如何在VerticalViewPager中实现堆栈转换，这是我的代码，我已经实现了带有堆栈转换的VerticalViewPager，但问题是它逐渐消失，我想在刷页面时删除淡出。
public class VerticalViewPager extends Activity {
private static final float MIN_SCALE = 0.75f;
PagerAdapter adapter;
private static final float MIN_ALPHA = 0.75f;
private boolean a;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.verticalviewpager);
final fr.castorflex.android.verticalviewpager.VerticalViewPager verticalViewPager = (fr.castorflex.android.verticalviewpager.VerticalViewPager) findViewById(R.id.verticalviewpager);
adapter = new MyCustomAdapter(VerticalViewPager.this, SplashScreen.newsidArray, SplashScreen.newsdescArray, SplashScreen.newstitleArray,
SplashScreen.newsimageArray, SplashScreen.newsdateArray, SplashScreen.newsauthorArray, SplashScreen.newsurlArray);
verticalViewPager.setOffscreenPageLimit(1);
verticalViewPager.setAdapter(adapter);
verticalViewPager.setPageTransformer(false, new PageTransformer() {
@Override
public void transformPage(View view, float position) {
int pageWidth = view.getWidth();
int pageHeight = view.getHeight();
if (position < -1) { // [-Infinity,-1)
// This page is way off-screen to the left.
view.setAlpha(0);
} else if (position <= 0) { // [-1,0]
view.setAlpha(1);
} else if (position <= 1) { // (0,1]
// Fade the page out.
view.setAlpha(1F-position);
view.setTranslationY((int) ((float) (pageHeight) * -position));
} else { // (1,+Infinity]
// This page is way off-screen to the right.
view.setAlpha(0);
}
}
});
verticalViewPager.setOnPageChangeListener(new ViewPager.OnPageChangeListener() {
public void onPageScrollStateChanged(int state) {
}
public void onPageScrolled(int position, float positionOffset, int positionOffsetPixels) {
int page = verticalViewPager.getCurrentItem();
Log.e("page",String.valueOf(page));
if((page+1)== MyCustomAdapter.nodata){
// Toast.makeText(VerticalViewPager.this,"No News Available To Swipeup",500).show();
final Toast toast = Toast.makeText(getApplicationContext(), "No News Available To Swipeup", Toast.LENGTH_SHORT);
toast.show();
Handler handler = new Handler();
handler.postDelayed(new Runnable() {
@Override
public void run() {
toast.cancel();
}
}, 500);
}
}
public void onPageSelected(int position) {
SplashScreen.myCustomPosition = position;
}
});
}
}