Java tutorial
/* Copyright (C) 2014 Masood Fallahpoor This file is part of Info Center. Info Center is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version. Info Center is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with Info Center. If not, see <http://www.gnu.org/licenses/>. */ package com.fallahpoor.infocenter.fragments; import android.content.Context; import android.content.pm.PackageManager; import android.os.Bundle; import android.support.v4.app.Fragment; import android.telephony.TelephonyManager; import android.view.LayoutInflater; import android.view.View; import android.view.ViewGroup; import android.widget.ListView; import android.widget.TextView; import com.fallahpoor.infocenter.R; import com.fallahpoor.infocenter.Utils; import com.fallahpoor.infocenter.adapters.CustomArrayAdapter; import com.fallahpoor.infocenter.adapters.ListItem; import com.fallahpoor.infocenter.adapters.OrdinaryListItem; import java.util.ArrayList; /** * SimFragment displays some information about the SIM card and telephony * network of the device. * * @author Masood Fallahpoor */ public class SimFragment extends Fragment { @Override public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) { super.onCreateView(inflater, container, savedInstanceState); View view = inflater.inflate(R.layout.fragment_others, container, false); ListView listView = (ListView) view.findViewById(R.id.listView); TextView msgTextView = (TextView) view.findViewById(R.id.textView); msgTextView.setText(R.string.sim_sub_item_no_sim); populateListView(listView, msgTextView); return view; } private void populateListView(ListView listView, TextView msgTextView) { if (isTelephonySupported() && isSimPresent()) { listView.setAdapter(new CustomArrayAdapter(getActivity(), getListItems())); } else { listView.setEmptyView(msgTextView); } } private ArrayList<ListItem> getListItems() { ArrayList<ListItem> items = new ArrayList<>(); TelephonyManager telephonyManager = (TelephonyManager) getActivity() .getSystemService(Context.TELEPHONY_SERVICE); items.add(new OrdinaryListItem(getString(R.string.sim_item_sim_card_serial_number), getSimSerialNumber(telephonyManager))); items.add(new OrdinaryListItem(getString(R.string.sim_item_phone_type), getPhoneType(telephonyManager))); items.add( new OrdinaryListItem(getString(R.string.sim_item_network_type), getNetworkType(telephonyManager))); items.add(new OrdinaryListItem(getString(R.string.sim_item_roaming), getRoamingState(telephonyManager))); items.add(new OrdinaryListItem(getString(R.string.sim_item_operator_name), getNetworkOperatorName(telephonyManager))); items.add(new OrdinaryListItem(getString(R.string.sim_item_data_network), getDataConnectionState(telephonyManager))); return items; } // Returns true if the device supports telephony private boolean isTelephonySupported() { PackageManager pm = getActivity().getPackageManager(); return pm.hasSystemFeature(PackageManager.FEATURE_TELEPHONY); } // Returns true if the SIM is present private boolean isSimPresent() { TelephonyManager telephonyManager = (TelephonyManager) getActivity() .getSystemService(Context.TELEPHONY_SERVICE); return (telephonyManager.getPhoneType() == TelephonyManager.PHONE_TYPE_GSM && telephonyManager.getSimState() != TelephonyManager.SIM_STATE_ABSENT); } private String getSimSerialNumber(TelephonyManager telephonyManager) { String simSerialNumber = telephonyManager.getSimSerialNumber(); if (Utils.isEmpty(simSerialNumber)) { return getString(R.string.unknown); } else { return simSerialNumber; } } private String getPhoneType(TelephonyManager telephonyManager) { int phoneTypeInt = telephonyManager.getPhoneType(); String phoneTypeStr; switch (phoneTypeInt) { case TelephonyManager.PHONE_TYPE_CDMA: phoneTypeStr = getString(R.string.sim_sub_item_cdma); break; case TelephonyManager.PHONE_TYPE_GSM: phoneTypeStr = getString(R.string.sim_sub_item_gsm); break; case TelephonyManager.PHONE_TYPE_SIP: phoneTypeStr = getString(R.string.sim_sub_item_sip); break; default: phoneTypeStr = getString(R.string.unknown); } return phoneTypeStr; } private String getRoamingState(TelephonyManager telephonyManager) { boolean isRoaming = telephonyManager.isNetworkRoaming(); if (isRoaming) { return getString(R.string.sim_sub_item_roaming_enabled); } else { return getString(R.string.sim_sub_item_roaming_disabled); } } private String getNetworkOperatorName(TelephonyManager telephonyManager) { String netOpName = telephonyManager.getNetworkOperatorName(); if (Utils.isEmpty(netOpName)) { return getString(R.string.unknown); } else { return netOpName; } } private String getDataConnectionState(TelephonyManager telephonyManager) { int dataStateInt = telephonyManager.getDataState(); String dataStateStr; switch (dataStateInt) { case TelephonyManager.DATA_CONNECTED: dataStateStr = getString(R.string.sim_sub_item_data_connected); break; case TelephonyManager.DATA_CONNECTING: dataStateStr = getString(R.string.sim_sub_item_data_connecting); break; case TelephonyManager.DATA_DISCONNECTED: dataStateStr = getString(R.string.sim_sub_item_data_disconnected); break; case TelephonyManager.DATA_SUSPENDED: dataStateStr = getString(R.string.sim_sub_item_data_suspended); break; default: dataStateStr = getString(R.string.unknown); } return dataStateStr; } // Returns the type of mobile network. private String getNetworkType(TelephonyManager telephonyManager) { int intNetType = telephonyManager.getNetworkType(); String netType; switch (intNetType) { case TelephonyManager.NETWORK_TYPE_1xRTT: netType = getString(R.string.sim_sub_item_1xrtt); break; case TelephonyManager.NETWORK_TYPE_CDMA: netType = getString(R.string.sim_sub_item_cdma); break; case TelephonyManager.NETWORK_TYPE_EDGE: netType = getString(R.string.sim_sub_item_edge); break; case TelephonyManager.NETWORK_TYPE_EHRPD: netType = getString(R.string.sim_sub_item_ehrdp); break; case TelephonyManager.NETWORK_TYPE_EVDO_0: case TelephonyManager.NETWORK_TYPE_EVDO_A: case TelephonyManager.NETWORK_TYPE_EVDO_B: netType = getString(R.string.sim_sub_item_evdo); break; case TelephonyManager.NETWORK_TYPE_GPRS: netType = getString(R.string.sim_sub_item_gprs); break; case TelephonyManager.NETWORK_TYPE_HSDPA: netType = getString(R.string.sim_sub_item_hsdpa); break; case TelephonyManager.NETWORK_TYPE_HSPA: netType = getString(R.string.sim_sub_item_hspa); break; case TelephonyManager.NETWORK_TYPE_HSPAP: netType = getString(R.string.sim_sub_item_hspap); break; case TelephonyManager.NETWORK_TYPE_HSUPA: netType = getString(R.string.sim_sub_item_hsupa); break; case TelephonyManager.NETWORK_TYPE_IDEN: netType = getString(R.string.sim_sub_item_iden); break; case TelephonyManager.NETWORK_TYPE_LTE: netType = getString(R.string.sim_sub_item_lte); break; case TelephonyManager.NETWORK_TYPE_UMTS: netType = getString(R.string.sim_sub_item_umts); break; default: netType = getString(R.string.unknown); } return netType; } // end method getNetworkType } // end class SimFragment