Top "Findviewbyid" questions

findViewById(int id) is a method of the View and Activity classes.

Efficiency of findViewById

Probably most Android devs know that findViewById is not a cheap operation. Another thing that most of us know, is …

android performance android-layout findviewbyid
( Toolbar ) findViewById( R.id.tool_bar ) return NULL

Yesterday I encountered a problem - findViewById( ) return NULL for my toolbar. I was looking all around through the interner …

android android-toolbar findviewbyid
ImageView invisible doesn't get visible after setVisibility()

I load in onCreate() and ImageView by findViewById(). The ImageView is set as INVISIBLE from XML and it should become …

android imageview visibility findviewbyid
How to Load WebView in Fragment class? How to load Webview in android?

I am trying to create a WebView in a Fragment which should be loaded. I added it already to my …

android android-fragments fragment findviewbyid
Cannot resolve findViewById in fragment

i am trying to get id from fragment xml so here is the code the error is " Cannot resolve the …

android android-studio fragment findviewbyid
Cannot resolve findViewByID in AppCompatActivity

I'm following this tutorial: Android Material Design Using Tabs Infos: Android API Level 21 Dependecies are added to graddle file compile …

android material-design findviewbyid appcompatactivity