Поместите код на определенный слайд в introslider

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Привет
У меня есть 5 интрослайдов в моем проекте , в 4-м у меня есть спиннер , а в 5-м у меня есть 5 радиокнопок, интрослайд работает нормально, но спиннер и радиокнопки-нет !
когда я запускаю приложение на своем устройстве, счетчик не появляется.
Примечание : android studio не показывает никаких ошибок в коде.
это мой код :

<pre lang="java"><pre lang="java">public class AfterwelcomeActivity extends AppCompatActivity {
    public static final String Colloge_section="MyPrefsFile";
    private Spinner spinner1;
    private ViewPager viewPager;
    private MyViewPagerAdapter myViewPagerAdapter;
    private LinearLayout dotsLayout;
    private TextView[] dots;
    private int[] layouts;
    private Button btnSkip, btnNext;
    private PreferenceManager prefManager;
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        // Checking for first time launch - before calling setContentView()
        prefManager = new PreferenceManager(this);
        if (!prefManager.isFirstTimeLaunch()) {
            launchHomeScreen();
            finish();
        }

        // Making notification bar transparent
        if (Build.VERSION.SDK_INT >= 21) {
            getWindow().getDecorView().setSystemUiVisibility(View.SYSTEM_UI_FLAG_LAYOUT_STABLE | View.SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN);
        }
        setContentView(R.layout.activity_afterwelcome);
        spinner1 = (Spinner) findViewById(R.id.spinner1);
        viewPager = (ViewPager) findViewById(R.id.view_pager);
        dotsLayout = (LinearLayout) findViewById(R.id.layoutDots);
        btnSkip = (Button) findViewById(R.id.btn_skip);
        btnNext = (Button) findViewById(R.id.btn_next);
        final RadioButton radioButton=(RadioButton)findViewById(R.id.radioButton);
        final RadioButton radioButton2=(RadioButton)findViewById(R.id.radioButton2);
        final RadioButton radioButton3=(RadioButton)findViewById(R.id.radioButton3);
        final RadioButton radioButton4=(RadioButton)findViewById(R.id.radioButton4);
        final RadioButton radioButton5=(RadioButton)findViewById(R.id.radioButton5);
        final RadioButton radioButton6=(RadioButton)findViewById(R.id.radioButton6);
        final RadioButton radioButton7=(RadioButton)findViewById(R.id.radioButton7);


        // layouts of all welcome sliders
        // add few more layouts if you want
        layouts = new int[]{
                R.layout.slide_screen1,
                R.layout.slide_screen2,
                R.layout.slide_screen3,
                R.layout.slide_screen4,
                R.layout.slide_screen5};

        // adding bottom dots
        addBottomDots(0);

        // making notification bar transparent
        changeStatusBarColor();

        myViewPagerAdapter = new MyViewPagerAdapter();
        viewPager.setAdapter(myViewPagerAdapter);
        viewPager.addOnPageChangeListener(viewPagerPageChangeListener);

        btnSkip.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                launchHomeScreen();
            }
        });

        btnNext.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                // checking for last page
                // if last page home screen will be launched
                int current = getItem(+1);
                if (current < layouts.length) {
                    // move to next screen
                    viewPager.setCurrentItem(current);
                }else if (current == layouts.length-2) {
                    addItemsOnSpinner1();
                }
                else if (current == layouts.length-1) {
                    SharedPreferences.Editor editor=getSharedPreferences(Colloge_section,MODE_PRIVATE).edit();
                    if (radioButton.isChecked()){
                        editor.putString("mssg","collage 1");}
                    else if (radioButton2.isChecked()){
                        editor.putString("mssg","collage 2");}
                    else if (radioButton3.isChecked()){
                        editor.putString("mssg","collage 3");}
                    else if (radioButton4.isChecked()){
                        editor.putString("mssg","collage 4");}
                    else if (radioButton5.isChecked()){
                        editor.putString("mssg","collage 5");}
                    else if (radioButton6.isChecked()){
                        editor.putString("mssg","collage 6");}
                    else if (radioButton7.isChecked()){
                        editor.putString("mssg","collage 7");}
                    editor.apply();
                }
                else {
                    launchHomeScreen();
                }
        }});
    }
    public void addItemsOnSpinner1() {
        List<String> list = new ArrayList<String>();
        list.add("ar");
        list.add("English");
        ArrayAdapter<String> dataAdapter = new ArrayAdapter<String>(this, android.R.layout.simple_spinner_item,list);
        dataAdapter.setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item);
        spinner1.setAdapter(dataAdapter);
    }

    private void addBottomDots(int currentPage) {
        dots = new TextView[layouts.length];

        int[] colorsActive = getResources().getIntArray(R.array.array_dot_active);
        int[] colorsInactive = getResources().getIntArray(R.array.array_dot_inactive);

        dotsLayout.removeAllViews();
        for (int i = 0; i < dots.length; i++) {
            dots[i] = new TextView(this);
            dots[i].setText(Html.fromHtml("•"));
            dots[i].setTextSize(35);
            dots[i].setTextColor(colorsInactive[currentPage]);
            dotsLayout.addView(dots[i]);
        }

        if (dots.length > 0)
            dots[currentPage].setTextColor(colorsActive[currentPage]);
    }

    private int getItem(int i) {
        return viewPager.getCurrentItem() + i;
    }

    private void launchHomeScreen() {
        prefManager.setFirstTimeLaunch(false);
        startActivity(new Intent(AfterwelcomeActivity.this, WelcomeActivity.class));
        finish();
    }

    //  viewpager change listener
    ViewPager.OnPageChangeListener viewPagerPageChangeListener = new ViewPager.OnPageChangeListener() {

        @Override
        public void onPageSelected(int position) {
            addBottomDots(position);

            // changing the next button text 'NEXT' / 'GOT IT'
            if (position == layouts.length - 1) {
                // last page. make button text to GOT IT
                btnNext.setText(getString(R.string.start));
                btnSkip.setVisibility(View.GONE);
            } else {
                // still pages are left
                btnNext.setText(getString(R.string.next));
                btnSkip.setVisibility(View.VISIBLE);
            }
        }

        @Override
        public void onPageScrolled(int arg0, float arg1, int arg2) {

        }

        @Override
        public void onPageScrollStateChanged(int arg0) {

        }
    };

    /**
     * Making notification bar transparent
     */
    private void changeStatusBarColor() {
        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP) {
            Window window = getWindow();
            window.addFlags(WindowManager.LayoutParams.FLAG_DRAWS_SYSTEM_BAR_BACKGROUNDS);
            window.setStatusBarColor(Color.TRANSPARENT);
        }
    }

    /**
     * View pager adapter
     */
    public class MyViewPagerAdapter extends PagerAdapter {
        private LayoutInflater layoutInflater;

        public MyViewPagerAdapter() {
        }

        @Override
        public Object instantiateItem(ViewGroup container, int position) {
            layoutInflater = (LayoutInflater) getSystemService(Context.LAYOUT_INFLATER_SERVICE);

            View view = layoutInflater.inflate(layouts[position], container, false);
            container.addView(view);

            return view;
        }

        @Override
        public int getCount() {
            return layouts.length;
        }

        @Override
        public boolean isViewFromObject(View view, Object obj) {
            return view == obj;
        }


        @Override
        public void destroyItem(ViewGroup container, int position, Object object) {
            View view = (View) object;
            container.removeView(view);
        }
    }
}

Что я уже пробовал:

спрашивать Переполнение стека - где разработчики учатся, делятся и строят карьеру[^]

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