Macaca Android Java TestNG

package client;

import com.alibaba.fastjson.JSONObject;
import macaca.client.MacacaClient;
import macaca.client.commands.Element;
import macaca.client.common.GetElementWay;
import org.testng.Assert;
import org.testng.annotations.*;
import universal.jdbc.ConnectionUtil;
import universal.jdbc.JdbcHelper;

import java.io.File;
import java.io.IOException;
import java.util.List;

public class AndroidSampleTest {
    MacacaClient driver = new MacacaClient();
    // set screenshot save path
    File directory = new File("");
    public String courseFile = directory.getCanonicalPath();
    private String mobile = "12345678900";
    public double windowWidth;
    public double windowLeight;

    public AndroidSampleTest() throws IOException {
    }

    @Parameters({"port","udid"})
    @BeforeClass
    public void setUp(@Optional("4729") String port, @Optional("emulator-5554") String udid) throws Exception {
        String platform = "android";
        JSONObject porps = new JSONObject();
        porps.put("platformName", platform);
        porps.put("app", System.getProperty("user.dir")+"/app/" + Const.ANDROID_APP_NAME_nHUB);
        porps.put("udid", udid);
        porps.put("reuse", 1);
        porps.put("autoAcceptAlerts",true);
        JSONObject desiredCapabilities = new JSONObject();
        desiredCapabilities.put("host", "127.0.0.1"); // custom server  host
        desiredCapabilities.put("port", Integer.parseInt(port)); // custom server  port
        desiredCapabilities.put("desiredCapabilities", porps);
        driver = driver.initDriver(desiredCapabilities);
        driver.waitElementTimeout = 10000;
        JSONObject jsonObject = driver.getWindowSize();
        System.out.println(jsonObject);
        windowWidth = Double.parseDouble(jsonObject.get("width").toString());
        windowLeight = Double.parseDouble(jsonObject.get("height").toString());

    }

    @Test
    public void testCaseOne() throws Exception {
        System.out.println("------------#1 login test-------------------");

        customFront();
        customFront();
        customFront();

        driver.waitForElement(GetElementWay.XPATH, "//*[@resource-id='com.:id/next']").click();
        driver.waitForElement(GetElementWay.XPATH, "//*[@resource-id='com.:id/etMobile']").sendKeys(mobile);
        driver.waitForElement(GetElementWay.XPATH,"//*[@text='Next']").click();
        driver.keys(getSMSCodeByDataBase(mobile));
        driver.waitForElement(GetElementWay.XPATH,"//*[@resource-id='com.:id/reLayout']").click();
        driver.waitForElement(GetElementWay.XPATH,"//*[@resource-id='com.:id/postFeed']").click();
        driver.waitForElement(GetElementWay.XPATH,"//*[@resource-id='com.:id/etMsg']").sendKeys("Fresh Fun Green Great");
        driver.waitForElement(GetElementWay.XPATH,"//*[@resource-id='com.:id/titleComplete']").click();
        String postContent = driver.waitForElement(GetElementWay.ID,"com.:id/expandable_text").getText();
        Assert.assertEquals(postContent,"Fresh Fun Green Great");
        
    }

    public void customFront() {
        try {
            Element e = driver.waitForElement(GetElementWay.XPATH,"//*[@resource-id='com.:id/vp_video']");
            driver.drag(windowWidth-20, windowLeight/2, 20, windowLeight/2, 0.1);
        } catch (Exception e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
        }
    }

    public void customBack() {
        try {
            Element e = driver.waitForElement(GetElementWay.XPATH,"//*[@resource-id='com.:id/vp_video']");
            System.out.println(e.getCenterX() + ":" + e.getCenterY());
            System.out.println("-------" + e.getRect() + "-------");
            driver.drag(20, windowLeight/2, windowWidth-20, windowLeight/2, 0.1);
        } catch (Exception e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
        }
    }

    public String getSMSCodeByDataBase(String mobile) {
        ConnectionUtil.setDataBaseName("testDB");
        String sql = "SELECT * FROM testTable" +
                " WHERE account = " + "'" +
                mobile + "'" +
                " AND" +
                " accountType = 'MOBILE'" +
                " ORDER BY createTime DESC" +
                " LIMIT 0,1;";
        System.out.println(sql);
        List codeList = JdbcHelper.query(sql,"vCode");
        System.out.println((String) codeList.get(0));
        return (String) codeList.get(0);
    }

    @AfterClass
    public void tearDown() throws Exception {
        driver.waitForElement(GetElementWay.XPATH,"//*[@resource-id='com.:id/recyclerView']/android.widget.LinearLayout[1]/android.widget.RelativeLayout[1]/android.widget.TextView[1]").click();
        driver.waitForElement(GetElementWay.XPATH,"//*[@text='Delete Feed']").click();
        driver.quit();
    }
}