AndroidBullOfficial

apply plugin: 'com.android.application'
apply plugin: 'com.google.gms.google-services'

android {
    compileSdkVersion 29
    buildToolsVersion "29.0.2"

    defaultConfig {
        applicationId "com.arslan6015.demodatabase"
        minSdkVersion 21

AndroidBullOfficial

package com.arslan6015.demodatabase;

import androidx.appcompat.app.AppCompatActivity;

import android.content.Intent;
import android.os.Bundle;
import android.util.Log;
import android.view.View;

import com.arslan6015.demodatabase.databinding.ActivityStdDetailsBinding;

AndroidBullOfficial

<?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=".StdDetails">

    <androidx.cardview.widget.CardView
        android:id="@+id/cardViewStdDetails"

AndroidBullOfficial

package com.arslan6015.demodatabase.Interface;

import android.view.View;

//call the interface so that we call implements instead of extends.
public interface ItemClickListener {
    //according to interface rules we can only declare method here.
    void onClick(View view, int position, boolean isLongClick);
}

AndroidBullOfficial

package com.arslan6015.demodatabase;

import android.content.Context;
import android.content.DialogInterface;
import android.content.Intent;
import android.util.Log;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.TextView;

AndroidBullOfficial

package com.arslan6015.demodatabase;

import androidx.annotation.NonNull;
import androidx.appcompat.app.AppCompatActivity;
import androidx.recyclerview.widget.LinearLayoutManager;
import androidx.recyclerview.widget.RecyclerView;

import android.os.Bundle;
import android.util.Log;

AndroidBullOfficial

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout
    android:layout_height="wrap_content"
    android:layout_width="match_parent"
    xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:app="http://schemas.android.com/apk/res-auto">

    <androidx.cardview.widget.CardView
        android:id="@+id/cardViewUploadResults"
        android:layout_width="match_parent"

AndroidBullOfficial

<FrameLayout
    xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:tools="http://schemas.android.com/tools"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    tools:context=".RollNoActivity">


    <androidx.recyclerview.widget.RecyclerView android:id="@+id/recyclerView"

AndroidBullOfficial

package com.arslan6015.demodatabase;

public class StdRollNoModel {
    private String StudentRollNo,TotalMarks,ObtainedMarks;
    private double percentage;

    public StdRollNoModel() {
    }

    public StdRollNoModel(String studentRollNo,String totalMarks, String obtainedMarks, double percentage) {

AndroidBullOfficial

package com.arslan6015.demodatabase;

import androidx.annotation.NonNull;
import androidx.appcompat.app.AppCompatActivity;

import android.content.Intent;
import android.os.Bundle;
import android.util.Log;
import android.view.View;
import android.widget.Button;