android.support.design.widget.FloatingActionButton cannot be cast to com.melnykov.fab.FloatingActionButton
在浮动按钮能显示的状态下,在MainActivity里声明使用点击函数时出现闪退,并报错。
解决:
导错了类:
import com.melnykov.fab.FloatingActionButton;
正确的应为:
import android.support.design.widget.FloatingActionButton;