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Updated on 2026-08-14

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This commit is contained in:
Tangem 2019-02-04 12:26:56 +03:00
parent 83aaebb422
commit a7e2964c53
10 changed files with 117 additions and 242 deletions
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2
app/src/main/java/com/tangem/data/Logger.java
View file

@ -226,7 +226,7 @@ public class Logger {
//
// verifyStoragePermissions(activity);
// initLogFile(activity.getApplicationContext());
// t.start();
// t.init();
// } catch (Exception e) {
// e.printStackTrace();
// }

4
app/src/main/java/com/tangem/domain/wallet/CoinEngine.java
View file

@ -247,10 +247,10 @@ public abstract class CoinEngine {
* Transaction processing sequence:
* 1. User enter transaction attributes
* 2. Application create instance of {@link SignTask.TransactionToSign} by call {@see constructTransaction}
* 3. Application set notification when transaction were prepared {@see setOnNeedSendTransaction} and start {@link SignTask}
* 3. Application set notification when transaction were prepared {@see setOnNeedSendTransaction} and init {@link SignTask}
* 4. User tap card and card sign transaction
* 5. Application receive {@link OnNeedSendTransaction} notification with prepared raw transaction
* 6. Application show user information that transaction ready for sending and start sending procedure by call {@see requestSendTransaction}
* 6. Application show user information that transaction ready for sending and init sending procedure by call {@see requestSendTransaction}
* 7. Application receive notification of sending result through {@link CoinEngine.BlockchainRequestsCallbacks} and show result to user
*
* @param amountValue - amount of desired transaction

86
app/src/main/java/com/tangem/presentation/activity/CreateNewWalletActivity.kt
View file

