Java. Lang. runtimeexception: can't create handler inside thread that has not called logoff. PR

Source: Internet
Author: User

Today, we have an appwidget. To determine the WiFi and Bluetooth statuses, it takes some time to change the process status. Therefore, we need to open a thread to determine and then update the interface.

A thread is opened directly to call the UPDATE function in the thread. Unfortunately, an error is prompted when you click Add appwidget for the first time.

Java. Lang. runtimeexception: can't create handler inside thread that has not called logoff. Prepare ()

Then handler is used to solve the problem. You can also do this in the appwidget, which is too convenient.

Contact Us

The content source of this page is from Internet, which doesn't represent Alibaba Cloud's opinion; products and services mentioned on that page don't have any relationship with Alibaba Cloud. If the content of the page makes you feel confusing, please write us an email, we will handle the problem within 5 days after receiving your email.

If you find any instances of plagiarism from the community, please send an email to: info-contact@alibabacloud.com and provide relevant evidence. A staff member will contact you within 5 working days.

A Free Trial That Lets You Build Big!

Start building with 50+ products and up to 12 months usage for Elastic Compute Service

  • Sales Support

    1 on 1 presale consultation

  • After-Sales Support

    24/7 Technical Support 6 Free Tickets per Quarter Faster Response

  • Alibaba Cloud offers highly flexible support services tailored to meet your exact needs.