android rear view camera

Link Address: http://www.cnblogs.com/lknlfy/archive/2012/03/06/2382679.htmlI. OverviewCamera is a very important device for mobile phones, which can be said on every mobile phone now. Recall that at that time in the Linux camera programming really want to Nieyibahan. Someone would say that it's possible to use a webcam with a OpenCV under Linux, but I didn't do it, and I did it in the most primitive Way (V4L2). Before the

, // Mtkcameraparameters::scene_mode_fireworks, mtkcameraparameters::scene_mode_sports, Mtkcameraparameters::scene_mode_party, Mtkcameraparameters::scene_mode_candlelight,// Mtkcameraparameters::scene_mode_hdr, ) ), ) # endifThis file defines which profiles our cameras support, SCENE_MODE_HDR, HDR mode, Scene_mode_night night view mode ...With this, the Android framework will do the corresponding pr

Android Access camera uses Camera.open to return a camera object, set the view to display, call the preview function of the camera function Startpreview, stop the preview function is stoppreview!Activity_mail.xml layoutLinearLayoutxmlns:android= "Http://schemas.android.com/a

Android calls the camera to take pictures and get the original photo solution as follows:Note to have permission to read the file, you need to add the following permissions:button click event: Public voidClick (View view) {Intent Intent=NewIntent (mediastore.action_image_capture);//the intention of the

Many applications may use the ability to call the camera to take photos and pick pictures from the album, today we start the Android camera with album Call Learning.Directory Navigation Call camera to take pictures Select a photo from the album Friendship Link Call

capturing images using the built-in camera applicationexplore the built-in features of Android, with built-in image capture and storage that provides a great starting point for all media features on Android, laying the groundwork for us to work with audio and video in later chapters. here's how to take advantage of the built-in

Android multimedia-learn to use the system camera in step 5 To take a photo with a system camera and return the photo, follow these steps:[1] Permission [2] Start the camera with intent Intent intent = new Intent (); intent. setAction (MediaStore. ACTION_IMAGE_CAPTURE); // implicitly start the System

();CameraInterface.getInstance().doStartPreview(holder, previewRate);if(maskView != null){Rect screenCenterRect = createCenterScreenRect(DisplayUtil.dip2px(this, DST_CENTER_RECT_WIDTH),DisplayUtil.dip2px(this, DST_CENTER_RECT_HEIGHT));maskView.setCenterRect(screenCenterRect);}}Note: Because camera. open is stored in a separate thread. After open, callback is made to cameraHasOpened (). Is this function executed in the main thread and subthread? The an

, Picturesize.height); Size previewsize = Camparautil.getinstance (). Getproppreviewsize (Mparams.getsupportedpreviewsizes (), PreviewRate, Mparams.setpreviewsize (Previewsize.width, previewsize.height);to see the simple interception is not to change the image resolution. Note that the concept of true resolution is not equal to XXX * xxx, the larger the picture, the less clear. The rectangular area can be moved and stretched later. Take a picture of a specific area anywhere in the demo. -------

This camera is not a camera in Android. the camera in the graphics package can be understood as the angle of view in the 2D graphics system, or the camera location. Based on the perspective principle, we can implement some simple

("aspectX", 1); // The ratio of the cropping frame is 62 intent. putExtra ("aspectY", 1); 63 intent. putExtra ("outputX", crop); // the size of the output image is 64 intent. putExtra ("outputY", crop); 65 startActivityForResult (intent, PHOTO_PICKED_WITH_DATA); 66} 67 68 public void photo () {69 70 Intent intent = new Intent (MediaStore. ACTI Principal); 71 startActivityForResult (intent, CAMERA_WITH_DATA); 72} 73 74 protected void doCropPhoto (Bitmap data) {75 76 Intent intent = getCropImageI

{ return-1; } } } } The above tool class comments are as follows:1, is a singleton mode class. Invocation Example:[Java]View Plaincopyprint? Size PictureS = Mycampara.getinstance (). Getpicturesize (picturesizes, 800); Myparam.setpicturesize (Pictures.width, pictures.height); 2, the program first to preview the size of the list in ascending order, because the actual found that some mobile phones provide ascending or d

Android obtains multiple recent photos from the album (obtains the photos stored by the camera ), Reprinted please indicate the source: http://blog.csdn.net/android_ls/article/details/39928519 When you are working on a company project, you need to customize the grid view of the displayed photos to display the first 20 photos that you have taken with a recent

extends Activity {public static final int NONE = 0;public static final int photo_camera = 1;//camera photopublic static final int photo_compile = 2; Edit Picturepublic static final int photo_resoult = 3;//resultImageView Headimageview = null;Button Photo_button = null;Button Camera_button = null;Private String ImageName;public static String Getstringtoday () {Date currenttime = new Date ();SimpleDateFormat formatter = new SimpleDateFormat ("Yyyymmddh

: Activity_take_photo.xmlThe interface is very simple, here is just to provide reference to learn, explain the code:Surfaceview is used for photo-taking, note that this class as long as the video or photography needs to be used, but the project is usually written on their ownThese code is only reference to learn from each other, the function of the words, they are still doing, so the first to provide these learning ..., hope can help the study of the people, and then write their own blog is the

Android Call system camera take photos of two ways to achieve the example In our Android development, we often need to do this function, call the system camera to take pictures, and then get the photos taken. Here are the two methods I've summarized to get the photos after the shot, one is through the bundle to get th

Android implements a custom camera interface First, we can achieve the circular effect of the photo button. In Android development, of course, we can ask the artist to design the image and then take it directly. However, we can write our own code to achieve this effect, the most common method is to use layout-list to overlay images. We name this layout btn_take_p

In one of the previous articles, we introduced a simple camera opening function, as described in. Android Simple call camera function, to realize the open camera function, this time will be taken in front of the photo display into the ImageView, forming a complete effect to see the example Mainactivity.javaPackage Com.

. setOutputFile (lastFileName ); Try { // Prepare for recording Mediarecorder. prepare (); // Start recording Mediarecorder. start (); } Catch (IllegalStateException e ){ // TODO Auto-generated catch block E. printStackTrace (); } Catch (IOException e ){ // TODO Auto-generated catch block E. printStackTrace (); } End Shooting: If (mediarecorder! = Null ){ // Stop Mediarecorder. stop (); Mediarecorder. release (); Mediarecorder = null; } Paste my own encapsulation class:Copy codeThe Code is as fo

In the Android app, very often we need to implement upload images, or directly call the camera on the phone to take photos processing and then directly display and upload the function, the following will be called the camera to take pictures of the image processing and then display and call the photo processing in the mobile phone register and then display the fu