@SuppressLint("NewApi")
public void changeCameraFacing() {
// 切换前后摄像头
int cameraCount = 0;
CameraInfo cameraInfo = new CameraInfo();
cameraCount = Camera.getNumberOfCameras(); // 得到摄像头的个数
for (int i = 0; i < cameraCount; i++) {
Camera.getCameraInfo(i, cameraInfo); // 得到每一个摄像头的信息
if (cameraPosition == 1) {
// 现在是后置，变更为前置
if (cameraInfo.facing
== Camera.CameraInfo
.CAMERA_FACING_FRONT) { // 代表摄像头的方位，CAMERA_FACING_FRONT前置 CAMERA_FACING_BACK后置
mCamera.setPreviewCallback(null);
mCamera.stopPreview(); // 停掉原来摄像头的预览
mCamera.release(); // 释放资源
mCamera = null; // 取消原来摄像头
mCamera = Camera.open(i); // 打开当前选中的摄像头
try {
mCamera.setPreviewDisplay(mHolder); // 通过surfaceview显示取景画面
initParameters();
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
mCamera.startPreview(); // 开始预览
cameraPosition = 0;
break;
}
} else {
// 现在是前置， 变更为后置
if (cameraInfo.facing
== Camera.CameraInfo
.CAMERA_FACING_BACK) { // 代表摄像头的方位，CAMERA_FACING_FRONT前置 CAMERA_FACING_BACK后置
mCamera.setPreviewCallback(null);
mCamera.stopPreview(); // 停掉原来摄像头的预览
mCamera.release(); // 释放资源
mCamera = null; // 取消原来摄像头
mCamera = Camera.open(i); // 打开当前选中的摄像头
try {
mCamera.setPreviewDisplay(mHolder); // 通过surfaceview显示取景画面
initParameters();
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
mCamera.startPreview(); // 开始预览
cameraPosition = 1;
break;
}
}
}
}
@Override
public void onPictureTaken(byte[] data, Camera camera) {
File pictureFileDir = getDir();
if (!pictureFileDir.exists() && !pictureFileDir.mkdirs()) {
Log.d(DEBUG_TAG, "Can't create directory to save image.");
mToast.setText("Can't create directory to save image.");
mToast.show();
return;
}
SimpleDateFormat dateFormat = new SimpleDateFormat("yyyymmddhhmmss");
String date = dateFormat.format(new Date());
String photoFile = "Picture_" + date + "_" + photoCounter + ".jpg";
String filename = pictureFileDir.getPath() + File.separator + photoFile;
double lat = 0;
double lon = 0;
gpsHelper.getMyLocation();
if (gpsHelper.isGPSenabled()) {
lat = gpsHelper.getLatitude();
lon = gpsHelper.getLongitude();
String debugGps = String.valueOf(lat) + " " + String.valueOf(lon);
this.tv.setText(debugGps);
Log.d(DEBUG_TAG, debugGps);
mToast.setText(debugGps);
mToast.show();
} else {
Log.d(DEBUG_TAG, "GPS is not enabled.");
mToast.setText("GPS is not enabled.");
mToast.show();
}
(new WriteToFileTask(data, filename, lat, lon)).execute();
photoCounter++;
if (photoCounter < quantityPerStep) {
camera.startPreview();
camera.takePicture(null, null, this);
} else {
photoCounter = 0;
}
camera.startPreview();
}
@Override
public boolean onOptionsItemSelected(MenuItem item) {
// Handle item selection
switch (item.getItemId()) {
case R.id.switch_cam:
// Release this camera -> mCameraCurrentlyLocked
if (mCamera != null) {
mCamera.stopPreview();
mPreview.setCamera(null);
mCamera.release();
mCamera = null;
}
// Acquire the next camera and request Preview to reconfigure
// parameters.
