Updated on 2026-08-14

app/src/main/java/com/tangem/tap/common/extensions/BackupService.kt

@@ -6,8 +6,7 @@ import com.tangem.operations.backup.BackupService
 /**
 [REDACTED_AUTHOR]
  */
+@Suppress("MagicNumber")
 fun BackupService.primaryCardIsSaltPayVisa(): Boolean {
-    return primaryCardId?.slice(0..3)?.let {
-        SaltPayWorkaround.isVisaBatchId(it)
-    } ?: false
+    return primaryCardId?.slice(0..3)?.let(SaltPayWorkaround::isVisaBatchId) ?: false
 }

app/src/main/java/com/tangem/tap/common/extensions/Bitmap.kt

@@ -4,12 +4,14 @@ import android.graphics.Bitmap
 import android.graphics.BitmapFactory
 import java.io.ByteArrayOutputStream
 
+@Suppress("MagicNumber")
 fun Bitmap.toByteArray(): ByteArray {
     val stream = ByteArrayOutputStream()
     this.compress(Bitmap.CompressFormat.JPEG, 20, stream)
     return stream.toByteArray()
 }
 
+@Suppress("MagicNumber")
 fun ByteArray.toBitmap(): Bitmap {
     return BitmapFactory.decodeByteArray(this, 0, this.size)
 }

app/src/main/java/com/tangem/tap/common/extensions/Blockchain.kt

@@ -5,16 +5,17 @@ import com.tangem.blockchain.common.Blockchain
 import com.tangem.common.extensions.remove
 import com.tangem.wallet.R
 
+@Suppress("ComplexMethod")
 @DrawableRes
 fun Blockchain.getGreyedOutIconRes(): Int {
     return when (this) {
         Blockchain.Arbitrum, Blockchain.ArbitrumTestnet -> R.drawable.ic_arbitrum_no_color
 //        Blockchain.Ducatus -> R.drawable.ic_ducatus
-        Blockchain.Bitcoin, Blockchain.BitcoinTestnet,-> R.drawable.ic_bitcoin_no_color
+        Blockchain.Bitcoin, Blockchain.BitcoinTestnet -> R.drawable.ic_bitcoin_no_color
         Blockchain.BitcoinCash -> R.drawable.ic_bitcoin_cash_no_color
         Blockchain.Litecoin -> R.drawable.ic_litecoin_no_color
-        Blockchain.Ethereum, Blockchain.EthereumTestnet, -> R.drawable.ic_eth_no_color
-        Blockchain.EthereumClassic, Blockchain.EthereumClassicTestnet, -> R.drawable.ic_eth_no_color
+        Blockchain.Ethereum, Blockchain.EthereumTestnet -> R.drawable.ic_eth_no_color
+        Blockchain.EthereumClassic, Blockchain.EthereumClassicTestnet -> R.drawable.ic_eth_no_color
         Blockchain.RSK -> R.drawable.ic_rsk_no_color
         Blockchain.Cardano, Blockchain.CardanoShelley -> R.drawable.ic_cardano_no_color
         Blockchain.Tezos -> R.drawable.ic_tezos_no_color
@@ -24,7 +25,8 @@ fun Blockchain.getGreyedOutIconRes(): Int {
         Blockchain.Polygon, Blockchain.PolygonTestnet -> R.drawable.ic_polygon_no_color
         Blockchain.Solana, Blockchain.SolanaTestnet -> R.drawable.ic_solana_no_color
         Blockchain.Fantom, Blockchain.FantomTestnet -> R.drawable.ic_fantom_no_color
-        Blockchain.BSC, Blockchain.BSCTestnet, Blockchain.Binance, Blockchain.BinanceTestnet -> R.drawable.ic_bsc_no_color
+        Blockchain.BSC, Blockchain.BSCTestnet, Blockchain.Binance, Blockchain.BinanceTestnet ->
+            R.drawable.ic_bsc_no_color
         Blockchain.Dogecoin -> R.drawable.ic_dogecoin_no_color
         Blockchain.Tron, Blockchain.TronTestnet -> R.drawable.ic_tron_no_color
         Blockchain.Gnosis -> R.drawable.ic_gnosis_no_color
@@ -49,4 +51,4 @@ fun Blockchain.getNetworkName(): String {
 }
 
 val Blockchain.fullNameWithoutTestnet
-get() = this.fullName.remove(" Testnet")
+    get() = this.fullName.remove(" Testnet")

