Added configuration to support QR scanning.

app/build.gradle

@@ -4,6 +4,7 @@ apply plugin: 'com.android.application'
 apply plugin: 'kotlin-android'
 apply plugin: 'kotlin-android-extensions'
 apply plugin: 'kotlin-kapt'
+apply plugin: 'com.google.gms.google-services'
 //apply plugin: 'com.github.ben-manes.versions'
 
 archivesBaseName = 'zcash-android-wallet'
@@ -135,6 +136,14 @@ dependencies {
 
     implementation 'com.mixpanel.android:mixpanel-android:5.6.3'
 
+    // QR Scanning
+    implementation 'com.google.firebase:firebase-ml-vision:24.0.1'
+    implementation 'androidx.camera:camera-core:1.0.0-alpha08'
+    implementation 'androidx.camera:camera-camera2:1.0.0-alpha08'
+    implementation "androidx.camera:camera-view:1.0.0-alpha05"
+    implementation "androidx.camera:camera-extensions:1.0.0-alpha05"
+    implementation "androidx.camera:camera-lifecycle:1.0.0-alpha02"
+
     // Tests
 
     implementation 'androidx.legacy:legacy-support-v4:1.0.0'

app/src/main/AndroidManifest.xml

@@ -3,6 +3,7 @@
     package="cash.z.ecc.android">
 
     <uses-permission android:name="android.permission.VIBRATE"/>
+    <uses-permission android:name="android.permission.CAMERA" />
 
     <application
         android:name="cash.z.ecc.android.ZcashWalletApp"
@@ -19,6 +20,9 @@
             </intent-filter>
         </activity>
 
+        <!-- Firebase options -->
+        <meta-data android:name="com.google.firebase.ml.vision.DEPENDENCIES" android:value="barcode" />
+
         <!-- Mixpanel options -->
         <meta-data android:name="com.mixpanel.android.MPConfig.AutoShowMixpanelUpdates" android:value="false" />
         <meta-data android:name="com.mixpanel.android.MPConfig.EnableDebugLogging" android:value="false" />

app/src/main/java/cash/z/ecc/android/ZcashWalletApp.kt

@@ -3,6 +3,8 @@ package cash.z.ecc.android
 import android.app.Application
 import android.content.Context
 import android.os.Build
+import androidx.camera.camera2.Camera2Config
+import androidx.camera.core.CameraXConfig
 import cash.z.ecc.android.di.component.AppComponent
 import cash.z.ecc.android.di.component.DaggerAppComponent
 import cash.z.wallet.sdk.ext.TroubleshootingTwig
@@ -10,7 +12,7 @@ import cash.z.wallet.sdk.ext.Twig
 import cash.z.wallet.sdk.ext.twig
 
 
-class ZcashWalletApp : Application() {
+class ZcashWalletApp : Application(), CameraXConfig.Provider {
 
     var creationTime: Long = 0
         private set
@@ -33,6 +35,10 @@ class ZcashWalletApp : Application() {
 //        MultiDex.install(this)
     }
 
+    override fun getCameraXConfig(): CameraXConfig {
+        return Camera2Config.defaultConfig()
+    }
+
     companion object {
         lateinit var instance: ZcashWalletApp
         lateinit var component: AppComponent

app/src/main/java/cash/z/ecc/android/di/module/ViewModelsSynchronizerModule.kt

@@ -9,6 +9,7 @@ import cash.z.ecc.android.di.viewmodel.ViewModelFactory
 import cash.z.ecc.android.ui.detail.WalletDetailViewModel
 import cash.z.ecc.android.ui.home.HomeViewModel
 import cash.z.ecc.android.ui.receive.ReceiveViewModel
+import cash.z.ecc.android.ui.scan.ScanViewModel
 import cash.z.ecc.android.ui.send.SendViewModel
 import dagger.Binds
 import dagger.Module
@@ -44,6 +45,11 @@ abstract class ViewModelsSynchronizerModule {
     @ViewModelKey(ReceiveViewModel::class)
     abstract fun bindReceiveViewModel(implementation: ReceiveViewModel): ViewModel
 
