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Code Issues Pull requests Projects Releases 1 Packages Wiki Activity Actions

Updated on 2026-08-14

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Tangem 2019-09-11 12:44:43 +03:00
commit 2402efda34
317 changed files with 2877 additions and 2683 deletions
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app/src/tangemAccess/java/com/tangem/ui/PrepareTransactionFragment.kt Normal file
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package com.tangem.ui
import android.app.Activity
import android.content.Context
import android.nfc.NfcAdapter
import android.nfc.Tag
import android.os.Build
import android.os.Bundle
import android.text.Html
import android.view.View
import android.view.inputmethod.EditorInfo
import android.view.inputmethod.InputMethodManager
import android.widget.Toast
import com.tangem.Constant
import com.tangem.data.Blockchain
import com.tangem.ui.activity.MainActivity
import com.tangem.ui.fragment.BaseFragment
import com.tangem.ui.navigation.NavigationResultListener
import com.tangem.util.UtilHelper
import com.tangem.wallet.CoinEngineFactory
import com.tangem.wallet.R
import com.tangem.wallet.TangemContext
import kotlinx.android.synthetic.tangemAccess.fragment_prepare_transaction.*
import java.io.IOException
class PrepareTransactionFragment : BaseFragment(), NavigationResultListener, NfcAdapter.ReaderCallback {
companion object {
val TAG: String = PrepareTransactionFragment::class.java.simpleName
}
override val layoutId = R.layout.fragment_prepare_transaction
private val ctx: TangemContext by lazy { TangemContext.loadFromBundle(context, arguments) }
override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
super.onViewCreated(view, savedInstanceState)
tvCardID.text = ctx.card?.cidDescription
val engine = CoinEngineFactory.create(ctx)
@Suppress("DEPRECATION") val html = if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.N)
Html.fromHtml(engine!!.balanceHTML, Html.FROM_HTML_MODE_LEGACY)
else
Html.fromHtml(engine!!.balanceHTML)
tvBalance.text = html
if (!engine.allowSelectFeeInclusion()) {
rgIncFee.visibility = View.INVISIBLE
} else {
rgIncFee.visibility = View.VISIBLE
}
if (ctx.card!!.remainingSignatures < 2)
etAmount.isEnabled = false
tvCurrency.text = engine.balance.currency
etAmount.setText(engine.balance.toValueString())
// limit number of symbols after comma
etAmount.filters = engine.amountInputFilters
// set listeners
etAmount.setOnEditorActionListener { lv, actionId, _ ->
if (actionId == EditorInfo.IME_ACTION_DONE) {
val imm = lv.context.getSystemService(Context.INPUT_METHOD_SERVICE) as InputMethodManager
imm.hideSoftInputFromWindow(lv.windowToken, 0)
lv.clearFocus()
true
} else {
false
}
}
btnVerify.setOnClickListener {
if (!UtilHelper.isOnline(context!!)) {
Toast.makeText(context, R.string.general_error_no_connection, Toast.LENGTH_LONG).show()
return@setOnClickListener
}
val engine1 = CoinEngineFactory.create(ctx)
val strAmount: String = etAmount.text.toString().replace(",", ".")
val amount = engine1!!.convertToAmount(etAmount.text.toString(), tvCurrency.text.toString())
try {
if (!engine.checkNewTransactionAmount(amount))
etAmount.error = getString(R.string.prepare_transaction_error_not_enough_funds)
else
etAmount.error = null
} catch (e: Exception) {
etAmount.error = getString(R.string.prepare_transaction_error_unknown_amount_format)
}
// check wallet address
if (!engine1.validateAddress(etWallet.text.toString())) {
etWallet.error = getString(R.string.prepare_transaction_error_incorrect_destination)
return@setOnClickListener
} else
etWallet.error = null
if (etWallet.text.toString() == ctx.coinData!!.wallet) {
etWallet.error = getString(R.string.prepare_transaction_error_same_address)
return@setOnClickListener
}
if (!etAmount.error.isNullOrEmpty() || !etWallet.error.isNullOrEmpty()) {
return@setOnClickListener
}
val data = Bundle()
ctx.saveToBundle(data)
data.putString(Constant.EXTRA_TARGET_ADDRESS, etWallet!!.text.toString())
data.putBoolean(Constant.EXTRA_FEE_INCLUDED, (rgIncFee!!.checkedRadioButtonId == R.id.rbFeeIn))
data.putString(Constant.EXTRA_AMOUNT, strAmount)
data.putString(Constant.EXTRA_AMOUNT_CURRENCY, tvCurrency.text.toString())
navigateForResult(
Constant.REQUEST_CODE_SEND_TRANSACTION__,
R.id.action_prepareTransactionFragment_to_confirmTransactionFragment,
data)
}
ivCamera.setOnClickListener {
navigateForResult(Constant.REQUEST_CODE_SCAN_QR, R.id.action_prepareTransactionFragment_to_qrScanFragment)
}
}
override fun onNavigationResult(requestCode: String, resultCode: Int, data: Bundle?) {
if (requestCode == Constant.REQUEST_CODE_SCAN_QR && resultCode == Activity.RESULT_OK && data != null && data.containsKey("QRCode")) {
var code = data.getString("QRCode")
when (ctx.blockchain) {
Blockchain.Bitcoin -> {
if (code.contains("bitcoin:")) {
val tmp = code.split("bitcoin:".toRegex()).dropLastWhile { it.isEmpty() }.toTypedArray()
code = tmp[1]
}
}
Blockchain.Ethereum, Blockchain.Token -> {
if (code.contains("ethereum:")) {
val tmp = code.split("ethereum:".toRegex()).dropLastWhile { it.isEmpty() }.toTypedArray()
code = tmp[1]
} else if (code.contains("blockchain:")) { //TODO: is this needed?
val tmp = code.split("blockchain:".toRegex()).dropLastWhile { it.isEmpty() }.toTypedArray()
code = tmp[1]
}
}
Blockchain.Litecoin -> {
if (code.contains("litecoin:")) {
val tmp = code.split("litecoin:".toRegex()).dropLastWhile { it.isEmpty() }.toTypedArray()
code = tmp[1]
}
}
Blockchain.Ripple -> {
if (code.contains("ripple:")) {
val tmp = code.split("ripple:".toRegex()).dropLastWhile { it.isEmpty() }.toTypedArray()
code = tmp[1]
}
}
else -> {
}
}
etWallet?.setText(code)
} else if (requestCode == Constant.REQUEST_CODE_SEND_TRANSACTION__) {
navigateBackWithResult(resultCode, data)
}
}
override fun onTagDiscovered(tag: Tag) {
try {
(activity as MainActivity).nfcManager.ignoreTag(tag)
} catch (e: IOException) {
e.printStackTrace()
}
}
}