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Flashlight source code, but also to solve some of the model is not suitable to ask, I wrote a flashlight demo, just started on individual phones can open the flashlight, Baidu has been many times or did not solve, finally anti-compiled a flashlight code to see the idea, haha, finally solved, now can adapt to the majori
Different mobile phones use different methods to enable Flash. Here, the Motorola milestone mobile phone is used as an example main. xml:
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Android: layout_width = "fill_parent"
Android: layout_height = "fill_parent"
Android: Orientation = "vertical">
Android: Id = "@ + ID/Open"
Recently, because the company needs to do a flashlight, in fact, the flashlight principle is very simple, is to call the camera flash, control the flash switch, you can achieve the effect of flashlight,Emphasize that it is important to note that the Flash is released at the end of the code, otherwise it will occur when
Keywords:Camif parameter of the android camera CMM ModulePlatform information:Kernel:LinuxSystem:Android
Platform:S5pv310 (Samsung exynos 4210)
Author: xubin341719 (You are welcome to reprint it. Please note the author)
Android camera (1): CMM introduction to the camera Mod
This article is the source of their own reading a bit summary, transfer Please specify the source thank you.Welcome to communicate with you. qq:1037701636 Email:gzzaigcn2[email protected]Software: System Source Android5.11. Historical progress of the camera module version number in Android system/** * All module versions From the definition of the camera version
SurfaceHolder. Callback. The main purpose is to know after SurfaceTexture is ready, that is, the onSurfaceTextureAvailable function.
CameraTextureView. java
Package org. yanzi. camera. preview; import org. yanzi. camera. cameraInterface; import android. content. context; import android. graphics. pixelFormat; import
parameter is a quiet parameter, which is located in the Parameters class and starts with WHITE_BALANCE.
6. The setJpegQuality () method is used to set the quality of the camera photos. The parameter is an integer parameter and the value ranges from 1 to 100.
7. setFlashMode () is used to set the flashlight type. The parameter is a quiet parameter located in the Parameters class and starts with FLASH_MODE.
in Activity:
@Overrideprotected void onResume() {// TODO Auto-generated method stubsuper.onResume();glSurfaceView.bringToFront();}@Overrideprotected void onPause() {// TODO Auto-generated method stubsuper.onPause();glSurfaceView.onPause();}This glSurfaceView. bringToFront (); in fact, it is not written. Write the custom GLSurfaceView in the layout and it will be OK:
CameraActivity is only responsible for the UI, CameraGLSurfaceView is responsible for opening
Camera is the camera class for Android camera hardware, located under the hardware package "Android.hardware.Camera". It is mainly used for camera capture pictures, start/stop preview pictures, take photos, get video frames, etc., it is the local service, responsible for man
1.In the oncreate method:
1.1Call the getpreferredcameraid () method. In this method, the combopreferences object is added, which is used to manageProgramThe configuration file generated in the package name. After obtaining this object, some configurations are initialized. Then read the camera ID mcameraid from the configuration file and call util. the getcamerafacingintentextras (this) method is obtained through "
Start the camera in Android service and Android service camera
I have encountered a project in development before. I need to call a mobile phone to take a photo and upload the photo. However, when taking the photo, the mobile phone cannot let the user see the camera open.
Th
Android development skills-the Camera feature of Camera
This article summarizes how to use Camera to take photos of development projects. Camera2 is introduced in api level 21 (5.0.1), while Camera to 6.0 is still usable. Therefore, camera2 is not considered yet.
Camera Main parameters:1, MCLK 24MHz;2, PCLK 48~52mhz~;3, Voltage 1.8V (1.5V), 2.8V;4, SCL (IIC clock) 100KHz or 400KHz.Download: Common camera Spec book (individual with Android driver) : bf3703 30W, gc0308 30W, ov7670, gt2005 200W, gt2015 200W, NT99250 200W, S5k5ba 200W, S5k4ba First, the camera driverLet's take GT20
Brief introductionAndroid SDK supports built-in cameras for Android devices. Support for multiple cameras starting from Android2.3 (primarily front-facing and rear-facing cameras). Photos and videos can be photographed.Issues to consider
Whether the camera is supported
Take a quick photo or a custom photo
Storage issues
Main APIs involved in cameras
Intent heard the action to
This article illustrates the solution to the black screen of the Android custom camera camera. Share to everyone for your reference, specific as follows:
For some phones, like HTC, when customizing camera, call Camera.parameters's parameters.setpreviewsize (width, height) method when the width and height are odd, Ther
1. First, call the takepicture method of camera. Java (frameworks \ base \ core \ Java \ Android \ hardware) in the framework layer.
2. The android_hardware_camera.cpp (frameworks \ base \ core \ JNI) android_hardware_camera_takepicture method on the JNI layer is called. The camera object is obtained through get_native_camera.
3. The preceding
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