无法解析主机名意味着如何在 android 工作室的异步任务中解决它

Question

Unable to resolve the host name Following the snippet below:

public class Main2Activity extends Activity {

// button to show progress dialog
Button btnShowProgress;

// Progress Dialog
private ProgressDialog pDialog;
ImageView my_image;
// Progress dialog type (0 - for Horizontal progress bar)
public static final int progress_bar_type = 0;

// File url to download
private static String file_url = "https://www.tutorialspoint.com/images/tp-logo-diamond.png";
}                                                                          

Answer 1

Check if your are not using internet permission in AndroidMenifext.xml

<uses-permission android:name="android.permission.INTERNET" />

Also ask for the same permission in runtime.