/*
* Copyright (C) 2008 ZXing authors
*
* 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.sjriley.zappit;
import com.google.zxing.BarcodeFormat;
import com.google.zxing.Result;
import com.google.zxing.ResultMetadataType;
import com.google.zxing.ResultPoint;
import com.sjriley.zappit.camera.CameraManager;
import com.sjriley.zappit.history.HistoryManager;
import com.sjriley.zappit.models.CampaignModel;
import com.sjriley.zappit.models.CodeCheckModel;
import com.sjriley.zappit.models.LoginModel;
import com.sjriley.zappit.result.ResultButtonListener;
import com.sjriley.zappit.result.ResultHandler;
import com.sjriley.zappit.result.ResultHandlerFactory;
import com.sjriley.zappit.services.CampaignService;
import com.sjriley.zappit.services.LocationService;
import com.sjriley.zappit.services.UploadService;
import com.sjriley.zappit.share.ShareActivity;
import com.sjriley.zappit.utils.ConnectionUtils;
import com.sjriley.zappit.vo.Campaign;
import com.sjriley.zappit.vo.CodeCheckResponse;
import android.app.Activity;
import android.app.AlertDialog;
import android.app.ProgressDialog;
import android.content.ActivityNotFoundException;
import android.content.BroadcastReceiver;
import android.content.Context;
import android.content.DialogInterface;
import android.content.Intent;
import android.content.IntentFilter;
import android.content.SharedPreferences;
import android.content.pm.PackageInfo;
import android.content.pm.PackageManager;
import android.content.res.AssetFileDescriptor;
import android.content.res.Configuration;
import android.graphics.Bitmap;
import android.graphics.BitmapFactory;
import android.graphics.Canvas;
import android.graphics.Paint;
import android.graphics.Rect;
import android.location.Location;
import android.location.LocationListener;
import android.location.LocationManager;
import android.media.AudioManager;
import android.media.MediaPlayer;
import android.media.MediaPlayer.OnCompletionListener;
import android.net.ConnectivityManager;
import android.net.Uri;
import android.os.Bundle;
import android.os.Handler;
import android.os.Message;
import android.os.Vibrator;
import android.preference.Preference;
import android.preference.PreferenceManager;
import android.text.ClipboardManager;
import android.util.Log;
import android.util.TypedValue;
import android.view.KeyEvent;
import android.view.Menu;
import android.view.MenuItem;
import android.view.SurfaceHolder;
import android.view.SurfaceView;
import android.view.View;
import android.view.ViewGroup;
import android.view.Window;
import android.view.WindowManager;
import android.view.View.OnClickListener;
import android.widget.Button;
import android.widget.EditText;
import android.widget.ImageView;
import android.widget.LinearLayout;
import android.widget.RelativeLayout;
import android.widget.TextView;
import android.widget.Toast;
import android.widget.LinearLayout.LayoutParams;
import java.io.BufferedReader;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.FileReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.io.Reader;
import java.text.DateFormat;
import java.util.Date;
import java.util.HashSet;
import java.util.Map;
import java.util.Set;
import java.util.Vector;
/**
* The barcode reader activity itself. This is loosely based on the CameraPreview
* example included in the Android SDK.
