diff --git a/samples/addressAndKeys/app/.gitignore b/samples/addressAndKeys/app/.gitignore
deleted file mode 100644
index 796b96d1..00000000
--- a/samples/addressAndKeys/app/.gitignore
+++ /dev/null
@@ -1 +0,0 @@
-/build
diff --git a/samples/addressAndKeys/app/build.gradle b/samples/addressAndKeys/app/build.gradle
deleted file mode 100644
index 5f96b882..00000000
--- a/samples/addressAndKeys/app/build.gradle
+++ /dev/null
@@ -1,37 +0,0 @@
-apply plugin: 'com.android.application'
-apply plugin: 'kotlin-android'
-apply plugin: 'kotlin-android-extensions'
-
-android {
- compileSdkVersion 29
- defaultConfig {
- applicationId "cash.z.wallet.sdk.sample.address"
- minSdkVersion 21
- targetSdkVersion 29
- versionCode 1
- versionName "1.0"
- testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
- missingDimensionStrategy "network", "zcashtestnet"
- }
- buildTypes {
- release {
- minifyEnabled false
- proguardFiles getDefaultProguardFile('proguard-android-optimize.txt'), 'proguard-rules.pro'
- matchingFallbacks = ['zcashtestnetRelease']
- }
- }
-}
-
-dependencies {
- implementation project(path: ':sdk')
-// api project(path: ':sdk', configuration: 'default')
- implementation "org.jetbrains.kotlin:kotlin-stdlib-jdk7:${versions.kotlin}"
- implementation 'androidx.appcompat:appcompat:1.1.0'
- implementation 'androidx.core:core-ktx:1.1.0'
- implementation 'androidx.constraintlayout:constraintlayout:1.1.3'
- implementation "org.jetbrains.kotlinx:kotlinx-coroutines-core:${versions.coroutines}"
- implementation "org.jetbrains.kotlinx:kotlinx-coroutines-android:${versions.coroutines}"
- testImplementation 'junit:junit:4.12'
- androidTestImplementation 'androidx.test.ext:junit:1.1.1'
- androidTestImplementation 'androidx.test.espresso:espresso-core:3.2.0'
-}
diff --git a/samples/addressAndKeys/app/src/main/AndroidManifest.xml b/samples/addressAndKeys/app/src/main/AndroidManifest.xml
deleted file mode 100644
index dd6f1e4d..00000000
--- a/samples/addressAndKeys/app/src/main/AndroidManifest.xml
+++ /dev/null
@@ -1,22 +0,0 @@
-
-
-
-
-
-
-
-
-
-
-
-
-
-
\ No newline at end of file
diff --git a/samples/addressAndKeys/app/src/main/java/cash/z/wallet/sdk/sample/address/Injection.kt b/samples/addressAndKeys/app/src/main/java/cash/z/wallet/sdk/sample/address/Injection.kt
deleted file mode 100644
index 195cdb9d..00000000
--- a/samples/addressAndKeys/app/src/main/java/cash/z/wallet/sdk/sample/address/Injection.kt
+++ /dev/null
@@ -1,34 +0,0 @@
-package cash.z.wallet.sdk.sample.address
-
-import cash.z.wallet.sdk.jni.RustBackend
-import cash.z.wallet.sdk.jni.RustBackendWelding
-import cash.z.wallet.sdk.secure.Wallet
-import kotlin.properties.ReadOnlyProperty
-import kotlin.properties.ReadWriteProperty
-
-object Injection {
- private val rustBackend: RustBackendWelding = RustBackend()
- private const val dataDbName = "AddressSampleData.db"
-
- fun provideWallet(
- seedProvider: ReadOnlyProperty,
- spendingKeyProvider: ReadWriteProperty
- ): Wallet {
- // simulate new session for each call
- App.instance.getDatabasePath(dataDbName).absoluteFile.delete()
-
- return Wallet(
- context = App.instance,
- birthday = Wallet.loadBirthdayFromAssets(App.instance, 421720),
- rustBackend = provideRustBackend(),
- dataDbName = dataDbName,
- seedProvider = seedProvider,
- spendingKeyProvider = spendingKeyProvider
- )
- }
-