@ -31,6 +31,7 @@ import com.tangem.tangemcard.tasks.CreateNewWalletTask
import com.tangem.tangemcard.util.Util
import com.tangem.wallet.R
import kotlinx.android.synthetic.main.activity_create_new_wallet.*
import kotlinx.android.synthetic.main.layout_progress_horizontal.*
import kotlinx.android.synthetic.main.layout_touch_card.*
class CreateNewWalletActivity : AppCompatActivity(), NfcAdapter.ReaderCallback, CardProtocol.Notifications {
@ -46,13 +47,11 @@ class CreateNewWalletActivity : AppCompatActivity(), NfcAdapter.ReaderCallback,
private lateinit var nfcManager: NfcManager
private lateinit var ctx: TangemContext
private lateinit var antenna: DeviceNFCAntennaLocation
private lateinit var nfcAntenna: DeviceNFCAntennaLocation
private var createNewWalletTask: CreateNewWalletTask? = null
private var lastReadSuccess = true
private var progressBar: ProgressBar? = null
override fun onCreate(savedInstanceState: Bundle?) {
super.onCreate(savedInstanceState)
setContentView(R.layout.activity_create_new_wallet)
@ -61,36 +60,13 @@ class CreateNewWalletActivity : AppCompatActivity(), NfcAdapter.ReaderCallback,
ctx = TangemContext.loadFromBundle(this, intent.extras)
// init NFC Antenna
nfcAntenna = DeviceNFCAntennaLocation(this, ivHandCardHorizontal, ivHandCardVertical, llHand, llNfc)
nfcAntenna.init()
tvCardId.text = ctx.card!!.cidDescription
progressBar = findViewById(R.id.progressBar)
progressBar!!.progressTintList = ColorStateList.valueOf(Color.DKGRAY)
progressBar!!.visibility = View.INVISIBLE
// get NFC Antenna
antenna = DeviceNFCAntennaLocation()
antenna.getAntennaLocation()
// set card orientation
when (antenna.orientation) {
DeviceNFCAntennaLocation.CARD_ORIENTATION_HORIZONTAL -> {
ivHandCardHorizontal.visibility = View.VISIBLE
ivHandCardVertical.visibility = View.GONE
}
DeviceNFCAntennaLocation.CARD_ORIENTATION_VERTICAL -> {
ivHandCardVertical.visibility = View.VISIBLE
ivHandCardHorizontal.visibility = View.GONE
}
}
// set card z position
when (antenna.z) {
DeviceNFCAntennaLocation.CARD_ON_BACK -> llHand.elevation = 0.0f
DeviceNFCAntennaLocation.CARD_ON_FRONT -> llHand.elevation = 30.0f
}
animate()
progressBar.progressTintList = ColorStateList.valueOf(Color.DKGRAY)
progressBar.visibility = View.INVISIBLE
}
override fun onTagDiscovered(tag: Tag) {
@ -141,11 +117,11 @@ class CreateNewWalletActivity : AppCompatActivity(), NfcAdapter.ReaderCallback,
}
override fun onReadStart(cardProtocol: CardProtocol) {
rlProgressBar.post { rlProgressBar.visibility = View.VISIBLE }
rlProgressBar?.post { rlProgressBar.visibility = View.VISIBLE }
progressBar!!.post {
progressBar!!.visibility = View.VISIBLE
progressBar!!.progress = 5
progressBar?.post {
progressBar?.visibility = View.VISIBLE
progressBar?.progress = 5
}
}
@ -210,11 +186,11 @@ class CreateNewWalletActivity : AppCompatActivity(), NfcAdapter.ReaderCallback,
}
}, 500)
progressBar!!.postDelayed({
progressBar?.postDelayed({
try {
progressBar!!.progress = 0
progressBar!!.progressTintList = ColorStateList.valueOf(Color.DKGRAY)
progressBar!!.visibility = View.INVISIBLE
progressBar?.progress = 0
progressBar?.progressTintList = ColorStateList.valueOf(Color.DKGRAY)
progressBar?.visibility = View.INVISIBLE
} catch (e: Exception) {
e.printStackTrace()
}
@ -222,17 +198,17 @@ class CreateNewWalletActivity : AppCompatActivity(), NfcAdapter.ReaderCallback,
}
override fun onReadProgress(protocol: CardProtocol, progress: Int) {
progressBar!!.post { progressBar!!.progress = progress }
progressBar?.post { progressBar?.progress = progress }
}
override fun onReadCancel() {
createNewWalletTask = null
progressBar!!.postDelayed({
progressBar?.postDelayed({
try {
progressBar!!.progress = 0
progressBar!!.progressTintList = ColorStateList.valueOf(Color.DKGRAY)
progressBar!!.visibility = View.INVISIBLE
progressBar?.progress = 0
progressBar?.progressTintList = ColorStateList.valueOf(Color.DKGRAY)
progressBar?.visibility = View.INVISIBLE
} catch (e: Exception) {
e.printStackTrace()
}
@ -251,24 +227,4 @@ class CreateNewWalletActivity : AppCompatActivity(), NfcAdapter.ReaderCallback,
WaitSecurityDelayDialog.onReadAfterRequest(this)
}
private fun animate() {
val lp = llHand.layoutParams as RelativeLayout.LayoutParams
val lp2 = llNfc.layoutParams as RelativeLayout.LayoutParams
val dp = resources.displayMetrics.density
val lm = dp * (69 + antenna.x * 75)
lp.topMargin = (dp * (-100 + antenna.y * 250)).toInt()
lp2.topMargin = (dp * (-125 + antenna.y * 250)).toInt()
llNfc.layoutParams = lp2
val a = object : Animation() {
override fun applyTransformation(interpolatedTime: Float, t: Transformation) {
lp.leftMargin = (lm * interpolatedTime).toInt()
llHand.layoutParams = lp
}
}
a.duration = 2000
a.interpolator = DecelerateInterpolator()
llHand.startAnimation(a)
}
}

