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.text.DateFormat;
70 import java.util.Date;
71 import java.util.Vector;
72 import java.util.regex.Pattern;
75 * The barcode reader activity itself. This is loosely based on the CameraPreview
76 * example included in the Android SDK.
78 * @author dswitkin@google.com (Daniel Switkin)
80 public final class CaptureActivity extends Activity implements SurfaceHolder.Callback {
82 private static final String TAG = "CaptureActivity";
83 private static final Pattern COMMA_PATTERN = Pattern.compile(",");
85 private static final int SHARE_ID = Menu.FIRST;
86 private static final int HISTORY_ID = Menu.FIRST + 1;
87 private static final int SETTINGS_ID = Menu.FIRST + 2;
88 private static final int HELP_ID = Menu.FIRST + 3;
89 private static final int ABOUT_ID = Menu.FIRST + 4;
91 private static final int MAX_RESULT_IMAGE_SIZE = 150;
92 private static final long INTENT_RESULT_DURATION = 1500L;
93 private static final float BEEP_VOLUME = 0.10f;
94 private static final long VIBRATE_DURATION = 200L;
96 private static final String PACKAGE_NAME = "com.google.zxing.client.android";
97 private static final String PRODUCT_SEARCH_URL_PREFIX = "http://www.google";
98 private static final String PRODUCT_SEARCH_URL_SUFFIX = "/m/products/scan";
99 private static final String ZXING_URL = "http://zxing.appspot.com/scan";
101 static final Vector<BarcodeFormat> PRODUCT_FORMATS;
102 static final Vector<BarcodeFormat> ONE_D_FORMATS;
103 static final Vector<BarcodeFormat> QR_CODE_FORMATS;
104 static final Vector<BarcodeFormat> ALL_FORMATS;
107 PRODUCT_FORMATS = new Vector<BarcodeFormat>(5);
108 PRODUCT_FORMATS.add(BarcodeFormat.UPC_A);
109 PRODUCT_FORMATS.add(BarcodeFormat.UPC_E);
110 PRODUCT_FORMATS.add(BarcodeFormat.EAN_13);
111 PRODUCT_FORMATS.add(BarcodeFormat.EAN_8);
112 //PRODUCT_FORMATS.add(BarcodeFormat.RSS14);
113 ONE_D_FORMATS = new Vector<BarcodeFormat>(PRODUCT_FORMATS.size() + 3);
114 ONE_D_FORMATS.addAll(PRODUCT_FORMATS);
115 ONE_D_FORMATS.add(BarcodeFormat.CODE_39);
116 ONE_D_FORMATS.add(BarcodeFormat.CODE_128);
117 ONE_D_FORMATS.add(BarcodeFormat.ITF);
118 QR_CODE_FORMATS = new Vector<BarcodeFormat>(1);
119 QR_CODE_FORMATS.add(BarcodeFormat.QR_CODE);
120 ALL_FORMATS = new Vector<BarcodeFormat>(ONE_D_FORMATS.size() + QR_CODE_FORMATS.size());
121 ALL_FORMATS.addAll(ONE_D_FORMATS);
122 ALL_FORMATS.addAll(QR_CODE_FORMATS);
125 private enum Source {
132 private CaptureActivityHandler handler;
134 private ViewfinderView viewfinderView;
135 private View statusView;
136 private View resultView;
137 private MediaPlayer mediaPlayer;
138 private Result lastResult;
139 private boolean hasSurface;
140 private boolean playBeep;
141 private boolean vibrate;
142 private boolean copyToClipboard;
143 private Source source;
144 private String sourceUrl;
145 private Vector<BarcodeFormat> decodeFormats;
146 private String characterSet;
147 private String versionName;
148 private HistoryManager historyManager;
150 private final OnCompletionListener beepListener = new BeepListener();
152 private final DialogInterface.OnClickListener aboutListener =
153 new DialogInterface.OnClickListener() {
154 public void onClick(DialogInterface dialogInterface, int i) {
155 Intent intent = new Intent(Intent.ACTION_VIEW, Uri.parse(getString(R.string.zxing_url)));
156 intent.addFlags(Intent.FLAG_ACTIVITY_CLEAR_WHEN_TASK_RESET);
157 startActivity(intent);
161 ViewfinderView getViewfinderView() {
162 return viewfinderView;
165 public Handler getHandler() {
170 public void onCreate(Bundle icicle) {
171 super.onCreate(icicle);
173 Window window = getWindow();
174 window.addFlags(WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON);
175 setContentView(R.layout.capture);
177 CameraManager.init(getApplication());
178 viewfinderView = (ViewfinderView) findViewById(R.id.viewfinder_view);
179 resultView = findViewById(R.id.result_view);
180 statusView = findViewById(R.id.status_view);
184 historyManager = new HistoryManager(this);
185 historyManager.trimHistory();
187 showHelpOnFirstLaunch();
191 protected void onResume() {
194 SurfaceView surfaceView = (SurfaceView) findViewById(R.id.preview_view);
195 SurfaceHolder surfaceHolder = surfaceView.getHolder();
197 // The activity was paused but not stopped, so the surface still exists. Therefore
198 // surfaceCreated() won't be called, so init the camera here.
