Android Open Source - Recipe-Puppy-Android Main Activity

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License

The source code is released under:

Apache License

Java Source Code

package com.jerin.magicrecipe;
//  w ww.j  av  a2 s.  com
import android.content.Context;
import android.os.Bundle;
import android.support.v4.app.Fragment;
import android.support.v4.app.FragmentManager;
import android.support.v4.widget.DrawerLayout;
import android.support.v7.app.ActionBar;
import android.support.v7.app.ActionBarActivity;

import com.jerin.magicrecipe.data.MagicRecipeConstants;
import com.jerin.magicrecipe.fragments.RecipeViewPagerFragment;
import com.jerin.magicrecipe.fragments.RecipeSearchFragment;
import com.nostra13.universalimageloader.cache.disc.naming.Md5FileNameGenerator;
import com.nostra13.universalimageloader.core.ImageLoader;
import com.nostra13.universalimageloader.core.ImageLoaderConfiguration;
import com.nostra13.universalimageloader.core.assist.QueueProcessingType;

public class MainActivity extends ActionBarActivity implements
    NavigationDrawerFragment.NavigationDrawerCallbacks {

  /**
   * Fragment managing the behaviors, interactions and presentation of the
   * navigation drawer.
   */
  private NavigationDrawerFragment mNavigationDrawerFragment;

  /**
   * Used to store the last screen title. For use in
   * {@link #updateActionBar()}.
   */
  private CharSequence mTitle;

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

    mNavigationDrawerFragment = (NavigationDrawerFragment) getSupportFragmentManager()
        .findFragmentById(R.id.navigation_drawer);
    mTitle = getTitle();

    initImageLoader(this);

    // Set up the drawer.
    mNavigationDrawerFragment.setUp(R.id.navigation_drawer,
        (DrawerLayout) findViewById(R.id.drawer_layout));

  }

  @Override
  public void onNavigationDrawerItemSelected(int position) {
    // update the main content by replacing fragments

    Fragment contentFragment = null;

    switch (position) {
    case MagicRecipeConstants.MAGICRECIPE_TAB_TODAYS_SPECIAL:
      contentFragment = new RecipeViewPagerFragment();
      break;

    case MagicRecipeConstants.MAGICRECIPE_TAB_SEARCH_RECIPES:
      contentFragment = new RecipeSearchFragment();

    default:
      break;
    }

    attachContentFragment(position, contentFragment);
  }

  public void attachContentFragment(int position, Fragment contentFragment) {
    Bundle args = contentFragment.getArguments();

    if (null == args) {
      args = new Bundle();
    }
    args.putInt(MagicRecipeConstants.MAGICRECIPE_TAB_KEY, position);
    contentFragment.setArguments(args);

    FragmentManager fragmentManager = getSupportFragmentManager();
    fragmentManager.beginTransaction()
        .replace(R.id.container, contentFragment).commit();
  }

  /**
   * Callback from frgaments indicating tab number. This can be used to
   * identify what title to be shown on Actionbar.
   * 
   * @param number
   */
  public void onSectionAttached(int number) {
    switch (number) {
    case MagicRecipeConstants.MAGICRECIPE_TAB_TODAYS_SPECIAL:
      mTitle = getString(R.string.title_section1);
      break;
    case MagicRecipeConstants.MAGICRECIPE_TAB_SEARCH_RECIPES:
      mTitle = getString(R.string.title_section2);
      break;
    case MagicRecipeConstants.MAGICRECIPE_TAB_SEARCH_RESULTS:
      mTitle = getString(R.string.title_section3);
      break;
    }
    updateActionBar();
  }

  public void updateActionBar() {
    ActionBar actionBar = getSupportActionBar();
    actionBar.setNavigationMode(ActionBar.NAVIGATION_MODE_STANDARD);
    actionBar.setDisplayShowTitleEnabled(true);
    actionBar.setTitle(mTitle);
  }

  /**
   * Initialize Universal Image Loader.
   * 
   * @param context
   */
  public static void initImageLoader(Context context) {
    // This configuration tuning is custom. You can tune every option, you
    // may tune some of them,
    // or you can create default configuration by
    // ImageLoaderConfiguration.createDefault(this);
    // method.
    ImageLoaderConfiguration config = new ImageLoaderConfiguration.Builder(
        context).threadPriority(Thread.NORM_PRIORITY - 2)
        .denyCacheImageMultipleSizesInMemory()
        .diskCacheFileNameGenerator(new Md5FileNameGenerator())
        .diskCacheSize(50 * 1024 * 1024)
        // 50 Mb
        .tasksProcessingOrder(QueueProcessingType.LIFO)
        .writeDebugLogs() // Remove for release app
        .build();
    // Initialize ImageLoader with configuration.
    ImageLoader.getInstance().init(config);
  }

}

Java Source Code List

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