mCamera = Camera.open((mCameraCurrentlyLocked + 1) % mNumberOfCameras);
mCameraCurrentlyLocked = (mCameraCurrentlyLocked + 1) % mNumberOfCameras;
mPreview.switchCamera(mCamera);
// Start the preview
mCamera.startPreview();
return true;
case android.R.id.home:
Intent intent = new Intent(this.getActivity(), MainActivity.class);
intent.addFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP | Intent.FLAG_ACTIVITY_SINGLE_TOP);
startActivity(intent);
default:
return super.onOptionsItemSelected(item);
}
}
private boolean openCamera(int id) {
boolean result = false;
cameraId = id;
releaseCamera();
try {
camera = Camera.open(cameraId);
} catch (Exception e) {
e.printStackTrace();
}
if (camera != null) {
try {
setUpCamera(camera);
camera.setErrorCallback(
new ErrorCallback() {
@Override
public void onError(int error, Camera camera) {}
});
camera.setPreviewDisplay(surfaceHolder);
camera.startPreview();
result = true;
} catch (IOException e) {
e.printStackTrace();
result = false;
releaseCamera();
}
}
return result;
}
/** Asks the camera hardware to begin drawing preview frames to the screen. */
public void startPreview() {
if (camera != null && !previewing) {
camera.setDisplayOrientation(90);
camera.startPreview();
previewing = true;
}
}
public void surfaceChanged(SurfaceHolder holder, int format, int w, int h) {
Log.e(TAG, "surfaceChanged => w=" + w + ", h=" + h);
// If your preview can change or rotate, take care of those events here.
// Make sure to stop the preview before resizing or reformatting it.
if (mHolder.getSurface() == null) {
// preview surface does not exist
return;
}
// stop preview before making changes
try {
mCamera.stopPreview();
} catch (Exception e) {
// ignore: tried to stop a non-existent preview
}
// set preview size and make any resize, rotate or reformatting changes here
// start preview with new settings
try {
Camera.Parameters parameters = mCamera.getParameters();
/* INSERT ZOOM HERE */
parameters.setPreviewSize(mPreviewSize.width, mPreviewSize.height);
parameters.setRotation(90);
mCamera.setParameters(parameters);
mCamera.setDisplayOrientation(90);
mCamera.setPreviewDisplay(mHolder);
mCamera.startPreview();
} catch (Exception e) {
Log.d(TAG, "Error starting camera preview: " + e.getMessage());
}
}
/** **************************************************************** about Camera */
public void surfaceChanged(SurfaceHolder holder, int format, int width, int height) {
Log.d(TAG, "---->>>>>>>>>> surfaceChanged()");
if (holder.getSurface() == null) {
Log.d(TAG, "---- surfaceChanged(), holder.getSurface() == null");
return;
}
mSurfaceHolder = holder;
try {
hasCamera = true;
nocamera.setVisibility(View.GONE);
mCameraDevice = Camera.open(mCurrentCameraId);
} catch (Exception e) {
hasCamera = false;
nocamera.setVisibility(View.VISIBLE);
mSwitchBut.setVisibility(View.GONE);
Log.e(TAG, " ____________- camera error");
return;
}
if (mHardwareRotation == 0) // XXX
mCameraDevice.setDisplayOrientation(90);
if (mCurrentCameraId == 1) mCameraDevice.setDisplayOrientation(270); // XXX
try {
mCameraDevice.setPreviewDisplay(mSurfaceHolder);
} catch (IOException e) {
e.printStackTrace();
}
mCameraDevice.startPreview();
}
public void surfaceChanged(SurfaceHolder holder, int format, int w, int h) {
if (mHolder.getSurface() == null) {
return;
}
// stop preview before making changes
try {
mCamera.stopPreview();
} catch (Exception e) {
// ignore: tried to stop a non-existent preview
}
if (mSupportedPreviewSizes != null) {
mPreviewSize = getOptimalPreviewSize(mSupportedPreviewSizes, w, h);
}
// start preview with new settings
try {
mCamera.setPreviewDisplay(mHolder);
Parameters params = mCamera.getParameters();
// params.setPreviewSize(mPreviewSize.width, mPreviewSize.height);
params.setPreviewSize(
mSupportedPreviewSizes.get(0).width, mSupportedPreviewSizes.get(0).height);
mCamera.setParameters(params);
mCamera.startPreview();
Log.d(TAG, "Preview Size: " + mPreviewSize.width + "X" + mPreviewSize.height);
} catch (Exception e) {
Log.d(TAG, "Error starting camera preview: " + e.getMessage());
}
}
public void surfaceChanged(SurfaceHolder holder, int format, int width, int height) {
/*
* If your preview can change or rotate, take care of those events here.
