This JNI example is so cool!

https://github.com/mozilla/firefox-for-android-addons/blob/355f9a01464a0794c1084e8fdbab92c58503f49a/snippets/jni.js

I was trying to take a screenshot as per this stackoverflow topic:

http://stackoverflow.com/a/31346510/5062337
If you want to take a screenshot from your own program you can get the main View and make it draw itself into a Bitmap and save it (this way the system bars will not be present on the image).

Would you be able to help me out, Im learning JNI. As soon as I do I'll update MDN, that's what I did with WinAPI, COM, GTK, GDK, etc: https://developer.mozilla.org/en-US/docs/Mozilla/js-ctypes/Standard_OS_Libraries

I help out lots of people on Stackoverflow and irc so you helping me would not be just a one to one. It will be one to many :)

I implemented an add-on for fennec, and as recommended, using the native-ui-boilerplate from
https://github.com/mozilla/firefox-for-android-addons

I realized with this code, the add-on menu entry disappeared after restarting Firefox for Android.

I grew some grey hairs assuming the problem must be in my own code, because the template must be correct...
In a nutshell, I discovered in bootstrap.js, the domWindow variable initialization has been removed last year from the onOpenWindow handler in line 66, therefore causing all calls to domWindow methods fail:
45c8521

Now I wonder if this line has been removed because of some API deprecation or "dirty" internals and what a "clean" fix should be like, maybe just something like this?
let domWindow = aWindow.QueryInterface(Ci.nsIInterfaceRequestor).getInterface(Ci.nsIDOMWindow);

NOTE: also filed this on bugzilla hoping it will prevent someone else from running into the same time-consuming trap.

Hi,

Need a help. I wanted to know if its possible to implement a firefox add-on which shows a button whenever it sees a particular text in the loaded webpage. For eg: say, showing a call button whenever it sees any number.
I tried searching across the APIs but could get any straightforward approach.
Please let me know if there are any such existing sample code or add-ons I can refer to or the API I can investigate to start with the implementation.

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