Android Open Source - AndroidTabsSample Main

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License

The source code is released under:

Apache License

Java Source Code

package com.silverhillapps.androidtabssample;
// w w  w.  j  a va 2  s  .  c om
import com.silverhillapps.adapter.ATSFragmentAdapter;
import com.silverhillapps.androidtabssample.R;
import android.support.v7.app.ActionBar.Tab;
import android.support.v7.app.ActionBarActivity;
import android.support.v7.app.ActionBar;
import android.support.v4.app.FragmentTransaction;
import android.support.v4.view.PagerTitleStrip;
import android.support.v4.view.ViewPager;
import android.graphics.Point;
import android.os.Bundle;
import android.view.Display;
import android.view.Menu;
import android.view.MenuItem;
import android.view.MotionEvent;
import android.view.View;


/**
 * This project is an example of tab navigation in Android with dynamic capabilities to delete and create tabs.
 * @author SalvaAguilar
 *
 */

public class Main extends ActionBarActivity implements
ActionBar.TabListener{

  private ATSFragmentAdapter mSectionsPagerAdapter;
  private ViewPager mViewPager;
  private PagerTitleStrip mPagerTitleStrip;
  
  private int currentTab = 1;
  
  @Override
  protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    
    // Set up the action bar.
    final ActionBar actionBar = getSupportActionBar();
    actionBar.setDisplayShowHomeEnabled(false);
    
    setContentView(R.layout.activity_main);

    // Create the section adapter
    mSectionsPagerAdapter = new ATSFragmentAdapter(
        getSupportFragmentManager());
    
    // Populate with some dummy data
    mSectionsPagerAdapter.addNewTab("one");
    mSectionsPagerAdapter.addNewTab("two");
    mSectionsPagerAdapter.addNewTab("three");

    // Set up the ViewPager with the sections adapter.
    mViewPager = (ViewPager) findViewById(R.id.pager);
    mViewPager.setAdapter(mSectionsPagerAdapter);
    
    // Create the pagerTitleStrip
    mPagerTitleStrip = (PagerTitleStrip)findViewById(R.id.pts_main_actividadB);
    
    mPagerTitleStrip.setOnTouchListener(new View.OnTouchListener() {
  
  @Override
  public boolean onTouch(View v, MotionEvent event) {
    
    // Manage the touch over title strip for forcing to update view pager
    if(event.getAction() == MotionEvent.ACTION_DOWN){
    Display display = getWindowManager().getDefaultDisplay();
    Point size = new Point();
    display.getSize(size);
    int width = size.x;
    
    if(event.getX()>(width*0.8) && event.getX()<width){
      if((currentTab+1)<mSectionsPagerAdapter.getCount()){

        currentTab +=1;
        mViewPager.setCurrentItem(currentTab, true);

      }
    }
    
    if(event.getX()<(width*0.2) && event.getX()>0){
      if((currentTab-1)>=0){
        currentTab-=1;
        mViewPager.setCurrentItem(currentTab, true);
      }  
    }
    
    return true;
    }
    return false;
  }
});
    // Create the on page change listener from view pager
    mViewPager
    .setOnPageChangeListener(new ViewPager.SimpleOnPageChangeListener() {
      @Override
      public void onPageSelected(int position) {
        mViewPager.setCurrentItem(position);
        currentTab = position;
      }
    });
  }

  @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) {

    // Menu actions
    int id = item.getItemId();
    switch(id){
    case R.id.action_add:
      mSectionsPagerAdapter.addNewTab("new: " + mSectionsPagerAdapter.getCount());
      mSectionsPagerAdapter.notifyDataSetChanged();
      return true;
      
    case R.id.action_del:
      mSectionsPagerAdapter.delLastTab();
      mSectionsPagerAdapter.notifyDataSetChanged();
      return true;
      
    }
    
    return super.onOptionsItemSelected(item);
  }

  
  @Override
  public void onTabReselected(Tab arg0, FragmentTransaction arg1) {
    // TODO Auto-generated method stub
    
  }

  @Override
  public void onTabSelected(Tab arg0, FragmentTransaction arg1) {
    // TODO Auto-generated method stub
    
  }

  @Override
  public void onTabUnselected(Tab arg0, FragmentTransaction arg1) {
    // TODO Auto-generated method stub
    
  }

}

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