60
app/src/main/java/com/tangem/presentation/activity/MainActivity.kt
View file

@ -18,10 +18,6 @@ import android.util.Log
import android.view.Menu
import android.view.MenuItem
import android.view.View
import android.view.animation.Animation
import android.view.animation.DecelerateInterpolator
import android.view.animation.Transformation
import android.widget.RelativeLayout
import android.widget.Toast
import com.scottyab.rootbeer.RootBeer
import com.tangem.App
@ -34,7 +30,6 @@ import com.tangem.domain.wallet.TangemContext
import com.tangem.presentation.dialog.NoExtendedLengthSupportDialog
import com.tangem.presentation.dialog.RootFoundDialog
import com.tangem.presentation.dialog.WaitSecurityDelayDialog
import com.tangem.presentation.dialog.WaitSecurityDelayDialogNew
import com.tangem.tangemcard.android.nfc.DeviceNFCAntennaLocation
import com.tangem.tangemcard.android.reader.NfcManager
import com.tangem.tangemcard.android.reader.NfcReader
@ -67,7 +62,7 @@ class MainActivity : AppCompatActivity(), NfcAdapter.ReaderCallback, CardProtoco
private lateinit var nfcManager: NfcManager
private var zipFile: File? = null
private lateinit var antenna: DeviceNFCAntennaLocation
private lateinit var nfcAntenna: DeviceNFCAntennaLocation
private var unsuccessReadCount = 0
private var lastTag: Tag? = null
private var readCardInfoTask: ReadCardInfoTask? = null
@ -100,34 +95,13 @@ class MainActivity : AppCompatActivity(), NfcAdapter.ReaderCallback, CardProtoco
rippleBackgroundNfc.startRippleAnimation()
// get NFC Antenna
antenna = DeviceNFCAntennaLocation()
antenna.getAntennaLocation()
// set card orientation
when (antenna.orientation) {
DeviceNFCAntennaLocation.CARD_ORIENTATION_HORIZONTAL -> {
ivHandCardHorizontal.visibility = View.VISIBLE
ivHandCardVertical.visibility = View.GONE
}
DeviceNFCAntennaLocation.CARD_ORIENTATION_VERTICAL -> {
ivHandCardVertical.visibility = View.VISIBLE
ivHandCardHorizontal.visibility = View.GONE
}
}
// set card z position
when (antenna.z) {
DeviceNFCAntennaLocation.CARD_ON_BACK -> llHand.elevation = 0.0f
DeviceNFCAntennaLocation.CARD_ON_FRONT -> llHand.elevation = 30.0f
}
animate()
// init NFC Antenna
nfcAntenna = DeviceNFCAntennaLocation(this, ivHandCardHorizontal, ivHandCardVertical, llHand, llNfc)
nfcAntenna.init()
// set phone name
if (antenna.fullName != "")
tvNFCHint.text = String.format(getString(R.string.scan_banknote), antenna.fullName)
if (nfcAntenna.fullName != "")
tvNFCHint.text = String.format(getString(R.string.scan_banknote), nfcAntenna.fullName)
else
tvNFCHint.text = String.format(getString(R.string.scan_banknote), getString(R.string.phone))
@ -267,7 +241,7 @@ class MainActivity : AppCompatActivity(), NfcAdapter.ReaderCallback, CardProtoco
public override fun onResume() {
super.onResume()
animate()
nfcAntenna.animate()
ReadCardInfoTask.resetLastReadInfo()
nfcManager.onResume()
}
@ -385,26 +359,6 @@ class MainActivity : AppCompatActivity(), NfcAdapter.ReaderCallback, CardProtoco
onNfcReaderCallback = callback
}
private fun animate() {
val lp = llHand.layoutParams as RelativeLayout.LayoutParams
val lp2 = llNfc.layoutParams as RelativeLayout.LayoutParams
val dp = resources.displayMetrics.density
val lm = dp * (69 + antenna.x * 75)
lp.topMargin = (dp * (-100 + antenna.y * 250)).toInt()
lp2.topMargin = (dp * (-125 + antenna.y * 250)).toInt()
llNfc.layoutParams = lp2
val a = object : Animation() {
override fun applyTransformation(interpolatedTime: Float, t: Transformation) {
lp.leftMargin = (lm * interpolatedTime).toInt()
llHand.layoutParams = lp
}
}
a.duration = 2000
a.interpolator = DecelerateInterpolator()
llHand.startAnimation(a)
}
private fun showMenu(v: View) {
val popup = PopupMenu(this, v)
val inflater = popup.menuInflater