* Make sure to stop the preview before resizing or reformatting it.
*/
if (mHolder.getSurface() == null) {
// preview surface does not exist
return;
}
// stop preview before making changes
try {
mCamera.stopPreview();
} catch (Exception e) {
// ignore: tried to stop a non-existent preview
}
try {
// Hard code camera surface rotation 90 degs to match Activity view in portrait
mCamera.setDisplayOrientation(90);
mCamera.setPreviewDisplay(mHolder);
mCamera.setPreviewCallback(previewCallback);
mCamera.startPreview();
mCamera.autoFocus(autoFocusCallback);
} catch (Exception e) {
Log.d("DBG", "Error starting camera preview: " + e.getMessage());
}
}
public void startCamera() {
mCamera = Camera.open();
try {
Camera.Parameters parameters = mCamera.getParameters();
Display display =
((WindowManager) mContext.getSystemService(Context.WINDOW_SERVICE)).getDefaultDisplay();
if (display.getRotation() == Surface.ROTATION_0) {
// parameters.setPreviewSize(height, width);
mCamera.setDisplayOrientation(90);
}
if (display.getRotation() == Surface.ROTATION_90) {
// parameters.setPreviewSize(width, height);
}
if (display.getRotation() == Surface.ROTATION_180) {
// parameters.setPreviewSize(height, width);
}
if (display.getRotation() == Surface.ROTATION_270) {
// parameters.setPreviewSize(width, height);
mCamera.setDisplayOrientation(180);
}
mCamera.setParameters(parameters);
mCamera.setPreviewDisplay(surface_holder);
mCamera.startPreview();
cameraRunning = true;
} catch (IOException exception) {
mCamera.release();
mCamera = null;
}
}
public void surfaceChanged(SurfaceHolder holder, int format, int w, int h) {
mHolder.setFixedSize(w, h);
// Start the preview
Parameters params = mCamera.getParameters();
previewHeight = params.getPreviewSize().height;
previewWidth = params.getPreviewSize().width;
previewFormat = params.getPreviewFormat();
// Crop the edges of the picture to reduce the image size
r =
new Rect(
previewShrink,
previewShrink,
previewWidth - previewShrink,
previewHeight - previewShrink);
mCallbackBuffer = new byte[497664];
mCamera.setParameters(params);
mCamera.setPreviewCallbackWithBuffer(
new PreviewCallback() {
public void onPreviewFrame(byte[] imageData, Camera arg1) {
convWorker.nextFrame(imageData);
}
});
mCamera.addCallbackBuffer(mCallbackBuffer);
mCamera.startPreview();
setTorchMode(mTorchMode);
}
public void surfaceChanged(SurfaceHolder mholder, int format, int w, int h) {
// If your preview can change or rotate, take care of those events here.
