How to run a Runnable thread in Android?...

 final ProgressDialog progressDialog = 

ProgressDialog.show(InboxActivity.this, "","Loading...", true, true); 

Handler handler=new Handler();
Runnable r=new Runnable()
{
    public void run() 
    {
       your method here();

          progressDialog.dismiss(); 
       
    }
};
handler.postDelayed(r, 1000);