UI design #1 Code: 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)); MyPagerAdapter adapter = new MyPagerAdapter(); viewPager.setAdapter(adapter); viewPager.setCurrentItem(0); linear1.addView(viewPager); viewPager.addOnPageChangeListener(new android.support.v4.view.ViewPager.OnPageChangeListener() { public void onPageSelected(int position) { View noview = (View) viewPager.findViewWithTag("myview" + viewPager.getCurrentItem()); if (position == 0) { _a(); } if (position == 1) { _b (); } if (position == 2) { _c(); } } @Override public void onPageScrolled(int position, float positionOffset, int positionOffsetPixels) { } @Override public void onPageScrollStateChanged(int state) { } }); } private class MyPagerAdapter extends android.support.v4.view.PagerAdapter { public int ge...