199 initCamera(surfaceHolder);
201 // Install the callback and wait for surfaceCreated() to init the camera.
202 surfaceHolder.addCallback(this);
203 surfaceHolder.setType(SurfaceHolder.SURFACE_TYPE_PUSH_BUFFERS);
206 Intent intent = getIntent();
207 String action = intent == null ? null : intent.getAction();
208 String dataString = intent == null ? null : intent.getDataString();
209 if (intent != null && action != null) {
210 if (action.equals(Intents.Scan.ACTION)) {
211 // Scan the formats the intent requested, and return the result to the calling activity.
212 source = Source.NATIVE_APP_INTENT;
213 decodeFormats = parseDecodeFormats(intent);
215 } else if (dataString != null && dataString.contains(PRODUCT_SEARCH_URL_PREFIX) &&
216 dataString.contains(PRODUCT_SEARCH_URL_SUFFIX)) {
217 // Scan only products and send the result to mobile Product Search.
218 source = Source.PRODUCT_SEARCH_LINK;
219 sourceUrl = dataString;
220 decodeFormats = PRODUCT_FORMATS;
222 } else if (dataString != null && dataString.equals(ZXING_URL)) {
223 // Scan all formats and handle the results ourselves.
224 // TODO: In the future we could allow the hyperlink to include a URL to send the results to.
225 source = Source.ZXING_LINK;
226 sourceUrl = dataString;
227 decodeFormats = null;
230 // Scan all formats and handle the results ourselves (launched from Home).
231 source = Source.NONE;
232 decodeFormats = null;
235 characterSet = intent.getStringExtra(Intents.Scan.CHARACTER_SET);
237 source = Source.NONE;
238 decodeFormats = null;
240 if (lastResult == null) {
245 SharedPreferences prefs = PreferenceManager.getDefaultSharedPreferences(this);
246 playBeep = prefs.getBoolean(PreferencesActivity.KEY_PLAY_BEEP, true);
247 vibrate = prefs.getBoolean(PreferencesActivity.KEY_VIBRATE, false);
248 copyToClipboard = prefs.getBoolean(PreferencesActivity.KEY_COPY_TO_CLIPBOARD, true);
252 private static Vector<BarcodeFormat> parseDecodeFormats(Intent intent) {
253 String scanFormats = intent.getStringExtra(Intents.Scan.SCAN_FORMATS);
254 if (scanFormats != null) {
255 Vector<BarcodeFormat> formats = new Vector<BarcodeFormat>();
257 for (String format : COMMA_PATTERN.split(scanFormats)) {
258 formats.add(BarcodeFormat.valueOf(format));
261 } catch (IllegalArgumentException iae) {
265 String decodeMode = intent.getStringExtra(Intents.Scan.MODE);
266 if (decodeMode != null) {
267 if (Intents.Scan.PRODUCT_MODE.equals(decodeMode)) {
268 return PRODUCT_FORMATS;
270 if (Intents.Scan.QR_CODE_MODE.equals(decodeMode)) {
271 return QR_CODE_FORMATS;
273 if (Intents.Scan.ONE_D_MODE.equals(decodeMode)) {
274 return ONE_D_FORMATS;
281 protected void onPause() {
283 if (handler != null) {
284 handler.quitSynchronously();
287 CameraManager.get().closeDriver();
291 public boolean onKeyDown(int keyCode, KeyEvent event) {
292 if (keyCode == KeyEvent.KEYCODE_BACK) {
293 if (source == Source.NATIVE_APP_INTENT) {
294 setResult(RESULT_CANCELED);
