Use horizontal scroll view for call control buttons

app/src/main/kotlin/com/tutpro/baresip/MainActivity.kt

@@ -47,6 +47,7 @@ class MainActivity : AppCompatActivity() {
     private lateinit var hangupButton: ImageButton
     private lateinit var answerButton: ImageButton
     private lateinit var rejectButton: ImageButton
+    private lateinit var callControl: HorizontalScrollView
     private lateinit var holdButton: ImageButton
     private lateinit var micButton: ImageButton
     private lateinit var transferButton: ImageButton
@@ -124,6 +125,7 @@ class MainActivity : AppCompatActivity() {
         hangupButton = binding.hangupButton
         answerButton = binding.answerButton
         rejectButton = binding.rejectButton
+        callControl = binding.callControl
         holdButton = binding.holdButton
         micButton = binding.micButton
         transferButton = binding.transferButton
@@ -1604,6 +1606,7 @@ class MainActivity : AppCompatActivity() {
 
     private fun showCall(ua: UserAgent) {
         if (Call.uaCalls(ua, "").size == 0) {
+            swipeRefresh.isEnabled = true
             callTitle.text = getString(R.string.outgoing_call_to_dots)
             if (ua.account.resumeUri != "")
                 callUri.setText(ua.account.resumeUri)
@@ -1621,14 +1624,11 @@ class MainActivity : AppCompatActivity() {
             hangupButton.visibility = View.INVISIBLE
             answerButton.visibility = View.INVISIBLE
             rejectButton.visibility = View.INVISIBLE
-            holdButton.visibility = View.INVISIBLE
+            callControl.visibility = View.INVISIBLE
-            micButton.visibility = View.INVISIBLE
-            transferButton.visibility = View.INVISIBLE
-            dtmf.visibility = View.INVISIBLE
             dialpadButton.isEnabled = true
-            infoButton.visibility = View.INVISIBLE
             volumeControlStream = AudioManager.STREAM_VOICE_CALL
         } else {
+            swipeRefresh.isEnabled = false
             val call = Call.uaCalls(ua, "")[0]
             callUri.isFocusable = false
             imm.hideSoftInputFromWindow(callUri.windowToken, 0)
@@ -1643,12 +1643,8 @@ class MainActivity : AppCompatActivity() {
                     hangupButton.isEnabled = true
                     answerButton.visibility = View.INVISIBLE
                     rejectButton.visibility = View.INVISIBLE
-                    holdButton.visibility = View.INVISIBLE
+                    callControl.visibility = View.INVISIBLE
-                    micButton.visibility = View.INVISIBLE
-                    transferButton.visibility = View.INVISIBLE
-                    dtmf.visibility = View.INVISIBLE
                     dialpadButton.isEnabled = false
-                    infoButton.visibility = View.INVISIBLE
                     volumeControlStream = AudioManager.STREAM_VOICE_CALL
                 }
                 "incoming" -> {
@@ -1663,12 +1659,8 @@ class MainActivity : AppCompatActivity() {
                     answerButton.isEnabled = true
                     rejectButton.visibility = View.VISIBLE
                     rejectButton.isEnabled = true
-                    holdButton.visibility = View.INVISIBLE
+                    callControl.visibility = View.INVISIBLE
-                    micButton.visibility = View.INVISIBLE
-                    transferButton.visibility = View.INVISIBLE
-                    dtmf.visibility = View.INVISIBLE
                     dialpadButton.isEnabled = false
-                    infoButton.visibility = View.INVISIBLE
                     volumeControlStream = AudioManager.STREAM_RING
                 }
                 "connected" -> {
@@ -1698,15 +1690,15 @@ class MainActivity : AppCompatActivity() {
                     hangupButton.isEnabled = true
                     answerButton.visibility = View.INVISIBLE
                     rejectButton.visibility = View.INVISIBLE
+                    callControl.post(Runnable {
+                        callControl.scrollTo(holdButton.left, holdButton.top)
+                    })
+                    callControl.visibility = View.VISIBLE
                     if (call.onhold) {
                         holdButton.setImageResource(R.drawable.play)
                     } else {
                         holdButton.setImageResource(R.drawable.pause)
                     }
-                    holdButton.visibility = View.VISIBLE
-                    micButton.visibility = View.VISIBLE
-                    transferButton.visibility = View.VISIBLE
-                    dtmf.visibility = View.VISIBLE
                     dtmf.isEnabled = true
                     dtmf.requestFocus()
                     if (resources.configuration.orientation == ORIENTATION_PORTRAIT)
@@ -1718,7 +1710,6 @@ class MainActivity : AppCompatActivity() {
                     dialpadButton.setImageResource(R.drawable.dialpad_on)
                     dialpadButton.tag = "on"
                     dialpadButton.isEnabled = false
-                    infoButton.visibility = View.VISIBLE
                     infoButton.isEnabled = true
                     volumeControlStream = AudioManager.STREAM_VOICE_CALL
                 }

