Android Question Change letter space in Edittext

[devmobile]

I found setLetterSpacing method for => 21 api
But when i use it,it get error
How do i do it?

 

[devmobile]

I found setLetterSpacing method for => 21 api
But when i use it,it get error
How do i do it?

I used MaskedEditText library finally.
In this library,i use place holder with space charater example 0 0 0 0 0 0

 

[devmobile]

I found it

Dim Obj1 As Reflector
    Obj1.Target = txtcode
    Obj1.RunMethod3("setLineSpacing", 1.5f, "java.lang.float", 1.5f, "java.lang.float")