OnClickListener.java

package com.geekofia.cacheaway;

import androidx.appcompat.app.AppCompatActivity;

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

public class MainActivity extends AppCompatActivity implements View.OnClickListener {

    private Button mSimpleClean, mAdvanceClean;

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

        mSimpleClean = findViewById(R.id.buttonSimpleClean);
        mAdvanceClean = findViewById(R.id.buttonAdvanceClean);

        mSimpleClean.setOnClickListener(this);
        mAdvanceClean.setOnClickListener(this);
    }

    @Override
    public void onClick(View view) {
        switch (view.getId()) {
            case R.id.buttonAdvanceClean:
                Toast.makeText(this, "Advance Clean !", Toast.LENGTH_SHORT).show();
                break;
            case R.id.buttonSimpleClean:
                Toast.makeText(this, "Simple Clean !", Toast.LENGTH_SHORT).show();
                break;
        }
    }
}