Android Open Source - ambient-nights Theme Detail Fragment

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Back to project page ambient-nights.

License

The source code is released under:

MIT License

Java Source Code

package com.cs371mproject.ambientnights;
/*w  w w .  j ava 2 s  . c  o  m*/
import java.util.HashMap;
import java.util.Map;

import android.content.res.Resources;
import android.graphics.Bitmap;
import android.graphics.BitmapFactory;
import android.os.Bundle;
import android.support.v4.app.Fragment;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.TextView;

import com.cs371mproject.ambientnights.content.Menu;

/**
 * A fragment representing a single Theme detail screen. This fragment is either
 * contained in a {@link ThemeListActivity} in two-pane mode (on tablets) or a
 * {@link ThemeDetailActivity} on handsets.
 */
public class ThemeDetailFragment extends Fragment {
  Map<String, Integer> map = new HashMap<String, Integer>();

  /**
   * The fragment argument representing the item ID that this fragment
   * represents.
   */
  public static final String ARG_ITEM_ID = "item_id";

  /**
   * The dummy content this fragment is presenting.
   */
  private Menu.Theme mItem;

  /**
   * Mandatory empty constructor for the fragment manager to instantiate the
   * fragment (e.g. upon screen orientation changes).
   */
  public ThemeDetailFragment() {
  }

  @Override
  public void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);

    if (getArguments().containsKey(ARG_ITEM_ID)) {
      // Load the dummy content specified by the fragment
      // arguments. In a real-world scenario, use a Loader
      // to load content from a content provider.
      mItem = Menu.ITEM_MAP.get(getArguments().getString(ARG_ITEM_ID));
    }
  }

  @Override
  public View onCreateView(LayoutInflater inflater, ViewGroup container,
      Bundle savedInstanceState) {
    View rootView = inflater.inflate(R.layout.fragment_theme_detail,
        container, false);

    // if (mItem != null) {
    // // Show the name of the theme
    // ((TextView) rootView.findViewById(R.id.theme_detail))
    // .setText(mItem.content);
    //
    // // Show theme image (To be changed to description)
    // ImageView background = (ImageView)
    // rootView.findViewById(R.id.themeBackground);
    // int id =
    // getResources().getIdentifier("com.cs371mproject.ambientnights:drawable/"
    // + mItem.toString().toLowerCase(Locale.ENGLISH), null, null);
    // background.setImageResource(id);
    //
    // //
    // background.setImageBitmap(decodeSampledBitmapFromResource(getResources(),
    // id, 800, 800));
    // }

    if (mItem != null) {
      // Show the name of the theme
      ((TextView) rootView.findViewById(R.id.theme_detail))
          .setText(mItem.content);

      map.put("Jungle", 1);
      map.put("Ocean", 2);
      map.put("Rain", 3);
      map.put("River", 4);

      switch (map.get(mItem.toString())) {
      case 1:
        ((TextView) rootView.findViewById(R.id.themeDescription))
        .setText(getResources().getString(R.string.jungle_desc));
        break;
      case 2:
        ((TextView) rootView.findViewById(R.id.themeDescription))
        .setText(getResources().getString(R.string.ocean_desc));
        break;
      case 3:
        ((TextView) rootView.findViewById(R.id.themeDescription))
        .setText(getResources().getString(R.string.rain_desc));
        break;
      case 4:
        ((TextView) rootView.findViewById(R.id.themeDescription))
        .setText(getResources().getString(R.string.river_desc));
        break;
      default:
        ((TextView) rootView.findViewById(R.id.themeDescription))
            .setText(getResources().getString(R.string.dne_desc));
        break;
      }
    }

    return rootView;
  }

  public static Bitmap decodeSampledBitmapFromResource(Resources res,
      int resId, int reqWidth, int reqHeight) {

    // First decode with inJustDecodeBounds=true to check dimensions
    final BitmapFactory.Options options = new BitmapFactory.Options();
    options.inJustDecodeBounds = true;
    BitmapFactory.decodeResource(res, resId, options);

    // Calculate inSampleSize
    options.inSampleSize = calculateInSampleSize(options, reqWidth,
        reqHeight);

    // Decode bitmap with inSampleSize set
    options.inJustDecodeBounds = false;
    return BitmapFactory.decodeResource(res, resId, options);
  }

  public static int calculateInSampleSize(BitmapFactory.Options options,
      int reqWidth, int reqHeight) {
    // Raw height and width of image
    final int height = options.outHeight;
    final int width = options.outWidth;
    int inSampleSize = 1;

    if (height > reqHeight || width > reqWidth) {

      final int halfHeight = height / 2;
      final int halfWidth = width / 2;

      // Calculate the largest inSampleSize value that is a power of 2 and
      // keeps both
      // height and width larger than the requested height and width.
      while ((halfHeight / inSampleSize) > reqHeight
          && (halfWidth / inSampleSize) > reqWidth) {
        inSampleSize *= 2;
      }
    }

    return inSampleSize;
  }
}

Java Source Code List

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