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androidcamera2连拍

IT知识androidCamera2

【androidcamera2连拍】大鹏一日同风起，扶摇直上九万里。这篇文章主要讲述androidcamera2连拍相关的知识，希望能为你提供帮助。

package com.example.android.camera2basic; import android.Manifest; import android.app.Activity; import android.app.AlertDialog; import android.app.Dialog; import android.app.DialogFragment; import android.app.Fragment; import android.content.Context; import android.content.DialogInterface; import android.content.pm.PackageManager; import android.content.res.Configuration; import android.graphics.ImageFormat; import android.graphics.Matrix; import android.graphics.Point; import android.graphics.RectF; import android.graphics.SurfaceTexture; import android.hardware.camera2.CameraAccessException; import android.hardware.camera2.CameraCaptureSession; import android.hardware.camera2.CameraCharacteristics; import android.hardware.camera2.CameraDevice; import android.hardware.camera2.CameraManager; import android.hardware.camera2.CameraMetadata; import android.hardware.camera2.CaptureRequest; import android.hardware.camera2.CaptureResult; import android.hardware.camera2.TotalCaptureResult; import android.hardware.camera2.params.StreamConfigurationMap; import android.media.Image; import android.media.ImageReader; import android.os.Bundle; import android.os.Environment; import android.os.Handler; import android.os.HandlerThread; import android.support.annotation.NonNull; import android.support.v13.app.FragmentCompat; import android.support.v4.content.ContextCompat; import android.util.Log; import android.util.Size; import android.util.SparseIntArray; import android.view.LayoutInflater; import android.view.MenuItem; import android.view.Surface; import android.view.TextureView; import android.view.View; import android.view.ViewGroup; import android.widget.PopupMenu; import android.widget.Toast; import java.io.File; import java.io.FileNotFoundException; import java.io.FileOutputStream; import java.io.IOException; import java.nio.ByteBuffer; import java.util.ArrayList; import java.util.Arrays; import java.util.Collections; import java.util.Comparator; import java.util.List; import java.util.concurrent.Semaphore; import java.util.concurrent.TimeUnit; public class Camera2BasicFragment extends Fragment implements View.OnClickListener, FragmentCompat.OnRequestPermissionsResultCallback { /** * Conversion from screen rotation to JPEG orientation. */ private static final SparseIntArray ORIENTATIONS = new SparseIntArray(); private static final int REQUEST_CAMERA_PERMISSION = 1; private static final String FRAGMENT_DIALOG = "dialog"; public static File dir; //默认输出分辨率 private int outputWidth = 1280; private int outputHeight = 720; static { ORIENTATIONS.append(Surface.ROTATION_0, 90); ORIENTATIONS.append(Surface.ROTATION_90, 0); ORIENTATIONS.append(Surface.ROTATION_180, 270); ORIENTATIONS.append(Surface.ROTATION_270, 180); }private static final String TAG = "Camera2BasicFragment"; private static final int STATE_PREVIEW = 0; private static final int STATE_WAITING_LOCK = 1; private static final int STATE_WAITING_PRECAPTURE = 2; private static final int STATE_WAITING_NON_PRECAPTURE = 3; private static final int STATE_PICTURE_TAKEN = 4; // Max preview width that is guaranteed by Camera2 API private static final int MAX_PREVIEW_WIDTH = 1920; //Max preview height that is guaranteed by Camera2 API private static final int MAX_PREVIEW_HEIGHT = 1080; private final TextureView.SurfaceTextureListener mSurfaceTextureListener = new TextureView.SurfaceTextureListener() {@Override public void