java.net.ConnectException:未能连接到/10.0.2.2:443

我正在开发一款需要用户身份验证的android应用程序。我正在为服务器和数据库连接使用localhost phpadmin。到目前为止，该应用程序有1个登录活动，用于导入一个php url以连接到localhost。如果一切正常，应用程序应该显示一个alertDialog，说明登录成功。但是，每当我尝试运行应用程序时，当我单击“登录”时，它会显示一个空的alertDialog，AndroidStudio调试器会显示以下错误：

java.net.ConnectException:无法连接到/10.0.2.2:443

这是MainActivity的代码：

import androidx.appcompat.app.AppCompatActivity;

import android.os.Bundle;
import android.view.View;
import android.widget.EditText;

public class MainActivity extends AppCompatActivity {
EditText UsernameEt , PasswordEt;
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        UsernameEt= (EditText)findViewById(R.id.editTextTextPersonName);
        PasswordEt= (EditText)findViewById(R.id.editTextTextPassword);

    }
    public void OnLogin(View view) {
        String username= UsernameEt.getText().toString();
        String password= PasswordEt.getText().toString();
        BackroundWorker backroundWorker=new BackroundWorker(this);
        String type= "login";
        backroundWorker.execute(type,username,password);
    }
} 

这是BackroundWorker类的代码：

package com.android.example.meetmev0;

import android.app.AlertDialog;
import android.content.Context;
import android.os.AsyncTask;
import android.util.Log;

import java.io.BufferedReader;
import java.io.BufferedWriter;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.io.OutputStream;
import java.io.OutputStreamWriter;
import java.net.MalformedURLException;
import java.net.URL;
import java.net.URLEncoder;

import javax.net.ssl.HttpsURLConnection;

public class BackroundWorker extends AsyncTask<String,Void,String> {
Context context;
AlertDialog alertDialog;
public BackroundWorker ( Context ctx) {
    context=ctx;
}
    @Override
    protected String doInBackground(String... voids) {
    String type = voids[0];
    String login_url= "https://10.0.2.2/MeetLogin.php";
    if(type.equals("login"))
    {
        String test="so far so good";
        try {
            String username = voids[1];
            String password = voids[2];
            URL url= new URL(login_url);
            HttpsURLConnection httpsURLConnection = (HttpsURLConnection)url.openConnection();
            httpsURLConnection.setRequestMethod("POST");
            httpsURLConnection.setDoOutput(true);
            httpsURLConnection.setDoInput(true);
            OutputStream outputStream= httpsURLConnection.getOutputStream();
            test= " still good";
            BufferedWriter bufferedWriter = new BufferedWriter(new OutputStreamWriter(outputStream, "UTF-8"));
            String post_data= URLEncoder.encode("username ", "UTF-8")+"="+URLEncoder.encode(username , "UTF-8")+"&"
                    +URLEncoder.encode("password", "UTF-8")+"="+URLEncoder.encode(password , "UTF-8");
            bufferedWriter.write(post_data);
            bufferedWriter.flush();
            bufferedWriter.close();
            outputStream.close();
            InputStream inputStream = httpsURLConnection.getInputStream();
            BufferedReader bufferedReader = new BufferedReader(new InputStreamReader(inputStream,"ISO-8859-1"));
            String result="";
            String line="";
            while((line = bufferedReader.readLine())!=null){
                result+=line;
            }
            bufferedReader.close();
            inputStream.close();
            httpsURLConnection.disconnect();
            Log.v("Activity test: ", result);
            return result;
        } catch (IOException e) {
            e.printStackTrace();
        }
    }
        return null;
    }

    @Override
    protected void onPreExecute() {
        alertDialog= new AlertDialog.Builder(context).create();
        alertDialog.setTitle("Login Status");

    }

    @Override
    protected void onPostExecute(String result) {
        alertDialog.setMessage(result);
        alertDialog.show();
    }

    @Override
    protected void onProgressUpdate(Void... values) {
        super.onProgressUpdate(values);
    }
}

---

我尝试添加端口8080和8888，但没有成功。将

10.0.2.2

交换到

localhost

或我的本地ip也不起作用。

我将https更改为http:

字符串登录\u url=”https://10.0.2.2/MeetLogin.php“

到

字符串登录\u url=”http://10.0.2.2/MeetLogin.php“

及

HttpsURLConnection HttpsURLConnection=（HttpsURLConnection）url.openConnection（）

to

HttpURLConnection httpsURLConnection=（HttpURLConnection）url.openConnection（）

现在它工作得很好。
我将https更改为http:

字符串登录\u url=”https://10.0.2.2/MeetLogin.php“
到
字符串登录\u url=”http://10.0.2.2/MeetLogin.php“

及

HttpsURLConnection HttpsURLConnection=（HttpsURLConnection）url.openConnection（）
to
HttpURLConnection httpsURLConnection=（HttpURLConnection）url.openConnection（）

现在它工作得很好。
如果您将https更改为http，它能工作吗？@wowoOt确实能，谢谢！如果您将https更改为http，它会工作吗？@wowoOt实际上是这样的，谢谢！
<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
    package="com.android.example.meetmev0">
<uses-permission android:name="android.permission.INTERNET"></uses-permission>
    <application
        android:allowBackup="true"
        android:icon="@mipmap/ic_launcher"
        android:label="@string/app_name"
        android:roundIcon="@mipmap/ic_launcher_round"
        android:supportsRtl="true"
        android:theme="@style/AppTheme"
        android:usesCleartextTraffic="true">

        <activity android:name=".MainActivity">
            <intent-filter>
                <action android:name="android.intent.action.MAIN" />

                <category android:name="android.intent.category.LAUNCHER" />
            </intent-filter>
        </activity>
    </application>

</manifest>