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/* File Version: 3.0 * Copyright, David Book, buzztouch.com *// w w w. j ava 2 s. c o m * All rights reserved. * * Redistribution and use in source and binary forms, with or without modification, are * permitted provided that the following conditions are met: * * Redistributions of source code must retain the above copyright notice which includes the * name(s) of the copyright holders. It must also retain this list of conditions and the * following disclaimer. * * Redistributions in binary form must reproduce the above copyright notice, this list * of conditions and the following disclaimer in the documentation and/or other materials * provided with the distribution. * * Neither the name of David Book, or buzztouch.com nor the names of its contributors * may be used to endorse or promote products derived from this software without specific * prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. * IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY * OF SUCH DAMAGE. */ package com.tabatoodemo; import android.app.Activity; import android.app.AlertDialog; import android.app.ProgressDialog; import android.content.DialogInterface; import android.content.Intent; import android.os.Bundle; import android.os.Handler; import android.os.Looper; import android.os.Message; import android.view.Window; import android.widget.Toast; public class BT_activity_root extends Activity{ //member variables public String activityName = "BT_activity_root"; public AlertDialog myAlert = null; public ProgressDialog progressBox = null; public BT_progressSpinner progressSpinner = null; public String configData = ""; public boolean needsRefreshed = false; /////////////////////////////////////////////////// //activity life-cycle events //onCreate @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); BT_debugger.showIt(activityName + ":onCreate"); //no title, full screen requestWindowFeature(Window.FEATURE_NO_TITLE); //uncomment the next line to force full screen (no status bar) on launch... //getWindow().setFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN, WindowManager.LayoutParams.FLAG_FULLSCREEN); /* ***************************************************************************************** * app's interface is displayed after this activity loads the app's configuration data. * The GUI is displayed by the next activity. The next activity is either: * BT_activity_home OR BT_activity_root_tabs (if this layout uses tabs). ***************************************************************************************** */ //always show progress showProgress(null, null); //create handler object to process after loadAppDataWorkerThread finishes... //loadAppDataHandler = new Handler(); //if an activity was started with a payload we are "refreshing" app data... Intent startedFromIntent = getIntent(); int isRefreshing = startedFromIntent.getIntExtra("isRefreshing", -1); if(isRefreshing > -1){ BT_debugger.showIt(activityName + ":refreshing..."); //flag as needing refreshed...Do not delete any cached data until new configuration data //is downloaded. This ensures we have "something" to show if the connection fails.. needsRefreshed = true; } //load app data (creates background thread so UI does not block) this.loadAppData(); }//end onCreate //onStart @Override protected void onStart() { //BT_debugger.showIt(activityName + ":onStart"); super.onStart(); } //onResume @Override public void onResume() { super.onResume(); //BT_debugger.showIt(activityName + ":onResume"); } //onPause @Override public void onPause() { super.onPause(); //BT_debugger.showIt(activityName + ":onPause"); } //onStop @Override protected void onStop(){ super.onStop(); //BT_debugger.showIt(activityName + ":onStop"); } //onDestroy @Override public void onDestroy() { super.onDestroy(); //BT_debugger.showIt(activityName + ":onDestroy"); } //end activity life-cycle events ////////////////////////////////////////////////////////////////////////// //show