Zakat

private fun initView() {
        binding.btnZakat.setOnClickListener {
            if (TextUtils.isEmpty(binding.etAmountZakat.text)) {
                Toast.makeText(this, "Masukan Total Harta",
                    Toast.LENGTH_SHORT).show()
            } else if (binding.etAmountZakat.getNumericValue()?.toInt()!! >= 85000000) {
                val formatAmount = NumberFormat.getNumberInstance(
                    Locale("id", "ID"))
                    .format(binding.etAmountZakat.getNumericValue())
                binding.tvHartaAmount.text = "Rp $formatAmount"

                val zakat = binding.etAmountZakat.getNumericValue()!!.toInt() * (2.5/100)
                val formatZakat = NumberFormat.getNumberInstance(
                    Locale("id", "ID")).format(zakat)
                binding.tvAmountZakat.text = "Rp $formatZakat"
            } else {
                Toast.makeText(this,
                    "Total Harta masih belum mencapai nisab", Toast.LENGTH_LONG)
                    .show()
                binding.tvAmountZakat.text = "Rp. 0"
            }
        }
    }

    override fun onOptionsItemSelected(item: MenuItem): Boolean {
        when (item.itemId) {
            android.R.id.home -> {
                finish()
            }
        }
        return super.onOptionsItemSelected(item)
    }