本文整理汇总了Java中android.hardware.Camera.AutoFocusCallback类的典型用法代码示例。如果您正苦于以下问题：Java AutoFocusCallback类的具体用法？Java AutoFocusCallback怎么用？Java AutoFocusCallback使用的例子？那么, 这里精选的类代码示例或许可以为您提供帮助。
AutoFocusCallback类属于android.hardware.Camera包，在下文中一共展示了AutoFocusCallback类的15个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Java代码示例。
示例1: surfaceChanged
import android.hardware.Camera.AutoFocusCallback; //导入依赖的package包/类
@Override
public void surfaceChanged(final SurfaceHolder holder, int format, int width, int height) {
if (mycamera != null) {
mycamera.autoFocus(new AutoFocusCallback() {
@Override
public void onAutoFocus(boolean success, Camera camera) {
if (success) {
synchronized (camera) {
new Thread() {
public void run() {
initCamera(holder);
super.run();
}
}.start();
}
}
}
});
}
}
示例2: autoFocus
import android.hardware.Camera.AutoFocusCallback; //导入依赖的package包/类
/**
* 自动对焦
*
* @param cb
* @return
*/
public boolean autoFocus(AutoFocusCallback cb) {
if (camera != null) {
try {
camera.cancelAutoFocus();
if (mParameters != null) {
String mode = getAutoFocusMode();
if (StringUtils.isNotEmpty(mode)) {
mParameters.setFocusMode(mode);
camera.setParameters(mParameters);
}
}
camera.autoFocus(cb);
return true;
} catch (Exception e) {
if (mOnErrorListener != null) {
mOnErrorListener.onVideoError(MEDIA_ERROR_CAMERA_AUTO_FOCUS, 0);
}
if (e != null)
Log.e("Yixia", "autoFocus", e);
}
}
return false;
}
示例3: CameraPreview
import android.hardware.Camera.AutoFocusCallback; //导入依赖的package包/类
public CameraPreview(Context context, Camera camera,
PreviewCallback previewCb,
AutoFocusCallback autoFocusCb) {
super(context);
this.context=context;
mCamera = camera;
previewCallback = previewCb;
autoFocusCallback = autoFocusCb;
/*
* Set camera to continuous focus if supported, otherwise use
* software auto-focus. Only works for API level >=9.
*/
/*
Camera.Parameters parameters = camera.getParameters();
for (String f : parameters.getSupportedFocusModes()) {
if (f == Parameters.FOCUS_MODE_CONTINUOUS_PICTURE) {
mCamera.setFocusMode(Parameters.FOCUS_MODE_CONTINUOUS_PICTURE);
autoFocusCallback = null;
break;
}
}
*/
// Install a SurfaceHolder.Callback so we get notified when the
// underlying surface is created and destroyed.
mHolder = getHolder();
mHolder.addCallback(this);
// deprecated setting, but required on Android versions prior to 3.0
mHolder.setType(SurfaceHolder.SURFACE_TYPE_PUSH_BUFFERS);
}
示例4: setPreviewForPicture
import android.hardware.Camera.AutoFocusCallback; //导入依赖的package包/类
/**
* Setups preview button to take a picture state.
*/
private void setPreviewForPicture() {
mPreview.setSoundEffectsEnabled(false);
mPreview.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View v) {
mCamera.autoFocus(new AutoFocusCallback() {
@Override
public void onAutoFocus(boolean arg0, Camera arg1) {
//TODO Is there anything we have to do after autofocus?
}
});
}
});
}
示例5: resetCam
import android.hardware.Camera.AutoFocusCallback; //导入依赖的package包/类
/**
* Resets camera parameters and starts camera preview.
