App stopped! Please help


i have created a app with appybuilder and i have seen that when i install the app it says Unfortunately the app stop ans the app dont run…

why this happen!!

ihave used extensions: actionbar and sidebar

please help me


Please show your blocks used.



here it isapy2apy1apy3


is there any error in it???


please see the blocks and check the error


Its Generally Happen When You Use Un Use Imgs So, First Remove Some Imgs Then Try To Export And Check !


make sure to follow tip 1 and tip 2



do you use a “obfuscated text”?