2 * Copyright (C) 2008 ZXing authors
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
8 * http://www.apache.org/licenses/LICENSE-2.0
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.
17 package com.google.zxing.client.android;
19 import com.google.zxing.BarcodeFormat;
20 import com.google.zxing.Result;
21 import com.google.zxing.ResultPoint;
22 import com.google.zxing.client.android.history.HistoryManager;
23 import com.google.zxing.client.android.result.ResultButtonListener;
24 import com.google.zxing.client.android.result.ResultHandler;
25 import com.google.zxing.client.android.result.ResultHandlerFactory;
26 import com.google.zxing.client.android.share.ShareActivity;
28 import android.app.Activity;
29 import android.app.AlertDialog;
30 import android.content.DialogInterface;
31 import android.content.Intent;
32 import android.content.SharedPreferences;
33 import android.content.pm.PackageInfo;
34 import android.content.pm.PackageManager;
35 import android.content.res.AssetFileDescriptor;
36 import android.content.res.Configuration;
37 import android.graphics.Bitmap;
38 import android.graphics.Canvas;
39 import android.graphics.Paint;
40 import android.graphics.Rect;
41 import android.graphics.drawable.BitmapDrawable;
42 import android.media.AudioManager;
43 import android.media.MediaPlayer;
44 import android.media.MediaPlayer.OnCompletionListener;
45 import android.net.Uri;
46 import android.os.Bundle;
47 import android.os.Handler;
48 import android.os.Message;
49 import android.os.Vibrator;
50 import android.preference.PreferenceManager;
51 import android.text.ClipboardManager;
52 import android.text.SpannableStringBuilder;
53 import android.text.style.UnderlineSpan;
54 import android.util.Log;
55 import android.view.Gravity;
56 import android.view.KeyEvent;
57 import android.view.Menu;
58 import android.view.MenuItem;
59 import android.view.SurfaceHolder;
60 import android.view.SurfaceView;
61 import android.view.View;
62 import android.view.ViewGroup;
63 import android.view.Window;
64 import android.view.WindowManager;
65 import android.widget.ImageView;
66 import android.widget.TextView;
68 import java.io.IOException;
69 import java.util.Vector;
70 import java.util.regex.Pattern;
73 * The barcode reader activity itself. This is loosely based on the CameraPreview
74 * example included in the Android SDK.
76 * @author dswitkin@google.com (Daniel Switkin)
78 public final class CaptureActivity extends Activity implements SurfaceHolder.Callback {
80 private static final String TAG = "CaptureActivity";
81 private static final Pattern COMMA_PATTERN = Pattern.compile(",");
83 private static final int SHARE_ID = Menu.FIRST;
84 private static final int HISTORY_ID = Menu.FIRST + 1;
85 private static final int SETTINGS_ID = Menu.FIRST + 2;
86 private static final int HELP_ID = Menu.FIRST + 3;
87 private static final int ABOUT_ID = Menu.FIRST + 4;
89 private static final int MAX_RESULT_IMAGE_SIZE = 150;
90 private static final long INTENT_RESULT_DURATION = 1500L;
91 private static final float BEEP_VOLUME = 0.10f;
92 private static final long VIBRATE_DURATION = 200L;
94 private static final String PACKAGE_NAME = "com.google.zxing.client.android";
95 private static final String PRODUCT_SEARCH_URL_PREFIX = "http://www.google";
96 private static final String PRODUCT_SEARCH_URL_SUFFIX = "/m/products/scan";
97 private static final String ZXING_URL = "http://zxing.appspot.com/scan";
99 static final Vector<BarcodeFormat> PRODUCT_FORMATS;
100 static final Vector<BarcodeFormat> ONE_D_FORMATS;
101 static final Vector<BarcodeFormat> QR_CODE_FORMATS;
102 static final Vector<BarcodeFormat> ALL_FORMATS;
105 PRODUCT_FORMATS = new Vector<BarcodeFormat>(5);
106 PRODUCT_FORMATS.add(BarcodeFormat.UPC_A);
107 PRODUCT_FORMATS.add(BarcodeFormat.UPC_E);
