UIAutomator2.0詳解(UIDevice篇----獲取控制元件)
阿新 • • 發佈:2018-12-30
UIDevice提供了3個獲取控制元件的方法,和一個判斷控制元件是否存在的方法。
public UiObject findObject(UiSelector selector)
public UiObject2 findObject(BySelector selector)
public List<UiObject2> findObjects(BySelector selector)
public boolean hasObject(BySelector selector)
在UIAutomator2.0中,控制元件型別有兩種,UIObject和UIObject2。而對應的傳參也有兩種,分別為UISelect和BySelector。對於四者的關係,前文( http://blog.csdn.net/daihuimaozideren/article/details/78625099)已經說過,這裡不再重複。本文僅簡單記錄一下四種方法的使用。
還是用簡單的示例來演示。核心程式碼如下:
public class UIObjectTest extends UIDeviceTest {
private String text_Text="input";
private String mPackageName="com.breakloop.test";
private String mActivityName=".MainActivity" ;
private long timeout=2000l;
@Before
public void start(){
Utils.startAPP(mDevice,mPackageName,mActivityName);
waitForAMoment();
}
private void waitForAMoment(){
mDevice.waitForWindowUpdate(mPackageName,timeout);
}
@After
public void end(){
Utils.closeAPP(mDevice,mPackageName);
waitForAMoment();
}
@Test
public void test1(){
UiObject2 uiObject2=null;
UiObject uiObject=null;
List<UiObject2> uiObject2List=null;
boolean result=false;
String input1="hello";
String input2="world";
Log.i(TAG, "start");
result=mDevice.hasObject(By.textStartsWith(text_Text));
Log.i(TAG, (result?"":"Do Not ")+"find UI start with "+text_Text);
waitForAMoment();
uiObject2=mDevice.findObject(By.textStartsWith(text_Text));
if(uiObject2!=null){
uiObject2.setText(input1);
waitForAMoment();
uiObject2.setText(text_Text);
}
waitForAMoment();
uiObject2List=mDevice.findObjects(By.textStartsWith(text_Text));
if(uiObject2List!=null){
Log.i(TAG, "find "+uiObject2List.size()+" items");
for (UiObject2 item :
uiObject2List) {
item.setText(input2);
waitForAMoment();
}
}
uiObject=mDevice.findObject(new UiSelector().textStartsWith(input2));
if(uiObject!=null){
Log.i(TAG, "find UIObject by text "+input2);
uiObject2.setText(input1);
}
waitForAMoment();
Log.i(TAG, "end");
}
}
執行效果如圖:
執行結果如下:
11-27 23:33:40.544 I/com.breakloop.u2demo.uidevice.UIObjectTest: start
11-27 23:33:40.613 I/com.breakloop.u2demo.uidevice.UIObjectTest: find UI start with input
11-27 23:33:47.611 I/com.breakloop.u2demo.uidevice.UIObjectTest: find 2 items
11-27 23:33:51.699 I/com.breakloop.u2demo.uidevice.UIObjectTest: find UIObject by text world
11-27 23:33:53.761 I/com.breakloop.u2demo.uidevice.UIObjectTest: end
需要指出的是:
(1)如果有多個符合條件的控制元件存在,findObject只返回從根目錄開始遍歷所找到的第一個控制元件物件。
(2)以txt為遍歷依據的查詢條件,對hint同樣生效。
當然,獲取控制元件的方法,取決於遍歷條件。如何用好By和UISelector則是關鍵了。