+++ /dev/null
-/*
- * Copyright (C) 2007 The Android Open Source Project
- *
- * 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.android.barcodes;
-
-import android.util.Log;
-import org.apache.http.Header;
-import org.apache.http.HttpEntity;
-import org.apache.http.HttpEntityEnclosingRequest;
-import org.apache.http.HttpException;
-import org.apache.http.HttpHost;
-import org.apache.http.HttpRequest;
-import org.apache.http.HttpRequestInterceptor;
-import org.apache.http.HttpResponse;
-import org.apache.http.HttpMessage;
-import org.apache.http.client.HttpClient;
-import org.apache.http.client.ResponseHandler;
-import org.apache.http.client.methods.HttpUriRequest;
-import org.apache.http.client.params.HttpClientParams;
-import org.apache.http.client.protocol.ClientContext;
-import org.apache.http.conn.ClientConnectionManager;
-import org.apache.http.conn.scheme.PlainSocketFactory;
-import org.apache.http.conn.scheme.Scheme;
-import org.apache.http.conn.scheme.SchemeRegistry;
-import org.apache.http.conn.ssl.SSLSocketFactory;
-import org.apache.http.entity.AbstractHttpEntity;
-import org.apache.http.entity.ByteArrayEntity;
-import org.apache.http.impl.client.DefaultHttpClient;
-import org.apache.http.impl.client.RequestWrapper;
-import org.apache.http.impl.conn.tsccm.ThreadSafeClientConnManager;
-import org.apache.http.params.BasicHttpParams;
-import org.apache.http.params.HttpConnectionParams;
-import org.apache.http.params.HttpParams;
-import org.apache.http.params.HttpProtocolParams;
-import org.apache.http.protocol.BasicHttpContext;
-import org.apache.http.protocol.BasicHttpProcessor;
-import org.apache.http.protocol.HttpContext;
-
-import java.io.ByteArrayOutputStream;
-import java.io.IOException;
-import java.io.InputStream;
-import java.io.OutputStream;
-import java.net.URI;
-import java.util.zip.GZIPInputStream;
-import java.util.zip.GZIPOutputStream;
-
-/**
- * <p>Subclass of the Apache {@link DefaultHttpClient} that is configured with
- * reasonable default settings and registered schemes for Android, and
- * also lets the user add {@link HttpRequestInterceptor} classes.
- * Don't create this directly, use the {@link #newInstance} factory method.</p>
- *
- * <p>This client processes cookies but does not retain them by default.
- * To retain cookies, simply add a cookie store to the HttpContext:
- * <pre>context.setAttribute(ClientContext.COOKIE_STORE, cookieStore);</pre>
- * </p>
- */
-public final class AndroidHttpClient implements HttpClient {
-
- // Gzip of data shorter than this probably won't be worthwhile
- public static final long DEFAULT_SYNC_MIN_GZIP_BYTES = 256;
-
- private static final String TAG = "AndroidHttpClient";
-
-
- /**
- * Set if HTTP requests are blocked from being executed on this thread
- */
- private static final ThreadLocal<Boolean> sThreadBlocked =
- new ThreadLocal<Boolean>();
-
- /**
- * Interceptor throws an exception if the executing thread is blocked
- */
- private static final HttpRequestInterceptor sThreadCheckInterceptor =
- new HttpRequestInterceptor() {
- public void process(HttpRequest request, HttpContext context) {
- if (sThreadBlocked.get() != null && sThreadBlocked.get()) {
- throw new RuntimeException("This thread forbids HTTP requests");
- }
- }
- };
-
- /**
- * Create a new HttpClient with reasonable defaults (which you can update).
- *
- * @param userAgent to report in your HTTP requests.
- * @return AndroidHttpClient for you to use for all your requests.
- */
- public static AndroidHttpClient newInstance(String userAgent) {
- HttpParams params = new BasicHttpParams();
-
- // Turn off stale checking. Our connections break all the time anyway,
- // and it's not worth it to pay the penalty of checking every time.
- HttpConnectionParams.setStaleCheckingEnabled(params, false);
-
- // Default connection and socket timeout of 20 seconds. Tweak to taste.
- HttpConnectionParams.setConnectionTimeout(params, 20 * 1000);
- HttpConnectionParams.setSoTimeout(params, 20 * 1000);
- HttpConnectionParams.setSocketBufferSize(params, 8192);
-
- // Don't handle redirects -- return them to the caller. Our code
- // often wants to re-POST after a redirect, which we must do ourselves.
- HttpClientParams.setRedirecting(params, false);
-
- // Set the specified user agent and register standard protocols.
- HttpProtocolParams.setUserAgent(params, userAgent);
- SchemeRegistry schemeRegistry = new SchemeRegistry();
- schemeRegistry.register(new Scheme("http",
- PlainSocketFactory.getSocketFactory(), 80));
- schemeRegistry.register(new Scheme("https",
- SSLSocketFactory.getSocketFactory(), 443));
- ClientConnectionManager manager =
- new ThreadSafeClientConnManager(params, schemeRegistry);
-
- // We use a factory method to modify superclass initialization
- // parameters without the funny call-a-static-method dance.
- return new AndroidHttpClient(manager, params);
- }
-
- private final HttpClient delegate;
-
- private RuntimeException mLeakedException = new IllegalStateException(
- "AndroidHttpClient created and never closed");
-
- private AndroidHttpClient(ClientConnectionManager ccm, HttpParams params) {
- this.delegate = new DefaultHttpClient(ccm, params) {
- @Override
- protected BasicHttpProcessor createHttpProcessor() {
- // Add interceptor to prevent making requests from main thread.
- BasicHttpProcessor processor = super.createHttpProcessor();
- processor.addRequestInterceptor(sThreadCheckInterceptor);
- processor.addRequestInterceptor(new CurlLogger());
-
- return processor;
- }
-
- @Override
- protected HttpContext createHttpContext() {
- // Same as DefaultHttpClient.createHttpContext() minus the
- // cookie store.
- HttpContext context = new BasicHttpContext();
- context.setAttribute(ClientContext.AUTHSCHEME_REGISTRY, getAuthSchemes());
- context.setAttribute(ClientContext.COOKIESPEC_REGISTRY, getCookieSpecs());
- context.setAttribute(ClientContext.CREDS_PROVIDER, getCredentialsProvider());
- return context;
- }
- };
- }
-
- @Override
- protected void finalize() throws Throwable {
- super.finalize();
- if (mLeakedException != null) {
- Log.e(TAG, "Leak found", mLeakedException);
- mLeakedException = null;
- }
- }
-
- /**
- * Block this thread from executing HTTP requests.
- * Used to guard against HTTP requests blocking the main application thread.
- *
- * @param blocked if HTTP requests run on this thread should be denied
- */
- public static void setThreadBlocked(boolean blocked) {
- sThreadBlocked.set(blocked);
- }
-
- /**
- * Modifies a request to indicate to the server that we would like a
- * gzipped response. (Uses the "Accept-Encoding" HTTP header.)
- *
- * @param request the request to modify
- * @see #getUngzippedContent
- */
- public static void modifyRequestToAcceptGzipResponse(HttpMessage request) {
- request.addHeader("Accept-Encoding", "gzip");
- }
-
- /**
- * Gets the input stream from a response entity. If the entity is gzipped
- * then this will get a stream over the uncompressed data.
- *
- * @param entity the entity whose content should be read
- * @return the input stream to read from
- * @throws IOException
- */
- public static InputStream getUngzippedContent(HttpEntity entity) throws IOException {
- InputStream responseStream = entity.getContent();
- if (responseStream == null) {
- return responseStream;
- }
- Header header = entity.getContentEncoding();
- if (header == null) {
- return responseStream;
- }
- String contentEncoding = header.getValue();
- if (contentEncoding == null) {
- return responseStream;
- }
- if (contentEncoding.contains("gzip")) responseStream = new GZIPInputStream(responseStream);
- return responseStream;
- }
-
- /**
- * Release resources associated with this client. You must call this,
- * or significant resources (sockets and memory) may be leaked.
