[ad_1] You have to initialize your spinner in the onCreate method, so move CARS_TYPE = (Spinner)findViewById(…); inside onCreate() after setContentView one more thing, CARS_TYPE should not be a constant, better if you call it carsType instead 0 [ad_2] solved why this runtime is occured :Unable to instantiate activity ComponentInfo?
[ad_1] After a lot of effort from MD and Aakash we decided to delete this application from eclipse and copy paste the code. And it helped. Thanks guys. 0 [ad_2] solved ClassNotFoundException after starting app
[ad_1] The reason you are getting this error is because the EditText is not created on the UI yet. But, you need the EditText on the screen, along with some valid data before you can call Integer.parseInt. You need to use some sort of interface, through which you would call Integer.parseInt. I suggest using a … Read more
[ad_1] I am not sure what you are doing wrong so I will just show you how it can be done. Lets say you have directories and files [myProject] | +–[src] | | | +–[com] | | | +–[DatingService] | | | +– Main.java | +–[classes] and your Main.java file looks something like package com.DatingService; … Read more