app/src/main/java/com/tangem/tap/common/extensions/Navigation.kt

@@ -1,12 +1,10 @@
 package com.tangem.tap.common.extensions
 
 import android.os.Bundle
-import androidx.activity.OnBackPressedCallback
 import androidx.fragment.app.DialogFragment
 import androidx.fragment.app.Fragment
 import androidx.fragment.app.FragmentActivity
 import androidx.fragment.app.FragmentManager
-import com.tangem.common.extensions.VoidCallback
 import com.tangem.feature.referral.ReferralFragment
 import com.tangem.feature.swap.presentation.SwapFragment
 import com.tangem.tap.common.redux.navigation.AppScreen
@@ -84,21 +82,15 @@ fun FragmentActivity.getPreviousScreen(): AppScreen? {
     } else {
         0
     }
-    val tag = if (indexOfLastFragment < this.supportFragmentManager.backStackEntryCount)
+    val tag = if (indexOfLastFragment < this.supportFragmentManager.backStackEntryCount) {
         this.supportFragmentManager.getBackStackEntryAt(indexOfLastFragment).name
-    else null
+    } else {
+        null
+    }
     return tag?.let { AppScreen.valueOf(tag) }
 }
 
-fun FragmentActivity.addOnBackPressedDispatcher(
-    isEnabled: Boolean = true,
-    onBackPressed: VoidCallback,
-): OnBackPressedCallback = (object : OnBackPressedCallback(isEnabled) {
-    override fun handleOnBackPressed() {
-        onBackPressed()
-    }
-}).also { this.onBackPressedDispatcher.addCallback(it) }
-
+@Suppress("ComplexMethod")
 private fun fragmentFactory(screen: AppScreen): Fragment {
     return when (screen) {
         AppScreen.Home -> HomeFragment()

app/src/main/java/com/tangem/tap/common/extensions/Specific.kt

@@ -13,7 +13,7 @@ import java.util.*
 
 //todo move extensions to utils
 fun BigDecimal.toFormattedString(
-    decimals: Int, roundingMode: RoundingMode = RoundingMode.DOWN, locale: Locale = Locale.US
+    decimals: Int, roundingMode: RoundingMode = RoundingMode.DOWN, locale: Locale = Locale.US,
 ): String {
     val symbols = DecimalFormatSymbols(locale)
     val df = DecimalFormat()
@@ -25,9 +25,10 @@ fun BigDecimal.toFormattedString(
     return df.format(this)
 }
 
+@Suppress("MagicNumber")
 fun BigDecimal.toFormattedCurrencyString(
     decimals: Int, currency: String, roundingMode: RoundingMode = RoundingMode.DOWN,
-    limitNumberOfDecimals: Boolean = true
+    limitNumberOfDecimals: Boolean = true,
 ): String {
     val decimalsForRounding = if (limitNumberOfDecimals) {
         if (decimals > 8) 8 else decimals
@@ -35,13 +36,13 @@ fun BigDecimal.toFormattedCurrencyString(
         decimals
     }
     val formattedAmount = this.toFormattedString(
-        decimals = decimalsForRounding, roundingMode = roundingMode
+        decimals = decimalsForRounding, roundingMode = roundingMode,
     )
     return "$formattedAmount $currency"
 }
 
 fun BigDecimal.toFiatRateString(
-    fiatCurrencyName: String
+    fiatCurrencyName: String,
 ): String {
     val value = this
         .setScale(2, RoundingMode.HALF_UP)
@@ -52,7 +53,7 @@ fun BigDecimal.toFiatRateString(
 fun BigDecimal.toFiatString(
     rateValue: BigDecimal,
     fiatCurrencyName: String,
-    formatWithSpaces: Boolean = false
+    formatWithSpaces: Boolean = false,
 ): String {
     val fiatValue = rateValue.multiply(this)
     return fiatValue.toFormattedFiatValue(fiatCurrencyName, formatWithSpaces)
@@ -65,7 +66,7 @@ fun BigDecimal.toFiatValue(rateValue: BigDecimal): BigDecimal {
 
 fun BigDecimal.toFormattedFiatValue(
     fiatCurrencyName: String,
-    formatWithSpaces: Boolean = false
+    formatWithSpaces: Boolean = false,
 ): String {
     val fiatValue = this.setScale(2, RoundingMode.HALF_UP)
         .let { if (formatWithSpaces) it.formatWithSpaces() else it }
@@ -82,9 +83,7 @@ fun BigDecimal.scaleToFiat(applyPrecision: Boolean = false): BigDecimal {
     if (this.isZero()) return this
 
     val scaledFiat = this.setScale(2, RoundingMode.DOWN)
-    return if (scaledFiat.isZero() && applyPrecision) this.setPrecision(1)
-    else scaledFiat
-
+    return if (scaledFiat.isZero() && applyPrecision) this.setPrecision(1) else scaledFiat
 }
 
