Mike Lockwood | c9d3be3 | 2010-02-22 23:42:02 -0500 | [diff] [blame] | 1 | /* |
Mike Lockwood | 8ab8b41 | 2010-02-24 12:59:14 -0500 | [diff] [blame] | 2 | * Copyright (C) 2008 The Android Open Source Project |
Mike Lockwood | c9d3be3 | 2010-02-22 23:42:02 -0500 | [diff] [blame] | 3 | * |
| 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| 5 | * you may not use this file except in compliance with the License. |
| 6 | * You may obtain a copy of the License at |
| 7 | * |
| 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 9 | * |
| 10 | * Unless required by applicable law or agreed to in writing, software |
| 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
| 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 13 | * See the License for the specific language governing permissions and |
| 14 | * limitations under the License. |
| 15 | */ |
| 16 | |
Mike Lockwood | 191d898 | 2010-02-23 07:50:18 -0500 | [diff] [blame] | 17 | package com.android.locationtracker; |
Mike Lockwood | c9d3be3 | 2010-02-22 23:42:02 -0500 | [diff] [blame] | 18 | |
Mike Lockwood | 191d898 | 2010-02-23 07:50:18 -0500 | [diff] [blame] | 19 | import com.android.locationtracker.data.DateUtils; |
| 20 | import com.android.locationtracker.data.TrackerDataHelper; |
| 21 | import com.android.locationtracker.data.TrackerListHelper; |
Mike Lockwood | c9d3be3 | 2010-02-22 23:42:02 -0500 | [diff] [blame] | 22 | |
| 23 | import android.app.AlertDialog; |
| 24 | import android.app.ListActivity; |
| 25 | import android.content.DialogInterface; |
| 26 | import android.content.DialogInterface.OnClickListener; |
| 27 | import android.content.Intent; |
| 28 | import android.database.Cursor; |
| 29 | import android.location.LocationManager; |
| 30 | import android.os.Bundle; |
| 31 | import android.util.Log; |
| 32 | import android.view.Menu; |
| 33 | import android.view.MenuInflater; |
| 34 | import android.view.MenuItem; |
| 35 | import android.widget.Toast; |
| 36 | |
| 37 | import java.io.BufferedWriter; |
| 38 | import java.io.File; |
| 39 | import java.io.FileWriter; |
| 40 | import java.io.IOException; |
| 41 | import java.io.Writer; |
| 42 | |
| 43 | /** |
| 44 | * Activity for location tracker service |
| 45 | * |
| 46 | * Contains facilities for starting and |
| 47 | * stopping location tracker service, as well as displaying the current location |
| 48 | * data |
| 49 | * |
| 50 | * Future enhancements: |
| 51 | * - export data as dB |
| 52 | * - enable/disable "start service" and "stop service" menu items as |
| 53 | * appropriate |
| 54 | */ |
| 55 | public class TrackerActivity extends ListActivity { |
| 56 | |
| 57 | static final String LOG_TAG = "LocationTracker"; |
| 58 | |
| 59 | private TrackerListHelper mDataHelper; |
| 60 | |
| 61 | /** |
| 62 | * Retrieves and displays the currently logged location data from file |
| 63 | * |
| 64 | * @param icicle |
| 65 | */ |
| 66 | @Override |
| 67 | protected void onCreate(Bundle icicle) { |
| 68 | super.onCreate(icicle); |
| 69 | |
| 70 | mDataHelper = new TrackerListHelper(this); |
| 71 | mDataHelper.bindListUI(R.layout.entrylist_item); |
| 72 | } |
| 73 | |
| 74 | /** |
| 75 | * Builds the menu |
| 76 | * |
| 77 | * @param menu - menu to add items to |
| 78 | */ |
| 79 | @Override |
| 80 | public boolean onCreateOptionsMenu(Menu menu) { |
| 81 | MenuInflater menuInflater = getMenuInflater(); |
| 82 | menuInflater.inflate(R.menu.menu, menu); |
| 83 | return true; |
| 84 | } |
| 85 | |
| 86 | /** |
| 87 | * Handles menu item selection |
| 88 | * |
| 89 | * @param item - the selected menu item |
| 90 | */ |
| 91 | @Override |
| 92 | public boolean onOptionsItemSelected(MenuItem item) { |
| 93 | switch (item.getItemId()) { |
| 94 | case R.id.start_service_menu: { |
| 95 | startService(new Intent(TrackerActivity.this, |
| 96 | TrackerService.class)); |
| 97 | break; |
| 98 | } |
| 99 | case R.id.stop_service_menu: { |
| 100 | stopService(new Intent(TrackerActivity.this, |
| 101 | TrackerService.class)); |
| 102 | break; |
| 103 | } |
| 104 | case R.id.settings_menu: { |
| 105 | launchSettings(); |
| 106 | break; |
| 107 | } |
| 108 | case R.id.export_kml: { |
