Android Question StartReceiverAt OkHttpUtils2 during phone sleep

#if java
    
 
    import java.io.IOException;
    import java.net.URL;
    import java.net.URLConnection;
    import java.io.InputStream;
    import java.io.File;
    import java.io.FileOutputStream;
    import java.lang.String;    
    import java.nio.charset.StandardCharsets;
    import java.text.SimpleDateFormat;    
    import java.util.Date;    
    import java.lang.Thread;
    import java.util.concurrent.atomic.AtomicReference;
    import java.io.BufferedInputStream;    

    public static String downloadHtml(String url, String filesDir, String filename) throws IOException 
    {

        AtomicReference<String> errorMessage = new AtomicReference<>("");
    
        Thread thread = new Thread(
        new Runnable() 
        {
            @Override
            public void run() 
            {
                try
                {
                    URLConnection connection = new URL(url).openConnection();
                    connection.setRequestProperty("Accept-Encoding", "identity");
                    InputStream inputStream = new BufferedInputStream(connection.getInputStream()); 

                    File file = new File(filesDir, filename);
                    file.getParentFile().mkdirs();
                    file.createNewFile();

                    FileOutputStream outputStream = new FileOutputStream(file);
                    byte[] buffer = new byte[1024];
                    int bytesRead;
                    
                    while ((bytesRead = inputStream.read(buffer)) != -1) 
                    {
                        outputStream.write(buffer, 0, bytesRead);
                    }

                    inputStream.close();
                    outputStream.close();                

                }
                catch (IOException e) 
                { 
                    errorMessage.set("Internal error: " + e.getMessage());
                }
            }                
        }
        
        );
    
        thread.start();
      
         long timeoutMillis = 30000; // 30 sec
        long startTime = System.currentTimeMillis();

        while (thread.isAlive()) 
        {
            if (System.currentTimeMillis() - startTime > timeoutMillis) 
            {
                thread.interrupt();
                errorMessage.set("Thread timeout");
                break;
            }
        }

        try 
        {
            thread.join();
        } 
        catch (InterruptedException e) 
        {
            errorMessage.set("Thread error: " + e.getMessage());
        }

        String error = errorMessage.get();

        return error;  
     }
    
    #End If