UIAutomator中滚动ListView获得目标TextView控件对象的经验点滴

//Find out the new added note entry
     UiScrollable noteList = new UiScrollable( new UiSelector().scrollable(true));  //would be null if the scrollable widget's not more than one page
     UiObject note = null;

     note = noteList.getChildByText(new UiSelector().className("android.widget.TextView"), "Note1", true);  

     assertThat(note,notNullValue());
 note.longClick();

我们可以做一个增强，当判断返回的UiScrollable对象是空的时候，我们直接去当前页面查找目标控件：
//Find out the new added note entry
     UiScrollable noteList = new UiScrollable( new UiSelector().scrollable(true)); 
     UiObject note = null;
     if(noteList.exists()) {     note = noteList.getChildByText(new UiSelector().className("android.widget.TextView"), "Note1", true);       }     else {     note = new UiObject(new UiSelector().text("Note1"));     }     assertThat(note,notNullValue());          note.longClick();
另外一个个人认为更好的解决办法是，不要以“UiSelector().scrollable(true)”来初始化UiScrollable对象，而是明确的指定className为“android.widget.ListView"来初始化UiScrollable对象。实践证明这样子做的话就算ListView的内容很少不需要翻页时，也能够找到指定的当前页面的目标控件。
//Find out the new added note entry
     UiScrollable noteList = new UiScrollable( new UiSelector().className("android.widget.ListView"));  
     UiObject note = null;
     
     note = noteList.getChildByText(new UiSelector().className("android.widget.TextView"), "Note1", true);  
     assertThat(note,notNullValue());
     
     note.longClick();



 

  

   

    
 
   
   

    
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