(mcursor.movetonext ()) {//print log to view the value of the photo id long id = mcursor.getlong (mcurso R.getcolumnindex (mediastore.images.media._id)); LOG.I ("mediastore.images.media_id=", ID + ""); Filter out unwanted images, just get pictures of photos stored in the photo album after the picture String path = mcursor.getstring (Mcursor.getcolumnindex (MEDIASTORE.IMAGES.MEDIA.D ATA)); if (Path.startswith (Sdcardpath + "/Dcim/100media ") | | Path.
SetrecordinghintThis function is to improve the performance of Mediarecorder recording camera video.Problem:If this function is set to True, the preview screen on some phones is distorted, and there is no mention in the official Android documentThis change, the reason is unclear, for compatibility, had to comment out this function.Phones that are known to be faulty:MI 2, LG part phoneThen search this functi
boolean Oncreateoptionsmenu (Menu menu) {//Inflate the menu, this adds items to the action Bar If it is present. Getmenuinflater (). Inflate (R.menu.main, menu); return true; } @Override public boolean onoptionsitemselected (MenuItem Item) {//Handle Action Bar item clicks here. The action bar would//automatically handle clicks on the Home/up button, So long/As you specify a the parent activity in Androidmanifest.xml. int id = item.getitemid (); if (id = = r.id.act
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/apk/res/
Recently, Android 2.3.5 (CM-basedCodeThe front camera records the problems encountered and solutions for review.
1: Why can't upper-layer applications obtain information about the front camera?
Messages from the front camera are generally stored in the Hal layer, for example, in Samsung's Crespo. However, CM strang
Camera focusing: in principle, the vertical seekbar is used to obtain the distance based on the user's drag, and then set it to Camera in the form of Parameter.
OnSeekBarChangeListener
/*
* (Non-Javadoc)
*
* @ See
* Android. widget. SeekBar. OnSeekBarChangeListener # onProgressChanged (android
*. Widget. SeekBar
Call camera in Android to get pictures can be obtained in two ways, first of all by invoking system services to open the cameraIntent Intent = new Intent (mediastore.action_image_capture);Startactivityforresult (Intent,requestcode);The first method is to get the picture from the result returned by Startactivityforresult, as follows: if (RESULTCODE==RESULT_OK) { if (requestcode==req_1) { Bundle
Android calls system camera get return data
Because the project needs to call the camera, implement upload photos, such as Weibo, medium functionality. Android can be very easy to call the system camera, and return bitmap data, but a little insufficient, it returns the
Some mobile phone images are upside down. How can this problem be solved? See the following public static void setCameraDisplayOrientation (Activity activity, int cameraId, android. hardware. camera camera) {android. hardware. camera. cameraInfo info = new
;ImportAndroid. OS. systemproperties;Both sdks haveImportAndroid. Media. exifinterface;This class is in the camera source code.
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Excellent recommendation: how to make the program adap
Original address: http://blog.csdn.net/yanzi1225627/article/details/8605061#Many times, the Android camera module not only previews, take pictures so simple, but need to preview the video, can make some detection, such as the most common face detection. Before the camera button is pressed, the face is detected and the rectangle is marked, followed by the photo. S
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
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
bad things go ahead ...} catch (FileNotFoundException e) {TODO auto-generated Catch blockE.printstacktrace ();}Break}}Super.onactivityresult (Requestcode, ResultCode, data);}Don't be happy, it's too early, and the key question:The above code as long as you can use Google, generally can find to piece together. However, just like this, you will also get an unknown error ... Samsung's system camera, layout is flat, if your activity happens to be vertica
In the past 2 months, the basic requirements of the project have been basically customized and evaluated, which revolves around the A31 and Android4.2.2. Recently, due to the need, in the framework of modifying his camera, the application needs to give Hal a parameter to control the implementation of the underlying image processing algorithm, that is, to provide a reasonable API for the development and use of the app.At first, the simplest and most ef
blog from:http://blog.csdn.net/liuxian13183, reprint annotated source!All Rights Reserved!
Camera Focus: Principle, use vertical seekbar, according to user drag to get distance, and then set to camera in the form of parameter.
Implement Onseekbarchangelistener
/** (Non-javadoc)** @see* Android.widget.seekbar.onseekbarchangelistener#onprogresschanged (Andr
As a reference for implementing image recognition at the Java layer. We recommend that you use the JNI layer to extract data.
-- Leon
Http://blog.csdn.net/chenji001/archive/2010/08/25/5836685.aspx
In Android, if you want to process preivew data (such as face tracking), the callback function at the Java layer will cause frequent memory application and copy. Even if you use the latest setpreviewcallbackwithbuffer function, memory copy across th
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