*
* @author dswitkin@google.com (Daniel Switkin)
* @author Sean Owen
*/
public final class CaptureActivity extends Activity implements SurfaceHolder.Callback {
private static final String TAG = CaptureActivity.class.getSimpleName();
private static float SCALE;
private static final int SHARE_ID = Menu.FIRST;
private static final int HISTORY_ID = Menu.FIRST + 1;
private static final int SETTINGS_ID = Menu.FIRST + 2;
private static final int HELP_ID = Menu.FIRST + 3;
private static final int ABOUT_ID = Menu.FIRST + 4;
private static final long INTENT_RESULT_DURATION = 1500L;
private static final long BULK_MODE_SCAN_DELAY_MS = 1000L;
private static final float BEEP_VOLUME = 0.10f;
private static final long VIBRATE_DURATION = 200L;
private static final String PACKAGE_NAME = "com.sjriley.zappit";
// private static final String PRODUCT_SEARCH_URL_PREFIX = "http://www.google";
// private static final String PRODUCT_SEARCH_URL_SUFFIX = "/m/products/scan";
private static final String ZXING_URL = "http://zxing.appspot.com/scan";
private static final String RETURN_CODE_PLACEHOLDER = "{CODE}";
private static final String RETURN_URL_PARAM = "ret";
private static final Set<ResultMetadataType> DISPLAYABLE_METADATA_TYPES;
static {
DISPLAYABLE_METADATA_TYPES = new HashSet<ResultMetadataType>(5);
DISPLAYABLE_METADATA_TYPES.add(ResultMetadataType.ISSUE_NUMBER);
DISPLAYABLE_METADATA_TYPES.add(ResultMetadataType.SUGGESTED_PRICE);
DISPLAYABLE_METADATA_TYPES.add(ResultMetadataType.ERROR_CORRECTION_LEVEL);
DISPLAYABLE_METADATA_TYPES.add(ResultMetadataType.POSSIBLE_COUNTRY);
}
private enum Source {
NATIVE_APP_INTENT,
PRODUCT_SEARCH_LINK,
ZXING_LINK,
NONE
}
private CharSequence currentCode;
private CodeCheckResponse response;
private final Handler httpHandler = new Handler();
final Runnable codeCheckReturned = new Runnable() {
public void run() {
handleCodeCheckResponse();
}
};
private CaptureActivityHandler handler;
private ProgressDialog progressDialog;
private ViewfinderView viewfinderView;
private TextView statusView;
private LinearLayout resultView;
private MediaPlayer mediaPlayer;
private Result lastResult;
private boolean hasSurface;
private boolean playBeep;
private boolean vibrate;
private boolean copyToClipboard;
private Source source;
private String sourceUrl;
private String returnUrlTemplate;
private Vector<BarcodeFormat> decodeFormats;
private String characterSet;
private String versionName;
private HistoryManager historyManager;
private InactivityTimer inactivityTimer;
private String userId;
private Button zapAgainButton;
private TextView name;
private TextView codeSavedTextView;
private TextView codeZappedHeaderTextView;
private TextView codeDescriptionTextView;
private TextView codeNameTextView;
private EditText codeSavedEditText;
private BroadcastReceiver receiver;
/**
* When the beep has finished playing, rewind to queue up another one.
*/
private final OnCompletionListener beepListener = new OnCompletionListener() {
public void onCompletion(MediaPlayer mediaPlayer) {
mediaPlayer.seekTo(0);
}
};
private final DialogInterface.OnClickListener aboutListener =
new DialogInterface.OnClickListener() {
public void onClick(DialogInterface dialogInterface, int i) {
Intent intent = new Intent(Intent.ACTION_VIEW, Uri.parse(getString(R.string.zxing_url)));
intent.addFlags(Intent.FLAG_ACTIVITY_CLEAR_WHEN_TASK_RESET);
startActivity(intent);
}
};
ViewfinderView getViewfinderView() {
return viewfinderView;
}
public Handler getHandler() {
