overlay

I have the following code to add an Overlay myMapView.getOverlays().add(sites); myMapView.invalidate(); I also have the following remove code where sites is a global variable. if (sites != null) { // myMapView.getOverlays().clear(); myMapView.getOverlays().remove(sites); myMapView.invalidate(); sites = null; } Sometimes I am left with duplicates so would like a way to remove all overlays from a map, is this possible? Looks like I did have the answer all along! myMapView.getOverlays().clear() 来源： https://stackoverflow.com/questions/3696415/remove-all-overlays

I have plotted a Seaborn JointPlot from a set of "observed counts vs concentration" which are stored in a pandas DataFrame . I would like to overlay (on the same set of axes) a marginal (ie: univariate distribution) of the "expected counts" for each concentration on top of the existing marginal, so that the difference can be easily compared. This graph is very similar to what I want, although it will have different axes and only two datasets: Here is an example of how my data is laid out and related: df_observed x axis--> log2(concentration): 1,1,1,2,3,3,3 (zero-counts have been omitted) y

Closed . This question needs to be more focused. It is not currently accepting answers. Learn more . Want to improve this question? Update the question so it focuses on one problem only by editing this post . There is an interesting application called Twilight which appears to simply draw over all applications with a reddish filter to remove blue light during nighttime hours (presumably to help sleep). I'm interested in doing something similar, but not necessarily for sleep purposes. I'd like to draw text or a watermark over everything on the phone. How can I do this (draw an Activity or

I'm trying to make a modal dialog in the least amount of jQuery code as possible because my project already has a bit too much jQuery loaded into it. So, I first needed an overlay, which is achieved with: $('body').wrapInner('<div />') .css('opacity','0.5') .css('z-index','2') .attr('id','dim1'); Disregard for now that I have another routine to kill the click events on #dim1 while this modal is present. So, now I need to draw my modal dialog on top: $('body').append('<div id="test">My Test</div>'); $('#test') .css('opacity','1.0') .css('position','fixed') .css('color','#000') .css('z-index',

For an app I'm building, I have a custom "old map" effect PNG that I'd like to overlay on the MKMapView view. Unfortunately, neither way I've tried to do this is exactly right: Add a subview to the MKMapView (issue: the UIImageView for the PNG gets placed above the Annotation pins, which looks weird Make the image an annotation view itself and place it below the other ones (issue: on scroll, I have to move the annotation view image, and for a while there's just the regular map instead of the old-timey-effect). What I basically want to accomplish is having a subview that is layered above the

How is it possible to add Views/Images to my homescreen? The best example is the facebook messenger: If you long-click at a chat item, you can choose "pop out cheat head", then you have a small button overlaying your screen. There are also apps like screen-breakers, an image from a broken display overlays everything from the phone. I've searched for it, but I have no idea what it is called. I hope you guys are able to understand my english. Answer is SYSTEM_ALERT_WINDOW, this give you capability to draw over any thing in android, same feature facebook is using for drawing its chat heads. http:

in the following UI I have this below drabable overlaying the entire screen. The LinearLayout is transparent and allows controls below it to be clickable or touchable. Basically I can scroll a list below this LinearLayout as well as click controls. How do I disable that? See attached example. Thank you <RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android" android:id="@+id/rlExtNavbar" android:orientation="vertical" android:layout_width="match_parent" android:layout_height="match_parent" android:gravity="fill_vertical" android:layout_gravity="fill_vertical" android