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/* File Version: 3.0 * Copyright, David Book, buzztouch.com */* ww w.jav a2 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.AlertDialog; import android.app.ProgressDialog; import android.app.TabActivity; import android.content.DialogInterface; import android.content.Intent; import android.graphics.drawable.Drawable; import android.os.Bundle; import android.os.Handler; import android.view.Window; import android.widget.TabHost; import android.widget.TabHost.OnTabChangeListener; import android.widget.TabWidget; import android.widget.Toast; public class BT_activity_root_tabs extends TabActivity implements OnTabChangeListener{ //member variables private String activityName = "BT_activity_root_tabs"; private Handler buildInterfaceHandler = null; private TabActivity thisActivityObject = this; private AlertDialog myAlert = null; public ProgressDialog progressBox = null; public BT_progressSpinner progressSpinner = null; public TabHost tabHost = null; public TabWidget tabWidget = null; public Integer selectedTab = 0; public boolean didCreate = false; ////////////////////////////////////////////////////////////////////////// //activity life-cycle events. //onCreate @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); BT_debugger.showIt(activityName + ":onCreate"); //hide title bar then set to full-screen before setting content..The AndroidManifest.xml file //also uses "full" screen in the application them node. requestWindowFeature(Window.FEATURE_NO_TITLE); //uncomment the next line to hide the status bar //getWindow().setFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN, WindowManager.LayoutParams.FLAG_FULLSCREEN); //set the content view setContentView(R.layout.act_root_tabs); //show progress showProgress(null, null); //update device connection type... tabatoodemo_appDelegate.rootApp.getRootDevice().updateDeviceConnectionType(); //update device size... tabatoodemo_appDelegate.rootApp.getRootDevice().updateDeviceSize(); //get selected tab... selectedTab = BT_strings.getPrefInteger("selectedTab"); //spawn thread to build the inteface... buildInterfaceHandler = new Handler(); buildInterfaceThread.start(); }//end onCreate //onStart @Override protected void onStart() { //BT_debugger.showIt(activityName + ":onStart"); super.onStart(); //get selected tab... selectedTab = BT_strings.getPrefInteger("selectedTab"); } //onResume @Override public void onResume() { //BT_debugger.showIt(activityName + ":onResume"); super.onResume(); //get selected tab... selectedTab = BT_strings.getPrefInteger("selectedTab"); } //onPause @Override public void onPause() { super.onPause(); //BT_debugger.showIt(activityName + ":onPause"); //save previously selected tab... BT_strings.setPrefInteger("selectedTab", selectedTab); } //onStop @Override protected void onStop(){ super.onStop(); //BT_debugger.showIt(activityName + ":onStop"); //save previously selected tab... BT_strings.setPrefInteger("selectedTab", selectedTab); } //onDestroy @Override public void onDestroy() { super.onDestroy(); //BT_debugger.showIt(activityName + ":onDestroy"); } //end activity life-cycle events ////////////////////////////////////////////////////////////////////////// //sets each tabs background color... public static void setTabColor(TabHost tabhost) { /* uncomment this to change tab colors when a tab is selected... BT_debugger.showIt(activityName + ":setTabColor"); for(int i = 0; i < tabhost.getTabWidget().getChildCount(); i++){ tabhost.getTabWidget().getChildAt(i).setBackgroundColor(BT_color.getColorFromHexString("#000000")); //unselected } tabhost.getTabWidget().getChildAt(tabhost.getCurrentTab()).setBackgroundColor(BT_color.getColorFromHexString("#999999")); // selected */ } //on tab change.. public void onTabChanged(String tabId) { BT_debugger.showIt(activityName + ":onTabChanged Tab: " + tabId); //set selected tab... selectedTab = Integer.parseInt(tabId); //json data for selected tab... BT_item selTabData = tabatoodemo_appDelegate.rootApp.getTabs().get(Integer.parseInt(tabId)); String tabSoundEffectName = BT_strings.getJsonPropertyValue(selTabData.getJsonObject(), "soundEffectFileName", ""); //json data for selected tabs home screen... BT_item screenData = null; if(tabId.toString().equals("0")) screenData = tabatoodemo_appDelegate.rootApp.getTab0ScreenData(); if(tabId.toString().equals("1")) screenData = tabatoodemo_appDelegate.rootApp.getTab1ScreenData(); if(tabId.toString().equals("2")) screenData = tabatoodemo_appDelegate.rootApp.getTab2ScreenData(); if(tabId.toString().equals("3")) screenData = tabatoodemo_appDelegate.rootApp.getTab3ScreenData(); if(tabId.toString().equals("4")) screenData = tabatoodemo_appDelegate.rootApp.getTab4ScreenData(); //flag this as the current working screen... tabatoodemo_appDelegate.rootApp.setCurrentScreenData(screenData); //remember selected tab in delegate tabatoodemo_appDelegate.rootApp.setSelectedTab(Integer.parseInt(tabId)); //play possible sound effect for the tab... if(tabSoundEffectName.length() > 1){ tabatoodemo_appDelegate.playSoundEffect(tabSoundEffectName); } //change tab color...