Android Open Source - Campaign-Manager-Code-Sample Campaign Manager Activity

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License

The source code is released under:

Apache License

Java Source Code

package com.microsoft.campaignmanager;
//  w ww  . ja  v a 2 s  . com
import java.util.Locale;

import com.microsoft.campaignmanager.AppSettingsActivity;
import com.microsoft.campaignmanager.CampaignManagerActivity;
import com.microsoft.campaignmanager.adapters.CampaignItemAdapter;
import com.microsoft.campaignmanager.tasks.RetrieveCampaignsTask;

import android.app.Activity;
import android.app.ActionBar;
import android.app.Fragment;
import android.app.FragmentManager;
import android.app.FragmentTransaction;
import android.content.Context;
import android.content.Intent;
import android.support.v13.app.FragmentPagerAdapter;
import android.os.Bundle;
import android.preference.PreferenceManager;
import android.support.v4.view.ViewPager;
import android.view.LayoutInflater;
import android.view.Menu;
import android.view.MenuItem;
import android.view.View;
import android.view.ViewGroup;
import android.widget.GridView;

public class CampaignManagerActivity extends Activity implements ActionBar.TabListener {

  /**
   * The {@link android.support.v4.view.PagerAdapter} that will provide
   * fragments for each of the sections. We use a
   * {@link FragmentPagerAdapter} derivative, which will keep every
   * loaded fragment in memory. If this becomes too memory intensive, it
   * may be best to switch to a
   * {@link android.support.v13.app.FragmentStatePagerAdapter}.
   */
  SectionsPagerAdapter mSectionsPagerAdapter;

  private Context mAppContext;

  private String pendingFragmentTag;
  private String inProgressFragmentTag;
  
  /**
   * The {@link ViewPager} that will host the section contents.
   */
  ViewPager mViewPager;

  public String getPendingTag() {
    return pendingFragmentTag;
  }
  
  public String getInProgressTag() {
    return inProgressFragmentTag;
  }

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

    // Set up the action bar.
    final ActionBar actionBar = getActionBar();
    actionBar.setNavigationMode(ActionBar.NAVIGATION_MODE_TABS);
    
    mAppContext = this.getApplicationContext();
    new CampaignManagerPreferences(mAppContext,
         PreferenceManager.getDefaultSharedPreferences(this));

    // Create the adapter that will return a fragment for each of the three
    // primary sections of the activity.
    mSectionsPagerAdapter = new SectionsPagerAdapter(getFragmentManager());

    // Set up the ViewPager with the sections adapter.
    mViewPager = (ViewPager) findViewById(R.id.pager);
    mViewPager.setAdapter(mSectionsPagerAdapter);

//    // When swiping between different sections, select the corresponding
//    // tab. We can also use ActionBar.Tab#select() to do this if we have
//    // a reference to the Tab.
//    mViewPager.setOnPageChangeListener(new ViewPager.SimpleOnPageChangeListener() {
//      @Override
//      public void onPageSelected(int position) {
//        actionBar.setSelectedNavigationItem(position);
//      }
//    });
//
//    // For each of the sections in the app, add a tab to the action bar.
//    for (int i = 0; i < mSectionsPagerAdapter.getCount(); i++) {
//      // Create a tab with text corresponding to the page title defined by
//      // the adapter. Also specify this Activity object, which implements
//      // the TabListener interface, as the callback (listener) for when
//      // this tab is selected.
//      actionBar.addTab(
//          actionBar.newTab()
//          .setText(mSectionsPagerAdapter.getPageTitle(i))
//          .setTabListener(this));
//    }
  }

  @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.
    switch (item.getItemId()) {
    case R.id.action_settings: {
      startActivity(new Intent(this, AppSettingsActivity.class));
      return true;
    }
    case R.id.action_refresh: {
      Fragment pendingFragment = this.getFragmentManager().findFragmentByTag(pendingFragmentTag);
      new RetrieveCampaignsTask(this, (PlaceholderFragment) pendingFragment, 1).execute();
      Fragment inProgressFragment = this.getFragmentManager().findFragmentByTag(inProgressFragmentTag);
      new RetrieveCampaignsTask(this, (PlaceholderFragment) inProgressFragment, 2).execute();
    }
    default:
      return true;
    }
  }

  @Override
  public void onTabSelected(ActionBar.Tab tab, FragmentTransaction fragmentTransaction) {
    // When the given tab is selected, switch to the corresponding page in
    // the ViewPager.
    mViewPager.setCurrentItem(tab.getPosition());
  }

  @Override
  public void onTabUnselected(ActionBar.Tab tab, FragmentTransaction fragmentTransaction) {
  }

  @Override
  public void onTabReselected(ActionBar.Tab tab, FragmentTransaction fragmentTransaction) {
  }

  /**
   * A {@link FragmentPagerAdapter} that returns a fragment corresponding to
   * one of the sections/tabs/pages.
   */
  public class SectionsPagerAdapter extends FragmentPagerAdapter {

    public SectionsPagerAdapter(FragmentManager fm) {
      super(fm);
    }

    @Override
    public Fragment getItem(int position) {
      // getItem is called to instantiate the fragment for the given page.
      // Return a PlaceholderFragment (defined as a static inner class below).
      return PlaceholderFragment.newInstance(position + 1);
    }

    @Override
    public int getCount() {
      // Show 3 total pages.
      return 2;
    }

    @Override
    public CharSequence getPageTitle(int position) {
      Locale l = Locale.getDefault();
      switch (position) {
      case 0:
        return getString(R.string.title_section1).toUpperCase(l);
      case 1:
        return getString(R.string.title_section2).toUpperCase(l);
      }
      return null;
    }
  }
 
  /**
   * A placeholder fragment containing a simple view.
   */
  public static class PlaceholderFragment extends Fragment {
    /**
     * The fragment argument representing the section number for this
     * fragment.
     */
    private static final String ARG_SECTION_NUMBER = "section_number";
    private GridView mGridView;

    /**
     * Returns a new instance of this fragment for the given section
     * number.
     */
    public static PlaceholderFragment newInstance(int sectionNumber) {
      PlaceholderFragment fragment = new PlaceholderFragment();
      Bundle args = new Bundle();
      args.putInt(ARG_SECTION_NUMBER, sectionNumber);
      fragment.setArguments(args);
      return fragment;
    }

    public PlaceholderFragment() {
    }

    @Override
    public View onCreateView(LayoutInflater inflater, ViewGroup container,
        Bundle savedInstanceState) {
      View rootView = inflater.inflate(R.layout.fragment_campaignlist, container, false);
      //TextView textView = (TextView) rootView.findViewById(R.id.section_label);
      //textView.setText(Integer.toString(getArguments().getInt(ARG_SECTION_NUMBER)));
      Integer sectionNumber = getArguments().getInt(ARG_SECTION_NUMBER);
      
      switch (sectionNumber){
      case 1:{
        ((CampaignManagerActivity) getActivity()).pendingFragmentTag = getTag();
      }
      case 2:{
        ((CampaignManagerActivity) getActivity()).inProgressFragmentTag = getTag();
      }
      }
      
      new RetrieveCampaignsTask((CampaignManagerActivity) this.getActivity(), PlaceholderFragment.this, getArguments().getInt(ARG_SECTION_NUMBER)).execute();

      mGridView = (GridView) rootView;
      return rootView;
    }
    
    public void setListAdapter(CampaignItemAdapter adapter) {
      mGridView.setAdapter(adapter);  
    }
  }
}

Java Source Code List

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