handle accepting call

app/src/main/kotlin/com/simplemobiletools/contacts/pro/activities/CallActivity.kt

@@ -10,9 +10,7 @@ import android.os.Bundle
 import android.telecom.Call
 import android.widget.RemoteViews
 import androidx.core.app.NotificationCompat
-import com.simplemobiletools.commons.extensions.notificationManager
-import com.simplemobiletools.commons.extensions.setText
-import com.simplemobiletools.commons.extensions.updateTextColors
+import com.simplemobiletools.commons.extensions.*
 import com.simplemobiletools.commons.helpers.isOreoPlus
 import com.simplemobiletools.contacts.pro.R
 import com.simplemobiletools.contacts.pro.helpers.ACCEPT_CALL
@@ -49,7 +47,9 @@ class CallActivity : SimpleActivity() {
             endCall()
         }
 
-        call_accept.setOnClickListener { }
+        call_accept.setOnClickListener {
+            acceptCall()
+        }
 
         call_toggle_microphone.setOnClickListener {
             toggleMicrophone()
@@ -60,7 +60,9 @@ class CallActivity : SimpleActivity() {
         }
 
         call_dialpad.setOnClickListener { }
-        call_end.setOnClickListener { }
+        call_end.setOnClickListener {
+            endCall()
+        }
     }
 
     private fun toggleSpeaker() {
@@ -77,10 +79,20 @@ class CallActivity : SimpleActivity() {
 
     private fun updateCallState(state: Int) {
         when (state) {
+            Call.STATE_ACTIVE -> callStarted()
             Call.STATE_DISCONNECTED -> endCall()
         }
     }
 
+    private fun acceptCall() {
+        CallManager.accept()
+    }
+
+    private fun callStarted() {
+        incoming_call_holder.beGone()
+        ongoing_call_holder.beVisible()
+    }
+
     private fun endCall() {
         CallManager.reject()
         finish()

app/src/main/kotlin/com/simplemobiletools/contacts/pro/helpers/CallManager.kt

@@ -2,6 +2,7 @@ package com.simplemobiletools.contacts.pro.helpers
 
 import android.annotation.SuppressLint
 import android.telecom.Call
+import android.telecom.VideoProfile
 
 // inspired by https://github.com/Chooloo/call_manage
 @SuppressLint("NewApi")
@@ -9,6 +10,10 @@ class CallManager {
     companion object {
         var call: Call? = null
 
+        fun accept() {
+            call?.answer(VideoProfile.STATE_AUDIO_ONLY)
+        }
+
         fun reject() {
             if (call != null) {
                 if (call!!.state == Call.STATE_RINGING) {

app/src/main/kotlin/com/simplemobiletools/contacts/pro/receivers/CallActionReceiver.kt

@@ -3,12 +3,14 @@ package com.simplemobiletools.contacts.pro.receivers
 import android.content.BroadcastReceiver
 import android.content.Context
 import android.content.Intent
+import com.simplemobiletools.contacts.pro.helpers.ACCEPT_CALL
 import com.simplemobiletools.contacts.pro.helpers.CallManager
 import com.simplemobiletools.contacts.pro.helpers.DECLINE_CALL
 
 class CallActionReceiver : BroadcastReceiver() {
     override fun onReceive(context: Context, intent: Intent) {
         when (intent.action) {
+            ACCEPT_CALL -> CallManager.accept()
             DECLINE_CALL -> CallManager.reject()
         }
     }