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3) In onOptionsItemSelected, get the item and do the changes as required (icon, text, colour, background) Based on this make the changes accordingly as per your requirement. Use the example of Syed Raza Mehdi and add on the Application theme the name=actionOverflowButtonStyle parameter for compatibility.
Adding to the answer from dev_ry, there is a much smoother way without using reflection by just casting and suppressing the restricted API warning:
When to use icons with text vs.just text?
Users have been known to subjectively think an app is easier if it has icons, even when they don’t actually improve performance (see Wiedenbeck, 1999 cited above), so that’s another reason to have icons and text combined. I usually see the icon either above or left of the text label.
How to change overflow icon in action bar?
If you want to change the overflow icon in action bar Drawable drawable = ContextCompat.getDrawable (getApplicationContext (),R.drawable.change_pass); toolbar.setOverflowIcon (drawable);
How to programmatically change primary and accent color in?
The method applyStyle has to be called before the layout gets inflated! So unless you load the view manually you should apply styles to the theme before calling setContentView in your activity. Of course this cannot be used to specify an arbitrary color, i.e. one out of 16 million (256 3) colors.
How to switch monitor inputs with command line?
I have to perform the same process with ControlMyMonitor from my laptop in order to avoid manually switching as before. Activate the ControlMyMonitor shortcut to switch the monitor (or monitors, if I decided to switch both at the same time)
Is there a shortcut to switch the monitor?
Activate the ControlMyMonitor shortcut to switch the monitor (or monitors, if I decided to switch both at the same time) This is MUCH better than feeling like you have cartoonishly-large hands while fumbling around with the monitor’s soft keys!