public int setCameraProperty(String key, String value) {
if (mCamera == null) {
return MAAPI_consts.MA_CAMERA_RES_FAILED;
}
try {
Camera.Parameters param = getCurrentParameters();
if (key.equals(MAAPI_consts.MA_CAMERA_IMAGE_FORMAT)) {
if (value.equals(MAAPI_consts.MA_CAMERA_IMAGE_RAW)) {
rawMode = true;
} else {
// default mode is jpeg
rawMode = false;
}
} else if (key.equals(MAAPI_consts.MA_CAMERA_FOCUS_MODE)) {
if (value.equals(MAAPI_consts.MA_CAMERA_FOCUS_AUTO)) {
if (false == param.getSupportedFocusModes().contains(value)) {
return MAAPI_consts.MA_CAMERA_RES_VALUE_NOTSUPPORTED;
}
mCamera.autoFocus(autoFocusCallback);
} else if (value.equals(MAAPI_consts.MA_CAMERA_FOCUS_MACRO)) {
if (false == param.getSupportedFocusModes().contains(value)) {
return MAAPI_consts.MA_CAMERA_RES_VALUE_NOTSUPPORTED;
}
mCamera.autoFocus(autoFocusCallback);
} else if (false == param.getSupportedFocusModes().contains(value)) {
mCamera.cancelAutoFocus();
return MAAPI_consts.MA_CAMERA_RES_VALUE_NOTSUPPORTED;
} else mCamera.cancelAutoFocus();
param.setFocusMode(value);
} else if (key.equals(MAAPI_consts.MA_CAMERA_FLASH_MODE)) {
if (true == param.getSupportedFlashModes().contains(value)) {
param.setFlashMode(value);
} else {
return MAAPI_consts.MA_CAMERA_RES_VALUE_NOTSUPPORTED;
}
} else {
param.set(key, value);
}
mCamera.setParameters(param);
} catch (Exception e) {
return MAAPI_consts.MA_CAMERA_RES_FAILED;
}
return MAAPI_consts.MA_CAMERA_RES_OK;
}
/*
the camera hardware to perform an autofocus
*/
public void requestAutoFocus(Handler handler, int message) {
if (camera != null && previewing) {
autoFocusHandler = handler;
autoFocusMessage = message;
camera.autoFocus(autoFocusCallback);
}
}
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();
}
});
}
/**
* Asks the camera hardware to perform an autofocus.
*
* @param handler The Handler to notify when the autofocus completes.
* @param message The message to deliver.
*/
public void requestAutoFocus(Handler handler, int message) {
if (camera != null && previewing) {
autoFocusCallback.setHandler(handler, message);
// Log.d(TAG, "Requesting auto-focus callback");
camera.autoFocus(autoFocusCallback);
}
}
// 停止拍照，并将拍摄的照片传入PictureCallback接口的onPictureTaken方法
public void takePicture() {
// Log.e(TAG, "==takePicture==");
if (mCamera != null) {
// 自动对焦
mCamera.autoFocus(
new AutoFocusCallback() {
@Override
public void onAutoFocus(boolean success, Camera camera) {
if (null != listener) {
try {
success = true; // 我这里把他设为true了，其实
listener.onAutoFocus(success);
} catch (Exception e) {
// TODO: handle exception
e.printStackTrace();
success = true;
}
}
// 自动对焦成功后才拍摄
if (success || cameraPosition == 0) {
camera.takePicture(null, null, pictureCallback);
} else {
// AppToast.showShortText(mContext, "焦距不准，请重拍！");
}
}
});
}
}
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());
}
}
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 takeCroppedPicture(final CroppedPictureCallback callback) {
if (!opened) throw new IllegalStateException("Camera not opened yet");
final Camera.PictureCallback pictureCallback =
new Camera.PictureCallback() {
@Override
public void onPictureTaken(byte[] data, Camera cam) {
previewing = false;
int pictureWidth, pictureHeight;
if (cameraRotation == 90 || cameraRotation == 270) {
pictureWidth = pictureSize.height;
pictureHeight = pictureSize.width;
} else {
pictureWidth = pictureSize.width;
pictureHeight = pictureSize.height;
}
if (CROP_PREVIEW) { // The preview was cropped
double scaleFactor, widthOffset, heightOffset;
if (layoutWidth * pictureHeight > layoutHeight * pictureWidth) {
scaleFactor = (double) pictureWidth / (double) layoutWidth;
widthOffset = 0;
heightOffset = (pictureHeight - layoutHeight * scaleFactor) / 2;
