tvNotice = (TextSwitcher)rootView.findViewById(R.id.tv_notice); 
 tvNotice.setFactory(new ViewSwitcher.ViewFactory() { 
  //這里 用來(lái)創(chuàng)建內(nèi)部的視圖，這里創(chuàng)建TextView，用來(lái)顯示文字 
   public View makeView() { 
    TextView tv =new TextView(getContext()); 
    //設(shè)置文字大小 
    tv.setTextSize(TypedValue.COMPLEX_UNIT_PX,getResources().getDimension(R.dimen.group_notice_font_size)); 
    //設(shè)置文字 顏色 
    tv.setTextColor(getResources().getColor(R.color.font_333333)); 
    return tv; 
   } 
  });  

// 設(shè)置切入動(dòng)畫(huà) 
tvNotice.setInAnimation(AnimationUtils.loadAnimation(getContext(), R.anim.slide_in_bottom)); 
// 設(shè)置切出動(dòng)畫(huà) 
tvNotice.setOutAnimation(AnimationUtils.loadAnimation(getContext(), R.anim.slide_out_up)); 
//items是一個(gè)字符串列表，index就是動(dòng)態(tài)的要顯示的items中的索引 
tvNotice.setText(itmes.get(index).getTitle()); 

<?xml version="1.0" encoding="utf-8"?> 
<set xmlns:android="http://schemas.android.com/apk/res/android" 
 android:fillAfter="true" 
 android:shareInterpolator="false" android:zAdjustment="top" 
 > 
 <translate 
  android:duration="1000" 
  android:fromYDelta="100%p" 
  android:toYDelta="0" /> 
</set> 

<?xml version="1.0" encoding="utf-8"?> 
<set xmlns:android="http://schemas.android.com/apk/res/android" 
 android:fillAfter="true" 
 android:shareInterpolator="false" android:zAdjustment="top" 
 > 
 <translate 
  android:duration="1000" 
  android:fromYDelta="0" 
  android:toYDelta="-100%p" /> 
</set>