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2014/10/16 ¤W¤È 08:11:02
android Programming Glossary: camera.openhttp://stackoverflow.com/questions/10186503/camera-app-not-working public Camera getCameraInstance Camera c null try c Camera.open attempt to get a Camera instance catch Exception e e.printStackTrace.. it will results in a black preview if mCamera null mCamera Camera.open mCamera.unlock if mMediaRecorder null mMediaRecorder new MediaRecorder..
Force a camera to always open in portrait mode in android http://stackoverflow.com/questions/10259299/force-a-camera-to-always-open-in-portrait-mode-in-android public void surfaceCreated SurfaceHolder holder mCamera Camera.open mCamera.setDisplayOrientation 90 refer this link for camera..
How to open “front camera” on android platform? http://stackoverflow.com/questions/2779002/how-to-open-front-camera-on-android-platform Camera.CameraInfo.CAMERA_FACING_FRONT try cam Camera.open camIdx catch RuntimeException e Log.e TAG Camera failed to..
How to draw an overlay on a SurfaceView used by Camera on Android? http://stackoverflow.com/questions/2933882/how-to-draw-an-overlay-on-a-surfaceview-used-by-camera-on-android void surfaceCreated final SurfaceHolder holder camera Camera.open try camera.setPreviewDisplay holder camera.setPreviewCallback..
Overlay images onto Camera preview SurfaceView http://stackoverflow.com/questions/3548666/overlay-images-onto-camera-preview-surfaceview holder TODO Auto generated method stub camera Camera.open @Override public void surfaceDestroyed SurfaceHolder holder..
android camera surfaceview orientation http://stackoverflow.com/questions/5157984/android-camera-surfaceview-orientation the orientation is Portrait from surfaceCreated m_camera Camera.open Camera.Parameters p m_camera.getParameters if getResources .getConfiguration.. p 90 However everytime the orientation changes it calls Camera.open ... which as you may know is quite an expensive operation causing..
How turn on camera flash light programmatically in Android? http://stackoverflow.com/questions/6068803/how-turn-on-camera-flash-light-programmatically-in-android eg. Code Snippet to turn on camera flash light. Camera cam Camera.open Parameters p cam.getParameters p.setFlashMode Parameters.FLASH_MODE_TORCH..
How can I manipulate the camera preview? http://stackoverflow.com/questions/6478375/how-can-i-manipulate-the-camera-preview us to make our own draw calls to this canvas mCamera Camera.open Camera.Parameters p mCamera.getParameters p.setPreviewSize..
Turn ON/OFF Camera LED/flash light in Samsung Galaxy Ace 2.2.1 & Galaxy Tab http://stackoverflow.com/questions/6939816/turn-on-off-camera-led-flash-light-in-samsung-galaxy-ace-2-2-1-galaxy-tab my code how i am turning ON my Camera LED Camera cam cam Camera.open Parameters params cam.getParameters params.setFlashMode Parameters.FLASH_MODE_ON.. to solve your problem you should do this this._camera Camera.open this._camera.startPreview this._camera.autoFocus new AutoFocusCallback..
Widget for turning on/off camera flashlight in android http://stackoverflow.com/questions/7515309/widget-for-turning-on-off-camera-flashlight-in-android private void processOnClick if mCamera null try mCamera Camera.open catch Exception e e.printStackTrace if mCamera null Parameters.. the default i.e. the first rear facing camera. camera Camera.open if camera null Toast.makeText context R.string.no_camera..
Android Camera will not work. startPreview fails http://stackoverflow.com/questions/7942378/android-camera-will-not-work-startpreview-fails holder.addCallback this Debug.out Init CSV camera Camera.open public void surfaceCreated SurfaceHolder holder Debug.out SC.. Context context super context mContext context mCamera Camera.open setCamera mCamera mSurfaceView new SurfaceView context addView..
http://stackoverflow.com/questions/8543244/custom-camera-android SurfaceHolder.SURFACE_TYPE_PUSH_BUFFERS camera Camera.open if camera null try camera.setPreviewDisplay surfaceHolder .. @Override public void onResume super.onResume camera Camera.open @Override public void onPause if inPreview camera.stopPreview..
