Create custom AutoCompleteTextView which can be used inside of a TextInputLayout to show a nice square with the suggestion like the other text fields used in the app.

app/src/main/java/cy/agorise/bitsybitshareswallet/fragments/ReceiveTransactionFragment.kt

@@ -22,7 +22,7 @@ import cy.agorise.bitsybitshareswallet.utils.Constants
 import cy.agorise.bitsybitshareswallet.viewmodels.UserAccountViewModel
 import cy.agorise.graphenej.*
 import kotlinx.android.synthetic.main.fragment_receive_transaction.*
-import java.util.HashMap
+import java.util.*
 
 class ReceiveTransactionFragment : Fragment() {
     private val TAG = this.javaClass.simpleName
@@ -62,7 +62,7 @@ class ReceiveTransactionFragment : Fragment() {
         try {
             val bitmap = encodeAsBitmap(Invoice.toQrCode(invoice), "#139657") // PalmPay green
             ivQR.setImageBitmap(bitmap)
-            //updateAmountAddressUI(total, mUserAccount!!.getName())
+//            updateAmountAddressUI(total, mUserAccount!!.getName())
         } catch (e: WriterException) {
             Log.e(TAG, "WriterException. Msg: " + e.message)
         }
@@ -113,4 +113,27 @@ class ReceiveTransactionFragment : Fragment() {
         bitmap.setPixels(pixels, 0, w, 0, 0, w, h)
         return bitmap
     }
+
+//    /**
+//     * Updates the UI to show amount and address to send the payment
+//     *
+//     * @param amount Amount in crypto to be paid
+//     * @param address Address to pay amount
+//     */
+//    private fun updateAmountAddressUI(amount: Double, account: String) {
+//        // Trick to format correctly really small floating point numbers
+//        val df = DecimalFormat("0", DecimalFormatSymbols.getInstance(Locale.ENGLISH))
+//        df.maximumFractionDigits = 340
+//
+//        val cryptoAmount = Helper.getCryptoAmountLocaleFormatted(
+//            locale, amount,
+//            inputCoinType.toLowerCase(), this
+//        )
+//
+//        val txtAmount = getString(R.string.please_pay_s_s, cryptoAmount, inputCoinType.toUpperCase())
+//        val txtAddress = getString(R.string.to_s, account)
+//
+//        tvTotalCryptoAmount.setText(txtAmount)
+//        tvReceivingAddress.setText(txtAddress)
+//    }
 }

app/src/main/java/cy/agorise/bitsybitshareswallet/views/MyTextInputAutoCompleteTextView.kt

@@ -0,0 +1,45 @@
+package cy.agorise.bitsybitshareswallet.views
+
+import android.content.Context
+import android.util.AttributeSet
+import com.google.android.material.textfield.TextInputLayout
+import android.view.inputmethod.InputConnection
+import android.view.inputmethod.EditorInfo
+import androidx.appcompat.widget.AppCompatAutoCompleteTextView
+
+/**
+ * Custom AutoCompleteTextView to be used inside a TextInputLayout, so that they can share their hint
+ * From https://stackoverflow.com/a/41864063/5428997
+ */
+class MyTextInputAutoCompleteTextView : AppCompatAutoCompleteTextView {
+
+    constructor(context: Context) : super(context)
+
+    constructor(context: Context, attrs: AttributeSet) : super(context, attrs)
+
+    constructor(context: Context, attrs: AttributeSet, defStyleAttr: Int) : super(context, attrs, defStyleAttr)
+
+    override fun onCreateInputConnection(outAttrs: EditorInfo): InputConnection? {
+        val ic = super.onCreateInputConnection(outAttrs)
+        if (ic != null && outAttrs.hintText == null) {
+            // If we don't have a hint and our parent is a TextInputLayout, use it's hint for the
+            // EditorInfo. This allows us to display a hint in 'extract mode'.
+            val parent = parent
+            if (parent is TextInputLayout) {
+                outAttrs.hintText = parent.hint
+            }
+        }
+        // An EditText that lets you use actions ("Done", "Go", etc.) on multi-line edits.
+        val imeActions = outAttrs.imeOptions and EditorInfo.IME_MASK_ACTION
+        if (imeActions and EditorInfo.IME_ACTION_DONE != 0) {
+            // clear the existing action
+            outAttrs.imeOptions = outAttrs.imeOptions xor imeActions
+            // set the DONE action
+            outAttrs.imeOptions = outAttrs.imeOptions or EditorInfo.IME_ACTION_DONE
+        }
+        if (outAttrs.imeOptions and EditorInfo.IME_FLAG_NO_ENTER_ACTION != 0) {
+            outAttrs.imeOptions = outAttrs.imeOptions and EditorInfo.IME_FLAG_NO_ENTER_ACTION.inv()
+        }
+        return ic
+    }
+}

