Added bounce animation to chat unread counter in call activity

app/src/main/java/org/linphone/activities/call/fragments/ControlsFragment.kt

@@ -20,12 +20,16 @@
 package org.linphone.activities.call.fragments
 
 import android.Manifest
+import android.animation.ValueAnimator
 import android.annotation.TargetApi
 import android.app.Dialog
 import android.content.Intent
 import android.content.pm.PackageManager.PERMISSION_GRANTED
 import android.os.Bundle
 import android.os.SystemClock
+import android.view.View
+import android.view.animation.LinearInterpolator
+import android.widget.TextView
 import androidx.lifecycle.ViewModelProvider
 import org.linphone.LinphoneApplication.Companion.coreContext
 import org.linphone.R
@@ -53,6 +57,10 @@ class ControlsFragment : GenericFragment<CallControlsFragmentBinding>() {
 
     override fun getLayoutId(): Int = R.layout.call_controls_fragment
 
+    private val bounceAnimator: ValueAnimator by lazy {
+        ValueAnimator.ofFloat(resources.getDimension(R.dimen.tabs_fragment_unread_count_bounce_offset), 0f)
+    }
+
     override fun onActivityCreated(savedInstanceState: Bundle?) {
         super.onActivityCreated(savedInstanceState)
 
@@ -142,6 +150,29 @@ class ControlsFragment : GenericFragment<CallControlsFragmentBinding>() {
         }
     }
 
+    override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
+        super.onViewCreated(view, savedInstanceState)
+
+        bounceAnimator.addUpdateListener {
+            val value = it.animatedValue as Float
+            view.findViewById<TextView>(R.id.chat_unread_count).translationY = -value
+        }
+        bounceAnimator.interpolator = LinearInterpolator()
+        bounceAnimator.duration = 250
+        bounceAnimator.repeatMode = ValueAnimator.REVERSE
+        bounceAnimator.repeatCount = ValueAnimator.INFINITE
+    }
+
+    override fun onStart() {
+        super.onStart()
+        bounceAnimator.start()
+    }
+
+    override fun onStop() {
+        bounceAnimator.pause()
+        super.onStop()
+    }
+
     override fun onRequestPermissionsResult(
         requestCode: Int,
         permissions: Array<out String>,

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

@@ -79,12 +79,16 @@
                     android:src="@drawable/footer_chat" />
 
                 <TextView
+                    android:id="@+id/chat_unread_count"
                     android:text="@{String.valueOf(viewModel.unreadMessagesCount)}"
                     android:visibility="@{viewModel.unreadMessagesCount == 0 ? View.GONE : View.VISIBLE}"
                     style="@style/unread_count_font"
                     android:layout_width="wrap_content"
                     android:layout_height="wrap_content"
-                    android:layout_margin="15dp"
+                    android:layout_alignParentRight="true"
+                    android:layout_alignParentTop="true"
+                    android:layout_marginRight="25dp"
+                    android:layout_marginTop="5dp"
                     android:background="@drawable/unread_message_count_bg"
                     android:gravity="center" />