} else {
scaleFactor = (double) pictureHeight / (double) layoutHeight;
widthOffset = (pictureWidth - layoutWidth * scaleFactor) / 2;
heightOffset = 0;
}
callback.onPictureCropped(
Image.fromCroppedData(
data,
cameraRotation,
(int) (Edge.LEFT.getCoordinate() * scaleFactor + widthOffset),
(int) (Edge.TOP.getCoordinate() * scaleFactor + heightOffset),
(int) (Edge.getWidth() * scaleFactor),
(int) (Edge.getHeight() * scaleFactor)));
} else { // The preview was stretched
final double scaleFactorHorizontal = (double) pictureWidth / (double) layoutWidth;
final double scaleFactorVertical = (double) pictureHeight / (double) layoutHeight;
callback.onPictureCropped(
Image.fromCroppedData(
data,
cameraRotation,
(int) (Edge.LEFT.getCoordinate() * scaleFactorHorizontal),
(int) (Edge.TOP.getCoordinate() * scaleFactorVertical),
(int) (Edge.getWidth() * scaleFactorHorizontal),
(int) (Edge.getHeight() * scaleFactorVertical)));
}
}
};
final Camera.AutoFocusCallback autoFocusCallback =
new Camera.AutoFocusCallback() {
@Override
public void onAutoFocus(boolean success, Camera cam) {
camera.takePicture(null, null, pictureCallback);
}
};
joinPreviewStarter();
if (autofocus) camera.autoFocus(autoFocusCallback);
else camera.takePicture(null, null, pictureCallback);
}
public void playFlash(boolean isFlash) {
this.IsFlash = isFlash;
if (Deviceinfo.getFlashAvailableOnDevice(activity)) {
Parameters param = cam.getParameters();
List<String> supportedFlashModes = param.getSupportedFlashModes();
PrintLog.print(activity.getApplicationContext(), supportedFlashModes.toString());
// For Support Mode Torch
if (supportedFlashModes != null
&& supportedFlashModes.contains(Camera.Parameters.FLASH_MODE_TORCH)) {
if (isFlash) {
param.setFlashMode(Camera.Parameters.FLASH_MODE_TORCH);
} else {
param.setFlashMode(Camera.Parameters.FLASH_MODE_OFF);
}
cam.setParameters(param);
} else {
// For unSupport Mode Torch
if (isFlash) {
if (devicearraydata[0].equals("GT-S5830")) {
param.setFlashMode(Parameters.FLASH_MODE_ON);
cam.setParameters(param);
cam.autoFocus(
new Camera.AutoFocusCallback() {
public void onAutoFocus(final boolean success, Camera camera) {}
});
cam.startPreview();
param = cam.getParameters();
param.setFlashMode(Parameters.FLASH_MODE_OFF);
cam.setParameters(param);
}
} else {
if (devicearraydata[0].equals("GT-S5830")) {
param.setFlashMode(Parameters.FLASH_MODE_ON);
cam.setParameters(param);
cam.autoFocus(
new Camera.AutoFocusCallback() {
public void onAutoFocus(final boolean success, Camera camera) {}
});
cam.startPreview();
}
}
}
} else {
PrintLog.print(activity.getApplicationContext(), "Not Found Flash On Device.");
}
}
public void safeAutoFocus() {
try {
mCamera.autoFocus(autoFocusCB);
} catch (RuntimeException re) {
// Horrible hack to deal with autofocus errors on Sony devices
// See https://github.com/dm77/barcodescanner/issues/7 for example
scheduleAutoFocus(); // wait 1 sec and then do check again
}
}
private void autoFocus() {
// Initiate autofocus only when preview is started and snapshot is not
// in progress.
if (canTakePicture()) {
mFocusStartTime = System.currentTimeMillis();
mFocusState = FOCUSING;
updateFocusIndicator();
mCameraDevice.autoFocus(mAutoFocusCallback);
}
}
@Override
public void run() {
camera.autoFocus(
new Camera.AutoFocusCallback() {
@Override
public void onAutoFocus(final boolean success, final Camera camera) {
// schedule again
cameraHandler.postDelayed(AutoFocusRunnable.this, AUTO_FOCUS_INTERVAL_MS);
}
});
}
synchronized void start() {
if (useAutoFocus) {
active = true;
try {
camera.autoFocus(this);
} catch (RuntimeException re) {
// Have heard RuntimeException reported in Android 4.0.x+; continue?