alert message dialogue public void showAlert(String theTitle, String theMessage) { myAlert = new AlertDialog.Builder(this).create(); myAlert.setTitle(theTitle); myAlert.setMessage(theMessage); myAlert.setIcon(R.drawable.icon); myAlert.setCancelable(false); myAlert.setButton("OK", new DialogInterface.OnClickListener() { public void onClick(DialogInterface dialog, int which) { myAlert.dismiss(); } }); try{ myAlert.show(); }catch(Exception e){ } } //show / hide progress (two different types, depending on the message)... public void showProgress(String theTitle, String theMessage){ if(theTitle == null && theMessage == null){ progressSpinner = BT_progressSpinner.show(this, null, null, true); }else{ progressBox = ProgressDialog.show(this, theTitle, theMessage, true); } } public void hideProgress(){ if(progressBox != null){ progressBox.dismiss(); } if(progressSpinner != null){ progressSpinner.dismiss(); } } //transitionToAppHomeScreen (after parsing or confirming updates)... public void transitionToAppHomeScreen(){ BT_debugger.showIt(activityName + ":transitionToAppHomeScreen"); //we must have config data... if(configData.length() < 1){ showAlert(getString(R.string.errorTitle), getString(R.string.errorConfigData) + "(3)"); BT_debugger.showIt(activityName + ":transitionToAppHomeScreen ERROR config data not valid?"); }else{ //get the theme data to find a possible splash screen... BT_item theThemeData = tabatoodemo_appDelegate.rootApp.getRootTheme(); String splashScreenItemId = BT_strings.getJsonPropertyValue(theThemeData.getJsonObject(), "splashScreenItemId", ""); if(splashScreenItemId.length() > 1){ BT_debugger.showIt(activityName + ":transitionToAppHomeScreen splash screen with itemId: " + splashScreenItemId); //get the splash screen object and remember it... BT_item tmpScreenData = tabatoodemo_appDelegate.rootApp.getScreenDataByItemId(splashScreenItemId); //remember the current screen tabatoodemo_appDelegate.rootApp.setCurrentScreenData(tmpScreenData); String theActivityClass = "com.tabatoodemo." + tmpScreenData.getItemType(); try{ Intent i = new Intent().setClass(tabatoodemo_appDelegate.getContext(), Class.forName(theActivityClass)); i.setFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP | Intent.FLAG_ACTIVITY_SINGLE_TOP); i.putExtra("isSplash", 1); startActivity(i); //finish this activity so it cannot be returned to... finish(); //fade in splash screen. overridePendingTransition(R.anim.fadein,R.anim.fadeout); }catch(ClassNotFoundException e) { BT_debugger.showIt(activityName + ":transitionToAppHomeScreen ERROR loading splash screen for plugin type: " + theActivityClass); } }else{ //not using a splash screen... //tabbed interface or not? if(tabatoodemo_appDelegate.rootApp.getTabs().size() > 0){ BT_debugger.showIt(activityName + ":transitionToAppHomeScreen tabbed interface (BT_activity_root_tabs)."); try{ Intent i = new Intent(BT_activity_root.this, BT_activity_root_tabs.class); i.setFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP | Intent.FLAG_ACTIVITY_SINGLE_TOP); startActivity(i); //finish this activity so it cannot be returned to... finish(); //fade in splash screen. overridePendingTransition(R.anim.fadein,R.anim.fadeout); }catch(Exception e){ BT_debugger.showIt(activityName + ":ERROR starting intent for BT_activity_root_tabs."); } }else{ //tabs.size() < 0 BT_debugger.showIt(activityName + ":transitionToAppHomeScreen non-tabbed home screen."); //get the splash screen object... BT_item tmpScreenData = tabatoodemo_appDelegate.rootApp.getHomeScreen(); //flag it as the home screen... tmpScreenData.setIsHomeScreen(true); //remember the current screen tabatoodemo_appDelegate.rootApp.setCurrentScreenData(tmpScreenData); String theActivityClass = "com.tabatoodemo." + tmpScreenData.getItemType(); try{ Intent i = new Intent().setClass(tabatoodemo_appDelegate.getContext(), Class.forName(theActivityClass)); //i.setFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP | Intent.FLAG_ACTIVITY_SINGLE_TOP); startActivity(i); //finish