onSurfaceTextureAvailable(SurfaceTexture texture, int width, int height) { openCamera(width, height, outputWidth, outputHeight); }@Override public void onSurfaceTextureSizeChanged(SurfaceTexture texture, int width, int height) { configureTransform(width, height); }@Override public boolean onSurfaceTextureDestroyed(SurfaceTexture texture) { return true; }@Override public void onSurfaceTextureUpdated(SurfaceTexture texture) { }}; private String mCameraId; private AutoFitTextureView mTextureView; private CameraCaptureSession mCaptureSession; private CameraDevice mCameraDevice; private Size mPreviewSize; private final CameraDevice.StateCallback mStateCallback = new CameraDevice.StateCallback() { @Override public void onOpened(@NonNull CameraDevice cameraDevice) { // This method is called when the camera is opened.We start camera preview here. mCameraOpenCloseLock.release(); mCameraDevice = cameraDevice; createCameraPreviewSession(); }@Override public void onDisconnected(@NonNull CameraDevice cameraDevice) { mCameraOpenCloseLock.release(); cameraDevice.close(); mCameraDevice = null; }@Override public void onError(@NonNull CameraDevice cameraDevice, int error) { mCameraOpenCloseLock.release(); cameraDevice.close(); mCameraDevice = null; Activity activity = getActivity(); if (null != activity) { activity.finish(); } } }; // An additional thread for running tasks that shouldn‘t block the UI. private HandlerThread mBackgroundThread; //A {@link Handler} for running tasks in the background. private Handler mBackgroundHandler; //An {@link ImageReader} that handles still image capture. private ImageReader mImageReader; //"onImageAvailable" will be called when a still image is ready to be saved.private final ImageReader.OnImageAvailableListener mOnImageAvailableListener = new ImageReader.OnImageAvailableListener() {@Override public void onImageAvailable(ImageReader reader) { mBackgroundHandler.post(new ImageSaver(reader.acquireNextImage())); } }; private CaptureRequest.Builder mPreviewRequestBuilder; private CaptureRequest mPreviewRequest; private int mState = STATE_PREVIEW; private Semaphore mCameraOpenCloseLock = new Semaphore(1); private boolean mFlashSupported; private int mSensorOrientation; private CameraCaptureSession.CaptureCallback mCaptureCallback = new CameraCaptureSession.CaptureCallback() {private void process(CaptureResult result) { //Log.d("peng", "1010101010101010101"); switch (mState) { case STATE_PREVIEW: { Log.d("peng", "6666666666666666666667"); // We have nothing to do when the camera preview is working normally. break; } case STATE_WAITING_LOCK: { Integer afState = result.get(CaptureResult.CONTROL_AF_STATE); if (afState == null) { Log.d("peng", "11111111111111111111"); captureStillPicture(); } else if (CaptureResult.CONTROL_AF_STATE_FOCUSED_LOCKED == afState || CaptureResult.CONTROL_AF_STATE_NOT_FOCUSED_LOCKED == afState) { // CONTROL_AE_STATE can be null on some devices Integer aeState = result.get(CaptureResult.CONTROL_AE_STATE); if (aeState == null || aeState == CaptureResult.CONTROL_AE_STATE_CONVERGED) { mState = STATE_PICTURE_TAKEN; Log.d("peng", "2222222222222222"); captureStillPicture(); } else { runPrecaptureSequence(); } Log.d("peng", "7777777777777777778"); } break; } case STATE_WAITING_PRECAPTURE: { // CONTROL_AE_STATE can be null on some devices Integer aeState = result.get(CaptureResult.CONTROL_AE_STATE); if (aeState == null || aeState == CaptureResult.CONTROL_AE_STATE_PRECAPTURE || aeState == CaptureRequest.CONTROL_AE_STATE_FLASH_REQUIRED) { mState = STATE_WAITING_NON_PRECAPTURE; Log.d("peng", "33333333333333"); } break; } case