Writing to the UI with MonoDroid using RunOnUIThread
I've been pulling my hair out over the past day or so trying to
update the UI in my test app. I was having problem after problem. I
finally got down to my base problem. I could not write out to my
TextView. WTF could be causing that? I can write to my UI in other
parts of my app. This is pure craziness. I thought long and hard and
nothing was coming to me. Wait, the light bulb went on. I am in the
wrong thread. Great, how do I write in the correct thread? MonoDroid
supports the entire AsyncTask set of objects, but this seemed like
overkill. I was reading and came across
RunOnUIThread().......Bing..........The lightbulb has been invented...BlueStar Airlines (oh wait, wrong context). Anyway, here is what I needed:
this.RunOnUiThread(() => TextViewControl.Text = "Hello World");
Enjoy!!!!!!!
Remember kiddies, running on the main ui for off device operations is
bad, not as bad as crossing the streams bad, but bad as in trying to
drive on a flat tire bad. It won't kill you, but it does keep you from
getting anywhere.