Android examples for App:Assets File
Read a text file from assets
/**//ww w. j av a 2s.c o m * (c) Winterwell Associates Ltd, used under MIT License. This file is background IP. */ //package com.java2s; import java.io.BufferedReader; import java.io.IOException; import java.io.InputStream; import java.io.InputStreamReader; import java.io.Reader; import android.content.Context; import android.content.res.AssetManager; public class Main { /** * Read a text file from assets * * @param context * @param fileName * @return */ public static String read(Context context, String fileName) { try { AssetManager am = context.getAssets(); InputStream in = am.open(fileName); // String pckg = context.getPackageName(); // ContentResolver cr = context.getContentResolver(); // Uri uri = Uri.parse("android.resource://"+pckg+"/"+fileName); // InputStream in = cr.openInputStream(uri); String txt = read(new InputStreamReader(in)); return txt; } catch (Exception e) { throw new RuntimeException(e); } } /** * @param r Will be read and closed * @return The contents of input */ public static String read(Reader r) { try { BufferedReader reader = r instanceof BufferedReader ? (BufferedReader) r : new BufferedReader(r); final int bufSize = 8192; // this is the default BufferredReader // buffer size StringBuilder sb = new StringBuilder(bufSize); char[] cbuf = new char[bufSize]; while (true) { int chars = reader.read(cbuf); if (chars == -1) break; sb.append(cbuf, 0, chars); } return sb.toString(); } catch (IOException e) { throw new RuntimeException(e); } finally { try { r.close(); } catch (Exception e) { throw new RuntimeException(e); } } } public static String read(InputStream inputStream) { return read(new InputStreamReader(inputStream)); } }