Android Open Source - 4est Asset

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License

The source code is released under:

MIT License

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Java Source Code

package com.wordsaretoys.rise.utility;
// ww  w.j  a v  a  2 s .c  o  m
import java.io.BufferedInputStream;
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;

import android.content.Context;
import android.graphics.Bitmap;
import android.graphics.BitmapFactory;

/**
 * methods for loading and managing assets
 */
public class Asset {

  /**
   * reads a text file from the assets
   */
  static public String getTextAsset(Context context, String fileName) {
    String text = "";
    try {
      InputStream stream = context.getAssets().open(fileName);
      BufferedReader reader = new BufferedReader(new InputStreamReader(stream));
      String line;
        while( (line = reader.readLine()) != null) {
          text += line + "\n";
        }
    } catch(IOException e) {
      e.printStackTrace();
    }
    return text;
  }

  /**
   * read image file from assets into bitmap 
   */
  static public Bitmap getBitmapAsset(Context context, String fileName) {
      InputStream istr;
      Bitmap bitmap = null;
      try {
          istr = context.getAssets().open(fileName);
          bitmap = BitmapFactory.decodeStream(istr);
      } catch (IOException e) {
        e.printStackTrace();
      }
      return bitmap;  
  }
  
  /**
   * read image file from assets into color array 
   */
  static public int[] getImageAsset(Context context, String fileName) {
      InputStream istr;
      Bitmap bitmap = null;
      try {
          istr = context.getAssets().open(fileName);
          bitmap = BitmapFactory.decodeStream(istr);
      } catch (IOException e) {
        e.printStackTrace();
      }
    // extract the bitmap data
    int w = bitmap.getWidth();
    int h = bitmap.getHeight();
    int[] c = new int[w * h];
    bitmap.getPixels(c, 0, w, 0, 0, w, h);
      return c;  
  }
  
  /**
   * read a binary file from the assets
   */
  static public boolean getBinaryAsset(Context context, String fileName, byte[] buffer) {
    try {
      InputStream stream = context.getAssets().open(fileName);
      BufferedInputStream bist = new BufferedInputStream(stream);
      bist.read(buffer);
    } catch(Exception e) {
      e.printStackTrace();
      return false;
    }
    return true;
  }
  
}

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