Java tutorial
/******************************************************************************* * Copyright 2012 Gianrico D'Angelis -- gianrico.dangelis@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. ******************************************************************************/ package biz.easymenu.easymenung; import java.io.FileNotFoundException; import android.graphics.BitmapFactory; import android.os.Bundle; import android.support.v4.app.Fragment; import android.support.v4.app.FragmentActivity; import android.support.v4.app.FragmentManager; import android.support.v4.app.FragmentTransaction; import android.support.v4.view.ViewPager; import android.util.Log; import android.view.View; import android.view.Window; import android.view.WindowManager; import android.view.View.OnLongClickListener; import android.widget.ImageView; import android.widget.ProgressBar; import android.widget.TextView; public class EasymenuNGActivity extends FragmentActivity { /** Called when the activity is first created. */ public static final String TAG = "EasymenuNG"; MenuPagerAdapter adapter = null; ViewPager pager = null; ProgressBar pBar = null; EmPrefs emp = null; Emrpc rpc = null; @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); requestWindowFeature(Window.FEATURE_NO_TITLE); getWindow().setFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN, WindowManager.LayoutParams.FLAG_FULLSCREEN); setContentView(R.layout.main); emp = new EmPrefs(this); rpc = new Emrpc(this); try { ((ImageView) findViewById(R.id.logoImg)) .setImageBitmap(BitmapFactory.decodeStream(openFileInput("logo.img"))); } catch (FileNotFoundException e) { Log.e(EasymenuNGActivity.TAG, "Error image file not found: " + e.getMessage()); } this.findViewById(R.id.lblTable).setClickable(true); this.findViewById(R.id.lblTable).setOnLongClickListener(new OnLongClickListener() { @Override public boolean onLongClick(View v) { ((TextView) findViewById(R.id.lblTable)).setText(""); findViewById(R.id.btnMenu).setEnabled(false); findViewById(R.id.btnDrinks).setEnabled(false); findViewById(R.id.btnWaiter).setEnabled(false); findViewById(R.id.btnOrder).setEnabled(false); findViewById(R.id.btnBill).setEnabled(false); findViewById(R.id.btnConfig).setVisibility(View.GONE); FragmentManager fm = getSupportFragmentManager(); FragmentTransaction ft; Fragment f = null; f = new TableListFragment(); if (fm.findFragmentByTag("rightfragment") != null) { ft = fm.beginTransaction(); ft.setCustomAnimations(android.R.anim.fade_in, android.R.anim.fade_out); ft.remove(fm.findFragmentByTag("rightfragment")); ft.commit(); } ft = fm.beginTransaction(); ft.setCustomAnimations(android.R.anim.fade_in, android.R.anim.fade_out); ft.add(R.id.rightcontent, f, "rightfragment"); ft.commit(); return true; } }); FragmentManager fm = getSupportFragmentManager(); FragmentTransaction ft; Fragment f = null; f = new TableListFragment(); ft = fm.beginTransaction(); ft.setCustomAnimations(android.R.anim.fade_in, android.R.anim.fade_out); ft.add(R.id.rightcontent, f, "rightfragment"); ft.commit(); } public void leftMenuClicked(View v) { FragmentManager fm = getSupportFragmentManager(); FragmentTransaction ft; Fragment f = null; switch (v.getId()) { case R.id.btnMenu: f = new FoodMenuFragment(false); if (fm.findFragmentByTag("rightfragment") != null) { ft = fm.beginTransaction(); ft.setCustomAnimations(android.R.anim.fade_in, android.R.anim.fade_out); ft.remove(fm.findFragmentByTag("rightfragment")); ft.commit(); } ft = fm.beginTransaction(); ft.setCustomAnimations(android.R.anim.fade_in, android.R.anim.fade_out); ft.add(R.id.rightcontent, f, "rightfragment"); ft.commit(); break; case R.id.btnDrinks: f = new FoodMenuFragment(true); if (fm.findFragmentByTag("rightfragment") != null) { ft = fm.beginTransaction(); ft.setCustomAnimations(android.R.anim.fade_in, android.R.anim.fade_out); ft.remove(fm.findFragmentByTag("rightfragment")); ft.commit(); } ft = fm.beginTransaction(); ft.setCustomAnimations(android.R.anim.fade_in, android.R.anim.fade_out); ft.add(R.id.rightcontent, f, "rightfragment"); ft.commit(); break; case R.id.btnOrder: f = new ReviewPlaceFragment(); if (fm.findFragmentByTag("rightfragment") != null) { ft = fm.beginTransaction(); ft.setCustomAnimations(android.R.anim.fade_in, android.R.anim.fade_out); ft.remove(fm.findFragmentByTag("rightfragment")); ft.commit(); } ft = fm.beginTransaction(); ft.setCustomAnimations(android.R.anim.fade_in, android.R.anim.fade_out); ft.add(R.id.rightcontent, f, "rightfragment"); ft.commit(); break; case R.id.btnBill: f = new PayBillFragment(); if (fm.findFragmentByTag("rightfragment") != null) { ft = fm.beginTransaction(); ft.setCustomAnimations(android.R.anim.fade_in, android.R.anim.fade_out); ft.remove(fm.findFragmentByTag("rightfragment")); ft.commit(); } ft = fm.beginTransaction(); ft.setCustomAnimations(android.R.anim.fade_in, android.R.anim.fade_out); ft.add(R.id.rightcontent, f, "rightfragment"); ft.commit(); break; case R.id.btnWaiter: if (rpc.callWaiter(emp.getSid())) { ft = fm.beginTransaction(); ErrorFragment ferr = new ErrorFragment(getResources().getString(R.string.waiterNotified)); Fragment prev = fm.findFragmentByTag("errorDialog"); if (prev != null) { ft.remove(prev); ft.commit(); } ferr.show(ft, "errorDialog"); } break; case R.id.btnConfig: f = new SettingsFragment(); if (fm.findFragmentByTag("rightfragment") != null) { ft = fm.beginTransaction(); ft.setCustomAnimations(android.R.anim.fade_in, android.R.anim.fade_out); ft.remove(fm.findFragmentByTag("rightfragment")); ft.commit(); } ft = fm.beginTransaction(); ft.setCustomAnimations(android.R.anim.fade_in, android.R.anim.fade_out); ft.add(R.id.rightcontent, f, "rightfragment"); ft.commit(); break; default: break; } } }