Android's Listening home button

It is used, so write it down, lest you forget it later.

1  Public classHomelistenerextendsBroadcastreceiver {2     Private Static FinalString Log_tag = "Homereceiver";3     Private Static FinalString System_dialog_reason_key = "REASON";4     Private Static FinalString System_dialog_reason_recent_apps = "Recentapps";5     Private Static FinalString System_dialog_reason_home_key = "HomeKey";6     Private Static FinalString System_dialog_reason_lock = "LOCK";7     Private Static FinalString system_dialog_reason_assist = "ASSIST";8 9 @OverrideTen      Public voidOnReceive (Context context, Intent Intent) { OneString action =intent.getaction (); ALOG.I (Log_tag, "onreceive:action:" +action); -         if(Action.equals (intent.action_close_system_dialogs)) { -             //Android.intent.action.CLOSE_SYSTEM_DIALOGS theString reason =Intent.getstringextra (system_dialog_reason_key); -LOG.I (Log_tag, "Reason:" +reason); -  -             if(System_dialog_reason_home_key.equals (REASON)) { +                 //Press the home key briefly -LOG.I (Log_tag, "HomeKey"); +  A             } at             Else if(System_dialog_reason_recent_apps.equals (REASON)) { -                 //Press and hold the home button or the activity toggle key -LOG.I (Log_tag, "long press home key or activity switch"); -  -             } -             Else if(System_dialog_reason_lock.equals (REASON)) { in                 //Lock Screen -LOG.I (Log_tag, "lock"); to             } +             Else if(System_dialog_reason_assist.equals (REASON)) { -                 //Samsung Long Press the home button theLOG.I (Log_tag, "assist"); *             } $ Panax Notoginseng         } -     } the}

Then start the position in the program, register the broadcast

1 New Homelistener (); 2  Final New Intentfilter (intent.action_close_system_dialogs); 3        this. Registerreceiver (Mhomekeyreceiver, Homefilter);

Android's Listening home button