// Make sure to stop the preview before resizing or reformatting it.
if (mHolder.getSurface() == null) {
// preview surface does not exist
return;
}
// stop preview before making changes
try {
mCamera.stopPreview();
} catch (Exception e) {
Log.d(LOG_TAG, "Unable to stop preview");
}
Parameters p = mCamera.getParameters();
mCamera.setDisplayOrientation(90);
mCamera.setParameters(p);
Log.d(LOG_TAG, "Surface changed");
// set preview size and make any resize, rotate or
// reformatting changes here
// start preview with new settings
try {
mCamera.setPreviewDisplay(mholder);
mCamera.startPreview();
Log.d(LOG_TAG, "Starting camera preview ");
} catch (IOException e) {
Log.d(LOG_TAG, "Error starting camera preview " + e.getMessage());
} catch (Exception e) {
Log.d(LOG_TAG, "Error 2 starting camera preview " + e.getMessage());
}
}
@Override
public void surfaceChanged(SurfaceHolder holder, int format, int width, int height) {
if (mHolder.getSurface() == null) {
// preview surface does not exist
return;
}
// stop preview before making changes
try {
mCamera.stopPreview();
} catch (Exception e) {
// ignore: tried to stop a non-existent preview
}
// Sets preview size.
Camera.Parameters parameters = mCamera.getParameters();
List<Camera.Size> sizes = parameters.getSupportedPreviewSizes();
Camera.Size cs = sizes.get(0);
parameters.setPreviewSize(cs.width, cs.height);
mCamera.setParameters(parameters);
// start preview with new settings
try {
mCamera.setPreviewDisplay(mHolder);
mCamera.startPreview();
} catch (Exception e) {
Log.d(TAG, "Error starting camera preview: " + e.getMessage());
}
Log.e(TAG, "SurfaceChanged.");
}
@Override
public int onStartCommand(Intent intent, int flags, int startId) {
Log.v("FlashlightService", "Starting Flash");
if (cam != null) return START_NOT_STICKY;
try {
cam = Camera.open();
Parameters p = cam.getParameters();
List<String> flashes = p.getSupportedFlashModes();
if (flashes == null) return error(this, R.string.err_available);
if (flashes.contains(Parameters.FLASH_MODE_TORCH))
p.setFlashMode(Parameters.FLASH_MODE_TORCH);
else if (flashes.contains(Parameters.FLASH_MODE_ON)) p.setFlashMode(Parameters.FLASH_MODE_ON);
else return error(this, R.string.err_available);
cam.setParameters(p);
// Needed for some devices.
cam.setPreviewTexture(new SurfaceTexture(0));
// Needed for some more devices.
cam.startPreview();
// Keep phone awake with screen off
wl =
((PowerManager) getSystemService(Context.POWER_SERVICE))
.newWakeLock(PowerManager.PARTIAL_WAKE_LOCK, "FlashlightService");
if (wl != null && !wl.isHeld()) wl.acquire();
return START_NOT_STICKY;
} catch (Exception e) {
return error(this, R.string.err_access);
}
}
@Override
public void onPictureTaken(byte[] data, Camera camera) {
// another way to create and write out a file, instead of what was done in picCapture
File pictureFile = getOutputMediaFile(MEDIA_TYPE_IMAGE);
if (pictureFile == null) {
Log.d(TAG, "Error creating media file, check storage permissions: ");
return;
}
Log.d(TAG, "File created as:" + pictureFile);
// write out the file.
try {
FileOutputStream fos = new FileOutputStream(pictureFile);
fos.write(data);
fos.close();
} catch (FileNotFoundException e) {
Log.d(TAG, "File not found: " + e.getMessage());
} catch (IOException e) {
Log.d(TAG, "Error accessing file: " + e.getMessage());
}
// new tell the system that the file exists , so it will show up in
// gallery/photos/whatever
ContentValues values = new ContentValues();
values.put(MediaStore.Images.Media.DATE_TAKEN, System.currentTimeMillis());
values.put(MediaStore.Images.Media.MIME_TYPE, "image/jpeg");
values.put(MediaStore.MediaColumns.DATA, pictureFile.toString());
getActivity()
.getContentResolver()
.insert(MediaStore.Images.Media.EXTERNAL_CONTENT_URI, values);
camera.startPreview(); // start backup the preview, once we have taken the picture.
