Java tutorial
/* * 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.zxing.qrcode.decoding; import java.util.Vector; import org.json.JSONException; import org.json.JSONObject; import net.tsz.afinal.FinalHttp; import net.tsz.afinal.http.AjaxCallBack; import android.app.Activity; import android.content.Intent; import android.graphics.Bitmap; import android.net.Uri; import android.os.Bundle; import android.os.Handler; import android.os.Message; import android.util.Log; import android.widget.Toast; import com.google.zxing.BarcodeFormat; import com.google.zxing.Result; import com.skycober.mineral.R; import com.skycober.mineral.company.TagdetialActivity; import com.skycober.mineral.constant.RequestUrls; import com.skycober.mineral.setting.SweepActivity; import com.zxing.qrcode.CameraManager; /** * This class handles all the messaging which comprises the state machine for * capture. * * @author dswitkin@google.com (Daniel Switkin) */ public final class CaptureActivityHandler extends Handler { private static final String TAG = CaptureActivityHandler.class.getSimpleName(); private final SweepActivity activity; private final DecodeThread decodeThread; private State state; private String eid; private String tag_ids; private enum State { PREVIEW, SUCCESS, DONE } public CaptureActivityHandler(SweepActivity activity, Vector<BarcodeFormat> decodeFormats, String characterSet, String eid, String tag_ids) { this.eid = eid; this.tag_ids = tag_ids; this.activity = activity; decodeThread = new DecodeThread(activity, decodeFormats, characterSet, new com.skycober.mineral.widget.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); final String str_result = ((Result) message.obj).getText(); System.out.println("====str_result====" + str_result); String match = "^[0-9]{13}"; boolean b = str_result.matches(match); // Toast.makeText(activity, ""+b, 1).show(); // activity.handleDecode((Result) message.obj, barcode); if (b) { String url = RequestUrls.TIAOXING_CODE_URL.replace("[code]", str_result); FinalHttp fh = new FinalHttp(); fh.get(url, new AjaxCallBack<Object>() { @Override public void onSuccess(Object t) { // TODO Auto-generated method stub super.onSuccess(t); try { System.out.println("===TIAOXING_CODE_URL====" + new JSONObject(t.toString())); Intent tagIntent = new Intent(activity, TagdetialActivity.class); tagIntent.putExtra("jsonStr", t.toString()); tagIntent.putExtra("barcodes", str_result); tagIntent.putExtra("eid", eid); tagIntent.putExtra("tag_ids", tag_ids); activity.startActivity(tagIntent); } catch (JSONException e) { // TODO Auto-generated catch block e.printStackTrace(); } } @Override public void onFailure(Throwable t, String strMsg) { // TODO Auto-generated method stub super.onFailure(t, strMsg); } }); } else { try { Intent intent = new Intent(Intent.ACTION_VIEW); // //// intent.setPackage("com.tencent.mm");// intent.putExtra(Intent.EXTRA_SUBJECT, "share"); intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK); // // // intent.setData(Uri.parse("http://weixin.qq.com/r/o3w_sRvEMSVOhwrSnyCH")); intent.setData(Uri.parse(str_result)); activity.startActivity(intent); } catch (Exception e) { Toast.makeText(activity, R.string.no_wechat_rem, Toast.LENGTH_SHORT).show(); } } 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; } } 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.return_scan_result); 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(); } } }