camera upgrade for android

One in Android, the ACTION that corresponds to the photo is Android.provider.MediaStore.ACTION_IMAGE_CAPTURE. The activity used for taking pictures needs to return the photo image data,The ACTION that corresponds to the camera is Android.provider.MediaStore.ACTION_VIDEO_CAPTURETherefore, you need to use Startactivityforresult () to start the Activity. The code is as follows:Intent Intent = new Intent (media

1. Start camera1. An activity starts the call process:Oncreate () --> onstart () --> onresume ()Oncreate ():1. You can add the layout file and draw the interface.2. Enable the thread, start the hardware camera, and call cameraholder. instance (). open () to get an android. hardwarecamera instance mcameradeviceEnsurecameradevice () --> cameraholder. instance (). open () --> mcameradevice. getparameters (); E

Article Source: http://blog.csdn.net/dany1202/archive/2011/01/26/6164450.aspx 1. Start camera1. An activity starts the call process:Oncreate () --> onstart () --> onresume ()Oncreate ():1. You can add the layout file and draw the interface.2. Enable the thread, start the hardware camera, and call cameraholder. instance (). open () to get an android. hardwarecamera instance mcameradeviceEnsurecameradevice (

. DIRECTORY_PICTURES), "MyCameraApp "); // This location works best if you want the created images to be shared // Between applications and persist after your app has been uninstalled. // Create the storage directory if it does not exist If (! MediaStorageDir. exists ()){ If (! MediaStorageDir. mkdirs ()){ Log. d ("MyCameraApp", "failed to create directory "); Return null; } } // Create a media file name String timeStamp = new SimpleDateFormat ("yyyyMMdd_HHmmss"). format (new Date ()); File me

We first realize the circular effect of the photo button ha, Android development, of course, you can find art designers to design pictures, and then directly brought in, but we can write their own code to achieve this effect ha, the most commonly used is the layout-list to achieve the superposition of pictures, we this layout named BTN _take_photo.xml, this is a custom drawable file, so according to the spec, we're going to put it in the Drawable fold

This article implements the Android system camera call to take photos The layout of the project is fairly simple, with only one button: First open the list file under the Packages\apps\camera folder and find the following code: The relevant code is as follows: public class Mainactivity extends activity { @Override protected vo

This article implements the Android system camera call to take photos The layout of the project is fairly simple, with only one button: First open the list file under the Packages\apps\camera folder and find the following code: The relevant code is as follows: public class Mainactivity extends activity { @Override protected v

Overview There are two ways to use Camera: using an existing app through Intent and building your own app through Camera. Camera statements If your application wants to use Camera, you must obtain the license and add the following statement to AndroidManifest. xml. If your application must have a

Https://github.com/saki4510t/UVCCameraUvccamera listen to the name to know the Common class library using the UVC (USB vedio Class) protocol. Linux native support with basic support for all free-zone USB cameras on the market. This open source library contains a library of JNI and Android-encapsulated classes. is currently the best use of the Android USB Camera c

Original: Android Camera2 photo (iii)--toggle camera, time lapse and flash mode First, switch the cameraTo switch between the front and rear cameras, you first need to close the previously opened camera, turn off preview, then reopen the new camera and reopen preview.public void Switchcamera () { if (mcamera

In android, Camera obtains the scenario modes supported by the system. When we adjust the camera, we often do not support the scenario model of the camera. Next we will analyze how to view the camera scene mode of the android syst

This example describes the solution to the problem of rotation in the preview screen when calling camera in Android programming. Share to everyone for your reference, specific as follows: When calling camera write applications, the front and back camera situations are sometimes different. Sometimes, obviously after th

Android multimedia-System camera 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

void Click (View v) {shoot (); } public void Shoot () {camera.takepicture (null, NULL, new Picturecallback () {@Override P ublic void Onpicturetaken (byte[] data, Camera camera) {//TODO auto-generated method stub B Itmap bitmap = bitmapfactory.decodebytearray (data, 0, data.length); FileOutputStream fos = null; try {fos = new FileOutputStream ("sdcard/pic1.j

1. CameraCamera is a device supported within the Android framework that allows you to take photos and shoot videos, so there are always problems with camera development, such as the following:E/androidruntime (1542): Java.lang.RuntimeException:setParameters failedE/androidruntime (1542): at android.hardware.Camera.native_setParameters (native Method)E/androidruntime (1542): at Android.hardware.Camera.setPar

There are many ways to achieve, according to the steps to see which kind of, online said what pick-up card, in fact, is to turn AV into UVC, now on the market a lot of cameras directly is already UVC, in Windows Plug and Play.Android is also Linux, this is a good run.1. First download the Android USB detection program, insert the UVC camera, in the program to see whether the new node in the/dev/video, or/BU

Android calls camera error setParameters failed deep Parsing1. Camera Camera is supported in the Android framework and allows you to take photos and videos. Therefore, you will always encounter some problems when using camera deve

Https://zhidao.baidu.com/question/873328177698804372.htmlThe perfect implementation of real-time autofocus for Android camera http://blog.csdn.net/huweigoodboy/article/details/51378751How to achieve the AF http://www.open-open.com/lib/view/open1406536473812.html of Android phone cameraAndroid front camera can be autofo

During Android development, it takes most of the time to create the interface, and only developers can make it by themselves. Therefore, I have been trying to use HTML5 + css3 to complete the process. phonegap is not quite mature yet, I am going to use Android native + webview to complete the process. I found that it is similar to flash as for mutual debugging. BelowCodeThe Native Interface is called throug

When the zc301 USB camera is used, the camera returns a JPEG image. The preview of camera requires JPEG decoding (not done), but you can take the JPEG image directly. 1. Modify Your boardconfig. mkUse_camera_stub: = false Set stub to false, and do not compile in android2.1/frameworks/base/camera/libcameraservice during