- */
- public void close() {
- if (mLeakedException != null) {
- getConnectionManager().shutdown();
- mLeakedException = null;
- }
- }
-
- public HttpParams getParams() {
- return delegate.getParams();
- }
-
- public ClientConnectionManager getConnectionManager() {
- return delegate.getConnectionManager();
- }
-
- public HttpResponse execute(HttpUriRequest request) throws IOException {
- return delegate.execute(request);
- }
-
- public HttpResponse execute(HttpUriRequest request, HttpContext context) throws IOException {
- return delegate.execute(request, context);
- }
-
- public HttpResponse execute(HttpHost target, HttpRequest request) throws IOException {
- return delegate.execute(target, request);
- }
-
- public HttpResponse execute(HttpHost target, HttpRequest request,
- HttpContext context) throws IOException {
- return delegate.execute(target, request, context);
- }
-
- public <T> T execute(HttpUriRequest request, ResponseHandler<? extends T> responseHandler) throws IOException {
- return delegate.execute(request, responseHandler);
- }
-
- public <T> T execute(HttpUriRequest request, ResponseHandler<? extends T> responseHandler, HttpContext context)
- throws IOException {
- return delegate.execute(request, responseHandler, context);
- }
-
- public <T> T execute(HttpHost target, HttpRequest request, ResponseHandler<? extends T> responseHandler)
- throws IOException {
- return delegate.execute(target, request, responseHandler);
- }
-
- public <T> T execute(HttpHost target, HttpRequest request,
- ResponseHandler<? extends T> responseHandler,
- HttpContext context)
- throws IOException {
- return delegate.execute(target, request, responseHandler, context);
- }
-
- /**
- * Compress data to send to server.
- * Creates a Http Entity holding the gzipped data.
- * The data will not be compressed if it is too short.
- *
- * @param data The bytes to compress
- * @return Entity holding the data
- */
- public static AbstractHttpEntity getCompressedEntity(byte data[]) throws IOException {
- AbstractHttpEntity entity;
- if (data.length < getMinGzipSize()) {
- entity = new ByteArrayEntity(data);
- } else {
- ByteArrayOutputStream arr = new ByteArrayOutputStream();
- OutputStream zipper = new GZIPOutputStream(arr);
- zipper.write(data);
- zipper.close();
- entity = new ByteArrayEntity(arr.toByteArray());
- entity.setContentEncoding("gzip");
- }
- return entity;
- }
-
- /**
- * Retrieves the minimum size for compressing data.
- * Shorter data will not be compressed.
- */
- public static long getMinGzipSize() {
- return DEFAULT_SYNC_MIN_GZIP_BYTES;
- }
-
- /* cURL logging support. */
-
- /**
- * Logging tag and level.
- */
- private static class LoggingConfiguration {
-
- private final String tag;
- private final int level;
-
- private LoggingConfiguration(String tag, int level) {
- this.tag = tag;
- this.level = level;
- }
-
- /**
- * Returns true if logging is turned on for this configuration.
- */
- private boolean isLoggable() {
- return Log.isLoggable(tag, level);
- }
-
- /**
- * Prints a message using this configuration.
- */
- private void println(String message) {
- Log.println(level, tag, message);
- }
- }
-
- /**
- * cURL logging configuration.
- */
- private volatile LoggingConfiguration curlConfiguration;
-
- /**
- * Enables cURL request logging for this client.
- *
- * @param name to log messages with
- * @param level at which to log messages (see {@link android.util.Log})
- */
- public void enableCurlLogging(String name, int level) {
- if (name == null) {
- throw new NullPointerException("name");
- }
- if (level < Log.VERBOSE || level > Log.ASSERT) {
- throw new IllegalArgumentException("Level is out of range ["
- + Log.VERBOSE + ".." + Log.ASSERT + "]");
- }
-
- curlConfiguration = new LoggingConfiguration(name, level);
- }
-
- /**
- * Disables cURL logging for this client.
- */
- public void disableCurlLogging() {
- curlConfiguration = null;
- }
-
- /**
- * Logs cURL commands equivalent to requests.
- */
- private class CurlLogger implements HttpRequestInterceptor {
- public void process(HttpRequest request, HttpContext context)
- throws HttpException, IOException {
- LoggingConfiguration configuration = curlConfiguration;
- if (configuration != null
- && configuration.isLoggable()
- && request instanceof HttpUriRequest) {
- configuration.println(toCurl((HttpUriRequest) request));
- }
- }
-
- /**
- * Generates a cURL command equivalent to the given request.
- */
- private String toCurl(HttpUriRequest request) throws IOException {
- StringBuilder builder = new StringBuilder();
-
- builder.append("curl ");
-
- for (Header header : request.getAllHeaders()) {
- builder.append("--header \"");
- builder.append(header.toString().trim());
- builder.append("\" ");
- }
-
- URI uri = request.getURI();
-
- // If this is a wrapped request, use the URI from the original
- // request instead. getURI() on the wrapper seems to return a
- // relative URI. We want an absolute URI.
- if (request instanceof RequestWrapper) {
- HttpRequest original = ((RequestWrapper) request).getOriginal();
- if (original instanceof HttpUriRequest) {
- uri = ((HttpUriRequest) original).getURI();
- }
- }
-
- builder.append('"');
- builder.append(uri);
- builder.append('"');
-
- if (request instanceof HttpEntityEnclosingRequest) {
- HttpEntityEnclosingRequest entityRequest =
- (HttpEntityEnclosingRequest) request;
- HttpEntity entity = entityRequest.getEntity();
- if (entity != null && entity.isRepeatable()) {
- if (entity.getContentLength() < 1024) {
- ByteArrayOutputStream stream = new ByteArrayOutputStream();
- entity.writeTo(stream);
- String entityString = stream.toString();
- // TODO: Check the content type, too.
- builder.append(" --data-ascii \"").append(entityString).append('"');
- } else {
- builder.append(" [TOO MUCH DATA TO INCLUDE]");
- }
- }
- }
-
- return builder.toString();
- }
- }
-
-}
+++ /dev/null
-/*
- * Copyright 2008 Google Inc.
- *
- * 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.android.barcodes;
-
-import android.content.Intent;
-import com.google.zxing.client.result.ParsedResult;
-import com.google.zxing.client.result.ParsedResultType;
-
-import java.net.URISyntaxException;
-
-/**
- * A {@link com.google.zxing.client.result.ParsedResult} derived from a URI that encodes an Android
- * {@link Intent}, and which should presumably trigger that intent on Android.
- */
-public final class AndroidIntentParsedResult extends ParsedResult {
-
- private final Intent mIntent;
-
- private AndroidIntentParsedResult(Intent intent) {
- super(ParsedResultType.ANDROID_INTENT);
- mIntent = intent;
- }
-
- public static AndroidIntentParsedResult parse(String rawText) {
- try {
- return new AndroidIntentParsedResult(Intent.getIntent(rawText));
- } catch (URISyntaxException urise) {
- return null;
- } catch (IllegalArgumentException iae) {
- return null;
- }
- }
-
- public Intent getIntent() {
- return mIntent;
- }
-
- @Override
- public String getDisplayResult() {
- return mIntent.toString();
- }
-
-}
\ No newline at end of file
+++ /dev/null
-/*
- * Copyright (C) 2008 Google Inc.
- *
- * 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.android.barcodes;
-
-import android.app.Activity;
-import android.app.AlertDialog;
-import android.content.DialogInterface;
-import android.content.Intent;
-import android.content.SharedPreferences;
-import android.content.res.AssetFileDescriptor;
-import android.content.res.Configuration;
-import android.media.MediaPlayer;
-import android.media.AudioManager;
-import android.media.MediaPlayer.OnCompletionListener;
-import android.net.Uri;
-import android.os.Bundle;
-import android.os.Message;
-import android.preference.PreferenceManager;
-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.Window;
-import android.view.WindowManager;
-import android.widget.Button;
-import android.widget.TextView;
-import com.google.zxing.Result;
-import com.google.zxing.ResultPoint;
-import com.google.zxing.client.result.ParsedResult;
-
-import java.io.IOException;
-
-/**
- * The barcode reader activity itself. This is loosely based on the CameraPreview
- * example included in the Android SDK.