return handler;
}
@Override
public void onCreate(Bundle icicle) {
super.onCreate(icicle);
SCALE = this.getResources().getDisplayMetrics().density;
Window window = getWindow();
window.addFlags(WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON);
setContentView(R.layout.capture);
CameraManager.init(getApplication());
viewfinderView = (ViewfinderView) findViewById(R.id.viewfinder_view);
resultView = (LinearLayout)findViewById(R.id.result_view);
statusView = (TextView) findViewById(R.id.status_view);
zapAgainButton = (Button) findViewById(R.id.zapAgainButton);
codeSavedTextView = (TextView)findViewById(R.id.code_saved_text_view);
codeSavedEditText= (EditText) findViewById(R.id.contents_edit_text);
codeZappedHeaderTextView = (TextView)findViewById(R.id.code_zapped_header_text_view);
codeDescriptionTextView = (TextView)findViewById(R.id.code_description_text_view);
codeNameTextView = (TextView)findViewById(R.id.code_name_text_view);
handler = null;
lastResult = null;
hasSurface = false;
historyManager = new HistoryManager(this);
historyManager.trimHistory();
//inactivityTimer = new InactivityTimer(this);
zapAgainButton.setOnClickListener(new OnClickListener()
{
@Override
public void onClick(View arg0) {
onPause();
onResume();
}
});
IntentFilter intentFilter = new IntentFilter();
intentFilter.addAction("com.sjriley.zappit.ACTION_LOGOUT");
receiver = new BroadcastReceiver()
{
@Override
public void onReceive(Context context, Intent intent) {
Log.d("CaptureActivity","Logout in progress");
startSplash();
finish();
}
};
registerReceiver(receiver, intentFilter);
//start listening for location
Log.d(TAG,"Location service started");
startService(new Intent(this,LocationService.class));
Log.d(TAG,"Campaign service started");
startService(new Intent(this,CampaignService.class));
//showHelpOnFirstLaunch();
}
private void startSplash() {
Intent splashIntent = new Intent(this, SplashActivity.class);
startActivity(splashIntent);
}
@Override
protected void onResume() {
super.onResume();
name = (TextView)findViewById(R.id.name);
try {
SharedPreferences preferences = getSharedPreferences(PreferencesActivity.DEFAULT_PREFERECES, 0);
String nameString = preferences.getString(PreferencesActivity.USER_NAME, "");
userId = preferences.getString(PreferencesActivity.USER_ID, "");
name.setText(nameString);
}
//If first ever time, there will be no user id
catch (Exception e) {
e.printStackTrace();
}
logIn();
resetStatusView();
SurfaceView surfaceView = (SurfaceView) findViewById(R.id.preview_view);
SurfaceHolder surfaceHolder = surfaceView.getHolder();
if (hasSurface) {
// The activity was paused but not stopped, so the surface still exists. Therefore
// surfaceCreated() won't be called, so init the camera here.
initCamera(surfaceHolder);
} else {
// Install the callback and wait for surfaceCreated() to init the camera.
surfaceHolder.addCallback(this);
surfaceHolder.setType(SurfaceHolder.SURFACE_TYPE_PUSH_BUFFERS);
}
Intent intent = getIntent();
String action = intent == null ? null : intent.getAction();
String dataString = intent == null ? null : intent.getDataString();
if (intent != null && action != null) {
if (action.equals(Intents.Scan.ACTION)) {
// Scan the formats the intent requested, and return the result to the calling activity.
source = Source.NATIVE_APP_INTENT;
decodeFormats = DecodeFormatManager.parseDecodeFormats(intent);
}
else {
// Scan all formats and handle the results ourselves (launched from Home).
