[VictorToast.java]In package, package com.victor.customui; import android.annotation.SuppressLint; import android.app.Activity; import android.content.Context; import android.view.Gravity; import android.view.LayoutInflater; import android.view.View; import android.widget.TextView; import android.widget.Toast; import com.victor.devicemanager_new.R; public class VictorToast extends Toast { Contex..