Looking for logging into the Android Studio Mock Up Page site and are not getting the correct working link for it? In such a case, you can use the links given here by searching your desired login page in the search box. If the page is present on our website then you will get all the links related to the Android Studio Mock Up Page site. After that you can login as usual with your login credentials.
https://sourcey.com/articles/beautiful-android-login-and-signup-screens-with-material-design
https://www.mockplus.com/blog/post/android-mockup
https://developer.android.com/studio/write/layout-editor
https://www.justinmind.com/blog/7-stupidly-simple-login-forms-and-how-to-prototype-them-with-justinmind/
https://dribbble.com/tags/login_screen
https://stackoverflow.com/questions/45012340/android-studio-design-view-mockup-not-appearing
https://startflutter.com/
https://materialdesignkit.com/android-gui/
https://uxplanet.org/20-free-android-mockups-psd-808d1f453f27
https://www.fluidui.com/
https://www.invisionapp.com/
https://www.invisionapp.com/tour/android-prototyping
https://www.uxpin.com/studio/blog/26-famous-sign-in-sing-up-and-log-in-wireframes-for-web-and-mobile-inspirational-and-uploadable/