54
app/src/main/java/com/tangem/presentation/activity/PurgeActivity.kt
View file

@ -59,7 +59,7 @@ class PurgeActivity : AppCompatActivity(), NfcAdapter.ReaderCallback, CardProtoc
private lateinit var nfcManager: NfcManager
private lateinit var ctx: TangemContext
private lateinit var antenna: DeviceNFCAntennaLocation
private lateinit var nfcAntenna: DeviceNFCAntennaLocation
private var purgeTask: PurgeTask? = null
@ -75,34 +75,13 @@ class PurgeActivity : AppCompatActivity(), NfcAdapter.ReaderCallback, CardProtoc
ctx = TangemContext.loadFromBundle(this, intent.extras)
// init NFC Antenna
nfcAntenna = DeviceNFCAntennaLocation(this, ivHandCardHorizontal, ivHandCardVertical, llHand, llNfc)
nfcAntenna.init()
tvCardID.text = ctx.card!!.cidDescription
progressBar.progressTintList = ColorStateList.valueOf(Color.DKGRAY)
progressBar.visibility = View.INVISIBLE
// get NFC Antenna
antenna = DeviceNFCAntennaLocation()
antenna.getAntennaLocation()
// set card orientation
when (antenna.orientation) {
DeviceNFCAntennaLocation.CARD_ORIENTATION_HORIZONTAL -> {
ivHandCardHorizontal.visibility = View.VISIBLE
ivHandCardVertical.visibility = View.GONE
}
DeviceNFCAntennaLocation.CARD_ORIENTATION_VERTICAL -> {
ivHandCardVertical.visibility = View.VISIBLE
ivHandCardHorizontal.visibility = View.GONE
}
}
// set card z position
when (antenna.z) {
DeviceNFCAntennaLocation.CARD_ON_BACK -> llHand.elevation = 0.0f
DeviceNFCAntennaLocation.CARD_ON_FRONT -> llHand.elevation = 30.0f
}
animate()
}
public override fun onResume() {
@ -126,7 +105,8 @@ class PurgeActivity : AppCompatActivity(), NfcAdapter.ReaderCallback, CardProtoc
override fun onTagDiscovered(tag: Tag) {
try {
// get IsoDep handle and run cardReader thread
val isoDep = IsoDep.get(tag) ?: throw CardProtocol.TangemException(getString(R.string.wrong_tag_err))
val isoDep = IsoDep.get(tag)
?: throw CardProtocol.TangemException(getString(R.string.wrong_tag_err))
val uid = tag.id
val sUID = Util.byteArrayToHexString(uid)
LOG.d(TAG, "UID: $sUID")
@ -274,24 +254,4 @@ class PurgeActivity : AppCompatActivity(), NfcAdapter.ReaderCallback, CardProtoc
}, 500)
}
private fun animate() {
val lp = llHand.layoutParams as RelativeLayout.LayoutParams
val lp2 = llNfc.layoutParams as RelativeLayout.LayoutParams
val dp = resources.displayMetrics.density
val lm = dp * (69 + antenna.x * 75)
lp.topMargin = (dp * (-100 + antenna.y * 250)).toInt()
lp2.topMargin = (dp * (-125 + antenna.y * 250)).toInt()
llNfc.layoutParams = lp2
val a = object : Animation() {
override fun applyTransformation(interpolatedTime: Float, t: Transformation) {
lp.leftMargin = (lm * interpolatedTime).toInt()
llHand.layoutParams = lp
}
}
a.duration = 2000
a.interpolator = DecelerateInterpolator()
llHand.startAnimation(a)
}
}

