VIDEO: MainActivity.java

package com.example.Kalkulator;

import androidx.appcompat.app.AppCompatActivity;

import android.content.Intent;
import android.net.Uri;
import android.os.Bundle;
import android.os.Vibrator;
import android.view.View;
import android.widget.AdapterView;
import android.widget.ArrayAdapter;
import android.widget.ImageView;
import android.widget.MediaController;
import android.widget.Spinner;
import android.widget.Toast;
import android.widget.VideoView;

import java.util.Random;

public class MainActivity6 extends AppCompatActivity implements AdapterView.OnItemSelectedListener {

    int spinner_selected = 0;

    VideoView video;

    Spinner spinner3;

    int klik = 0;

    public void otvoriMainActivity(){

        Vibrator v = (Vibrator) getSystemService(VIBRATOR_SERVICE);

        v.vibrate(1);

        Intent intent = new Intent(this, MainActivity.class);

        startActivity(intent);
    }

    public void otvoriMainActivity2(){

        Vibrator v = (Vibrator) getSystemService(VIBRATOR_SERVICE);

        v.vibrate(1);

        Intent intent = new Intent(this, MainActivity2.class);

        startActivity(intent);
    }

    public void otvoriMainActivity3(){

        Vibrator v = (Vibrator) getSystemService(VIBRATOR_SERVICE);

        v.vibrate(1);

        Intent intent = new Intent(this, MainActivity3.class);

        startActivity(intent);
    }

    public void otvoriMainActivity4(){

        Vibrator v = (Vibrator) getSystemService(VIBRATOR_SERVICE);

        v.vibrate(1);

        Intent intent = new Intent(this, MainActivity4.class);

        startActivity(intent);
    }

    public void otvoriMainActivity5(){

        Vibrator v = (Vibrator) getSystemService(VIBRATOR_SERVICE);

        v.vibrate(1);

        Intent intent = new Intent(this, MainActivity5.class);

        startActivity(intent);
    }

    public void video_horiz(View view) {

        if(klik == 0){

            video = findViewById(R.id.video);

            String path = "android.resource://" + getPackageName() + "/" + R.raw.video_landsc;

            Uri uri = Uri.parse(path);

            video.setVideoURI(uri);

            MediaController mediacon = new MediaController(this);

            video.setMediaController(mediacon);

            mediacon.setAnchorView(video);
        }

        klik++;
    }

    public void video_vertical(View view) {

        if(klik == 0){

            video = findViewById(R.id.video);

            String path = "android.resource://" + getPackageName() + "/" + R.raw.underwater_video;

            Uri uri = Uri.parse(path);

            video.setVideoURI(uri);

            MediaController mediacon = new MediaController(this);

            video.setMediaController(mediacon);

            mediacon.setAnchorView(video);
        }

        klik++;
    }

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main6);

        spinner3 = findViewById(R.id.spinner3);

        ArrayAdapter<CharSequence> adapter3 = ArrayAdapter.createFromResource(this, R.array.menu_MainActivity6, R.layout.dropdown_button);

        adapter3.setDropDownViewResource(R.layout.dropdown_item);

        spinner3.setAdapter(adapter3);

        spinner3.setOnItemSelectedListener(this);
    }

    @Override
    public void onItemSelected(AdapterView<?> parent, View view, int position, long id) {

        String text = parent.getItemAtPosition(position).toString();

        if (spinner_selected > 0) {

            switch (text) {

                case "\uD83E\uDDEE":

                    otvoriMainActivity();

                    SingleToast.show(getApplicationContext(), text, Toast.LENGTH_SHORT);

                    break;

                case "\uD83D\uDCCF":

                    otvoriMainActivity2();

                    SingleToast.show(getApplicationContext(), text, Toast.LENGTH_SHORT);

                    break;

                case "\uD83C\uDFB2":

                    otvoriMainActivity3();

                    SingleToast.show(getApplicationContext(), text, Toast.LENGTH_SHORT);

                    break;

                case "\uD83C\uDF7E":

                    otvoriMainActivity5();

                    SingleToast.show(getApplicationContext(), text, Toast.LENGTH_SHORT);

                    break;

                case "\uD83E\uDE99":

                    otvoriMainActivity4();

                    SingleToast.show(getApplicationContext(), text, Toast.LENGTH_SHORT);

                    break;
            }
        }

        spinner_selected++;
    }

    @Override
    public void onNothingSelected(AdapterView<?> parent) {

    }
}