Analysis of view internal code in Android

General ResearchSource codeThey all start with Q &.

1. What is the difference between the lateral mclick and callonclick of the View class?

/*** Call this view's onclicklistener, if it is defined. performs all normal * actions associated with clicking: Reporting accessibility event, playing * a sound, etc. ** @ return true there was an assigned onclicklistener that was called, false * otherwise is returned. */Public Boolean merge mclick () {sendaccessibilityevent (accessibilityevent. type_view_clicked); listenerinfo li = mlistenerinfo; If (Li! = NULL & Li. monclicklistener! = NULL) {playsoundeffect (soundeffectconstants. click); Li. monclicklistener. onclick (this); Return true;} return false;}/*** directly call any attached onclicklistener. unlike {@ link # Your mclick ()}, * This only callthe listener, and does not do any associated clicking * actions like reporting an accessibility event. ** @ return true there was an assigned onclicklistener that was called, false * Otherwise is returned. */Public Boolean callonclick () {listenerinfo li = mlistenerinfo; If (Li! = NULL & Li. monclicklistener! = NULL) {Li. monclicklistener. onclick (this); Return true;} return false ;}