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

@@ -146,6 +146,18 @@
                         android:contentDescription="@string/reject" >
                     </ImageButton>
 
+                    <HorizontalScrollView
+                        android:layout_width="match_parent"
+                        android:layout_height="wrap_content"
+                        android:layout_marginStart="70dp"
+                        android:visibility="invisible"
+                        android:id="@+id/callControl" >
+
+                        <RelativeLayout
+                            android:layout_width="wrap_content"
+                            android:layout_height="wrap_content"
+                            android:orientation="horizontal" >
+
                             <ImageButton
                                 android:id="@+id/holdButton"
                                 android:layout_width="wrap_content"
@@ -153,9 +165,7 @@
                                 android:padding="0dp"
                                 android:src="@drawable/pause"
                                 android:background="@null"
-                        android:layout_marginStart="70dp"
                                 android:clickable="false"
-                        android:visibility="invisible"
                                 android:contentDescription="@string/hold" >
                             </ImageButton>
 
@@ -166,9 +176,8 @@
                                 android:padding="0dp"
                                 android:src="@drawable/mic"
                                 android:background="@null"
-                        android:layout_marginStart="130dp"
+                                android:layout_marginStart="60dp"
                                 android:clickable="false"
-                        android:visibility="invisible"
                                 android:contentDescription="@string/mic" >
                             </ImageButton>
 
@@ -179,46 +188,38 @@
                                 android:padding="0dp"
                                 android:src="@drawable/call_transfer"
                                 android:background="@null"
-                        android:layout_marginStart="195dp"
+                                android:layout_marginStart="120dp"
                                 android:clickable="false"
-                        android:visibility="invisible"
                                 android:contentDescription="@string/call_transfer" >
                             </ImageButton>
 
+                            <EditText
+                                android:id="@+id/dtmf"
+                                android:layout_width="wrap_content"
+                                android:layout_height="wrap_content"
+                                android:layout_marginStart="180dp"
+                                android:hint="@string/dtmf"
+                                android:importantForAutofill="no"
+                                android:inputType="phone"
+                                android:textSize="20sp" >
+                            </EditText>
+
                             <ImageButton
                                 android:id="@+id/info"
                                 android:layout_width="wrap_content"
                                 android:layout_height="wrap_content"
                                 android:padding="0dp"
-                        android:layout_alignParentEnd="true"
+                                android:layout_marginStart="250dp"
                                 android:src="@drawable/info"
                                 android:layout_marginTop="6dp"
                                 android:background="@null"
                                 android:clickable="false"
-                        android:visibility="invisible"
                                 android:contentDescription="@string/call_info" >
                             </ImageButton>
 
                         </RelativeLayout>
 
-                <RelativeLayout
+                    </HorizontalScrollView>
-                    android:id="@+id/dtmfRow"
-                    android:orientation="horizontal"
-                    android:layout_width="fill_parent"
-                    android:layout_height="wrap_content"
-                    android:layout_below="@id/callRow" >
-
-                    <EditText
-                        android:id="@+id/dtmf"
-                        android:layout_width="wrap_content"
-                        android:layout_height="wrap_content"
-                        android:layout_alignParentEnd="true"
-                        android:hint="@string/dtmf"
-                        android:importantForAutofill="no"
-                        android:inputType="phone"
-                        android:textSize="20sp"
-                        android:visibility="invisible" >
-                    </EditText>
 
                 </RelativeLayout>