Jeff Hamilton | 7949534 | 2010-10-18 13:13:10 -0500 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2010 The Android Open Source Project |
| 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 | |
| 17 | package com.android.apps.tag; |
| 18 | |
| 19 | import com.android.apps.tag.message.NdefMessageParser; |
| 20 | import com.android.apps.tag.message.ParsedNdefMessage; |
Jeff Hamilton | 0215c98 | 2010-10-18 17:27:21 -0500 | [diff] [blame] | 21 | import com.android.apps.tag.provider.TagContract.NdefMessages; |
Jeff Hamilton | 7949534 | 2010-10-18 13:13:10 -0500 | [diff] [blame] | 22 | import com.android.apps.tag.record.ParsedNdefRecord; |
| 23 | |
| 24 | import android.app.Activity; |
Jason parks | 40d9a0c | 2010-10-26 14:42:45 -0500 | [diff] [blame^] | 25 | import android.app.PendingIntent; |
| 26 | import android.content.ComponentName; |
Jeff Hamilton | 7949534 | 2010-10-18 13:13:10 -0500 | [diff] [blame] | 27 | import android.content.Intent; |
Jason parks | 40d9a0c | 2010-10-26 14:42:45 -0500 | [diff] [blame^] | 28 | import android.content.ServiceConnection; |
Ben Komalo | 9330d7c | 2010-10-19 14:16:49 -0700 | [diff] [blame] | 29 | import android.content.res.AssetFileDescriptor; |
Jeff Hamilton | 0215c98 | 2010-10-18 17:27:21 -0500 | [diff] [blame] | 30 | import android.database.Cursor; |
Jeff Hamilton | f34e4d5 | 2010-10-21 17:42:09 -0500 | [diff] [blame] | 31 | import android.media.AudioManager; |
Ben Komalo | 9330d7c | 2010-10-19 14:16:49 -0700 | [diff] [blame] | 32 | import android.media.MediaPlayer; |
Jeff Hamilton | 0215c98 | 2010-10-18 17:27:21 -0500 | [diff] [blame] | 33 | import android.net.Uri; |
| 34 | import android.nfc.FormatException; |
Jeff Hamilton | 7949534 | 2010-10-18 13:13:10 -0500 | [diff] [blame] | 35 | import android.nfc.NdefMessage; |
| 36 | import android.nfc.NdefTag; |
| 37 | import android.nfc.NfcAdapter; |
Jeff Hamilton | 0215c98 | 2010-10-18 17:27:21 -0500 | [diff] [blame] | 38 | import android.os.AsyncTask; |
Jeff Hamilton | 7949534 | 2010-10-18 13:13:10 -0500 | [diff] [blame] | 39 | import android.os.Bundle; |
Jason parks | 40d9a0c | 2010-10-26 14:42:45 -0500 | [diff] [blame^] | 40 | import android.os.IBinder; |
Jeff Hamilton | f979f1c | 2010-10-18 18:06:53 -0500 | [diff] [blame] | 41 | import android.text.format.DateUtils; |
Jeff Hamilton | 7949534 | 2010-10-18 13:13:10 -0500 | [diff] [blame] | 42 | import android.util.Log; |
Jeff Hamilton | 7949534 | 2010-10-18 13:13:10 -0500 | [diff] [blame] | 43 | import android.view.LayoutInflater; |
| 44 | import android.view.View; |
| 45 | import android.view.View.OnClickListener; |
| 46 | import android.view.WindowManager; |
| 47 | import android.widget.Button; |
| 48 | import android.widget.CheckBox; |
| 49 | import android.widget.ImageView; |
| 50 | import android.widget.LinearLayout; |
| 51 | import android.widget.TextView; |
| 52 | |