- */
-public final class BarcodesCaptureActivity extends Activity implements SurfaceHolder.Callback {
-
- private static final int SETTINGS_ID = Menu.FIRST;
- private static final int HELP_ID = Menu.FIRST + 1;
- private static final int ABOUT_ID = Menu.FIRST + 2;
-
- public BarcodesCaptureActivityHandler mHandler;
-
- private ViewfinderView mViewfinderView;
- private MediaPlayer mMediaPlayer;
- private String mLastResult;
- private boolean mPlayBeep;
- private boolean mScanIntent;
- private String mDecodeMode;
-
- @Override
- public void onCreate(Bundle icicle) {
- super.onCreate(icicle);
-
- Window window = getWindow();
- window.addFlags(WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON);
- setContentView(R.layout.capture);
-
- CameraManager.init(getApplication());
- mViewfinderView = (ViewfinderView) findViewById(R.id.viewfinder_view);
- mHandler = null;
-
- SurfaceView surfaceView = (SurfaceView) findViewById(R.id.preview_view);
- SurfaceHolder surfaceHolder = surfaceView.getHolder();
- surfaceHolder.addCallback(this);
- surfaceHolder.setType(SurfaceHolder.SURFACE_TYPE_PUSH_BUFFERS);
- }
-
- @Override
- protected void onResume() {
- super.onResume();
- resetStatusView();
-
- SharedPreferences prefs = PreferenceManager.getDefaultSharedPreferences(this);
- mPlayBeep = prefs.getBoolean(BarcodesPreferenceActivity.KEY_PLAY_BEEP, true);
- initBeepSound();
-
- Intent intent = getIntent();
- if (intent != null && intent.getAction().equals(Intents.Scan.ACTION)) {
- mScanIntent = true;
- mDecodeMode = intent.getStringExtra(Intents.Scan.MODE);
- } else {
- mScanIntent = false;
- mDecodeMode = null;
- }
- }
-
- @Override
- protected void onPause() {
- super.onPause();
- if (mHandler != null) {
- mHandler.quitSynchronously();
- mHandler = null;
- }
- CameraManager.get().closeDriver();
- }
-
- @Override
- public boolean onKeyDown(int keyCode, KeyEvent event) {
- if (keyCode == KeyEvent.KEYCODE_BACK) {
- if (mScanIntent) {
- setResult(RESULT_CANCELED);
- finish();
- 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, 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;
- }
-
- @Override
- public boolean onOptionsItemSelected(MenuItem item) {
- switch (item.getItemId()) {
- case SETTINGS_ID: {
- Intent intent = new Intent(Intent.ACTION_VIEW);
- intent.setClassName(this, BarcodesPreferenceActivity.class.getName());
- startActivity(intent);
- break;
- }
- case HELP_ID: {
- AlertDialog.Builder builder = new AlertDialog.Builder(this);
- builder.setTitle(R.string.title_help);
- builder.setMessage(R.string.msg_help);
- builder.setPositiveButton(R.string.button_ok, null);
- builder.show();
- break;
- }
- case ABOUT_ID: {
- AlertDialog.Builder builder = new AlertDialog.Builder(this);
- builder.setTitle(R.string.title_about);
- 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.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);
- }
-
- private final DialogInterface.OnClickListener mAboutListener = new DialogInterface.OnClickListener() {
- public void onClick(android.content.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) {
- CameraManager.get().openDriver(holder);
- if (mHandler == null) {
- mHandler = new BarcodesCaptureActivityHandler(this, mDecodeMode);
- }
- }
-
- public void surfaceDestroyed(SurfaceHolder holder) {
-
- }
-
- public void surfaceChanged(SurfaceHolder holder, int format, int width, int height) {
-
- }
-
- /**
- * A valid barcode has been found, so give an indication of success and show the results.
- *
- * @param rawResult The contents of the barcode.
- * @param duration How long the decoding took in milliseconds.
- */
- public void handleDecode(Result rawResult, int duration) {
- if (!rawResult.toString().equals(mLastResult)) {
- mLastResult = rawResult.toString();
- playBeepSound();
-
- ResultPoint[] points = rawResult.getResultPoints();
- if (points != null && points.length > 0) {
- mViewfinderView.drawResultPoints(points);
- }
-
- TextView textView = (TextView) findViewById(R.id.status_text_view);
- ParsedResult result = ResultHandler.parseResult(rawResult);
- String displayResult = result.getDisplayResult();
- displayResult = displayResult.replace("\r", "");
- textView.setText(displayResult);
-
- if (!mScanIntent) {
- Button actionButton = (Button) findViewById(R.id.status_action_button);
- int buttonText = ResultHandler.getActionButtonText(result.getType());
- if (buttonText != 0) {
- actionButton.setVisibility(View.VISIBLE);
- actionButton.setText(buttonText);
- ResultHandler resultHandler = new ResultHandler(this, result);
- actionButton.setOnClickListener(resultHandler);
- actionButton.requestFocus();
- } else {
- actionButton.setVisibility(View.GONE);
- }
- }
-
- View statusView = findViewById(R.id.status_view);
- statusView.setBackgroundColor(getResources().getColor(R.color.result_points));
-
- // Show the green finder patterns briefly, then either return the result or go back to
- // continuous scanning.
- if (mScanIntent) {
- Intent intent = new Intent(Intents.Scan.ACTION);
- 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.obj = intent;
- mHandler.sendMessageDelayed(message, 1000);
- } else {
- Message message = Message.obtain(mHandler, R.id.restart_preview);
- mHandler.sendMessageDelayed(message, 2000);
- }
- } else if (mHandler != null) {
- Message message = Message.obtain(mHandler, R.id.restart_preview);
- message.sendToTarget();
- }
- }
-
- /**
- * Creates the beep MediaPlayer in advance so that the sound can be triggered with the least
- * latency possible.
- */
- private void initBeepSound() {
- if (mPlayBeep && mMediaPlayer == null) {
- mMediaPlayer = new MediaPlayer();
- mMediaPlayer.setAudioStreamType(AudioManager.STREAM_SYSTEM);
- mMediaPlayer.setOnCompletionListener(mBeepListener);
-
- AssetFileDescriptor file = getResources().openRawResourceFd(R.raw.beep);
- try {
- mMediaPlayer.setDataSource(file.getFileDescriptor(), file.getStartOffset(),
- file.getLength());
- file.close();
- mMediaPlayer.setVolume(0.15f, 0.15f);
- mMediaPlayer.prepare();
- } catch (IOException e) {
- mMediaPlayer = null;
- }
- }
- }
-
- private void playBeepSound() {
- if (mPlayBeep && mMediaPlayer != null) {
- mMediaPlayer.start();
- }
- }
-
- /**
- * When the beep has finished playing, rewind to queue up another one.
- */
- private final OnCompletionListener mBeepListener = new OnCompletionListener() {
- public void onCompletion(MediaPlayer mediaPlayer) {
- mediaPlayer.seekTo(0);
- }
- };
-
- private void resetStatusView() {
- resetStatusViewColor();
- TextView textView = (TextView) findViewById(R.id.status_text_view);
- textView.setText(R.string.msg_default_status);
- Button actionButton = (Button) findViewById(R.id.status_action_button);
- actionButton.setVisibility(View.GONE);
- mLastResult = "";
- }
-
- public void resetStatusViewColor() {
- View statusView = findViewById(R.id.status_view);
- statusView.setBackgroundColor(getResources().getColor(R.color.status_view));
- }
-
- public void drawViewfinder() {
- mViewfinderView.drawViewfinder();
- }
-
-}
\ No newline at end of file
+++ /dev/null
-/*
- * Copyright (C) 2008 Google Inc.
- *
- * 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.android.barcodes;
-
-import android.app.Activity;
-import android.content.Intent;
-import android.os.Handler;
-import android.os.Message;
-import com.google.zxing.Result;
-
-/**
- * This class handles all the messaging which comprises the state machine for capture.
- */
-public class BarcodesCaptureActivityHandler extends Handler {
-
- private final BarcodesCaptureActivity mActivity;
- private final DecodeThread mDecodeThread;
- private State mState;
-
- private enum State {
- PREVIEW,
- SUCCESS,
- DONE
- }
-
- BarcodesCaptureActivityHandler(BarcodesCaptureActivity activity, String decodeMode) {
- mActivity = activity;
- mDecodeThread = new DecodeThread(activity, decodeMode);
- mDecodeThread.start();
- mState = State.SUCCESS;
-
- // Start ourselves capturing previews and decoding.
- restartPreviewAndDecode();
- }
-
- public void handleMessage(Message message) {
- switch (message.what) {
- case R.id.auto_focus:
- // When one auto focus pass finishes, start another. This is the closest thing to
- // continuous AF. It does seem to hunt a bit, but I'm not sure what else to do.
- CameraManager.get().requestAutoFocus(this, R.id.auto_focus);
- break;
- case R.id.restart_preview:
- restartPreviewAndDecode();
- break;
- case R.id.decode_succeeded:
- mState = State.SUCCESS;
- int duration = message.arg1;
- mActivity.handleDecode((Result) message.obj, duration);
- break;
- case R.id.decode_failed:
- // We're decoding as fast as possible, so when one decode fails, start another.
- mState = State.PREVIEW;
- CameraManager.get().requestPreviewFrame(mDecodeThread.mHandler, R.id.decode);
- break;
- case R.id.return_scan_result:
- mActivity.setResult(Activity.RESULT_OK, (Intent) message.obj);
- mActivity.finish();
- break;
- }
- }
-
- public void quitSynchronously() {
- mState = State.DONE;
- CameraManager.get().stopPreview();
- Message quit = Message.obtain(mDecodeThread.mHandler, R.id.quit);
- quit.sendToTarget();
- try {
- mDecodeThread.join();
- } catch (InterruptedException e) {
- }
-
- // Be absolutely sure we don't send any queued up messages
- removeMessages(R.id.decode_succeeded);
- removeMessages(R.id.decode_failed);
- }
-
- private void restartPreviewAndDecode() {
- if (mState == State.SUCCESS) {
- mState = State.PREVIEW;
- CameraManager.get().startPreview();
- CameraManager.get().requestPreviewFrame(mDecodeThread.mHandler, R.id.decode);
- CameraManager.get().requestAutoFocus(this, R.id.auto_focus);
- mActivity.resetStatusViewColor();
- mActivity.drawViewfinder();
- }
- }
-
-}
+++ /dev/null
-/*
- * Copyright (C) 2008 Google Inc.