LED flashlight on Galaxy Nexus controllable by what API? http://stackoverflow.com/questions/8876843/led-flashlight-on-galaxy-nexus-controllable-by-what-api preview.getHolder mHolder.addCallback this Camera mCamera Camera.open mCamera.setPreviewDisplay mHolder Turn on LED Parameters params..
Android :: Possible To Camera Capture Without A Preview? http://stackoverflow.com/questions/9744790/android-possible-to-camera-capture-without-a-preview open back facing camera by default Camera myCamera Camera.open if myCamera null try set camera parameters if you want to .. Camera.CameraInfo.CAMERA_FACING_FRONT try cam Camera.open camIdx catch RuntimeException e Log.e TAG Camera failed to..
http://stackoverflow.com/questions/10186503/camera-app-not-working R.id.button_capture btnStop Button findViewById R.id.button_stop public Camera getCameraInstance Camera c null try c Camera.open attempt to get a Camera instance catch Exception e e.printStackTrace return c returns null if camera is unavailable private.. important to unlock the camera before doing setCamera or it will results in a black preview if mCamera null mCamera Camera.open mCamera.unlock if mMediaRecorder null mMediaRecorder new MediaRecorder mMediaRecorder.setPreviewDisplay surface mMediaRecorder.setCamera..
Force a camera to always open in portrait mode in android http://stackoverflow.com/questions/10259299/force-a-camera-to-always-open-in-portrait-mode-in-android
How to open “front camera” on android platform? http://stackoverflow.com/questions/2779002/how-to-open-front-camera-on-android-platform camIdx Camera.getCameraInfo camIdx cameraInfo if cameraInfo.facing Camera.CameraInfo.CAMERA_FACING_FRONT try cam Camera.open camIdx catch RuntimeException e Log.e TAG Camera failed to open e.getLocalizedMessage return cam in manifest file uses..
How to draw an overlay on a SurfaceView used by Camera on Android? http://stackoverflow.com/questions/2933882/how-to-draw-an-overlay-on-a-surfaceview-used-by-camera-on-android mHolder.setType SurfaceHolder.SURFACE_TYPE_PUSH_BUFFERS public void surfaceCreated final SurfaceHolder holder camera Camera.open try camera.setPreviewDisplay holder camera.setPreviewCallback new PreviewCallback public void onPreviewFrame byte data Camera..
Overlay images onto Camera preview SurfaceView http://stackoverflow.com/questions/3548666/overlay-images-onto-camera-preview-surfaceview camera.startPreview @Override public void surfaceCreated SurfaceHolder holder TODO Auto generated method stub camera Camera.open @Override public void surfaceDestroyed SurfaceHolder holder TODO Auto generated method stub camera.stopPreview camera.release..
android camera surfaceview orientation http://stackoverflow.com/questions/5157984/android-camera-surfaceview-orientation stopPreview release camera this all work great because when the orientation is Portrait from surfaceCreated m_camera Camera.open Camera.Parameters p m_camera.getParameters if getResources .getConfiguration .orientation Configuration.ORIENTATION_LANDSCAPE.. if CameraApi.isSetRotationSupported CameraApi.setRotation p 90 However everytime the orientation changes it calls Camera.open ... which as you may know is quite an expensive operation causing the transitions to be not so smooth. When i force the..
How turn on camera flash light programmatically in Android? http://stackoverflow.com/questions/6068803/how-turn-on-camera-flash-light-programmatically-in-android . The main parameter used here is FLASH_MODE_TORCH . eg. Code Snippet to turn on camera flash light. Camera cam Camera.open Parameters p cam.getParameters p.setFlashMode Parameters.FLASH_MODE_TORCH cam.setParameters p cam.startPreview Code snippet..
