read Text File line by line from Asset - Android App

Android examples for App:Assets File

  1. HOME
  2. Android
  3. App
  4. Assets File

Description

read Text File line by line from Asset

Demo Code

/**//ww  w .ja  va 2 s  . c  o  m
 * Copyright 2014 Kensuke Nakai<kemumaki.kemuo@gmail.com>
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;

import android.content.Context;
import android.content.res.AssetManager;
import android.text.TextUtils;
import android.util.Log;

public class Main {
  private static final String TAG = "";
  private static final String CR = System.getProperty("line.separator");

  public static String readTextFile(Context context, String fileName) {
    if (context == null || TextUtils.isEmpty(fileName))
      return null;

    AssetManager manager = context.getAssets();
    if (manager == null)
      return null;

    InputStream stream = null;
    try {
      stream = manager.open(fileName);
      BufferedReader reader = new BufferedReader(new InputStreamReader(stream));

      StringBuffer result = new StringBuffer();
      String buffer = null;
      while ((buffer = reader.readLine()) != null) {
        result.append(buffer + CR);
      }

      return result.toString();

    } catch (IOException e) {
      Log.e(TAG, e.toString());
      return null;
    } finally {
      if (stream != null) {
        try {
          stream.close();
        } catch (IOException e) {
          Log.e(TAG, e.toString());
        }
      }
    }
  }
}

Related Tutorials