- fun provideRustBackend(): RustBackendWelding {
- return rustBackend
- }
-}
-
diff --git a/samples/addressAndKeys/app/src/main/java/cash/z/wallet/sdk/sample/address/MainActivity.kt b/samples/addressAndKeys/app/src/main/java/cash/z/wallet/sdk/sample/address/MainActivity.kt
deleted file mode 100644
index f7e1a463..00000000
--- a/samples/addressAndKeys/app/src/main/java/cash/z/wallet/sdk/sample/address/MainActivity.kt
+++ /dev/null
@@ -1,65 +0,0 @@
-package cash.z.wallet.sdk.sample.address
-
-import android.os.Bundle
-import android.view.View
-import android.widget.TextView
-import android.widget.Toast
-import androidx.appcompat.app.AppCompatActivity
-import cash.z.wallet.sdk.data.TroubleshootingTwig
-import cash.z.wallet.sdk.data.Twig
-import cash.z.wallet.sdk.ext.SampleSeedProvider
-import cash.z.wallet.sdk.secure.Wallet
-import kotlin.properties.Delegates
-
-/**
- * Sample app that shows how to access the address and spending key.
- */
-class MainActivity : AppCompatActivity() {
- private lateinit var wallet: Wallet
- private lateinit var addressInfo: TextView
-
- // Secure storage is out of scope for this example (wallet makers know how to securely store things)
- // However, any class can implement the required interface for these dependencies. The expectation is that a wallet
- // maker would wrap an existing class with something that implements the property interface to access data. These
- // dependencies would then point to those wrappers.
- private val mockSecureStorage = Delegates.notNull()
- private val mockSecureSeedProvider = SampleSeedProvider("testreferencealice")
-
- override fun onCreate(savedInstanceState: Bundle?) {
- super.onCreate(savedInstanceState)
- setContentView(R.layout.activity_main)
- Twig.plant(TroubleshootingTwig())
-
- addressInfo = findViewById(R.id.text_address_info)
-
- wallet = Injection.provideWallet(mockSecureSeedProvider, mockSecureStorage).also { it.initialize() }
- }
-
- override fun onResume() {
- super.onResume()
- addressInfo.text = createAddressInfo()
- }
-
- private fun createAddressInfo(): String {
- val address = wallet.getAddress()
- val key by mockSecureStorage
- val info = """
- seed:
- ${mockSecureSeedProvider.seedValue}
- --------------------------------------
- address:
- $address
- --------------------------------------
- spendingKey:
- $key
- """.trimIndent()
- return info
- }
-
- fun onTestThings(view: View) {
- // This is a good place to insert some test behavior to try out the SDK in response to a click
- // it may help to add objects to the Injection.kt file
- Toast.makeText(this, "Test SDK behavior", Toast.LENGTH_SHORT).show()
- }
-
-}
diff --git a/samples/addressAndKeys/app/src/main/java/cash/z/wallet/sdk/sample/address/ScopedActivity.kt b/samples/addressAndKeys/app/src/main/java/cash/z/wallet/sdk/sample/address/ScopedActivity.kt
deleted file mode 100644
index 9d578d4c..00000000
--- a/samples/addressAndKeys/app/src/main/java/cash/z/wallet/sdk/sample/address/ScopedActivity.kt
+++ /dev/null
@@ -1,26 +0,0 @@
-package cash.z.wallet.sdk.sample.address
-
-import android.os.Bundle
-import androidx.appcompat.app.AppCompatActivity
-import kotlinx.coroutines.CoroutineScope
-import kotlinx.coroutines.Dispatchers
-import kotlinx.coroutines.Job
-import kotlin.coroutines.CoroutineContext
-
-open class ScopedActivity : AppCompatActivity(), CoroutineScope {