source = Source.NONE;
decodeFormats = null;
}
characterSet = intent.getStringExtra(Intents.Scan.CHARACTER_SET);
} else {
source = Source.NONE;
decodeFormats = null;
characterSet = null;
}
SharedPreferences prefs = PreferenceManager.getDefaultSharedPreferences(this);
playBeep = prefs.getBoolean(PreferencesActivity.KEY_PLAY_BEEP, true);
if (playBeep) {
// See if sound settings overrides this
AudioManager audioService = (AudioManager) getSystemService(AUDIO_SERVICE);
if (audioService.getRingerMode() != AudioManager.RINGER_MODE_NORMAL) {
playBeep = false;
}
}
vibrate = prefs.getBoolean(PreferencesActivity.KEY_VIBRATE, true);
copyToClipboard = prefs.getBoolean(PreferencesActivity.KEY_COPY_TO_CLIPBOARD, true);
initBeepSound();
}
@Override
protected void onPause() {
super.onPause();
if (handler != null) {
handler.quitSynchronously();
handler = null;
}
CameraManager.get().closeDriver();
}
@Override
protected void onDestroy() {
// inactivityTimer.shutdown();
super.onDestroy();
unregisterReceiver(receiver);
}
@Override
public boolean onKeyDown(int keyCode, KeyEvent event) {
if (keyCode == KeyEvent.KEYCODE_BACK) {
if (source == Source.NATIVE_APP_INTENT) {
setResult(RESULT_CANCELED);
finish();
return true;
} else if ((source == Source.NONE || source == Source.ZXING_LINK) && lastResult != null) {
resetStatusView();
if (handler != null) {
handler.sendEmptyMessage(R.id.restart_preview);
}
return true;
}
} else if (keyCode == KeyEvent.KEYCODE_FOCUS || keyCode == KeyEvent.KEYCODE_CAMERA) {
// Handle these events so they don't launch the Camera app
return true;
}
return super.onKeyDown(keyCode, event);
}
@Override
public boolean onCreateOptionsMenu(Menu menu) {
super.onCreateOptionsMenu(menu);
// menu.add(0, SHARE_ID, 0, R.string.menu_share)
// .setIcon(android.R.drawable.ic_menu_share);
menu.add(0, HISTORY_ID, 0, R.string.menu_history)
.setIcon(android.R.drawable.ic_menu_recent_history);
menu.add(0, SETTINGS_ID, 0, R.string.menu_settings)
.setIcon(android.R.drawable.ic_menu_preferences);
// menu.add(0, HELP_ID, 0, R.string.menu_help)
// .setIcon(android.R.drawable.ic_menu_help);
// menu.add(0, ABOUT_ID, 0, R.string.menu_about)
// .setIcon(android.R.drawable.ic_menu_info_details);
return true;
}
// Don't display the share menu item if the result overlay is showing.
@Override
public boolean onPrepareOptionsMenu(Menu menu) {
super.onPrepareOptionsMenu(menu);
// menu.findItem(SHARE_ID).setVisible(lastResult == null);
return true;
}
@Override
public boolean onOptionsItemSelected(MenuItem item) {
switch (item.getItemId()) {
// case SHARE_ID: {
// Intent intent = new Intent(Intent.ACTION_VIEW);
// intent.addFlags(Intent.FLAG_ACTIVITY_CLEAR_WHEN_TASK_RESET);
// intent.setClassName(this, ShareActivity.class.getName());
// startActivity(intent);
// break;
// }
case HISTORY_ID: {
AlertDialog historyAlert = historyManager.buildAlert();
historyAlert.show();
break;
}
case SETTINGS_ID: {
Intent intent = new Intent(Intent.ACTION_VIEW);
intent.addFlags(Intent.FLAG_ACTIVITY_CLEAR_WHEN_TASK_RESET);
intent.setClassName(this, PreferencesActivity.class.getName());
startActivity(intent);
break;
}
// case HELP_ID: {
// Intent intent = new Intent(Intent.ACTION_VIEW);
// intent.addFlags(Intent.FLAG_ACTIVITY_CLEAR_WHEN_TASK_RESET);
// intent.setClassName(this, HelpActivity.class.getName());
// startActivity(intent);
// break;
// }
// case ABOUT_ID:
// AlertDialog.Builder builder = new AlertDialog.Builder(this);
// builder.setTitle(getString(R.string.title_about) + versionName);
// builder.setMessage(getString(R.string.msg_about) + "\n\n" + getString(R.string.zxing_url));
// builder.setIcon(R.drawable.launcher_icon);
// builder.setPositiveButton(R.string.button_open_browser, aboutListener);
// builder.setNegativeButton(R.string.button_cancel, null);
// builder.show();
// break;
}
return super.onOptionsItemSelected(item);
}
@Override
public void onConfigurationChanged(Configuration config) {
// Do nothing, this is to prevent the activity from being restarted when the keyboard opens.
