android-8~23 View.java-dispatchtouchevent Source

Android-8

/*** Pass the touch screen motion event to the target view, or this * view if it is the target. *     * @paramEvent The motion event to being dispatched. * @returnTrue If the event is handled by the view, false otherwise. */     Public Booleandispatchtouchevent (Motionevent event) {if(Montouchlistener! =NULL&& (Mviewflags & enabled_mask) = = ENABLED &&Montouchlistener.ontouch ( This, event)) {            return true; }        returnontouchevent (event); }

Android-14, Android-15, android-16, ANDROID-17, android-18, android-19, android-20

   /*** Pass the touch screen motion event to the target view, or this * view if it is the target. *     * @paramEvent The motion event to being dispatched. * @returnTrue If the event is handled by the view, false otherwise. */     Public Booleandispatchtouchevent (Motionevent event) {if(Minputeventconsistencyverifier! =NULL) {minputeventconsistencyverifier.ontouchevent (event,0); }        if(Onfiltertoucheventforsecurity (event)) {//noinspection simplifiableifstatement            if(Montouchlistener! =NULL&& (Mviewflags & enabled_mask) = = ENABLED &&Montouchlistener.ontouch ( This, event)) {                return true; }            if(Ontouchevent (event)) {return true; }        }        if(Minputeventconsistencyverifier! =NULL) {minputeventconsistencyverifier.onunhandledevent (event,0); }        return false; }

Android-21

 /*** Pass the touch screen motion event to the target view, or this * view if it is the target. *     * @paramEvent The motion event to being dispatched. * @returnTrue If the event is handled by the view, false otherwise. */     Public Booleandispatchtouchevent (Motionevent event) {Booleanresult =false; if(Minputeventconsistencyverifier! =NULL) {minputeventconsistencyverifier.ontouchevent (event,0); }        Final intactionmasked =event.getactionmasked (); if(actionmasked = =Motionevent.action_down) {            //defensive Cleanup for new gestureStopnestedscroll (); }        if(Onfiltertoucheventforsecurity (event)) {//noinspection simplifiableifstatementListenerinfo Li =Mlistenerinfo; if(Li! =NULL&& Li.montouchlistener! =NULL&& (Mviewflags & enabled_mask) = =ENABLED&& Li.mOnTouchListener.onTouch ( This, event)) {Result=true; }            if(!result &&ontouchevent (event)) {Result=true; }        }        if(!result && Minputeventconsistencyverifier! =NULL) {minputeventconsistencyverifier.onunhandledevent (event,0); }        //nested Scrolls If this is the end of a gesture; //also cancel it if we tried an action_down but we didn ' t want the rest//of the gesture.        if(actionmasked = = Motionevent.action_up | |actionmasked= = Motionevent.action_cancel | |(actionmasked= = Motionevent.action_down &&!result))        {Stopnestedscroll (); }        returnresult; }

Android-22, android-23

/*** Pass the touch screen motion event to the target view, or this * view if it is the target. *     * @paramEvent The motion event to being dispatched. * @returnTrue If the event is handled by the view, false otherwise. */     Public Booleandispatchtouchevent (Motionevent event) {//If The event should is handled by accessibility focus first.        if(Event.istargetaccessibilityfocus ()) {//We don't have a focus or no virtual descendant has it, does not handle the event.            if(!Isaccessibilityfocusedvieworhost ()) {                return false; }            //We have a focus and got the event, then use Normal event dispatch.Event.settargetaccessibilityfocus (false); }        Booleanresult =false; if(Minputeventconsistencyverifier! =NULL) {minputeventconsistencyverifier.ontouchevent (event,0); }        Final intactionmasked =event.getactionmasked (); if(actionmasked = =Motionevent.action_down) {            //defensive Cleanup for new gestureStopnestedscroll (); }        if(Onfiltertoucheventforsecurity (event)) {//noinspection simplifiableifstatementListenerinfo Li =Mlistenerinfo; if(Li! =NULL&& Li.montouchlistener! =NULL&& (Mviewflags & enabled_mask) = =ENABLED&& Li.mOnTouchListener.onTouch ( This, event)) {Result=true; }            if(!result &&ontouchevent (event)) {Result=true; }        }        if(!result && Minputeventconsistencyverifier! =NULL) {minputeventconsistencyverifier.onunhandledevent (event,0); }        //nested Scrolls If this is the end of a gesture; //also cancel it if we tried an action_down but we didn ' t want the rest//of the gesture.        if(actionmasked = = Motionevent.action_up | |actionmasked= = Motionevent.action_cancel | |(actionmasked= = Motionevent.action_down &&!result))        {Stopnestedscroll (); }        returnresult; }

android-8~23 View.java-dispatchtouchevent Source