297 } else if ((source == Source.NONE || source == Source.ZXING_LINK) && lastResult != null) {
299 if (handler != null) {
300 handler.sendEmptyMessage(R.id.restart_preview);
304 } else if (keyCode == KeyEvent.KEYCODE_FOCUS || keyCode == KeyEvent.KEYCODE_CAMERA) {
305 // Handle these events so they don't launch the Camera app
308 return super.onKeyDown(keyCode, event);
312 public boolean onCreateOptionsMenu(Menu menu) {
313 super.onCreateOptionsMenu(menu);
314 menu.add(0, SHARE_ID, 0, R.string.menu_share)
315 .setIcon(android.R.drawable.ic_menu_share);
316 menu.add(0, HISTORY_ID, 0, R.string.menu_history)
317 .setIcon(android.R.drawable.ic_menu_recent_history);
318 menu.add(0, SETTINGS_ID, 0, R.string.menu_settings)
319 .setIcon(android.R.drawable.ic_menu_preferences);
320 menu.add(0, HELP_ID, 0, R.string.menu_help)
321 .setIcon(android.R.drawable.ic_menu_help);
322 menu.add(0, ABOUT_ID, 0, R.string.menu_about)
323 .setIcon(android.R.drawable.ic_menu_info_details);
327 // Don't display the share menu item if the result overlay is showing.
329 public boolean onPrepareOptionsMenu(Menu menu) {
330 super.onPrepareOptionsMenu(menu);
331 menu.findItem(SHARE_ID).setVisible(lastResult == null);
336 public boolean onOptionsItemSelected(MenuItem item) {
337 switch (item.getItemId()) {
339 Intent intent = new Intent(Intent.ACTION_VIEW);
340 intent.addFlags(Intent.FLAG_ACTIVITY_CLEAR_WHEN_TASK_RESET);
341 intent.setClassName(this, ShareActivity.class.getName());
342 startActivity(intent);
346 AlertDialog historyAlert = historyManager.buildAlert();
351 Intent intent = new Intent(Intent.ACTION_VIEW);
352 intent.addFlags(Intent.FLAG_ACTIVITY_CLEAR_WHEN_TASK_RESET);
353 intent.setClassName(this, PreferencesActivity.class.getName());
354 startActivity(intent);
358 Intent intent = new Intent(Intent.ACTION_VIEW);
359 intent.addFlags(Intent.FLAG_ACTIVITY_CLEAR_WHEN_TASK_RESET);
360 intent.setClassName(this, HelpActivity.class.getName());
361 startActivity(intent);
365 AlertDialog.Builder builder = new AlertDialog.Builder(this);
366 builder.setTitle(getString(R.string.title_about) + versionName);
367 builder.setMessage(getString(R.string.msg_about) + "\n\n" + getString(R.string.zxing_url));
368 builder.setIcon(R.drawable.zxing_icon);
369 builder.setPositiveButton(R.string.button_open_browser, aboutListener);
370 builder.setNegativeButton(R.string.button_cancel, null);
374 return super.onOptionsItemSelected(item);
378 public void onConfigurationChanged(Configuration config) {
379 // Do nothing, this is to prevent the activity from being restarted when the keyboard opens.
380 super.onConfigurationChanged(config);
383 public void surfaceCreated(SurfaceHolder holder) {
390 public void surfaceDestroyed(SurfaceHolder holder) {
394 public void surfaceChanged(SurfaceHolder holder, int format, int width, int height) {
399 * A valid barcode has been found, so give an indication of success and show the results.
