kotlin MyCalculator - color, linear layout with orientation, align with gravity,

* what i made * point 1 - same space with margin, weight ratio 2 - have toast pop up message when the button is clicked (using onclick and user defined methods) 3 - color, string enrolling 1. constraint >> linear (google prefers constraint layout) 2. enroll the color resource folder >>> values >>> colors.xml 3. enroll the string res > values > strings.xml the real value MyCalculator_chapter7 233..

2022.06.12