Call system camera to take pictures and clip
In the Android development process, many times we need to call the camera to take pictures, especially when it comes to posting tweets.
Inheriting the camera class to write a photo function is obviously not the best solution because we can't consider it very comprehensivel
This article for you to share the Android camera, Atlas Basic demo, for your reference, the specific content as follows
Package Com.example.democamera;
Import Java.io.File;
Import java.io.FileNotFoundException;
Import java.io.IOException;
Import Android.net.Uri;
Import Android.os.Bundle;
Import android.os.Environment;
Import Android.provider.MediaStore;
Import android.app.Activity;
Import Android.con
In Android, user portraits and android user portraits are set by accessing a local album or camera.
Currently, almost all apps have the need to set up portraits when users register. There are three scenarios:
(1) obtain the image of the local album and crop it as the Avatar.
(2) Start the mobile phone camera, take the
Create a preview classTo allow users to effectively obtain images and videos, they must be able to see images in the camera. A camera preview class is a SurfaceView class that can display Real-Time Images in the camera, so users can frame and capture images or videos.
The Code in the following example demonstrates how to create a basic
Let's start with the idea that we have a picture-cutting application in the Android system, so we just need to pass the photos we got to the picture-cutting application and then return the clipped photos to our own screen.
In the process of developing some apps, we may be involved in the processing of avatars, such as from the phone or photo albums to get the Avatar, tailored to their own needs of the avatar, set or upload avatar. Some of the relevan
This article illustrates the Android triangle on Glsurfaceview based on OpenGL and the use of projection and camera view methods. Share to everyone for your reference, specific as follows:
Defining triangles
OpenGL allows us to use three-dimensional coordinates to define an object. Before we draw a triangle, we need to define the coordinates of its various points. We typically use arrays to store the coor
What to do without a USB camera.
It's okay to have an Android phone, we can turn it into a webcam.
1. Install a mobile phone called [IP Camera] app, get IP address, account password
2. Install Python and OpenCV
3. Execute the Python script below, and notice that you want to change the IP address to the one displayed on your phone.
#coding =utf-8
Import CV2.CV as
These two days playing Android games, the blog has not added something for several days, ashamed! Take a look at one of the most collapsing problems of the two days.
Good early installed the development environment, really started or these two days, very unfamiliar, although there are SDK documentation, so many mosquito-like word, really do not mind to study slowly. This does not want to call the camera, t
The Android framework supports a variety of Camera and the available Camera functions on it. It allows you to capture photos and videos in applications. This article describes how to quickly and easily take photos and videos, and describes an advanced method for users to create custom Camera experience.
Notes
Before en
whether the camera is available at runtime. To perform this check, use the PackageManager. hasSystemFeature () method as follows:
[Java]/** Check whether the device has a camera */Devate boolean checkCameraHardware (Context context ){If (context. getPackageManager (). hasSystemFeature (PackageManager. FEATURE_CAMERA )){// This device has a cameraReturn true;} Else {// No
check whether the camera is available at runtime. To perform this check, use the PackageManager. hasSystemFeature () method as follows:
[Java]/** Check whether the device has a camera */Devate boolean checkCameraHardware (Context context ){If (context. getPackageManager (). hasSystemFeature (PackageManager. FEATURE_CAMERA )){// This device has a cameraReturn true;} Else {// No
[Android] 20.3 camera and video recording, androidprop 3
Category: C #, Android, VS2015;
Date created: 1. Introduction
The Camera provided by Android has two typical versions: one is provided before Android 5.0, called
To the small ant camera Android software users to detailed analysis to share the problem can not connect the solution.
Tutorial Sharing:
First make sure that the small ant camera is connected to the router, the blue status light is always bright.
Two. Open the router configuration interface, find the QoS feature settings, and turn on the QoS status.
the DSP or encoding library and converted to a specific image file format for storage.
The optical lens of a digital camera is the same as that of a traditional camera. It aggregates an image to a photosensitive device, that is, an optical charge coupler (CCD ). CCD replaces the position of the photosensitive film in traditional cameras. Its function is to convert optical signals into electrical signals, w
The way to explore Android camera-StartCamera has a pivotal position in the mobile phone, whether it is a QR code or a photograph or a recognition. Can not be separated from the camera, this article will be a comprehensive analysis of the camera in Android.Permission Town Building:uses-permission android:name="android.
Android-implement custom camera countdown to take photos, android custom
This blog introduces the Android custom camera and implements the countdown camera function.
First, you can use the SurfaceView control to display the previe
In Android 5.0 (SDK 21), Google uses Camera2 instead of the camera interface. Camera2 has made great changes in interface and architecture,But for well-known reasons, we also have to develop based on the Android 4.+ system. This article describes the development of the camera interface and how to use it, through this a
Application scenario: In the Android development process, it is sometimes necessary to call the phone's own device function, this article focuses on the camera function calls. Knowledge Points: Access to the phone's own device function (camera photo function), should ensure that the Androidmanifest.xml has been correctly stated in the use of the
The way to explore Android camera-StartCamera in the mobile phone has a pivotal position, whether it is two-dimensional code or photos, recognition, can not be separated from the camera, this article will be the Android camera in a comprehensive analysis.Permission Town Buil
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