AndroidStudio study notes-09Toast toast prompt box

Toast is a message box

Toast is a very good way of prompting, you can use it to notify users of some short messages, these messages will disappear automatically after a period of time, and will not take up any screen space.

Toast.makeText(activity , "HelloWorld!", Toast.LENGTH_LONG).show(); 

Toast has a queue, and multiple toasts are displayed in order.

Remember, you must call show to display