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get image from camera android

YOU.com answered on April 30, 2020 Popularity 5/10 Helpfulness 2/10

answer get image from camera android

related android camera image uri

get image from camera android

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// Add the necessary dependencies to your build.gradle file
implementation 'androidx.camera:camera-camera2:1.1.0-alpha02'
implementation 'androidx.camera:camera-lifecycle:1.1.0-alpha02'
implementation 'androidx.camera:camera-view:1.0.0-alpha20'

// Import the required classes
import androidx.appcompat.app.AppCompatActivity;
import android.os.Bundle;
import android.util.Log;
import android.widget.Toast;
import androidx.camera.core.ImageAnalysis;
import androidx.camera.core.ImageCapture;
import androidx.camera.core.ImageCaptureException;
import androidx.camera.core.ImageProxy;
import androidx.camera.lifecycle.ProcessCameraProvider;
import androidx.camera.view.PreviewView;
import androidx.core.content.ContextCompat;
import com.google.common.util.concurrent.ListenableFuture;
import java.io.File;
import java.text.SimpleDateFormat;
import java.util.Locale;
import java.util.concurrent.ExecutionException;
import java.util.concurrent.ExecutorService;
import java.util.concurrent.Executors;

public class MainActivity extends AppCompatActivity {

    private ExecutorService cameraExecutor;
    private ImageCapture imageCapture;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);

        // Initialize the cameraExecutor
        cameraExecutor = Executors.newSingleThreadExecutor();

        // Initialize the PreviewView
        PreviewView previewView = findViewById(R.id.previewView);

        // Bind the camera preview to the PreviewView
        ListenableFuture<ProcessCameraProvider> cameraProviderFuture = ProcessCameraProvider.getInstance(this);
        cameraProviderFuture.addListener(() -> {
            try {
                ProcessCameraProvider cameraProvider = cameraProviderFuture.get();
                bindPreview(cameraProvider, previewView);
            } catch (ExecutionException | InterruptedException e) {
                // Handle exceptions
                e.printStackTrace();
            }
        }, ContextCompat.getMainExecutor(this));
    }

    private void bindPreview(ProcessCameraProvider cameraProvider, PreviewView previewView) {
        // Set up the preview use case
        Preview preview = new Preview.Builder().build().also(previewUseCase -> {
            previewUseCase.setSurfaceProvider(previewView.createSurfaceProvider());
        });

        // Set up the image capture use case
        imageCapture = new ImageCapture.Builder().build();

        // Unbind any previous use cases before rebinding
        cameraProvider.unbindAll();

        // Attach the use cases to the cameraProvider
        Camera camera = cameraProvider.bindToLifecycle(this, CameraSelector.DEFAULT_BACK_CAMERA, preview, imageCapture);

        // Capture image on button click (replace with your own trigger)
        findViewById(R.id.captureButton).setOnClickListener(view -> captureImage());
    }

    private void captureImage() {
        // Create a file to save the captured image
        SimpleDateFormat sdf = new SimpleDateFormat("yyyyMMdd_HHmmss", Locale.getDefault());
        File outputFile = new File(getOutputDirectory(), sdf.format(System.currentTimeMillis()) + ".jpg");

        // Configure the image capture
        ImageCapture.OutputFileOptions outputFileOptions = new ImageCapture.OutputFileOptions.Builder(outputFile).build();

        // Take the picture
        imageCapture.takePicture(outputFileOptions, ContextCompat.getMainExecutor(this), new ImageCapture.OnImageSavedCallback() {
            @Override
            public void onImageSaved(ImageCapture.OutputFileResults outputFileResults) {
                // Image captured and saved successfully
                Toast.makeText(MainActivity.this, "Image captured!", Toast.LENGTH_SHORT).show();
            }

            @Override
            public void onError(ImageCaptureException error) {
                // Handle capture error
                error.printStackTrace();
            }
        });
    }

    @Override
    protected void onDestroy() {
        super.onDestroy();
        // Shut down the cameraExecutor when the activity is destroyed
        cameraExecutor.shutdown();
    }

    private File getOutputDirectory() {
        // Replace with your own logic to determine the output directory
        return getExternalMediaDirs()[0];
    }
}

Popularity 5/10 Helpfulness 2/10 Language java

Source: Grepper

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Contributed on Sep 11 2023

YOU.com

0 Answers Avg Quality 2/10

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android camera image uri

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Uri imageUri = data.getData();

Popularity 8/10 Helpfulness 3/10 Language whatever

Source: stackoverflow.com

Tags: uri image android-camera whatever androi

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Contributed on Apr 30 2020

Frantic Ferret

0 Answers Avg Quality 2/10

get image from camera android

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get image from camera android

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