package com.google.zxing.client.android;
+import com.google.zxing.Result;
+import com.google.zxing.ResultPoint;
+import com.google.zxing.client.android.result.ResultButtonListener;
+import com.google.zxing.client.android.result.ResultHandler;
+import com.google.zxing.client.android.result.ResultHandlerFactory;
+
import android.app.Activity;
import android.app.AlertDialog;
import android.content.DialogInterface;
import android.widget.Button;
import android.widget.ImageView;
import android.widget.TextView;
-import com.google.zxing.Result;
-import com.google.zxing.ResultPoint;
-import com.google.zxing.client.android.result.ResultButtonListener;
-import com.google.zxing.client.android.result.ResultHandler;
-import com.google.zxing.client.android.result.ResultHandlerFactory;
import java.io.IOException;
/**
* The barcode reader activity itself. This is loosely based on the CameraPreview
* example included in the Android SDK.
+ *
+ * @author dswitkin@google.com (Daniel Switkin)
*/
public final class CaptureActivity extends Activity implements SurfaceHolder.Callback {
-
private static final String TAG = "CaptureActivity";
private static final int SHARE_ID = Menu.FIRST;
NONE
}
- public CaptureActivityHandler mHandler;
-
- private ViewfinderView mViewfinderView;
- private View mStatusView;
- private View mResultView;
- private MediaPlayer mMediaPlayer;
- private Result mLastResult;
- private boolean mHasSurface;
- private boolean mPlayBeep;
- private boolean mVibrate;
- private boolean mCopyToClipboard;
- private Source mSource;
- private String mSourceUrl;
- private String mDecodeMode;
- private String mVersionName;
-
- private final OnCompletionListener mBeepListener = new BeepListener();
+ public CaptureActivityHandler handler;
+
+ private ViewfinderView viewfinderView;
+ private View statusView;
+ private View 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 decodeMode;
+ private String versionName;
+
+ private final OnCompletionListener beepListener = new BeepListener();
+
+ 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)));
+ startActivity(intent);
+ }
+ };
@Override
public void onCreate(Bundle icicle) {
setContentView(R.layout.capture);
CameraManager.init(getApplication());
- mViewfinderView = (ViewfinderView) findViewById(R.id.viewfinder_view);
- mResultView = findViewById(R.id.result_view);
- mStatusView = findViewById(R.id.status_view);
- mHandler = null;
- mLastResult = null;
- mHasSurface = false;
+ viewfinderView = (ViewfinderView) findViewById(R.id.viewfinder_view);
+ resultView = findViewById(R.id.result_view);
+ statusView = findViewById(R.id.status_view);
+ handler = null;
+ lastResult = null;
+ hasSurface = false;
showHelpOnFirstLaunch();
}
SurfaceView surfaceView = (SurfaceView) findViewById(R.id.preview_view);
SurfaceHolder surfaceHolder = surfaceView.getHolder();
- if (mHasSurface) {
+ 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);
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) || action.equals(Intents.Scan.DEPRECATED_ACTION)) {
+ if (action.equals(Intents.Scan.ACTION)) {
// Scan the formats the intent requested, and return the result to the calling activity.
- mSource = Source.NATIVE_APP_INTENT;
- mDecodeMode = intent.getStringExtra(Intents.Scan.MODE);
+ source = Source.NATIVE_APP_INTENT;
+ decodeMode = intent.getStringExtra(Intents.Scan.MODE);
resetStatusView();
} else if (dataString != null && dataString.contains(PRODUCT_SEARCH_URL_PREFIX) &&
dataString.contains(PRODUCT_SEARCH_URL_SUFFIX)) {
// Scan only products and send the result to mobile Product Search.
- mSource = Source.PRODUCT_SEARCH_LINK;
- mSourceUrl = dataString;
- mDecodeMode = Intents.Scan.PRODUCT_MODE;
+ source = Source.PRODUCT_SEARCH_LINK;
+ sourceUrl = dataString;
+ decodeMode = Intents.Scan.PRODUCT_MODE;
resetStatusView();
} else if (dataString != null && dataString.equals(ZXING_URL)) {
// Scan all formats and handle the results ourselves.
// TODO: In the future we could allow the hyperlink to include a URL to send the results to.
- mSource = Source.ZXING_LINK;
- mSourceUrl = dataString;
- mDecodeMode = null;
+ source = Source.ZXING_LINK;
+ sourceUrl = dataString;
+ decodeMode = null;
resetStatusView();
} else {
// Scan all formats and handle the results ourselves (launched from Home).