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

@@ -38,30 +38,28 @@
 
     </com.google.android.material.textfield.TextInputLayout>
 
-    <androidx.appcompat.widget.AppCompatAutoCompleteTextView
+    <com.google.android.material.textfield.TextInputLayout
+        style="@style/Widget.Bitsy.TextInputLayout"
         android:layout_width="0dp"
-        android:layout_height="wrap_content"/>
-
-    <Spinner
-        android:id="@+id/spAsset"
-        android:layout_width="0dp"
-        android:layout_height="wrap_content"
-        android:layout_marginTop="12dp"
+        android:layout_height="0dp"
         android:layout_marginStart="12dp"
-        android:visibility="gone"
-        app:layout_constraintTop_toTopOf="@+id/tilAmount"
-        app:layout_constraintEnd_toEndOf="parent"
-        app:layout_constraintStart_toEndOf="@id/centeredVerticalGuideline"/>
+        android:hint="@string/text__asset"
+        app:layout_constraintTop_toTopOf="@id/tilAmount"
+        app:layout_constraintBottom_toBottomOf="@id/tilAmount"
+        app:layout_constraintStart_toEndOf="@id/centeredVerticalGuideline"
+        app:layout_constraintEnd_toEndOf="parent">
 
-    <View
-        android:id="@+id/vSpinner"
-        android:layout_width="0dp"
-        android:layout_height="1dp"
-        android:layout_marginTop="12dp"
-        android:background="@color/darkGray"
-        app:layout_constraintTop_toBottomOf="@+id/spAsset"
-        app:layout_constraintEnd_toEndOf="@+id/spAsset"
-        app:layout_constraintStart_toStartOf="@+id/spAsset" />
+        <cy.agorise.bitsybitshareswallet.views.MyTextInputAutoCompleteTextView
+            android:id="@+id/actvAsset"
+            android:layout_width="match_parent"
+            android:layout_height="match_parent"
+            android:paddingStart="12dp"
+            android:paddingEnd="8dp"
+            android:maxLines="1"
+            android:lines="1"
+            android:imeOptions="actionDone"/>
+
+    </com.google.android.material.textfield.TextInputLayout>
 
     <ImageView
         android:id="@+id/ivQR"

app/src/main/res/values/strings.xml

@@ -41,15 +41,16 @@
     <!-- Balances -->
     <string name="title_transactions">Transactions</string>
 
-    <!-- Send Transaction Fragment -->
+    <!-- Send & Receive Transaction -->
     <string name="text__to">To</string>
+    <string name="text__amount">Amount</string>
+    <string name="text__memo">Memo</string>
+    <string name="text__scan_qr">Scan QR</string>
+    <string name="text__asset">Asset</string>
 
     <!-- Settings -->
     <string name="title_settings">Settings</string>
     <string name="night_mode">Night mode</string>
-    <string name="text__amount">Amount</string>
-    <string name="text__memo">Memo</string>
-    <string name="text__scan_qr">Scan QR</string>
 
 
 </resources>