super.onConfigurationChanged(config);
}
public void surfaceCreated(SurfaceHolder holder) {
if (!hasSurface) {
hasSurface = true;
initCamera(holder);
}
}
public void surfaceDestroyed(SurfaceHolder holder) {
hasSurface = false;
}
public void surfaceChanged(SurfaceHolder holder, int format, int width, int height) {
}
private void logout() {
SharedPreferences prefs = getSharedPreferences(PreferencesActivity.DEFAULT_PREFERECES, 0);
SharedPreferences.Editor editor = prefs.edit();
editor.putString(PreferencesActivity.USER_ID, "");
editor.putString(PreferencesActivity.USER_NAME, "");
editor.putString(PreferencesActivity.EMAIL, "");
editor.commit();
Intent broadcastIntent = new Intent();
broadcastIntent.setAction("com.sjriley.zappit.ACTION_LOGOUT");
sendBroadcast(broadcastIntent);
//Intent intent = new Intent(this, SplashActivity.class);
//startActivity(intent);
}
/**
* A valid barcode has been found, so give an indication of success and show the results.
*
* @param rawResult The contents of the barcode.
* @param barcode A greyscale bitmap of the camera data which was decoded.
*/
public void handleDecode(Result rawResult, Bitmap barcode) {
// inactivityTimer.onActivity();
lastResult = rawResult;
historyManager.addHistoryItem(rawResult);
if (barcode == null) {
// This is from history -- no saved barcode
handleDecodeInternally(rawResult, null);
} else {
playBeepSoundAndVibrate();
drawResultPoints(barcode, rawResult);
switch (source) {
case NATIVE_APP_INTENT:
case PRODUCT_SEARCH_LINK:
handleDecodeExternally(rawResult, barcode);
break;
case ZXING_LINK:
if (returnUrlTemplate == null){
handleDecodeInternally(rawResult, barcode);
} else {
handleDecodeExternally(rawResult, barcode);
}
break;
case NONE:
SharedPreferences prefs = PreferenceManager.getDefaultSharedPreferences(this);
if (prefs.getBoolean(PreferencesActivity.KEY_BULK_MODE, false)) {
Toast.makeText(this, R.string.msg_bulk_mode_scanned, Toast.LENGTH_SHORT).show();
// Wait a moment or else it will scan the same barcode continuously about 3 times
if (handler != null) {
handler.sendEmptyMessageDelayed(R.id.restart_preview, BULK_MODE_SCAN_DELAY_MS);
}
resetStatusView();
} else {
handleDecodeInternally(rawResult, barcode);
}
break;
}
}
}
/**
* Superimpose a line for 1D or dots for 2D to highlight the key features of the barcode.
*
* @param barcode A bitmap of the captured image.
* @param rawResult The decoded results which contains the points to draw.
*/
private void drawResultPoints(Bitmap barcode, Result rawResult) {
ResultPoint[] points = rawResult.getResultPoints();
if (points != null && points.length > 0) {
Canvas canvas = new Canvas(barcode);
Paint paint = new Paint();
paint.setColor(getResources().getColor(R.color.result_image_border));
paint.setStrokeWidth(3.0f);
paint.setStyle(Paint.Style.STROKE);
Rect border = new Rect(2, 2, barcode.getWidth() - 2, barcode.getHeight() - 2);
canvas.drawRect(border, paint);
paint.setColor(getResources().getColor(R.color.result_points));
if (points.length == 2) {
paint.setStrokeWidth(4.0f);
drawLine(canvas, paint, points[0], points[1]);
} else if (points.length == 4 &&
(rawResult.getBarcodeFormat().equals(BarcodeFormat.UPC_A)) ||
(rawResult.getBarcodeFormat().equals(BarcodeFormat.EAN_13))) {
// Hacky special case -- draw two lines, for the barcode and metadata
drawLine(canvas, paint, points[0], points[1]);
drawLine(canvas, paint, points[2], points[3]);
} else {
paint.setStrokeWidth(10.0f);
for (ResultPoint point : points) {
canvas.drawPoint(point.getX(), point.getY(), paint);
}
}
}
}
private static void drawLine(Canvas canvas, Paint paint, ResultPoint a, ResultPoint b) {
canvas.drawLine(a.getX(), a.getY(), b.getX(), b.getY(), paint);
}
// Put up our own UI for how to handle the decoded contents.
