activity_main.xml
<?xml version="1.0" encoding="utf-8"?>
<androidx.constraintlayout.widget.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:layout_width="match_parent"android:layout_height="match_parent"tools:context=".MainActivity">
<androidx.constraintlayout.widget.ConstraintLayout
android:layout_width="wrap_content"android:layout_height="wrap_content"app:layout_constraintBottom_toBottomOf="parent"app:layout_constraintLeft_toLeftOf="parent"app:layout_constraintRight_toRightOf="parent"app:layout_constraintTop_toTopOf="parent">
<ImageViewandroid:id="@+id/btn_notifikasi"android:layout_width="wrap_content"android:layout_height="wrap_content"android:src="@drawable/ic_baseline_notifications_active_24"app:layout_constraintBottom_toBottomOf="parent"app:layout_constraintLeft_toLeftOf="parent"app:layout_constraintRight_toRightOf="parent"app:layout_constraintTop_toTopOf="parent" />
<TextViewandroid:id="@+id/btn_notifikasi_count"android:layout_width="wrap_content"android:layout_height="wrap_content"android:background="@drawable/background_filled_red_radius"android:paddingLeft="2dp"android:paddingRight="2dp"android:textColor="@color/white"android:textSize="11sp"android:visibility="gone"app:layout_constraintRight_toRightOf="parent"app:layout_constraintTop_toTopOf="parent"tools:text="1"tools:visibility="visible" />
</androidx.constraintlayout.widget.ConstraintLayout>
</androidx.constraintlayout.widget.ConstraintLayout>Copyright 2021 M. Fadli Zein