(setTabColor is commented out intentionally, un-comment as needed) setTabColor(tabHost); } //show alert message 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(); } }); myAlert.show(); } //show toast public void showToast(String theMessage, String shortOrLong){ Toast toast = null; if(shortOrLong.equalsIgnoreCase("short")){ toast = Toast.makeText(getBaseContext(), theMessage, Toast.LENGTH_SHORT); }else{ toast = Toast.makeText(tabatoodemo_appDelegate.getContext(), theMessage, Toast.LENGTH_LONG); } toast.show(); } //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(); } } //////////////////////////////////////////////////////////////////////////////////////////////////////////// // buildInterfaceThread and Handler //build interface... private Runnable buildInterfaceUsingAppData = new Runnable(){ public void run(){ //debugger... BT_debugger.showIt(activityName + ":buildInterfaceUsingAppData.."); //tabbed interface or not? if(tabatoodemo_appDelegate.rootApp.getTabs().size() > 0){ BT_debugger.showIt(activityName + ": setting up a tabbed interface."); //setup tab host and widget.. tabHost = getTabHost(); tabWidget = getTabWidget(); //process each tab... TabHost.TabSpec spec; Intent intent; for(int t = 0; t < tabatoodemo_appDelegate.rootApp.getTabs().size(); t++){ BT_item thisTab = tabatoodemo_appDelegate.rootApp.getTabs().get(t); //look at this tabs jsonVars to determine tab options... String tabTextabel = BT_strings.getJsonPropertyValue(thisTab.getJsonObject(), "textLabel", "NA"); String tabIconName = BT_strings.getJsonPropertyValue(thisTab.getJsonObject(), "iconName", "bt_blank.png"); String tabHomeScreenItemId = BT_strings.getJsonPropertyValue(thisTab.getJsonObject(), "homeScreenItemId", ""); //icon for this tab... Drawable tabIcon = BT_fileManager.getDrawableByName(tabIconName); //screenData for this tabs home screen... BT_item screenData = tabatoodemo_appDelegate.rootApp.getScreenDataByItemId(tabHomeScreenItemId); //set this screenData as "isHomeScreen" if(t == 0){ BT_debugger.showIt(activityName + ":tab:0 HOMESCREEN is screen with itemId: " + screenData.getItemId()); screenData.setIsHomeScreen(true); }else{ screenData.setIsHomeScreen(false); } //remember this as this tabs home screen if(t == 0) tabatoodemo_appDelegate.rootApp.setTab0ScreenData(screenData); if(t == 1) tabatoodemo_appDelegate.rootApp.setTab1ScreenData(screenData); if(t == 2) tabatoodemo_appDelegate.rootApp.setTab2ScreenData(screenData); if(t == 3) tabatoodemo_appDelegate.rootApp.setTab3ScreenData(screenData); if(t == 4) tabatoodemo_appDelegate.rootApp.setTab4ScreenData(screenData); //remember as this tabs home screen for tab 0... if(t == 0){ tabatoodemo_appDelegate.rootApp.setCurrentScreenData(screenData); } //debugger BT_debugger.showIt(activityName + ":creating tab " + t + " with item type: " + screenData.getItemType() + " and nickname: " + screenData.getItemNickname()); String theActivityClass = "com.tabatoodemo." + screenData.getItemType(); try{ intent = new Intent().setClass(tabatoodemo_appDelegate.getContext(), Class.forName(theActivityClass)); intent.putExtra("tabIndex", t); spec = tabHost.newTabSpec(Integer.toString(t)); spec.setIndicator(tabTextabel, tabIcon); spec.setContent(intent); tabHost.addTab(spec); }catch(ClassNotFoundException e) { BT_debugger.showIt(activityName + ": ERROR creating Class from string: " + theActivityClass); } }//end for each tab //color the tabs.. for(int i = 0;i < tabHost.getTabWidget().getChildCount(); i++){ //tabHost.getTabWidget().getChildAt(i).setBackgroundColor(Color.parseColor("#52A2D6")); } try{ //refresh entire screen... tabHost.getCurrentView().invalidate(); didCreate = true; //set current tab.. tabHost.setCurrentTab(selectedTab); tabHost.setOnTabChangedListener((OnTabChangeListener) thisActivityObject); }catch(Exception e){ BT_debugger.showIt(activityName + ": ERROR setting starting tab. This happens when the .java class file for this tab could not load."); } } //hide progress hideProgress(); } }; //Thread allows us to launch a handler to build the interface.. public Thread buildInterfaceThread = new Thread(){ public void run(){ try{ //configure UI in main thread... buildInterfaceHandler.post(buildInterfaceUsingAppData); }catch(Exception e){ BT_debugger.showIt(activityName + ":backgroundWorkerThread Exception: " + e.toString()); } }//run }; //END buildInterfaceThread and Handler //////////////////////////////////////////////////////////////////////////////////////////////////////////// }