Ben Komalo | 9330d7c | 2010-10-19 14:16:49 -0700 | [diff] [blame] | 53 | import java.io.IOException; |
Jason parks | 40d9a0c | 2010-10-26 14:42:45 -0500 | [diff] [blame^] | 54 | import java.util.List; |
Ben Komalo | 9330d7c | 2010-10-19 14:16:49 -0700 | [diff] [blame] | 55 | |
Jeff Hamilton | 7949534 | 2010-10-18 13:13:10 -0500 | [diff] [blame] | 56 | /** |
| 57 | * An {@link Activity} which handles a broadcast of a new tag that the device just discovered. |
| 58 | */ |
Jeff Hamilton | 52baa66 | 2010-10-22 01:42:44 -0500 | [diff] [blame] | 59 | public class TagViewer extends Activity implements OnClickListener { |
Jeff Hamilton | f979f1c | 2010-10-18 18:06:53 -0500 | [diff] [blame] | 60 | static final String TAG = "SaveTag"; |
Jeff Hamilton | 7949534 | 2010-10-18 13:13:10 -0500 | [diff] [blame] | 61 | static final String EXTRA_TAG_DB_ID = "db_id"; |
| 62 | static final String EXTRA_MESSAGE = "msg"; |
| 63 | |
| 64 | /** This activity will finish itself in this amount of time if the user doesn't do anything. */ |
Jeff Hamilton | 0215c98 | 2010-10-18 17:27:21 -0500 | [diff] [blame] | 65 | static final int ACTIVITY_TIMEOUT_MS = 5 * 1000; |
Jeff Hamilton | 7949534 | 2010-10-18 13:13:10 -0500 | [diff] [blame] | 66 | |
Jeff Hamilton | 0215c98 | 2010-10-18 17:27:21 -0500 | [diff] [blame] | 67 | Uri mTagUri; |
Jeff Hamilton | 7949534 | 2010-10-18 13:13:10 -0500 | [diff] [blame] | 68 | ImageView mIcon; |
| 69 | TextView mTitle; |
Jeff Hamilton | f979f1c | 2010-10-18 18:06:53 -0500 | [diff] [blame] | 70 | TextView mDate; |
Jeff Hamilton | 7949534 | 2010-10-18 13:13:10 -0500 | [diff] [blame] | 71 | CheckBox mStar; |
| 72 | Button mDeleteButton; |
Jeff Hamilton | 0215c98 | 2010-10-18 17:27:21 -0500 | [diff] [blame] | 73 | Button mDoneButton; |
Jason parks | 2163875 | 2010-10-21 17:22:16 -0500 | [diff] [blame] | 74 | NdefTag mTag = null; |
Jeff Hamilton | 0215c98 | 2010-10-18 17:27:21 -0500 | [diff] [blame] | 75 | LinearLayout mTagContent; |
Jeff Hamilton | 7949534 | 2010-10-18 13:13:10 -0500 | [diff] [blame] | 76 | |
| 77 | @Override |
| 78 | protected void onCreate(Bundle savedInstanceState) { |
| 79 | super.onCreate(savedInstanceState); |
| 80 | |
| 81 | getWindow().addFlags(WindowManager.LayoutParams.FLAG_SHOW_WHEN_LOCKED |
| 82 | | WindowManager.LayoutParams.FLAG_DISMISS_KEYGUARD |
Jeff Hamilton | 7949534 | 2010-10-18 13:13:10 -0500 | [diff] [blame] | 83 | | WindowManager.LayoutParams.FLAG_ALLOW_LOCK_WHILE_SCREEN_ON |
Jeff Hamilton | 7949534 | 2010-10-18 13:13:10 -0500 | [diff] [blame] | 84 | ); |
| 85 | |
| 86 | setContentView(R.layout.tag_viewer); |
| 87 | |
Jeff Hamilton | 0215c98 | 2010-10-18 17:27:21 -0500 | [diff] [blame] | 88 | mTagContent = (LinearLayout) findViewById(R.id.list); |
Jeff Hamilton | 7949534 | 2010-10-18 13:13:10 -0500 | [diff] [blame] | 89 | mTitle = (TextView) findViewById(R.id.title); |
Jeff Hamilton | f979f1c | 2010-10-18 18:06:53 -0500 | [diff] [blame] | 90 | mDate = (TextView) findViewById(R.id.date); |
