I have no Idea about what this error is all about.If you use Gradle or Android Studio, follow these instructions to install New Relic's mobile monitoring for the first time. Public class start extends AppCompatActivity : : Attempt to invoke virtual method 'void ($OnClickListener)' on a null object referenceĪt (ActivityThread.java:2913)Īt (ActivityThread.java:3048)Īt .execute(LaunchActivityItem.java:78)Īt .executeCallbacks(TransactionExecutor.java:108)Īt .execute(TransactionExecutor.java:68)Īt $H.handleMessage(ActivityThread.java:1808)Īt android.os.Handler.dispatchMessage(Handler.java:106)Īt android.os.Looper.loop(Looper.java:193)Īt (ActivityThread.java:6669)Īt .invoke(Native Method)Īt .RuntimeInit$n(RuntimeInit.java:493)Īt .ZygoteInit.main(ZygoteInit.java:858)Ĭaused by: : Attempt to invoke virtual method 'void ($OnClickListener)' on a null object referenceĪt .onCreate(login.java:44)Īt (Activity.java:7136)Īt (Activity.java:7127)Īt (Instrumentation.java:1271)Īt (ActivityThread.java:2893) The following is the java code for the start activity package My signup page works fine but when I hit login on the homepage the app closes.Īcttivity_login.xml file, I was not able to add it as a code snippet. It contains a homepage from where the user gets to navigate to signup or login page. I am developing an app that contains a login and signup page.
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