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;
}
/**
* Cancels any auto-focus function in progress. Whether or not auto-focus is currently in
* progress, this function will return the focus position to the default. If the camera does not
* support auto-focus, this is a no-op.
*
* @see #autoFocus(AutoFocusCallback)
*/
public void cancelAutoFocus() {
synchronized (mCameraLock) {
if (mCamera != null) {
mCamera.cancelAutoFocus();
}
}
}
public void onPreviewFrame(byte[] data, Camera camera) {
Camera.Parameters parameters = camera.getParameters();
Camera.Size size = parameters.getPreviewSize();
Image barcode = new Image(size.width, size.height, "Y800");
barcode.setData(data);
int result = mScanner.scanImage(barcode);
if (result != 0) {
mCamera.cancelAutoFocus();
mCamera.setPreviewCallback(null);
mCamera.stopPreview();
mPreviewing = false;
SymbolSet syms = mScanner.getResults();
for (Symbol sym : syms) {
String symData = sym.getData();
if (!TextUtils.isEmpty(symData)) {
Intent dataIntent = new Intent();
dataIntent.putExtra(SCAN_RESULT, symData);
dataIntent.putExtra(SCAN_RESULT_TYPE, sym.getType());
setResult(Activity.RESULT_OK, dataIntent);
finish();
break;
}
}
}
}
public void onPictureTaken(byte[] imageData, Camera c) {
if (imageData != null) {
System.out.println("__________________ length: " + imageData.length);
FileManager.savePicture(imageData);
camera.cancelAutoFocus();
camera.startPreview();
}
}
private void cancelAutoFocus() {
// User releases half-pressed focus key.
if (mFocusState == FOCUSING || mFocusState == FOCUS_SUCCESS || mFocusState == FOCUS_FAIL) {
mCameraDevice.cancelAutoFocus();
}
if (mFocusState != FOCUSING_SNAP_ON_FINISH) {
clearFocusState();
}
}
public void stopCameraPreview() {
if (mCamera != null) {
try {
mPreviewing = false;
mCamera.cancelAutoFocus();
mCamera.setOneShotPreviewCallback(null);
mCamera.stopPreview();
} catch (Exception e) {
Log.e(TAG, e.toString(), e);
}
}
}
synchronized void stop() {
stopped = true;
if (useAutoFocus) {
cancelOutstandingTask();
// Doesn't hurt to call this even if not focusing
try {
camera.cancelAutoFocus();
} catch (RuntimeException re) {
// Have heard RuntimeException reported in Android 4.0.x+; continue?
Log.w(TAG, "Unexpected exception while cancelling focusing", re);
}
}
}
public void stop() {
camera.cancelAutoFocus();
if (timerTask != null) {
timerTask.cancel();
timerTask = null;
}
running = false;
Log.d(TAG, "AutoFocusEngine Stopped");
}
synchronized void stop() {
if (useAutoFocus) {
try {
camera.cancelAutoFocus();
} catch (RuntimeException re) {
// Have heard RuntimeException reported in Android 4.0.x+; continue?
Log.w(TAG, "Unexpected exception while cancelling focusing", re);
}
}
if (outstandingTask != null) {
outstandingTask.cancel(true);
outstandingTask = null;
}
active = false;
}
@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 setAutoFocus(boolean state) {
if (mCamera != null && mPreviewing) {
if (state == mAutoFocus) {
return;
}
mAutoFocus = state;
if (mAutoFocus) {
if (mSurfaceCreated) { // check if surface created before using autofocus
Log.v(TAG, "Starting autofocus");
safeAutoFocus();
} else {
scheduleAutoFocus(); // wait 1 sec and then do check again
}
} else {
Log.v(TAG, "Cancelling autofocus");
mCamera.cancelAutoFocus();
}
}
}
@Override
protected void onPause() {
super.onPause();
// Because the Camera object is a shared resource, it's very
// important to release it when the activity is paused.
if (mCamera != null) {
mPreview.setCamera(null);
mCamera.cancelAutoFocus();
mCamera.setPreviewCallback(null);
mCamera.stopPreview();
mCamera.release();
mPreview.hideSurfaceView();
mPreviewing = false;
mCamera = null;
}
}
private static void setTorchEnabled(final Camera camera, final boolean enabled) {
final Camera.Parameters parameters = camera.getParameters();
final List<String> supportedFlashModes = parameters.getSupportedFlashModes();
if (supportedFlashModes != null) {
final String flashMode;
if (enabled)
flashMode =
findValue(
supportedFlashModes,
Camera.Parameters.FLASH_MODE_TORCH,
Camera.Parameters.FLASH_MODE_ON);
else flashMode = findValue(supportedFlashModes, Camera.Parameters.FLASH_MODE_OFF);
if (flashMode != null) {
camera.cancelAutoFocus(); // autofocus can cause conflict
parameters.setFlashMode(flashMode);
camera.setParameters(parameters);
}
}
}
public void getPicture() {
camera.takePicture(null, mPictureCallback, mPictureCallback);
camera.cancelAutoFocus();
}
public void cancelAutoFocus() {
camera.cancelAutoFocus();
}
@Override
public void onAutoFocus(boolean success, Camera camera) {
if (success) camera.cancelAutoFocus();
}
