Searched on Google with the first line of a JAVA stack trace?

We can recommend more relevant solutions and speed up debugging when you paste your entire stack trace with the exception message. Try a sample exception.

Recommended solutions based on your search

Samebug tips

  1. ,

    Create an empty public constructor in your code.

Solutions on the web

via Stack Overflow by ramzixp
, 1 year ago
Unable to start activity ComponentInfo{xxx/xxx.MainActivity}: java.lang.IllegalStateException: You need to use a Theme.AppCompat theme (or descendant) with this activity.
via GitHub by B--B
, 1 year ago
Unable to start activity ComponentInfo{com.google.android.dialer/com.google.android.dialer.settings.GoogleDialerSettingsActivity}: java.lang.IllegalStateException: You need to use a Theme.AppCompat theme (or descendant) with this activity.
via Stack Overflow by user1517108
, 2 years ago
Unable to start activity ComponentInfo{com.example.vibha.digits42c/com.example.vibha.digits42c.MainActivity}: java.lang.IllegalStateException: You need to use a Theme.AppCompat theme (or descendant) with this activity.**
via Stack Overflow by cs x
, 2 years ago
Unable to start activity ComponentInfo{com.kycq.demo/com.kycq.demo.LoadingActivity}: java.lang.IllegalStateException: You need to use a Theme.AppCompat theme (or descendant) with this activity.
via Stack Overflow by Suman Adhikari
, 2 years ago
Unable to start activity ComponentInfo{net.slidenerd.materialtest/net.slidenerd.materialtest.MainActivity}: java.lang.IllegalStateException: You need to use a Theme.AppCompat theme (or descendant) with this activity.
via Stack Overflow by ssabouni
, 1 year ago
Unable to start activity ComponentInfo{com.ibm.myapp/com.ibm.myapp.MainActivity}: java.lang.IllegalStateException: You need to use a Theme.AppCompat theme (or descendant) with this activity.
java.lang.RuntimeException: Unable to start activity ComponentInfo{xxx/xxx.MainActivity}: java.lang.IllegalStateException: You need to use a Theme.AppCompat theme (or descendant) with this activity.	at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2426)	at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2490)