add a Call button at the dialpad activity

app/src/main/kotlin/com/simplemobiletools/contacts/activities/DialpadActivity.kt

@@ -13,9 +13,11 @@ import com.simplemobiletools.commons.extensions.*
 import com.simplemobiletools.commons.helpers.isLollipopPlus
 import com.simplemobiletools.contacts.R
 import com.simplemobiletools.contacts.adapters.ContactsAdapter
+import com.simplemobiletools.contacts.dialogs.CallConfirmationDialog
 import com.simplemobiletools.contacts.extensions.afterTextChanged
 import com.simplemobiletools.contacts.extensions.callContact
 import com.simplemobiletools.contacts.extensions.config
+import com.simplemobiletools.contacts.extensions.startCallIntent
 import com.simplemobiletools.contacts.helpers.ContactsHelper
 import com.simplemobiletools.contacts.helpers.KEY_PHONE
 import com.simplemobiletools.contacts.helpers.LOCATION_DIALPAD
@@ -42,6 +44,7 @@ class DialpadActivity : SimpleActivity() {
         dialpad_hashtag.setOnClickListener { dialpadPressed("#", it) }
         dialpad_clear_char.setOnClickListener { clearChar(it) }
         dialpad_clear_char.setOnLongClickListener { clearInput(); true }
+        dialpad_call_button.setOnClickListener { initCall() }
         dialpad_input.afterTextChanged { dialpadValueChanged(it) }
         ContactsHelper(this).getContacts { gotContacts(it) }
         disableKeyboardPopping()
@@ -143,4 +146,17 @@ class DialpadActivity : SimpleActivity() {
             dialpad_fastscroller.updateBubbleText(item?.getBubbleText() ?: "")
         }
     }
+
+    private fun initCall() {
+        val number = dialpad_input.value
+        if (number.isNotEmpty()) {
+            if (config.showCallConfirmation) {
+                CallConfirmationDialog(this, number) {
+                    startCallIntent(number)
+                }
+            } else {
+                startCallIntent(number)
+            }
+        }
+    }
 }

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

@@ -2,12 +2,10 @@
 <android.support.constraint.ConstraintLayout
     xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:app="http://schemas.android.com/apk/res-auto"
-    xmlns:tools="http://schemas.android.com/tools"
     android:id="@+id/dialpad_holder"
     android:layout_width="match_parent"
     android:layout_height="match_parent"
     android:layout_alignParentBottom="true"
-    android:layout_marginBottom="@dimen/activity_margin"
     android:focusableInTouchMode="true">
 
     <com.simplemobiletools.commons.views.MyRecyclerView
@@ -181,11 +179,10 @@
         android:layout_height="wrap_content"
         android:layout_marginLeft="@dimen/activity_margin"
         android:text="*"
-        app:layout_constraintBottom_toBottomOf="parent"
+        app:layout_constraintBottom_toTopOf="@+id/dialpad_call_button"
         app:layout_constraintEnd_toStartOf="@+id/dialpad_0"
         app:layout_constraintHorizontal_bias="0.5"
-        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintStart_toStartOf="parent"/>
-        tools:layout_editor_absoluteY="0dp"/>
 
     <com.simplemobiletools.commons.views.MyTextView
         android:id="@+id/dialpad_0"
@@ -193,7 +190,7 @@
         android:layout_width="0dp"
         android:layout_height="wrap_content"
         android:text="0"
-        app:layout_constraintBottom_toBottomOf="parent"
+        app:layout_constraintBottom_toTopOf="@+id/dialpad_call_button"
         app:layout_constraintEnd_toStartOf="@+id/dialpad_hashtag"
         app:layout_constraintHorizontal_bias="0.5"
         app:layout_constraintStart_toEndOf="@+id/dialpad_asterisk"/>
@@ -205,9 +202,22 @@
         android:layout_height="wrap_content"
         android:layout_marginRight="@dimen/activity_margin"
         android:text="#"
-        app:layout_constraintBottom_toBottomOf="parent"
+        app:layout_constraintBottom_toTopOf="@+id/dialpad_call_button"
         app:layout_constraintEnd_toEndOf="parent"
         app:layout_constraintHorizontal_bias="0.5"
         app:layout_constraintStart_toEndOf="@+id/dialpad_0"/>
 
+    <ImageView
+        android:id="@+id/dialpad_call_button"
+        android:layout_width="@dimen/dialpad_button_size"
+        android:layout_height="@dimen/dialpad_button_size"
+        android:layout_marginBottom="@dimen/activity_margin"
+        android:background="@drawable/circle_background"
+        android:elevation="@dimen/medium_margin"
+        android:padding="@dimen/normal_margin"
+        android:src="@drawable/ic_phone_big"
+        app:layout_constraintBottom_toBottomOf="parent"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintStart_toStartOf="parent"/>
+
 </android.support.constraint.ConstraintLayout>