- *
- * 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.android.barcodes;
-
-import android.app.Activity;
-import android.app.AlertDialog;
-import android.app.ProgressDialog;
-import android.content.DialogInterface;
-import android.content.DialogInterface.OnCancelListener;
-import android.content.DialogInterface.OnClickListener;
-import android.content.Intent;
-import android.graphics.Bitmap;
-import android.os.Bundle;
-import android.os.Handler;
-import android.os.Message;
-import android.view.ViewTreeObserver.OnGlobalLayoutListener;
-import android.widget.ImageView;
-import android.widget.LinearLayout;
-import android.widget.TextView;
-
-/**
- * This class encodes data from an Intent into a QR code, and then displays it full screen so that
- * another person can scan it with their device.
- */
-public class BarcodesEncodeActivity extends Activity {
-
- private QRCodeEncoder mQRCodeEncoder;
- private ProgressDialog mProgressDialog;
- private boolean mFirstLayout;
-
- @Override
- public void onCreate(Bundle icicle) {
- super.onCreate(icicle);
-
- Intent intent = getIntent();
- if (intent == null || !intent.getAction().equals(Intents.Encode.ACTION)) {
- finish();
- } else {
- setContentView(R.layout.encode);
- }
- }
-
- @Override
- protected void onResume() {
- super.onResume();
-
- LinearLayout layout = (LinearLayout) findViewById(R.id.encode_view);
- layout.getViewTreeObserver().addOnGlobalLayoutListener(mLayoutListener);
- mFirstLayout = true;
- }
-
- /**
- * This needs to be delayed until after the first layout so that the view dimensions will be
- * available.
- */
- public OnGlobalLayoutListener mLayoutListener = new OnGlobalLayoutListener() {
- public void onGlobalLayout() {
- if (mFirstLayout) {
- LinearLayout layout = (LinearLayout) findViewById(R.id.encode_view);
- int width = layout.getWidth();
- int height = layout.getHeight();
- int smallerDimension = (width < height) ? width : height;
-
- Intent intent = getIntent();
- try {
- mQRCodeEncoder = new QRCodeEncoder(BarcodesEncodeActivity.this, intent);
- setTitle(getString(R.string.app_name) + " - " + mQRCodeEncoder.getTitle());
- mQRCodeEncoder.requestBarcode(mHandler, smallerDimension);
- mProgressDialog = ProgressDialog.show(BarcodesEncodeActivity.this, null,
- getString(R.string.msg_encode_in_progress), true, true, mCancelListener);
- } catch (IllegalArgumentException e) {
- showErrorMessage(R.string.msg_encode_contents_failed);
- }
- mFirstLayout = false;
- }
- }
- };
-
- public Handler mHandler = new Handler() {
- public void handleMessage(Message message) {
- switch (message.what) {
- case R.id.encode_succeeded:
- mProgressDialog.dismiss();
- mProgressDialog = null;
- Bitmap image = (Bitmap)message.obj;
- ImageView view = (ImageView) findViewById(R.id.image_view);
- view.setImageBitmap(image);
- TextView contents = (TextView) findViewById(R.id.contents_text_view);
- contents.setText(mQRCodeEncoder.getDisplayContents());
- mQRCodeEncoder = null;
- break;
- case R.id.encode_failed:
- showErrorMessage(R.string.msg_encode_barcode_failed);
- mQRCodeEncoder = null;
- break;
- }
- }
- };
-
- private void showErrorMessage(int message) {
- if (mProgressDialog != null) {
- mProgressDialog.dismiss();
- mProgressDialog = null;
- }
- AlertDialog.Builder builder = new AlertDialog.Builder(this);
- builder.setMessage(message);
- builder.setPositiveButton(R.string.button_ok, mClickListener);
- builder.show();
- }
-
- private OnClickListener mClickListener = new OnClickListener() {
- public void onClick(DialogInterface dialog, int which) {
- finish();
- }
- };
-
- private OnCancelListener mCancelListener = new OnCancelListener() {
- public void onCancel(DialogInterface dialog) {
- finish();
- }
- };
-
-}
+++ /dev/null
-/*
- * Copyright (C) 2008 Google Inc.
- *
- * 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.android.barcodes;
-
-import android.content.SharedPreferences;
-import android.content.SharedPreferences.OnSharedPreferenceChangeListener;
-import android.os.Bundle;
-import android.preference.PreferenceScreen;
-import android.preference.CheckBoxPreference;
-
-public class BarcodesPreferenceActivity extends android.preference.PreferenceActivity
- implements OnSharedPreferenceChangeListener {
-
- static final String KEY_DECODE_1D = "preferences_decode_1D";
- static final String KEY_DECODE_QR = "preferences_decode_QR";
- static final String KEY_PLAY_BEEP = "preferences_play_beep";
-
- CheckBoxPreference mDecode1D;
- CheckBoxPreference mDecodeQR;
- CheckBoxPreference mPlayBeep;
-
- @Override
- protected void onCreate(Bundle icicle) {
- super.onCreate(icicle);
- addPreferencesFromResource(R.xml.preferences);
-
- PreferenceScreen preferences = getPreferenceScreen();
- preferences.getSharedPreferences().registerOnSharedPreferenceChangeListener(this);
- mDecode1D = (CheckBoxPreference) preferences.findPreference(KEY_DECODE_1D);
- mDecodeQR = (CheckBoxPreference) preferences.findPreference(KEY_DECODE_QR);
- mPlayBeep = (CheckBoxPreference) preferences.findPreference(KEY_PLAY_BEEP);
- }
-
- // Prevent the user from turning off both decode options
- public void onSharedPreferenceChanged(SharedPreferences sharedPreferences, String key) {
- if (key.equals(KEY_DECODE_1D)) {
- mDecodeQR.setEnabled(mDecode1D.isChecked());
- mDecodeQR.setChecked(true);
- } else if (key.equals(KEY_DECODE_QR)) {
- mDecode1D.setEnabled(mDecodeQR.isChecked());
- mDecode1D.setChecked(true);
- }
- }
-
-}
+++ /dev/null
-/*
- * Copyright (C) 2008 Google Inc.
- *
- * 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.android.barcodes;
-
-import android.content.Context;
-import android.graphics.Point;
-import android.graphics.Rect;
-import android.hardware.Camera;
-import android.os.Handler;
-import android.os.Message;
-import android.util.Log;
-import android.view.Display;
-import android.view.WindowManager;
-import android.view.SurfaceHolder;
-import com.google.zxing.ResultPoint;
-
-/**
- * This object wraps the Camera service object and expects to be the only one talking to it. The
- * implementation encapsulates the steps needed to take preview-sized images, which are used for
- * both preview and decoding.
- */
-final class CameraManager {
-
- private static final String TAG = "CameraManager";
-
- private static CameraManager mCameraManager;
- private Camera mCamera;
- private final Context mContext;
- private Point mScreenResolution;
- private Rect mFramingRect;
- private Handler mPreviewHandler;
- private int mPreviewMessage;
- private Handler mAutoFocusHandler;
- private int mAutoFocusMessage;
- private boolean mInitialized;
- private boolean mPreviewing;
-
- public static void init(Context context) {
- if (mCameraManager == null) {
- mCameraManager = new CameraManager(context);
- }
- }
-
- public static CameraManager get() {
- return mCameraManager;
- }
-
- private CameraManager(Context context) {
- mContext = context;
- mCamera = null;
- mInitialized = false;
- mPreviewing = false;
- }
-
- public void openDriver(SurfaceHolder holder) {
- if (mCamera == null) {
- mCamera = Camera.open();
- mCamera.setPreviewDisplay(holder);
-
- if (!mInitialized) {
- mInitialized = true;
- getScreenResolution();
- }
-
- setCameraParameters();
- }
- }
-
- public void closeDriver() {
- if (mCamera != null) {
- mCamera.release();
- mCamera = null;
- }
- }
-
- public void startPreview() {
- if (mCamera != null && !mPreviewing) {
- mCamera.startPreview();
- mPreviewing = true;
- }
- }
-
- public void stopPreview() {
- if (mCamera != null && mPreviewing) {
- mCamera.setPreviewCallback(null);
- mCamera.stopPreview();
- mPreviewHandler = null;
- mAutoFocusHandler = null;
- mPreviewing = false;
- }
- }
-
- /**
- * A single preview frame will be returned to the handler supplied. The data will arrive as byte[]
- * in the message.obj field, with width and height encoded as message.arg1 and message.arg2,
- * respectively.
