wie Sie Element löschen aus viewpager und pageradapter

Ich bin mit pageradapter und viewpager anzeigen Bildansicht array,textview-array .Aber wie lösche ich die pager auf den button klicken .Gesamte code in der code unten ,aber ich habe Hinzugefügt-Schaltfläche in xml onclick sollte die Seite löschen.

http://www.androidbegin.com/tutorial/android-viewpager-gallery-images-and-texts-tutorial/

 package com.androidbegin.viewpagertutorial;

    import android.content.Context;
    import android.support.v4.view.PagerAdapter;
    import android.support.v4.view.ViewPager;
    import android.view.LayoutInflater;
    import android.view.View;
    import android.view.View.OnClickListener;
    import android.view.ViewGroup;
    import android.widget.Button;
    import android.widget.ImageView;
    import android.widget.RelativeLayout;
    import android.widget.TextView;

    public class ViewPagerAdapter extends PagerAdapter {
        //Declare Variables
        Context context;
        String[] rank;
        String[] country;
        String[] population;
        int[] flag;
        LayoutInflater inflater;

        public ViewPagerAdapter(Context context, String[] rank, String[] country,
                String[] population, int[] flag) {
            this.context = context;
            this.rank = rank;
            this.country = country;
            this.population = population;
            this.flag = flag;
        }

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

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

        @Override
        public Object instantiateItem(final ViewGroup container, final int position) {

            //Declare Variables
            TextView txtrank;
            TextView txtcountry;
            TextView txtpopulation;
            ImageView imgflag;

            Button b;

            inflater = (LayoutInflater) context
                    .getSystemService(Context.LAYOUT_INFLATER_SERVICE);
            View itemView = inflater.inflate(R.layout.viewpager_item, container,
                    false);

            //Locate the TextViews in viewpager_item.xml
            txtrank = (TextView) itemView.findViewById(R.id.rank);
            txtcountry = (TextView) itemView.findViewById(R.id.country);
            txtpopulation = (TextView) itemView.findViewById(R.id.population);
            b=(Button)itemView.findViewById(R.id.button1);


            b.setOnClickListener(new OnClickListener() {

                @Override
                public void onClick(View v) {



                }
            });

            //Capture position and set to the TextViews
            txtrank.setText(rank[position]);
            txtcountry.setText(country[position]);
            txtpopulation.setText(population[position]);

            //Locate the ImageView in viewpager_item.xml
            imgflag = (ImageView) itemView.findViewById(R.id.flag);
            //Capture position and set to the ImageView
            imgflag.setImageResource(flag[position]);

            //Add viewpager_item.xml to ViewPager
            ((ViewPager) container).addView(itemView);

            return itemView;
        }

        @Override
        public void destroyItem(ViewGroup container, int position, Object object) {
            //Remove viewpager_item.xml from ViewPager
            ((ViewPager) container).removeView((RelativeLayout) object);

        }
    }

////////////////////

//Locate the ViewPager in viewpager_main.xml
        viewPager = (ViewPager) findViewById(R.id.pager);
        //Pass results to ViewPagerAdapter Class
        adapter = new ViewPagerAdapter(MainActivity.this, rank, country, population, flag);
        //Binds the Adapter to the ViewPager
        viewPager.setAdapter(adapter);
InformationsquelleAutor jason | 2014-09-28
Schreibe einen Kommentar