1 files changed, 71 insertions, 0 deletions
diff --git a/platform/android/MapboxGLAndroidSDKTestApp/src/main/java/com/mapbox/mapboxsdk/testapp/activity/fragment/ViewPagerActivity.kt b/platform/android/MapboxGLAndroidSDKTestApp/src/main/java/com/mapbox/mapboxsdk/testapp/activity/fragment/ViewPagerActivity.kt
new file mode 100644
index 0000000000..8312661ebd
--- /dev/null
+++ b/platform/android/MapboxGLAndroidSDKTestApp/src/main/java/com/mapbox/mapboxsdk/testapp/activity/fragment/ViewPagerActivity.kt
@@ -0,0 +1,71 @@
+package com.mapbox.mapboxsdk.testapp.activity.fragment
+
+import android.os.Bundle
+import android.support.v4.app.Fragment
+import android.support.v4.app.FragmentManager
+import android.support.v4.app.FragmentStatePagerAdapter
+import android.support.v7.app.AppCompatActivity
+import com.mapbox.mapboxsdk.camera.CameraPosition
+import com.mapbox.mapboxsdk.geometry.LatLng
+import com.mapbox.mapboxsdk.maps.MapboxMapOptions
+import com.mapbox.mapboxsdk.maps.Style
+import com.mapbox.mapboxsdk.maps.SupportMapFragment
+import com.mapbox.mapboxsdk.testapp.R
+import kotlinx.android.synthetic.main.activity_viewpager.*
+
+/**
+ * Test activity showcasing using the Android SDK ViewPager API to show MapFragments.
+ */
+class ViewPagerActivity : AppCompatActivity() {
+
+  override fun onCreate(savedInstanceState: Bundle?) {
+    super.onCreate(savedInstanceState)
+    setContentView(R.layout.activity_viewpager)
+    viewPager.adapter = MapFragmentAdapter(supportFragmentManager)
+  }
+
+  override fun onRestoreInstanceState(savedInstanceState: Bundle) {
+    super.onRestoreInstanceState(savedInstanceState)
+    val currentPosition = viewPager!!.currentItem
+    for (i in 0 until FRAGMENT_COUNT) {
+      if (Math.abs(i - currentPosition) <= 1) {
+        viewPager.adapter?.instantiateItem(viewPager, 0)
+        break
+      }
+    }
+  }
+
+  internal class MapFragmentAdapter(fragmentManager: FragmentManager) : FragmentStatePagerAdapter(fragmentManager) {
+
+    override fun getCount(): Int {
+      return FRAGMENT_COUNT
+    }
+
+    override fun getItem(position: Int): Fragment {
+      return when (position) {
+        0 -> createFragment(Style.MAPBOX_STREETS, LatLng(34.920526, 102.634774))
+        1 -> createFragment(Style.DARK, LatLng(62.326440, 92.764913))
+        2 -> createFragment(Style.SATELLITE, LatLng(-25.007786, 133.623852))
+        3 -> createFragment(Style.LIGHT, LatLng(-19.922070, -43.939676))
+        4 -> createFragment(Style.OUTDOORS, LatLng(46.881020, 9.098098))
+        else -> createFragment(Style.TRAFFIC_DAY, LatLng(40.722517, -74.000029))
+      }
+    }
+
+    private fun createFragment(@Style.StyleUrl style: String, latLng: LatLng): Fragment {
+      val options = MapboxMapOptions().camera(CameraPosition.Builder().target(latLng).zoom(3.0).build())
+      val fragment = SupportMapFragment.newInstance(options)
+      fragment.getMapAsync { mapboxMap -> mapboxMap.setStyle(style) }
+      return fragment
+    }
+
+    override fun getPageTitle(position: Int): CharSequence? {
+      return "Page $position"
+    }
+  }
+
+  companion object {
+    const val FRAGMENT_COUNT = 6
+  }
+}
+