private void handleDecodeInternally(Result rawResult, Bitmap barcode) {
viewfinderView.setVisibility(View.GONE);
resultView.setVisibility(View.VISIBLE);
Log.d(TAG, "Beginning result:");
Log.d(TAG, rawResult.toString());
ResultHandler resultHandler = ResultHandlerFactory.makeResultHandler(this, rawResult);
currentCode = resultHandler.getDisplayContents();
codeSavedEditText.setText(currentCode);
if (ConnectionUtils.isConnected(this)) {
progressDialog = ProgressDialog.show(this, "Please wait..", "Sending code. This can take up to 15 seconds", true,
false);
uploadCode();
}
else {
if (saveOfflineCode() == true) {
CampaignModel model = new CampaignModel(this);
Campaign campaign = model.getCampaign(this, currentCode.toString());
if(campaign != null) {
Log.d(TAG, "Retrieved the following campaign:" + campaign.getId() + campaign.getDescription());
String offerText = campaign.getName().replace("£", "£") + " - " + campaign.getDescription().replace("£", "£");
if (offerText.length() > 73) {
offerText = offerText.substring(0, 73) + "...";
}
codeDescriptionTextView.setText(offerText);
codeDescriptionTextView.setVisibility(View.VISIBLE);
RelativeLayout.LayoutParams resultLayout = (RelativeLayout.LayoutParams)resultView.getLayoutParams();
resultLayout.height = (int)(200 * SCALE);
resultView.setLayoutParams(resultLayout);
}
else {
Log.d(TAG, "No campaign found, displaying default message");
}
codeZappedHeaderTextView.setText("Zap Saved");
codeSavedTextView.setVisibility(View.VISIBLE);
codeSavedEditText.setVisibility(View.GONE);
}
}
}
private void uploadCode() {
Thread t = new Thread() {
public void run() {
synchronized (this)
{
try {
this.wait(1);
}
catch (InterruptedException e) {
e.printStackTrace();
}
runUploadCode();
}
}
};
t.start();
}
private void runUploadCode() {
CodeCheckModel model = new CodeCheckModel(this);
response = model.checkCode(userId, currentCode.toString());
httpHandler.post(codeCheckReturned);
}
private void handleCodeCheckResponse(){
progressDialog.dismiss();
if (response.getStatus() == -10) {
if (saveOfflineCode() == true) {
Toast.makeText(this, "Code saved. This will be uploaded when you are next online", Toast.LENGTH_LONG).show();
}
}
else if(response.getStatus() == 0) {
Toast toast = Toast.makeText(this, response.getMessage(), Toast.LENGTH_LONG);
toast.show();
}
else {
if(response.getLink() != null && response.getLink().contains("http")) {
try {
Intent intent = new Intent(Intent.ACTION_VIEW, Uri.parse(response.getLink()));
startActivity(intent);
}
catch (Exception e){
e.printStackTrace();
Intent intent = new Intent(this, CongratulationsActivity.class);
intent.putExtra(PreferencesActivity.LINK, response.getLink());
intent.putExtra(PreferencesActivity.MESSAGE, response.getMessage());
startActivity(intent);
}
}
else {
Intent intent = new Intent(this, CongratulationsActivity.class);
intent.putExtra(PreferencesActivity.LINK, response.getLink());
intent.putExtra(PreferencesActivity.MESSAGE, response.getMessage());
startActivity(intent);
}
}
}
// Briefly show the contents of the barcode, then handle the result outside Barcode Scanner.
private void handleDecodeExternally(Result rawResult, Bitmap barcode) {
viewfinderView.drawResultBitmap(barcode);
// Since this message will only be shown for a second, just tell the user what kind of
// barcode was found (e.g. contact info) rather than the full contents, which they won't
// have time to read.
