This is the way I have to show the Toast for 500 milliseconds. Though, it\'s showing more than a second.
Toast.makeText(LiveChat.this, \"Typing\
Can't do what you are asking with the standard Toasts. Perhaps you should think about integrating a 3rd party library that gives you better Toast options (named Crouton). I haven't used it myself, but people seem to like it.
You can't control the length of Toasts in the standard OS.
Crouton link: https://github.com/keyboardsurfer/Crouton