Android ViewPager实现左右滑动的实例

<com.shizhefei.view.indicator.ScrollIndicatorView    android:id="@+id/moretab_indicator"    android:layout_width="match_parent"    android:layout_height="45dp" />  <View    android:layout_width="match_parent"    android:layout_height="0.5dp"    android:background="#f2f2f2"    />  <android.support.v4.view.ViewPager    android:id="@+id/moretab_viewPager"    android:layout_width="match_parent"    android:layout_height="match_parent" /> 

//左右滑动布局框架  compile 'com.shizhefei:ViewPagerIndicator:1.1.4' 

ScrollIndicatorView scrollIndicatorView;   ViewPager viewPager;   private String[] titles = {"在线申办", "信用卡代换", "信用卡取现", "办卡进度"};   private IndicatorViewPager indicatorViewPager;   private LayoutInflater inflate;   private Context mContext;     private void initViewPager() { //    默认字体是14     float unSelectSize = 14; //    滑动字体是14*1.2f     float selectSize = unSelectSize;     scrollIndicatorView.setOnTransitionListener(new OnTransitionTextListener().setColor(0xFF1DA9FF, Color.GRAY).setSize(selectSize, unSelectSize));     scrollIndicatorView.setScrollBar(new ColorBar(mContext, 0xFF1DA9FF, 2));      viewPager.setOffscreenPageLimit(1);     indicatorViewPager = new IndicatorViewPager(scrollIndicatorView, viewPager);     inflate = LayoutInflater.from(mContext);     indicatorViewPager.setAdapter(new MyAdapter(getFragmentManager()));   }    private int size = titles.length;     private class MyAdapter extends IndicatorViewPager.IndicatorFragmentPagerAdapter {      public MyAdapter(FragmentManager fragmentManager) {       super(fragmentManager);     }       @Override     public int getCount() {       return size;     }      @Override     public View getViewForTab(int position, View convertView, ViewGroup container) {       if (convertView == null) {         convertView = inflate.inflate(R.layout.tab_top, container, false);       }       TextView textView = (TextView) convertView;       textView.setText(titles[position % titles.length]);       int padding = dipToPix(10);       textView.setPadding(padding, 0, padding, 0);       return convertView;     }      @Override     public Fragment getFragmentForPage(int position) {       CreditCardFragment fragment = new CreditCardFragment();       /* Bundle bundle = new Bundle();       bundle.putInt(MoreFragment.INTENT_INT_INDEX, position);       fragment.setArguments(bundle);*/       return fragment;  //      MoreFragment fragment = new MoreFragment(); //      Bundle bundle = new Bundle(); //      bundle.putInt(MoreFragment.INTENT_INT_INDEX, position); //      fragment.setArguments(bundle); //      return fragment;     }      @Override     public int getItemPosition(Object object) {       //这是ViewPager适配器的特点,有两个值 POSITION_NONE，POSITION_UNCHANGED，默认就是POSITION_UNCHANGED,       // 表示数据没变化不用更新.notifyDataChange的时候重新调用getViewForPage       return PagerAdapter.POSITION_NONE;     }    }    private int dipToPix(float dip) {     int size = (int) TypedValue.applyDimension(TypedValue.COMPLEX_UNIT_DIP, dip, getResources().getDisplayMetrics());     return size;   }