Java tutorial
/* * Copyright 2013 Yoshihiro Miyama * * 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.kyakujin.android.autoeco.ui; import android.app.Activity; import android.app.AlertDialog; import android.app.AlertDialog.Builder; import android.content.Context; import android.content.DialogInterface; import android.content.Intent; import android.content.SharedPreferences; import android.content.SharedPreferences.Editor; import android.database.Cursor; import android.net.Uri; import android.os.Bundle; import android.support.v4.app.Fragment; import android.support.v4.app.LoaderManager; import android.support.v4.app.LoaderManager.LoaderCallbacks; import android.support.v4.content.CursorLoader; import android.support.v4.content.Loader; import android.view.LayoutInflater; import android.view.View; import android.view.ViewGroup; import android.widget.CompoundButton; import android.widget.CompoundButton.OnCheckedChangeListener; import android.widget.SeekBar; import android.widget.SeekBar.OnSeekBarChangeListener; import android.widget.TextView; import android.widget.ToggleButton; import com.kyakujin.android.autoeco.Conf; import com.kyakujin.android.autoeco.Logger; import com.kyakujin.android.autoeco.R; import com.kyakujin.android.autoeco.db.AutoEcoContract.BatteryQuery; import com.kyakujin.android.autoeco.db.AutoEcoContract.BatteryTbl; import com.kyakujin.android.autoeco.db.dao.BatteryDAO; import com.kyakujin.android.autoeco.db.dao.BatteryModel; import com.kyakujin.android.autoeco.service.BatteryService; /** * ??? */ public class BatteryFragment extends Fragment implements LoaderCallbacks<Cursor> { private final String TAG = Conf.APP_NAME + ":" + this.getClass().getSimpleName(); private int mCurrentBatteryId = 0; private LoaderManager mManager; private SeekBar mSeekBar; private TextView mThreshold; private Activity mActivity; private BatteryModel mModel; private ToggleButton mToggle; public static BatteryFragment newInstance() { return new BatteryFragment(); } @Override public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) { View v = inflater.inflate(R.layout.fragment_battery_setting, container, false); mCurrentBatteryId = getArguments().getInt(Conf.SHARED_BATTERYID); mModel = new BatteryModel(); mActivity = getActivity(); mThreshold = (TextView) v.findViewById(R.id.textThreshold); mSeekBar = (SeekBar) v.findViewById(R.id.seekBattery); mSeekBar.setMax(100); mSeekBar.setProgress(30); mSeekBar.setOnSeekBarChangeListener(new OnSeekBarChangeListener() { // ?? @Override public void onStartTrackingTouch(SeekBar seekBar) { Logger.d(TAG, "onStartTrackingTouch(): " + String.valueOf(seekBar.getProgress())); mThreshold.setText(String.valueOf(seekBar.getProgress()).concat("%")); } // ?? @Override public void onProgressChanged(SeekBar seekBar, int progress, boolean fromTouch) { Logger.d(TAG, "onProgressChanged(): " + String.valueOf(progress) + ", " + String.valueOf(fromTouch)); mThreshold.setText(String.valueOf(seekBar.getProgress()).concat("%")); } // ?? @Override public void onStopTrackingTouch(SeekBar seekBar) { int progress = seekBar.getProgress(); Logger.v(TAG, "onStopTrackingTouch(): " + String.valueOf(progress)); mModel.setThreshold(progress); mModel.setId(mCurrentBatteryId); BatteryDAO dao = new BatteryDAO(mActivity); dao.updateThreshold(mModel); } }); mToggle = (ToggleButton) v.findViewById(R.id.toggleBattery); mToggle.setOnCheckedChangeListener(new OnCheckedChangeListener() { public void onCheckedChanged(CompoundButton buttonView, boolean isChecked) { // ????? BatteryDAO dao = new BatteryDAO(mActivity); dao.updateEnabled(mCurrentBatteryId, isChecked); if (isChecked) { //dispCautionDialog(); mActivity.startService(new Intent(mActivity, BatteryService.class)); } else { mActivity.stopService(new Intent(mActivity, BatteryService.class)); } // ? SharedPreferences pref = mActivity.getSharedPreferences(Conf.PREF, Context.MODE_PRIVATE); Editor e = pref.edit(); e.putInt(Conf.PREFKEY_BATTERYSRV_ENABLED, isChecked == true ? 1 : 0); e.commit(); } }); // DB????UI??? mManager = getLoaderManager(); mManager.restartLoader(BatteryQuery.LOADER_ID, null, this); return v; } @Override public Loader<Cursor> onCreateLoader(int id, Bundle arg) { switch (id) { case BatteryQuery.LOADER_ID: return new CursorLoader(getActivity(), Uri.withAppendedPath(BatteryTbl.CONTENT_URI, String.valueOf(mCurrentBatteryId)), BatteryQuery.PROJECTION, null, null, null); default: break; } return null; } @Override public void onLoadFinished(Loader<Cursor> loader, Cursor data) { switch (loader.getId()) { case BatteryQuery.LOADER_ID: getBatteryFromDB(data); break; default: break; } } @Override public void onLoaderReset(Loader<Cursor> arg0) { } private void getBatteryFromDB(Cursor c) { if (c != null && c.moveToFirst()) { mModel.setId(c.getInt(BatteryQuery.Idx._ID.ordinal())); mModel.setEnabled(c.getInt(BatteryQuery.Idx.ENABLED.ordinal()) == 1 ? true : false); mModel.setThreshold(c.getInt(BatteryQuery.Idx.THRESHOLD.ordinal())); mSeekBar.setProgress(mModel.getThreshold()); mThreshold.setText(c.getInt(BatteryQuery.Idx.THRESHOLD.ordinal()) + "%"); mToggle.setChecked(c.getInt(BatteryQuery.Idx.ENABLED.ordinal()) == 1 ? true : false); } } // Below method is not used. boolean mIsEnabledOK; private void dispCautionDialog() { String[] items = new String[] { mActivity.getResources().getString(R.string.desc_nextdisp) }; Builder builder = new AlertDialog.Builder(mActivity); builder.setMessage(mActivity.getResources().getString(R.string.desc_battery_setting_enable_caution)); builder.setTitle(mActivity.getResources().getString(R.string.desc_caution)); builder.setIcon(mActivity.getResources().getDrawable(android.R.drawable.ic_dialog_alert)); builder.setPositiveButton("OK", new DialogInterface.OnClickListener() { @Override public void onClick(DialogInterface dialog, int which) { mIsEnabledOK = true; } }); builder.setNeutralButton(mActivity.getResources().getString(R.string.desc_nextdisp), new DialogInterface.OnClickListener() { @Override public void onClick(DialogInterface dialog, int which) { mIsEnabledOK = true; } }); builder.create(); builder.show(); } }