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Viewing changes to sw/ext/opencv_bebop/opencv/samples/android/tutorial-1-camerapreview/src/org/opencv/samples/tutorial1/Tutorial1Activity.java

  • Committer: Paparazzi buildbot
  • Date: 2016-05-18 15:00:29 UTC
  • Revision ID: felix.ruess+docbot@gmail.com-20160518150029-e8lgzi5kvb4p7un9
Manual import commit 4b8bbb730080dac23cf816b98908dacfabe2a8ec from v5.0 branch.

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sw/ext/opencv_bebop/opencv/samples/android/tutorial-1-camerapreview/src/org/opencv/samples/tutorial1/Tutorial1Activity.java
 
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package org.opencv.samples.tutorial1;
 
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import org.opencv.android.BaseLoaderCallback;
 
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import org.opencv.android.CameraBridgeViewBase.CvCameraViewFrame;
 
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import org.opencv.android.LoaderCallbackInterface;
 
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import org.opencv.android.OpenCVLoader;
 
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import org.opencv.core.Mat;
 
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import org.opencv.android.CameraBridgeViewBase;
 
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import org.opencv.android.CameraBridgeViewBase.CvCameraViewListener2;
 
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import android.app.Activity;
 
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import android.os.Bundle;
 
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import android.util.Log;
 
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import android.view.Menu;
 
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import android.view.MenuItem;
 
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import android.view.SurfaceView;
 
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import android.view.WindowManager;
 
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import android.widget.Toast;
 
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public class Tutorial1Activity extends Activity implements CvCameraViewListener2 {
 
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    private static final String TAG = "OCVSample::Activity";
 
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    private CameraBridgeViewBase mOpenCvCameraView;
 
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    private boolean              mIsJavaCamera = true;
 
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    private MenuItem             mItemSwitchCamera = null;
 
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    private BaseLoaderCallback mLoaderCallback = new BaseLoaderCallback(this) {
 
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        @Override
 
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        public void onManagerConnected(int status) {
 
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            switch (status) {
 
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                case LoaderCallbackInterface.SUCCESS:
 
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                {
 
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                    Log.i(TAG, "OpenCV loaded successfully");
 
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                    mOpenCvCameraView.enableView();
 
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                } break;
 
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                default:
 
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                {
 
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                    super.onManagerConnected(status);
 
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                } break;
 
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            }
 
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        }
 
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    };
 
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    public Tutorial1Activity() {
 
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        Log.i(TAG, "Instantiated new " + this.getClass());
 
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    }
 
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    /** Called when the activity is first created. */
 
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    @Override
 
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    public void onCreate(Bundle savedInstanceState) {
 
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        Log.i(TAG, "called onCreate");
 
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        super.onCreate(savedInstanceState);
 
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        getWindow().addFlags(WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON);
 
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        setContentView(R.layout.tutorial1_surface_view);
 
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        mOpenCvCameraView = (CameraBridgeViewBase) findViewById(R.id.tutorial1_activity_java_surface_view);
 
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        mOpenCvCameraView.setVisibility(SurfaceView.VISIBLE);
 
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        mOpenCvCameraView.setCvCameraViewListener(this);
 
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    }
 
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    @Override
 
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    public void onPause()
 
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    {
 
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        super.onPause();
 
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        if (mOpenCvCameraView != null)
 
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            mOpenCvCameraView.disableView();
 
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    }
 
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    @Override
 
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    public void onResume()
 
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    {
 
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        super.onResume();
 
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        if (!OpenCVLoader.initDebug()) {
 
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            Log.d(TAG, "Internal OpenCV library not found. Using OpenCV Manager for initialization");
 
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            OpenCVLoader.initAsync(OpenCVLoader.OPENCV_VERSION_3_0_0, this, mLoaderCallback);
 
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        } else {
 
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            Log.d(TAG, "OpenCV library found inside package. Using it!");
 
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            mLoaderCallback.onManagerConnected(LoaderCallbackInterface.SUCCESS);
 
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        }
 
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    }
 
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    public void onDestroy() {
 
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        super.onDestroy();
 
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        if (mOpenCvCameraView != null)
 
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            mOpenCvCameraView.disableView();
 
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    }
 
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    public void onCameraViewStarted(int width, int height) {
 
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    }
 
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    public void onCameraViewStopped() {
 
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    }
 
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    public Mat onCameraFrame(CvCameraViewFrame inputFrame) {
 
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        return inputFrame.rgba();
 
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    }
 
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}