this activity so it cannot be returned to... finish(); //fade in splash screen. overridePendingTransition(R.anim.fadein,R.anim.fadeout); }catch(ClassNotFoundException e) { BT_debugger.showIt(activityName + ":transitionToAppHomeScreen ERROR loading home screen for plugin type: " + theActivityClass); } } }//no splashScreenItemId }//configData.length > 0 }//end transitionToAppHomeScreen //show toast public void showToast(String theMessage, String shortOrLong){ Toast toast = null; if(shortOrLong.equalsIgnoreCase("short")){ toast = Toast.makeText(tabatoodemo_appDelegate.getContext(), theMessage, Toast.LENGTH_SHORT); }else{ toast = Toast.makeText(tabatoodemo_appDelegate.getContext(), theMessage, Toast.LENGTH_LONG); } toast.show(); } //handles messages after refresh thread completes... private Handler mHandler = new Handler(){ @Override public void handleMessage(Message msg){ //hide progress... hideProgress(); //config data must be loaded at this point... if(configData.length() < 1){ showAlert(getString(R.string.errorTitle), getString(R.string.errorConfigData) + " (2)"); }else{ //transition to home screen or tabbed interface with multiple home screens... transitionToAppHomeScreen(); } } }; //loadAppData public void loadAppData(){ BT_debugger.showIt(activityName + ":loadAppData"); new Thread(){ @Override public void run(){ //prepare looper... Looper.prepare(); //update device connection type... tabatoodemo_appDelegate.rootApp.getRootDevice().updateDeviceConnectionType(); //update device size... tabatoodemo_appDelegate.rootApp.getRootDevice().updateDeviceSize(); //fill this from cached data, downloaded data, or eclipse data... configData = ""; //local vars... String configurationFileName = tabatoodemo_appDelegate.configurationFileName; String cachedConfigDataFileName = tabatoodemo_appDelegate.cachedConfigDataFileName; String cachedConfigModifiedFileName = tabatoodemo_appDelegate.cachedConfigModifiedFileName; //empty BT_item to hold "currentScreenData" before we use so it always has a value... BT_item tmpScreenData = new BT_item(); tmpScreenData.setItemId("na"); tmpScreenData.setItemNickname("na"); tmpScreenData.setItemType("na"); tabatoodemo_appDelegate.rootApp.setCurrentScreenData(tmpScreenData); //fill a variable with the BT_config.txt in Eclipse. The BT_config.txt data is eclipse //is ALWAYS looked at, everytime the app loads, regardless of whether or not it's used //in the app. We need to look at it to see if it has a dataURL. If no dataURL is used, //but a previous cached version of data is found, remove the cached data. String eclipseConfigData = ""; boolean checkForCachedData = true; try{ BT_debugger.showIt(activityName + ":loadAppData loading BT_config.txt from /assests folder in Eclipse project..."); if(BT_fileManager.doesProjectAssetExist("", configurationFileName)){ eclipseConfigData = BT_fileManager.readTextFileFromAssets("", configurationFileName); BT_debugger.showIt(activityName + ":loadAppData loaded BT_config.txt from /assets folder successfully..."); } }catch(Exception e){ BT_debugger.showIt(activityName + ":loadAppData EXCEPTION loading BT_config.txt from the /assets folder " + e.toString()); } //did we find any local data... if(eclipseConfigData.length() < 1){ BT_debugger.showIt(activityName + ":loadAppData ERROR loading BT_config.txt from the /assets folder? Existing app."); //tell hander we're done. It's on the main UI thread so it can show alerts... //loadAppDataHandler.post(appDataDoneLoading); sendMessageToMainThread(0); }else{ //look for dataURL in BT_conifg.txt in the Eclipse project... if(tabatoodemo_appDelegate.rootApp.getDataURLFromAppData(eclipseConfigData).length() < 1){ //because the configuration data in the project does not use a dataURL we need to remove a //possible previously cached version. Unusual for this to happen but possible... BT_debugger.showIt(activityName + ":loadAppData BT_config.txt file does not use a dataURL for remote