How to check if current thread is not main thread

Question

I need to check if the thread running a certain piece of code is the main (UI) thread or not. How can I achieve this?

Answer 1

Looper.myLooper() == Looper.getMainLooper() 

if this returns true, then you're on the UI thread!

Answer 2

you can use below code to know if current thread is UI/Main thread or not

if(Looper.myLooper() == Looper.getMainLooper()) {    // Current Thread is Main Thread. } 

or you can also use this

if(Looper.getMainLooper().getThread() == Thread.currentThread()) {    // Current Thread is Main Thread. } 

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