401 * @param rawResult The contents of the barcode.
402 * @param barcode A greyscale bitmap of the camera data which was decoded.
404 public void handleDecode(Result rawResult, Bitmap barcode) {
405 lastResult = rawResult;
406 historyManager.addHistoryItem(rawResult);
407 if (barcode == null) {
408 // This is from history -- no saved barcode
409 handleDecodeInternally(rawResult, null);
411 playBeepSoundAndVibrate();
412 drawResultPoints(barcode, rawResult);
414 case NATIVE_APP_INTENT:
415 case PRODUCT_SEARCH_LINK:
416 handleDecodeExternally(rawResult, barcode);
420 handleDecodeInternally(rawResult, barcode);
427 * Superimpose a line for 1D or dots for 2D to highlight the key features of the barcode.
429 * @param barcode A bitmap of the captured image.
430 * @param rawResult The decoded results which contains the points to draw.
432 private void drawResultPoints(Bitmap barcode, Result rawResult) {
433 ResultPoint[] points = rawResult.getResultPoints();
434 if (points != null && points.length > 0) {
435 Canvas canvas = new Canvas(barcode);
436 Paint paint = new Paint();
437 paint.setColor(getResources().getColor(R.color.result_image_border));
438 paint.setStrokeWidth(3.0f);
439 paint.setStyle(Paint.Style.STROKE);
440 Rect border = new Rect(2, 2, barcode.getWidth() - 2, barcode.getHeight() - 2);
441 canvas.drawRect(border, paint);
443 paint.setColor(getResources().getColor(R.color.result_points));
444 if (points.length == 2) {
445 paint.setStrokeWidth(4.0f);
446 canvas.drawLine(points[0].getX(), points[0].getY(), points[1].getX(),
447 points[1].getY(), paint);
449 paint.setStrokeWidth(10.0f);
450 for (ResultPoint point : points) {
451 canvas.drawPoint(point.getX(), point.getY(), paint);
457 // Put up our own UI for how to handle the decoded contents.
458 private void handleDecodeInternally(Result rawResult, Bitmap barcode) {
459 statusView.setVisibility(View.GONE);
460 viewfinderView.setVisibility(View.GONE);
461 resultView.setVisibility(View.VISIBLE);
463 if (barcode == null) {
464 barcode = ((BitmapDrawable) getResources().getDrawable(R.drawable.unknown_barcode)).getBitmap();
466 ImageView barcodeImageView = (ImageView) findViewById(R.id.barcode_image_view);
467 barcodeImageView.setVisibility(View.VISIBLE);
468 barcodeImageView.setMaxWidth(MAX_RESULT_IMAGE_SIZE);
469 barcodeImageView.setMaxHeight(MAX_RESULT_IMAGE_SIZE);
470 barcodeImageView.setImageBitmap(barcode);
472 TextView formatTextView = (TextView) findViewById(R.id.format_text_view);
473 formatTextView.setVisibility(View.VISIBLE);
474 formatTextView.setText(getString(R.string.msg_default_format) + ": " +
475 rawResult.getBarcodeFormat().toString());
477 ResultHandler resultHandler = ResultHandlerFactory.makeResultHandler(this, rawResult);
478 TextView typeTextView = (TextView) findViewById(R.id.type_text_view);
479 typeTextView.setVisibility(View.VISIBLE);
480 typeTextView.setText(getString(R.string.msg_default_type) + ": " +
481 resultHandler.getType().toString());
483 DateFormat formatter = DateFormat.getDateTimeInstance(DateFormat.SHORT, DateFormat.SHORT);
484 String formattedTime = formatter.format(new Date(rawResult.getTimestamp()));
485 TextView timeTextView = (TextView) findViewById(R.id.time_text_view);
486 timeTextView.setVisibility(View.VISIBLE);
487 timeTextView.setText(getString(R.string.msg_default_time) + ": " + formattedTime);
489 TextView contentsTextView = (TextView) findViewById(R.id.contents_text_view);
490 CharSequence title = getString(resultHandler.getDisplayTitle());
491 SpannableStringBuilder styled = new SpannableStringBuilder(title + "\n\n");
