Appium测试安卓Launcher以滑动窗体获得目标应用

所谓Launcher,指的是安卓的桌面管理程序,所有的应用图标都放在launcher上面。其实这是一个很简单的例子,只是为了验证几点想法而已。

1.实验目的

做这个试验的目的有二

  • 尝试下窗体滑动函数swipe的使用
  • 好奇究竟能不能正常的对安卓的Launcher进行指定package和activity进行测试

2.实验背景

过程是打算使用appium来启动launcher,然后滑动窗口去获取在第三个桌面的sdk自带应用”Notes“。如下图所示

3. 试验步骤

3.1 获得launcher的package和activity两个capabilities

可以通过HierarchyViewer直接查看获得

3.2 编码实现

package majcit.com.AppiumDemo;

import io.appium.java_client.android.AndroidDriver;

import java.net.URL;
import org.junit.Test;
import org.junit.After;
import org.junit.Before;
import org.openqa.selenium.Dimension;
import org.openqa.selenium.NoSuchElementException;
import org.openqa.selenium.Point;
import org.openqa.selenium.WebElement;
import org.openqa.selenium.remote.DesiredCapabilities;

import static org.hamcrest.Matchers.*;
import static org.hamcrest.MatcherAssert.assertThat;

/**
 * Unit test for simple App.
 */
public class LauncherTest {
    /**
     * Create the test case
     *
     * @param testName name of the test case
     */
	private AndroidDriver driver;

    @Before
    public void setUp() throws Exception {
        // set up appium
        //File classpathRoot = new File(System.getProperty("user.dir"));
        //File appDir = new File(classpathRoot, "apps");
        //File app = new File(appDir, "NotePad.apk");
        DesiredCapabilities capabilities = new DesiredCapabilities();
        capabilities.setCapability("deviceName","Android");
        //capabilities.setCapability("platformVersion", "4.2");
        //capabilities.setCapability("platformName", "Android");
        //capabilities.setCapability("app", app.getAbsolutePath());
        capabilities.setCapability("appPackage", "com.miui.home");
        capabilities.setCapability("appActivity", "com.miui.home.launcher.Launcher");
        //capabilities.setCapability("appActivity", ".NotesList");
        //capabilities.setCapability("autoLaunch", "false");
        //capabilities.setCapability("noReset", true);
        driver = new AndroidDriver(new URL("http://127.0.0.1:4723/wd/hub"), capabilities);
    } 

    @After
    public void tearDown() throws Exception {
        driver.quit();
    }
    
    @Test
    public void launchNotePad() throws InterruptedException{
    	
    	WebElement el = null;
    	WebElement screen = null;
    	Point point = null;
    	Dimension size = null;
    	
    	boolean found = false;
    	int pageCount = 3; //Assume that there are totally 3 screens to be swiped.
    	
    	int xStart = -1;
    	int yStart = -1;
    	int xEnd = -1;
    	int yEnd = -1;
    	
    	//Get the start and end coordinates for swipe
    	Thread.sleep(3000);
    	screen = driver.findElementById("com.miui.home:id/cell_layout");
    	point = screen.getLocation();
    	size = screen.getSize();
    	xEnd = point.getX();
    	yEnd = point.getY() + size.getHeight()/2;
    	xStart = point.getX() + size.getWidth() - 5;
    	yStart = yEnd;
    	
    	System.out.println("starX:" + xStart +"\nstartY:" + yStart + "\nendX:" + xEnd + "\nendY:" + yEnd);
    	
    	//本来想通过判断屏幕上的几个小圆点来判断究竟有多少个屏幕的,但发觉xPath根本不起效,父目录感觉根本起不了定位作用,只有最后的//android.widget.ImageView起效,所以一下找出75个元素。
    	/*
    	List<WebElement> pageImages = driver.findElementsByXPath("//android.view.View/android.widget.LinearLayout/android.widget.ImageView");
    	assertThat(pageImages.size(),is(3));
    	for (WebElement e: pageImages) {
    		e.click();
    	}
    	*/
    	
    	//Swipe all screens till get the expected control
    	int currentPage = 0; 	
    	while (found == false && currentPage < pageCount) {
    		found = true;
    		
    		currentPage += 1;
    		
    		try {
        		el = driver.findElementByName("Notes");
        	}catch (NoSuchElementException e) {
        		found = false;
        		System.out.println(e);
        	}
    		
    		if (found == true)
    			break;
    		
    		driver.swipe(xStart, yStart, xEnd, yEnd, 100);
        	Thread.sleep(1000);
    	}
    	
    	assertThat(found,is(true));
    	assertThat(el,notNullValue());
    	
        el.click();
        
        
        
    }
    
}
步骤说明大概如下:
  • 准备好必须的capabilities传送给appium服务器端,注意指定app,因为我们不需要重新安装Launcher
  • 找到代表整个屏幕的控件,然后通过获取它的location和size属性来计算出滑动开始和结束的坐标。注意开始的坐标如果是屏幕的边界,需要调整下像素(例子中是减去5个像素)以防出错。
  • 通过滑动遍历每个页面直到找到目标控件为止。



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