108 PRODUCT_FORMATS.add(BarcodeFormat.EAN_13);
109 PRODUCT_FORMATS.add(BarcodeFormat.EAN_8);
110 PRODUCT_FORMATS.add(BarcodeFormat.RSS14);
111 ONE_D_FORMATS = new Vector<BarcodeFormat>(PRODUCT_FORMATS.size() + 3);
112 ONE_D_FORMATS.addAll(PRODUCT_FORMATS);
113 ONE_D_FORMATS.add(BarcodeFormat.CODE_39);
114 ONE_D_FORMATS.add(BarcodeFormat.CODE_128);
115 ONE_D_FORMATS.add(BarcodeFormat.ITF);
116 QR_CODE_FORMATS = new Vector<BarcodeFormat>(1);
117 QR_CODE_FORMATS.add(BarcodeFormat.QR_CODE);
118 ALL_FORMATS = new Vector<BarcodeFormat>(ONE_D_FORMATS.size() + QR_CODE_FORMATS.size());
119 ALL_FORMATS.addAll(ONE_D_FORMATS);
120 ALL_FORMATS.addAll(QR_CODE_FORMATS);
123 private enum Source {
130 private CaptureActivityHandler handler;
132 private ViewfinderView viewfinderView;
133 private View statusView;
134 private View resultView;
135 private MediaPlayer mediaPlayer;
136 private Result lastResult;
137 private boolean hasSurface;
138 private boolean playBeep;
139 private boolean vibrate;
140 private boolean copyToClipboard;
141 private Source source;
142 private String sourceUrl;
143 private Vector<BarcodeFormat> decodeFormats;
144 private String characterSet;
145 private String versionName;
146 private HistoryManager historyManager;
148 private final OnCompletionListener beepListener = new BeepListener();
150 private final DialogInterface.OnClickListener aboutListener =
151 new DialogInterface.OnClickListener() {
152 public void onClick(DialogInterface dialogInterface, int i) {
153 Intent intent = new Intent(Intent.ACTION_VIEW, Uri.parse(getString(R.string.zxing_url)));
154 intent.addFlags(Intent.FLAG_ACTIVITY_CLEAR_WHEN_TASK_RESET);
155 startActivity(intent);
159 ViewfinderView getViewfinderView() {
160 return viewfinderView;
163 public Handler getHandler() {
168 public void onCreate(Bundle icicle) {
169 super.onCreate(icicle);
171 Window window = getWindow();
172 window.addFlags(WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON);
173 setContentView(R.layout.capture);
175 CameraManager.init(getApplication());
176 viewfinderView = (ViewfinderView) findViewById(R.id.viewfinder_view);
177 resultView = findViewById(R.id.result_view);
178 statusView = findViewById(R.id.status_view);
182 historyManager = new HistoryManager(this);
183 historyManager.trimHistory();
185 showHelpOnFirstLaunch();
189 protected void onResume() {
192 SurfaceView surfaceView = (SurfaceView) findViewById(R.id.preview_view);
193 SurfaceHolder surfaceHolder = surfaceView.getHolder();
195 // The activity was paused but not stopped, so the surface still exists. Therefore
196 // surfaceCreated() won't be called, so init the camera here.
197 initCamera(surfaceHolder);
199 // Install the callback and wait for surfaceCreated() to init the camera.
200 surfaceHolder.addCallback(this);
201 surfaceHolder.setType(SurfaceHolder.SURFACE_TYPE_PUSH_BUFFERS);
204 Intent intent = getIntent();
205 String action = intent == null ? null : intent.getAction();
206 String dataString = intent == null ? null : intent.getDataString();
207 if (intent != null && action != null) {
208 if (action.equals(Intents.Scan.ACTION)) {
209 // Scan the formats the intent requested, and return the result to the calling activity.
210 source = Source.NATIVE_APP_INTENT;
211 decodeFormats = parseDecodeFormats(intent);
213 } else if (dataString != null && dataString.contains(PRODUCT_SEARCH_URL_PREFIX) &&
214 dataString.contains(PRODUCT_SEARCH_URL_SUFFIX)) {
215 // Scan only products and send the result to mobile Product Search.
216 source = Source.PRODUCT_SEARCH_LINK;
217 sourceUrl = dataString;
218 decodeFormats = PRODUCT_FORMATS;
220 } else if (dataString != null && dataString.equals(ZXING_URL)) {
221 // Scan all formats and handle the results ourselves.
222 // TODO: In the future we could allow the hyperlink to include a URL to send the results to.
