Added the ability to display seed words at any time.

Closes: #13

app/src/main/java/cash/z/ecc/android/ext/LifeCycleOwner.kt

@@ -0,0 +1,14 @@
+package cash.z.ecc.android.ext
+
+import android.view.View
+import androidx.lifecycle.LifecycleOwner
+import androidx.lifecycle.lifecycleScope
+import kotlinx.coroutines.flow.debounce
+import kotlinx.coroutines.flow.launchIn
+import kotlinx.coroutines.flow.onEach
+
+fun <T: View> LifecycleOwner.onClick(view: T, throttle: Long = 250L, block: (T) -> Unit) {
+    view.clicks().debounce(throttle).onEach {
+        block(view)
+    }.launchIn(this.lifecycleScope)
+}

app/src/main/java/cash/z/ecc/android/ui/detail/WalletDetailFragment.kt

@@ -5,9 +5,11 @@ import android.os.Bundle
 import android.view.LayoutInflater
 import android.view.View
 import androidx.lifecycle.lifecycleScope
+import cash.z.ecc.android.R
 import cash.z.ecc.android.databinding.FragmentDetailBinding
 import cash.z.ecc.android.di.annotation.FragmentScope
 import cash.z.ecc.android.ext.clicks
+import cash.z.ecc.android.ext.onClick
 import cash.z.ecc.android.ext.onClickNavUp
 import cash.z.ecc.android.feedback.FeedbackFile
 import cash.z.ecc.android.ui.base.BaseFragment
@@ -27,9 +29,16 @@ class WalletDetailFragment : BaseFragment<FragmentDetailBinding>() {
     override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
         super.onViewCreated(view, savedInstanceState)
         binding.backButtonHitArea.onClickNavUp()
-        binding.buttonLogs.clicks().debounce(250L).onEach {
+        onClick(binding.buttonLogs) {
             onViewFeedback()
-        }.launchIn(lifecycleScope)
+        }
+        onClick(binding.buttonBackup, 1L) {
+            onBackupWallet()
+        }
+    }
+
+    private fun onBackupWallet() {
+        mainActivity?.navController?.navigate(R.id.action_nav_detail_to_backup_wallet)
     }
 
     private fun onViewFeedback() {

app/src/main/java/cash/z/ecc/android/ui/setup/BackupFragment.kt

@@ -1,5 +1,6 @@
 package cash.z.ecc.android.ui.setup
 
+import android.content.Context
 import android.os.Bundle
 import android.text.SpannableString
 import android.text.Spanned
@@ -7,19 +8,34 @@ import android.view.LayoutInflater
 import android.view.View
 import android.widget.TextView
 import android.widget.Toast
+import androidx.fragment.app.activityViewModels
+import androidx.lifecycle.ViewModelProvider
+import androidx.lifecycle.lifecycleScope
 import cash.z.ecc.android.R
 import cash.z.ecc.android.ZcashWalletApp
 import cash.z.ecc.android.databinding.FragmentBackupBinding
 import cash.z.ecc.android.di.annotation.FragmentScope
+import cash.z.ecc.android.ext.onClick
 import cash.z.ecc.android.lockbox.LockBox
 import cash.z.ecc.android.ui.base.BaseFragment
 import cash.z.ecc.android.ui.setup.WalletSetupViewModel.LockBoxKey
+import cash.z.ecc.android.ui.setup.WalletSetupViewModel.WalletSetupState.SEED_WITHOUT_BACKUP
+import cash.z.ecc.android.ui.setup.WalletSetupViewModel.WalletSetupState.SEED_WITH_BACKUP
 import cash.z.ecc.android.ui.util.AddressPartNumberSpan
 import cash.z.ecc.kotlin.mnemonic.Mnemonics
 import dagger.Module
 import dagger.android.ContributesAndroidInjector
+import kotlinx.coroutines.flow.launchIn
+import kotlinx.coroutines.flow.onEach
+import javax.inject.Inject
 
 class BackupFragment : BaseFragment<FragmentBackupBinding>() {
+    @Inject
+    lateinit var viewModelFactory: ViewModelProvider.Factory
+
+    private val walletSetup: WalletSetupViewModel by activityViewModels { viewModelFactory }
+
+    private var hasBackUp: Boolean? = null
 
