package com.com.mr_wrong.PageIndicator; import android.os.Bundle; import android.support.v4.app.FragmentActivity; import android.support.v4.app.FragmentPagerAdapter; import android.support.v4.view.ViewPager; import com.example.mr_wrong.androidstudioproject.R; public class IndicatorMainActivity extends FragmentActivity { private TabPageIndicator mIndicator ; private ViewPager mViewPager ; private FragmentPagerAdapter mAdapter ; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.indicator_main); mIndicator = (TabPageIndicator) findViewById(R.id.id_indicator); mViewPager = (ViewPager) findViewById(R.id.id_pager); mAdapter = new TabAdapter(getSupportFragmentManager()); mViewPager.setAdapter(mAdapter); mIndicator.setViewPager(mViewPager, 0); } }