Set custom map icon

dimagi · Jan 13, 2025 · d543c9b · d543c9b
1 parent 5eb9cb1
commit d543c9b
Showing 1 changed file with 34 additions and 1 deletion.
diff --git a/app/src/org/commcare/gis/EntityMapActivity.java b/app/src/org/commcare/gis/EntityMapActivity.java
@@ -1,15 +1,20 @@
 package org.commcare.gis;
 
+import static org.commcare.views.EntityView.FORM_IMAGE;
+
 import android.Manifest;
 import android.content.Intent;
 import android.content.pm.PackageManager;
+import android.graphics.Bitmap;
 import android.os.Bundle;
 import android.util.Pair;
 
 import com.google.android.gms.maps.CameraUpdateFactory;
 import com.google.android.gms.maps.GoogleMap;
 import com.google.android.gms.maps.OnMapReadyCallback;
 import com.google.android.gms.maps.SupportMapFragment;
+import com.google.android.gms.maps.model.BitmapDescriptor;
+import com.google.android.gms.maps.model.BitmapDescriptorFactory;
 import com.google.android.gms.maps.model.LatLng;
 import com.google.android.gms.maps.model.LatLngBounds;
 import com.google.android.gms.maps.model.Marker;
@@ -21,7 +26,9 @@
 import org.commcare.cases.entity.Entity;
 import org.commcare.dalvik.R;
 import org.commcare.suite.model.Detail;
+import org.commcare.suite.model.DetailField;
 import org.commcare.suite.model.EntityDatum;
+import org.commcare.utils.MediaUtil;
 import org.commcare.utils.SerializationUtil;
 import org.commcare.views.UserfacingErrorHandling;
 import org.javarosa.core.model.data.GeoPointData;
@@ -45,6 +52,9 @@ public class EntityMapActivity extends CommCareActivity implements OnMapReadyCal
 
     private GoogleMap mMap;
 
+    // keeps track of detail field index that should be used to show a custom icon
+    private int imageFieldIndex = -1;
+
     @Override
     protected void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
@@ -71,6 +81,7 @@ private void addEntityData() {
         if (selectDatum != null) {
             Detail detail = CommCareApplication.instance().getCurrentSession()
                     .getDetail(selectDatum.getShortDetail());
+            evalImageFieldIndex(detail);
             for (Entity<TreeReference> entity : EntityMapUtils.getEntities(detail, selectDatum.getNodeset())) {
                 for (int i = 0; i < detail.getHeaderForms().length; ++i) {
                     GeoPointData data = EntityMapUtils.getEntityLocation(entity, detail, i);
@@ -83,6 +94,16 @@ private void addEntityData() {
         }
     }
 
+    private void evalImageFieldIndex(Detail detail) {
+        DetailField[] fields = detail.getFields();
+        for (int i = 0; i < fields.length; i++) {
+            if (fields[i].getTemplateForm().equals(FORM_IMAGE)) {
+                imageFieldIndex = i;
+                break;
+            }
+        }
+    }
+
     @Override
     public void onMapReady(final GoogleMap map) {
         mMap = map;
@@ -94,7 +115,8 @@ public void onMapReady(final GoogleMap map) {
                 Marker marker = mMap.addMarker(new MarkerOptions()
                         .position(entityLocation.second)
                         .title(entityLocation.first.getFieldString(0))
-                        .snippet(entityLocation.first.getFieldString(1)));
+                        .snippet(entityLocation.first.getFieldString(1))
+                        .icon(getEntityIcon(entityLocation.first)));
                 markerReferences.put(marker, entityLocation.first.getElement());
                 builder.include(entityLocation.second);
             }
@@ -109,6 +131,17 @@ public void onMapReady(final GoogleMap map) {
         setMapLocationEnabled(true);
     }
 
+    private BitmapDescriptor getEntityIcon(Entity<TreeReference> entity) {
+        if (imageFieldIndex != -1) {
+            String jrUri = String.valueOf(entity.getData()[imageFieldIndex]);
+            Bitmap bitmap = MediaUtil.inflateDisplayImage(this, jrUri, 120, 120, true);
+            if (bitmap != null) {
+                return BitmapDescriptorFactory.fromBitmap(bitmap);
+            }
+        }
+        return null;
+    }
+
     @Override
     protected void onResume() {
         super.onResume();