     override fun inflate(inflater: LayoutInflater): FragmentBackupBinding =
         FragmentBackupBinding.inflate(inflater)
@@ -41,10 +57,25 @@ class BackupFragment : BaseFragment<FragmentBackupBinding>() {
         binding.buttonPositive.setOnClickListener {
             onEnterWallet()
         }
+        if (hasBackUp == true) {
+            binding.buttonPositive.text = "Done"
+        }
+    }
+    override fun onAttach(context: Context) {
+        super.onAttach(context)
+        walletSetup.checkSeed().onEach {
+            when(it) {
+                SEED_WITH_BACKUP -> {
+                    hasBackUp = true
+                }
+            }
+        }.launchIn(lifecycleScope)
     }
 
     private fun onEnterWallet() {
-        Toast.makeText(activity, "Backup verification coming soon! For now, enjoy your new wallet!", Toast.LENGTH_LONG).show()
+        if (hasBackUp != true) {
+            Toast.makeText(activity, "Backup verification coming soon!", Toast.LENGTH_LONG).show()
+        }
         mainActivity?.navController?.popBackStack(R.id.wallet_setup_navigation, true)
     }
 

app/src/main/java/cash/z/ecc/android/ui/setup/LandingFragment.kt

@@ -1,11 +1,13 @@
 package cash.z.ecc.android.ui.setup
 
+import android.content.Context
 import android.os.Bundle
 import android.view.LayoutInflater
 import android.view.View
 import android.widget.Toast
 import androidx.fragment.app.activityViewModels
 import androidx.lifecycle.ViewModelProvider
+import androidx.lifecycle.lifecycleScope
 import cash.z.ecc.android.R
 import cash.z.ecc.android.ZcashWalletApp
 import cash.z.ecc.android.databinding.FragmentLandingBinding
@@ -16,9 +18,13 @@ import cash.z.ecc.android.isEmulator
 import cash.z.ecc.android.lockbox.LockBox
 import cash.z.ecc.android.ui.base.BaseFragment
 import cash.z.ecc.android.ui.setup.WalletSetupViewModel.LockBoxKey
+import cash.z.ecc.android.ui.setup.WalletSetupViewModel.WalletSetupState.SEED_WITHOUT_BACKUP
+import cash.z.ecc.android.ui.setup.WalletSetupViewModel.WalletSetupState.SEED_WITH_BACKUP
 import cash.z.ecc.kotlin.mnemonic.Mnemonics
 import dagger.Module
 import dagger.android.ContributesAndroidInjector
+import kotlinx.coroutines.flow.launchIn
+import kotlinx.coroutines.flow.onEach
 import javax.inject.Inject
 
 class LandingFragment : BaseFragment<FragmentLandingBinding>() {
@@ -47,6 +53,17 @@ class LandingFragment : BaseFragment<FragmentLandingBinding>() {
             }
         }
     }
+    override fun onAttach(context: Context) {
+        super.onAttach(context)
+
+        walletSetup.checkSeed().onEach {
+            when(it) {
+                SEED_WITHOUT_BACKUP, SEED_WITH_BACKUP -> {
+                    mainActivity?.navController?.navigate(R.id.nav_backup)
+                }
+            }
+        }.launchIn(lifecycleScope)
+    }
 
     private fun onSkip(count: Int) {
         when (count) {

app/src/main/res/layout/fragment_detail.xml

@@ -68,14 +68,13 @@
         app:layout_constraintVertical_bias="0.045" />
 
     <TextView
+        android:id="@+id/button_backup"
         android:layout_width="wrap_content"
         android:layout_height="wrap_content"
-        android:text="WALLET DETAIL"
+        android:text="Backup\nWallet"
         android:textColor="@color/text_light"
-        app:layout_constraintBottom_toBottomOf="parent"
-        app:layout_constraintEnd_toEndOf="parent"
-        app:layout_constraintStart_toStartOf="parent"
-        app:layout_constraintTop_toTopOf="parent" />
+        app:layout_constraintEnd_toEndOf="@id/guieline_keyline_end"
+        app:layout_constraintTop_toTopOf="@id/back_button" />
 
     <View
         android:id="@+id/text_banner_message"

app/src/main/res/navigation/mobile_navigation.xml

@@ -37,7 +37,11 @@
     <fragment
         android:id="@+id/nav_detail"
         android:name="cash.z.ecc.android.ui.detail.WalletDetailFragment"
-        tools:layout="@layout/fragment_detail" />
+        tools:layout="@layout/fragment_detail" >
+        <action
+            android:id="@+id/action_nav_detail_to_backup_wallet"
+            app:destination="@id/wallet_setup_navigation" />
+    </fragment>
 
     <include app:graph="@navigation/wallet_setup_navigation" />