1 files changed, 146 insertions, 0 deletions
diff --git a/platform/android/MapboxGLAndroidSDKTestApp/src/main/java/com/mapbox/mapboxsdk/testapp/activity/maplayout/VisibilityChangeActivity.java b/platform/android/MapboxGLAndroidSDKTestApp/src/main/java/com/mapbox/mapboxsdk/testapp/activity/maplayout/VisibilityChangeActivity.java
new file mode 100644
index 0000000000..393abb7cd4
--- /dev/null
+++ b/platform/android/MapboxGLAndroidSDKTestApp/src/main/java/com/mapbox/mapboxsdk/testapp/activity/maplayout/VisibilityChangeActivity.java
@@ -0,0 +1,146 @@
+package com.mapbox.mapboxsdk.testapp.activity.maplayout;
+
+import android.os.Bundle;
+import android.os.Handler;
+import android.support.v7.app.AppCompatActivity;
+import android.view.View;
+
+import com.mapbox.mapboxsdk.camera.CameraUpdateFactory;
+import com.mapbox.mapboxsdk.geometry.LatLng;
+import com.mapbox.mapboxsdk.maps.MapView;
+import com.mapbox.mapboxsdk.maps.MapboxMap;
+import com.mapbox.mapboxsdk.maps.OnMapReadyCallback;
+import com.mapbox.mapboxsdk.testapp.R;
+
+/**
+ * Test activity showcasing visibility changes to the mapview.
+ */
+public class VisibilityChangeActivity extends AppCompatActivity {
+
+  private MapView mapView;
+  private MapboxMap mapboxMap;
+  private Handler handler = new Handler();
+  private Runnable runnable;
+
+  @Override
+  protected void onCreate(Bundle savedInstanceState) {
+    super.onCreate(savedInstanceState);
+    setContentView(R.layout.activity_map_visibility);
+
+    mapView = (MapView) findViewById(R.id.mapView);
+    mapView.onCreate(savedInstanceState);
+    mapView.getMapAsync(new OnMapReadyCallback() {
+      @Override
+      public void onMapReady(MapboxMap map) {
+        mapboxMap = map;
+        mapboxMap.animateCamera(CameraUpdateFactory.newLatLngZoom(
+          new LatLng(55.754020, 37.620948), 12), 9000);
+      }
+    });
+  }
+
+  @Override
+  protected void onStart() {
+    super.onStart();
+    mapView.onStart();
+    handler.post(runnable = new VisibilityRunner(mapView, findViewById(R.id.viewParent), handler));
+  }
+
+  @Override
+  protected void onResume() {
+    super.onResume();
+    mapView.onResume();
+  }
+
+  private static class VisibilityRunner implements Runnable {
+
+    private MapView mapView;
+    private View viewParent;
+    private Handler handler;
+    private int currentStep;
+
+    VisibilityRunner(MapView mapView, View viewParent, Handler handler) {
+      this.mapView = mapView;
+      this.viewParent = viewParent;
+      this.handler = handler;
+    }
+
+    @Override
+    public void run() {
+      if (isViewHiearchyReady()) {
+        if (isEvenStep()) {
+          viewParent.setVisibility(View.VISIBLE);
+          mapView.setVisibility(View.VISIBLE);
+        } else if (isFirstOrThirdStep()) {
+          mapView.setVisibility(getVisibilityForStep());
+        } else if (isFifthOrSeventhStep()) {
+          viewParent.setVisibility(getVisibilityForStep());
+        }
+        updateStep();
+      }
+      handler.postDelayed(this, 1500);
+    }
+
+    private void updateStep() {
+      if (currentStep == 7) {
+        currentStep = 0;
+      } else {
+        currentStep++;
+      }
+    }
+
+    private int getVisibilityForStep() {
+      return (currentStep == 1 || currentStep == 5) ? View.GONE : View.INVISIBLE;
+    }
+
+    private boolean isFifthOrSeventhStep() {
+      return currentStep == 5 || currentStep == 7;
+    }
+
+    private boolean isFirstOrThirdStep() {
+      return currentStep == 1 || currentStep == 3;
+    }
+
+    private boolean isEvenStep() {
+      return currentStep == 0 || currentStep % 2 == 0;
+    }
+
+    private boolean isViewHiearchyReady() {
+      return mapView != null && viewParent != null;
+    }
+  }
+
+  @Override
+  protected void onPause() {
+    super.onPause();
+    mapView.onPause();
+  }
+
+  @Override
+  protected void onStop() {
+    super.onStop();
+    if (runnable != null) {
+      handler.removeCallbacks(runnable);
+      runnable = null;
+    }
+    mapView.onStop();
+  }
+
+  @Override
+  public void onLowMemory() {
+    super.onLowMemory();
+    mapView.onLowMemory();
+  }
+
+  @Override
+  protected void onDestroy() {
+    super.onDestroy();
+    mapView.onDestroy();
+  }
+
+  @Override
+  protected void onSaveInstanceState(Bundle outState) {
+    super.onSaveInstanceState(outState);
+    mapView.onSaveInstanceState(outState);
+  }
+}