How Do I Change The Background Color Of Default Keyboard Used In An App?

So the app I am making requires a darker keyboard to be used (or else the contrast between content and keyboard is far too high), so I need to change what keyboard appears when I i

Solution 1:

If you want a keyboard with a specific look and feel in your app you need to include it in the app. Your app can say which keyboard variant it wants to appear (qwerty, numpad, etc...) but appart from that it cannot change the keyboard.

There are literally dozens of keyboards to chose from. I suggest that you don't design you app to require a very specific looking keyboard, instead design your app to look good under all circumstances.

Solution 2:

Here is a sample for your reference http://tutorials-android.blogspot.com/2011/06/create-your-own-custom-keyboard-for.html