Android ViewPager实现左右滑动的实例

时间:2022-07-28
本文章向大家介绍Android ViewPager实现左右滑动的实例,主要内容包括其使用实例、应用技巧、基本知识点总结和需要注意事项,具有一定的参考价值,需要的朋友可以参考一下。

Android ViewPager实现左右滑动的实例

多个标题以及标题下的每个View视图

<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" /  

在build.gradle添加包:

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

然后在代码中实现功能:

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; 
} 

以上就是实现Android ViewPager左右滑动的实例,如有疑问请留言或者到本站社区交流讨论,感谢阅读,希望能帮助到大家,谢谢大家对本站的支持!