 fun BigDecimal.setPrecision(precision: Int, roundingMode: RoundingMode = RoundingMode.DOWN): BigDecimal {
@@ -109,7 +108,7 @@ fun BigDecimal.isLessThanOrEqual(value: BigDecimal): Boolean {
 
 fun BigDecimal.formatAmountAsSpannedString(
     currencySymbol: String,
-    reminderPartSizeProportion: Float = 0.7f
+    reminderPartSizeProportion: Float = 0.7f,
 ): SpannedString {
     val amount = this
         .setScale(2, RoundingMode.HALF_UP)
@@ -125,11 +124,12 @@ fun BigDecimal.formatAmountAsSpannedString(
         append(
             "$reminder $currencySymbol",
             RelativeSizeSpan(reminderPartSizeProportion),
-            Spanned.SPAN_EXCLUSIVE_EXCLUSIVE
+            Spanned.SPAN_EXCLUSIVE_EXCLUSIVE,
         )
     }
 }
 
+@Suppress("MagicNumber")
 fun BigDecimal.formatWithSpaces(): String {
     val str = this.toString()
     var integerStr = str.substringBefore('.')

app/src/main/java/com/tangem/tap/common/extensions/String.kt

@@ -29,7 +29,7 @@ fun String.colorSegment(
     context: Context,
     color: Int,
     startIndex: Int = 0,
-    endIndex: Int = this.length
+    endIndex: Int = this.length,
 ): Spannable {
     return this.toSpannable()
         .also { spannable ->
@@ -37,11 +37,12 @@ fun String.colorSegment(
                 ForegroundColorSpan(ContextCompat.getColor(context, color)),
                 startIndex,
                 endIndex,
-                Spannable.SPAN_EXCLUSIVE_EXCLUSIVE
+                Spannable.SPAN_EXCLUSIVE_EXCLUSIVE,
             )
         }
 }
 
+@Suppress("MagicNumber")
 fun String.toQrCode(): Bitmap {
     val hintMap = Hashtable<EncodeHintType, Any>()
     hintMap[EncodeHintType.ERROR_CORRECTION] = ErrorCorrectionLevel.M // H = 30% damage

app/src/main/java/com/tangem/tap/common/extensions/TextView.kt

@@ -23,8 +23,7 @@ fun EditText.update(text: String?) {
     this.setText(text)
     if (!isFocused || textLength == 0) return
 
-    if (cursorPosition == 0) setSelection(textLength)
-    else setSelection(cursorPosition)
+    if (cursorPosition == 0) setSelection(textLength) else setSelection(cursorPosition)
 }
 
 fun EditText.setOnImeActionListener(action: Int, handler: (EditText) -> Unit) {
@@ -56,13 +55,4 @@ fun TextInputLayout.enableError(enable: Boolean, errorMessage: String? = null) {
         error = null
         isErrorEnabled = false
     }
-}
-
-fun TextView.isEllipsized(): Boolean {
-    val layout = this.layout
-    if (layout != null) {
-        val lines: Int = layout.lineCount
-        return (lines > 0) && (layout.getEllipsisCount(lines - 1) > 0)
-    }
-    return false
 }

app/src/main/java/com/tangem/tap/common/extensions/Token.kt

@@ -6,19 +6,23 @@ import androidx.core.graphics.luminance
 import androidx.core.graphics.toColorInt
 import com.tangem.blockchain.common.Token
 
+@Suppress("MagicNumber")
 @ColorInt
 fun Token.getColor(isTestnet: Boolean = false): Int {
     val defaultColor = "#C7C7CC".toColorInt() // equivalent to R.color.lightGray4
 
-    return if (isTestnet)
-        defaultColor
-    else try {
-        ("#" + this.contractAddress.subSequence(2..7).toString()).toColorInt()
-    } catch (exception: Exception) {
+    return if (isTestnet) {
         defaultColor
+    } else {
+        try {
+            ("#" + this.contractAddress.subSequence(2..7).toString()).toColorInt()
+        } catch (exception: Exception) {
+            defaultColor
+        }
     }
 }
 
