Allow current location option like in webapp

app/src/main/java/org/refugerestrooms/views/AddBathroomClient.java

@@ -4,24 +4,49 @@
  * Created by Refuge Restrooms on 7/14/2015.
  */
 
+import android.Manifest;
+import android.app.Activity;
+import android.content.Context;
+import android.content.pm.PackageManager;
+import android.location.Address;
+import android.location.Geocoder;
+import android.location.Location;
+import android.support.v4.app.ActivityCompat;
+import android.support.v4.content.ContextCompat;
+import android.util.Log;
 import android.view.View;
+import android.webkit.JavascriptInterface;
 import android.webkit.WebSettings;
 import android.webkit.WebView;
 import android.webkit.WebViewClient;
 
 import java.io.IOException;
 import java.net.HttpURLConnection;
 import java.net.URL;
+import java.util.List;
+import java.util.Locale;
 
 public class AddBathroomClient extends WebViewClient {
     private String currentUrl;
+    private Context context;
+    private WebView view;
+    private Location mCurrentLocation;
 
     public AddBathroomClient() {
         super();
     }
 
-    public AddBathroomClient(String currentUrl) {
+//    public AddBathroomClient(String currentUrl) {
+//        this.currentUrl = currentUrl;
+//    }
+
+    // Markus: why are you using view here but WebView everywhere else in the code?
+    public AddBathroomClient(String currentUrl, Context context, WebView view, Location mCurrentLocation) {
         this.currentUrl = currentUrl;
+        this.context = context;
+        this.view = view;
+        this.mCurrentLocation = mCurrentLocation;
+        this.view.addJavascriptInterface(new JavaScriptInterface(context, this), "AndroidInterface");
     }
 
     /**
@@ -33,14 +58,14 @@ private boolean hasInternetConnection() {
         try {
             // Test internet connection
             HttpURLConnection urlConnection = (HttpURLConnection)
-                (new URL("http://clients3.google.com/generate_204")
-                .openConnection());
+                    (new URL("http://clients3.google.com/generate_204")
+                            .openConnection());
             urlConnection.setRequestProperty("User-Agent", "Android");
             urlConnection.setRequestProperty("Connection", "close");
             urlConnection.setConnectTimeout(1500);
             urlConnection.connect();
             if (urlConnection.getResponseCode() == 204 &&
-                urlConnection.getContentLength() == 0) {
+                    urlConnection.getContentLength() == 0) {
                 // Successfully connected to the internet.
                 return true;
             } else {
@@ -50,7 +75,7 @@ private boolean hasInternetConnection() {
             // No internet connection detected, or an error has been encountered.
             return false;
         }
-            
+
     }
 
     @Override
@@ -71,8 +96,6 @@ saying that the bathroom was submitted successfully (only navigation away from p
             //TODO Add no connection detected page to display here.
             return false;
         }*/
-
-
         // view.getSettings().setCacheMode(WebSettings.LOAD_NO_CACHE);
         if (url.equals(currentUrl)) {
             view.loadUrl(url);
@@ -83,23 +106,95 @@ saying that the bathroom was submitted successfully (only navigation away from p
 
     @Override
     public void onPageFinished(final WebView view, String url) {
+        if (ContextCompat.checkSelfPermission(context, Manifest.permission.ACCESS_FINE_LOCATION) != PackageManager.PERMISSION_GRANTED &&
+                ContextCompat.checkSelfPermission(context, Manifest.permission.ACCESS_COARSE_LOCATION) != PackageManager.PERMISSION_GRANTED) {
+            ActivityCompat.requestPermissions((Activity) context, new String[]{Manifest.permission.ACCESS_FINE_LOCATION, Manifest.permission.ACCESS_COARSE_LOCATION}, 1);
+        }
+
         // Removes header, footer -- areas where people can navigate away from the add a bathroom page
-        view.loadUrl("javascript:(function() { " +
+        view.evaluateJavascript("javascript:(function() { " +
                 "document.getElementsByTagName('header')[0].style.display='none'; " +
                 "document.getElementsByTagName('footer')[0].style.display='none';" +
                 "document.body.style.marginLeft=\"5%\";" +
                 "document.body.style.marginRight=\"5%\";" +
                 "document.body.style.backgroundColor=\"#e9e9e9\";" +
                 "document.body.style.color=\"#8377AF\";" +
-                "document.getElementsByTagName('h5')[0].style.display='none';" +
-                "document.getElementsByClassName('guess-btn')[0].style.display='none';" +
-                "})()");
+                "document.getElementByID('restroom_street')[0].style.display='none';" +
+                "document.getElementByID('restroom_street')[0].style.display='none';" +
+                "document.getElementByID('restroom_city')[0].style.display='none';" +
+                "document.getElementByID('restroom_state')[0].style.display='none';" +
+                "})()", null);
+
+
+        // Add the function to the button
+        view.evaluateJavascript("javascript:(function() { " +
+                "var button = document.getElementsByClassName('guess-btn')[0];" +
+                "if (button) { console.log('Button found'); } else { console.log('Button not found'); }" +
+                "button.onclick = function(event) {" +
+                "   event.preventDefault();" + // Prevent the default behavior of the button
+                "   AndroidInterface.getLocationAddress(" + mCurrentLocation.getLatitude() + ", " + mCurrentLocation.getLongitude() + ");" +
+                "};" +
+                "})()", null);
+
         // Time Delay to prevent display showing before javascript finishes
         view.postDelayed(new Runnable() {
             public void run() {
                 view.setVisibility(View.VISIBLE);
             }
         }, 50);
+    }
+
 