79
app/src/main/java/com/tangem/presentation/activity/SignTransactionActivity.kt
View file

@ -8,15 +8,11 @@ import android.nfc.NfcAdapter
import android.nfc.Tag
import android.nfc.tech.IsoDep
import android.os.Bundle
import androidx.appcompat.app.AppCompatActivity
import android.view.KeyEvent
import android.view.View
import android.view.animation.Animation
import android.view.animation.DecelerateInterpolator
import android.view.animation.Transformation
import android.widget.ProgressBar
import android.widget.RelativeLayout
import android.widget.Toast
import androidx.appcompat.app.AppCompatActivity
import com.tangem.App
import com.tangem.Constant
import com.tangem.domain.wallet.CoinEngine
@ -34,6 +30,7 @@ import com.tangem.tangemcard.util.Util
import com.tangem.util.LOG
import com.tangem.wallet.R
import kotlinx.android.synthetic.main.activity_sign_transaction.*
import kotlinx.android.synthetic.main.layout_progress_horizontal.*
import kotlinx.android.synthetic.main.layout_touch_card.*
class SignTransactionActivity : AppCompatActivity(), NfcAdapter.ReaderCallback, CardProtocol.Notifications {
@ -45,7 +42,7 @@ class SignTransactionActivity : AppCompatActivity(), NfcAdapter.ReaderCallback,
private lateinit var nfcManager: NfcManager
private lateinit var ctx: TangemContext
private lateinit var antenna: DeviceNFCAntennaLocation
private lateinit var nfcAntenna: DeviceNFCAntennaLocation
private var signTransactionTask: SignTask? = null
@ -55,8 +52,6 @@ class SignTransactionActivity : AppCompatActivity(), NfcAdapter.ReaderCallback,
private var outAddressStr: String? = null
private var lastReadSuccess = true
private var progressBar: ProgressBar? = null
override fun onCreate(savedInstanceState: Bundle?) {
super.onCreate(savedInstanceState)
setContentView(R.layout.activity_sign_transaction)
@ -65,41 +60,18 @@ class SignTransactionActivity : AppCompatActivity(), NfcAdapter.ReaderCallback,
ctx = TangemContext.loadFromBundle(this, intent.extras)
// init NFC Antenna
nfcAntenna = DeviceNFCAntennaLocation(this, ivHandCardHorizontal, ivHandCardVertical, llHand, llNfc)
nfcAntenna.init()
amount = CoinEngine.Amount(intent.getStringExtra(Constant.EXTRA_AMOUNT), intent.getStringExtra(Constant.EXTRA_AMOUNT_CURRENCY))
fee = CoinEngine.Amount(intent.getStringExtra(Constant.EXTRA_FEE), intent.getStringExtra(Constant.EXTRA_FEE_CURRENCY))
isIncludeFee = intent.getBooleanExtra(Constant.EXTRA_FEE_INCLUDED, true)
outAddressStr = intent.getStringExtra(Constant.EXTRA_TARGET_ADDRESS)
tvCardID.text = ctx.card!!.cidDescription
progressBar = findViewById(R.id.progressBar)
progressBar!!.progressTintList = ColorStateList.valueOf(Color.DKGRAY)
progressBar!!.visibility = View.INVISIBLE
// get NFC Antenna