Jeff Hamilton | 7949534 | 2010-10-18 13:13:10 -0500 | [diff] [blame] | 91 | mIcon = (ImageView) findViewById(R.id.icon); |
| 92 | mStar = (CheckBox) findViewById(R.id.star); |
Jeff Hamilton | 0215c98 | 2010-10-18 17:27:21 -0500 | [diff] [blame] | 93 | mDeleteButton = (Button) findViewById(R.id.button_delete); |
| 94 | mDoneButton = (Button) findViewById(R.id.button_done); |
Jeff Hamilton | 7949534 | 2010-10-18 13:13:10 -0500 | [diff] [blame] | 95 | |
| 96 | mDeleteButton.setOnClickListener(this); |
Jeff Hamilton | 0215c98 | 2010-10-18 17:27:21 -0500 | [diff] [blame] | 97 | mDoneButton.setOnClickListener(this); |
Jeff Hamilton | 52baa66 | 2010-10-22 01:42:44 -0500 | [diff] [blame] | 98 | mStar.setOnClickListener(this); |
Jeff Hamilton | 7949534 | 2010-10-18 13:13:10 -0500 | [diff] [blame] | 99 | mIcon.setImageResource(R.drawable.ic_launcher_nfc); |
| 100 | |
Jeff Hamilton | 0215c98 | 2010-10-18 17:27:21 -0500 | [diff] [blame] | 101 | resolveIntent(getIntent()); |
| 102 | } |
| 103 | |
Jason parks | 40d9a0c | 2010-10-26 14:42:45 -0500 | [diff] [blame^] | 104 | @Override |
| 105 | public void onRestart() { |
| 106 | super.onRestart(); |
| 107 | if (mTagUri == null) { |
| 108 | // Someone how the user was fast enough to navigate away from the activity |
| 109 | // before the service was able to save the tag and call back onto this |
| 110 | // activity with the pending intent. Since we don't know what do display here |
| 111 | // just finish the activity. |
| 112 | finish(); |
| 113 | } |
| 114 | } |
| 115 | |
| 116 | @Override |
| 117 | public void onStop() { |
| 118 | super.onStop(); |
| 119 | |
| 120 | PendingIntent pending = getPendingIntent(); |
| 121 | pending.cancel(); |
| 122 | } |
| 123 | |
| 124 | private PendingIntent getPendingIntent() { |
| 125 | Intent callback = new Intent(); |
| 126 | callback.setClass(this, TagViewer.class); |
| 127 | callback.setAction(Intent.ACTION_VIEW); |
| 128 | callback.setFlags(Intent. FLAG_ACTIVITY_CLEAR_TOP); |
| 129 | |
| 130 | return PendingIntent.getActivity(this, 0, callback, PendingIntent.FLAG_CANCEL_CURRENT); |
| 131 | } |
| 132 | |
| 133 | |
Jeff Hamilton | 0215c98 | 2010-10-18 17:27:21 -0500 | [diff] [blame] | 134 | void resolveIntent(Intent intent) { |
| 135 | // Parse the intent |
| 136 | String action = intent.getAction(); |
| 137 | if (NfcAdapter.ACTION_NDEF_TAG_DISCOVERED.equals(action)) { |
Jason parks | 40d9a0c | 2010-10-26 14:42:45 -0500 | [diff] [blame^] | 138 | // When a tag is discovered we send it to the service to be save. We |
| 139 | // include a PendingIntent for the service to call back onto. This |
| 140 | // will cause this activity to be restarted with onNewIntent(). At |
| 141 | // that time we read it from the database and view it. |
| 142 | |
Jeff Hamilton | 0215c98 | 2010-10-18 17:27:21 -0500 | [diff] [blame] | 143 | NdefTag tag = intent.getParcelableExtra(NfcAdapter.EXTRA_TAG); |
