Problem while devloping a app

[Parth_Doshi]

I have some problem with making a app in MIT app Inventor which converts normal language to a different encrypted language.I have finished coding the logic but I don't know how to implement it. It does not work with button so which block should I use to implement the logic

[Parth_Doshi]

Please Reply asap

[Juan_Antonio]

Use list, dictionary,...

Chars exchanges. Dictionary. Json to csv. Transliteration

Hello friends, here are some examples of character swapping. cambio_chars.aia (14.4 KB) [diccionario6] In this study we will find enfants terribles, these are characters that do not want to be with their companions in string or in dictionaries. [caracteresspecial] we will also find different forms of quotation marks: [quotationmark] 1.- In the first example we will swap these characters: [letras22] we will use pairs list created from a string: a,z\nb,y\nc,x\nd,w\ne,v\nf,u\ng,t\nh,s…