- private lateinit var job: Job
-
- override val coroutineContext: CoroutineContext
- get() = job + Dispatchers.Main
-
- override fun onCreate(savedInstanceState: Bundle?) {
- job = Job()
- super.onCreate(savedInstanceState)
- }
-
- override fun onDestroy() {
- super.onDestroy()
- job.cancel()
- }
-
-}
diff --git a/samples/addressAndKeys/app/src/main/res/drawable-v24/ic_launcher_foreground.xml b/samples/addressAndKeys/app/src/main/res/drawable-v24/ic_launcher_foreground.xml
deleted file mode 100644
index 6348baae..00000000
--- a/samples/addressAndKeys/app/src/main/res/drawable-v24/ic_launcher_foreground.xml
+++ /dev/null
@@ -1,34 +0,0 @@
-
-
-
-
- - @color/colorAccent
+
+
+
+
+
+
diff --git a/samples/demo-app/app/src/test/java/cash/z/wallet/sdk/sample/demoapp/ExampleUnitTest.kt b/samples/demo-app/app/src/test/java/cash/z/wallet/sdk/sample/demoapp/ExampleUnitTest.kt
new file mode 100644
index 00000000..a205be47
--- /dev/null
+++ b/samples/demo-app/app/src/test/java/cash/z/wallet/sdk/sample/demoapp/ExampleUnitTest.kt
@@ -0,0 +1,17 @@
+package cash.z.wallet.sdk.sample.demoapp
+
+import org.junit.Test
+
+import org.junit.Assert.*
+
+/**
+ * Example local unit test, which will execute on the development machine (host).
+ *
+ * See [testing documentation](http://d.android.com/tools/testing).
+ */
+class ExampleUnitTest {
+ @Test
+ fun addition_isCorrect() {
+ assertEquals(4, 2 + 2)
+ }
+}
diff --git a/samples/demo-app/build.gradle b/samples/demo-app/build.gradle
new file mode 100644
index 00000000..600e706b
--- /dev/null
+++ b/samples/demo-app/build.gradle
@@ -0,0 +1,34 @@
+// Top-level build file where you can add configuration options common to all sub-projects/modules.
+
+
+
+buildscript {
+ ext.kotlin_version = '1.3.50'
+ ext.sdk_version = '1.0.0-alpha03'
+ repositories {
+ google ()
+ jcenter()
+ }
+ dependencies {
+ classpath 'com.android.tools.build:gradle:3.6.0-beta01'
+ classpath"org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version"
+ // NOTE: Do not place your application dependencies here; they belong
+ // in the individual module build.gradle files
+ classpath 'androidx.navigation:navigation-safe-args-gradle-plugin:2.0.0'
+ }
+}
+
+allprojects {
+ repositories {
+// mavenLocal()
+// flatDir {
+// dirs 'libs'
+// }
+ google()
+ jcenter()
+ }
+}
+
+task clean(type: Delete) {
+ delete rootProject.buildDir
+}
diff --git a/samples/addressAndKeys/gradle.properties b/samples/demo-app/gradle.properties
similarity index 100%
rename from samples/addressAndKeys/gradle.properties
rename to samples/demo-app/gradle.properties
diff --git a/samples/addressAndKeys/gradle/wrapper/gradle-wrapper.jar b/samples/demo-app/gradle/wrapper/gradle-wrapper.jar
similarity index 100%
rename from samples/addressAndKeys/gradle/wrapper/gradle-wrapper.jar
rename to samples/demo-app/gradle/wrapper/gradle-wrapper.jar
diff --git a/samples/addressAndKeys/gradle/wrapper/gradle-wrapper.properties b/samples/demo-app/gradle/wrapper/gradle-wrapper.properties
similarity index 87%
rename from samples/addressAndKeys/gradle/wrapper/gradle-wrapper.properties
rename to samples/demo-app/gradle/wrapper/gradle-wrapper.properties
index 7cdf0d3e..e20b905f 100644
--- a/samples/addressAndKeys/gradle/wrapper/gradle-wrapper.properties
+++ b/samples/demo-app/gradle/wrapper/gradle-wrapper.properties
@@ -1,4 +1,4 @@
