android.support.v4.view.ViewPager#OnPageChangeListener ( )源码实例Demo

/**
 * Set a separate OnPageChangeListener for internal use by the support library.
 *
 * @param listener Listener to set
 * @return The old listener that was set, if any.
 */
ViewPager.OnPageChangeListener setInternalPageChangeListener(
        ViewPager.OnPageChangeListener listener) {
    ViewPager.OnPageChangeListener oldListener = mInternalPageChangeListener;
    mInternalPageChangeListener = listener;
    return oldListener;
}
 

@Override
public void setOnPageChangeListener(ViewPager.OnPageChangeListener listener) {
    mListener = listener;
}
 

@Override
public void setOnPageChangeListener(ViewPager.OnPageChangeListener listener) {
    mListener = listener;
}
 

public void addOnPageChangeListener(ViewPager.OnPageChangeListener listener) {
    if (mOnPageChangeListeners == null) {
        mOnPageChangeListeners = new ArrayList<>();
    }
    mOnPageChangeListeners.add(listener);
}
 

public void setOnPageChangeListener(ViewPager.OnPageChangeListener onPageChangeListener) {
    this.onPageChangeListener = onPageChangeListener;
}
 

public void removeOnPageChangeListener(ViewPager.OnPageChangeListener listener) {
    if (listener != this.listener)
        pager.removeOnPageChangeListener(listener);
}
 

@Override
public void setOnPageChangeListener(ViewPager.OnPageChangeListener listener) {
    mListener = listener;
}
 

@Override
public void setOnPageChangeListener(ViewPager.OnPageChangeListener onPageChangeListener) {
    mListener = onPageChangeListener;
}
 

@Override
public void setOnPageChangeListener(ViewPager.OnPageChangeListener listener) {
    mListener = listener;
}
 

@Override
public void setOnPageChangeListener(ViewPager.OnPageChangeListener listener) {
    mListener = listener;
}
 

@Override
public void setOnPageChangeListener(ViewPager.OnPageChangeListener listener) {
    mListener = listener;
}
 

@Override
public void setOnPageChangeListener(ViewPager.OnPageChangeListener listener) {
    mListener = listener;
}
 

public void setOnPageChangeListener(ViewPager.OnPageChangeListener onPageChangeListener) {
    mViewPager.setOnPageChangeListener(onPageChangeListener);
}
 

/**
 * Set the {@link android.support.v4.view.ViewPager.OnPageChangeListener}. When using {@link org.goodev.droidddle.widget.SlidingTabLayout} you are
 * required to set any {@link android.support.v4.view.ViewPager.OnPageChangeListener} through this method. This is so
 * that the layout can update it's scroll position correctly.
 *
 * @see android.support.v4.view.ViewPager#setOnPageChangeListener(android.support.v4.view.ViewPager.OnPageChangeListener)
 */
public void setOnPageChangeListener(ViewPager.OnPageChangeListener listener) {
    mViewPagerPageChangeListener = listener;
}
 

/**
 * Set a listener that will be invoked whenever the page changes or is incrementally
 * scrolled. See {@link android.support.v4.view.ViewPager.OnPageChangeListener}.
 *
 * @param listener Listener to set
 */
public void setOnPageChangeListener(ViewPager.OnPageChangeListener listener) {
	mOnPageChangeListener = listener;
}
 

/**
 * Set a separate OnPageChangeListener for internal use by the support library.
 *
 * @param listener Listener to set
 * @return The old listener that was set, if any.
 */
ViewPager.OnPageChangeListener setInternalPageChangeListener(ViewPager.OnPageChangeListener listener) {
	ViewPager.OnPageChangeListener oldListener = mInternalPageChangeListener;
	mInternalPageChangeListener = listener;
	return oldListener;
}
 

/**
 * Set a page change listener which will receive forwarded events.
 *
 * @param listener
 */
void setOnPageChangeListener(ViewPager.OnPageChangeListener listener);
 

/**
 * Set a page change listener which will receive forwarded events.
 * 
 * @param listener
 */
public void setOnPageChangeListener(ViewPager.OnPageChangeListener listener);
 

/**
 * Set a page change listener which will receive forwarded events.
 *
 * @param listener
 */
void setOnPageChangeListener(ViewPager.OnPageChangeListener listener);
 

/**
 * Remove a listener that was previously added via
 * {@link #addOnPageChangeListener(ViewPager.OnPageChangeListener)}.
 *
 * @param listener listener to remove
 */
public void removeOnPageChangeListener(ViewPager.OnPageChangeListener listener) {
    if (mOnPageChangeListeners != null) {
        mOnPageChangeListeners.remove(listener);
    }
}