ResultHandler resultHandler = ResultHandlerFactory.makeResultHandler(this, rawResult);
statusView.setText(getString(resultHandler.getDisplayTitle()));
if (copyToClipboard) {
ClipboardManager clipboard = (ClipboardManager) getSystemService(CLIPBOARD_SERVICE);
clipboard.setText(resultHandler.getDisplayContents());
}
if (source == Source.NATIVE_APP_INTENT) {
// Hand back whatever action they requested - this can be changed to Intents.Scan.ACTION when
// the deprecated intent is retired.
Intent intent = new Intent(getIntent().getAction());
intent.addFlags(Intent.FLAG_ACTIVITY_CLEAR_WHEN_TASK_RESET);
intent.putExtra(Intents.Scan.RESULT, rawResult.toString());
intent.putExtra(Intents.Scan.RESULT_FORMAT, rawResult.getBarcodeFormat().toString());
Message message = Message.obtain(handler, R.id.return_scan_result);
message.obj = intent;
handler.sendMessageDelayed(message, INTENT_RESULT_DURATION);
} else if (source == Source.PRODUCT_SEARCH_LINK) {
// Reformulate the URL which triggered us into a query, so that the request goes to the same
// TLD as the scan URL.
Message message = Message.obtain(handler, R.id.launch_product_query);
int end = sourceUrl.lastIndexOf("/scan");
message.obj = sourceUrl.substring(0, end) + "?q=" +
resultHandler.getDisplayContents().toString() + "&source=zxing";
handler.sendMessageDelayed(message, INTENT_RESULT_DURATION);
} else if (source == Source.ZXING_LINK) {
// Replace each occurrence of RETURN_CODE_PLACEHOLDER in the returnUrlTemplate
// with the scanned code. This allows both queries and REST-style URLs to work.
Message message = Message.obtain(handler, R.id.launch_product_query);
message.obj = returnUrlTemplate.replace(RETURN_CODE_PLACEHOLDER,
resultHandler.getDisplayContents().toString());
handler.sendMessageDelayed(message, INTENT_RESULT_DURATION);
}
}
private boolean logIn() {
SharedPreferences prefs = getSharedPreferences(PreferencesActivity.DEFAULT_PREFERECES, 0);
String userId = prefs.getString(PreferencesActivity.USER_ID, "");
Log.d(TAG, "userId:" + userId);
if (userId.equals("")) {
Intent intent = new Intent(this, SplashActivity.class);
intent.addFlags(Intent.FLAG_ACTIVITY_CLEAR_WHEN_TASK_RESET);
// Show the default page on a clean install, and the what's new page on an upgrade.
startActivity(intent);
finish();
return true;
}
return false;
}
/**
* We want the help screen to be shown automatically the first time a new version of the app is
* run. The easiest way to do this is to check android:versionCode from the manifest, and compare
* it to a value stored as a preference.
*/
private boolean showHelpOnFirstLaunch() {
try {
PackageInfo info = getPackageManager().getPackageInfo(PACKAGE_NAME, 0);
int currentVersion = info.versionCode;
// Since we're paying to talk to the PackageManager anyway, it makes sense to cache the app
// version name here for display in the about box later.
this.versionName = info.versionName;
SharedPreferences prefs = PreferenceManager.getDefaultSharedPreferences(this);
int lastVersion = prefs.getInt(PreferencesActivity.KEY_HELP_VERSION_SHOWN, 0);
if (currentVersion > lastVersion) {
prefs.edit().putInt(PreferencesActivity.KEY_HELP_VERSION_SHOWN, currentVersion).commit();
Intent intent = new Intent(this, HelpActivity.class);
intent.addFlags(Intent.FLAG_ACTIVITY_CLEAR_WHEN_TASK_RESET);
// Show the default page on a clean install, and the what's new page on an upgrade.
String page = (lastVersion == 0) ? HelpActivity.DEFAULT_PAGE : HelpActivity.WHATS_NEW_PAGE;
intent.putExtra(HelpActivity.REQUESTED_PAGE_KEY, page);
startActivity(intent);
return true;
}
} catch (PackageManager.NameNotFoundException e) {
Log.w(TAG, e);
}
catch (Exception e){
Log.e(TAG,e.toString());
}
return false;
}
/**
* Creates the beep MediaPlayer in advance so that the sound can be triggered with the least
* latency possible.