223 source = Source.ZXING_LINK;
224 sourceUrl = dataString;
225 decodeFormats = null;
228 // Scan all formats and handle the results ourselves (launched from Home).
229 source = Source.NONE;
230 decodeFormats = null;
233 characterSet = intent.getStringExtra(Intents.Scan.CHARACTER_SET);
235 source = Source.NONE;
236 decodeFormats = null;
238 if (lastResult == null) {
243 SharedPreferences prefs = PreferenceManager.getDefaultSharedPreferences(this);
244 playBeep = prefs.getBoolean(PreferencesActivity.KEY_PLAY_BEEP, true);
245 vibrate = prefs.getBoolean(PreferencesActivity.KEY_VIBRATE, false);
246 copyToClipboard = prefs.getBoolean(PreferencesActivity.KEY_COPY_TO_CLIPBOARD, true);
250 private static Vector<BarcodeFormat> parseDecodeFormats(Intent intent) {
251 String scanFormats = intent.getStringExtra(Intents.Scan.SCAN_FORMATS);
252 if (scanFormats != null) {
253 Vector<BarcodeFormat> formats = new Vector<BarcodeFormat>();
255 for (String format : COMMA_PATTERN.split(scanFormats)) {
256 formats.add(BarcodeFormat.valueOf(format));
259 } catch (IllegalArgumentException iae) {
263 String decodeMode = intent.getStringExtra(Intents.Scan.MODE);
264 if (decodeMode != null) {
265 if (Intents.Scan.PRODUCT_MODE.equals(decodeMode)) {
266 return PRODUCT_FORMATS;
268 if (Intents.Scan.QR_CODE_MODE.equals(decodeMode)) {
269 return QR_CODE_FORMATS;
271 if (Intents.Scan.ONE_D_MODE.equals(decodeMode)) {
272 return ONE_D_FORMATS;
279 protected void onPause() {
281 if (handler != null) {
282 handler.quitSynchronously();
285 CameraManager.get().closeDriver();
289 public boolean onKeyDown(int keyCode, KeyEvent event) {
290 if (keyCode == KeyEvent.KEYCODE_BACK) {
291 if (source == Source.NATIVE_APP_INTENT) {
292 setResult(RESULT_CANCELED);
295 } else if ((source == Source.NONE || source == Source.ZXING_LINK) && lastResult != null) {
297 if (handler != null) {
298 handler.sendEmptyMessage(R.id.restart_preview);
302 } else if (keyCode == KeyEvent.KEYCODE_FOCUS || keyCode == KeyEvent.KEYCODE_CAMERA) {
303 // Handle these events so they don't launch the Camera app
306 return super.onKeyDown(keyCode, event);
310 public boolean onCreateOptionsMenu(Menu menu) {
311 super.onCreateOptionsMenu(menu);
312 menu.add(0, SHARE_ID, 0, R.string.menu_share)
313 .setIcon(android.R.drawable.ic_menu_share);
314 menu.add(0, HISTORY_ID, 0, R.string.menu_history)
315 .setIcon(android.R.drawable.ic_menu_recent_history);
316 menu.add(0, SETTINGS_ID, 0, R.string.menu_settings)
317 .setIcon(android.R.drawable.ic_menu_preferences);
318 menu.add(0, HELP_ID, 0, R.string.menu_help)
319 .setIcon(android.R.drawable.ic_menu_help);
320 menu.add(0, ABOUT_ID, 0, R.string.menu_about)
321 .setIcon(android.R.drawable.ic_menu_info_details);
325 // Don't display the share menu item if the result overlay is showing.
