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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 2019-03-31 23:35:21 +03:00
parent 8e2f4095c5
commit 33854d62c0
10 changed files with 458 additions and 6 deletions
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app/src/main/java/com/tangem/ui/activity/PrepareTransactionActivity.kt
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@ -1,178 +0,0 @@
package com.tangem.ui.activity
import android.app.Activity
import android.content.Context
import android.content.Intent
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 androidx.appcompat.app.AppCompatActivity
import com.tangem.App
import com.tangem.Constant
import com.tangem.data.Blockchain
import com.tangem.di.Navigator
import com.tangem.domain.wallet.CoinEngineFactory
import com.tangem.domain.wallet.TangemContext
import com.tangem.card_android.android.nfc.NfcLifecycleObserver
import com.tangem.card_android.android.reader.NfcManager
import com.tangem.util.UtilHelper
import com.tangem.wallet.R
import kotlinx.android.synthetic.main.activity_prepare_transaction.*
import java.io.IOException
import javax.inject.Inject
class PrepareTransactionActivity : AppCompatActivity(), NfcAdapter.ReaderCallback {
companion object {
val TAG: String = PrepareTransactionActivity::class.java.simpleName
fun callingIntent(context: Context, ctx: TangemContext): Intent {
val intent = Intent(context, PrepareTransactionActivity::class.java)
ctx.saveToIntent(intent)
return intent
}
}
@Inject
internal lateinit var navigator: Navigator
private lateinit var ctx: TangemContext
private lateinit var nfcManager: NfcManager
override fun onCreate(savedInstanceState: Bundle?) {
super.onCreate(savedInstanceState)
setContentView(R.layout.activity_prepare_transaction)
App.navigatorComponent.inject(this)
nfcManager = NfcManager(this, this)
lifecycle.addObserver(NfcLifecycleObserver(nfcManager))
ctx = TangemContext.loadFromBundle(this, intent.extras)
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(this)) {
Toast.makeText(this, R.string.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.not_enough_funds_on_your_card)
else
etAmount.error = null
} catch (e: Exception) {
etAmount.error = getString(R.string.unknown_amount_format)
}
// check wallet address
if (!engine1.validateAddress(etWallet.text.toString())) {
etWallet.error = getString(R.string.incorrect_destination_wallet_address)
return@setOnClickListener
} else
etWallet.error = null
if (etWallet.text.toString() == ctx.coinData!!.wallet) {
etWallet.error = getString(R.string.destination_wallet_address_equal_source_address)
return@setOnClickListener
}
if (!etAmount.error.isNullOrEmpty() || !etWallet.error.isNullOrEmpty()) {
return@setOnClickListener
}
val intent = Intent(baseContext, ConfirmTransactionActivity::class.java)
ctx.saveToIntent(intent)
intent.putExtra(Constant.EXTRA_TARGET_ADDRESS, etWallet!!.text.toString())
intent.putExtra(Constant.EXTRA_FEE_INCLUDED, (rgIncFee!!.checkedRadioButtonId == R.id.rbFeeIn))
intent.putExtra(Constant.EXTRA_AMOUNT, strAmount)
intent.putExtra(Constant.EXTRA_AMOUNT_CURRENCY, tvCurrency.text.toString())
startActivityForResult(intent, Constant.REQUEST_CODE_SEND_TRANSACTION__)
}
ivCamera.setOnClickListener { navigator.showQrScanActivity(this, Constant.REQUEST_CODE_SCAN_QR) }
}
override fun onActivityResult(requestCode: Int, resultCode: Int, data: Intent?) {
super.onActivityResult(requestCode, resultCode, data)
if (requestCode == Constant.REQUEST_CODE_SCAN_QR && resultCode == Activity.RESULT_OK && data != null && data.extras!!.containsKey("QRCode")) {
var code = data.getStringExtra("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:")) {
val tmp = code.split("blockchain:".toRegex()).dropLastWhile { it.isEmpty() }.toTypedArray()
code = tmp[1]
}
}
else -> {
}
}
etWallet?.setText(code)
} else if (requestCode == Constant.REQUEST_CODE_SEND_TRANSACTION__) {
setResult(resultCode, data)
finish()
}
}
override fun onTagDiscovered(tag: Tag) {
try {
nfcManager.ignoreTag(tag)
} catch (e: IOException) {
e.printStackTrace()
}
}
}