*/
private void resetCam() {
try {
Camera.Parameters parameters = mCamera.getParameters();
logi("Set Flash mode ON");
parameters.setFlashMode(Camera.Parameters.FLASH_MODE_OFF);
mCamera.setParameters(parameters);
mCamera.startPreview();
mCamera.autoFocus(new AutoFocusCallback() {
public void onAutoFocus(boolean success, Camera camera) {
//TODO: add implementation or leave a comment if it's nothing to do here
}
});
parameters.setFlashMode(Camera.Parameters.FLASH_MODE_TORCH);
mCamera.setParameters(parameters);
} catch(RuntimeException e) {
Log.e(TAG, e.toString());
}
}
示例6: manualFocus
import android.hardware.Camera.AutoFocusCallback; //导入依赖的package包/类
/**
* 手动对焦
*
* @param focusAreas 对焦区域
* @return
*/
@SuppressLint("NewApi")
@TargetApi(Build.VERSION_CODES.ICE_CREAM_SANDWICH)
public boolean manualFocus(AutoFocusCallback cb, List<Area> focusAreas) {
if (camera != null && focusAreas != null && mParameters != null && DeviceUtils.hasICS()) {
try {
camera.cancelAutoFocus();
// getMaxNumFocusAreas检测设备是否支持
if (mParameters.getMaxNumFocusAreas() > 0) {
// mParameters.setFocusMode(Camera.Parameters.FOCUS_MODE_MACRO);//
// Macro(close-up) focus mode
mParameters.setFocusAreas(focusAreas);
}
if (mParameters.getMaxNumMeteringAreas() > 0)
mParameters.setMeteringAreas(focusAreas);
mParameters.setFocusMode(Camera.Parameters.FOCUS_MODE_MACRO);
camera.setParameters(mParameters);
camera.autoFocus(cb);
return true;
} catch (Exception e) {
if (mOnErrorListener != null) {
mOnErrorListener.onVideoError(MEDIA_ERROR_CAMERA_AUTO_FOCUS, 0);
}
if (e != null)
Log.e("Yixia", "autoFocus", e);
}
}
return false;
}
示例7: takeAction
import android.hardware.Camera.AutoFocusCallback; //导入依赖的package包/类
public void takeAction(final int nAction) {
if (CameraPreview.msnFocusMode != 0) { // if not support autofocus
mcameraPreview.mbTakeSnapshot = true;
mcameraPreview.mnActionAfterTakingSnapshot = nAction;
Toast.makeText(ActivityQuickRecog.this, ActivityQuickRecog.this.getString(R.string.camera_preview_clicked), Toast.LENGTH_SHORT).show();
} else if (mCamera != null) {
//mCamera.cancelAutoFocus(); // cancel existing auto focus. comment this line because cancel autofcus may hang
try {
mCamera.autoFocus(new AutoFocusCallback() {
@Override
public void onAutoFocus(boolean success, Camera camera) {
mcameraPreview.mbTakeSnapshot = true;
mcameraPreview.mnActionAfterTakingSnapshot = nAction;
Toast.makeText(ActivityQuickRecog.this, ActivityQuickRecog.this.getString(R.string.camera_preview_clicked_and_autofocused),
Toast.LENGTH_SHORT).show();
}
});
} catch(Exception e) {
Toast.makeText(ActivityQuickRecog.this, ActivityQuickRecog.this.getString(R.string.camera_preview_fail_to_autofocus),
Toast.LENGTH_SHORT).show();
}
}
}
示例8: onTouch
import android.hardware.Camera.AutoFocusCallback; //导入依赖的package包/类
@Override
public boolean onTouch(View v, MotionEvent event) {
if (mMediaRecorder == null || !mCreated) {
return false;
}
switch (event.getAction()) {
case MotionEvent.ACTION_DOWN:
//检测是否手动对焦
showFocusImage(event);
if (!mMediaRecorder.onTouch(event, new AutoFocusCallback() {
@Override
public void onAutoFocus(boolean success, Camera camera) {
mFocusImage.setVisibility(View.GONE);
}
})) {
return true;
} else {
mFocusImage.setVisibility(View.GONE);
}
mMediaRecorder.setAutoFocus();
break;
}
return true;
}
示例9: CameraPreview
import android.hardware.Camera.AutoFocusCallback; //导入依赖的package包/类
@SuppressWarnings("deprecation")
public CameraPreview(Context context, Camera camera,
PreviewCallback previewCb,
AutoFocusCallback autoFocusCb) {
super(context);
mCamera = camera;
previewCallback = previewCb;
autoFocusCallback = autoFocusCb;
/*
* Set camera to continuous focus if supported, otherwise use
* software auto-focus. Only works for API level >=9.
*/
//API9以上实现连续对焦
// Camera.Parameters parameters = camera.getParameters();
// for (String f : parameters.getSupportedFocusModes()) {
// if (f == Parameters.FOCUS_MODE_CONTINUOUS_PICTURE) {
// parameters.setFocusMode(Parameters.FOCUS_MODE_CONTINUOUS_PICTURE);
// autoFocusCallback = null;
// break;
// }
// }
// Install a SurfaceHolder.Callback so we get notified when the
// underlying surface is created and destroyed.