*/
private void initBeepSound() {
if (playBeep && mediaPlayer == null) {
// The volume on STREAM_SYSTEM is not adjustable, and users found it too loud,
// so we now play on the music stream.
setVolumeControlStream(AudioManager.STREAM_MUSIC);
mediaPlayer = new MediaPlayer();
mediaPlayer.setAudioStreamType(AudioManager.STREAM_MUSIC);
mediaPlayer.setOnCompletionListener(beepListener);
AssetFileDescriptor file = getResources().openRawResourceFd(R.raw.beep);
try {
mediaPlayer.setDataSource(file.getFileDescriptor(), file.getStartOffset(),
file.getLength());
file.close();
mediaPlayer.setVolume(BEEP_VOLUME, BEEP_VOLUME);
mediaPlayer.prepare();
} catch (IOException e) {
mediaPlayer = null;
}
}
}
private void playBeepSoundAndVibrate() {
if (playBeep && mediaPlayer != null) {
mediaPlayer.start();
}
if (vibrate) {
Vibrator vibrator = (Vibrator) getSystemService(VIBRATOR_SERVICE);
vibrator.vibrate(VIBRATE_DURATION);
}
}
private void initCamera(SurfaceHolder surfaceHolder) {
try {
CameraManager.get().openDriver(surfaceHolder);
} catch (IOException ioe) {
Log.w(TAG, ioe);
displayFrameworkBugMessageAndExit();
return;
} catch (RuntimeException e) {
// Barcode Scanner has seen crashes in the wild of this variety:
// java.?lang.?RuntimeException: Fail to connect to camera service
Log.w(TAG, "Unexpected error initializating camera", e);
displayFrameworkBugMessageAndExit();
return;
}
if (handler == null) {
handler = new CaptureActivityHandler(this, decodeFormats, characterSet);
}
}
private void displayFrameworkBugMessageAndExit() {
AlertDialog.Builder builder = new AlertDialog.Builder(this);
builder.setTitle(getString(R.string.app_name));
builder.setMessage(getString(R.string.msg_camera_framework_bug));
builder.setPositiveButton(R.string.button_ok, new FinishListener(this));
builder.setOnCancelListener(new FinishListener(this));
builder.show();
}
private void resetStatusView() {
codeSavedEditText.setVisibility(View.VISIBLE);
codeSavedTextView.setVisibility(View.GONE);
codeDescriptionTextView.setText("");
codeDescriptionTextView.setVisibility(View.GONE);
codeNameTextView.setText("");
codeNameTextView.setVisibility(View.GONE);
codeZappedHeaderTextView.setText(R.string.codeZapped);
resultView.setVisibility(View.GONE);
RelativeLayout.LayoutParams resultLayout = (RelativeLayout.LayoutParams)resultView.getLayoutParams();
Log.d(TAG, "SCALE = " + SCALE);
resultLayout.height = (int)(170 * SCALE);
resultView.setLayoutParams(resultLayout);
statusView.setText(R.string.msg_default_status);
statusView.setVisibility(View.VISIBLE);
viewfinderView.setVisibility(View.VISIBLE);
lastResult = null;
}
public void drawViewfinder() {
viewfinderView.drawViewfinder();
}
private boolean saveOfflineCode() {
FileOutputStream fos;
try {
Log.d(TAG,"saving code offline: " + currentCode);
fos = openFileOutput(PreferencesActivity.OFFLINE_CODES_FILE, Context.MODE_APPEND);
fos.write(("\n" + currentCode).getBytes());
fos.close();
startService(new Intent(this, UploadService.class));
return true;
}
catch (Exception e){
Toast toast = Toast.makeText(this, "Could not save offline code", Toast.LENGTH_LONG);
Log.e(TAG, "could not upload offline codes", e);
return false;
}
}
}