- mSource = Source.NONE;
- mDecodeMode = null;
+ source = Source.NONE;
+ decodeMode = null;
resetStatusView();
}
} else {
- mSource = Source.NONE;
- mDecodeMode = null;
- if (mLastResult == null) {
+ source = Source.NONE;
+ decodeMode = null;
+ if (lastResult == null) {
resetStatusView();
}
}
SharedPreferences prefs = PreferenceManager.getDefaultSharedPreferences(this);
- mPlayBeep = prefs.getBoolean(PreferencesActivity.KEY_PLAY_BEEP, true);
- mVibrate = prefs.getBoolean(PreferencesActivity.KEY_VIBRATE, false);
- mCopyToClipboard = prefs.getBoolean(PreferencesActivity.KEY_COPY_TO_CLIPBOARD, true);
+ playBeep = prefs.getBoolean(PreferencesActivity.KEY_PLAY_BEEP, true);
+ vibrate = prefs.getBoolean(PreferencesActivity.KEY_VIBRATE, false);
+ copyToClipboard = prefs.getBoolean(PreferencesActivity.KEY_COPY_TO_CLIPBOARD, true);
initBeepSound();
}
@Override
protected void onPause() {
super.onPause();
- if (mHandler != null) {
- mHandler.quitSynchronously();
- mHandler = null;
+ if (handler != null) {
+ handler.quitSynchronously();
+ handler = null;
}
CameraManager.get().closeDriver();
}
@Override
public boolean onKeyDown(int keyCode, KeyEvent event) {
if (keyCode == KeyEvent.KEYCODE_BACK) {
- if (mSource == Source.NATIVE_APP_INTENT) {
+ if (source == Source.NATIVE_APP_INTENT) {
setResult(RESULT_CANCELED);
finish();
return true;
- } else if ((mSource == Source.NONE || mSource == Source.ZXING_LINK) && mLastResult != null) {
+ } else if ((source == Source.NONE || source == Source.ZXING_LINK) && lastResult != null) {
resetStatusView();
- mHandler.sendEmptyMessage(R.id.restart_preview);
+ handler.sendEmptyMessage(R.id.restart_preview);
return true;
}
} else if (keyCode == KeyEvent.KEYCODE_FOCUS || keyCode == KeyEvent.KEYCODE_CAMERA) {
@Override
public boolean onPrepareOptionsMenu(Menu menu) {
super.onPrepareOptionsMenu(menu);
- menu.findItem(SHARE_ID).setVisible(mLastResult == null);
+ menu.findItem(SHARE_ID).setVisible(lastResult == null);
return true;
}
}
case ABOUT_ID:
AlertDialog.Builder builder = new AlertDialog.Builder(this);
- builder.setTitle(getString(R.string.title_about) + mVersionName);
+ 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.zxing_icon);
- builder.setPositiveButton(R.string.button_open_browser, mAboutListener);
+ builder.setPositiveButton(R.string.button_open_browser, aboutListener);
builder.setNegativeButton(R.string.button_cancel, null);
builder.show();
break;
super.onConfigurationChanged(config);
}
- private final DialogInterface.OnClickListener mAboutListener = new DialogInterface.OnClickListener() {
- public void onClick(DialogInterface dialogInterface, int i) {
- Intent intent = new Intent(Intent.ACTION_VIEW, Uri.parse(getString(R.string.zxing_url)));
- startActivity(intent);
- }
- };
-
public void surfaceCreated(SurfaceHolder holder) {
- if (!mHasSurface) {
- mHasSurface = true;
+ if (!hasSurface) {
+ hasSurface = true;
initCamera(holder);
}
}
public void surfaceDestroyed(SurfaceHolder holder) {
- mHasSurface = false;
+ hasSurface = false;
}
public void surfaceChanged(SurfaceHolder holder, int format, int width, int height) {
* @param barcode A greyscale bitmap of the camera data which was decoded.
*/
public void handleDecode(Result rawResult, Bitmap barcode) {
- mLastResult = rawResult;
+ lastResult = rawResult;
playBeepSoundAndVibrate();
drawResultPoints(barcode, rawResult);
- switch (mSource) {
+ switch (source) {
case NATIVE_APP_INTENT:
case PRODUCT_SEARCH_LINK:
handleDecodeExternally(rawResult, barcode);
// Put up our own UI for how to handle the decoded contents.
private void handleDecodeInternally(Result rawResult, Bitmap barcode) {
- mStatusView.setVisibility(View.GONE);
- mViewfinderView.setVisibility(View.GONE);
- mResultView.setVisibility(View.VISIBLE);
+ statusView.setVisibility(View.GONE);
+ viewfinderView.setVisibility(View.GONE);
+ resultView.setVisibility(View.VISIBLE);
ImageView barcodeImageView = (ImageView) findViewById(R.id.barcode_image_view);
barcodeImageView.setMaxWidth(MAX_RESULT_IMAGE_SIZE);
}
}
- if (mCopyToClipboard) {
+ if (copyToClipboard) {
ClipboardManager clipboard = (ClipboardManager) getSystemService(CLIPBOARD_SERVICE);
clipboard.setText(displayContents);
}
// Briefly show the contents of the barcode, then handle the result outside Barcode Scanner.