- *
- * @param handler The handler to send the message to.
- * @param message The what field of the message to be sent.
- */
- public void requestPreviewFrame(Handler handler, int message) {
- if (mCamera != null && mPreviewing) {
- mPreviewHandler = handler;
- mPreviewMessage = message;
- mCamera.setPreviewCallback(previewCallback);
- }
- }
-
- public void requestAutoFocus(Handler handler, int message) {
- if (mCamera != null && mPreviewing) {
- mAutoFocusHandler = handler;
- mAutoFocusMessage = message;
- mCamera.autoFocus(autoFocusCallback);
- }
- }
-
- /**
- * Calculates the framing rect which the UI should draw to show the user where to place the
- * barcode. The actual captured image should be a bit larger than indicated because they might
- * frame the shot too tightly. This target helps with alignment as well as forces the user to hold
- * the device far enough away to ensure the image will be in focus.
- *
- * @return The rectangle to draw on screen in window coordinates.
- */
- public Rect getFramingRect() {
- if (mFramingRect == null) {
- int size = ((mScreenResolution.x < mScreenResolution.y) ? mScreenResolution.x :
- mScreenResolution.y) * 3 / 4;
- int leftOffset = (mScreenResolution.x - size) / 2;
- int topOffset = (mScreenResolution.y - size) / 2;
- mFramingRect = new Rect(leftOffset, topOffset, leftOffset + size, topOffset + size);
- Log.v(TAG, "Calculated framing rect: " + mFramingRect);
- }
- return mFramingRect;
- }
-
- /**
- * Converts the result points from still resolution coordinates to screen coordinates.
- *
- * @param points The points returned by the Reader subclass through Result.getResultPoints().
- * @return An array of Points scaled to the size of the framing rect and offset appropriately
- * so they can be drawn in screen coordinates.
- */
- public Point[] convertResultPoints(ResultPoint[] points) {
- Rect frame = getFramingRect();
- int count = points.length;
- Point[] output = new Point[count];
- for (int x = 0; x < count; x++) {
- output[x] = new Point();
- output[x].x = frame.left + (int) (points[x].getX() + 0.5f);
- output[x].y = frame.top + (int) (points[x].getY() + 0.5f);
- }
- return output;
- }
-
- /**
- * Preview frames are delivered here, which we pass on to the registered handler. Make sure to
- * clear the handler so it will only receive one message.
- */
- private final Camera.PreviewCallback previewCallback = new Camera.PreviewCallback() {
- public void onPreviewFrame(byte[] data, Camera camera) {
- camera.setPreviewCallback(null);
- if (mPreviewHandler != null) {
- Message message = mPreviewHandler.obtainMessage(mPreviewMessage, mScreenResolution.x,
- mScreenResolution.y, data);
- message.sendToTarget();
- mPreviewHandler = null;
- }
- }
- };
-
- private final Camera.AutoFocusCallback autoFocusCallback = new Camera.AutoFocusCallback() {
- public void onAutoFocus(boolean success, Camera camera) {
- if (mAutoFocusHandler != null) {
- Message message = mAutoFocusHandler.obtainMessage(mAutoFocusMessage, success);
- // Simulate continuous autofocus by sending a focus request every second.
- mAutoFocusHandler.sendMessageDelayed(message, 1000);
- mAutoFocusHandler = null;
- }
- }
- };
-
- /**
- * Sets the camera up to take preview images which are used for both preview and decoding. We're
- * counting on the default YUV420 semi-planar data. If that changes in the future, we'll need to
- * specify it explicitly with setPreviewFormat().
- */
- private void setCameraParameters() {
- Camera.Parameters parameters = mCamera.getParameters();
- parameters.setPreviewSize(mScreenResolution.x, mScreenResolution.y);
- mCamera.setParameters(parameters);
- Log.v(TAG, "Setting params for preview: width " + mScreenResolution.x + " height " +
- mScreenResolution.y);
- }
-
- private Point getScreenResolution() {
- if (mScreenResolution == null) {
- WindowManager manager = (WindowManager) mContext.getSystemService(Context.WINDOW_SERVICE);
- Display display = manager.getDefaultDisplay();
- mScreenResolution = new Point(display.getWidth(), display.getHeight());
- }
- return mScreenResolution;
- }
-
-}
+++ /dev/null
-/*
- * Copyright (C) 2008 Google Inc.
- *
- * 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.android.barcodes;
-
-
-public final class Contents {
-
- /**
- * All the formats we know about.
- */
- public static final class Format {
- public static final String UPC_A = "UPC_A";
- public static final String UPC_E = "UPC_E";
- public static final String EAN_8 = "EAN_8";
- public static final String EAN_13 = "EAN_13";
- public static final String CODE_39 = "CODE_39";
- public static final String CODE_128 = "CODE_128";
- public static final String QR_CODE = "QR_CODE";
- }
-
- public static final class Type {
- /**
- * Plain text. Use Intent.putExtra(DATA, string). This can be used for URLs too, but string
- * must include "http://" or "https://".
- */
- public static final String TEXT = "TEXT_TYPE";
-
- /**
- * An email type. Use Intent.putExtra(DATA, string) where string is the email address.
- */
- public static final String EMAIL = "EMAIL_TYPE";
-
- /**
- * Use Intent.putExtra(DATA, string) where string is the phone number to call.
- */
- public static final String PHONE = "PHONE_TYPE";
-
- /**
- * An SMS type. Use Intent.putExtra(DATA, string) where string is the number to SMS.
- */
- public static final String SMS = "SMS_TYPE";
-
- /**
- * A contact. Send a request to encode it as follows:
- *
- * import android.provider.Contacts;
- *
- * Intent intent = new Intent(Intents.Encode.ACTION);
- * intent.putExtra(Intents.Encode.TYPE, CONTACT);
- * Bundle bundle = new Bundle();
- * bundle.putString(Contacts.Intents.Insert.NAME, "Jenny");
- * bundle.putString(Contacts.Intents.Insert.PHONE, "8675309");
- * bundle.putString(Contacts.Intents.Insert.EMAIL, "jenny@the80s.com");
- * intent.putExtra(Intents.Encode.DATA, bundle);
- */
- public static final String CONTACT = "CONTACT_TYPE";
-
- /**
- * A geographic location. Use as follows:
- * Bundle bundle = new Bundle();
- * bundle.putFloat("LAT", latitude);
- * bundle.putFloat("LONG", longitude);
- * intent.putExtra(Intents.Encode.DATA, bundle);
- */
- public static final String LOCATION = "LOCATION_TYPE";
- }
-
-}
+++ /dev/null
-/*
- * Copyright (C) 2008 Google Inc.
- *
- * 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.android.barcodes;
-
-import android.content.SharedPreferences;
-import android.os.Handler;
-import android.os.Looper;
-import android.os.Message;
-import android.preference.PreferenceManager;
-import com.google.zxing.BarcodeFormat;
-import com.google.zxing.DecodeHintType;
-import com.google.zxing.MonochromeBitmapSource;
-import com.google.zxing.MultiFormatReader;
-import com.google.zxing.ReaderException;
-import com.google.zxing.Result;
-
-import java.util.Date;
-import java.util.Hashtable;
-import java.util.Vector;
-
-/**
- * This thread does all the heavy lifting of decoding the images.
- */
-final class DecodeThread extends Thread {
-
- public Handler mHandler;
- private BarcodesCaptureActivity mActivity;
- private MultiFormatReader mMultiFormatReader;
-
- DecodeThread(BarcodesCaptureActivity activity, String mode) {
- mActivity = activity;
- mMultiFormatReader = new MultiFormatReader();
-
- // The prefs can't change while the thread is running, so pick them up once here.
