[android] - add binding integration for Map::setLatLngbounds, add example (#8622)

1 files changed, 109 insertions, 0 deletions

diff --git a/platform/android/MapboxGLAndroidSDKTestApp/src/main/java/com/mapbox/mapboxsdk/testapp/activity/maplayout/LatLngBoundsForCameraActivity.java b/platform/android/MapboxGLAndroidSDKTestApp/src/main/java/com/mapbox/mapboxsdk/testapp/activity/maplayout/LatLngBoundsForCameraActivity.java
new file mode 100644
index 0000000000..9ac87deb0d
--- /dev/null
+++ b/platform/android/MapboxGLAndroidSDKTestApp/src/main/java/com/mapbox/mapboxsdk/testapp/activity/maplayout/LatLngBoundsForCameraActivity.java
@@ -0,0 +1,109 @@
+package com.mapbox.mapboxsdk.testapp.activity.maplayout;
+
+import android.graphics.Color;
+import android.os.Bundle;
+import android.support.v7.app.AppCompatActivity;
+import android.view.Gravity;
+import android.view.View;
+import android.widget.FrameLayout;
+
+import com.mapbox.mapboxsdk.annotations.PolygonOptions;
+import com.mapbox.mapboxsdk.geometry.LatLng;
+import com.mapbox.mapboxsdk.geometry.LatLngBounds;
+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 restricting user gestures to a bounds around Iceland.
+ */
+public class LatLngBoundsForCameraActivity extends AppCompatActivity implements OnMapReadyCallback {
+
+  private static final LatLngBounds ICELAND_BOUNDS = new LatLngBounds.Builder()
+    .include(new LatLng(66.852863, -25.985652))
+    .include(new LatLng(62.985661, -12.626277))
+    .build();
+
+  private MapView mapView;
+  private MapboxMap mapboxMap;
+
+  @Override
+  protected void onCreate(Bundle savedInstanceState) {
+    super.onCreate(savedInstanceState);
+    setContentView(R.layout.activity_restricted_bounds);
+
+    mapView = (MapView) findViewById(R.id.mapView);
+    mapView.onCreate(savedInstanceState);
+    mapView.getMapAsync(this);
+  }
+
+  @Override
+  public void onMapReady(MapboxMap mapboxMap) {
+    this.mapboxMap = mapboxMap;
+    mapboxMap.setLatLngBoundsForCameraTarget(ICELAND_BOUNDS);
+    mapboxMap.setMinZoomPreference(2);
+    showBoundsArea();
+    showCrosshair();
+  }
+
+  private void showBoundsArea() {
+    PolygonOptions boundsArea = new PolygonOptions()
+      .add(ICELAND_BOUNDS.getNorthWest())
+      .add(ICELAND_BOUNDS.getNorthEast())
+      .add(ICELAND_BOUNDS.getSouthEast())
+      .add(ICELAND_BOUNDS.getSouthWest());
+    boundsArea.alpha(0.25f);
+    boundsArea.fillColor(Color.RED);
+    mapboxMap.addPolygon(boundsArea);
+  }
+
+  private void showCrosshair() {
+    View crosshair = new View(this);
+    crosshair.setLayoutParams(new FrameLayout.LayoutParams(10, 10, Gravity.CENTER));
+    crosshair.setBackgroundColor(Color.BLUE);
+    mapView.addView(crosshair);
+  }
+
+  @Override
+  protected void onStart() {
+    super.onStart();
+    mapView.onStart();
+  }
+
+  @Override
+  protected void onResume() {
+    super.onResume();
+    mapView.onResume();
+  }
+
+  @Override
+  protected void onPause() {
+    super.onPause();
+    mapView.onPause();
+  }
+
+  @Override
+  protected void onStop() {
+    super.onStop();
+    mapView.onStop();
+  }
+
+  @Override
+  protected void onSaveInstanceState(Bundle outState) {
+    super.onSaveInstanceState(outState);
+    mapView.onSaveInstanceState(outState);
+  }
+
+  @Override
+  protected void onDestroy() {
+    super.onDestroy();
+    mapView.onDestroy();
+  }
+
+  @Override
+  public void onLowMemory() {
+    super.onLowMemory();
+    mapView.onLowMemory();
+  }
+}