327 public boolean onPrepareOptionsMenu(Menu menu) {
328 super.onPrepareOptionsMenu(menu);
329 menu.findItem(SHARE_ID).setVisible(lastResult == null);
334 public boolean onOptionsItemSelected(MenuItem item) {
335 switch (item.getItemId()) {
337 Intent intent = new Intent(Intent.ACTION_VIEW);
338 intent.addFlags(Intent.FLAG_ACTIVITY_CLEAR_WHEN_TASK_RESET);
339 intent.setClassName(this, ShareActivity.class.getName());
340 startActivity(intent);
344 AlertDialog historyAlert = historyManager.buildAlert();
349 Intent intent = new Intent(Intent.ACTION_VIEW);
350 intent.addFlags(Intent.FLAG_ACTIVITY_CLEAR_WHEN_TASK_RESET);
351 intent.setClassName(this, PreferencesActivity.class.getName());
352 startActivity(intent);
356 Intent intent = new Intent(Intent.ACTION_VIEW);
357 intent.addFlags(Intent.FLAG_ACTIVITY_CLEAR_WHEN_TASK_RESET);
358 intent.setClassName(this, HelpActivity.class.getName());
359 startActivity(intent);
363 AlertDialog.Builder builder = new AlertDialog.Builder(this);
364 builder.setTitle(getString(R.string.title_about) + versionName);
365 builder.setMessage(getString(R.string.msg_about) + "\n\n" + getString(R.string.zxing_url));
366 builder.setIcon(R.drawable.zxing_icon);
367 builder.setPositiveButton(R.string.button_open_browser, aboutListener);
368 builder.setNegativeButton(R.string.button_cancel, null);
372 return super.onOptionsItemSelected(item);
376 public void onConfigurationChanged(Configuration config) {
377 // Do nothing, this is to prevent the activity from being restarted when the keyboard opens.
378 super.onConfigurationChanged(config);
381 public void surfaceCreated(SurfaceHolder holder) {
388 public void surfaceDestroyed(SurfaceHolder holder) {
392 public void surfaceChanged(SurfaceHolder holder, int format, int width, int height) {
397 * A valid barcode has been found, so give an indication of success and show the results.
399 * @param rawResult The contents of the barcode.
400 * @param barcode A greyscale bitmap of the camera data which was decoded.
402 public void handleDecode(Result rawResult, Bitmap barcode) {
403 lastResult = rawResult;
404 historyManager.addHistoryItem(rawResult);
405 if (barcode == null) {
406 // This is from history -- no saved barcode
407 handleDecodeInternally(rawResult, null);
409 playBeepSoundAndVibrate();
410 drawResultPoints(barcode, rawResult);
412 case NATIVE_APP_INTENT:
413 case PRODUCT_SEARCH_LINK:
414 handleDecodeExternally(rawResult, barcode);
418 handleDecodeInternally(rawResult, barcode);
425 * Superimpose a line for 1D or dots for 2D to highlight the key features of the barcode.
427 * @param barcode A bitmap of the captured image.
428 * @param rawResult The decoded results which contains the points to draw.
430 private void drawResultPoints(Bitmap barcode, Result rawResult) {
431 ResultPoint[] points = rawResult.getResultPoints();
432 if (points != null && points.length > 0) {
433 Canvas canvas = new Canvas(barcode);
434 Paint paint = new Paint();
435 paint.setColor(getResources().getColor(R.color.result_image_border));
436 paint.setStrokeWidth(3.0f);
437 paint.setStyle(Paint.Style.STROKE);
438 Rect border = new Rect(2, 2, barcode.getWidth() - 2, barcode.getHeight() - 2);
439 canvas.drawRect(border, paint);
441 paint.setColor(getResources().getColor(R.color.result_points));
442 if (points.length == 2) {
443 paint.setStrokeWidth(4.0f);
444 canvas.drawLine(points[0].getX(), points[0].getY(), points[1].getX(),
445 points[1].getY(), paint);
447 paint.setStrokeWidth(10.0f);
448 for (ResultPoint point : points) {
449 canvas.drawPoint(point.getX(), point.getY(), paint);
455 // Put up our own UI for how to handle the decoded contents.