Log.w(TAG, "Unexpected exception while focusing", re);
}
}
}
/** 按下快门一瞬间 */
@Override
public void capture() {
if (mCamera != null) {
// 控制摄像头自动对焦后才拍照，仅限于后置摄像头
if (mCameraType == 0) {
mCamera.autoFocus(autoFocusCallback);
}
// 前置摄像头有可能没有自动对焦功能
mCamera.takePicture(null, null, mPictureCallback);
}
}
/**
* Asks the camera hardware to perform an autofocus.
*
* @param handler The Handler to notify when the autofocus completes.
* @param message The message to deliver.
*/
public void requestAutoFocus(Handler handler, int message) {
if (camera != null && previewing) {
autoFocusCallback.setHandler(handler, message);
try {
camera.autoFocus(autoFocusCallback);
} catch (RuntimeException re) {
// Have heard RuntimeException reported in Android 4.0.x+;
// continue?
Log.w(TAG, "Unexpected exception while focusing", re);
}
}
}
/** Take picture. */
private void takePicture() {
notTakingPic = false;
try {
// Try to auto-focus
mCamera.autoFocus(onFocus);
} catch (RuntimeException e) {
e.printStackTrace();
// If auto-focus didn't work, call the take picture method using the
// jpegCallback variable
mCamera.takePicture(null, null, jpegCallback);
}
}
/**
* Starts camera auto-focus and registers a callback function to run when the camera is focused.
* This method is only valid when preview is active (between {@link #start()} or {@link
* #start(SurfaceHolder)} and before {@link #stop()} or {@link #release()}).
*
* <p>
*
* <p>Callers should check {@link #getFocusMode()} to determine if this method should be called.
* If the camera does not support auto-focus, it is a no-op and {@link
* AutoFocusCallback#onAutoFocus(boolean)} callback will be called immediately.
*
* <p>
*
* <p>If the current flash mode is not {@link Camera.Parameters#FLASH_MODE_OFF}, flash may be
* fired during auto-focus, depending on the driver and camera hardware.
*
* <p>
*
* @param cb the callback to run
* @see #cancelAutoFocus()
*/
public void autoFocus(@Nullable AutoFocusCallback cb) {
synchronized (mCameraLock) {
if (mCamera != null) {
CameraAutoFocusCallback autoFocusCallback = null;
if (cb != null) {
autoFocusCallback = new CameraAutoFocusCallback();
autoFocusCallback.mDelegate = cb;
}
mCamera.autoFocus(autoFocusCallback);
}
}
}
@Override
public void onClick(View arg0) {
// TODO Auto-generated method stub
switch (arg0.getId()) {
case R.id.zoom_img:
mCamera.autoFocus(mAutoFocusCallback);
mZoomImg.setBackgroundResource(R.drawable.capture);
break;
case R.id.left_frame:
startWebActivity("http://wafm.sinosns.cn/");
break;
}
}
/** Called from PreviewSurfaceView to set touch focus. */
public void onTouchFocus(Rect touchFocusRect) {
List<Camera.Area> focusList = new ArrayList<>();
Camera.Area focusArea = new Camera.Area(touchFocusRect, 1000);
focusList.add(focusArea);
Camera.Parameters cameraParams = camera.getParameters();
cameraParams.setFocusAreas(focusList);
cameraParams.setMeteringAreas(focusList);
camera.setParameters(cameraParams);
camera.autoFocus(autoFocusCallback);
}
/**
* 设置焦点和测光区域
*
* @param event
*/
public void focusOnTouch(MotionEvent event) {
try {
if (mCamera == null) {
return;
}
Camera.Parameters parameters = mCamera.getParameters();
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.ICE_CREAM_SANDWICH) {
int[] location = new int[2];
mSurfaceView.getLocationOnScreen(location);
Rect focusRect =
calculateTapArea(
view_focus.getWidth(),
view_focus.getHeight(),
1f,
event.getRawX(),
event.getRawY(),
location[0],
location[0] + mSurfaceView.getWidth(),
location[1],
location[1] + mSurfaceView.getHeight());
Rect meteringRect =
calculateTapArea(
view_focus.getWidth(),
view_focus.getHeight(),
1.5f,
event.getRawX(),
event.getRawY(),
location[0],
location[0] + mSurfaceView.getWidth(),
location[1],
location[1] + mSurfaceView.getHeight());
if (parameters.getMaxNumFocusAreas() > 0) {
List<Camera.Area> focusAreas = new ArrayList<Camera.Area>();