}
public void surfaceChanged(SurfaceHolder holder, int format, int w, int h) {
// If your preview can change or rotate, take care of those events here.
// Make sure to stop the preview before resizing or reformatting it.
Log.i(TAG, "srface changed");
if (mHolder.getSurface() == null) {
// preview surface does not exist
return;
}
// stop preview before making changes
try {
mCamera.stopPreview();
} catch (Exception e) {
// ignore: tried to stop a non-existent preview
}
// set preview size and make any resize, rotate or
// reformatting changes here
// start preview with new settings
try {
mCamera.setPreviewDisplay(mHolder);
mCamera.startPreview();
} catch (Exception e) {
Log.d(TAG, "Error starting camera preview: " + e.getMessage());
}
}
// Called when holder has changed
public void surfaceChanged(SurfaceHolder holder, int format, int w, int h) {
Camera.Parameters parameters = camera.getParameters();
List<String> focusModes = parameters.getSupportedFocusModes();
if (focusModes.contains(Camera.Parameters.FOCUS_MODE_AUTO)) {
Log.d("camera", "focus_mode_auto");
parameters.setFocusMode(Camera.Parameters.FOCUS_MODE_AUTO);
} else {
Log.d("camera", "focus_mode_macro");
parameters.setFocusMode(Camera.Parameters.FOCUS_MODE_MACRO);
}
Log.d("camera", "orientation: " + getResources().getConfiguration().orientation);
int orientation = getResources().getConfiguration().orientation;
switch (orientation) {
case Surface.ROTATION_0:
Log.d("camera", "ROTATION_0");
camera.setDisplayOrientation(180);
break;
case Surface.ROTATION_90:
Log.d("camera", "ROTATION_90");
camera.setDisplayOrientation(90);
break;
case Surface.ROTATION_180:
Log.d("camera", "ROTATION_180");
camera.setDisplayOrientation(0);
break;
case Surface.ROTATION_270:
Log.d("camera", "ROTATION_270");
camera.setDisplayOrientation(270);
break;
}
camera.setParameters(parameters);
camera.startPreview();
}
protected synchronized void updateCamera() throws RuntimeException {
// The camera is already correctly configured
if (mUpdated) return;
if (mPreviewStarted) {
mPreviewStarted = false;
mCamera.stopPreview();
}
Parameters parameters = mCamera.getParameters();
mQuality = VideoQuality.determineClosestSupportedResolution(parameters, mQuality);
int[] max = VideoQuality.determineMaximumSupportedFramerate(parameters);
double ratio = (double) mQuality.resX / (double) mQuality.resY;
mSurfaceView.requestAspectRatio(ratio);
parameters.setPreviewFormat(mCameraImageFormat);
parameters.setPreviewSize(mQuality.resX, mQuality.resY);
parameters.setPreviewFpsRange(max[0], max[1]);
try {
mCamera.setParameters(parameters);
mCamera.setDisplayOrientation(mOrientation);
mCamera.startPreview();
mPreviewStarted = true;
mUpdated = true;
} catch (RuntimeException e) {
destroyCamera();
throw e;
}
}
@Override
public void onPictureTaken(byte[] data, Camera camera) {
String filename = makeFileName();
if (filename == "") {
return;
}
File pictureFile = new File(filename);
try {
FileOutputStream fos = new FileOutputStream(pictureFile);
fos.write(data);
fos.close();
Toast.makeText(context, "New Image saved: ", Toast.LENGTH_LONG).show();
} catch (Exception error) {
// write error to logcat
Log.d(DEBUG_TAG, "File" + filename + "not saved: " + error.getMessage());
// toast to inform user of issue
