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Android ViewPager实现左右滑动的实例

2019年07月24日  | 移动技术网IT编程  | 我要评论

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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!

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