antenna = DeviceNFCAntennaLocation()
antenna.getAntennaLocation()
// set card orientation
when (antenna.orientation) {
DeviceNFCAntennaLocation.CARD_ORIENTATION_HORIZONTAL -> {
ivHandCardHorizontal.visibility = View.VISIBLE
ivHandCardVertical.visibility = View.GONE
}
DeviceNFCAntennaLocation.CARD_ORIENTATION_VERTICAL -> {
ivHandCardVertical.visibility = View.VISIBLE
ivHandCardHorizontal.visibility = View.GONE
}
}
// set card z position
when (antenna.z) {
DeviceNFCAntennaLocation.CARD_ON_BACK -> llHand.elevation = 0.0f
DeviceNFCAntennaLocation.CARD_ON_FRONT -> llHand.elevation = 30.0f
}
animate()
progressBar.progressTintList = ColorStateList.valueOf(Color.DKGRAY)
progressBar.visibility = View.INVISIBLE
}
public override fun onResume() {
@ -194,14 +166,14 @@ class SignTransactionActivity : AppCompatActivity(), NfcAdapter.ReaderCallback,
override fun onReadStart(cardProtocol: CardProtocol) {
rlProgressBar.post { rlProgressBar.visibility = View.VISIBLE }
progressBar!!.post {
progressBar!!.visibility = View.VISIBLE
progressBar!!.progress = 5
progressBar?.post {
progressBar?.visibility = View.VISIBLE
progressBar?.progress = 5
}
}
override fun onReadProgress(protocol: CardProtocol, progress: Int) {
progressBar!!.post { progressBar!!.progress = progress }
progressBar?.post { progressBar!!.progress = progress }
}
override fun onReadFinish(cardProtocol: CardProtocol?) {
@ -311,7 +283,6 @@ class SignTransactionActivity : AppCompatActivity(), NfcAdapter.ReaderCallback,
// val readBeforeRequest = ReadBeforeRequest()
// readBeforeRequest.timeout = timeout
// EventBus.getDefault().post(readBeforeRequest)
}
override fun onReadAfterRequest() {
@ -320,7 +291,6 @@ class SignTransactionActivity : AppCompatActivity(), NfcAdapter.ReaderCallback,
// val readAfterRequest = ReadAfterRequest()
// EventBus.getDefault().post(readAfterRequest)
}
override fun onReadWait(msec: Int) {
@ -330,29 +300,6 @@ class SignTransactionActivity : AppCompatActivity(), NfcAdapter.ReaderCallback,
// val readWait = ReadWait()
// readWait.msec = msec
// EventBus.getDefault().post(readWait)
}
private fun animate() {
val lp = llHand.layoutParams as RelativeLayout.LayoutParams
val lp2 = llNfc.layoutParams as RelativeLayout.LayoutParams
val dp = resources.displayMetrics.density
val lm = dp * (69 + antenna.x * 75)
lp.topMargin = (dp * (-100 + antenna.y * 250)).toInt()
lp2.topMargin = (dp * (-125 + antenna.y * 250)).toInt()
llNfc.layoutParams = lp2
val a = object : Animation() {
override fun applyTransformation(interpolatedTime: Float, t: Transformation) {
lp.leftMargin = (lm * interpolatedTime).toInt()
llHand.layoutParams = lp
}
}
a.duration = 2000
a.interpolator = DecelerateInterpolator()
llHand.startAnimation(a)
}
}