-#Sat Jun 08 14:45:29 EDT 2019
+#Mon Sep 30 13:00:06 MDT 2019
distributionBase=GRADLE_USER_HOME
distributionPath=wrapper/dists
zipStoreBase=GRADLE_USER_HOME
diff --git a/samples/addressAndKeys/gradlew b/samples/demo-app/gradlew
similarity index 100%
rename from samples/addressAndKeys/gradlew
rename to samples/demo-app/gradlew
diff --git a/samples/addressAndKeys/gradlew.bat b/samples/demo-app/gradlew.bat
similarity index 100%
rename from samples/addressAndKeys/gradlew.bat
rename to samples/demo-app/gradlew.bat
diff --git a/samples/memo/settings.gradle b/samples/demo-app/settings.gradle
similarity index 76%
rename from samples/memo/settings.gradle
rename to samples/demo-app/settings.gradle
index d8755053..6e8238d4 100644
--- a/samples/memo/settings.gradle
+++ b/samples/demo-app/settings.gradle
@@ -1,3 +1,3 @@
include ':app', ":sdk"
project(":sdk").projectDir = file("../../../zcash-android-wallet-sdk")
-rootProject.name='Zcash Memo'
+rootProject.name='Demo App'
diff --git a/samples/memo/.gitignore b/samples/memo/.gitignore
deleted file mode 100644
index 603b1407..00000000
--- a/samples/memo/.gitignore
+++ /dev/null
@@ -1,14 +0,0 @@
-*.iml
-.gradle
-/local.properties
-/.idea/caches
-/.idea/libraries
-/.idea/modules.xml
-/.idea/workspace.xml
-/.idea/navEditor.xml
-/.idea/assetWizardSettings.xml
-.DS_Store
-/build
-/captures
-.externalNativeBuild
-.cxx
diff --git a/samples/memo/app/.gitignore b/samples/memo/app/.gitignore
deleted file mode 100644
index 796b96d1..00000000
--- a/samples/memo/app/.gitignore
+++ /dev/null
@@ -1 +0,0 @@
-/build
diff --git a/samples/memo/app/build.gradle b/samples/memo/app/build.gradle
deleted file mode 100644
index 8eb1df0f..00000000
--- a/samples/memo/app/build.gradle
+++ /dev/null
@@ -1,39 +0,0 @@
-apply plugin: 'com.android.application'
-
-apply plugin: 'kotlin-android'
-
-apply plugin: 'kotlin-android-extensions'
-
-android {
- compileSdkVersion 29
- defaultConfig {
- applicationId "cash.z.wallet.sdk.sample.memo"
- minSdkVersion 21
- targetSdkVersion 29
- versionCode 1
- versionName "1.0"
- testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
- missingDimensionStrategy "network", "zcashtestnet"
- }
- buildTypes {
- release {
- minifyEnabled false
- proguardFiles getDefaultProguardFile('proguard-android-optimize.txt'), 'proguard-rules.pro'
- matchingFallbacks = ['zcashtestnetRelease']
- }
- }
-}
-
-dependencies {
- implementation project(path: ':sdk', configuration: 'default')
- implementation "org.jetbrains.kotlin:kotlin-stdlib-jdk7:${versions.kotlin}"
- implementation 'androidx.appcompat:appcompat:1.1.0'
- implementation 'androidx.core:core-ktx:1.1.0'
- implementation 'androidx.constraintlayout:constraintlayout:1.1.3'
- implementation "org.jetbrains.kotlinx:kotlinx-coroutines-core:${versions.coroutines}"
- implementation "org.jetbrains.kotlinx:kotlinx-coroutines-android:${versions.coroutines}"
- testImplementation 'junit:junit:4.12'
- androidTestImplementation 'androidx.test.ext:junit:1.1.1'
- androidTestImplementation 'androidx.test.espresso:espresso-core:3.2.0'
- implementation project(path: ':sdk')
-}
diff --git a/samples/memo/app/proguard-rules.pro b/samples/memo/app/proguard-rules.pro
deleted file mode 100644
index f1b42451..00000000
--- a/samples/memo/app/proguard-rules.pro
+++ /dev/null
@@ -1,21 +0,0 @@
-# Add project specific ProGuard rules here.