STATE_WAITING_NON_PRECAPTURE: { // CONTROL_AE_STATE can be null on some devices Integer aeState = result.get(CaptureResult.CONTROL_AE_STATE); if (aeState == null || aeState != CaptureResult.CONTROL_AE_STATE_PRECAPTURE) { mState = STATE_PICTURE_TAKEN; Log.d("peng", "44444444444444444"); captureStillPicture(); } break; } } }@Override public void onCaptureProgressed(@NonNull CameraCaptureSession session, @NonNull CaptureRequest request, @NonNull CaptureResult partialResult) { Log.d("peng", "9999999999999999991"); process(partialResult); }@Override public void onCaptureCompleted(@NonNull CameraCaptureSession session, @NonNull CaptureRequest request, @NonNull TotalCaptureResult result) { //Log.d("peng", "88888888888888889"); process(result); }}; private void showToast(final String text) { final Activity activity = getActivity(); if (activity != null) { activity.runOnUiThread(new Runnable() { @Override public void run() { Toast.makeText(activity, text, Toast.LENGTH_SHORT).show(); } }); } }private static Size chooseOptimalSize(Size[] choices, int textureViewWidth, int textureViewHeight, int maxWidth, int maxHeight, Size aspectRatio) {// Collect the supported resolutions that are at least as big as the preview Surface List< Size> bigEnough = new ArrayList< > (); // Collect the supported resolutions that are smaller than the preview Surface List< Size> notBigEnough = new ArrayList< > (); int w = aspectRatio.getWidth(); int h = aspectRatio.getHeight(); for (Size option : choices) { if (option.getWidth() < = maxWidth & & option.getHeight() < = maxHeight & & option.getHeight() == option.getWidth() * h / w) { if (option.getWidth() > = textureViewWidth & & option.getHeight() > = textureViewHeight) { bigEnough.add(option); } else { notBigEnough.add(option); } } }// Pick the smallest of those big enough. If there is no one big enough, pick the // largest of those not big enough. if (bigEnough.size() > 0) { return Collections.min(bigEnough, new CompareSizesByArea()); } else if (notBigEnough.size() > 0) { return Collections.max(notBigEnough, new CompareSizesByArea()); } else { Log.e(TAG, "Couldn‘t find any suitable preview size"); return choices[0]; } }public static Camera2BasicFragment newInstance() { return new Camera2BasicFragment(); }@Override public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) { return inflater.inflate(R.layout.fragment_camera_basic, container, false); }@Override public void onViewCreated(final View view, Bundle savedInstanceState) { view.findViewById(R.id.start).setOnClickListener(this); view.findViewById(R.id.expanded_menu).setOnClickListener(this); mTextureView = (AutoFitTextureView) view.findViewById(R.id.texture); }@Override public void onActivityCreated(Bundle savedInstanceState) { super.onActivityCreated(savedInstanceState); dir = Environment.getExternalStoragePublicDirectory(Environment.DIRECTORY_DCIM + "/Camera2").getAbsoluteFile(); if (!dir.exists()) { dir.mkdirs(); }}@Override public void onResume() { super.onResume(); startBackgroundThread(); if (mTextureView.isAvailable()) { openCamera(mTextureView.getWidth(), mTextureView.getHeight(), outputWidth, outputHeight); } else { mTextureView.setSurfaceTextureListener(mSurfaceTextureListener); } }@Override public void onPause() { closeCamera(); stopBackgroundThread(); super.onPause(); }private void requestCameraPermission() { if (FragmentCompat.shouldShowRequestPermissionRationale(this, Manifest.permission.CAMERA)) { new ConfirmationDialog().show(getChildFragmentManager(), FRAGMENT_DIALOG); } else { FragmentCompat.requestPermissions(this, new