CodeBoy722

private ArrayList<imageFolder> getPicturePaths(){
        ArrayList<imageFolder> picFolders = new ArrayList<>();
        ArrayList<String> picPaths = new ArrayList<>();
        Uri allImagesuri = android.provider.MediaStore.Images.Media.EXTERNAL_CONTENT_URI;
        String[] projection = { MediaStore.Images.ImageColumns.DATA ,MediaStore.Images.Media.DISPLAY_NAME,
                MediaStore.Images.Media.BUCKET_DISPLAY_NAME,MediaStore.Images.Media.BUCKET_ID};
        Cursor cursor = this.getContentResolver().query(allImagesuri, projection, null, null, null);
        try {
            if (cursor != null) {
                cursor.moveToFirst();

CodeBoy722

<uses-permission android:name="android.permission.READ_EXTERNAL_STORAGE" android:required="true" />

CodeBoy722

package com.androidcodeman.simpleimagegallery;

import android.Manifest;
import android.content.Intent;
import android.content.pm.PackageManager;
import android.database.Cursor;
import android.net.Uri;
import android.provider.MediaStore;
import androidx.appcompat.app.AppCompatActivity;
import android.os.Bundle;

CodeBoy722

package com.androidcodeman.simpleimagegallery.utils;

/**
 * author CodeBoy722
 *
 * Custom Class that holds information of a folder containing images
 * on the device external storage, used to populate our RecyclerView of
 * picture folders
 */
public class imageFolder {

CodeBoy722

package com.androidcodeman.simpleimagegallery.utils;

import java.util.ArrayList;

/**
 * Author CodeBoy722
 */
public interface itemClickListener {

    /**

CodeBoy722

package com.androidcodeman.simpleimagegallery.utils;

import android.content.Context;
import androidx.annotation.NonNull;
import androidx.cardview.widget.CardView;
import androidx.recyclerview.widget.RecyclerView;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.ImageView;

CodeBoy722

<?xml version="1.0" encoding="utf-8"?>
<FrameLayout 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"
    android:orientation="vertical"
    tools:context=".MainActivity">

    <RelativeLayout

CodeBoy722

folderName = findViewById(R.id.foldername);
folderName.setText(getIntent().getStringExtra("folderName")); //setting the folder name 

//this line gets the folderpath from Intent 
foldePath = getIntent().getStringExtra("folderPath");

CodeBoy722

public ArrayList<pictureFacer> getAllImagesByFolder(String path){
        ArrayList<pictureFacer> images = new ArrayList<>();
        Uri allVideosuri = android.provider.MediaStore.Images.Media.EXTERNAL_CONTENT_URI;
        String[] projection = { MediaStore.Images.ImageColumns.DATA ,MediaStore.Images.Media.DISPLAY_NAME,
                MediaStore.Images.Media.SIZE};
        Cursor cursor = ImageDisplay.this.getContentResolver().query( allVideosuri, projection, MediaStore.Images.Media.DATA + " like ? ", new String[] {"%"+path+"%"}, null);
        try {
            cursor.moveToFirst();
            do{
                pictureFacer pic = new pictureFacer();

CodeBoy722

package com.androidcodeman.simpleimagegallery.utils;

/**
 * Author CodeBoy722
 *
 * Custom class for holding data of images on the device external storage
 */
public class pictureFacer {

    private String picturName;