简述 也可以有一组嵌套的 switch 语句。 语句的一般形式如下所示− switch(expression) { case expression #1: statement #1 ... case expression #2: statement #2 ... case expression ...
#include <iostream> using namespace std; int main () { // local variable declaration: int a = 100; int b = 200; switch(a) { case 100: cout << "This is part of outer switch" << endl; switch(b) { case 200: cout << "This is part of inner switch" << endl; } } cout <...
getAction(); switch (action) { case MotionEvent.ACTION_DOWN: downX = (int) e.getRawX(); downY = (int) e.getRawY(); break; case MotionEvent.ACTION_MOVE: int moveY = (int) e.getRawY(); if (Math.abs(moveY - downY) > mTouchSlop) { return true; } } return super.onIntercept...
直接返回 true ,在在处理if(dispatchOnItemTouch(e)){cancelTouch();returntrue;}if(mLayout==null){returnfalse;}if(mVelocityTracker==null){mVelocityTracker=VelocityTracker.obtain();}boolean eventAddedToVelocityTracker=false;---switch(action){caseMotionEvent.ACTION_DOWN:{mScrollPointerId=e.getPointerId(0...
();}publicclassTouchableWrapperextendsFrameLayout{publicTouchableWrapper(Context context){super(context);}@OverridepublicbooleandispatchTouchEvent(MotionEvent event){switch(event.getAction()){caseMotionEvent.ACTION_DOWN:mListener.onTouch();break;caseMotionEvent.ACTION_UP:mListener.onTouch();break;default:}...
switch(expression) { case expression #1: statement #1 ... case expression #2: statement #2 ... case expression #N: statement #N ... default: statement #Default ... } Use of Nested Switch Statements for IntegersFollowing is an example of the nested switch statement −...
(na->nla_len); switch (na->nla_type) { case DEMO_CMD_ATTR_MESG: /* 接收到内核字符串回显 */ string = (char *) NLA_DATA(na); printf("echo reply:%s\n", string); break; case DEMO_CMD_ATTR_DATA: /* 接收到内核数据回显 */ data = *(int *) NLA_DATA(na); printf("echo ...
[1]);switch(action){caseMotionEvent.ACTION_DOWN:{mScrollPointerId=e.getPointerId(0);mInitialTouchX=mLastTouchX=(int)(e.getX()+0.5f);mInitialTouchY=mLastTouchY=(int)(e.getY()+0.5f);int nestedScrollAxis=ViewCompat.SCROLL_AXIS_NONE;if(canScrollHorizontally){nestedScrollAxis|=ViewCompat....
since it that case javascript declares a variable in the global scope rather than the nested one. If we want to keep it consistent, we could declare the new variable in the root scope but it will always be an opinionated decision while explicitly using $parent would remove ambiguities. Probab...
switch (event.type){ case "touchstart": startX = event.touches[0].pageX; startY = event.touches[0].pageY; break; case "touchend": var spanX = event.changedTouches[0].pageX - startX; var spanY = event.changedTouches[0].pageY - startY; ...