[wallet] Show FAB also in transaction list when having more than one currency

6 files changed, 44 insertions, 24 deletions

diff --git a/wallet/src/main/java/net/taler/wallet/MainActivity.kt b/wallet/src/main/java/net/taler/wallet/MainActivity.kt
index baf0609..0e04f44 100644
--- a/wallet/src/main/java/net/taler/wallet/MainActivity.kt
+++ b/wallet/src/main/java/net/taler/wallet/MainActivity.kt
@@ -94,19 +94,19 @@ class MainActivity : AppCompatActivity(), OnNavigationItemSelectedListener,
         )
         ui.content.toolbar.setupWithNavController(nav, appBarConfiguration)
 
-        model.showProgressBar.observe(this, { show ->
+        model.showProgressBar.observe(this) { show ->
             ui.content.progressBar.visibility = if (show) VISIBLE else INVISIBLE
-        })
+        }
 
         val versionView: TextView = ui.navView.getHeaderView(0).findViewById(R.id.versionView)
-        model.devMode.observe(this, { enabled ->
+        model.devMode.observe(this) { enabled ->
             ui.navView.menu.findItem(R.id.nav_dev).isVisible = enabled
             if (enabled) {
                 @SuppressLint("SetTextI18n")
                 versionView.text = "$VERSION_NAME ($VERSION_CODE)"
                 versionView.visibility = VISIBLE
             } else versionView.visibility = GONE
-        })
+        }
 
         if (intent.action == ACTION_VIEW) intent.dataString?.let { uri ->
             handleTalerUri(uri, "intent")
diff --git a/wallet/src/main/java/net/taler/wallet/MainFragment.kt b/wallet/src/main/java/net/taler/wallet/MainFragment.kt
index 1479bc0..6c84925 100644
--- a/wallet/src/main/java/net/taler/wallet/MainFragment.kt
+++ b/wallet/src/main/java/net/taler/wallet/MainFragment.kt
@@ -43,16 +43,16 @@ class MainFragment : Fragment() {
     override fun onCreateView(
         inflater: LayoutInflater,
         container: ViewGroup?,
-        savedInstanceState: Bundle?
-    ): View? {
+        savedInstanceState: Bundle?,
+    ): View {
         ui = FragmentMainBinding.inflate(inflater, container, false)
         return ui.root
     }
 
     override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
-        model.balances.observe(viewLifecycleOwner, {
+        model.balances.observe(viewLifecycleOwner) {
             onBalancesChanged(it)
-        })
+        }
         model.transactionsEvent.observe(viewLifecycleOwner, EventObserver { currency ->
             // we only need to navigate to a dedicated list, when in multi-currency mode
             if (currencyMode == MULTI) {
diff --git a/wallet/src/main/java/net/taler/wallet/balances/BalancesFragment.kt b/wallet/src/main/java/net/taler/wallet/balances/BalancesFragment.kt
index afd9a23..c1be674 100644
--- a/wallet/src/main/java/net/taler/wallet/balances/BalancesFragment.kt
+++ b/wallet/src/main/java/net/taler/wallet/balances/BalancesFragment.kt
@@ -48,7 +48,7 @@ class BalancesFragment : Fragment(),
         inflater: LayoutInflater,
         container: ViewGroup?,
         savedInstanceState: Bundle?
-    ): View? {
+    ): View {
         ui = FragmentBalancesBinding.inflate(inflater, container, false)
         return ui.root
     }
@@ -59,9 +59,9 @@ class BalancesFragment : Fragment(),
             addItemDecoration(DividerItemDecoration(context, VERTICAL))
         }
 
-        model.balances.observe(viewLifecycleOwner, {
+        model.balances.observe(viewLifecycleOwner) {
             onBalancesChanged(it)
-        })
+        }
     }
 
     private fun onBalancesChanged(balances: List<BalanceItem>) {
diff --git a/wallet/src/main/java/net/taler/wallet/transactions/TransactionsFragment.kt b/wallet/src/main/java/net/taler/wallet/transactions/TransactionsFragment.kt
index e63d451..ff2574f 100644
--- a/wallet/src/main/java/net/taler/wallet/transactions/TransactionsFragment.kt
+++ b/wallet/src/main/java/net/taler/wallet/transactions/TransactionsFragment.kt
@@ -23,6 +23,7 @@ import android.view.Menu
 import android.view.MenuInflater
 import android.view.MenuItem
 import android.view.View
+import android.view.View.INVISIBLE
 import android.view.ViewGroup
 import android.widget.Toast
 import android.widget.Toast.LENGTH_LONG
@@ -42,6 +43,7 @@ import net.taler.common.fadeOut
 import net.taler.wallet.MainViewModel
 import net.taler.wallet.R
 import net.taler.wallet.databinding.FragmentTransactionsBinding
+import net.taler.wallet.scanQrCode
 
