Added basemap app

app.py

@@ -1,6 +1,6 @@
 import streamlit as st
 from multiapp import MultiApp
-from apps import home, census, deck, housing, upload
+from apps import basemaps, home, census, deck, housing, upload
 
 st.set_page_config(layout="wide")
 
@@ -12,6 +12,7 @@ apps = MultiApp()
 apps.add_app("U.S. Real Estate", housing.app)
 apps.add_app("U.S. Census Data", census.app)
 apps.add_app("Upload Vector Data", upload.app)
+apps.add_app("Search Basemaps", basemaps.app)
 apps.add_app("Pydeck Gallery", deck.app)
 apps.add_app("Home", home.app)
 

apps/basemaps.py

@@ -0,0 +1,40 @@
+import streamlit as st
+import leafmap.foliumap as leafmap
+
+
+def app():
+    st.title("Searching Basemaps")
+    st.markdown(
+        """
+    This app is a demonstration of searching and loading basemaps from [xyzservices](https://github.com/geopandas/xyzservices) and [Quick Map Services (QMS)](https://github.com/nextgis/quickmapservices). Selecting from 1000+ basemaps with a few clicks.  
+    """
+    )
+
+    row1_col1, row1_col2, _ = st.columns([2, 1, 0.5])
+    width = 800
+    height = 600
+    tiles = None
+
+    with row1_col2:
+
+        checkbox = st.checkbox("Search Quick Map Services (QMS)")
+        keyword = st.text_input("Enter a keyword to search and press Enter:")
+        empty = st.empty()
+
+        if keyword:
+            options = leafmap.search_xyz_services(keyword=keyword)
+            if checkbox:
+                options = options + \
+                    leafmap.search_qms(keyword=keyword)
+
+            tiles = empty.multiselect(
+                "Select XYZ tiles to add to the map:", options)
+
+        with row1_col1:
+            m = leafmap.Map()
+
+            if tiles is not None:
+                for tile in tiles:
+                    m.add_xyz_service(tile)
+
+            m.to_streamlit(width, height)

apps/census.py

@@ -15,8 +15,8 @@ def app():
     else:
         st.session_state["first_index"] = 0
 
-    row1_col1, row1_col2 = st.columns([2, 1])
-    width = 950
+    row1_col1, row1_col2, _ = st.columns([2, 1, 0.5])
+    width = 800
     height = 600
 
     census_dict = leafmap.get_census_dict()