath(this))
+    FileUtils.CopyFileFromAssetsTask(this, onFileCopiedListener).execute(TEST_DB_FILE_NAME, FileSource.getResourcesCachePath(this))
   }
 
   private fun mergeDb() {
     OfflineManager.getInstance(this).mergeOfflineRegions(
-      FileSource.getResourcesCachePath(this) + "/" + TEST_DB_FILE_NAME,
-      object : OfflineManager.MergeOfflineRegionsCallback {
-        override fun onMerge(offlineRegions: Array<OfflineRegion>) {
-          mapView.getMapAsync{
-              it.setStyle(Style.Builder().fromUrl(TEST_STYLE))
-          }
-          Toast.makeText(
-            this@MergeOfflineRegionsActivity,
-            String.format("Merged %d regions.", offlineRegions.size),
-            Toast.LENGTH_LONG).show()
-        }
-
-        override fun onError(error: String) {
-          Toast.makeText(
-            this@MergeOfflineRegionsActivity,
-            String.format("Offline DB merge error."),
-            Toast.LENGTH_LONG).show()
-          Logger.e(LOG_TAG, error)
-        }
-      })
+      FileSource.getResourcesCachePath(this) + "/" + TEST_DB_FILE_NAME, onRegionMergedListener
+    )
   }
 
   override fun onStart() {
diff --git a/platform/android/MapboxGLAndroidSDKTestApp/src/main/java/com/mapbox/mapboxsdk/testapp/utils/FileUtils.kt b/platform/android/MapboxGLAndroidSDKTestApp/src/main/java/com/mapbox/mapboxsdk/testapp/utils/FileUtils.kt
index 26f2a2c56b..457ad928db 100644
--- a/platform/android/MapboxGLAndroidSDKTestApp/src/main/java/com/mapbox/mapboxsdk/testapp/utils/FileUtils.kt
+++ b/platform/android/MapboxGLAndroidSDKTestApp/src/main/java/com/mapbox/mapboxsdk/testapp/utils/FileUtils.kt
@@ -19,7 +19,7 @@ class FileUtils {
     override fun doInBackground(vararg strings: String): Boolean? {
       val assetName = strings[0]
       val destinationPath = strings[1]
-
+      
       contextWeakReference.get()?.let {
         try {
           copyAsset(it, assetName, destinationPath)
-- 
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