【Android 】full screen display effect of clicking pictures

 package com.example.explosioneffect;

import androidx.appcompat.app.AppCompatActivity;

import android.annotation.SuppressLint;
import android.app.Dialog;
import android.graphics.BitmapFactory;
import android.graphics.Canvas;
import android.graphics.Paint;
import android.graphics.drawable.BitmapDrawable;
import android.graphics.drawable.Drawable;
import android.os.Bundle;
import android.view.MotionEvent;
import android.view.View;
import android.view.ViewGroup;
import android.view.WindowManager;
import android.widget.ImageView;
import android.widget.RelativeLayout;

import java.io.InputStream;

public class MainActivity extends AppCompatActivity {
    private ImageView imageView;
    private Dialog dialog;
    private ImageView image;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        init();
        //Click event of small picture (pop up big picture)
        imageView.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                dialog.show();
            }
        });
    }

    private void init() {
        imageView = (ImageView) findViewById(R.id.image);
        //The big picture displayed on the dialog
        dialog = new Dialog(MainActivity.this, R.style.FullActivity);
        WindowManager.LayoutParams attributes = getWindow().getAttributes();
        attributes.width = WindowManager.LayoutParams.MATCH_PARENT;
        attributes.height = WindowManager.LayoutParams.MATCH_PARENT;
        dialog.getWindow().setAttributes(attributes);
        image = getImageView();
        dialog.setContentView(image);
        //The click event of the big picture (click to make him disappear)
        image.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                dialog.dismiss();
            }
        });
    }

    //Dynamic ImageView
    private ImageView getImageView() {
        ImageView imageView = new ImageView(this);
        //Width Height
        imageView.setLayoutParams(new RelativeLayout.LayoutParams(ViewGroup.LayoutParams.WRAP_CONTENT, ViewGroup.LayoutParams.WRAP_CONTENT));
        //imageView set picture
        @SuppressLint("ResourceType") InputStream is = getResources().openRawResource(R.drawable.ic_launcher_background);
        Drawable drawable = BitmapDrawable.createFromStream(is, null);
        imageView.setImageDrawable(drawable);
        return imageView;
    }
}

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout 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">
<ImageView
    android:id="@+id/image"
    android:src="@drawable/ic_launcher_background"
    android:layout_centerInParent="true"
    android:layout_width="200dp"
    android:layout_height="200dp" />
</LinearLayout>

<resources>

    <!-- Base application theme. -->
    <style name="AppTheme" parent="Theme.AppCompat.Light.DarkActionBar">
        <!-- Customize your theme here. -->
        <item name="colorPrimary">@color/colorPrimary</item>
        <item name="colorPrimaryDark">@color/colorPrimaryDark</item>
        <item name="colorAccent">@color/colorAccent</item>

    </style>
<style name="FullActivity" parent="AppTheme">
    <item name="windowNoTitle">true</item>
    <item name="android:windowFullscreen">true</item>item>
</style>
</resources>