[android] 8.2.0 QA fixes for the test appupstream/lp-8.2.0-qa-test-app

1 files changed, 17 insertions, 5 deletions

diff --git a/platform/android/MapboxGLAndroidSDKTestApp/src/main/java/com/mapbox/mapboxsdk/testapp/activity/fragment/FragmentBackStackActivity.kt b/platform/android/MapboxGLAndroidSDKTestApp/src/main/java/com/mapbox/mapboxsdk/testapp/activity/fragment/FragmentBackStackActivity.kt
index f7569e5fae..c0f93fce1f 100644
--- a/platform/android/MapboxGLAndroidSDKTestApp/src/main/java/com/mapbox/mapboxsdk/testapp/activity/fragment/FragmentBackStackActivity.kt
+++ b/platform/android/MapboxGLAndroidSDKTestApp/src/main/java/com/mapbox/mapboxsdk/testapp/activity/fragment/FragmentBackStackActivity.kt
@@ -14,18 +14,30 @@ import kotlinx.android.synthetic.main.activity_backstack_fragment.*
  */
 class FragmentBackStackActivity : AppCompatActivity() {
 
+  companion object {
+    private const val FRAGMENT_TAG = "map_fragment"
+  }
+
   private lateinit var mapFragment: SupportMapFragment
 
   override fun onCreate(savedInstanceState: Bundle?) {
     super.onCreate(savedInstanceState)
     setContentView(R.layout.activity_backstack_fragment)
 
-    mapFragment = SupportMapFragment.newInstance()
-    mapFragment.getMapAsync { initMap(it) }
+    if (savedInstanceState == null) {
+      mapFragment = SupportMapFragment.newInstance()
+      mapFragment.getMapAsync { initMap(it) }
 
-    supportFragmentManager.beginTransaction().apply {
-      add(R.id.container, mapFragment)
-    }.commit()
+      supportFragmentManager.beginTransaction().apply {
+        add(R.id.container, mapFragment, FRAGMENT_TAG)
+      }.commit()
+    } else {
+      supportFragmentManager.findFragmentByTag(FRAGMENT_TAG)?.also { fragment ->
+        if (fragment is SupportMapFragment) {
+          fragment.getMapAsync { initMap(it) }
+        }
+      }
+    }
 
     button.setOnClickListener { handleClick() }
   }