Whenever you use (this) on click events, your main activity has to implement ocClickListener. Android Studio does it for you, ... ... <看更多>

Android Button OnClick Tutorial. GitHub Gist: instantly share code, notes, and snippets. ... <看更多>

You can turn any View , such as an ImageView , into a button by adding the android:onClick attribute in the XML layout. The image for the ImageView must already ... ... <看更多>

I'm trying to create an android game using libgdx with a Titlescreen, you just press ... so it is null when the click handler is invoked. ... <看更多>