Android Open Source - android-training-tutorial Main Activity

• Back to Development/tutorial  ↑

From Project

Back to project page android-training-tutorial.

License

The source code is released under:

MIT License

Java Source Code

package im.ene.zviewpager;
/*w w  w .j a  v a  2s  .  co m*/
import java.util.ArrayList;
import java.util.List;

import android.content.Context;
import android.os.Bundle;
import android.support.v4.app.Fragment;
import android.support.v4.view.PagerAdapter;
import android.support.v4.view.ViewPager;
import android.support.v4.view.ViewPager.OnPageChangeListener;
import android.support.v7.app.ActionBarActivity;
import android.view.LayoutInflater;
import android.view.Menu;
import android.view.MenuItem;
import android.view.View;
import android.view.ViewGroup;
import android.widget.TextView;
import android.widget.Toast;

public class MainActivity extends ActionBarActivity {

  private ViewPager mViewPager;
  private List<View> mViews;
  private ENECustomPagerAdapter mPagerAdapter;
  
  @Override
  protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.fragment_main);

    mViewPager = (ViewPager) findViewById(R.id.pager);
    mViews = new ArrayList<View>();
    
    TextView view = new TextView(this);
    view.setText("sample text view 1");
    view.setTextColor(0x000000);
    mViews.add(view);
    
    view = new TextView(this);
    view.setText("sample text view 2");
    view.setTextColor(0x000000);
    mViews.add(view);
    
    view = new TextView(this);
    view.setText("sample text view 3");
    view.setTextColor(0x000000);
    mViews.add(view);
    
    mPagerAdapter = new ENECustomPagerAdapter(this, mViews);
    mViewPager.setAdapter(mPagerAdapter);
    mViewPager.setOnPageChangeListener(new OnPageChangeListener() {
      
      @Override
      public void onPageSelected(int arg0) {
        // TODO Auto-generated method stub
        Toast.makeText(getBaseContext(), arg0 + "", Toast.LENGTH_SHORT).show();
      }
      
      @Override
      public void onPageScrolled(int arg0, float arg1, int arg2) {
        // TODO Auto-generated method stub
        
      }
      
      @Override
      public void onPageScrollStateChanged(int arg0) {
        // TODO Auto-generated method stub
        
      }
    });

    mViewPager.setCurrentItem(0);
    
  }

  @Override
  protected void onStart() {
    // TODO Auto-generated method stub
    super.onStart();
  }
  
  @Override
  public boolean onCreateOptionsMenu(Menu menu) {

    // Inflate the menu; this adds items to the action bar if it is present.
    getMenuInflater().inflate(R.menu.main, menu);
    return true;
  }

  @Override
  public boolean onOptionsItemSelected(MenuItem item) {
    // Handle action bar item clicks here. The action bar will
    // automatically handle clicks on the Home/Up button, so long
    // as you specify a parent activity in AndroidManifest.xml.
    int id = item.getItemId();
    if (id == R.id.action_settings) {
      return true;
    }
    return super.onOptionsItemSelected(item);
  }

  /**
   * A placeholder fragment containing a simple view.
   */
  public static class PlaceholderFragment extends Fragment {

    public PlaceholderFragment() {
    }

    @Override
    public View onCreateView(LayoutInflater inflater, ViewGroup container,
        Bundle savedInstanceState) {
      View rootView = inflater.inflate(R.layout.fragment_main, container,
          false);
      return rootView;
    }
  }
  
  private class ENECustomPagerAdapter extends PagerAdapter {

    private List<View> list;
    
    public ENECustomPagerAdapter(Context context, List<View> list) {
      this.list = list;
    }
    
    @Override
    public View instantiateItem(ViewGroup container, int position) {
      // TODO Auto-generated method stub
      Toast.makeText(getBaseContext(), "item instantiated", Toast.LENGTH_SHORT).show();
      return list.get(position);
    }
    
    @Override
    public void destroyItem(ViewGroup container, int position, Object object) {
      // TODO Auto-generated method stub
      Toast.makeText(getBaseContext(), "item destroyed", Toast.LENGTH_SHORT).show();
    }
    
    @Override
    public int getCount() {
      // TODO Auto-generated method stub
      return list.size();
    }

    @Override
    public boolean isViewFromObject(View arg0, Object arg1) {
      // TODO Auto-generated method stub
      return false;
    }
    
  }

}

Java Source Code List

• Back to Development/tutorial  ↑