Java tutorial
/* * Copyright 2013 serso aka se.solovyev * * 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. * * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ * Contact details * * Email: se.solovyev@gmail.com * Site: http://se.solovyev.org */ package org.solovyev.android.calculator; import android.content.SharedPreferences; import android.os.Bundle; import android.view.LayoutInflater; import android.view.View; import android.view.ViewGroup; import android.support.v4.app.Fragment; import javax.annotation.Nonnull; import static org.solovyev.android.calculator.NumeralBaseButtons.toggleNumericDigits; import static org.solovyev.android.calculator.Preferences.Gui.hideNumeralBaseDigits; import static org.solovyev.android.calculator.Preferences.Gui.showEqualsButton; import static org.solovyev.android.calculator.model.AndroidCalculatorEngine.Preferences.multiplicationSign; import static org.solovyev.android.calculator.model.AndroidCalculatorEngine.Preferences.numeralBase; /** * User: Solovyev_S * Date: 25.09.12 * Time: 12:25 */ public class CalculatorKeyboardFragment extends Fragment implements SharedPreferences.OnSharedPreferenceChangeListener { @Nonnull private FragmentUi ui; @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); final SharedPreferences preferences = App.getPreferences(); final Preferences.Gui.Layout layout = Preferences.Gui.getLayout(preferences); if (!layout.isOptimized()) { ui = CalculatorApplication.getInstance().createFragmentHelper(R.layout.cpp_app_keyboard_mobile); } else { ui = CalculatorApplication.getInstance().createFragmentHelper(R.layout.cpp_app_keyboard); } ui.onCreate(this); preferences.registerOnSharedPreferenceChangeListener(this); } @Override public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) { return ui.onCreateView(this, inflater, container); } @Override public void onViewCreated(View root, Bundle savedInstanceState) { super.onViewCreated(root, savedInstanceState); ui.onViewCreated(this, root); } @Override public void onResume() { super.onResume(); this.ui.onResume(this); } @Override public void onPause() { this.ui.onPause(this); super.onPause(); } @Override public void onDestroy() { super.onDestroy(); ui.onDestroy(this); App.getPreferences().unregisterOnSharedPreferenceChangeListener(this); } @Override public void onActivityCreated(Bundle savedInstanceState) { super.onActivityCreated(savedInstanceState); } @Override public void onSharedPreferenceChanged(SharedPreferences preferences, String key) { if (numeralBase.isSameKey(key) || hideNumeralBaseDigits.isSameKey(key)) { toggleNumericDigits(this.getActivity(), preferences); } if (showEqualsButton.isSameKey(key)) { CalculatorButtons.toggleEqualsButton(preferences, this.getActivity()); } if (multiplicationSign.isSameKey(key)) { CalculatorButtons.initMultiplicationButton(getView()); } } }