+
+    /**
+     * Gets the location address from latitude and longitude and updates the input fields
+     * in the WebView with the address information.
+     *
+     * @param latitude  The latitude of the location.
+     * @param longitude The longitude of the location.
+     */
+    public void getLocationAddress(double latitude, double longitude) {
+        try {
+            Geocoder geocoder = new Geocoder(context, Locale.getDefault());
+            List<Address> addresses = geocoder.getFromLocation(latitude, longitude, 1);
+            if (addresses != null && !addresses.isEmpty()) {
+                final String address = addresses.get(0).getAddressLine(0);
+                final String[] addressParts = address.split(",");
+
+                // Print the address to the WebView
+                view.post(new Runnable() {
+                    @Override
+                    public void run() {
+                        view.evaluateJavascript("javascript:(function() { " +
+                                "var inputElement = document.getElementById('restroom_street');" +
+                                "if (inputElement) {" +
+                                "    inputElement.value = '" + addressParts[0] + "';" +
+                                "} else {" +
+                                "    console.log('Input element with ID \\'restroom_street\\' not found.');" +
+                                "}" +
+                                "var inputElement = document.getElementById('restroom_city');" +
+                                "if (inputElement) {" +
+                                "    inputElement.value = '" + addressParts[1] + "';" +
+                                "} else {" +
+                                "    console.log('Input element with ID \\'restroom_city\\' not found.');" +
+                                "}" +
+                                "var inputElement = document.getElementById('restroom_state');" +
+                                "if (inputElement) {" +
+                                "    inputElement.value = '" + addressParts[2] + "';" +
+                                "} else {" +
+                                "    console.log('Input element with ID \\'restroom_state\\' not found.');" +
+                                "}" +
+                                "})()", null);
+                    }
+                });
+            }
+        } catch (IOException e) {
+            e.printStackTrace();
+        }
     }
+
+
 }
+
+
+

app/src/main/java/org/refugerestrooms/views/AddBathroomFragment.java

@@ -5,6 +5,7 @@
  * Created by Refuge Restrooms on 7/14/2015.
  */
 
+import android.location.Location;
 import android.os.Bundle;
 import android.support.v4.app.Fragment;
 import android.view.LayoutInflater;
@@ -19,6 +20,7 @@ public class AddBathroomFragment extends Fragment {
     private WebView mWebView;
     private Bundle mWebViewBundle;
     private String editParams;
+    private Location mCurrentLocation;
 
     @Override
     public void onCreate(Bundle savedInstanceState) {
@@ -39,7 +41,7 @@ public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle sa
         View rootView = inflater.inflate(R.layout.fragment_add_bathroom, container, false);
         mWebView = (WebView) rootView.findViewById(R.id.addBathroom);
         mWebView.getSettings().setJavaScriptEnabled(true);
-        mWebView.setWebViewClient(new AddBathroomClient("https://www.refugerestrooms.org/restrooms/new?" + editParams));
+        mWebView.setWebViewClient(new AddBathroomClient("https://www.refugerestrooms.org/restrooms/new?" + editParams, getContext(), mWebView, mCurrentLocation));
 
         // If possible, restore the WebView state - otherwise load the new restroom page
         if (mWebViewBundle != null) {
@@ -66,4 +68,8 @@ public void setEditId(String editId) {
         this.editParams = editId != null ? "edit_id=" + editId + "&id=" + editId : "";
         mWebViewBundle = null;
     }
+
+    public void setmCurrentLocation(Location location) {
+        this.mCurrentLocation = location;
+    }
 }

app/src/main/java/org/refugerestrooms/views/JavaScriptInterface.java

@@ -0,0 +1,19 @@
+package org.refugerestrooms.views;
+
+import android.content.Context;
+import android.webkit.JavascriptInterface;
+
+public class JavaScriptInterface {
+    private Context mContext;
+    private AddBathroomClient mAddBathroomClient;
+
+    public JavaScriptInterface(Context context, AddBathroomClient addBathroomClient) {
+        mContext = context;
+        mAddBathroomClient = addBathroomClient;
+    }
+
+    @JavascriptInterface
+    public void getLocationAddress(double latitude, double longitude) {
+        mAddBathroomClient.getLocationAddress(latitude, longitude);
+    }
+}

app/src/main/java/org/refugerestrooms/views/MainActivity.java

@@ -884,6 +884,8 @@ public void onLocationChanged(Location location) {
                 mEditor.putLong("current_lon", Double.doubleToRawLongBits(mCurrentLocation.getLongitude()));
                 mEditor.commit();
             }
+
+            addBathroomFragment.setmCurrentLocation(this.mCurrentLocation);
         }
     }