492 styled.setSpan(new UnderlineSpan(), 0, title.length(), 0);
493 CharSequence displayContents = resultHandler.getDisplayContents();
494 styled.append(displayContents);
495 contentsTextView.setText(styled);
497 int buttonCount = resultHandler.getButtonCount();
498 ViewGroup buttonView = (ViewGroup) findViewById(R.id.result_button_view);
499 buttonView.requestFocus();
500 for (int x = 0; x < ResultHandler.MAX_BUTTON_COUNT; x++) {
501 TextView button = (TextView) buttonView.getChildAt(x);
502 if (x < buttonCount) {
503 button.setVisibility(View.VISIBLE);
504 button.setText(resultHandler.getButtonText(x));
505 button.setOnClickListener(new ResultButtonListener(resultHandler, x));
507 button.setVisibility(View.GONE);
511 if (copyToClipboard) {
512 ClipboardManager clipboard = (ClipboardManager) getSystemService(CLIPBOARD_SERVICE);
513 clipboard.setText(displayContents);
517 // Briefly show the contents of the barcode, then handle the result outside Barcode Scanner.
518 private void handleDecodeExternally(Result rawResult, Bitmap barcode) {
519 viewfinderView.drawResultBitmap(barcode);
521 // Since this message will only be shown for a second, just tell the user what kind of
522 // barcode was found (e.g. contact info) rather than the full contents, which they won't
523 // have time to read.
524 ResultHandler resultHandler = ResultHandlerFactory.makeResultHandler(this, rawResult);
525 TextView textView = (TextView) findViewById(R.id.status_text_view);
526 textView.setGravity(Gravity.CENTER);
527 textView.setTextSize(18.0f);
528 textView.setText(getString(resultHandler.getDisplayTitle()));
530 statusView.setBackgroundColor(getResources().getColor(R.color.transparent));
532 if (copyToClipboard) {
533 ClipboardManager clipboard = (ClipboardManager) getSystemService(CLIPBOARD_SERVICE);
534 clipboard.setText(resultHandler.getDisplayContents());
537 if (source == Source.NATIVE_APP_INTENT) {
538 // Hand back whatever action they requested - this can be changed to Intents.Scan.ACTION when
539 // the deprecated intent is retired.
540 Intent intent = new Intent(getIntent().getAction());
541 intent.addFlags(Intent.FLAG_ACTIVITY_CLEAR_WHEN_TASK_RESET);
542 intent.putExtra(Intents.Scan.RESULT, rawResult.toString());
543 intent.putExtra(Intents.Scan.RESULT_FORMAT, rawResult.getBarcodeFormat().toString());
544 Message message = Message.obtain(handler, R.id.return_scan_result);
545 message.obj = intent;
546 handler.sendMessageDelayed(message, INTENT_RESULT_DURATION);
547 } else if (source == Source.PRODUCT_SEARCH_LINK) {
548 // Reformulate the URL which triggered us into a query, so that the request goes to the same
549 // TLD as the scan URL.
550 Message message = Message.obtain(handler, R.id.launch_product_query);
551 int end = sourceUrl.lastIndexOf("/scan");
552 message.obj = sourceUrl.substring(0, end) + "?q=" +
553 resultHandler.getDisplayContents().toString() + "&source=zxing";
554 handler.sendMessageDelayed(message, INTENT_RESULT_DURATION);
559 * We want the help screen to be shown automatically the first time a new version of the app is
560 * run. The easiest way to do this is to check android:versionCode from the manifest, and compare
561 * it to a value stored as a preference.
563 private boolean showHelpOnFirstLaunch() {
565 PackageInfo info = getPackageManager().getPackageInfo(PACKAGE_NAME, 0);
566 int currentVersion = info.versionCode;
567 // Since we're paying to talk to the PackageManager anyway, it makes sense to cache the app
568 // version name here for display in the about box later.
