您的位置:首页 > 移动开发 > Android开发

Android ViewPager实现左右滑动的实例

2017-08-30 14:52 316 查看

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!

您可能感兴趣的文章:

内容来自用户分享和网络整理,不保证内容的准确性,如有侵权内容,可联系管理员处理 点击这里给我发消息
标签:  滑动 Android ViewPager