I'm creating an Android Mobile app that contains a map, Quickblox does exactly what I want. The problem is that it uses Map View, which is deprecated. Can someone please show me how to uses Map Fragment or Support Map fragment on quick blox.
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I want to Dispaly Current Location Of Device on Map With center of Map.How can I so this without using dependency service In Xamarin.Forms ??
You did not specify which Map component you are using, so I assume you are using Xamarin Forms Maps.
If I understand your question correctly, there is a IsShowingUser property of the Map element that should provide the functionality that you are looking for.
https://developer.xamarin.com/api/property/Xamarin.Forms.Maps.Map.IsShowingUser/
1、I want to create a circle and set an image that customized to fill the circle，use this as a marker on the map, not only could change the image but also the color of circle anytime，what can I do to implements this function? Please look at the picture below!
2、Like your CityMaps app show，when I enlarge the map, some business icon that hide are show on the map，which are hide again while shrink the map, How to achieve this effect？
3、After I initialization the Object Marker and called the method marker.setFadeTime(3000)，the software give my tips the method is no exist and I see the class Marker.java but really not find the method，Why is it so？
4、I want to add some stars beside the marker like this:
What can I do to add the stars？the label only can set the text beside the marker.
5、I want to load your maps at the fragment，not the activity that extends FragmentActivity，I found the SupportCitymapsMapFragment is no use，What I can do to complete this requirement?
6、In your apps，it is locate that place after input New York in the search box，What can i do to complete this function whatever i input？
7、During I develop the apps about the Citymaps，I found a serious problem so that your apps had happend too. When I run the apps， the program force flash back all of a sudden and I run your apps Citymaps at this time，the problems are same of the front，I found some error in logical view that is follows：15327-15374/com.map.maplbs A/libc﹕ Fatal signal 11 (SIGSEGV) at 0xdeadbaad (code=1), thread 15374 (Thread-1819).
To solve the problem，I must restart my device. Why is it so？
I am a developer on the Citymaps SDK, I will do my best to answer your questions.
1) I recommend using the Android Canvas API to construct the images, and then use a Marker to display it on the map. See the documentation for details: http://developer.citymaps.com/markers
2) This is built into the Citymaps BusinessLayer. This functionality is not exposed through an API. If you wish to use the Citymaps BusinessLayer, you should create a CitymapsMapView or CitymapsMapFragment/SupportCitymapsMapFragment and it will automatically be added to your map.
3) At this time, there appears to be a known issue with the fadeTime API. Thank you for bringing this to our attention. We will fix it in an upcoming release. For now, you can animate the alpha property of the Marker.
4) Once again, the functionality of the BusinessLayer is not directly exposed. If you wish to create similar markers, I recommend you construct the image using Android's Canvas and then adding it as a Marker to the map.
5) If you wish to load the map inside of a fragment, you can accomplish this using child fragments (check Android documentation for more details). You can also accomplish this by instantiating CitymapsMapView or MapView directly and adding it to your view hierarchy either in XML or in code. However if you do this, remember to call the lifecycle methods on your map instance, or else the map will not behave properly.
6) If you wish to have a search in your app, it is up to you to implement this feature. We do not currently provide a search API out of the box.
7) Thank you for the bug report. We will investigate this issue and fix it in a future release.
If you have any more questions, feel free to ask, and thank you for using the Citymaps SDK.
I had found this post on the site for adding UIImage to the MKMapView but this is in the objective-c. can any body help how can we use it on the monotouch by c# ?
https://stackoverflow.com/a/6554418
I recommand you to view this screencast from Xamarin about "Developing iOS Map Applications with C#".
It doesn't cover the custom MKOverlayView drawing part because it's exactly as creating a custom view and overriding it's drawing routine.
But it does explain you how and why you have to endup here..
Basically, you have to
create a custom MKImageOverlay object (subclassing MKOverlay)
create a custom MKImageOverlayView object (subclassing MKOverlayView) that will handle the actual image drawing methods (like any view drawing overriding using CoreGraphics)
add your custom MKImageOverlay to the map with MKMapView.addOverlay() method
provide a MKMapViewDelegate to the map that will handle your custom MKImageOverlay by overriding GetViewForOverlay and returning your custom MKImageOverlayView
You could look at this SO post here too : MonoTouch Mapkit image overlay
Cheers
I'm a newbie in Android development.
I have Eclipse with ADT (sdk version: 17 , Android 4.2).
I don't understand what is the difference between:
DEFINING a View (via visual editor provided by ADT or directly in the XML layout file corresponding to the current activity)
and
INSTANTIATING a View (PASSING THE CONTEXT AS PARAMETER) such as: TextView tv = new TextView(getContext()); (taken from : What is 'Context' on Android? , first asnwer)
and
INSTANTIATING a View (WITHOUT PASSING THE CONTEXT AS PARAMETER) such as: TextView tv = new TextView();
Thank in advance for any advice.
Kind regards
To use your terminology:
When DEFINING a View in XML (or the ADT editor - which just creates the XML for you), it still needs to be inflated by a layout inflater. A layout inflater will INSTANTIATE the View(s) for you. This can be done behind the scenes - such as when you call Activity.setContentView(), or directly using View.inflate(). The inflater effectively just runs through the XML and instantiates all of the Views it contains.
When INSTANTIATING a View, you're giving it the Context so it has a reference to resources - so it can load images, strings, dimensions etc - plus other Android related functionality (which you can probably ignore for now).
You can't INSTANTIATE a View without the context.
if you use the Google Plus App on Android and switch to the Stream, you get a view where you can swipe to the left and right between the All circles/Incoming/Nearby-Stream. What view component is used for this? Is this a standard Android component? Or where can I find democode how i can build such a view component?
You should take a look at the ViewPager from Android Compatibility Package for the desired widget/swipe navigation. Find more about it here
http://developer.android.com/sdk/compatibility-library.html
Also, checkout this recently posted tutorial and some sample code on ViewPager by Richard:
http://geekyouup.blogspot.com/2011/07/viewpager-example-from-paug.html
It is a combination of a ViewPager together with an indicator for where you are currently and where you can go swiping left and right.
A sample of how this can be done along with code you can use in your own apps may for example be found here. I've played with this code a little and it works pretty well.
None of the default widgets/views. I guess, it's some kind of a custom view with swipe functionality.
Honeycomb opens up a few new widgets which seem to have these functionality. Have a look here.
http://developer.android.com/sdk/android-3.0.html (New Widgets)
I used APKTool to take a look at what's going on. Hopefully it is okay to post this here. This is from version 1.0.2 of the G+ APK.
removed google+ app code as per CommonsWare's suggestion
So, it looks like they're using standard views, though perhaps with a good deal of gesture detection and smooth animation magic.
EDIT) If you really want to know about the exact inner-workings of what is going on in the Stream activity, I suggest you use APKTool yourself and examine the .smali code