viewpager禁用左右滑動和去掉中間的切換頁面
專案中,老闆要求viewpager不能左右滑動,和去掉中間的切換頁面(就是當點選最後一個item的時候中間的頁面也會一閃而過)
這是禁用左右滑動
mViewPager = (NoScrollViewPager) serviceView.findViewById(R.id.vp_service);
mViewPager.setNoScroll(true);//true是禁止滑動,false是不禁用
mViewPager.setAdapter(mPagerAdapter);
這是對應的類
public class NoScrollViewPager extends ViewPager {
private boolean noScroll = false;
public NoScrollViewPager(Context context, AttributeSet attrs) {
super(context, attrs);
// TODO Auto-generated constructor stub
}
public NoScrollViewPager(Context context) {
super(context);
}
public void setNoScroll(boolean noScroll) {
this.noScroll = noScroll; }
@Override
public void scrollTo(int x, int y) {
super.scrollTo(x, y);
}
@Override
public boolean onTouchEvent(MotionEvent arg0) {
/* return false;//super.onTouchEvent(arg0); */
if (noScroll)
return false;
else
return super.onTouchEvent(arg0);
}
@Override
public boolean onInterceptTouchEvent(MotionEvent arg0) {
if (noScroll)
return false;
else
return super.onInterceptTouchEvent(arg0);
}
@Override
public void setCurrentItem(int item, boolean smoothScroll) {
super.setCurrentItem(item, smoothScroll);
}
@Override
public void setCurrentItem(int item) {
super.setCurrentItem(item);
}
}
這是去掉中間頁面的切換,把他的時間間隔設為0就可以了
viewPager=(ViewPager) findViewById(R.id.main_viewPager);
ViewPagerScroller scroller = new ViewPagerScroller(this);
scroller.setScrollDuration(0);
scroller.initViewPagerScroll(viewPager);
這是對應的類
public class ViewPagerScroller extends Scroller {
private int mScrollDuration = 0; // 滑動速度搜索
/**
* 設定速度速度
* @param duration
*/
public void setScrollDuration(int duration){
this.mScrollDuration = duration;
}
public ViewPagerScroller(Context context) {
super(context);
}
public ViewPagerScroller(Context context, Interpolator interpolator) {
super(context, interpolator);
}
@SuppressLint("NewApi")
public ViewPagerScroller(Context context, Interpolator interpolator, boolean flywheel) {
super(context, interpolator, flywheel);
}
@Override
public void startScroll(int startX, int startY, int dx, int dy, int duration) {
super.startScroll(startX, startY, dx, dy, mScrollDuration);
}
@Override
public void startScroll(int startX, int startY, int dx, int dy) {
super.startScroll(startX, startY, dx, dy, mScrollDuration);
}
public void initViewPagerScroll(ViewPager viewPager) {
try {
Field mScroller = ViewPager.class.getDeclaredField("mScroller");
mScroller.setAccessible(true);
mScroller.set(viewPager, this);
} catch(Exception e) {
e.printStackTrace();
}
}
}