Toast.makeText(context, "Image could not be saved.", Toast.LENGTH_LONG).show();
}
// Restart the preview and re-enable the shutter button so that we can take another picture
camera.startPreview();
shutterButton.setEnabled(true);
Intent previewIntent = new Intent(this, PreviewActivity.class);
previewIntent.putExtra("PhotoFile", filename);
startActivity(previewIntent);
}
private void changeMes() {
preview.removeAllViews();
mCamera.setPreviewCallback(new PreviewCallback(tv_values3, preview));
mCamera.startPreview();
mPreview = new CameraPreview(this, mCamera);
preview.addView(mPreview);
}
public void onPictureTaken(byte[] data, Camera camera) {
FileOutputStream outStream = null;
Intent mIntent = new Intent();
if (data != null) {
try {
// Gets the root of the external storage directory
File root = Environment.getExternalStorageDirectory();
// Check to see if the app can write to external storage
if (root.canWrite()) {
// Appends the directory we want to use
File f = new File(root + "/DCIM/camera_example/");
// Creates the directory
f.mkdirs();
// Create an output stream to actually write the data
// from the image to the directory specified
outStream =
new FileOutputStream(
root + "/DCIM/camera_example/" + System.currentTimeMillis() + ".jpg");
outStream.write(data);
outStream.close();
Log.d(TAG, "onPictureTaken - wrote bytes: " + data.length);
Toast.makeText(ctx, "Picture saved...", Toast.LENGTH_SHORT).show();
}
} catch (FileNotFoundException e) {
e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
} finally {
mCamera.startPreview();
setResult(FOTO_MODE, mIntent);
notTakingPic = true;
}
}
}
@Override
public void surfaceCreated(SurfaceHolder holder) {
try {
// open the camera
camera = Camera.open(1);
} catch (RuntimeException e) {
// check for exceptions
System.err.println(e);
return;
}
Camera.Parameters param;
param = camera.getParameters();
// modify parameter
param.setPreviewSize(352, 288);
camera.setParameters(param);
try {
// The Surface has been created, now tell the camera where to draw
// the preview.
camera.setPreviewDisplay(surfaceHolder);
camera.setDisplayOrientation(90);
camera.startPreview();
} catch (Exception e) {
// check for exceptions
System.err.println(e);
return;
}
}
/**
* Opens the camera and starts sending preview frames to the underlying detector. The preview
* frames are not displayed.
*
* @throws IOException if the camera's preview texture or display could not be initialized
*/
@RequiresPermission(Manifest.permission.CAMERA)
public CameraSource start() throws IOException {
synchronized (mCameraLock) {
if (mCamera != null) {
return this;
}
mCamera = createCamera();
// SurfaceTexture was introduced in Honeycomb (11), so if we are running and
// old version of Android. fall back to use SurfaceView.
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.HONEYCOMB) {
mDummySurfaceTexture = new SurfaceTexture(DUMMY_TEXTURE_NAME);
mCamera.setPreviewTexture(mDummySurfaceTexture);
} else {
mDummySurfaceView = new SurfaceView(mContext);
mCamera.setPreviewDisplay(mDummySurfaceView.getHolder());
}
mCamera.startPreview();
mProcessingThread = new Thread(mFrameProcessor);
mFrameProcessor.setActive(true);
mProcessingThread.start();
}
return this;
}
/**
* Sets the up camera to be connected to GPUImage to get a filtered preview.
