Java tutorial
/* * Copyright 2016 . Anargyros Kiourkos. * * 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 anakiou.com.picontrol.ui.fragments; import android.annotation.SuppressLint; import android.content.Intent; import android.os.Bundle; import android.os.Handler; import android.preference.PreferenceManager; import android.support.design.widget.Snackbar; import android.support.v4.app.Fragment; import android.support.v4.os.ResultReceiver; import android.support.v4.widget.SwipeRefreshLayout; import android.view.LayoutInflater; import android.view.View; import android.view.ViewGroup; import android.widget.ImageView; import anakiou.com.picontrol.R; import anakiou.com.picontrol.service.InputIntentService; import anakiou.com.picontrol.service.NetworkService; import anakiou.com.picontrol.service.OutputIntentService; import anakiou.com.picontrol.ui.activities.EditNamesActivity; import anakiou.com.picontrol.ui.activities.InputsActivity; import anakiou.com.picontrol.ui.activities.OutputsActivity; import anakiou.com.picontrol.util.Constants; public class MainMenuFragment extends Fragment { private MainMenuRefreshResultReceiver mainMenuRefreshResultReceiver; private SwipeRefreshLayout refreshLayout; private NetworkService networkService; @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); PreferenceManager.setDefaultValues(getActivity(), R.xml.preferences, false); networkService = NetworkService.get(getActivity().getApplicationContext()); mainMenuRefreshResultReceiver = new MainMenuRefreshResultReceiver(new Handler()); } @Override public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) { final View view = inflater.inflate(R.layout.fragment_main_menu, container, false); setupInputs(view); setupOutputs(view); setupEditNames(view); refreshLayout = (SwipeRefreshLayout) view.findViewById(R.id.main_menu_swipe_layout); refreshLayout.setOnRefreshListener(new SwipeRefreshLayout.OnRefreshListener() { @Override public void onRefresh() { Intent inputIntent = InputIntentService.newRefreshIntent(getContext()); Intent outputIntent = OutputIntentService.newRefreshIntent(getContext()); inputIntent.putExtra(Constants.RECEIVER, mainMenuRefreshResultReceiver); outputIntent.putExtra(Constants.RECEIVER, mainMenuRefreshResultReceiver); getActivity().startService(inputIntent); getActivity().startService(outputIntent); } }); return view; } private void setupInputs(View view) { ImageView inputsImage = (ImageView) view.findViewById(R.id.inputs_image); inputsImage.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View v) { if (networkService.isNetworkAvailableAndConnected()) { Intent intent = InputsActivity.newIntent(getActivity()); startActivity(intent); } else { noNetwork(); } } }); } private void setupOutputs(View view) { ImageView outputsImage = (ImageView) view.findViewById(R.id.outputs_image); outputsImage.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View v) { if (networkService.isNetworkAvailableAndConnected()) { Intent intent = OutputsActivity.newIntent(getActivity()); startActivity(intent); } else { noNetwork(); } } }); } private void setupEditNames(View view) { ImageView editNamesImage = (ImageView) view.findViewById(R.id.edit_names_image); editNamesImage.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View v) { if (networkService.isNetworkAvailableAndConnected()) { Intent intent = EditNamesActivity.newIntent(getActivity()); startActivity(intent); } else { noNetwork(); } } }); } private void noNetwork() { if (getView() != null) { Snackbar.make(getView(), getString(R.string.network_required_msg), Snackbar.LENGTH_LONG).show(); } } @SuppressLint("ParcelCreator") class MainMenuRefreshResultReceiver extends ResultReceiver { MainMenuRefreshResultReceiver(Handler handler) { super(handler); } @Override protected void onReceiveResult(int resultCode, Bundle resultData) { final String msg = resultData.getString(Constants.RESULT_DATA_KEY); refreshLayout.setRefreshing(false); if (getView() != null && msg != null) { Snackbar.make(getView(), msg, Snackbar.LENGTH_LONG).show(); } } } }