Tag: settext

SetText in fragment from outside class

I have a fragment that displays data from APIs, but i dont want to be calling apis everytime the fragment is called.. so am making api call from a different class and and calling a method in the fragment to update UI (textViews) but am getting null exception for the textViews but data is 100% there and if i try

Why is String.valueOf faster than String Concatenation for converting an Integer to a String?

benchmarking java settext string string-concatenation

This is the converse of the problem “Why is String concatenation faster than String.valueOf for converting an Integer to a String?”. It is not a duplicate. Rather, it stems from this answer with benchmarks asserting that t.setText(String.valueOf(number)) is faster than t.setText(“”+number), and ChristianB’s question as to why that is. Answer String addition results in the compiler creating a StringBuilder instance,

Needing to double click EditText for click listener to respond

android android-edittext java onclicklistener settext

I have a section of code where I want to change the text showing in a textView when the user selects an EditText box. The problem I am having is that the textView only changes when I double click the EditText box, one click and there is no change to the textView. Is there another click listener that I should