Java tutorial
/* * Copyright (C) 2014 OTA Update Center * * 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.otaupdater; import android.app.Activity; import android.app.ListFragment; import android.os.Build; import android.os.Bundle; import android.view.LayoutInflater; import android.view.View; import android.view.ViewGroup; import android.widget.ListView; import android.widget.SimpleAdapter; import android.widget.Toast; import com.otaupdater.utils.APIUtils; import com.otaupdater.utils.BaseInfo; import com.otaupdater.utils.Config; import com.otaupdater.utils.DownloadDialogCallback; import com.otaupdater.utils.PropUtils; import com.otaupdater.utils.RomInfo; import org.jetbrains.annotations.NotNull; import org.json.JSONObject; import java.text.DateFormat; import java.util.ArrayList; import java.util.Date; import java.util.HashMap; import java.util.Locale; public class ROMTab extends ListFragment { protected static final String KEY_TITLE = "title"; protected static final String KEY_SUMMARY = "summary"; protected static final String KEY_ICON = "icon"; private final ArrayList<HashMap<String, Object>> DATA = new ArrayList<HashMap<String, Object>>(); private /*final*/ int AVAIL_UPDATES_IDX = -1; private /*final*/ SimpleAdapter adapter; private Config cfg; private boolean fetching = false; private static ROMTab activeFragment = null; @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); cfg = Config.getInstance(getActivity().getApplicationContext()); HashMap<String, Object> item; item = new HashMap<String, Object>(); item.put(KEY_TITLE, getString(R.string.main_device)); item.put(KEY_SUMMARY, android.os.Build.DEVICE.toLowerCase(Locale.US)); item.put(KEY_ICON, R.drawable.ic_device); DATA.add(item); item = new HashMap<String, Object>(); item.put(KEY_TITLE, getString(R.string.main_rom)); item.put(KEY_SUMMARY, android.os.Build.DISPLAY); item.put(KEY_ICON, R.drawable.ic_info_outline); DATA.add(item); String romVersion = PropUtils.getRomOtaVersion(); if (romVersion == null) romVersion = PropUtils.getRomVersion(); if (PropUtils.isRomOtaEnabled()) { Date romDate = PropUtils.getRomOtaDate(); if (romDate != null) { romVersion += " (" + DateFormat.getDateTimeInstance().format(romDate) + ")"; } item = new HashMap<String, Object>(); item.put(KEY_TITLE, getString(R.string.rom_version)); item.put(KEY_SUMMARY, romVersion); item.put(KEY_ICON, R.drawable.ic_settings); DATA.add(item); item = new HashMap<String, Object>(); item.put(KEY_TITLE, getString(R.string.main_otaid)); item.put(KEY_SUMMARY, PropUtils.getRomOtaID()); item.put(KEY_ICON, R.drawable.ic_key); DATA.add(item); item = new HashMap<String, Object>(); item.put(KEY_TITLE, getString(R.string.updates_avail_title)); if (cfg.hasStoredRomUpdate()) { RomInfo info = cfg.getStoredRomUpdate(); if (info.isUpdate()) { item.put(KEY_SUMMARY, getString(R.string.updates_new, info.name, info.version)); } else { item.put(KEY_SUMMARY, getString(R.string.updates_none)); cfg.clearStoredRomUpdate(); } } else { item.put(KEY_SUMMARY, getString(R.string.updates_none)); } item.put(KEY_ICON, R.drawable.ic_cloud_download); AVAIL_UPDATES_IDX = DATA.size(); DATA.add(item); } else { if (cfg.hasStoredRomUpdate()) cfg.clearStoredRomUpdate(); if (!romVersion.equals(Build.DISPLAY)) { item = new HashMap<String, Object>(); item.put(KEY_TITLE, getString(R.string.rom_version)); item.put(KEY_SUMMARY, romVersion); item.put(KEY_ICON, R.drawable.ic_settings); DATA.add(item); } item = new HashMap<String, Object>(); item.put(KEY_TITLE, getString(R.string.rom_unsupported)); item.put(KEY_SUMMARY, getString(R.string.rom_unsupported_summary)); item.put(KEY_ICON, R.drawable.ic_cloud_off); DATA.add(item); } } @Override public View onCreateView(@NotNull LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) { return inflater.inflate(R.layout.list, container, false); } @Override public void onActivityCreated(Bundle savedInstanceState) { super.onActivityCreated(savedInstanceState); adapter = new SimpleAdapter(getActivity(), DATA, R.layout.two_line_icon_list_item, new String[] { KEY_TITLE, KEY_SUMMARY, KEY_ICON }, new int[] { android.R.id.text1, android.R.id.text2, android.R.id.icon }); setListAdapter(adapter); } @Override public void onResume() { super.onResume(); updateStatus(); activeFragment = this; } @Override public void onPause() { activeFragment = null; super.onPause(); } @Override public void onListItemClick(ListView l, View v, int position, long id) { if (position == AVAIL_UPDATES_IDX) { if (cfg.hasStoredRomUpdate()) { RomInfo info = cfg.getStoredRomUpdate(); if (info.isUpdate()) { Activity act = getActivity(); info.showUpdateDialog(act, act instanceof DownloadDialogCallback ? (DownloadDialogCallback) act : null); } else { cfg.clearStoredRomUpdate(); setUpdateSummary(R.string.updates_none); if (!fetching) { checkForRomUpdates(); } } } else if (!fetching) { checkForRomUpdates(); } } } public void updateStatus() { updateStatus(cfg.getStoredRomUpdate()); } public void updateStatus(RomInfo info) { if (AVAIL_UPDATES_IDX == -1) return; Activity act = getActivity(); if (info != null && info.isUpdate()) { setUpdateSummary(getString(R.string.updates_new, info.name, info.version)); if (act instanceof OTAUpdaterActivity) ((OTAUpdaterActivity) act).updateRomTabIcon(true); } else { if (act instanceof OTAUpdaterActivity) ((OTAUpdaterActivity) act).updateRomTabIcon(false); setUpdateSummary(R.string.updates_none); Toast.makeText(act, R.string.rom_toast_no_update, Toast.LENGTH_SHORT).show(); } } private void setUpdateSummary(int resId) { setUpdateSummary(getString(resId)); } private void setUpdateSummary(String string) { if (AVAIL_UPDATES_IDX == -1) return; DATA.get(AVAIL_UPDATES_IDX).put(KEY_SUMMARY, string); adapter.notifyDataSetChanged(); } private void checkForRomUpdates() { if (fetching) return; if (!PropUtils.isRomOtaEnabled()) return; APIUtils.fetchRomInfo(getActivity(), new BaseInfo.InfoLoadAdapter<RomInfo>(RomInfo.class, getActivity()) { @Override public void onStart(APIUtils.APITask task) { fetching = true; setUpdateSummary(R.string.updates_checking); } @Override public void onInfoLoaded(RomInfo info) { updateStatus(info); Activity act = getActivity(); if (info.isUpdate()) info.showUpdateDialog(act, act instanceof DownloadDialogCallback ? (DownloadDialogCallback) act : null); } @Override public void onError(String message, JSONObject respObj) { setUpdateSummary(getString(R.string.update_fetch_error, message)); Toast.makeText(getActivity(), message == null || message.isEmpty() ? getString(R.string.toast_update_fetch_error) : message, Toast.LENGTH_SHORT).show(); } @Override public void onComplete(boolean success) { fetching = false; } }); } public static void notifyActiveFragment() { if (activeFragment != null) activeFragment.updateStatus(); } }