Additional ImageViewer added at Main Thread.

app/src/main/java/com/assistant/android/bolchal/ImageViewer.java

@@ -0,0 +1,49 @@
+package com.assistant.android.bolchal;
+
+import androidx.appcompat.app.AppCompatActivity;
+import androidx.appcompat.widget.Toolbar;
+
+import android.app.Activity;
+import android.content.Intent;
+import android.os.Bundle;
+import android.os.Parcelable;
+import android.widget.ImageView;
+import android.widget.TextView;
+
+import com.bumptech.glide.Glide;
+
+import java.util.Objects;
+
+public class ImageViewer extends AppCompatActivity {
+
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        setContentView(R.layout.layout_image_viewer);
+
+        /**
+         * Toolbar/ActionBar transparent
+         */
+        Objects.requireNonNull(getSupportActionBar()).hide();
+
+        ImageView image = (ImageView) findViewById(R.id.image_view_holder);
+        TextView name = findViewById(R.id.img_action_name);
+        TextView timeDate = findViewById(R.id.img_action_date);
+        ImageView back = findViewById(R.id.img_action_back);
+        ImageView menu = findViewById(R.id.img_action_menu);
+
+        Message message = getIntent().getParcelableExtra("ImageRes");
+        Glide.with(image.getContext()).load(message.getPhotoUrl()).into(image);
+
+        name.setText(message.getName());
+        timeDate.setText(message.getTime());
+
+        back.setOnClickListener(view -> {
+            finish();
+        });
+
+    }
+
+
+
+}

app/src/main/res/drawable/ic_baseline_arrow_back_24.xml

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+<vector android:height="124dp" android:tint="#FFFFFF"
+    android:viewportHeight="24" android:viewportWidth="24"
+    android:width="124dp" xmlns:android="http://schemas.android.com/apk/res/android">
+    <path android:fillColor="@android:color/white" android:pathData="M20,11H7.83l5.59,-5.59L12,4l-8,8 8,8 1.41,-1.41L7.83,13H20v-2z"/>
+</vector>

app/src/main/res/drawable/ic_baseline_delete_24.xml

@@ -0,0 +1,5 @@
+<vector android:height="124dp" android:tint="#FFFFFF"
+    android:viewportHeight="24" android:viewportWidth="24"
+    android:width="124dp" xmlns:android="http://schemas.android.com/apk/res/android">
+    <path android:fillColor="@android:color/white" android:pathData="M6,19c0,1.1 0.9,2 2,2h8c1.1,0 2,-0.9 2,-2V7H6v12zM19,4h-3.5l-1,-1h-5l-1,1H5v2h14V4z"/>
+</vector>

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

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+<?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"
+    android:layout_width="match_parent"
+    android:layout_height="?attr/actionBarSize"
+    android:background="@color/purple_700">
+
+    <ImageView
+        android:id="@+id/img_action_back"
+        android:layout_width="30dp"
+        android:layout_height="30dp"
+        android:src="@drawable/ic_baseline_arrow_back_24"
+        app:layout_constraintBottom_toBottomOf="parent"
+        app:layout_constraintEnd_toStartOf="@+id/img_action_date"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toTopOf="parent" />
+
+    <TextView
+        android:id="@+id/img_action_name"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:text="name"
+        android:textColor="@color/white"
+        android:textSize="20sp"
+        app:layout_constraintBottom_toBottomOf="@+id/img_action_back"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toTopOf="parent"
+        app:layout_constraintVertical_bias="0.01" />
+
+    <TextView
+        android:id="@+id/img_action_date"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:text="12/11/21, 11:45 PM"
+        android:textColor="@color/white"
+        android:textSize="15sp"
+        app:layout_constraintEnd_toEndOf="@+id/img_action_name"
+        app:layout_constraintStart_toStartOf="@+id/img_action_name"
+        app:layout_constraintTop_toBottomOf="@+id/img_action_name" />
+
+    <ImageView
+        android:id="@+id/img_action_menu"
+        android:layout_width="20dp"
+        android:layout_height="20dp"
+        android:src="@drawable/three_dots"
+        app:layout_constraintBottom_toBottomOf="parent"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintStart_toEndOf="@+id/img_action_date"
+        app:layout_constraintTop_toTopOf="parent" />
+
+
+
+</androidx.constraintlayout.widget.ConstraintLayout>

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

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+<?xml version="1.0" encoding="utf-8"?>
+<RelativeLayout 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=".ImageViewer"
+    android:background="@color/black">
+
+    <ImageView
+        android:layout_width="match_parent"
+        android:layout_height="match_parent"
+        android:adjustViewBounds="true"
+        android:layout_centerInParent="true"
+        android:id="@+id/image_view_holder"
+        tools:src="@drawable/placeholder"/>
+
+    <include
+        android:layout_width="match_parent"
+        android:layout_height="?android:attr/actionBarSize"
+        layout="@layout/image_action_bar"
+        android:id="@+id/tool_bar"
+        android:layout_alignParentTop="true"
+        android:layout_alignParentStart="true"
+        android:background="@color/purple_700"/>
+
+</RelativeLayout>

app/src/main/res/menu/delete_menu.xml

@@ -0,0 +1,5 @@
+<?xml version="1.0" encoding="utf-8"?>
+<menu xmlns:android="http://schemas.android.com/apk/res/android">
+<item android:id="@+id/delete" android:title="delete" android:orderInCategory="1" />
+
+</menu>