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/*
* This file is part of GNU Taler
* (C) 2020 Taler Systems S.A.
*
* GNU Taler is free software; you can redistribute it and/or modify it under the
* terms of the GNU General Public License as published by the Free Software
* Foundation; either version 3, or (at your option) any later version.
*
* GNU Taler is distributed in the hope that it will be useful, but WITHOUT ANY
* WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
* A PARTICULAR PURPOSE. See the GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along with
* GNU Taler; see the file COPYING. If not, see <http://www.gnu.org/licenses/>
*/
package net.taler.wallet
import android.os.Bundle
import android.view.LayoutInflater
import android.view.View
import android.view.ViewGroup
import androidx.fragment.app.Fragment
import androidx.fragment.app.activityViewModels
import androidx.lifecycle.Observer
import kotlinx.android.synthetic.main.fragment_main.*
import net.taler.wallet.balances.BalancesFragment
import net.taler.wallet.transactions.TransactionsFragment
class MainFragment : Fragment() {
private val model: MainViewModel by activityViewModels()
private var currentTag: String? = null
override fun onCreateView(
inflater: LayoutInflater,
container: ViewGroup?,
savedInstanceState: Bundle?
): View? {
return inflater.inflate(R.layout.fragment_main, container, false)
}
override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
model.balances.observe(viewLifecycleOwner, Observer {
onBalancesChanged(it.values.toList())
})
mainFab.setOnClickListener {
scanQrCode(requireActivity())
}
}
override fun onStart() {
super.onStart()
model.loadBalances()
}
private fun onBalancesChanged(balances: List<BalanceItem>) {
val tag = if (balances.size == 1) "single" else "multi"
if (currentTag != tag) {
val f = if (tag == "single") {
model.transactionManager.selectedCurrency = balances[0].available.currency
TransactionsFragment()
} else {
BalancesFragment()
}
currentTag = tag
childFragmentManager.beginTransaction()
.replace(R.id.mainFragmentContainer, f, tag)
.commitNow()
}
}
}
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