mHolder = getHolder();
mHolder.addCallback(this);
// deprecated setting, but required on Android versions prior to 3.0
mHolder.setType(SurfaceHolder.SURFACE_TYPE_PUSH_BUFFERS);
}
示例10: initSurfView
import android.hardware.Camera.AutoFocusCallback; //导入依赖的package包/类
private void initSurfView() {
surfaceView = (SurfaceView) findViewById(R.id.surface_view);
mSurfaceHolder = surfaceView.getHolder();
mSurfaceHolder.addCallback(this);
mSurfaceHolder.setType(SurfaceHolder.SURFACE_TYPE_PUSH_BUFFERS);
mAutoFocusCallback = new AutoFocusCallback() {
@Override
public void onAutoFocus(boolean success, Camera camera) {
if (success) {
Log.i(TAG, "�Խ��ɹ�");
} else {
}
}
};
}
示例11: takePicture
import android.hardware.Camera.AutoFocusCallback; //导入依赖的package包/类
public void takePicture() {
mCamera.setPreviewCallback(null);
mCamera.autoFocus(new AutoFocusCallback() {
@Override
public void onAutoFocus(boolean success, Camera camera) {
if(success)
{
Log.d(TAG, "Focusing...successful.");
camera.takePicture(null, null, null, mCall);
}
else
{
Log.d(TAG, "Focusing...failed.");
camera.takePicture(null, null, null, mCall);
}
}
});
}
示例12: BarcodePreview
import android.hardware.Camera.AutoFocusCallback; //导入依赖的package包/类
public BarcodePreview(Context context, Camera camera, PreviewCallback previewCb, AutoFocusCallback autoFocusCb) {
super(context);
mCamera = camera;
previewCallback = previewCb;
autoFocusCallback = autoFocusCb;
Camera.Parameters parameters = camera.getParameters();
for (String f : parameters.getSupportedFocusModes()) {
if (f == Parameters.FOCUS_MODE_CONTINUOUS_PICTURE) {
parameters.setFocusMode(Parameters.FOCUS_MODE_CONTINUOUS_PICTURE);
autoFocusCallback = null;
break;
}
}
mHolder = getHolder();
mHolder.addCallback(this);
}
示例13: XCameraPreview
import android.hardware.Camera.AutoFocusCallback; //导入依赖的package包/类
public XCameraPreview(Context context, Camera camera,
PreviewCallback previewCb,
AutoFocusCallback autoFocusCb) {
super(context);
mCamera = camera;
mPreviewCallback = previewCb;
mAutoFocusCallback = autoFocusCb;
// Install a SurfaceHolder.Callback so we get notified when the
// underlying surface is created and destroyed.
mHolder = getHolder();
mHolder.addCallback(this);
// deprecated setting, but required on Android versions prior to 3.0
mHolder.setType(SurfaceHolder.SURFACE_TYPE_PUSH_BUFFERS);
}
示例14: onFocus
import android.hardware.Camera.AutoFocusCallback; //导入依赖的package包/类
/**
* 手动聚焦
* @param point 触屏坐标
*/
protected void onFocus(Point point,AutoFocusCallback callback){
Parameters parameters=mCamera.getParameters();
//不支持设置自定义聚焦，则使用自动聚焦，返回
if (parameters.getMaxNumFocusAreas()<=0) {
mCamera.autoFocus(callback);
return;
}
List<Area> areas=new ArrayList<Area>();
int left=point.x-300;
int top=point.y-300;
int right=point.x+300;
int bottom=point.y+300;
left=left<-1000?-1000:left;
top=top<-1000?-1000:top;
right=right>1000?1000:right;
bottom=bottom>1000?1000:bottom;
areas.add(new Area(new Rect(left,top,right,bottom), 100));
parameters.setFocusAreas(areas);
try {
//本人使用的小米手机在设置聚焦区域的时候经常会出异常，看日志发现是框架层的字符串转int的时候出错了，
//目测是小米修改了框架层代码导致，在此try掉，对实际聚焦效果没影响
mCamera.setParameters(parameters);
} catch (Exception e) {
// TODO: handle exception
e.printStackTrace();
}
mCamera.autoFocus(callback);
}
示例15: CameraPreview
import android.hardware.Camera.AutoFocusCallback; //导入依赖的package包/类
@SuppressWarnings("deprecation")
public CameraPreview(Context context, Camera camera, PreviewCallback previewCb, AutoFocusCallback autoFocusCb) {
super(context);
mCamera = camera;
previewCallback = previewCb;
autoFocusCallback = autoFocusCb;
/*
* Set camera to continuous focus if supported, otherwise use software
* auto-focus. Only works for API level >=9.
*/
Camera.Parameters parameters = camera.getParameters();
for (String f: parameters.getSupportedFocusModes()) {
if (f == Camera.Parameters.FOCUS_MODE_CONTINUOUS_PICTURE) {
parameters.setFocusMode(Camera.Parameters.FOCUS_MODE_CONTINUOUS_PICTURE);
autoFocusCallback = null;
break;
}
}
// Install a SurfaceHolder.Callback so we get notified when the
// underlying surface is created and destroyed.
mHolder = getHolder();
mHolder.addCallback(this);
// deprecated setting, but required on Android versions prior to 3.0
mHolder.setType(SurfaceHolder.SURFACE_TYPE_PUSH_BUFFERS);
}