String[]{Manifest.permission.CAMERA}, REQUEST_CAMERA_PERMISSION); } }@Override public void onRequestPermissionsResult(int requestCode, @NonNull String[] permissions, @NonNull int[] grantResults) { if (requestCode == REQUEST_CAMERA_PERMISSION) { if (grantResults.length != 1 || grantResults[0] != PackageManager.PERMISSION_GRANTED) { ErrorDialog.newInstance(getString(R.string.request_permission)) .show(getChildFragmentManager(), FRAGMENT_DIALOG); } } else { super.onRequestPermissionsResult(requestCode, permissions, grantResults); } }private void setUpCameraOutputs(int width, int height, int outputWid, int outputHei) { Activity activity = getActivity(); CameraManager manager = (CameraManager) activity.getSystemService(Context.CAMERA_SERVICE); try { for (String cameraId : manager.getCameraIdList()) { CameraCharacteristics characteristics = manager.getCameraCharacteristics(cameraId); // We don‘t use a front facing camera in this sample. Integer facing = characteristics.get(CameraCharacteristics.LENS_FACING); if (facing != null & & facing == CameraCharacteristics.LENS_FACING_FRONT) { continue; }StreamConfigurationMap map = characteristics.get( CameraCharacteristics.SCALER_STREAM_CONFIGURATION_MAP); if (map == null) { continue; } // For still image captures, we use the largest available size. Size largest = Collections.max( Arrays.asList(map.getOutputSizes(ImageFormat.YUV_420_888)), new CompareSizesByArea()); mImageReader = ImageReader.newInstance(outputWid, outputHei, ImageFormat.YUV_420_888, 30); mImageReader.setOnImageAvailableListener(mOnImageAvailableListener, mBackgroundHandler); // Find out if we need to swap dimension to get the preview size relative to sensor coordinate. int displayRotation = activity.getWindowManager().getDefaultDisplay().getRotation(); //noinspection ConstantConditions mSensorOrientation = characteristics.get(CameraCharacteristics.SENSOR_ORIENTATION); boolean swappedDimensions = false; switch (displayRotation) { case Surface.ROTATION_0: case Surface.ROTATION_180: if (mSensorOrientation == 90 || mSensorOrientation == 270) { swappedDimensions = true; } break; case Surface.ROTATION_90: case Surface.ROTATION_270: if (mSensorOrientation == 0 || mSensorOrientation == 180) { swappedDimensions = true; } break; default: Log.e(TAG, "Display rotation is invalid: " + displayRotation); }Point displaySize = new Point(); activity.getWindowManager().getDefaultDisplay().getSize(displaySize); int rotatedPreviewWidth = width; int rotatedPreviewHeight = height; int maxPreviewWidth = displaySize.x; int maxPreviewHeight = displaySize.y; if (swappedDimensions) { rotatedPreviewWidth = height; rotatedPreviewHeight = width; maxPreviewWidth = displaySize.y; maxPreviewHeight = displaySize.x; }if (maxPreviewWidth > MAX_PREVIEW_WIDTH) { maxPreviewWidth = MAX_PREVIEW_WIDTH; }if (maxPreviewHeight > MAX_PREVIEW_HEIGHT) { maxPreviewHeight = MAX_PREVIEW_HEIGHT; }mPreviewSize = chooseOptimalSize(map.getOutputSizes(SurfaceTexture.class), rotatedPreviewWidth, rotatedPreviewHeight, maxPreviewWidth, maxPreviewHeight, largest); // We fit the aspect ratio of TextureView to the size of preview we picked. int orientation = getResources().getConfiguration().orientation; if (orientation == Configuration.ORIENTATION_LANDSCAPE) { mTextureView.setAspectRatio( mPreviewSize.getWidth(), mPreviewSize.getHeight()); } else { mTextureView.setAspectRatio( mPreviewSize.getHeight(), mPreviewSize.getWidth()); }// Check if the flash is supported. Boolean available = characteristics.get(CameraCharacteristics.FLASH_INFO_AVAILABLE); mFlashSupported = available == null ? false : available; mCameraId = cameraId; return; } } catch (CameraAccessException e) { e.printStackTrace(); } catch (NullPointerException e) { // Currently an NPE is thrown when the Camera2API is used but not supported on the device this code runs. ErrorDialog.newInstance(getString(R.string.camera_error)) .show(getChildFragmentManager(), FRAGMENT_DIALOG); } }private void openCamera(int width, int height, int outputW, int outputH) { if (ContextCompat.checkSelfPermission(getActivity(), Manifest.permission.CAMERA) != PackageManager.PERMISSION_GRANTED) { requestCameraPermission(); return; } setUpCameraOutputs(width, height, outputW, outputH); configureTransform(width, height); Activity activity = getActivity(); CameraManager manager = (CameraManager) activity.getSystemService(Context.CAMERA_SERVICE); try { if (!mCameraOpenCloseLock.tryAcquire(2500, TimeUnit.MILLISECONDS)) { throw new RuntimeException("Time out waiting to lock camera opening."); } manager.openCamera(mCameraId, mStateCallback, mBackgroundHandler); } catch (CameraAccessException e) { e.printStackTrace(); } catch (InterruptedException e) { throw new RuntimeException("Interrupted while trying to lock camera opening.", e); } }private void closeCamera() { try { mCameraOpenCloseLock.acquire(); if (null != mCaptureSession) { mCaptureSession.close(); mCaptureSession = null; } if (null != mCameraDevice) { mCameraDevice.close(); mCameraDevice = null; } if (null != mImageReader) { mImageReader.close(); mImageReader = null; } } catch (InterruptedException e) { throw new RuntimeException("Interrupted while trying to lock camera closing.", e); } finally { mCameraOpenCloseLock.release(); } }private void startBackgroundThread() { mBackgroundThread = new HandlerThread("CameraBackground"); mBackgroundThread.start(); mBackgroundHandler = new Handler(mBackgroundThread.getLooper()); }private void stopBackgroundThread() { mBackgroundThread.quitSafely(); try { mBackgroundThread.join(); mBackgroundThread = null; mBackgroundHandler = null; } catch (InterruptedException e) { e.printStackTrace(); } }private void createCameraPreviewSession() { try { SurfaceTexture texture = mTextureView.getSurfaceTexture(); assert texture != null; // We configure the size of default buffer to be the size of camera preview we want. texture.setDefaultBufferSize(mPreviewSize.getWidth(), mPreviewSize.getHeight()); // This is the output Surface we need to start preview. Surface surface = new Surface(texture); // We set up a CaptureRequest.Builder with the output Surface. mPreviewRequestBuilder = mCameraDevice.createCaptureRequest(CameraDevice.TEMPLATE_PREVIEW); mPreviewRequestBuilder.addTarget(surface); // Here, we create a CameraCaptureSession for camera preview. mCameraDevice.createCaptureSession(Arrays.asList(surface, mImageReader.getSurface()), new CameraCaptureSession.StateCallback() {@Override public void onConfigured(@NonNull CameraCaptureSession cameraCaptureSession) { // The camera is already closed if (null == mCameraDevice) { return; }// When the session is ready, we start displaying the preview. mCaptureSession = cameraCaptureSession; try { // Auto focus should be continuous for camera preview. mPreviewRequestBuilder.set(CaptureRequest.CONTROL_AF_MODE, CaptureRequest.CONTROL_AF_MODE_CONTINUOUS_PICTURE); // Flash is automatically enabled when necessary. setAutoFlash(mPreviewRequestBuilder); // Finally, we start displaying the camera preview. mPreviewRequest = mPreviewRequestBuilder.build(); mCaptureSession.setRepeatingRequest(mPreviewRequest, mCaptureCallback, mBackgroundHandler); } catch (CameraAccessException e) { e.printStackTrace(); } }@Override public void onConfigureFailed( @NonNull CameraCaptureSession cameraCaptureSession) { showToast("Failed"); } }, null ); } catch (CameraAccessException e) { e.printStackTrace(); } }private void configureTransform(int viewWidth, int viewHeight) { Activity activity = getActivity(); if (null == mTextureView || null == mPreviewSize || null == activity) { return; } int rotation = activity.getWindowManager().getDefaultDisplay().getRotation(); Matrix matrix = new Matrix(); RectF viewRect = new RectF(0, 0, viewWidth, viewHeight); RectF bufferRect = new RectF(0, 0, mPreviewSize.getHeight(), mPreviewSize.getWidth()); float centerX = viewRect.centerX(); float centerY = viewRect.centerY(); if (Surface.ROTATION_90 == rotation || Surface.ROTATION_270 == rotation) { bufferRect.offset(centerX - bufferRect.centerX(), centerY - bufferRect.centerY()); matrix.setRectToRect(viewRect, bufferRect, Matrix.ScaleToFit.FILL); float scale = Math.max( (float) viewHeight / mPreviewSize.getHeight(), (float) viewWidth / mPreviewSize.getWidth()); matrix.postScale(scale, scale, centerX, centerY); matrix.postRotate(90 * (rotation - 2), centerX, centerY); } else if (Surface.ROTATION_180 == rotation) { matrix.postRotate(180, centerX, centerY); } mTextureView.setTransform(matrix); }private void takePicture() { Log.d("peng", "拍照啦！！！！！！！！！"); lockFocus(); }private void lockFocus() { Log.d("peng", "走了"); try { // This is how to tell the camera to lock focus. mPreviewRequestBuilder.set(CaptureRequest.CONTROL_AF_TRIGGER, CameraMetadata.CONTROL_AF_TRIGGER_START); // Tell #mCaptureCallback to wait for the lock. mState = STATE_WAITING_LOCK; Log.d("peng", "000000000000000"); mCaptureSession.capture(mPreviewRequestBuilder.build(), mCaptureCallback, mBackgroundHandler); } catch (CameraAccessException e) { Log.d("peng", "我日啊，有异常？"); e.printStackTrace(); } }private void runPrecaptureSequence() { try { // This is how to tell the camera to trigger. mPreviewRequestBuilder.set(CaptureRequest.CONTROL_AE_PRECAPTURE_TRIGGER, CaptureRequest.CONTROL_AE_PRECAPTURE_TRIGGER_START); // Tell #mCaptureCallback to wait for the precapture sequence to be set. mState = STATE_WAITING_PRECAPTURE; Log.d("peng", "33333333333333"); mCaptureSession.capture(mPreviewRequestBuilder.build(), mCaptureCallback, mBackgroundHandler); } catch (CameraAccessException e) { e.printStackTrace(); } }private void captureStillPicture() { try { final Activity activity = getActivity(); if (null == activity || null == mCameraDevice) { return; } Log.d("peng", "开始添加--------------------"); ArrayList< CaptureRequest> captureList = new ArrayList< > (); for (int i = 0 ; i < 100; i++){ CaptureRequest.Builder captureBuilder = mCameraDevice.createCaptureRequest(CameraDevice.TEMPLATE_STILL_CAPTURE); captureBuilder.set(CaptureRequest.CONTROL_AF_MODE, CaptureRequest.CONTROL_AF_MODE_CONTINUOUS_PICTURE); setAutoFlash(captureBuilder); captureBuilder.addTarget(mImageReader.getSurface()); // Orientation int rotation = activity.getWindowManager().getDefaultDisplay().getRotation(); captureBuilder.set(CaptureRequest.JPEG_ORIENTATION, getOrientation(rotation)); captureList.add(captureBuilder.build()); try { Thread.sleep(50); } catch (InterruptedException e) { e.printStackTrace(); } Log.d("peng", "添加了--------"+i+"条请求"); }CameraCaptureSession.CaptureCallback CaptureCallback = new CameraCaptureSession.CaptureCallback() { int mPictureCounter = 0; @Override public void onCaptureCompleted(CameraCaptureSession session, CaptureRequest request, TotalCaptureResult