-# You can control the set of applied configuration files using the
-# proguardFiles setting in build.gradle.
-#
-# For more details, see
-# http://developer.android.com/guide/developing/tools/proguard.html
-
-# If your project uses WebView with JS, uncomment the following
-# and specify the fully qualified class name to the JavaScript interface
-# class:
-#-keepclassmembers class fqcn.of.javascript.interface.for.webview {
-# public *;
-#}
-
-# Uncomment this to preserve the line number information for
-# debugging stack traces.
-#-keepattributes SourceFile,LineNumberTable
-
-# If you keep the line number information, uncomment this to
-# hide the original source file name.
-#-renamesourcefileattribute SourceFile
diff --git a/samples/memo/app/src/main/AndroidManifest.xml b/samples/memo/app/src/main/AndroidManifest.xml
deleted file mode 100644
index 09231ef6..00000000
--- a/samples/memo/app/src/main/AndroidManifest.xml
+++ /dev/null
@@ -1,21 +0,0 @@
-
-
-
-
-
-
-
-
-
-
-
-
-
-
\ No newline at end of file
diff --git a/samples/memo/app/src/main/java/cash/z/wallet/sdk/sample/memo/Injection.kt b/samples/memo/app/src/main/java/cash/z/wallet/sdk/sample/memo/Injection.kt
deleted file mode 100644
index 8d10221e..00000000
--- a/samples/memo/app/src/main/java/cash/z/wallet/sdk/sample/memo/Injection.kt
+++ /dev/null
@@ -1,65 +0,0 @@
-package cash.z.wallet.sdk.sample.memo
-
-import android.content.Context
-import cash.z.wallet.sdk.block.CompactBlockDbStore
-import cash.z.wallet.sdk.block.CompactBlockDownloader
-import cash.z.wallet.sdk.block.CompactBlockProcessor
-import cash.z.wallet.sdk.block.ProcessorConfig
-import cash.z.wallet.sdk.data.*
-import cash.z.wallet.sdk.ext.SampleSeedProvider
-import cash.z.wallet.sdk.ext.SimpleProvider
-import cash.z.wallet.sdk.jni.RustBackend
-import cash.z.wallet.sdk.secure.Wallet
-import cash.z.wallet.sdk.service.LightWalletGrpcService
-
-object Injection {
- private const val host: String = "34.68.177.238"
- private const val port: Int = 9067
- private const val cacheDbName = "memos-cache.db"
- private const val dataDbName = "memos-data.db"
- private val rustBackend = RustBackend()
-
- fun provideSynchronizer(appContext: Context): Synchronizer {
-
- // ledger
- val ledger = PollingTransactionRepository(appContext, dataDbName)
-
- // sender
- val manager = PersistentTransactionManager(appContext)
- val service = LightWalletGrpcService(appContext, host, port)
- val sender = PersistentTransactionSender(manager, service, ledger)
-
- // processor
- val config = ProcessorConfig(cacheDbName.toDbPath(appContext), dataDbName.toDbPath(appContext))
- val blockStore = CompactBlockDbStore(appContext, cacheDbName)
- val downloader = CompactBlockDownloader(service, blockStore)
- val processor = CompactBlockProcessor(config, downloader, ledger, rustBackend)
-
- // wrapper for rustbackend
- val wallet = Wallet(
- context = appContext,
- birthday = Wallet.loadBirthdayFromAssets(appContext, 421720),
- rustBackend = rustBackend,
- dataDbName = dataDbName,
