This example overrides only one method, ondraw(), but you might need to override others as you create your own custom components. for this sample, overriding the ondraw() method allows us to paint the blue lines on the edittext view canvas (the canvas is passed into the overridden ondraw() method).. A user interface element for entering and modifying text. when you define an edit text widget, you must specify the r.styleable.textview_inputtype attribute. for example, for plain text input set inputtype to "text":. Override ondraw() the most important step in drawing a custom view is to override the ondraw() method. the parameter to ondraw() is a canvas object that the view can use to draw itself. the canvas class defines methods for drawing text, lines, bitmaps, and many other graphics primitives..
In xml, if you use just specify imageview, textview, edittext like that, on layout inflation, if you use support library, the framework inflates appcompatimageview, appcompattextview, appcompatedittext respectively (which contains custom implementations to backport lollipop features to pre-lollipop).. How to change text field underline & cursor color in android studio | developing an app | english - duration: 9:47. abhishek panwar 12,783 views. I am just learning drawing custom view and it is an awesome tutorial.i am having a bit of difficulty in understanding the logic implemented in getxpos and getypos. i couldn’t grasp what is going on those logic. i do understand how path works in android and i know the logic of plotting path with x,y values..