updates..."); BT_fileManager.deleteFile(cachedConfigDataFileName); checkForCachedData = false; //configData is the data from BT_config.txt in Eclipse... configData = eclipseConfigData; BT_debugger.showIt(activityName + ":loadAppData continuing to load with BT_config.txt data in Eclipse project..."); }else{ BT_debugger.showIt(activityName + ":loadAppData BT_config.txt file does use a dataURL for remote updates..."); checkForCachedData = true; } }//if eclipseConfigData.length() //check for cached version of app's config data... if(checkForCachedData){ if(BT_fileManager.doesCachedFileExist(cachedConfigDataFileName)){ configData = BT_fileManager.readTextFileFromCache(cachedConfigDataFileName); BT_debugger.showIt(activityName + ":loadAppData reading " + cachedConfigDataFileName + " from the applications download cache..."); BT_debugger.showIt(activityName + ":loadAppData ignoring BT_config.txt file in Eclipse project..."); }else{ //configData is the eclipseConfigData data... configData = eclipseConfigData; BT_debugger.showIt(activityName + ":loadAppData " + cachedConfigDataFileName + " does not exist in the cache..."); } } //at this point config data is from cache or from BT_config.txt in Eclipse ... if(configData.length() > 1){ try{ //validate data loaded from cache... if(tabatoodemo_appDelegate.rootApp.validateApplicationData(configData)){ BT_debugger.showIt(activityName + ": application data appears to be valid JSON..."); //parse the configuration data found in the bundle or in the cache tabatoodemo_appDelegate.rootApp.parseAppJSONData(configData); }else{ BT_debugger.showIt(activityName + ": application data is not valid JOSN data? You could try to use an online JSON validator. Several good ones exist online. Exiting App."); configData = ""; } //Download new data if we have a dataURL and needsRefreshed = true. needsRefreshed will equal true //when the user taps the refreshButton or agrees to download after an alert...The app will NEVER //download data from it's dataURL when it first launches. String dataURL = tabatoodemo_appDelegate.rootApp.getDataURL(); dataURL = BT_strings.mergeBTVariablesInString(dataURL); if(dataURL.length() > 5 && needsRefreshed){ //if we have a currentMode, append it to the end of the URL... if(tabatoodemo_appDelegate.rootApp.getCurrentMode().length() > 1){ dataURL += "¤tMode=" + tabatoodemo_appDelegate.rootApp.getCurrentMode(); } BT_debugger.showIt(activityName + ":loadAppDataWorkerThread downloading app data from: " + dataURL); //downloader object.. BT_downloader objDownloader = new BT_downloader(dataURL); objDownloader.setSaveAsFileName(""); String downloadedData = objDownloader.downloadTextData(); if(downloadedData.length() > 5){ //if it's valid, remove the previously cached version... if(tabatoodemo_appDelegate.rootApp.validateApplicationData(downloadedData)){ BT_debugger.showIt(activityName + ":loadAppDataWorkerThread downloaded app data appears to be valid."); tabatoodemo_appDelegate.rootApp.parseAppJSONData(downloadedData); configData = downloadedData; //delete previously cached data EXCEPT the apps "last changed" timestamp file... BT_fileManager.deleteAllCachedData(cachedConfigModifiedFileName); //re-save downloaded configuration data... BT_fileManager.saveTextFileToCache(downloadedData, cachedConfigDataFileName); }else{ BT_debugger.showIt(activityName + ":loadAppDataWorkerThread done downloading. Newly downloaded data is NOT valid, not caching. Try a JSON validator?"); } }else{ showAlert(getString(R.string.errorDownloadingData), "long"); BT_debugger.showIt(activityName + ":loadAppDataWorkerThread ERROR (7) downloading data from: " + dataURL); } } //downloadAppData }catch(Exception e){ BT_debugger.showIt(activityName + ":loadAppData An exception occurred (55). " + e.toString()); configData = ""; } }//if configData //send message... sendMessageToMainThread(0); } //send message.... private void sendMessageToMainThread(int what){ Message msg = Message.obtain(); msg.what = what; mHandler.sendMessage(msg); } }.start(); } }