569 this.versionName = info.versionName;
570 SharedPreferences prefs = PreferenceManager.getDefaultSharedPreferences(this);
571 int lastVersion = prefs.getInt(PreferencesActivity.KEY_HELP_VERSION_SHOWN, 0);
572 if (currentVersion > lastVersion) {
573 prefs.edit().putInt(PreferencesActivity.KEY_HELP_VERSION_SHOWN, currentVersion).commit();
574 Intent intent = new Intent(this, HelpActivity.class);
575 intent.addFlags(Intent.FLAG_ACTIVITY_CLEAR_WHEN_TASK_RESET);
576 // Show the default page on a clean install, and the what's new page on an upgrade.
577 String page = (lastVersion == 0) ? HelpActivity.DEFAULT_PAGE : HelpActivity.WHATS_NEW_PAGE;
578 intent.putExtra(HelpActivity.REQUESTED_PAGE_KEY, page);
579 startActivity(intent);
582 } catch (PackageManager.NameNotFoundException e) {
589 * Creates the beep MediaPlayer in advance so that the sound can be triggered with the least
592 private void initBeepSound() {
593 if (playBeep && mediaPlayer == null) {
594 // The volume on STREAM_SYSTEM is not adjustable, and users found it too loud,
595 // so we now play on the music stream.
596 setVolumeControlStream(AudioManager.STREAM_MUSIC);
597 mediaPlayer = new MediaPlayer();
598 mediaPlayer.setAudioStreamType(AudioManager.STREAM_MUSIC);
599 mediaPlayer.setOnCompletionListener(beepListener);
601 AssetFileDescriptor file = getResources().openRawResourceFd(R.raw.beep);
603 mediaPlayer.setDataSource(file.getFileDescriptor(), file.getStartOffset(),
606 mediaPlayer.setVolume(BEEP_VOLUME, BEEP_VOLUME);
607 mediaPlayer.prepare();
608 } catch (IOException e) {
614 private void playBeepSoundAndVibrate() {
615 if (playBeep && mediaPlayer != null) {
619 Vibrator vibrator = (Vibrator) getSystemService(VIBRATOR_SERVICE);
620 vibrator.vibrate(VIBRATE_DURATION);
624 private void initCamera(SurfaceHolder surfaceHolder) {
626 CameraManager.get().openDriver(surfaceHolder);
627 } catch (IOException ioe) {
629 displayFrameworkBugMessageAndExit();
631 } catch (RuntimeException e) {
632 // Barcode Scanner has seen crashes in the wild of this variety:
633 // java.?lang.?RuntimeException: Fail to connect to camera service
634 Log.e(TAG, e.toString());
635 displayFrameworkBugMessageAndExit();
638 if (handler == null) {
639 boolean beginScanning = lastResult == null;
640 handler = new CaptureActivityHandler(this, decodeFormats, characterSet, beginScanning);
644 private void displayFrameworkBugMessageAndExit() {
645 AlertDialog.Builder builder = new AlertDialog.Builder(this);
646 builder.setTitle(getString(R.string.app_name));
647 builder.setMessage(getString(R.string.msg_camera_framework_bug));
648 builder.setPositiveButton(R.string.button_ok, new DialogInterface.OnClickListener() {
649 public void onClick(DialogInterface dialogInterface, int i) {
656 private void resetStatusView() {
657 resultView.setVisibility(View.GONE);
658 statusView.setVisibility(View.VISIBLE);
659 statusView.setBackgroundColor(getResources().getColor(R.color.status_view));
660 viewfinderView.setVisibility(View.VISIBLE);
662 TextView textView = (TextView) findViewById(R.id.status_text_view);
663 textView.setGravity(Gravity.LEFT | Gravity.CENTER_VERTICAL);
664 textView.setTextSize(14.0f);
665 textView.setText(R.string.msg_default_status);
669 public void drawViewfinder() {
670 viewfinderView.drawViewfinder();
674 * When the beep has finished playing, rewind to queue up another one.
676 private static class BeepListener implements OnCompletionListener {
677 public void onCompletion(MediaPlayer mediaPlayer) {
678 mediaPlayer.seekTo(0);