Java tutorial
/* Licensed to the Apache Software Foundation (ASF) under one or more contributor license agreements. See the NOTICE file distributed with this work for additional information regarding copyright ownership. The ASF licenses this file to you 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. */ package com.coursecamel; import java.io.File; import java.io.FileOutputStream; import java.io.IOException; import java.io.InputStream; import java.io.OutputStream; import org.apache.cordova.Config; import org.apache.cordova.CordovaActivity; import org.apache.cordova.list.*; import android.os.Bundle; public class CourseCamel extends CordovaActivity { @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); super.init(); try { File dbFile = getDatabasePath("coursecamel.db"); if (!dbFile.exists()) { this.copy("coursecamel.db", dbFile.getAbsolutePath()); } } catch (Exception e) { e.printStackTrace(); } // Set by <content src="index.html" /> in config.xml super.loadUrl(Config.getStartUrl()); //super.loadUrl("file:///android_asset/www/index.html") } //And our copy function: public void copy(String file, String folder) throws IOException { File CheckDirectory; CheckDirectory = new File(folder); String parentPath = CheckDirectory.getParent(); File filedir = new File(parentPath); if (!filedir.exists()) { if (!filedir.mkdirs()) { return; } } InputStream in = this.getApplicationContext().getAssets().open(file); File newfile = new File(folder); OutputStream out = new FileOutputStream(newfile); byte[] buf = new byte[1024]; int len; while ((len = in.read(buf)) > 0) out.write(buf, 0, len); in.close(); out.close(); } }