Update app.py

app.py

@@ -1,62 +1,25 @@
-import streamlit as st
-import pandas as pd
-import random
-import numpy as np
-
-
-def build_dataframe(rows_count=100):
-    """
-    Creates columns with random data.
-    """
-    data = {
-        'impressions': np.random.randint(low=111, high=10000, size=rows_count),
-        'clicks': np.random.randint(low=0, high=1000, size=rows_count),
-        'customer': random.choices(['ShirtsInc', 'ShoesCom'], k=rows_count)
-    }
-
-    df = pd.DataFrame(data)
-    # add a date column and calculate the weekday of each row
-    df['date'] = pd.date_range(start='1/1/2018', periods=rows_count)
-
-    return df
-
-
-data_df = build_dataframe()
 
-query_params = st.experimental_get_query_params()
-# There is only one value for each parameter, retrieve the one at # # index 0
-username = query_params.get('username', None)[0]
-password = query_params.get('password', None)[0]
-view = query_params.get('view', None)[0]
-
-# Super basic (and not recommended) way to store the credentials
-# Just for illustrative purposes!
-credentials = {
-    'ShoesCom': 'shoespassword',
-    'ShirtsInc': 'shirtspassword'
-}
-
-logged_in = False
-
-# Check that the username exists in the "database" and that the provided password matches
-if username in credentials and credentials[username] == password:
-    logged_in = True
-
-if not logged_in:
-    # If credentials are invalid show a message and stop rendering the webapp
-    st.warning('Invalid credentials')
-    st.stop()
-
-available_views = ['report']
-if view not in available_views:
-    # I don't know which view do you want. Beat it.
-    st.warning('404 Error')
-    st.stop()
-# The username exists and the password matches!
-# Also, the required view exists
-# Show the webapp
-
-st.title('Streamlit routing dashboard')
+import streamlit as st
 
-# IMPORTANT: show only the data of the logged in customer
-st.dataframe(data_df[data_df['customer'] == username])
+def query_params():
+    st.write("""
+    # Introducing Query Params
+    We have added to our experimental namespace the ability to get and set
+    query parameters. With these query params, you can bookmark or share your app
+    in various states. Thanks [@zhaoooyue](https://github.com/zhaoooyue) for the
+    contribution!
+    """)
+    with st.echo("below"):
+        radio_list = ['Eat', 'Sleep', 'Both']
+        query_params = st.experimental_get_query_params()
+
+        # Query parameters are returned as a list to support multiselect.
+        # Get the first item in the list if the query parameter exists.
+        default = int(query_params["activity"][0]) if "activity" in query_params else 0
+        activity = st.radio(
+            "What are you doing at home during quarantine?",
+            radio_list,
+            index = default
+        )
+        if activity:
+            st.experimental_set_query_params(activity=radio_list.index(activity))