2
app/src/main/java/com/tangem/util/CryptoUtil.java
View file

@ -155,7 +155,7 @@ public class CryptoUtil {
// See Bitcoin Core's IsCanonicalSignature, https://bitcointalk.org/index.php?topic=8392.msg127623#msg127623
// A canonical signature exists of: <30> <total len> <02> <len R> <R> <02> <len S> <S> <hashtype>
// Where R and S are not negative (their first byte has its highest bit not set), and not
// excessively padded (do not start with a 0 byte, unless an otherwise negative number follows,
// excessively padded (do not init with a 0 byte, unless an otherwise negative number follows,
// in which case a single 0 byte is necessary and even required).
if (signature.length < 9 || signature.length > 73)
return false;

1
app/src/main/res/layout/activity_create_new_wallet.xml
View file

@ -58,7 +58,6 @@
</LinearLayout>
<include
android:id="@+id/progressBar"
layout="@layout/layout_progress_horizontal" />
</androidx.constraintlayout.widget.ConstraintLayout>

8
app/src/main/res/layout/layout_touch_card.xml
View file

@ -24,7 +24,7 @@
</LinearLayout>
<LinearLayout
<androidx.appcompat.widget.LinearLayoutCompat
android:id="@+id/llNfc"
android:layout_width="match_parent"
android:layout_height="match_parent"
@ -45,9 +45,9 @@
app:rb_strokeWidth="8dp"
app:rb_type="strokeRipple" />
</LinearLayout>
</androidx.appcompat.widget.LinearLayoutCompat>
<LinearLayout
<androidx.appcompat.widget.LinearLayoutCompat
android:id="@+id/llHand"
android:layout_width="match_parent"
android:layout_height="match_parent"
@ -68,7 +68,7 @@
android:layout_height="wrap_content"
app:srcCompat="@drawable/hand_card_vertical" />
</LinearLayout>
</androidx.appcompat.widget.LinearLayoutCompat>
<RelativeLayout
android:id="@+id/rlProgressBar"

63
tangemcard-android/src/main/java/com/tangem/tangemcard/android/nfc/DeviceNFCAntennaLocation.kt
View file

@ -1,8 +1,21 @@
package com.tangem.tangemcard.android.nfc
import android.content.Context
import android.os.Build
import android.view.View
import android.view.animation.Animation
import android.view.animation.DecelerateInterpolator
import android.view.animation.Transformation
import android.widget.ImageView
import android.widget.RelativeLayout
import androidx.appcompat.widget.LinearLayoutCompat
class DeviceNFCAntennaLocation(private var context: Context,
private var ivHandCardHorizontal: ImageView,
private var ivHandCardVertical: ImageView,
private var llHand: LinearLayoutCompat,
private var llNfc: LinearLayoutCompat) {
class DeviceNFCAntennaLocation {
companion object {
const val CARD_ON_BACK = 0
const val CARD_ON_FRONT = 1
@ -16,7 +29,33 @@ class DeviceNFCAntennaLocation {
var y: Float = 0.toFloat()
var z: Int = 0
fun getAntennaLocation() {
fun init() {
getAntennaLocation()
setCardOrientation()
animate()
}
fun animate() {
val lp = llHand.layoutParams as RelativeLayout.LayoutParams
val lp2 = llNfc.layoutParams as RelativeLayout.LayoutParams
val dp = context.resources.displayMetrics.density
val lm = dp * (69 + x * 75)
lp.topMargin = (dp * (-100 + y * 250)).toInt()
lp2.topMargin = (dp * (-125 + y * 250)).toInt()
llNfc.layoutParams = lp2
val a = object : Animation() {
override fun applyTransformation(interpolatedTime: Float, t: Transformation) {
lp.leftMargin = (lm * interpolatedTime).toInt()
llHand.layoutParams = lp
}
}
a.duration = 2000
a.interpolator = DecelerateInterpolator()
llHand.startAnimation(a)
}
private fun getAntennaLocation() {
val codename = Build.DEVICE
// default values
@ -37,4 +76,24 @@ class DeviceNFCAntennaLocation {
}
}
private fun setCardOrientation() {
when (orientation) {
CARD_ORIENTATION_HORIZONTAL -> {
ivHandCardHorizontal.visibility = View.VISIBLE
ivHandCardVertical.visibility = View.GONE
}
CARD_ORIENTATION_VERTICAL -> {
ivHandCardVertical.visibility = View.VISIBLE
ivHandCardHorizontal.visibility = View.GONE
}
}
// set card z position
when (z) {
DeviceNFCAntennaLocation.CARD_ON_BACK -> llHand.elevation = 0.0f
DeviceNFCAntennaLocation.CARD_ON_FRONT -> llHand.elevation = 30.0f
}
}
}