3c2353cd
 杜方
1、畅游通核销app源码提交；
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/*
* 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.ectrip.cyt.zxing.decoding;
import java.util.Vector;
import android.app.Activity;
import android.content.Intent;
import android.net.Uri;
import android.os.Bundle;
import android.os.Handler;
import android.os.Message;
import android.util.Log;
import com.ectrip.cyt.ui.PhomeScanerOrderActivity;
import com.ectrip.cyt.zxing.camera.CameraManager;
import com.ectrip.cyt.zxing.view.ViewfinderResultPointCallback;
import com.ectrip.trips.check.R;
import com.google.zxing.BarcodeFormat;
import com.google.zxing.Result;
/**
* This class handles all the messaging which comprises the state machine for capture.
*/
public final class CaptureActivityHandler extends Handler {
private static final String TAG = CaptureActivityHandler.class.getSimpleName();
private final PhomeScanerOrderActivity activity;
private final DecodeThread decodeThread;
private State state;
private enum State {
PREVIEW,
SUCCESS,
DONE
}
public CaptureActivityHandler(PhomeScanerOrderActivity activity, Vector<BarcodeFormat> decodeFormats,
String characterSet) {
this.activity = activity;
decodeThread = new DecodeThread(activity, decodeFormats, characterSet,
new ViewfinderResultPointCallback(activity.getViewfinderView()));
decodeThread.start();
state = State.SUCCESS;
// Start ourselves capturing previews and decoding.
CameraManager.get().startPreview();
restartPreviewAndDecode();
}
@Override
public void handleMessage(Message message) {
switch (message.what) {
case R.id.auto_focus:
//Log.d(TAG, "Got auto-focus message");
// 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.
if (state == State.PREVIEW) {
CameraManager.get().requestAutoFocus(this, R.id.auto_focus);
}
break;
case R.id.restart_preview:
Log.d(TAG, "Got restart preview message");
restartPreviewAndDecode();
break;
case R.id.decode_succeeded:
Log.d(TAG, "Got decode succeeded message");
state = State.SUCCESS;
Bundle bundle = message.getData();
/***********************************************************************/
// Bitmap barcode = bundle == null ? null :
// (Bitmap) bundle.getParcelable(DecodeThread.BARCODE_BITMAP);//锟斤拷锟矫憋拷锟斤拷锟竭筹拷
activity.handleDecode((Result) message.obj);//锟斤拷锟截斤拷锟? /***********************************************************************/
break;
case R.id.decode_failed:
// We're decoding as fast as possible, so when one decode fails, start another.
state = State.PREVIEW;
CameraManager.get().requestPreviewFrame(decodeThread.getHandler(), R.id.decode);
break;
case R.id.return_scan_result:
Log.d(TAG, "Got return scan result message");
activity.setResult(Activity.RESULT_OK, (Intent) message.obj);
activity.finish();
break;
case R.id.launch_product_query:
Log.d(TAG, "Got product query message");
String url = (String) message.obj;
Intent intent = new Intent(Intent.ACTION_VIEW, Uri.parse(url));
intent.addFlags(Intent.FLAG_ACTIVITY_CLEAR_WHEN_TASK_RESET);
activity.startActivity(intent);
break;
}
}
public void quitSynchronously() {
state = State.DONE;
CameraManager.get().stopPreview();
Message quit = Message.obtain(decodeThread.getHandler(), R.id.quit);
quit.sendToTarget();
try {
decodeThread.join();
} catch (InterruptedException e) {
// continue
}
// 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 (state == State.SUCCESS) {
state = State.PREVIEW;
CameraManager.get().requestPreviewFrame(decodeThread.getHandler(), R.id.decode);
CameraManager.get().requestAutoFocus(this, R.id.auto_focus);
activity.drawViewfinder();
}
}
}
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