Android gesture Operation Gesturedetector

 Packagecom.sphere.gesturetest;ImportAndroid.os.Bundle;Importandroid.app.Activity;ImportAndroid.view.GestureDetector;ImportAndroid.view.GestureDetector.OnGestureListener;ImportAndroid.view.Menu;Importandroid.view.MotionEvent;ImportAndroid.widget.Toast; Public classMainactivityextendsActivityImplementsongesturelistener{Gesturedetector Gesturedetector; Private intMin_destance = 50; @Overrideprotected voidonCreate (Bundle savedinstancestate) {Super. OnCreate (savedinstancestate);        Setcontentview (R.layout.activity_main); Gesturedetector=NewGesturedetector ( This, This); } @Override Public BooleanOncreateoptionsmenu (Menu menu) {//inflate the menu; This adds items to the action bar if it is present.getmenuinflater (). Inflate (R.menu.main, menu); return true; } @Override Public Booleanontouchevent (Motionevent event) {//Hand gesture Detection class handles touch events        returngesturedetector.ontouchevent (event); }    //triggered when the user presses@Override Public BooleanOndown (motionevent arg0) {//TODO auto-generated Method StubToast ("Press"); return false; }    //triggered when the user drags on the screen@Override Public BooleanOnfling (motionevent arg0, Motionevent arg1,floatArg2,floatArg3) {        //TODO auto-generated Method Stub        if(Arg0.getx ()-Arg1.getx () >min_destance) {Toast ("Slide Left"); }        if(Arg0.getx ()-Arg1.getx () <min_destance) {Toast ("Slide Right"); }        return false; } @Override Public voidonlongpress (motionevent arg0) {//TODO auto-generated Method StubToast ("Long Press"); } @Override Public BooleanOnscroll (motionevent arg0, Motionevent arg1,floatArg2,floatArg3) {        //TODO auto-generated Method Stub//Toast ("scrolling ....") ");        return false; }    //triggered when the user presses on the screen and has not moved and released@Override Public voidonshowpress (motionevent arg0) {//TODO auto-generated Method StubToast ("Onshowpress ....") "); }    //The user taps the event on the touchscreen to trigger@Override Public BooleanOnsingletapup (motionevent arg0) {//TODO auto-generated Method StubToast ("Onsingletapup ....") "); return false; }         Public voidToast (String text) {Toast.maketext ( This, text, Toast.length_short). Show (); }}

Android gesture Operation Gesturedetector