android camera grip

From anddev Import android. app. activity; import android. content. context; import android. graphics. canvas; import android. graphics. color; import android. graphics. paint; import android. hardware.

Android Camera Real-Time Filter (8)1. What can Android Camera do?1. Function photo recording and video recorder (scanning applications, such as face recognition, business card recognition, and bar code recognition) 2. Implement your own Camera program based on the

In many cases, the android camera module not only previews, but also takes photos easily. Instead, it needs to be able to detect videos, such as the most common face detection. Before you press the photo button, you can detect the face, mark it in a rectangle, and then press the photo button. So how to get a preview frame video? You only need to inherit the previewcallback interface in the activity. Example

onOptionsItemSelected; selected item: " + item); if (item.getGroupId() == 1) { int id = item.getItemId(); Camera.Size resolution = mResolutionList.get(id); mOpenCvCameraView.setResolution(resolution); resolution = mOpenCvCameraView.getResolution(); String caption = Integer.valueOf((int) resolution.width).toString() + "x" + Integer.valueOf((int) resolution.height).toString(); Toast.makeText(this, caption, Toast.LENGTH_SHORT).show(); } else if (item.getGroupId()==2){ int focusType = item.getItemI

This article is mainly about: using the camera API to capture video data and save to a file, using Surfaceview, Textureview to preview the Camera data, take the NV21 data callback.Note: Requires permission:First, preview the Camera dataPeople who have done Android development generally know that there are two ways to d

This article translated from: http://developer.android.com/training/camera/videobasics.html This article describes how to use the existing Camera application to take videos. If your application only needs to integrate a small part of the video function, you can use the camera application provided on most Android device

one, what can Android camera do? 1. function Take photos Video recording Viewfinder (scanning applications such as face recognition, business card recognition, barcode recognition) 2, according to the camera API to achieve their own photo program, a total of 7 steps Created with Rapha?l 2.1.2

In the previous chapter, we completed the configuration of the Android Platform development environment, and also found a way to remove the OpenCV Manager API, then we start from scratch, the completion of a personal program, the implementation of the following functions:1. Identify the specified picture and draw the edge of the picture with a colored box2. Display a 3D model on the identified imageIt is not difficult to see that this is actually the

Many developers want to use the program to call the camera and process the photos they have taken. First, preview the program. First, design the Home Page. It is very simple, just adding a button and an image. The next step is to process the button event. When you press the button, the local camera will be called. // Image storage address: imagefilepath = environment. getexternalstoragedirectory (). ge

Camera provides a method called Setparameters to help developers set the parameters of the camera.The camera's GetParameters method allows you to get the relevant parameters that are currently set for your cameras.Below is a brief introduction to the usage of several parameters used in video recording.First, set the Previewsize, that is, the video preview size, that is, the output to Surfaceview video image resolution size.It should be noted that prev

These days I took part in a company-run programming marathon, and I intend to use the Android camera to do it. I've always thought that the Android API was bad, but it didn't say exactly what was bad or how it would be better to improve. Take this opportunity and I'll explain it now. I think Android's API for webcam is awful, if you haven't used it, take a moment