Creating a custom keyboard for Android

[nesquena]

Guide on developing a custom keyboard. References:

• http://code.tutsplus.com/tutorials/create-a-custom-keyboard-on-android--cms-22615
• https://www.youtube.com/watch?v=7nsa7BuoWhU
• http://inducesmile.com/android/how-to-create-an-android-custom-keyboard-application/
• http://www.sourcecodester.com/android/7697/custom-keyboard-app-android.html
• http://stackoverflow.com/questions/9577304/how-to-make-a-android-custom-keyboard