import android.support.v4.app.Fragment; import android.support.v4.app.FragmentManager; import android.support.v4.app.FragmentPagerAdapter; public class MyPagerAdapter extends FragmentPagerAdapter { private static final int NUM_PAGES = 3; public MyPagerAdapter(FragmentManager fragmentManager) { super(fragmentManager); } @Override public Fragment getItem(int position) { switch (position) { case 0: return new FragmentA(); case 1: return new FragmentB(); case 2: return new FragmentC(); default: return null; } } @Override public int getCount() { return NUM_PAGES; } } groovy dependencies { implementation 'com.android.support:support-v4:28.0.0' }


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