focusAreas.add(new Camera.Area(focusRect, 1000));
parameters.setFocusAreas(focusAreas);
}
if (parameters.getMaxNumMeteringAreas() > 0) {
List<Camera.Area> meteringAreas = new ArrayList<Camera.Area>();
meteringAreas.add(new Camera.Area(meteringRect, 1000));
parameters.setMeteringAreas(meteringAreas);
}
}
parameters.setFocusMode(Camera.Parameters.FOCUS_MODE_AUTO);
mCamera.setParameters(parameters);
mCamera.autoFocus(this);
} catch (Exception e) {
e.printStackTrace();
}
}
public void capturePhoto() throws Exception {
if (autoFocusEnabled) {
mCamera.autoFocus(
new Camera.AutoFocusCallback() {
@Override
public void onAutoFocus(boolean success, Camera camera) {
if (success) mCamera.takePicture(null, null, mPicture);
}
});
} else {
mCamera.takePicture(null, null, mPicture);
}
// mCamera.takePicture(null, null, mPicture);
}
// 设置相机的属性 抓取图像
private void setCameraParameters() {
Camera.Parameters caParameters = camera.getParameters();
caParameters.setPictureFormat(ImageFormat.JPEG);
caParameters.setPreviewSize(400, 500);
caParameters.setFocusMode(Camera.Parameters.FOCUS_MODE_AUTO);
camera.autoFocus(
new Camera.AutoFocusCallback() {
@Override
public void onAutoFocus(boolean success, Camera camera) {
if (success) {
camera.takePicture(null, null, pictureCallback);
}
}
});
}
synchronized void start() {
if (useAutoFocus) {
outstandingTask = null;
if (!stopped && !focusing) {
try {
camera.autoFocus(this);
focusing = true;
} catch (RuntimeException re) {
// Have heard RuntimeException reported in Android 4.0.x+; continue?
Log.w(TAG, "Unexpected exception while focusing", re);
// Try again later to keep cycle going
autoFocusAgainLater();
}
}
}
}
@Override
public void onClick(View view) {
if (view.getId() == R.id.rootFrame) {
if (mCamera == null) return;
mCamera.cancelAutoFocus();
mCamera.autoFocus(
new Camera.AutoFocusCallback() {
@Override
public void onAutoFocus(boolean success, Camera camera) {
if (!success)
Toast.makeText(getActivity(), "Unable to auto-focus!", Toast.LENGTH_SHORT).show();
}
});
} else {
super.onClick(view);
}
}
public void playAutoFocus(boolean isFocus) {
if (isFocus) {
if (devicearraydata[0].equals("GT-S7562")) {
if (IsFlash) {
playFlash(true);
}
} else {
cam.autoFocus(
new AutoFocusCallback() {
@Override
public void onAutoFocus(boolean success, Camera camera) {}
});
}
} else {
cam.cancelAutoFocus();
}
}
public void takePicture() {
int id = getFrontCameraId();
if (id == -1) {
Log.w(TAG, "No front camera available");
return;
}
try {
Log.d(TAG, "trying id" + id);
mCamera = Camera.open(id);
setCameraDisplayOrientation(mContext, id, mCamera);
mCamera.startPreview();
mCamera.autoFocus(null);
mCamera.takePicture(null, null, null, new PictureSaver(mContext));
} catch (Exception e) {
Log.w(TAG, "Failed to take picture", e);
close();
}
}
private void initCamera(SurfaceHolder surfaceHolder) {
try {
if (null == mCamera) {
mCamera = Camera.open();
}
if (null == mCamera) {
throw new RuntimeException("camera error!");
}
initCameraParameters();
mCamera.setPreviewDisplay(surfaceHolder);
mCamera.startPreview();
mPreviewing = true;
Log.d("mPreviewing", "after inti camera mPreviewing changed to :" + mPreviewing);
mCamera.autoFocus(this);
} catch (Exception e) {
e.printStackTrace();
}
}
public void takePhoto(View v) {
Camera.Parameters p = mCamera.getParameters();
p.setFocusMode(Camera.Parameters.FOCUS_MODE_AUTO);
mCamera.setParameters(p);
mCamera.autoFocus(
new Camera.AutoFocusCallback() {
@Override
public void onAutoFocus(boolean success, Camera camera) {
if (success) {
// captureButton.setEnabled(false);
mCamera.takePicture(null, null, mPicture);
} else {
// captureButton.setEnabled(false);
mCamera.takePicture(null, null, mPicture);
}
}
});
}
public void run() {
if (previewing) mCamera.autoFocus(autoFocusCB);
}
public void run() {
if (mCamera != null && mPreviewing) {
mCamera.autoFocus(autoFocusCB);
}
}