result) { Log.d("peng", "正在存第-----"+mPictureCounter+"张"); mPictureCounter++; if (mPictureCounter > = 250) { showToast("ooooooookkkkkkkkkkk"); Log.d("peng", "存储完成--------------------"); unlockFocus(); }} }; Log.d("peng", "准备存--------------------"); mCaptureSession.stopRepeating(); mCaptureSession.captureBurst(captureList, CaptureCallback, null); //mPreviewRequestBuilder.removeTarget(mImageReader.getSurface()); } catch (CameraAccessException e) { e.printStackTrace(); } }/** * Retrieves the JPEG orientation from the specified screen rotation. * * @param rotation The screen rotation. * @return The JPEG orientation (one of 0, 90, 270, and 360) */ private int getOrientation(int rotation) { // Sensor orientation is 90 for most devices, or 270 for some devices (eg. Nexus 5X) // We have to take that into account and rotate JPEG properly. // For devices with orientation of 90, we simply return our mapping from ORIENTATIONS. // For devices with orientation of 270, we need to rotate the JPEG 180 degrees. return (ORIENTATIONS.get(rotation) + mSensorOrientation + 270) % 360; }/** * Unlock the focus. This method should be called when still image capture sequence is * finished. */ private void unlockFocus() { try { mPreviewRequestBuilder.set(CaptureRequest.CONTROL_AF_TRIGGER, CameraMetadata.CONTROL_AF_TRIGGER_CANCEL); setAutoFlash(mPreviewRequestBuilder); mCaptureSession.capture(mPreviewRequestBuilder.build(), mCaptureCallback, mBackgroundHandler); mState = STATE_PREVIEW; mCaptureSession.setRepeatingRequest(mPreviewRequest, mCaptureCallback, mBackgroundHandler); } catch (CameraAccessException e) { e.printStackTrace(); } }@Override public void onClick(View view) { switch (view.getId()) { case R.id.start: { takePicture(); break; } case R.id.expanded_menu: { PopupMenu popup = new PopupMenu(getActivity(), view); getActivity().getMenuInflater().inflate(R.menu.resolutions_menu, popup.getMenu()); popup.setOnMenuItemClickListener(new PopupMenu.OnMenuItemClickListener() {@Override public boolean onMenuItemClick(MenuItem item) { switch (item.getItemId()) { case R.id.r640: outputWidth = 600; outputHeight = 480; Toast.makeText(getActivity(), "640*480", Toast.LENGTH_SHORT).show(); openCamera(mTextureView.getWidth(), mTextureView.getHeight(), outputWidth, outputHeight); break; case R.id.r800: outputWidth = 800; outputHeight = 600; Toast.makeText(getActivity(), "800*600", Toast.LENGTH_SHORT).show(); openCamera(mTextureView.getWidth(), mTextureView.getHeight(), outputWidth, outputHeight); break; case R.id.r960: outputWidth = 960; outputHeight = 540; Toast.makeText(getActivity(), "960*540", Toast.LENGTH_SHORT).show(); openCamera(mTextureView.getWidth(), mTextureView.getHeight(), outputWidth, outputHeight); break; case R.id.r1024: outputWidth = 1024; outputHeight = 768; Toast.makeText(getActivity(), "1024*768", Toast.LENGTH_SHORT).show(); openCamera(mTextureView.getWidth(), mTextureView.getHeight(), outputWidth, outputHeight); break; case R.id.r1080: outputWidth = 1080; outputHeight = 600; Toast.makeText(getActivity(), "1080*600", Toast.LENGTH_SHORT).show(); openCamera(mTextureView.getWidth(), mTextureView.getHeight(), outputWidth, outputHeight); break; case R.id.r1200: outputWidth = 1200; outputHeight = 900; Toast.makeText(getActivity(), "1200*900", Toast.LENGTH_SHORT).show(); openCamera(mTextureView.getWidth(), mTextureView.getHeight(), outputWidth, outputHeight); break; case R.id.r1280: outputWidth = 1280; outputHeight = 720; Toast.makeText(getActivity(), "1280*720", Toast.LENGTH_SHORT).show(); openCamera(mTextureView.getWidth(), mTextureView.getHeight(), outputWidth, outputHeight); break; case