*
* @param camera the camera
* @param degrees by how many degrees the image should be rotated
* @param flipHorizontal if the image should be flipped horizontally
* @param flipVertical if the image should be flipped vertically
*/
public void setUpCamera(
final Camera camera,
final int degrees,
final boolean flipHorizontal,
final boolean flipVertical) {
mGlSurfaceView.setRenderMode(GLSurfaceView.RENDERMODE_CONTINUOUSLY);
if (Build.VERSION.SDK_INT > Build.VERSION_CODES.GINGERBREAD_MR1) {
setUpCameraGingerbread(camera);
} else {
camera.setPreviewCallback(mRenderer);
camera.startPreview();
}
Rotation rotation = Rotation.NORMAL;
switch (degrees) {
case 90:
rotation = Rotation.ROTATION_90;
break;
case 180:
rotation = Rotation.ROTATION_180;
break;
case 270:
rotation = Rotation.ROTATION_270;
break;
}
mRenderer.setRotationCamera(rotation, flipHorizontal, flipVertical);
}
/** 给摄像头设置好一系列相关参数，并开始预览 */
private void initCamera() {
azLog.log("isPreView", "" + isPreview);
if (mCamera != null && !isPreview) {
try {
Camera.Parameters parameters = mCamera.getParameters();
// 设置预览照片的大小
parameters.setPreviewSize(mPreviewWidth, mPreviewHeight);
// 设置预览照片时每秒显示多少帧的最小值和最大值
parameters.setPreviewFpsRange(mFrameMin, mFrameMax);
// 设置图片格式
parameters.setPictureFormat(mImageFormat);
// 设置JPG照片的质量
parameters.set("jpeg-quality", mImageQuality);
// 设置照片的大小
parameters.setPictureSize(mPictureWidth, mPictureHeight);
// 通过SurfaceView显示取景画面
mCamera.setPreviewDisplay(mSurfaceHolder);
// 开始预览
mCamera.startPreview();
azLog.log("AzCamera", "摄像头打开");
} catch (IOException e) {
e.printStackTrace();
}
isPreview = true;
}
}
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_camera);
setRequestedOrientation(ActivityInfo.SCREEN_ORIENTATION_PORTRAIT);
mContext = CameraActivity.this;
mUsersSQL = "select a.[CORPNO], a.[OPERNO], a.[OPERPASS] from b_opera a;";
mSearchUsersSQL = "select count(*) from b_opera a where a.[CORPNO] = ? and a.[OPERNO] = ?;";
mInsertOperaSQL = "INSERT INTO B_OPERA (CORPNO, OPERNO, OPERPASS) VALUES(?, ?, ?, ?, ?);";
mInsertDownInfoSQL =
"INSERT INTO B_LOGININFO (CORPNO, PROJDESC, DOWNURL, UPLOADURL, DBFILENAME, DOWNTIME) VALUES(?, ?, ?, ?, ?, ?);";
mDownLoadInfoSQL =
"select a.[CORPNO], a.[PROJDESC], a.[DOWNURL], a.[UPLOADURL], a.[DBFILENAME] from b_logininfo a;";
autoFocusHandler = new Handler();
mCamera = getCameraInstance();
/* Instance barcode scanner */
scanner = new ImageScanner();
scanner.setConfig(0, Config.X_DENSITY, 3);
scanner.setConfig(0, Config.Y_DENSITY, 3);
Log.i(TAG, "CameraActivity onCreate()");
mPreview = new CameraPreview(this, mCamera, previewCb, autoFocusCB);
FrameLayout preview = (FrameLayout) findViewById(R.id.cameraPreview);
preview.addView(mPreview);
mCamera.setPreviewCallback(previewCb);
mCamera.startPreview();
previewing = true;
mCamera.autoFocus(autoFocusCB);
// 初始化声音和震动
AudioManager audioService = (AudioManager) getSystemService(AUDIO_SERVICE);
// 如果手机是震动模式就震动
if (audioService.getRingerMode() != AudioManager.RINGER_MODE_NORMAL) {
playBeep = false;
}
// 初始化声音
initBeepSound();
initLoginDataBase();
// MyApp.showToast(CameraActivity.this, "hello");
Button mButtonBack = (Button) findViewById(R.id.button_back);
/*返回按钮*/
mButtonBack.setOnClickListener(
new View.OnClickListener() {
@Override
public void onClick(View v) {
Intent intent = new Intent();
intent.putExtra("downloadfile", "");
setResult(RESULT_OK, intent);
finish();
}
});
}
private void startPreview() {
if (mPausing || mMainActivity.isFinishing()) return;
ensureCameraDevice();
// If we're previewing already, stop the preview first (this will blank
// the screen).