- if (mode == null || mode.length() == 0) {
- SharedPreferences prefs = PreferenceManager.getDefaultSharedPreferences(activity);
- boolean decode1D = prefs.getBoolean(BarcodesPreferenceActivity.KEY_DECODE_1D, true);
- boolean decodeQR = prefs.getBoolean(BarcodesPreferenceActivity.KEY_DECODE_QR, true);
- if (decode1D && decodeQR) {
- setDecodeAllMode();
- } else if (decode1D) {
- setDecode1DMode();
- } else if (decodeQR) {
- setDecodeQRMode();
- }
- } else {
- if (mode.equals(Intents.Scan.PRODUCT_MODE)) {
- setDecodeProductMode();
- } else if (mode.equals(Intents.Scan.ONE_D_MODE)) {
- setDecode1DMode();
- } else if (mode.equals(Intents.Scan.QR_CODE_MODE)) {
- setDecodeQRMode();
- } else {
- setDecodeAllMode();
- }
- }
- }
-
- @Override
- public void run() {
- Looper.prepare();
- mHandler = new Handler() {
- public void handleMessage(Message message) {
- switch (message.what) {
- case R.id.decode:
- decode((byte[]) message.obj, message.arg1, message.arg2);
- break;
- case R.id.quit:
- Looper.myLooper().quit();
- break;
- }
- }
- };
- Looper.loop();
- }
-
- private void setDecodeProductMode() {
- Hashtable<DecodeHintType, Object> hints = new Hashtable<DecodeHintType, Object>(3);
- Vector<BarcodeFormat> vector = new Vector<BarcodeFormat>();
- vector.addElement(BarcodeFormat.UPC_A);
- vector.addElement(BarcodeFormat.UPC_E);
- vector.addElement(BarcodeFormat.EAN_13);
- vector.addElement(BarcodeFormat.EAN_8);
- hints.put(DecodeHintType.POSSIBLE_FORMATS, vector);
- mMultiFormatReader.setHints(hints);
- }
-
- // TODO: This is fragile in case we add new formats. It would be better to have a new enum
- // value which represented all 1D formats.
- private void setDecode1DMode() {
- Hashtable<DecodeHintType, Object> hints = new Hashtable<DecodeHintType, Object>(3);
- Vector<BarcodeFormat> vector = new Vector<BarcodeFormat>();
- vector.addElement(BarcodeFormat.UPC_A);
- vector.addElement(BarcodeFormat.UPC_E);
- vector.addElement(BarcodeFormat.EAN_13);
- vector.addElement(BarcodeFormat.EAN_8);
- vector.addElement(BarcodeFormat.CODE_39);
- vector.addElement(BarcodeFormat.CODE_128);
- hints.put(DecodeHintType.POSSIBLE_FORMATS, vector);
- mMultiFormatReader.setHints(hints);
- }
-
- private void setDecodeQRMode() {
- Hashtable<DecodeHintType, Object> hints = new Hashtable<DecodeHintType, Object>(3);
- Vector<BarcodeFormat> vector = new Vector<BarcodeFormat>();
- vector.addElement(BarcodeFormat.QR_CODE);
- hints.put(DecodeHintType.POSSIBLE_FORMATS, vector);
- mMultiFormatReader.setHints(hints);
- }
-
- private void setDecodeAllMode() {
- mMultiFormatReader.setHints(null);
- }
-
- /**
- * Decode the data within the viewfinder rectangle, and time how long it took. For efficiency,
- * reuse the same reader objects from one decode to the next.
- *
- * @param data The YUV preview frame.
- * @param width The width of the preview frame.
- * @param height The height of the preview frame.
- */
- private void decode(byte[] data, int width, int height) {
- Date startDate = new Date();
- boolean success;
- Result rawResult = null;
- try {
- MonochromeBitmapSource source = new YUVMonochromeBitmapSource(data, width, height,
- CameraManager.get().getFramingRect());
- rawResult = mMultiFormatReader.decodeWithState(source);
- success = true;
- } catch (ReaderException e) {
- success = false;
- }
- Date endDate = new Date();
-
- if (success) {
- Message message = Message.obtain(mActivity.mHandler, R.id.decode_succeeded, rawResult);
- message.arg1 = (int) (endDate.getTime() - startDate.getTime());
- message.sendToTarget();
- } else {
- Message message = Message.obtain(mActivity.mHandler, R.id.decode_failed);
- message.arg1 = (int) (endDate.getTime() - startDate.getTime());
- message.sendToTarget();
- }
- }
-
-}
+++ /dev/null
-/*
- * Copyright (C) 2008 Google Inc.
- *
- * 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.android.barcodes;
-
-public final class Intents {
-
- public static final class Scan {
- /**
- * Send this intent to open the Barcodes app in scanning mode, find a barcode, and return
- * the results.
- */
- public static final String ACTION = "com.android.barcodes.SCAN";
-
- /**
- * By default, sending Scan.ACTION will decode all barcodes that we understand. However it
- * may be useful to limit scanning to certain formats. Use Intent.putExtra(MODE, value) with
- * one of the values below (optional).
- */
- public static final String MODE = "SCAN_MODE";
-
- /**
- * Decode only UPC and EAN barcodes. This is the right choice for shopping apps which get
- * prices, reviews, etc. for products.
- */
- public static final String PRODUCT_MODE = "PRODUCT_MODE";
-
- /**
- * Decode only 1D barcodes (currently UPC, EAN, Code 39, and Code 128).
- */
- public static final String ONE_D_MODE = "ONE_D_MODE";
-
- /**
- * Decode only QR codes.
- */
- public static final String QR_CODE_MODE = "QR_CODE_MODE";
-
- /**
- * If a barcode is found, Barcodes returns RESULT_OK to onActivityResult() of the app which
- * requested the scan via startSubActivity(). The barcodes contents can be retrieved with
- * intent.getStringExtra(RESULT). If the user presses Back, the result code will be
- * RESULT_CANCELED.
- */
- public static final String RESULT = "SCAN_RESULT";
-
- /**
- * Call intent.getStringExtra(RESULT_FORMAT) to determine which barcode format was found.
- * See Contents.Format for possible values.
- */
- public static final String RESULT_FORMAT = "SCAN_RESULT_FORMAT";
- }
-
- public static final class Encode {
- /**
- * Send this intent to encode a piece of data as a QR code and display it full screen, so
- * that another person can scan the barcode from your screen.
- */
- public static final String ACTION = "com.android.barcodes.ENCODE";
-
- /**
- * The data to encode. Use Intent.putExtra(DATA, data) where data is either a String or a
- * Bundle, depending on the type specified. See Contents for details.
- */
- public static final String DATA = "ENCODE_DATA";
-
- /**
- * The type of data being supplied. Use Intent.putExtra(TYPE, type) with one of
- * Contents.Type.
- */
- public static final String TYPE = "ENCODE_TYPE";
- }
-
-}
+++ /dev/null
-/*
- * Copyright (C) 2008 Google Inc.
- *
- * 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.android.barcodes;
-
-import android.app.Activity;
-import android.content.Intent;
-import android.graphics.Bitmap;
-import android.graphics.BitmapFactory;
-import android.os.Bundle;
-import android.os.Handler;
-import android.os.Message;
-import android.provider.Contacts;
-import android.util.Log;
-import org.apache.http.HttpEntity;
-import org.apache.http.HttpResponse;
-import org.apache.http.client.methods.HttpGet;
-
-import java.net.URI;
-
-public class QRCodeEncoder {
-
- private static final String TAG = "QRCodeEncoder";
- private static final String CHART_SERVER_URL = "//chart.apis.google.com/chart?cht=qr&chs=";
-
- private Activity mActivity;
- private String mContents;
- private String mDisplayContents;
- private String mTitle;
- private NetworkThread mNetworkThread;
-
- public QRCodeEncoder(Activity activity, Intent intent) {
- mActivity = activity;
- if (!encodeContents(intent)) {
- throw new IllegalArgumentException("No valid data to encode.");
- }
- }
-
- // Once the core ZXing library supports encoding, we'll be able to generate the bitmap
- // synchronously. For now, it's a network request, so it's handled on a thread.
- public void requestBarcode(Handler handler, int pixelResolution) {
- mNetworkThread = new NetworkThread(mContents, handler, pixelResolution);
- mNetworkThread.start();
- }
-
- public String getContents() {
- return mContents;
- }
-
- public String getDisplayContents() {
- return mDisplayContents;
- }
-
- public String getTitle() {
- return mTitle;
- }
-
- // Perhaps the string encoding should live in the core ZXing library too.
