Android Open Source - AndroidViewPagerIndicator Main Activity

• Back to Development/viewpager  ↑

From Project

Back to project page AndroidViewPagerIndicator.

License

The source code is released under:

MIT License

Java Source Code

package com.efoad.viewpagerindicatorsample;
//w w  w . j  a  v  a2s .  com
import android.os.Bundle;
import android.support.v4.app.Fragment;
import android.support.v4.app.FragmentActivity;
import android.support.v4.app.FragmentManager;
import android.support.v4.app.FragmentStatePagerAdapter;
import android.support.v4.view.PagerAdapter;
import android.support.v4.view.ViewPager;

import com.efoad.views.ViewPagerIndicator;

public class MainActivity extends FragmentActivity {

  /**
     * The number of pages (wizard steps) to show in this demo.
     */
    private static final int NUM_PAGES = 5;

    /**
     * The pager widget, which handles animation and allows swiping horizontally to access previous
     * and next wizard steps.
     */
    private ViewPager mPager;

    /**
     * The pager adapter, which provides the pages to the view pager widget.
     */
    private PagerAdapter mPagerAdapter;

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

        // Instantiate a ViewPager and a PagerAdapter.
        mPager = (ViewPager) findViewById(R.id.pager);
        mPagerAdapter = new ScreenSlidePagerAdapter(getSupportFragmentManager());
        mPager.setAdapter(mPagerAdapter);
        
        ((ViewPagerIndicator)findViewById(R.id.viewpager_indicator)).setViewPager(mPager);
    }

    @Override
    public void onBackPressed() {
        if (mPager.getCurrentItem() == 0) {
            // If the user is currently looking at the first step, allow the system to handle the
            // Back button. This calls finish() on this activity and pops the back stack.
            super.onBackPressed();
        } else {
            // Otherwise, select the previous step.
            mPager.setCurrentItem(mPager.getCurrentItem() - 1);
        }
    }

    /**
     * A simple pager adapter that represents 5 ScreenSlidePageFragment objects, in
     * sequence.
     */
    private class ScreenSlidePagerAdapter extends FragmentStatePagerAdapter {
        public ScreenSlidePagerAdapter(FragmentManager fm) {
            super(fm);
        }

        @Override
        public Fragment getItem(int position) {
          ScreenSlidePageFragment screenSlidePageFragment = new ScreenSlidePageFragment();
          Bundle bundle = new Bundle();
      bundle.putInt("page", position);
      screenSlidePageFragment.setArguments(bundle);
            return screenSlidePageFragment;
        }

        @Override
        public int getCount() {
            return NUM_PAGES;
        }
    }

}

Java Source Code List

• Back to Development/viewpager  ↑