if (mPreviewing) stopPreview();
setPreviewDisplay(mSurfaceHolder);
setCameraParameters();
// mCameraDevice.setPreviewCallback(mPreviewCallback);
mCameraDevice.setPreviewCallback(cb);
try {
Log.v(TAG, "startPreview");
mCameraDevice.startPreview();
} catch (Throwable ex) {
closeCamera();
throw new RuntimeException("startPreview failed", ex);
}
mPreviewing = true;
mStatus = IDLE;
}
private void initCamera() {
if (!isPreview) {
camera = Camera.open();
}
if (camera != null && !isPreview) {
streamIt = new StreamIt();
try {
Camera.Parameters parameters = camera.getParameters();
parameters.setPreviewSize(screenWidth, screenHeight); // 设置预览照片的大小
parameters.setPreviewFpsRange(20, 30); // 每秒显示20~30帧
parameters.setPictureFormat(ImageFormat.NV21); // 设置图片格式
parameters.setPictureSize(screenWidth, screenHeight); // 设置照片的大小
camera.setPreviewDisplay(surfaceHolder); // 通过SurfaceView显示取景画面
camera.setPreviewCallback(streamIt); // 设置回调的类
camera.startPreview(); // 开始预览
camera.autoFocus(null); // 自动对焦
} catch (Exception e) {
e.printStackTrace();
}
isPreview = true;
Thread postThread2 = new Thread(new postThread());
postThread2.start();
System.out.println("线程启动了@@@@@@@@@@@@@@@@@@@@@@@@@@");
}
}
public void onPictureTaken(byte[] data, Camera arg1) {
if (data != null) {
PictureTaken = true;
// Extract the bitmap from data
Bitmap bitmap = BitmapFactory.decodeByteArray(data, 0, data.length);
// Only select the region we want
bitmap =
ThumbnailUtils.extractThumbnail(
bitmap, bitmap.getWidth() / 9, bitmap.getHeight() / 3);
// Rotate the bitmap
Matrix matrix = new Matrix();
matrix.postRotate(90);
bitmap =
Bitmap.createBitmap(
bitmap, 0, 0, bitmap.getWidth(), bitmap.getHeight(), matrix, true);
// Convert it back to byte array data
ByteArrayOutputStream stream = new ByteArrayOutputStream();
bitmap.compress(Bitmap.CompressFormat.PNG, 100, stream);
byte[] bmArray = stream.toByteArray(); // Get the underlying pixel bytes array
image = bmArray;
if (image != null) {
Toast.makeText(getActivity(), "Photo Taken", Toast.LENGTH_SHORT).show();
}
}
cameraObject.startPreview();
}
public void surfaceChanged(SurfaceHolder holder, int format, int w, int h) {
// If your preview can change or rotate, take care of those events here.
// Make sure to stop the preview before resizing or reformatting it.
if (mHolder.getSurface() == null) {
// preview surface does not exist
return;
}
// stop preview before making changes
try {
mCamera.stopPreview();
} catch (Exception e) {
// ignore: tried to stop a non-existent preview
}
// set preview size and make any resize, rotate or
// reformatting changes here
// start preview with new settings
try {
Camera.Parameters parameters = mCamera.getParameters();
setCameraDisplayOrientation(
((Activity) this.getContext()), Camera.CameraInfo.CAMERA_FACING_FRONT, mCamera);
mCamera.setParameters(parameters);
mCamera.setPreviewCallback(previewCallback);
mCamera.setPreviewDisplay(mHolder);
mCamera.startPreview();
} catch (Exception e) {
Log.d(TAG, "Error starting camera preview: " + e.getMessage());
}
}
