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.ideaintech.app; import java.io.File; import java.util.Timer; import java.util.TimerTask; import org.apache.cordova.Config; import org.apache.cordova.CordovaActivity; import android.app.AlertDialog; import android.app.AlertDialog.Builder; import android.content.DialogInterface; import android.content.Intent; import android.os.Bundle; import android.os.Handler; import android.util.Log; import com.ideateam.plugin.Version; public class MyActivity extends CordovaActivity { Version versionHelper; public long timestamp; @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); super.init(); // Set by <content src="index.html" /> in config.xml //super.loadUrl(Config.getStartUrl()); //super.loadUrl("file:///android_asset/www/index.html"); Intent intent = getIntent(); String url = intent.getDataString(); versionHelper = new Version(); versionHelper.activity = (MyActivity) this.getActivity(); if (url != null && url.contains("download")) { int index = url.lastIndexOf('/') + 1; String version = url.substring(index, url.length()); if (version != null) version = version.replace(".zip", ""); versionHelper.remoteVersion = version; versionHelper.url = "http://uart.universityathlete.com/update/android2015/"; versionHelper.updateToVersion(version); } else { File zipUpdateFile = loadFromWwwOrZip(); if (zipUpdateFile != null) super.loadUrl(String.format("file:///%s/%s/index.html", getFilesDir(), zipUpdateFile.getName())); else super.loadUrl(Config.getStartUrl()); } checkForUpdates(); } private File loadFromWwwOrZip() { // TODO Auto-generated method stub File[] f = getFilesDir().listFiles(); File wwwFolder = null; if (f != null && f.length > 0) { for (int i = 0; i < f.length; i++) { if (wwwFolder == null && !f[i].getName().equals("Documents") && !f[i].getName().equals("rList") && f[i].getName().length() < 10) { wwwFolder = f[i]; continue; } if (wwwFolder != null && wwwFolder.lastModified() < f[i].lastModified()) { wwwFolder = f[i]; } } } return wwwFolder; } private void checkForUpdates() { updateData.run(); } Handler handler = new Handler(); private Runnable updateData = new Runnable() { public void run() { Log.d(TAG, "...tick"); versionHelper.checkForUpdates(); handler.postDelayed(updateData, 1000 * 60 * 60); } }; AlertDialog dialog; public void showConfirmDialogForUpdate(String updateNote, String currentVersion, String remoteVersion) { Builder builder = new AlertDialog.Builder(this) .setIcon( this.getApplicationContext().getResources() .getDrawable(this.getApplicationContext().getResources().getIdentifier("icon", "drawable", this.getApplicationContext().getPackageName()))) .setTitle("Update Available"); if (currentVersion == null) { builder.setMessage(updateNote).setPositiveButton("OK", new DialogInterface.OnClickListener() { @Override public void onClick(DialogInterface dialog, int which) { //startDownload(baseUrl + remoteVersion); } }); } else { builder.setMessage(String.format("%s\nCurrent version: %s\nUpdate to: %s", updateNote, currentVersion, remoteVersion)).setPositiveButton("Update Now", new DialogInterface.OnClickListener() { @Override public void onClick(DialogInterface dialog, int which) { //startDownload(baseUrl + remoteVersion); versionHelper.url = "http://uart.universityathlete.com/update/android2015/"; versionHelper.syncBeforeUpdate(); } }).setNegativeButton("Cancel", null); } if (dialog == null || !dialog.isShowing()) dialog = builder.show(); } }