+    @SynchronizerScope
+    @Binds
+    @IntoMap
+    @ViewModelKey(ScanViewModel::class)
+    abstract fun bindScanViewModel(implementation: ScanViewModel): ViewModel
 
     /**
      * Factory for view models that are not created until the Synchronizer exists. Only VMs that

app/src/main/java/cash/z/ecc/android/ui/send/SendConfirmFragment.kt

@@ -6,6 +6,7 @@ import android.view.View
 import androidx.lifecycle.lifecycleScope
 import cash.z.ecc.android.R
 import cash.z.ecc.android.databinding.FragmentSendConfirmBinding
+import cash.z.ecc.android.di.viewmodel.activityViewModel
 import cash.z.ecc.android.di.viewmodel.viewModel
 import cash.z.ecc.android.ext.goneIf
 import cash.z.ecc.android.ext.onClickNavBack
@@ -16,7 +17,7 @@ import kotlinx.coroutines.launch
 
 class SendConfirmFragment : BaseFragment<FragmentSendConfirmBinding>() {
 
-    val sendViewModel: SendViewModel by viewModel()
+    val sendViewModel: SendViewModel by activityViewModel()
 
     override fun inflate(inflater: LayoutInflater): FragmentSendConfirmBinding =
         FragmentSendConfirmBinding.inflate(inflater)

app/src/main/java/cash/z/ecc/android/ui/send/SendFinalFragment.kt

@@ -7,6 +7,7 @@ import android.view.View
 import androidx.lifecycle.lifecycleScope
 import cash.z.ecc.android.R
 import cash.z.ecc.android.databinding.FragmentSendFinalBinding
+import cash.z.ecc.android.di.viewmodel.activityViewModel
 import cash.z.ecc.android.di.viewmodel.viewModel
 import cash.z.ecc.android.ext.goneIf
 import cash.z.ecc.android.ui.base.BaseFragment
@@ -22,7 +23,7 @@ import kotlin.random.Random
 
 class SendFinalFragment : BaseFragment<FragmentSendFinalBinding>() {
 
-    val sendViewModel: SendViewModel by viewModel()
+    val sendViewModel: SendViewModel by activityViewModel()
 
     override fun inflate(inflater: LayoutInflater): FragmentSendFinalBinding =
         FragmentSendFinalBinding.inflate(inflater)

app/src/main/java/cash/z/ecc/android/ui/send/SendMemoFragment.kt

@@ -6,13 +6,14 @@ import android.view.View
 import android.view.inputmethod.EditorInfo
 import cash.z.ecc.android.R
 import cash.z.ecc.android.databinding.FragmentSendMemoBinding
+import cash.z.ecc.android.di.viewmodel.activityViewModel
 import cash.z.ecc.android.di.viewmodel.viewModel
 import cash.z.ecc.android.ext.onClickNavBack
 import cash.z.ecc.android.ui.base.BaseFragment
 
 class SendMemoFragment : BaseFragment<FragmentSendMemoBinding>() {
 
-    val sendViewModel: SendViewModel by viewModel()
+    val sendViewModel: SendViewModel by activityViewModel()
 
     override fun inflate(inflater: LayoutInflater): FragmentSendMemoBinding =
         FragmentSendMemoBinding.inflate(inflater)

build.gradle

@@ -6,7 +6,8 @@ buildscript {
         jcenter()
     }
     dependencies {
-        classpath 'com.android.tools.build:gradle:3.6.0-beta04'
+        classpath 'com.android.tools.build:gradle:3.6.0-rc01'
+        classpath 'com.google.gms:google-services:4.3.3'
         classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:${Deps.kotlinVersion}"
     }
 }

gradle/wrapper/gradle-wrapper.properties

@@ -1,6 +1,6 @@
-#Sun Nov 24 16:57:24 EST 2019
+#Tue Jan 07 12:00:21 EST 2020
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-5.6.1-all.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-5.6.4-all.zip