android phones with 12mp camera

Android phones have long occupied the majority of the smartphone market, the Android system due to his open source and other open features will appear some technical problems, the following system home to tell you most of the Android phone troubleshooting solutions.one, unable to send short message reason analysis：1, t

Currently, Android mobile phones released on the market have comprehensively improved the Android compass, camera preview, accelerometer, and GPS subsystems, the following article will give a comprehensive introduction to its functions. Obtaining the location manager seems simple, but you still have to remember some th

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

How to achieve the auto focus of the Android camera, and it is continuously autofocus. Of course the direct call to the system camera is needless to say, that is very simple. Let's take a look at how to implement a camera on your own and achieve automatic continuous focus. The code is as follows: public class Mai

Because today, this small white to use the android inside the Envirement class, to read the information inside the phone memory.But has been tangled in the end what is the phone memory card, what is the built-in SD card, what is ROM, what is ram ...Here is my summary, write the wrong place also please pass the Bo friends to give a lot of advice. In my opinion:What we normally call memory cards in my opinion can be divided into two categories: Th

to save the parameter variables in the intermediate process from opening to closing. The Parameters key value is determined by the abstraction layer based on the hardware sensor capability. 4. Camera peripheral buttons Register broadcast receiver in manifest, Some mobile phones have the camera button and the user presses the button. The

The new camera API, also known as CAMERA2, was introduced in Android 5.0. In general, we use the old Android camera API, even though in Android studio always hints are obsolete, but as long as it is available, there is no need to write two sets of code separately in order to

Android Camera video demo, androidcameraGoogle launched the Camera2 class in Android 5.0 to replace Camera. However, Camera2 requires the minimum android sdk version to be minSdkVersion = 21 (5.0 system), so Camera2 cannot completely replace

Original address: http://blog.csdn.net/sinat_35845281/article/details/52674946I've been trying to get a novelty.Recently has been learning to share webcam data through two Android phones via WiFi. It took a long time to get some bosses. Here are a few steps:1. For mobile phone camera development, customize the Surfaceview to define your own

Android video recording tutorials from getting started to getting started (4) ---- Camera Parameter, androidparameter Camera provides a method called setParameters to help developers set Camera parameters. The getParameters method of Camera can be used to obtain the paramete

Android Camera related application development, there is a need to clear the knowledge point is the camera's preview direction and the direction of photography, this article focused on this issue.The sensor direction of the image : The image data of the mobile camera is from the camera hardware image sensor, the sensor

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

This example describes the camera usage of Android. Share to everyone for your reference. Specifically as follows: 1. About the preview of the difference of 90 degrees Cause analysis After verification and experimentation, it can be confirmed that the Android SDK (Android.hardware.Camera) may not normally use the vertical screen (portrait layout) to load the

the coordinate system in this transformation. In Android, the default view coordinate system is the upper-left vertex (0, 0), the x-axis, and the y-axis. This requires that the rect coordinate be transformed. Another difficulty is that this face detection must be started after the camera is turned on, and if you take a photo or stop the preview, you need to activate it again. You need to add a delay when a

that the user has focused on the situation and then press the photo, usually the camera stays about 2 seconds, automatically focused. The fourth method must be used in order to be precise when necessary.Sixth : This is my own way of thinking, not yet verified. is by analyzing Onpreviewframe to get preview frame video, analyze its brightness change, to trigger Camera.autofocus (). If the brightness changes, there must be a relative movement between th

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

Android Camera Samsung BUG:The recent use of the camera feature in Android projects, other models of mobile phones have been successful, but only in Samsung's camera encountered a bug.The bug is reflected as follows:(1) Image data