Class 6 (Digital Tajbhi)

Digital Tajbhi

<?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"
    android:orientation="vertical"
    tools:context=".MainActivity"
    android:background="#AACFEC"
    >

    <TextView
        android:id="@+id/tvCount"
        android:layout_width="match_parent"
        android:layout_height="200dp"
        android:text="0"
        android:textStyle="bold"
        android:textSize="50dp"
        android:gravity="right"
        android:layout_marginTop="50dp"
        />


    <Button
        android:id="@+id/buttonad"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:text="Add One"
        />

    <Button
        android:id="@+id/buttonsub"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:text="Sub One"
        />

    <Button
        android:id="@+id/buttonreset"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:text="Reset"
        />


</LinearLayout>

Java

package com.rakibshah.testblog;

import androidx.appcompat.app.AppCompatActivity;

import android.os.Bundle;
import android.view.View;
import android.widget.Button;
import android.widget.TextView;

public class MainActivity extends AppCompatActivity {

    TextView tvCount;
    Button buttonad, buttonsub, buttonreset;
    int count = 0;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);

        tvCount = findViewById(R.id.tvCount);

        buttonad = findViewById(R.id.buttonad);
        buttonsub = findViewById(R.id.buttonsub);
        buttonreset = findViewById(R.id.buttonreset);


        buttonad.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View view) {

                count++;
                tvCount.setText(""+count);


            }
        });

        buttonsub.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View view) {


                count--;
                tvCount.setText(""+count);

            }
        });

        buttonreset.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View view) {


                count = 0;
                tvCount.setText(""+count);

            }
        });


    }
}