 interface OnTransactionClickListener {
     fun onTransactionClicked(transaction: Transaction)
@@ -65,8 +67,8 @@ class TransactionsFragment : Fragment(), OnTransactionClickListener, ActionMode.
 
     override fun onCreateView(
         inflater: LayoutInflater, container: ViewGroup?,
-        savedInstanceState: Bundle?
-    ): View? {
+        savedInstanceState: Bundle?,
+    ): View {
         ui = FragmentTransactionsBinding.inflate(inflater, container, false)
         return ui.root
     }
@@ -103,22 +105,27 @@ class TransactionsFragment : Fragment(), OnTransactionClickListener, ActionMode.
             }
         })
 
-        transactionManager.progress.observe(viewLifecycleOwner, { show ->
-            if (show) ui.progressBar.fadeIn() else ui.progressBar.fadeOut()
-        })
-        transactionManager.transactions.observe(viewLifecycleOwner, { result ->
-            onTransactionsResult(result)
-        })
-    }
-
-    override fun onActivityCreated(savedInstanceState: Bundle?) {
-        super.onActivityCreated(savedInstanceState)
         model.balances.observe(viewLifecycleOwner) { balances ->
+            // hide extra fab when in single currency mode (uses MainFragment's FAB)
+            if (balances.size == 1) ui.mainFab.visibility = INVISIBLE
             balances.find { it.currency == currency }?.available?.let { amount: Amount ->
                 requireActivity().title =
                     getString(R.string.transactions_detail_title_balance, amount)
             }
         }
+        transactionManager.progress.observe(viewLifecycleOwner) { show ->
+            if (show) ui.progressBar.fadeIn() else ui.progressBar.fadeOut()
+        }
+        transactionManager.transactions.observe(viewLifecycleOwner) { result ->
+            onTransactionsResult(result)
+        }
+        ui.mainFab.setOnClickListener {
+            scanQrCode(requireActivity())
+        }
+        ui.mainFab.setOnLongClickListener {
+            findNavController().navigate(R.id.action_nav_transactions_to_nav_uri_input)
+            true
+        }
     }
 
     override fun onSaveInstanceState(outState: Bundle) {
diff --git a/wallet/src/main/res/layout/fragment_transactions.xml b/wallet/src/main/res/layout/fragment_transactions.xml
index aaf638c..22d6d48 100644
--- a/wallet/src/main/res/layout/fragment_transactions.xml
+++ b/wallet/src/main/res/layout/fragment_transactions.xml
@@ -48,4 +48,13 @@
         android:visibility="invisible"
         tools:visibility="visible" />
 
+    <com.google.android.material.floatingactionbutton.FloatingActionButton
+        android:id="@+id/mainFab"
+        style="@style/FabStyle"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:contentDescription="@string/button_scan_qr_code"
+        android:src="@drawable/ic_scan_qr"
+        app:layout_behavior="com.google.android.material.behavior.HideBottomViewOnScrollBehavior" />
+
 </FrameLayout>
diff --git a/wallet/src/main/res/navigation/nav_graph.xml b/wallet/src/main/res/navigation/nav_graph.xml
index b3f96c5..f0048d9 100644
--- a/wallet/src/main/res/navigation/nav_graph.xml
+++ b/wallet/src/main/res/navigation/nav_graph.xml
@@ -118,7 +118,11 @@
         android:id="@+id/nav_transactions"
         android:name="net.taler.wallet.transactions.TransactionsFragment"
         android:label="@string/transactions_title"
-        tools:layout="@layout/fragment_transactions" />
+        tools:layout="@layout/fragment_transactions" >
+        <action
+            android:id="@+id/action_nav_transactions_to_nav_uri_input"
+            app:destination="@id/nav_uri_input" />
+    </fragment>
 
     <fragment
         android:id="@+id/nav_transactions_detail_withdrawal"