| 109 | exportKML(); |
| 110 | break; |
| 111 | } |
| 112 | case R.id.export_csv: { |
| 113 | exportCSV(); |
| 114 | break; |
| 115 | } |
| 116 | case R.id.clear_data_menu: { |
| 117 | clearData(); |
| 118 | break; |
| 119 | } |
| 120 | } |
| 121 | return super.onOptionsItemSelected(item); |
| 122 | } |
| 123 | |
| 124 | private void clearData() { |
| 125 | Runnable clearAction = new Runnable() { |
| 126 | public void run() { |
| 127 | TrackerDataHelper helper = |
| 128 | new TrackerDataHelper(TrackerActivity.this); |
| 129 | helper.deleteAll(); |
| 130 | } |
| 131 | }; |
| 132 | showConfirm(R.string.delete_confirm, clearAction); |
| 133 | } |
| 134 | |
| 135 | private void showConfirm(int textId, final Runnable onConfirmAction) { |
| 136 | AlertDialog.Builder dialogBuilder = new AlertDialog.Builder(this); |
| 137 | dialogBuilder.setTitle(R.string.confirm_title); |
| 138 | dialogBuilder.setMessage(textId); |
| 139 | dialogBuilder.setPositiveButton(android.R.string.ok, |
| 140 | new OnClickListener() { |
| 141 | public void onClick(DialogInterface dialog, int which) { |
| 142 | onConfirmAction.run(); |
| 143 | } |
| 144 | }); |
| 145 | dialogBuilder.setNegativeButton(android.R.string.cancel, |
| 146 | new OnClickListener() { |
| 147 | public void onClick(DialogInterface dialog, int which) { |
| 148 | // do nothing |
| 149 | } |
| 150 | }); |
| 151 | dialogBuilder.show(); |
| 152 | } |
| 153 | |
| 154 | private void exportCSV() { |
| 155 | String exportFileName = getUniqueFileName("csv"); |
| 156 | exportFile(null, exportFileName, new TrackerDataHelper(this, |
| 157 | TrackerDataHelper.CSV_FORMATTER)); |
| 158 | } |
| 159 | |
| 160 | private void exportKML() { |
| 161 | String exportFileName = getUniqueFileName( |
| 162 | LocationManager.NETWORK_PROVIDER + ".kml"); |
| 163 | exportFile(LocationManager.NETWORK_PROVIDER, exportFileName, |
| 164 | new TrackerDataHelper(this, TrackerDataHelper.KML_FORMATTER)); |
| 165 | exportFileName = getUniqueFileName( |
| 166 | LocationManager.GPS_PROVIDER + ".kml"); |
| 167 | exportFile(LocationManager.GPS_PROVIDER, exportFileName, |
| 168 | new TrackerDataHelper(this, TrackerDataHelper.KML_FORMATTER)); |
| 169 | } |
| 170 | |
| 171 | private void exportFile(String tagFilter, |
| 172 | String exportFileName, |
| 173 | TrackerDataHelper trackerData) { |
| 174 | BufferedWriter exportWriter = null; |
| 175 | Cursor cursor = trackerData.query(tagFilter); |
| 176 | try { |
| 177 | exportWriter = new BufferedWriter(new FileWriter(exportFileName)); |
| 178 | exportWriter.write(trackerData.getOutputHeader()); |
| 179 | |
| 180 | String line = null; |
| 181 | |
| 182 | while ((line = trackerData.getNextOutput(cursor)) != null) { |
| 183 | exportWriter.write(line); |
| 184 | } |
| 185 | exportWriter.write(trackerData.getOutputFooter()); |
| 186 | Toast.makeText(this, "Successfully exported data to " + |
| 187 | exportFileName, Toast.LENGTH_SHORT).show(); |
| 188 | |
| 189 | } catch (IOException e) { |
| 190 | Toast.makeText(this, "Error exporting file: " + |
| 191 | e.getLocalizedMessage(), Toast.LENGTH_SHORT).show(); |
| 192 | |
| 193 | Log.e(LOG_TAG, "Error exporting file", e); |
| 194 | } finally { |
| 195 | closeWriter(exportWriter); |
| 196 | if (cursor != null) { |
| 197 | cursor.close(); |
| 198 | } |
| 199 | } |
| 200 | } |
| 201 | |
| 202 | private void closeWriter(Writer exportWriter) { |
| 203 | if (exportWriter != null) { |
| 204 | try { |
| 205 | exportWriter.close(); |
| 206 | } catch (IOException e) { |
| 207 | Log.e(LOG_TAG, "error closing file", e); |
| 208 | } |
| 209 | } |
| 210 | } |
| 211 | |
| 212 | private String getUniqueFileName(String ext) { |
| 213 | File dir = new File("/sdcard/locationtracker"); |
| 214 | if (!dir.exists()) { |
| 215 | dir.mkdir(); |
| 216 | } |
| 217 | return "/sdcard/locationtracker/tracking-" + |
| 218 | DateUtils.getCurrentTimestamp() + "." + ext; |
| 219 | } |
| 220 | |
| 221 | private void launchSettings() { |
| 222 | Intent settingsIntent = new Intent(); |
| 223 | settingsIntent.setClass(this, SettingsActivity.class); |
| 224 | startActivity(settingsIntent); |
| 225 | } |
| 226 | } |