Jason parks | 40d9a0c | 2010-10-26 14:42:45 -0500 | [diff] [blame^] | 144 | |
| 145 | PendingIntent pending = getPendingIntent(); |
| 146 | |
| 147 | TagService.saveTag(this, tag, false, pending); |
Jeff Hamilton | 7949534 | 2010-10-18 13:13:10 -0500 | [diff] [blame] | 148 | |
Jeff Hamilton | 0215c98 | 2010-10-18 17:27:21 -0500 | [diff] [blame] | 149 | // Setup the views |
| 150 | setTitle(R.string.title_scanned_tag); |
Jeff Hamilton | f979f1c | 2010-10-18 18:06:53 -0500 | [diff] [blame] | 151 | mDate.setVisibility(View.GONE); |
Jeff Hamilton | 52baa66 | 2010-10-22 01:42:44 -0500 | [diff] [blame] | 152 | mStar.setChecked(false); |
| 153 | mStar.setEnabled(true); |
Jeff Hamilton | 7949534 | 2010-10-18 13:13:10 -0500 | [diff] [blame] | 154 | |
Ben Komalo | 9330d7c | 2010-10-19 14:16:49 -0700 | [diff] [blame] | 155 | // Play notification. |
| 156 | try { |
| 157 | MediaPlayer player = new MediaPlayer(); |
| 158 | AssetFileDescriptor file = getResources().openRawResourceFd( |
| 159 | R.raw.discovered_tag_notification); |
| 160 | player.setDataSource( |
| 161 | file.getFileDescriptor(), |
| 162 | file.getStartOffset(), |
| 163 | file.getLength()); |
| 164 | file.close(); |
Jeff Hamilton | f34e4d5 | 2010-10-21 17:42:09 -0500 | [diff] [blame] | 165 | player.setAudioStreamType(AudioManager.STREAM_MUSIC); |
Ben Komalo | 9330d7c | 2010-10-19 14:16:49 -0700 | [diff] [blame] | 166 | player.prepare(); |
| 167 | player.start(); |
| 168 | } catch (IOException ex) { |
| 169 | Log.w(TAG, "Sound creation failed for tag discovery"); |
| 170 | } |
| 171 | |
Jeff Hamilton | 0215c98 | 2010-10-18 17:27:21 -0500 | [diff] [blame] | 172 | } else if (Intent.ACTION_VIEW.equals(action)) { |
| 173 | // Setup the views |
| 174 | setTitle(R.string.title_existing_tag); |
| 175 | mStar.setVisibility(View.VISIBLE); |
Jeff Hamilton | 52baa66 | 2010-10-22 01:42:44 -0500 | [diff] [blame] | 176 | mStar.setEnabled(false); // it's reenabled when the async load completes |
Jeff Hamilton | f979f1c | 2010-10-18 18:06:53 -0500 | [diff] [blame] | 177 | mDate.setVisibility(View.VISIBLE); |
Jeff Hamilton | 0215c98 | 2010-10-18 17:27:21 -0500 | [diff] [blame] | 178 | |
| 179 | // Read the tag from the database asynchronously |
| 180 | mTagUri = intent.getData(); |
| 181 | new LoadTagTask().execute(mTagUri); |
| 182 | } else { |
| 183 | Log.e(TAG, "Unknown intent " + intent); |
Jeff Hamilton | 7949534 | 2010-10-18 13:13:10 -0500 | [diff] [blame] | 184 | finish(); |
| 185 | return; |
| 186 | } |
Jeff Hamilton | 7949534 | 2010-10-18 13:13:10 -0500 | [diff] [blame] | 187 | } |
| 188 | |
Jeff Hamilton | 0215c98 | 2010-10-18 17:27:21 -0500 | [diff] [blame] | 189 | void buildTagViews(NdefMessage[] msgs) { |
Jeff Hamilton | 7949534 | 2010-10-18 13:13:10 -0500 | [diff] [blame] | 190 | if (msgs == null || msgs.length == 0) { |
| 191 | return; |
| 192 | } |
| 193 | |