private void handleDecodeExternally(Result rawResult, Bitmap barcode) {
- mViewfinderView.drawResultBitmap(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
textView.setTextSize(18.0f);
textView.setText(getString(resultHandler.getDisplayTitle()));
- mStatusView.setBackgroundColor(getResources().getColor(R.color.transparent));
+ statusView.setBackgroundColor(getResources().getColor(R.color.transparent));
- if (mCopyToClipboard) {
+ if (copyToClipboard) {
ClipboardManager clipboard = (ClipboardManager) getSystemService(CLIPBOARD_SERVICE);
clipboard.setText(resultHandler.getDisplayContents());
}
- if (mSource == Source.NATIVE_APP_INTENT) {
+ 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.putExtra(Intents.Scan.RESULT, rawResult.toString());
intent.putExtra(Intents.Scan.RESULT_FORMAT, rawResult.getBarcodeFormat().toString());
- Message message = Message.obtain(mHandler, R.id.return_scan_result);
+ Message message = Message.obtain(handler, R.id.return_scan_result);
message.obj = intent;
- mHandler.sendMessageDelayed(message, INTENT_RESULT_DURATION);
- } else if (mSource == Source.PRODUCT_SEARCH_LINK) {
+ 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(mHandler, R.id.launch_product_query);
- int end = mSourceUrl.lastIndexOf("/scan");
- message.obj = mSourceUrl.substring(0, end) + "?q=" +
+ 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";
- mHandler.sendMessageDelayed(message, INTENT_RESULT_DURATION);
+ handler.sendMessageDelayed(message, INTENT_RESULT_DURATION);
}
}
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.mVersionName = info.versionName;
+ this.versionName = info.versionName;
SharedPreferences prefs = PreferenceManager.getDefaultSharedPreferences(this);
int lastVersion = prefs.getInt(PreferencesActivity.KEY_HELP_VERSION_SHOWN, 0);
if (currentVersion > lastVersion) {
* latency possible.
*/
private void initBeepSound() {
- if (mPlayBeep && mMediaPlayer == null) {
- mMediaPlayer = new MediaPlayer();
- mMediaPlayer.setAudioStreamType(AudioManager.STREAM_SYSTEM);
- mMediaPlayer.setOnCompletionListener(mBeepListener);
+ if (playBeep && mediaPlayer == null) {
+ mediaPlayer = new MediaPlayer();
+ mediaPlayer.setAudioStreamType(AudioManager.STREAM_SYSTEM);
+ mediaPlayer.setOnCompletionListener(beepListener);
AssetFileDescriptor file = getResources().openRawResourceFd(R.raw.beep);
try {
- mMediaPlayer.setDataSource(file.getFileDescriptor(), file.getStartOffset(),
+ mediaPlayer.setDataSource(file.getFileDescriptor(), file.getStartOffset(),
file.getLength());
file.close();
- mMediaPlayer.setVolume(BEEP_VOLUME, BEEP_VOLUME);
- mMediaPlayer.prepare();
+ mediaPlayer.setVolume(BEEP_VOLUME, BEEP_VOLUME);
+ mediaPlayer.prepare();
} catch (IOException e) {
- mMediaPlayer = null;
+ mediaPlayer = null;
}
}
}
private void playBeepSoundAndVibrate() {
- if (mPlayBeep && mMediaPlayer != null) {
- mMediaPlayer.start();
+ if (playBeep && mediaPlayer != null) {
+ mediaPlayer.start();
}
- if (mVibrate) {
+ if (vibrate) {
Vibrator vibrator = (Vibrator) getSystemService(VIBRATOR_SERVICE);
vibrator.vibrate(VIBRATE_DURATION);
}
Log.w(TAG, ioe);
return;
}
- if (mHandler == null) {
- boolean beginScanning = mLastResult == null;
- mHandler = new CaptureActivityHandler(this, mDecodeMode, beginScanning);
+ if (handler == null) {
+ boolean beginScanning = lastResult == null;
+ handler = new CaptureActivityHandler(this, decodeMode, beginScanning);
}
}
private void resetStatusView() {
- mResultView.setVisibility(View.GONE);
- mStatusView.setVisibility(View.VISIBLE);
- mStatusView.setBackgroundColor(getResources().getColor(R.color.status_view));
- mViewfinderView.setVisibility(View.VISIBLE);
+ resultView.setVisibility(View.GONE);
+ statusView.setVisibility(View.VISIBLE);
+ statusView.setBackgroundColor(getResources().getColor(R.color.status_view));
+ viewfinderView.setVisibility(View.VISIBLE);
TextView textView = (TextView) findViewById(R.id.status_text_view);
textView.setGravity(Gravity.LEFT | Gravity.CENTER_VERTICAL);
textView.setTextSize(14.0f);
textView.setText(R.string.msg_default_status);
- mLastResult = null;
+ lastResult = null;
}
public void drawViewfinder() {
- mViewfinderView.drawViewfinder();
+ viewfinderView.drawViewfinder();
}
/**
mediaPlayer.seekTo(0);
}
}
-
}
projects / zxing.git / blobdiff