Android Open Source - rwestful-android Main Activity

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License

The source code is released under:

MIT License

Java Source Code

package com.rwestful.android;
/*from   w w  w . jav a  2  s  .  co  m*/
import java.util.Locale;

import android.app.ActionBar;
import android.app.FragmentTransaction;
import android.content.Context;
import android.content.Intent;
import android.content.SharedPreferences;
import android.net.Uri;
import android.os.Bundle;
import android.preference.PreferenceManager;
import android.support.v4.app.Fragment;
import android.support.v4.app.FragmentActivity;
import android.support.v4.app.FragmentManager;
import android.support.v4.app.FragmentPagerAdapter;
//import android.support.v4.app.NavUtils;
import android.support.v4.view.ViewPager;
//import android.view.Gravity;
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 com.rwestful.android.listeners.OnSettingsMenuItemClickListener;
import com.rwestful.android.web.services.HTTPService;

public class MainActivity extends FragmentActivity implements ActionBar.TabListener {

  /**
   * The {@link android.support.v4.view.PagerAdapter} that will provide
   * fragments for each of the sections. We use a
   * {@link android.support.v4.app.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.v4.app.FragmentStatePagerAdapter}.
   */
  SectionsPagerAdapter mSectionsPagerAdapter;

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

  public SharedPreferences sharedPreferences;

  SharedPreferences.OnSharedPreferenceChangeListener prefListener = 
          new SharedPreferences.OnSharedPreferenceChangeListener() {

      public void onSharedPreferenceChanged(SharedPreferences prefs, String key) {
            android.util.Log.d("WTF", key);
            android.util.Log.d("WTF", prefs.getAll().toString());
            android.util.Log.d("WTF", Integer.toHexString(System.identityHashCode(MainActivity.this)));
      }
  };
  
  @Override
  protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_main);

    context = this.getApplicationContext();
    
    // Set up the action bar.
    final ActionBar actionBar = getActionBar();
    actionBar.setNavigationMode(ActionBar.NAVIGATION_MODE_TABS);
    //actionBar.setDisplayHomeAsUpEnabled(true);
    //actionBar.setDisplayUseLogoEnabled(true);

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

    // 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));
    }
    
    sharedPreferences = PreferenceManager.getDefaultSharedPreferences(this);
        sharedPreferences.registerOnSharedPreferenceChangeListener(prefListener);
    
  }
  @Override
  protected void onPostCreate(Bundle savedInstanceState) {
    super.onPostCreate(savedInstanceState);

    if (sharedPreferences.getBoolean("start_server_on_app_start", false)) {    
      context.stopService(new Intent(context, HTTPService.class));
        context.startService(new Intent(context, HTTPService.class));      
    }    

  }
  @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 onPrepareOptionsMenu(Menu menu) {

    MenuItem settingsMenu = menu.findItem(R.id.action_settings);
    settingsMenu.setOnMenuItemClickListener(new OnSettingsMenuItemClickListener(this));
    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 DummySectionFragment (defined as a static inner class
      // below) with the page number as its lone argument.
      Fragment fragment = new DummySectionFragment();
      Bundle args = new Bundle();
      args.putInt(DummySectionFragment.ARG_SECTION_NUMBER, position + 1);
      fragment.setArguments(args);
      return fragment;
    }

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

    @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);
      case 2:
        return getString(R.string.title_section3).toUpperCase(l);
      }
      return null;
    }
  }

  /**
   * A dummy fragment representing a section of the app, but that simply
   * displays dummy text.
   */
  public static class DummySectionFragment extends Fragment {
    /**
     * The fragment argument representing the section number for this
     * fragment.
     */
    public static final String ARG_SECTION_NUMBER = "section_number";

    public DummySectionFragment() {
    }

    @Override
    public View onCreateView(LayoutInflater inflater, ViewGroup container,
        Bundle savedInstanceState) {
      View rootView = inflater.inflate(R.layout.fragment_main_dummy, container, false);
      TextView dummyTextView = (TextView) rootView.findViewById(R.id.section_label);
      dummyTextView.setText(Integer.toString(getArguments().getInt(ARG_SECTION_NUMBER)));
      return rootView;
    }
  }

  @Override
  protected void onResume() {
    // TODO Auto-generated method stub
    super.onResume();

    android.util.Log.d("INTENT", this.getIntent().toString());

  }
}

Java Source Code List

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