IntroPictures.java

package com.SydneyMinyanimAndroid;

import android.app.Activity;
import android.content.Intent;
import android.os.Bundle;
import android.support.v4.app.ActivityCompat;
import android.support.v7.app.AppCompatActivity;
import android.view.View;
import android.widget.Button;
import android.widget.LinearLayout;

import static android.Manifest.permission.ACCESS_FINE_LOCATION;

public class IntroPictures extends AppCompatActivity {

    private int amountOfClicks;

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

        amountOfClicks = 0;

        final Button imageButton = new Button(this);
        final Activity currentActivity = this;

        imageButton.setBackgroundResource(R.drawable.welcome);
        LinearLayout introLinear = findViewById(R.id.IntroLinear);

        introLinear.addView(imageButton);

        imageButton.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                amountOfClicks++;
                for (int i = 1; i <= amountOfClicks; i++) {
                    switch(i) {
                        case 1:
                            imageButton.setBackgroundResource(R.drawable.near_you);
                            break;
                        case 2:
                            imageButton.setBackgroundResource(R.drawable.times);
                            break;
                        case 3:
                            imageButton.setBackgroundResource(R.drawable.favourites);
                            break;
                        case 4:
                            imageButton.setBackgroundResource(R.drawable.location);
                            ActivityCompat.requestPermissions(currentActivity, new String[]{ACCESS_FINE_LOCATION}, 1);
                            break;
                    }
                    if (amountOfClicks > 4) {
                        Intent resultIntent = new Intent();
                        setResult(Activity.RESULT_OK, resultIntent);
                        finish();
                    }
                }
            }
        });
    }
}