- seedProvider = SampleSeedProvider("testreferencecarol"),
- spendingKeyProvider = SimpleProvider("dummyValue")
- )
-
- // Encoder
- val encoder = WalletTransactionEncoder(wallet, ledger)
-
- // ties everything together
- return SdkSynchronizer(
- wallet,
- ledger,
- sender,
- processor,
- encoder
- )
- }
-
- private fun String.toDbPath(context: Context): String {
- return context.getDatabasePath(this).absolutePath
- }
-}
-
diff --git a/samples/memo/app/src/main/java/cash/z/wallet/sdk/sample/memo/MainActivity.kt b/samples/memo/app/src/main/java/cash/z/wallet/sdk/sample/memo/MainActivity.kt
deleted file mode 100644
index b8ad46b4..00000000
--- a/samples/memo/app/src/main/java/cash/z/wallet/sdk/sample/memo/MainActivity.kt
+++ /dev/null
@@ -1,139 +0,0 @@
-package cash.z.wallet.sdk.sample.memo
-
-import android.annotation.SuppressLint
-import android.os.Bundle
-import android.view.View
-import android.view.inputmethod.InputMethodManager
-import androidx.core.content.getSystemService
-import cash.z.wallet.sdk.data.*
-import cash.z.wallet.sdk.ext.convertZatoshiToZec
-import cash.z.wallet.sdk.secure.Wallet
-import kotlinx.android.synthetic.main.activity_main.*
-import kotlinx.coroutines.CoroutineScope
-import kotlinx.coroutines.Job
-import kotlinx.coroutines.cancel
-import kotlinx.coroutines.channels.ReceiveChannel
-import kotlinx.coroutines.launch
-import kotlin.properties.Delegates
-import kotlin.properties.Delegates.observable
-import kotlin.reflect.KProperty
-
-class MainActivity : ScopedActivity() {
-
- private lateinit var synchronizer: Synchronizer
- private var activeTransaction: TransactionInfo = TransactionInfo()
- private var loaded: Boolean by observable(false) {_, old: Boolean, new: Boolean ->
- if (!old && new) {
- launch {
- onBalance(synchronizer.lastBalance())
- }
- }
- }
-
- override fun onCreate(savedInstanceState: Bundle?) {
- super.onCreate(savedInstanceState)
- setContentView(R.layout.activity_main)
-
- // Turn on simple logging for debug builds
- Twig.plant(TroubleshootingTwig())
-
- synchronizer = Injection.provideSynchronizer(this.applicationContext)
- synchronizer.start(this)
-
- launchProgressMonitor(synchronizer.progress())
- launchBalanceMonitor(synchronizer.balances())
- }
-
- override fun onDestroy() {
- super.onDestroy()
- cancel()
- synchronizer.stop()
- }
-
- private fun CoroutineScope.launchProgressMonitor(channel: ReceiveChannel) = launch {
- for (i in channel) {
- onProgress(i)
- }
- }
-
-// private fun CoroutineScope.launchTransactionMonitor(channel: ReceiveChannel>) = launch {
-// for (i in channel) {
-// onUpdate(i)
-// }
-// }
-
- private fun CoroutineScope.launchBalanceMonitor(channel: ReceiveChannel) = launch {
- for (i in channel) {
- onBalance(i)
- }
- }
-
- @SuppressLint("SetTextI18n")
- private fun onBalance(balanceInfo: Wallet.WalletBalance) {
- text_status.text = "Available Balance: ${balanceInfo.available.convertZatoshiToZec()} TAZ" +
- "\nTotal Balance: ${balanceInfo.available.convertZatoshiToZec()} TAZ"
- }
-
- private fun onProgress(progress: Int) {
- twig("Launching - onProgress $progress")