+@Suppress("MagicNumber")
 @ColorInt
 fun Token.getTextColor(isTestnet: Boolean = false): Int = when {
     isTestnet -> Color.WHITE

app/src/main/java/com/tangem/tap/common/extensions/UI.kt

@@ -1,16 +1,14 @@
+@file:Suppress("TooManyFunctions")
+
 package com.tangem.tap.common.extensions
 
 import android.app.Activity
-import android.content.ActivityNotFoundException
 import android.content.ClipData
 import android.content.ClipboardManager
 import android.content.Context
 import android.content.ContextWrapper
 import android.content.Intent
-import android.content.res.Resources
 import android.graphics.drawable.Drawable
-import android.os.Build
-import android.os.Bundle
 import android.util.DisplayMetrics
 import android.util.TypedValue
 import android.view.View
@@ -25,11 +23,6 @@ import androidx.core.content.ContextCompat
 import androidx.core.view.isVisible
 import androidx.fragment.app.Fragment
 import com.google.android.material.card.MaterialCardView
-import com.tangem.common.extensions.VoidCallback
-
-fun Fragment.getDrawable(@DrawableRes drawableResId: Int): Drawable? {
-    return ContextCompat.getDrawable(requireContext(), drawableResId)
-}
 
 fun Context.getDrawableCompat(@DrawableRes drawableResId: Int): Drawable? {
     return ContextCompat.getDrawable(this, drawableResId)
@@ -62,17 +55,8 @@ fun View.getQuantityString(@PluralsRes id: Int, quantity: Int): String {
     return context.resources.getQuantityString(id, quantity, quantity)
 }
 
-fun View.getResourceName(): String {
-    return try {
-        resources.getResourceEntryName(id)
-    } catch (ex: Resources.NotFoundException) {
-        "Not found"
-    }
-}
-
 fun View.show(show: Boolean, invokeBeforeStateChanged: (() -> Unit)? = null) {
-    return if (show) this.show(invokeBeforeStateChanged)
-    else this.hide(invokeBeforeStateChanged)
+    return if (show) this.show(invokeBeforeStateChanged) else this.hide(invokeBeforeStateChanged)
 }
 
 fun View.show(invokeBeforeStateChanged: (() -> Unit)? = null) {
@@ -111,12 +95,6 @@ fun Context.pixelsToDp(pixels: Int): Int {
         .toInt()
 }
 
-fun Context.dpToPixels(dp: Float): Float =
-    TypedValue.applyDimension(TypedValue.COMPLEX_UNIT_DIP, dp, this.resources.displayMetrics)
-
-fun Context.pixelsToDp(pixels: Float): Float =
-    (pixels / (resources.displayMetrics.densityDpi.toFloat() / DisplayMetrics.DENSITY_DEFAULT))
-
 tailrec fun Context?.getActivity(): Activity? = this as? Activity
     ?: (this as? ContextWrapper)?.baseContext?.getActivity()
 
@@ -136,19 +114,6 @@ fun MaterialCardView.setMargins(
     this.layoutParams = params
 }
 
-fun Activity.setSystemBarTextColor(setTextDark: Boolean) {
-    if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
-        val flags = this.window.decorView.systemUiVisibility
-        // Update the SystemUiVisibility dependening on whether we want a Light or Dark theme.
-        this.window.decorView.systemUiVisibility =
-            if (setTextDark) {
-                flags and View.SYSTEM_UI_FLAG_LIGHT_STATUS_BAR.inv()
-            } else {
-                flags or View.SYSTEM_UI_FLAG_LIGHT_STATUS_BAR
-            }
-    }
-}
-
 fun View.hideKeyboard() {
     val inputMethodManager =
         context.getSystemService(android.content.Context.INPUT_METHOD_SERVICE) as? InputMethodManager
@@ -185,21 +150,6 @@ fun Fragment.shareText(text: String) {
     requireContext().shareText(text)
 }
 
-fun Context.safeStartActivity(
-    intent: Intent,
-    options: Bundle? = null,
-    fallback: ((ActivityNotFoundException) -> Unit)? = null,
-    finally: VoidCallback? = null,
-) {
-    try {
-        this.startActivity(intent, options)
-    } catch (ex: ActivityNotFoundException) {
-        fallback?.invoke(ex)
-    } finally {
-        finally?.invoke()
-    }
-}
-
 fun View.getString(resId: Int, vararg formatArgs: Any?): String {
     return context.getString(resId, *formatArgs)
 }

app/src/main/java/com/tangem/tap/common/extensions/WalletManager.kt

@@ -21,6 +21,7 @@ import timber.log.Timber
 /**
 [REDACTED_AUTHOR]
  */
+@Suppress("MagicNumber")
 suspend fun WalletManager.safeUpdate(): Result<Wallet> = try {
     val scanResponse = store.state.globalState.scanResponse
 
@@ -72,8 +73,7 @@ fun WalletManager?.getAddressData(): AddressData? {
     val wallet = this?.wallet ?: return null
 
     val addressDataList = wallet.createAddressesData()
-    return if (addressDataList.isEmpty()) null
-    else addressDataList[0]
+    return if (addressDataList.isEmpty()) null else addressDataList[0]
 }
 
 fun <T> WalletManager.Companion.stub(): T {