Android Open Source - CoolWeather Details Activity Host

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Back to project page CoolWeather.

License

The source code is released under:

GNU General Public License

Java Source Code

package org.das.coolweather.activities;
/*from  ww  w. ja v a  2s .  co  m*/
import org.das.coolweather.R;
import org.das.coolweather.fragments.Details;
import org.das.coolweather.fragments.Graph;
import org.json.JSONException;
import org.json.JSONObject;

import android.app.Activity;
import android.app.ActionBar;
import android.app.Fragment;
import android.app.FragmentManager;
import android.app.FragmentTransaction;
import android.content.Intent;
import android.support.v13.app.FragmentPagerAdapter;
import android.os.Bundle;
import android.support.v4.view.ViewPager;
import android.view.Menu;
import android.view.MenuItem;
import android.widget.ShareActionProvider;

public class DetailsActivityHost 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 ShareActionProvider mShareActionProvider;
  private static JSONObject data;

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

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

    // Set up the action bar.
    final ActionBar actionBar = getActionBar();
    actionBar.setNavigationMode(ActionBar.NAVIGATION_MODE_TABS);

    // 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));
    }
    
    try {
      data = new JSONObject(getIntent().getStringExtra("JSON_DATA"));
    } catch (JSONException e) {
      e.printStackTrace();
    }
  }

  @Override
  public boolean onCreateOptionsMenu(Menu menu) {

    // Inflate the menu; this adds items to the action bar if it is present.
    getMenuInflater().inflate(R.menu.details_activity_host, menu);
    
    // Set up ShareActionProvider's default share intent
      MenuItem item = menu.findItem(R.id.menu_item_share);
      
      mShareActionProvider = (ShareActionProvider) item.getActionProvider();
      mShareActionProvider.setShareIntent(getDefaultIntent());


    return true;
  }
  
  /** Defines a default (dummy) share intent to initialize the action provider.
    * However, as soon as the actual content to be used in the intent
    * is known or changes, you must update the share intent by again calling
    * mShareActionProvider.setShareIntent()
    */
  private Intent getDefaultIntent() {
      Intent intent = new Intent(Intent.ACTION_SEND);
      intent.setType("text/plain");
      intent.putExtra(Intent.EXTRA_TEXT, getPrediction());
      return intent;
  }


  private String getPrediction() {
    String result = "";
    try {
      String ciudad = data.getJSONObject("city").getString("name");
      String pais = data.getJSONObject("city").getString("country");
      JSONObject hoy = data.getJSONArray("list").getJSONObject(0);
      String tempMax = hoy.getJSONObject("temp").getString("max");
      String tempMin = hoy.getJSONObject("temp").getString("min");
      String weather = hoy.getJSONArray("weather").getJSONObject(0).getString("description");
      result = getApplicationContext().getString(R.string.TodayIn) + " " + ciudad + ", " + pais + " " +
          getApplicationContext().getString(R.string.ThereIsAPrevision)+ " " + weather + " " +
          getApplicationContext().getString(R.string.AndTempMax) + " " + tempMax + " " +
          getApplicationContext().getString(R.string.AndTempMin) + " " + tempMin;
      
    } catch (JSONException e) {
      e.printStackTrace();
    }
    
    return result;
  }

  @Override
  public boolean onOptionsItemSelected(MenuItem item) {
    return super.onOptionsItemSelected(item);
  }

  @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) {
      
      Fragment toReturn = null;
      
      switch (position+1) {
      case 1:
        toReturn = Details.newInstance();
        break;
      case 2:
        toReturn = Graph.newInstance();
        break;
      }
      return toReturn;
    }

    @Override
    public int getCount() {
      return 2;
    }

    @Override
    public CharSequence getPageTitle(int position) {
      switch (position) {
      case 0:
        return getString(R.string.title_activity_prevision);
      case 1:
        return getString(R.string.title_activity_chart);
      }
      return null;
    }
  }

}

Java Source Code List

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