- private boolean encodeContents(Intent intent) {
- if (intent == null) return false;
- String type = intent.getStringExtra(Intents.Encode.TYPE);
- if (type == null || type.length() == 0) return false;
-
- if (type.equals(Contents.Type.TEXT)) {
- String string = intent.getStringExtra(Intents.Encode.DATA);
- if (string != null && string.length() > 0) {
- mContents = string;
- mDisplayContents = string;
- mTitle = mActivity.getString(R.string.contents_text);
- }
- } else if (type.equals(Contents.Type.EMAIL)) {
- String string = intent.getStringExtra(Intents.Encode.DATA);
- if (string != null && string.length() > 0) {
- mContents = "mailto:" + string;
- mDisplayContents = string;
- mTitle = mActivity.getString(R.string.contents_email);
- }
- } else if (type.equals(Contents.Type.PHONE)) {
- String string = intent.getStringExtra(Intents.Encode.DATA);
- if (string != null && string.length() > 0) {
- mContents = "tel:" + string;
- mDisplayContents = string;
- mTitle = mActivity.getString(R.string.contents_phone);
- }
- } else if (type.equals(Contents.Type.SMS)) {
- String string = intent.getStringExtra(Intents.Encode.DATA);
- if (string != null && string.length() > 0) {
- mContents = "sms:" + string;
- mDisplayContents = string;
- mTitle = mActivity.getString(R.string.contents_sms);
- }
- } else if (type.equals(Contents.Type.CONTACT)) {
- Bundle bundle = intent.getBundleExtra(Intents.Encode.DATA);
- if (bundle != null) {
- String name = bundle.getString(Contacts.Intents.Insert.NAME);
- if (name != null && !name.equals("")) {
- mContents = "MECARD:N:" + name + ";";
- mDisplayContents = name;
- String phone = bundle.getString(Contacts.Intents.Insert.PHONE);
- if (phone != null && !phone.equals("")) {
- mContents += "TEL:" + phone + ";";
- mDisplayContents += "\n" + phone;
- }
- String email = bundle.getString(Contacts.Intents.Insert.EMAIL);
- if (email != null && !email.equals("")) {
- mContents += "EMAIL:" + email + ";";
- mDisplayContents += "\n" + email;
- }
- mContents += ";";
- mTitle = mActivity.getString(R.string.contents_contact);
- }
- }
- } else if (type.equals(Contents.Type.LOCATION)) {
- Bundle bundle = intent.getBundleExtra(Intents.Encode.DATA);
- if (bundle != null) {
- float latitude = bundle.getFloat("LAT", Float.MAX_VALUE);
- float longitude = bundle.getFloat("LONG", Float.MAX_VALUE);
- if (latitude != Float.MAX_VALUE && longitude != Float.MAX_VALUE) {
- mContents = "geo:" + latitude + "," + longitude;
- mDisplayContents = latitude + "," + longitude;
- mTitle = mActivity.getString(R.string.contents_location);
- }
- }
- }
- return mContents != null && mContents.length() > 0;
- }
-
- private class NetworkThread extends Thread {
-
- private String mContents;
- private Handler mHandler;
- private int mPixelResolution;
-
- public NetworkThread(String contents, Handler handler, int pixelResolution) {
- mContents = contents;
- mHandler = handler;
- mPixelResolution = pixelResolution;
- }
-
- public void run() {
- String url = CHART_SERVER_URL + mPixelResolution + "x" + mPixelResolution + "&chl=" +
- mContents;
- try {
- URI uri = new URI("http", url, null);
- HttpGet get = new HttpGet(uri);
- AndroidHttpClient client = AndroidHttpClient.newInstance("Android-Barcodes/0.1");
- HttpResponse response = client.execute(get);
- HttpEntity entity = response.getEntity();
- Bitmap image = BitmapFactory.decodeStream(entity.getContent());
- if (image != null) {
- Message message = Message.obtain(mHandler, R.id.encode_succeeded);
- message.obj = image;
- message.sendToTarget();
- } else {
- Log.e(TAG, "Could not decode png from the network");
- Message message = Message.obtain(mHandler, R.id.encode_failed);
- message.sendToTarget();
- }
- } catch (Exception e) {
- Log.e(TAG, e.toString());
- Message message = Message.obtain(mHandler, R.id.encode_failed);
- message.sendToTarget();
- }
- }
- }
-
-}
+++ /dev/null
-/*
- * Copyright (C) 2008 Google Inc.
- *
- * 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.android.barcodes;
-
-import android.content.Intent;
-import android.net.Uri;
-import android.provider.Contacts;
-import android.view.View;
-import android.widget.Button;
-import com.google.zxing.Result;
-import com.google.zxing.client.result.AddressBookParsedResult;
-import com.google.zxing.client.result.EmailAddressParsedResult;
-import com.google.zxing.client.result.GeoParsedResult;
-import com.google.zxing.client.result.ISBNParsedResult;
-import com.google.zxing.client.result.ParsedResult;
-import com.google.zxing.client.result.ParsedResultType;
-import com.google.zxing.client.result.ResultParser;
-import com.google.zxing.client.result.SMSParsedResult;
-import com.google.zxing.client.result.TelParsedResult;
-import com.google.zxing.client.result.UPCParsedResult;
-import com.google.zxing.client.result.URIParsedResult;
-
-/**
- * Handles the result of barcode decoding in the context of the Android platform, by dispatching the
- * proper intents to open other activities like GMail, Maps, etc.
- */
-final class ResultHandler implements Button.OnClickListener {
-
- private static final String TAG = "ResultHandler";
-
- private final Intent mIntent;
- private final BarcodesCaptureActivity mCaptureActivity;
-
- ResultHandler(BarcodesCaptureActivity captureActivity, ParsedResult result) {
- mCaptureActivity = captureActivity;
- mIntent = resultToIntent(result);
- }
-
- public void onClick(View view) {
- if (mIntent != null) {
- mCaptureActivity.startActivity(mIntent);
- }
- }
-
- public Intent getIntent() {
- return mIntent;
- }
-
- public static ParsedResult parseResult(Result rawResult) {
- ParsedResult result = ResultParser.parseResult(rawResult);
- if (result.getType().equals(ParsedResultType.TEXT)) {
- String rawText = rawResult.getText();
- AndroidIntentParsedResult androidResult = AndroidIntentParsedResult.parse(rawText);
- if (androidResult != null) {
- Intent intent = androidResult.getIntent();
- if (!Intent.ACTION_VIEW.equals(intent.getAction())) {
- // For now, don't take anything that just parses as a View action. A lot
- // of things are accepted as a View action by default.
- result = androidResult;
- }
- }
- }
- return result;
- }
-
- public static int getActionButtonText(ParsedResultType type) {
- int buttonText;
- if (type.equals(ParsedResultType.ADDRESSBOOK)) {
- buttonText = R.string.button_add_contact;
- } else if (type.equals(ParsedResultType.URI)) {
- buttonText = R.string.button_open_browser;
- } else if (type.equals(ParsedResultType.EMAIL_ADDRESS)) {
- buttonText = R.string.button_email;
- } else if (type.equals(ParsedResultType.SMS)) {
- buttonText = R.string.button_sms;
- } else if (type.equals(ParsedResultType.UPC)) {
- buttonText = R.string.button_lookup_product;
- } else if (type.equals(ParsedResultType.TEL)) {
- buttonText = R.string.button_dial;
- } else if (type.equals(ParsedResultType.GEO)) {
- buttonText = R.string.button_show_map;
- } else if (type.equals(ParsedResultType.ISBN)) {
- buttonText = R.string.button_lookup_book;
- } else {
- buttonText = 0;
- }
- return buttonText;
- }
-
- private static Intent resultToIntent(ParsedResult result) {
- Intent intent = null;
- ParsedResultType type = result.getType();
- if (type.equals(ParsedResultType.ADDRESSBOOK)) {
- AddressBookParsedResult addressResult = (AddressBookParsedResult) result;
- intent = new Intent(Contacts.Intents.Insert.ACTION, Contacts.People.CONTENT_URI);
- putExtra(intent, Contacts.Intents.Insert.NAME, addressResult.getNames());
- putExtra(intent, Contacts.Intents.Insert.PHONE, addressResult.getPhoneNumbers());
- putExtra(intent, Contacts.Intents.Insert.EMAIL, addressResult.getEmails());
- putExtra(intent, Contacts.Intents.Insert.NOTES, addressResult.getNote());
- putExtra(intent, Contacts.Intents.Insert.POSTAL, addressResult.getAddress());
- putExtra(intent, Contacts.Intents.Insert.COMPANY, addressResult.getOrg());
- putExtra(intent, Contacts.Intents.Insert.JOB_TITLE, addressResult.getTitle());
- } else if (type.equals(ParsedResultType.EMAIL_ADDRESS)) {
- EmailAddressParsedResult emailResult = (EmailAddressParsedResult) result;
- intent = new Intent(Intent.ACTION_SENDTO, Uri.parse(emailResult.getMailtoURI()));
- putExtra(intent, "subject", emailResult.getSubject());
- putExtra(intent, "body", emailResult.getBody());
- } else if (type.equals(ParsedResultType.SMS)) {
- SMSParsedResult smsResult = (SMSParsedResult) result;
- intent = new Intent(Intent.ACTION_SENDTO, Uri.parse(smsResult.getSMSURI()));
- putExtra(intent, "subject", smsResult.getSubject());
- putExtra(intent, "body", smsResult.getBody());
- } else if (type.equals(ParsedResultType.TEL)) {
- TelParsedResult telResult = (TelParsedResult) result;
- intent = new Intent(Intent.ACTION_DIAL, Uri.parse(telResult.getTelURI()));
- } else if (type.equals(ParsedResultType.GEO)) {
- GeoParsedResult geoResult = (GeoParsedResult) result;
- intent = new Intent(Intent.ACTION_VIEW, Uri.parse(geoResult.getGeoURI()));
- } else if (type.equals(ParsedResultType.UPC)) {
- UPCParsedResult upcResult = (UPCParsedResult) result;
- Uri uri = Uri.parse("http://www.google.com/products?q=" + upcResult.getUPC());
- intent = new Intent(Intent.ACTION_VIEW, uri);
- } else if (type.equals(ParsedResultType.ISBN)) {
- ISBNParsedResult isbnResult = (ISBNParsedResult) result;
- Uri uri = Uri.parse("http://www.google.com/products?q=" + isbnResult.getISBN());
- intent = new Intent(Intent.ACTION_VIEW, uri);
- } else if (type.equals(ParsedResultType.URI)) {
- URIParsedResult uriResult = (URIParsedResult) result;
- intent = new Intent(Intent.ACTION_VIEW, Uri.parse(uriResult.getURI()));
- } else if (type.equals(ParsedResultType.ANDROID_INTENT)) {
- intent = ((AndroidIntentParsedResult) result).getIntent();
- }
- return intent;
- }
-
- private static void putExtra(Intent intent, String key, String value) {
- if (value != null && value.length() > 0) {
- intent.putExtra(key, value);
- }
- }
-
- private static void putExtra(Intent intent, String key, String[] value) {
- if (value != null && value.length > 0) {
- putExtra(intent, key, value[0]);
- }
- }
-
-}
+++ /dev/null
-/*
- * Copyright (C) 2008 Google Inc.