How can I manipulate the camera preview? http://stackoverflow.com/questions/6478375/how-can-i-manipulate-the-camera-preview holder synchronized this this.setWillNotDraw false This allows us to make our own draw calls to this canvas mCamera Camera.open Camera.Parameters p mCamera.getParameters p.setPreviewSize 240 160 mCamera.setParameters p try mCamera.setPreviewDisplay..
Turn ON/OFF Camera LED/flash light in Samsung Galaxy Ace 2.2.1 & Galaxy Tab http://stackoverflow.com/questions/6939816/turn-on-off-camera-led-flash-light-in-samsung-galaxy-ace-2-2-1-galaxy-tab in Samsung Galaxy Tab Samsung Galaxy Ace 2.2.1 Here is my code how i am turning ON my Camera LED Camera cam cam Camera.open Parameters params cam.getParameters params.setFlashMode Parameters.FLASH_MODE_ON cam.setParameters params cam.startPreview.. store apps details id droid.pr.coolflashlightfree In order to solve your problem you should do this this._camera Camera.open this._camera.startPreview this._camera.autoFocus new AutoFocusCallback public void onAutoFocus boolean success Camera camera..
Widget for turning on/off camera flashlight in android http://stackoverflow.com/questions/7515309/widget-for-turning-on-off-camera-flashlight-in-android null mCamera.release mCamera null processOnClick method private void processOnClick if mCamera null try mCamera Camera.open catch Exception e e.printStackTrace if mCamera null Parameters params mCamera.getParameters List String flashModes params.getSupportedFlashModes.. camera.release camera null isLightOn false else Open the default i.e. the first rear facing camera. camera Camera.open if camera null Toast.makeText context R.string.no_camera Toast.LENGTH_SHORT .show else Set the torch flash mode..
Android Camera will not work. startPreview fails http://stackoverflow.com/questions/7942378/android-camera-will-not-work-startpreview-fails Context context super context SurfaceHolder holder getHolder holder.addCallback this Debug.out Init CSV camera Camera.open public void surfaceCreated SurfaceHolder holder Debug.out SC try camera.setPreviewDisplay holder catch IOException e Debug.out.. List String mSupportedFlashModes public CameraSurfaceView Context context super context mContext context mCamera Camera.open setCamera mCamera mSurfaceView new SurfaceView context addView mSurfaceView 0 mHolder mSurfaceView.getHolder mHolder.addCallback..
http://stackoverflow.com/questions/8543244/custom-camera-android surfaceHolder.addCallback this surfaceHolder.setType SurfaceHolder.SURFACE_TYPE_PUSH_BUFFERS camera Camera.open if camera null try camera.setPreviewDisplay surfaceHolder camera.startPreview catch IOException e Toast.makeText this.. getWindow .getWindowManager .getDefaultDisplay .getHeight @Override public void onResume super.onResume camera Camera.open @Override public void onPause if inPreview camera.stopPreview camera.release camera null inPreview false super.onPause private..
LED flashlight on Galaxy Nexus controllable by what API? http://stackoverflow.com/questions/8876843/led-flashlight-on-galaxy-nexus-controllable-by-what-api SurfaceView findViewById R.id.PREVIEW SurfaceHolder mHolder preview.getHolder mHolder.addCallback this Camera mCamera Camera.open mCamera.setPreviewDisplay mHolder Turn on LED Parameters params mCamera.getParameters params.setFlashMode Parameters.FLASH_MODE_TORCH..
Android :: Possible To Camera Capture Without A Preview? http://stackoverflow.com/questions/9744790/android-possible-to-camera-capture-without-a-preview surface view. public void takePictureNoPreview Context context open back facing camera by default Camera myCamera Camera.open if myCamera null try set camera parameters if you want to ... here the unused surface view and holder SurfaceView dummy.. camIdx Camera.getCameraInfo camIdx cameraInfo if cameraInfo.facing Camera.CameraInfo.CAMERA_FACING_FRONT try cam Camera.open camIdx catch RuntimeException e Log.e TAG Camera failed to open e.getLocalizedMessage return cam share improve this..
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