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--- intents:google_maps [2016/05/06 17:36]
administrator created
+++ intents:google_maps [2018/12/30 13:30] (current)
@@ Line 1: / Line 1: @@
 ====== Google Maps ======
-This is the base information on calling Google maps intents.
+This is the base information on using intents to call the Google Maps app.
 [[https://developers.google.com/maps/documentation/android-api/intents]]
 ===== Basic Map =====
-This is intent draws a map with the centre of the map at the location provided by latitude and longitude.
+This intent call the Google Maps app to draw a map with its centre at the location provided by latitude and longitude.
 <code JavaScript simpleMap.js>
+function OnStart()
+{
+    var lat="51.5117";
+    var lng="-0.1275";
+    simpleMap(lat,lng);
+}
+function simpleMap(latitude,longitude)
+{
+    var packageName = "com.google.android.apps.maps";
+    var className = null;
+    var action = "android.intent.action.VIEW";
+    var uri =  "geo:"+latitude+","+longitude;
+    if(app.IsAppInstalled( packageName ))
+      app.SendIntent( packageName, className, action,null,uri );
+    else
+    {
+    app.Alert("maps app not installed");
+    app.OpenUrl("market://details?id="+packageName);
+    }
+}
+</code>
+===== Turn by Turn Navigation =====
+This function could be used instead of simpleMap above to start navigating towards the destination.
+<code JavaScript navigate.js>
+function navigateTo(latitude,longitude)
+{
+    var packageName = "com.google.android.apps.maps";
+    var className = null;
+    var action = "android.intent.action.VIEW";
+    var uri =  "google.navigation:q="+latitude+","+longitude;
+    if(app.IsAppInstalled( packageName ))
+      app.SendIntent( packageName, className, action,null,uri );
+    else
+      app.Alert("maps app not installed");
+}
 </code>

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