ViewPager using Sketchware

final android.support.v4.view.ViewPager viewPager = new android.support.v4.view.ViewPager(this); viewPager.setLayoutParams(new ViewGroup.LayoutParams( ViewGroup.LayoutParams.MATCH_PARENT, ViewGroup.LayoutParams.WRAP_CONTENT)); viewPager.setBackgroundColor(Color.BLACK); MyPagerAdapter adapter = new MyPagerAdapter(); viewPager.setAdapter(adapter); viewPager.setCurrentItem(0); linear1.addView(viewPager); } private class MyPagerAdapter extends android.support.v4.view.PagerAdapter { public int getCount() { return 4; } public Object instantiateItem(View collection, int position) { LayoutInflater inflater = (LayoutInflater) collection.getContext().getSystemService(Context.LAYOUT_INFLATER_SERVICE); int resId = 0; switch (position) { case 0: resId = R.layout.left; break; case 1: resId = R.layout.farleft; break; case 2: resId = R.layout.middle; break; case 3: resId = R.layout.right; break; } View view = inflater.inflate(resId, null); ((android.support.v4.view.ViewPager)collection).addView(view, 0); return view; } @Override public void destroyItem(View arg0, int arg1, Object arg2) { ((android.support.v4.view.ViewPager) arg0).removeView((View) arg2); } @Override public boolean isViewFromObject(View arg0, Object arg1) { return arg0 == ((View) arg1); } @Override public Parcelable saveState() { return null; }