Android Open Source - craftar-example-android Recognition Only Activity

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License

The source code is released under:

MIT License

Java Source Code

// com.craftar.craftarexamples is free software. You may use it under the MIT license, which is copied
// below and available at http://opensource.org/licenses/MIT
//// w w w .  j  a  va  2s .c  om
// Copyright (c) 2014 Catchoom Technologies S.L.
//
// Permission is hereby granted, free of charge, to any person obtaining a copy of
// this software and associated documentation files (the "Software"), to deal in
// the Software without restriction, including without limitation the rights to use,
// copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the
// Software, and to permit persons to whom the Software is furnished to do so, subject to
// the following conditions:
//
// The above copyright notice and this permission notice shall be included in all
// copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED,
// INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR
// PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE
// FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
// DEALINGS IN THE SOFTWARE.

package com.craftar.craftarexamples;

import java.util.ArrayList;

import android.content.Intent;
import android.net.Uri;
import android.os.Bundle;
import android.util.Log;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Toast;

import com.craftar.CraftARActivity;
import com.craftar.CraftARCamera;
import com.craftar.CraftARCameraView;
import com.craftar.CraftARCloudRecognition;
import com.craftar.CraftARCloudRecognitionError;
import com.craftar.CraftARImage;
import com.craftar.CraftARImageHandler;
import com.craftar.CraftARItem;
import com.craftar.CraftARResponseHandler;
import com.craftar.CraftARSDK;

public class RecognitionOnlyActivity extends CraftARActivity implements CraftARResponseHandler,CraftARImageHandler, OnClickListener {

  private final String TAG = "CraftARTrackingExample";
  private final static String COLLECTION_TOKEN="craftarexamples1";

  private View mScanningLayout;
  private View mTapToScanLayout;
  
  CraftARCamera mCamera;
  
  CraftARCloudRecognition mCloudRecognition;

  @Override
  public void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
  }
    
  @Override
  public void onPostCreate() {
    
    View mainLayout= (View) getLayoutInflater().inflate(R.layout.activity_recognition_only, null);
    CraftARCameraView cameraView = (CraftARCameraView) mainLayout.findViewById(R.id.camera_preview);
    super.setCameraView(cameraView);
    setContentView(mainLayout);
    
    mScanningLayout = findViewById(R.id.layout_scanning);
    mTapToScanLayout = findViewById(R.id.tap_to_scan);
    mTapToScanLayout.setClickable(true);
    mTapToScanLayout.setOnClickListener(this);
    
    
    //Initialize the SDK. From this SDK, you will be able to retrieve the necessary modules to use the SDK (camera, tracking, and cloud-recgnition)
    CraftARSDK.init(getApplicationContext(),this);
    
    //Get the camera to be able to do single-shot (if you just use finder-mode, this is not necessary)
    mCamera= CraftARSDK.getCamera();
    mCamera.setImageHandler(this); //Tell the camera who will receive the image after takePicture()
    
    //Setup cloud recognition
    mCloudRecognition= CraftARSDK.getCloudRecognition();//Obtain the cloud recognition module
    mCloudRecognition.setResponseHandler(this); //Tell the cloud recognition who will receive the responses from the cloud
    mCloudRecognition.setCollectionToken(COLLECTION_TOKEN); //Tell the cloud-recognition which token to use from the finder mode
    
    
    mCloudRecognition.connect(COLLECTION_TOKEN);
    
  }
  
  @Override
  public void searchCompleted(ArrayList<CraftARItem> results) {
    mScanningLayout.setVisibility(View.GONE);
    if(results.size()==0){
      Log.d(TAG,"Nothing found");
    }else{
      CraftARItem item = results.get(0);
      if (!item.isAR()) {
        Intent launchBrowser = new Intent(Intent.ACTION_VIEW, Uri.parse(item.getUrl()));
        startActivity(launchBrowser);
        mTapToScanLayout.setVisibility(View.VISIBLE);
        mCamera.restartCameraPreview();
        return;
      }
    }
    Toast.makeText(getBaseContext(),getString(R.string.recognition_only_toast_nothing_found), Toast.LENGTH_SHORT).show();
    mTapToScanLayout.setVisibility(View.VISIBLE);
    mCamera.restartCameraPreview();
  }
  
  @Override
  public void connectCompleted(){
    Log.i(TAG,"Collection token is valid");
  }
  
  @Override
  public void requestFailedResponse(int requestCode,
      CraftARCloudRecognitionError responseError) {
    Log.d(TAG,"requestFailedResponse");  
    Toast.makeText(getBaseContext(),getString(R.string.recognition_only_toast_nothing_found), Toast.LENGTH_SHORT).show();
    mScanningLayout.setVisibility(View.GONE);
    mTapToScanLayout.setVisibility(View.VISIBLE);
    mCamera.restartCameraPreview();
    
  }

  //Callback received for SINGLE-SHOT only (after takePicture).
  @Override
  public void requestImageReceived(CraftARImage image) {
    mCloudRecognition.searchWithImage(COLLECTION_TOKEN,image);
  }
  @Override
  public void requestImageError(String error) {
    //Take picture failed
    Toast.makeText(getBaseContext(),getString(R.string.recognition_only_toast_picture_error), Toast.LENGTH_SHORT).show();
    mScanningLayout.setVisibility(View.GONE);
    mTapToScanLayout.setVisibility(View.VISIBLE);
    mCamera.restartCameraPreview();
  }

  @Override
  public void onClick(View v) {
    if (v == mTapToScanLayout) {
      mTapToScanLayout.setVisibility(View.GONE);
      mScanningLayout.setVisibility(View.VISIBLE);
      mCamera.takePicture();
    }
  }

  

}

Java Source Code List

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