R.id.r1600: outputWidth = 1600; outputHeight = 1200; Toast.makeText(getActivity(), "1600*1200", Toast.LENGTH_SHORT).show(); openCamera(mTextureView.getWidth(), mTextureView.getHeight(), outputWidth, outputHeight); break; case R.id.r1920: outputWidth = 1920; outputHeight = 1080; Toast.makeText(getActivity(), "1920*1080", Toast.LENGTH_SHORT).show(); openCamera(mTextureView.getWidth(), mTextureView.getHeight(), outputWidth, outputHeight); break; } return false; } }); popup.show(); } } }private void setAutoFlash(CaptureRequest.Builder requestBuilder) { if (mFlashSupported) { requestBuilder.set(CaptureRequest.CONTROL_AE_MODE, CaptureRequest.CONTROL_AE_MODE_ON_AUTO_FLASH); } }private static class ImageSaver implements Runnable { private final Image mImage; public ImageSaver(Image image) { mImage = image; }@Override public void run() { ByteBuffer prebuffer = ByteBuffer.allocate(64); FileOutputStream output = null; ByteBuffer buffer = null; byte[] bytes = null; try { output = new FileOutputStream(dir + File.separator + System.currentTimeMillis() + ".yuv"); output.write(prebuffer.array()); // write meta information to file // Now write the actual planes. for (int i = 0; i < 3; i++) { buffer = mImage.getPlanes()[i].getBuffer(); bytes = new byte[buffer.remaining()]; // makes byte array large enough to hold image buffer.get(bytes); // copies image from buffer to byte array output.write(bytes); // write the byte array to file } } catch (FileNotFoundException e) { e.printStackTrace(); } catch (IOException e) { e.printStackTrace(); } finally { mImage.close(); // close this to free up buffer for other images if (null != output) { try { output.close(); } catch (IOException e) { e.printStackTrace(); } } } } }static class CompareSizesByArea implements Comparator< Size> {@Override public int compare(Size lhs, Size rhs) { // We cast here to ensure the multiplications won‘t overflow return Long.signum((long) lhs.getWidth() * lhs.getHeight() - (long) rhs.getWidth() * rhs.getHeight()); } }public static class ErrorDialog extends DialogFragment {private static final String ARG_MESSAGE = "message"; public static ErrorDialog newInstance(String message) { ErrorDialog dialog = new ErrorDialog(); Bundle args = new Bundle(); args.putString(ARG_MESSAGE, message); dialog.setArguments(args); return dialog; }@Override public Dialog onCreateDialog(Bundle savedInstanceState) { final Activity activity = getActivity(); return new AlertDialog.Builder(activity) .setMessage(getArguments().getString(ARG_MESSAGE)) .setPositiveButton(android.R.string.ok, new DialogInterface.OnClickListener() { @Override public void onClick(DialogInterface dialogInterface, int i) { activity.finish(); } }) .create(); }}public static class ConfirmationDialog extends DialogFragment {@Override public Dialog onCreateDialog(Bundle savedInstanceState) { final Fragment parent = getParentFragment(); return new AlertDialog.Builder(getActivity()) .setMessage(R.string.request_permission) .setPositiveButton(android.R.string.ok, new DialogInterface.OnClickListener() { @Override public void onClick(DialogInterface dialog, int which) { FragmentCompat.requestPermissions(parent, new String[]{Manifest.permission.CAMERA}, REQUEST_CAMERA_PERMISSION); } }) .setNegativeButton(android.R.string.cancel, new DialogInterface.OnClickListener() { @Override public void onClick(DialogInterface dialog, int which) { Activity activity = parent.getActivity(); if (activity != null) { activity.finish(); } } }) .create(); } }}

 

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