Java tutorial
/** * Copyright (C) 2011-2017 The PILE Developers <pile-dev@googlegroups.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 com.pileproject.drive.setting.machine; import android.app.Dialog; import android.os.Bundle; import android.support.annotation.NonNull; import android.support.v4.app.DialogFragment; import android.view.LayoutInflater; import android.view.View; import android.view.ViewGroup; import android.widget.RadioGroup; import com.pileproject.drive.R; import com.pileproject.drive.preferences.MachinePreferences; import static com.pileproject.drive.preferences.MachinePreferencesSchema.Firmware.LEJOS; import static com.pileproject.drive.preferences.MachinePreferencesSchema.Firmware.STANDARD; /** * A fragment for selecting the firmware of a machine. This fragment will be used by {@link NxtFirmwarePreference}. */ public class NxtFirmwareFragment extends DialogFragment { private RadioGroup mFirmwareRadioGroup; @Override @NonNull public Dialog onCreateDialog(Bundle savedInstanceState) { Dialog dialog = new Dialog(getActivity()); dialog.setTitle(R.string.setting_firmware); return dialog; } @Override public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) { super.onCreateView(inflater, container, savedInstanceState); View v = inflater.inflate(R.layout.fragment_nxt_firmware, container, false); mFirmwareRadioGroup = (RadioGroup) v.findViewById(R.id.firmware_firmwares); return v; } @Override public void onActivityCreated(Bundle savedInstanceState) { super.onActivityCreated(savedInstanceState); mFirmwareRadioGroup.setOnCheckedChangeListener(new RadioGroup.OnCheckedChangeListener() { @Override public void onCheckedChanged(RadioGroup group, int checkedId) { switch (checkedId) { case R.id.firmware_standard: MachinePreferences.get(getActivity()).setFirmware(STANDARD); break; case R.id.firmware_lejos: MachinePreferences.get(getActivity()).setFirmware(LEJOS); break; } } }); String firm = MachinePreferences.get(getActivity()).getFirmware(); if (firm.equals(STANDARD)) mFirmwareRadioGroup.check(R.id.firmware_standard); else mFirmwareRadioGroup.check(R.id.firmware_lejos); } }