456 private void handleDecodeInternally(Result rawResult, Bitmap barcode) {
457 statusView.setVisibility(View.GONE);
458 viewfinderView.setVisibility(View.GONE);
459 resultView.setVisibility(View.VISIBLE);
461 if (barcode == null) {
462 barcode = ((BitmapDrawable) getResources().getDrawable(R.drawable.unknown_barcode)).getBitmap();
464 ImageView barcodeImageView = (ImageView) findViewById(R.id.barcode_image_view);
465 barcodeImageView.setVisibility(View.VISIBLE);
466 barcodeImageView.setMaxWidth(MAX_RESULT_IMAGE_SIZE);
467 barcodeImageView.setMaxHeight(MAX_RESULT_IMAGE_SIZE);
468 barcodeImageView.setImageBitmap(barcode);
470 TextView formatTextView = (TextView) findViewById(R.id.format_text_view);
471 formatTextView.setVisibility(View.VISIBLE);
472 formatTextView.setText(getString(R.string.msg_default_format) + ": " +
473 rawResult.getBarcodeFormat().toString());
475 ResultHandler resultHandler = ResultHandlerFactory.makeResultHandler(this, rawResult);
476 TextView typeTextView = (TextView) findViewById(R.id.type_text_view);
477 typeTextView.setText(getString(R.string.msg_default_type) + ": " +
478 resultHandler.getType().toString());
480 TextView contentsTextView = (TextView) findViewById(R.id.contents_text_view);
481 CharSequence title = getString(resultHandler.getDisplayTitle());
482 SpannableStringBuilder styled = new SpannableStringBuilder(title + "\n\n");
483 styled.setSpan(new UnderlineSpan(), 0, title.length(), 0);
484 CharSequence displayContents = resultHandler.getDisplayContents();
485 styled.append(displayContents);
486 contentsTextView.setText(styled);
488 int buttonCount = resultHandler.getButtonCount();
489 ViewGroup buttonView = (ViewGroup) findViewById(R.id.result_button_view);
490 buttonView.requestFocus();
491 for (int x = 0; x < ResultHandler.MAX_BUTTON_COUNT; x++) {
492 TextView button = (TextView) buttonView.getChildAt(x);
493 if (x < buttonCount) {
494 button.setVisibility(View.VISIBLE);
495 button.setText(resultHandler.getButtonText(x));
496 button.setOnClickListener(new ResultButtonListener(resultHandler, x));
498 button.setVisibility(View.GONE);
502 if (copyToClipboard) {
503 ClipboardManager clipboard = (ClipboardManager) getSystemService(CLIPBOARD_SERVICE);
504 clipboard.setText(displayContents);
508 // Briefly show the contents of the barcode, then handle the result outside Barcode Scanner.
509 private void handleDecodeExternally(Result rawResult, Bitmap barcode) {
510 viewfinderView.drawResultBitmap(barcode);
512 // Since this message will only be shown for a second, just tell the user what kind of
513 // barcode was found (e.g. contact info) rather than the full contents, which they won't
514 // have time to read.
515 ResultHandler resultHandler = ResultHandlerFactory.makeResultHandler(this, rawResult);
516 TextView textView = (TextView) findViewById(R.id.status_text_view);
517 textView.setGravity(Gravity.CENTER);
518 textView.setTextSize(18.0f);
519 textView.setText(getString(resultHandler.getDisplayTitle()));
521 statusView.setBackgroundColor(getResources().getColor(R.color.transparent));
523 if (copyToClipboard) {
524 ClipboardManager clipboard = (ClipboardManager) getSystemService(CLIPBOARD_SERVICE);
525 clipboard.setText(resultHandler.getDisplayContents());
528 if (source == Source.NATIVE_APP_INTENT) {
529 // Hand back whatever action they requested - this can be changed to Intents.Scan.ACTION when
530 // the deprecated intent is retired.
531 Intent intent = new Intent(getIntent().getAction());
532 intent.addFlags(Intent.FLAG_ACTIVITY_CLEAR_WHEN_TASK_RESET);
533 intent.putExtra(Intents.Scan.RESULT, rawResult.toString());
534 intent.putExtra(Intents.Scan.RESULT_FORMAT, rawResult.getBarcodeFormat().toString());
535 Message message = Message.obtain(handler, R.id.return_scan_result);
536 message.obj = intent;
537 handler.sendMessageDelayed(message, INTENT_RESULT_DURATION);
538 } else if (source == Source.PRODUCT_SEARCH_LINK) {
539 // Reformulate the URL which triggered us into a query, so that the request goes to the same
540 // TLD as the scan URL.
541 Message message = Message.obtain(handler, R.id.launch_product_query);
542 int end = sourceUrl.lastIndexOf("/scan");
543 message.obj = sourceUrl.substring(0, end) + "?q=" +
544 resultHandler.getDisplayContents().toString() + "&source=zxing";
545 handler.sendMessageDelayed(message, INTENT_RESULT_DURATION);
550 * We want the help screen to be shown automatically the first time a new version of the app is
551 * run. The easiest way to do this is to check android:versionCode from the manifest, and compare
552 * it to a value stored as a preference.