- launch {
- val isComplete = progress == 100
- val status = when {
- isComplete -> "".also { loaded = true }
- progress > 90 -> "Synchronizing...finishing up"
- else -> "Synchronizing...\t$progress%"
- }
- text_progress.text = status
- button_send.isEnabled = isComplete
- }
- }
-
-// private fun onUpdate(transactions: Map) {
-// if (transactions.isNotEmpty()) {
-// // primary is the last one that was inserted
-// val primaryEntry =
-// transactions.entries.toTypedArray()[transactions.size - 1]
-// updatePrimaryTransaction(primaryEntry.key, primaryEntry.value)
-// }
-// }
-
-// private fun updatePrimaryTransaction(transaction: ActiveTransaction,
-// transactionState: TransactionState) {
-// val status = transactionState.toString()
-// text_status.text = "Memo Sent!\nAwaiting confirmation...\nstatus: $status"
-// }
-
- fun onSendMemo(v: View) {
-// launchTransactionMonitor(synchronizer.activeTransactions())
-
- activeTransaction = TransactionInfo(memo = input_memo.text.toString())
-
- launch {
- synchronizer.sendToAddress(
- activeTransaction.amount,
- activeTransaction.toAddress,
- activeTransaction.memo
- )
- }
-
- button_send.isEnabled = false
- text_status.text = "Memo Sent!\nAwaiting confirmation..."
- input_memo.text = null
- input_memo.clearFocus()
- hideKeyboard()
- }
-
- private fun hideKeyboard() {
- getSystemService()
- ?.hideSoftInputFromWindow(window.decorView.rootView.windowToken,
- InputMethodManager.HIDE_NOT_ALWAYS)
- }
-
- data class TransactionInfo(
- val amount: Long = 20_000L,
- // reference wallet : Carol
- val toAddress: String = "ztestsapling1efxqj5256ywqdc3zntfa0hw6yn4f83k2h7fgngwmxr3h3w7zyd" +
- "lencvh30730ez6p8fwg56htgz",
- val memo: String = "sample memo"
- )
-}
diff --git a/samples/memo/app/src/main/java/cash/z/wallet/sdk/sample/memo/ScopedActivity.kt b/samples/memo/app/src/main/java/cash/z/wallet/sdk/sample/memo/ScopedActivity.kt
deleted file mode 100644
index 83eaf007..00000000
--- a/samples/memo/app/src/main/java/cash/z/wallet/sdk/sample/memo/ScopedActivity.kt
+++ /dev/null
@@ -1,26 +0,0 @@
-package cash.z.wallet.sdk.sample.memo
-
-import android.os.Bundle
-import androidx.appcompat.app.AppCompatActivity
-import kotlinx.coroutines.CoroutineScope
-import kotlinx.coroutines.Dispatchers
-import kotlinx.coroutines.Job
-import kotlin.coroutines.CoroutineContext
-
-open class ScopedActivity : AppCompatActivity(), CoroutineScope {
- private lateinit var job: Job
-
- override val coroutineContext: CoroutineContext
- get() = job + Dispatchers.Main
-
- override fun onCreate(savedInstanceState: Bundle?) {
- job = Job()
- super.onCreate(savedInstanceState)
- }
-
- override fun onDestroy() {
- super.onDestroy()
- job.cancel()
- }
-
-}
diff --git a/samples/memo/app/src/main/res/drawable-v24/ic_launcher_foreground.xml b/samples/memo/app/src/main/res/drawable-v24/ic_launcher_foreground.xml
deleted file mode 100644
index 6348baae..00000000
--- a/samples/memo/app/src/main/res/drawable-v24/ic_launcher_foreground.xml
+++ /dev/null
@@ -1,34 +0,0 @@
-
-
-
-
-