- *
- * 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.android.barcodes;
-
-import android.content.Context;
-import android.content.res.Resources;
-import android.graphics.Canvas;
-import android.graphics.Paint;
-import android.graphics.Point;
-import android.graphics.Rect;
-import android.util.AttributeSet;
-import android.view.View;
-import com.google.zxing.ResultPoint;
-
-/**
- * This view is overlaid on top of the camera preview. It adds the viewfinder rectangle and partial
- * transparency outside it, as well as the laser scanner animation and result points.
- */
-public class ViewfinderView extends View {
-
- private static final int[] SCANNER_ALPHA = {0, 64, 128, 192, 255, 192, 128, 64};
- private static final int ANIMATION_DELAY = 100;
-
- private Paint mPaint;
- private Rect mBox;
- private Point[] mResultPoints;
- private int mMaskColor;
- private int mFrameColor;
- private int mPointsColor;
- private int mLaserColor;
- private int mScannerAlpha;
-
- // This constructor is used when the class is built from an XML resource.
- public ViewfinderView(Context context, AttributeSet attrs) {
- super(context, attrs);
-
- // Initialize these once for performance rather than calling them every time in onDraw().
- mPaint = new Paint();
- mBox = new Rect();
- Resources resources = getResources();
- mMaskColor = resources.getColor(R.color.viewfinder_mask);
- mFrameColor = resources.getColor(R.color.viewfinder_frame);
- mPointsColor = resources.getColor(R.color.result_points);
- mLaserColor = resources.getColor(R.color.viewfinder_laser);
- mScannerAlpha = 0;
- }
-
- @Override
- public void onDraw(Canvas canvas) {
- Rect frame = CameraManager.get().getFramingRect();
- int width = canvas.getWidth();
- int height = canvas.getHeight();
-
- // Draw the exterior (i.e. outside the framing rect) darkened
- mPaint.setColor(mMaskColor);
- mBox.set(0, 0, width, frame.top);
- canvas.drawRect(mBox, mPaint);
- mBox.set(0, frame.top, frame.left, frame.bottom + 1);
- canvas.drawRect(mBox, mPaint);
- mBox.set(frame.right + 1, frame.top, width, frame.bottom + 1);
- canvas.drawRect(mBox, mPaint);
- mBox.set(0, frame.bottom + 1, width, height);
- canvas.drawRect(mBox, mPaint);
-
- // Draw a two pixel solid black border inside the framing rect
- mPaint.setColor(mFrameColor);
- mBox.set(frame.left, frame.top, frame.right + 1, frame.top + 2);
- canvas.drawRect(mBox, mPaint);
- mBox.set(frame.left, frame.top + 2, frame.left + 2, frame.bottom - 1);
- canvas.drawRect(mBox, mPaint);
- mBox.set(frame.right - 1, frame.top, frame.right + 1, frame.bottom - 1);
- canvas.drawRect(mBox, mPaint);
- mBox.set(frame.left, frame.bottom - 1, frame.right + 1, frame.bottom + 1);
- canvas.drawRect(mBox, mPaint);
-
- if (mResultPoints != null) {
- // Superimpose a line for 1D or dots for 2D to highlight the key features of the barcode
- mPaint.setColor(mPointsColor);
- if (mResultPoints.length == 2) {
- mPaint.setStrokeWidth(4);
- canvas.drawLine(mResultPoints[0].x, mResultPoints[0].y, mResultPoints[1].x,
- mResultPoints[1].y, mPaint);
- } else {
- mPaint.setStrokeWidth(10);
- for (int x = 0; x < mResultPoints.length; x++) {
- canvas.drawPoint(mResultPoints[x].x, mResultPoints[x].y, mPaint);
- }
- }
- } else {
- // Draw a red "laser scanner" line through the middle to show decoding is active
- mPaint.setColor(mLaserColor);
- mPaint.setAlpha(SCANNER_ALPHA[mScannerAlpha]);
- mScannerAlpha = (mScannerAlpha + 1) % SCANNER_ALPHA.length;
- int middle = frame.height() / 2 + frame.top;
- mBox.set(frame.left + 2, middle - 1, frame.right - 1, middle + 2);
- canvas.drawRect(mBox, mPaint);
-
- // Request another update at the animation interval, but only repaint the laser line,
- // not the entire viewfinder mask.
- postInvalidateDelayed(ANIMATION_DELAY, mBox.left, mBox.top, mBox.right, mBox.bottom);
- }
- }
-
- public void drawViewfinder() {
- mResultPoints = null;
- invalidate();
- }
-
- /**
- * Draw a line for 1D barcodes (which return two points) or otherwise a set of points returned
- * from the decoder to indicate what we found. For efficiency, convert these to drawable
- * coordinates once here.
- *
- * @param resultPoints An array of points from the decoder, whose coordinates are expressed
- * relative to the still image from the camera.
- */
- public void drawResultPoints(ResultPoint[] resultPoints) {
- mResultPoints = CameraManager.get().convertResultPoints(resultPoints);
- invalidate();
- }
-
-}
+++ /dev/null
-/*
- * Copyright (C) 2008 Google Inc.
- *
- * 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.android.barcodes;
-
-import android.graphics.Rect;
-import com.google.zxing.common.BaseMonochromeBitmapSource;
-
-/**
- * This object implements MonochromeBitmapSource around an array of YUV data, giving you the option
- * to crop to a rectangle within the full data. This can be used to exclude superfluous pixels
- * around the perimeter and speed up decoding.
- */
-final class YUVMonochromeBitmapSource extends BaseMonochromeBitmapSource {
-
- private final byte[] mYUVData;
- private final int mDataWidth;
- private final Rect mCrop;
-
- /**
- * Builds an object around a YUV buffer from the camera.
- *
- * @param yuvData A byte array of planar Y data, followed by interleaved U and V
- * @param dataWidth The width of the Y data
- * @param dataHeight The height of the Y data
- * @param crop The rectangle within the yuvData to expose to MonochromeBitmapSource users
- */
- YUVMonochromeBitmapSource(byte[] yuvData, int dataWidth, int dataHeight, Rect crop) {
- mYUVData = yuvData;
- mDataWidth = dataWidth;
- mCrop = crop;
- assert (crop.width() <= dataWidth);
- assert (crop.height() <= dataHeight);
- }
-
- public int getHeight() {
- return mCrop.height();
- }
-
- public int getWidth() {
- return mCrop.width();
- }
-
- /**
- * The Y channel is stored as planar data at the head of the array, so we just ignore the
- * interleavd U and V which follow it.
- *
- * @param x The x coordinate to fetch within crop
- * @param y The y coordinate to fetch within crop
- * @return The luminance as an int, from 0-255
- */
- public int getLuminance(int x, int y) {
- return mYUVData[(y + mCrop.top) * mDataWidth + x + mCrop.left] & 0xff;
- }
-
- // Nothing to do, since we have direct access to the mYUVData array.
- public void cacheRowForLuminance(int y) {
-
- }
-
-}
projects / zxing.git / commitdiff