android - How to listen SoftInputMethod's show/hide event? -

i try implement using broadcastreceiver in way. not work.the show/hide event never come receiver.

        filter = new intentfilter();         filter.addaction(intent.action_input_method_changed);          filter.setpriority(intentfilter.system_high_priority);         registerreceiver(receiver, filter);   

i hope nice man can me.

that's all

hope it's you.

ongloballayoutlistener mongloballayoutlistener; private void performlistenkeyboard() {     if (mongloballayoutlistener == null) {         mongloballayoutlistener = new viewtreeobserver.ongloballayoutlistener() {             @override             public void ongloballayout() {                  final int screenheight = mrootview.getrootview().getheight();                 int keyboardheight = screenheight - mrootview.getheight();                 if (keyboardheight < screenheight / 3 || !isshowkeyboard) {                     return;                 }                 // keyboard show,do                  // @ last , remove listener                 mrootview.getrootview().getviewtreeobserver().removeongloballayoutlistener(mongloballayoutlistener);             }         };     }     // register globallayoutlistener callback     mrootview.getrootview().getviewtreeobserver()             .addongloballayoutlistener(mongloballayoutlistener); }