Jeff Hamilton | 0215c98 | 2010-10-18 17:27:21 -0500 | [diff] [blame] | 194 | LayoutInflater inflater = LayoutInflater.from(this); |
| 195 | LinearLayout content = mTagContent; |
Jeff Hamilton | 7949534 | 2010-10-18 13:13:10 -0500 | [diff] [blame] | 196 | |
Jeff Hamilton | 0215c98 | 2010-10-18 17:27:21 -0500 | [diff] [blame] | 197 | // Clear out any old views in the content area, for example if you scan two tags in a row. |
| 198 | content.removeAllViews(); |
| 199 | |
| 200 | // Parse the first message in the list |
| 201 | //TODO figure out what to do when/if we support multiple messages per tag |
| 202 | ParsedNdefMessage parsedMsg = NdefMessageParser.parse(msgs[0]); |
Jeff Hamilton | 7949534 | 2010-10-18 13:13:10 -0500 | [diff] [blame] | 203 | |
| 204 | // Build views for all of the sub records |
Jason parks | 40d9a0c | 2010-10-26 14:42:45 -0500 | [diff] [blame^] | 205 | List<ParsedNdefRecord> records = parsedMsg.getRecords(); |
| 206 | final int size = records.size(); |
| 207 | |
| 208 | for (int i = 0 ; i < size ; i++) { |
| 209 | ParsedNdefRecord record = records.get(i); |
| 210 | content.addView(record.getView(this, inflater, content, i)); |
Jeff Hamilton | 0215c98 | 2010-10-18 17:27:21 -0500 | [diff] [blame] | 211 | inflater.inflate(R.layout.tag_divider, content, true); |
Jeff Hamilton | 7949534 | 2010-10-18 13:13:10 -0500 | [diff] [blame] | 212 | } |
| 213 | } |
| 214 | |
| 215 | @Override |
Jeff Hamilton | 0215c98 | 2010-10-18 17:27:21 -0500 | [diff] [blame] | 216 | public void onNewIntent(Intent intent) { |
Jason parks | 40d9a0c | 2010-10-26 14:42:45 -0500 | [diff] [blame^] | 217 | setIntent(intent); |
Jeff Hamilton | 0215c98 | 2010-10-18 17:27:21 -0500 | [diff] [blame] | 218 | resolveIntent(intent); |
| 219 | } |
| 220 | |
| 221 | @Override |
Jeff Hamilton | 7949534 | 2010-10-18 13:13:10 -0500 | [diff] [blame] | 222 | public void setTitle(CharSequence title) { |
| 223 | mTitle.setText(title); |
| 224 | } |
| 225 | |
| 226 | @Override |
| 227 | public void onClick(View view) { |
| 228 | if (view == mDeleteButton) { |
Jeff Hamilton | 0215c98 | 2010-10-18 17:27:21 -0500 | [diff] [blame] | 229 | if (mTagUri == null) { |
| 230 | // The tag hasn't been saved yet, so indicate it shouldn't be saved |
Jason parks | 2163875 | 2010-10-21 17:22:16 -0500 | [diff] [blame] | 231 | mTag = null; |
Jeff Hamilton | 0215c98 | 2010-10-18 17:27:21 -0500 | [diff] [blame] | 232 | finish(); |
| 233 | } else { |
| 234 | // The tag came from the database, start a service to delete it |
Jeff Hamilton | 52baa66 | 2010-10-22 01:42:44 -0500 | [diff] [blame] | 235 | TagService.delete(this, mTagUri); |
Jeff Hamilton | 0215c98 | 2010-10-18 17:27:21 -0500 | [diff] [blame] | 236 | finish(); |
| 237 | } |
| 238 | } else if (view == mDoneButton) { |
Jeff Hamilton | 7949534 | 2010-10-18 13:13:10 -0500 | [diff] [blame] | 239 | finish(); |
Jeff Hamilton | 52baa66 | 2010-10-22 01:42:44 -0500 | [diff] [blame] | 240 | } else if (view == mStar) { |
