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<?xml version="1.0" encoding="utf-8"?> | |
<FrameLayout xmlns:android="http://schemas.android.com/apk/res/android" | |
xmlns:tools="http://schemas.android.com/tools" | |
android:layout_width="match_parent" | |
android:layout_height="match_parent" | |
android:id="@+id/activity_frame_layout" | |
tools:context="com.example.myapplication.MainActivity"> | |
<org.opencv.android.JavaCamera2View | |
android:id="@+id/CameraView" | |
android:layout_width="match_parent" | |
android:layout_height="match_parent" | |
android:visibility="visible" /> | |
</FrameLayout> |
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<?xml version="1.0" encoding="utf-8"?> | |
<manifest xmlns:android="http://schemas.android.com/apk/res/android" | |
package="com.example.myapplication"> | |
<application | |
android:allowBackup="true" | |
android:icon="@mipmap/ic_launcher" | |
android:label="@string/app_name" | |
android:roundIcon="@mipmap/ic_launcher_round" | |
android:supportsRtl="true" | |
android:theme="@style/Theme.MyApplication"> | |
<activity android:name=".MainActivity"> | |
<intent-filter> | |
<action android:name="android.intent.action.MAIN" /> | |
<category android:name="android.intent.category.LAUNCHER" /> | |
</intent-filter> | |
</activity> | |
</application> | |
<!--Allow to use a camera--> | |
<uses-permission android:name="android.permission.CAMERA"/> | |
<uses-feature android:name="android.hardware.camera" android:required="false"/> | |
<uses-feature android:name="android.hardware.camera.autofocus" android:required="false"/> | |
<uses-feature android:name="android.hardware.camera.front" android:required="false"/> | |
<uses-feature android:name="android.hardware.camera.front.autofocus" android:required="false"/> | |
</manifest> |
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//package com.example.myapplication; | |
// | |
//import androidx.appcompat.app.AppCompatActivity; | |
// | |
//import android.graphics.Bitmap; | |
//import android.graphics.ImageFormat; | |
//import android.hardware.camera2.CameraManager; | |
//import android.media.Image; | |
//import android.media.ImageReader; | |
//import android.os.Bundle; | |
//import android.os.Handler; | |
//import android.os.HandlerThread; | |
//import android.util.Log; | |
// | |
//import org.opencv.core.Core; | |
//import org.opencv.core.CvType; | |
//import org.opencv.core.Mat; | |
//import org.opencv.core.MatOfByte; | |
//import org.opencv.imgcodecs.Imgcodecs; | |
//import org.opencv.imgproc.Imgproc; | |
// | |
//import java.nio.ByteBuffer; | |
//import java.util.ArrayList; | |
// | |
//public class MainActivity extends AppCompatActivity { | |
// | |
// private ImageReader mImageReader; | |
// private HandlerThread mCameraThread; | |
// private Handler mCameraHandler; | |
// private Camera mCamera; | |
// | |
// @Override | |
// public void onResume() { | |
// super.onResume(); | |
// System.loadLibrary("opencv_java4"); | |
//// mOpenCvCameraView.enableView(); | |
// } | |
// | |
// @Override | |
// protected void onCreate(Bundle savedInstanceState) { | |
// super.onCreate(savedInstanceState); | |
// setContentView(R.layout.activity_main); | |
// | |
// mCameraThread = new HandlerThread("CameraBackground"); | |
// mCameraThread.start(); | |
// mCameraHandler = new Handler(mCameraThread.getLooper()); | |
// | |
// mCamera = Camera.getInstance(); | |
// mCamera.initializeCamera(this, mCameraHandler, mOnImageAvailableListener); | |
// try { | |
// Thread.sleep(1000); | |
// } catch (InterruptedException e) { | |
// e.printStackTrace(); | |
// } | |
// mCamera.takePicture(); | |
// } | |
// | |
// private ImageReader.OnImageAvailableListener mOnImageAvailableListener = | |
// new ImageReader.OnImageAvailableListener() { | |
// @Override | |
// public void onImageAvailable(ImageReader reader) { | |
// Log.e("MYTAG", "IMAGE"); | |
// Image image = reader.acquireLatestImage(); | |
// // get image bytes | |
// ByteBuffer imageBuf = image.getPlanes()[0].getBuffer(); | |
// Mat buf = new Mat(1, imageBuf.remaining(), CvType.CV_8UC1, imageBuf); | |
// image.close(); | |
// Mat img = Imgcodecs.imdecode(buf, Imgcodecs.IMREAD_COLOR); | |
// | |
// Log.e("MYTAG", "" + img.cols() + " " + img.rows() + " " + img.channels()); | |
// Log.e("MYTAG", "" + android.os.Build.VERSION.SDK_INT); | |
// | |
// // Drawing | |
// Mat rgba = new Mat(); | |
// Imgproc.cvtColor(img, rgba, Imgproc.COLOR_RGB2RGBA, 4); | |
// Bitmap outputBmp = Bitmap.createBitmap(rgba.cols(), rgba.rows(), Bitmap.Config.ARGB_8888); | |
// } | |
// }; | |
//} | |
package com.example.myapplication; | |
import android.Manifest; | |
import android.content.pm.PackageManager; | |
import android.graphics.Camera; | |
import android.os.Bundle; | |
import android.util.Log; | |
import android.view.SurfaceHolder; | |
import android.view.SurfaceView; | |
import androidx.core.content.ContextCompat; | |
import org.opencv.android.CameraActivity; | |
import org.opencv.android.CameraBridgeViewBase; | |
import org.opencv.android.CameraBridgeViewBase.CvCameraViewFrame; | |
import org.opencv.android.CameraBridgeViewBase.CvCameraViewListener2; | |
import org.opencv.core.Mat; | |
import org.opencv.imgproc.Imgproc; | |
import java.security.Policy; | |
import java.util.Collections; | |
import java.util.List; | |
public class MainActivity extends CameraActivity implements CvCameraViewListener2 { | |
@Override | |
public void onResume() { | |
super.onResume(); | |
System.loadLibrary("opencv_java4"); | |
mOpenCvCameraView.enableView(); | |
} | |
@Override | |
protected void onCreate(Bundle savedInstanceState) { | |
super.onCreate(savedInstanceState); | |
setContentView(R.layout.activity_main); | |
// Set up camera listener. | |
mOpenCvCameraView = (CameraBridgeViewBase) findViewById(R.id.CameraView); | |
mOpenCvCameraView.setVisibility(SurfaceView.VISIBLE); | |
mOpenCvCameraView.setCameraPermissionGranted(); | |
mOpenCvCameraView.setCvCameraViewListener(this); | |
} | |
@Override | |
protected List<? extends CameraBridgeViewBase> getCameraViewList() { | |
return Collections.singletonList(mOpenCvCameraView); | |
} | |
@Override | |
public void onCameraViewStarted(int width, int height) { | |
} | |
@Override | |
public void onCameraViewStopped() { | |
} | |
public Mat onCameraFrame(CvCameraViewFrame inputFrame) { | |
Mat frame = inputFrame.rgba(); | |
return frame; | |
} | |
private CameraBridgeViewBase mOpenCvCameraView; | |
} |
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