554 private boolean showHelpOnFirstLaunch() {
556 PackageInfo info = getPackageManager().getPackageInfo(PACKAGE_NAME, 0);
557 int currentVersion = info.versionCode;
558 // Since we're paying to talk to the PackageManager anyway, it makes sense to cache the app
559 // version name here for display in the about box later.
560 this.versionName = info.versionName;
561 SharedPreferences prefs = PreferenceManager.getDefaultSharedPreferences(this);
562 int lastVersion = prefs.getInt(PreferencesActivity.KEY_HELP_VERSION_SHOWN, 0);
563 if (currentVersion > lastVersion) {
564 prefs.edit().putInt(PreferencesActivity.KEY_HELP_VERSION_SHOWN, currentVersion).commit();
565 Intent intent = new Intent(this, HelpActivity.class);
566 intent.addFlags(Intent.FLAG_ACTIVITY_CLEAR_WHEN_TASK_RESET);
567 // Show the default page on a clean install, and the what's new page on an upgrade.
568 String page = (lastVersion == 0) ? HelpActivity.DEFAULT_PAGE : HelpActivity.WHATS_NEW_PAGE;
569 intent.putExtra(HelpActivity.REQUESTED_PAGE_KEY, page);
570 startActivity(intent);
573 } catch (PackageManager.NameNotFoundException e) {
580 * Creates the beep MediaPlayer in advance so that the sound can be triggered with the least
583 private void initBeepSound() {
584 if (playBeep && mediaPlayer == null) {
585 // The volume on STREAM_SYSTEM is not adjustable, and users found it too loud,
586 // so we now play on the music stream.
587 setVolumeControlStream(AudioManager.STREAM_MUSIC);
588 mediaPlayer = new MediaPlayer();
589 mediaPlayer.setAudioStreamType(AudioManager.STREAM_MUSIC);
590 mediaPlayer.setOnCompletionListener(beepListener);
592 AssetFileDescriptor file = getResources().openRawResourceFd(R.raw.beep);
594 mediaPlayer.setDataSource(file.getFileDescriptor(), file.getStartOffset(),
597 mediaPlayer.setVolume(BEEP_VOLUME, BEEP_VOLUME);
598 mediaPlayer.prepare();
599 } catch (IOException e) {
605 private void playBeepSoundAndVibrate() {
606 if (playBeep && mediaPlayer != null) {
610 Vibrator vibrator = (Vibrator) getSystemService(VIBRATOR_SERVICE);
611 vibrator.vibrate(VIBRATE_DURATION);
615 private void initCamera(SurfaceHolder surfaceHolder) {
617 CameraManager.get().openDriver(surfaceHolder);
618 } catch (IOException ioe) {
620 displayFrameworkBugMessageAndExit();
622 } catch (RuntimeException e) {
623 // Barcode Scanner has seen crashes in the wild of this variety:
624 // java.?lang.?RuntimeException: Fail to connect to camera service
625 Log.e(TAG, e.toString());
626 displayFrameworkBugMessageAndExit();
629 if (handler == null) {
630 boolean beginScanning = lastResult == null;
631 handler = new CaptureActivityHandler(this, decodeFormats, characterSet, beginScanning);
635 private void displayFrameworkBugMessageAndExit() {
636 AlertDialog.Builder builder = new AlertDialog.Builder(this);
637 builder.setTitle(getString(R.string.app_name));
638 builder.setMessage(getString(R.string.msg_camera_framework_bug));
639 builder.setPositiveButton(R.string.button_ok, new DialogInterface.OnClickListener() {
640 public void onClick(DialogInterface dialogInterface, int i) {
647 private void resetStatusView() {
648 resultView.setVisibility(View.GONE);
649 statusView.setVisibility(View.VISIBLE);
650 statusView.setBackgroundColor(getResources().getColor(R.color.status_view));
651 viewfinderView.setVisibility(View.VISIBLE);
653 TextView textView = (TextView) findViewById(R.id.status_text_view);
654 textView.setGravity(Gravity.LEFT | Gravity.CENTER_VERTICAL);
655 textView.setTextSize(14.0f);
656 textView.setText(R.string.msg_default_status);
660 public void drawViewfinder() {
661 viewfinderView.drawViewfinder();
665 * When the beep has finished playing, rewind to queue up another one.
667 private static class BeepListener implements OnCompletionListener {
668 public void onCompletion(MediaPlayer mediaPlayer) {
669 mediaPlayer.seekTo(0);