| 241 | if (mTagUri != null) { |
| 242 | TagService.setStar(this, mTagUri, mStar.isChecked()); |
| 243 | } |
Jeff Hamilton | 7949534 | 2010-10-18 13:13:10 -0500 | [diff] [blame] | 244 | } |
| 245 | } |
| 246 | |
Jeff Hamilton | f979f1c | 2010-10-18 18:06:53 -0500 | [diff] [blame] | 247 | interface ViewTagQuery { |
| 248 | final static String[] PROJECTION = new String[] { |
| 249 | NdefMessages.BYTES, // 0 |
| 250 | NdefMessages.STARRED, // 1 |
| 251 | NdefMessages.DATE, // 2 |
| 252 | }; |
| 253 | |
| 254 | static final int COLUMN_BYTES = 0; |
| 255 | static final int COLUMN_STARRED = 1; |
| 256 | static final int COLUMN_DATE = 2; |
| 257 | } |
| 258 | |
Jeff Hamilton | 0215c98 | 2010-10-18 17:27:21 -0500 | [diff] [blame] | 259 | /** |
| 260 | * Loads a tag from the database, parses it, and builds the views |
| 261 | */ |
Jeff Hamilton | f979f1c | 2010-10-18 18:06:53 -0500 | [diff] [blame] | 262 | final class LoadTagTask extends AsyncTask<Uri, Void, Cursor> { |
Jeff Hamilton | 0215c98 | 2010-10-18 17:27:21 -0500 | [diff] [blame] | 263 | @Override |
Jeff Hamilton | f979f1c | 2010-10-18 18:06:53 -0500 | [diff] [blame] | 264 | public Cursor doInBackground(Uri... args) { |
| 265 | Cursor cursor = getContentResolver().query(args[0], ViewTagQuery.PROJECTION, |
Jeff Hamilton | 0215c98 | 2010-10-18 17:27:21 -0500 | [diff] [blame] | 266 | null, null, null); |
Jeff Hamilton | f979f1c | 2010-10-18 18:06:53 -0500 | [diff] [blame] | 267 | |
| 268 | // Ensure the cursor loads its window |
| 269 | if (cursor != null) cursor.getCount(); |
| 270 | return cursor; |
| 271 | } |
| 272 | |
| 273 | @Override |
| 274 | public void onPostExecute(Cursor cursor) { |
| 275 | NdefMessage msg = null; |
Jeff Hamilton | 0215c98 | 2010-10-18 17:27:21 -0500 | [diff] [blame] | 276 | try { |
Jeff Hamilton | f979f1c | 2010-10-18 18:06:53 -0500 | [diff] [blame] | 277 | if (cursor != null && cursor.moveToFirst()) { |
| 278 | msg = new NdefMessage(cursor.getBlob(ViewTagQuery.COLUMN_BYTES)); |
| 279 | if (msg != null) { |
| 280 | mDate.setText(DateUtils.getRelativeTimeSpanString(TagViewer.this, |
| 281 | cursor.getLong(ViewTagQuery.COLUMN_DATE))); |
| 282 | mStar.setChecked(cursor.getInt(ViewTagQuery.COLUMN_STARRED) != 0); |
Jeff Hamilton | 52baa66 | 2010-10-22 01:42:44 -0500 | [diff] [blame] | 283 | mStar.setEnabled(true); |
Jeff Hamilton | f979f1c | 2010-10-18 18:06:53 -0500 | [diff] [blame] | 284 | buildTagViews(new NdefMessage[] { msg }); |
| 285 | } |
Jeff Hamilton | 0215c98 | 2010-10-18 17:27:21 -0500 | [diff] [blame] | 286 | } |
| 287 | } catch (FormatException e) { |
| 288 | Log.e(TAG, "invalid tag format", e); |
| 289 | } finally { |
| 290 | if (cursor != null) cursor.close(); |
| 291 | } |
Jeff Hamilton | 0215c98 | 2010-10-18 17:27:21 -0500 | [diff] [blame] | 292 | } |
| 293 | } |
Jeff Hamilton | 7949534 | 2010-10-18 13:13:10 -0500 | [diff] [blame] | 294 | } |