how to get id in different layout

Question

i have id \"@+id/call\" in single_item.xml when i use findVewById it (the layout setcontextview(R.layout.main)) .the ap

Answer 1

You are trying to find a View (R.id.call) that is declared in R.layout.single_item in the layour R.layout.main, so I guess it is throwing a Null Pointer Exception.

You should either declare your "@+id/call" element in your main.xml file, or set the context view to R.layout.single_item