Getactionbar (). Settitle (); Java.lang.NullPoint Exception Solution

Getactionbar (). Settitle (); Java.lang.NullPoint exception resolution is due to the fact that the low version does not support direct access, modify the scenario:

Try changing your theme to This<style name= "Apptheme" parent= "Android:Theme.Holo.Light.DarkActionBar" >and not the AppCompat Version

　　

In another case, if the version is low, the API is less than 11 solution:

It basically depends on WHCH API is targeting.  If it less than Use<style name= "Apptheme" parent= "Theme.AppCompat.Light.DarkActionBar" >and in your activity call Your actionbar using this

Getsupportactionbar (). Setdisplayhomeasupenabled (True);

　　

Getactionbar (). Settitle (); Java.lang.NullPoint Exception Solution