In July 23, 2007, I wrote a short article entitled "World Software Freedom Day", which has been around for the past seven years and has undergone great changes.
Now, we often mention the Socialist "Core Values" (24-character principles). The word "freedom" represents a value orientation (positive energy) at the social level ), "Freedom" is no longer a politically sensitive word. We should stay away from it.
What is free software? What is the value
In a Word document, we typically set all pages to be horizontal or vertical. But sometimes you also need to set some of these pages in different directions, or there is no regular, horizontal and vertical pages mixed together. So how do you make a page that has both horizontal and vertical orientations in a Word document? Can you adjust the orientation of the page as you like?
Attentive readers may find that when selecting the menu command "file" | "
The path to Android development and learning-sensor experience
There are still many sensors, such as acceleration, light, and magnetic sensors. Of course, android phones are called smartphones, and these sensors are indispensable. Next I will learn about light, acceleration, and magnetism.
Create an emSensorStudy project. The layout is as follows:
Add the LightSensor, AccelerSensor, and MagnetiSensor Activity. Modify the MainActivity Code as follows:
From: http://blog.csdn.net/mr_raptor/article/details/80904741. Concept of Sensor
Sensor, a sensor, is a large number of existing smart phones, such as G-sensor, lightssensor, proximitysensor, and temperaturesensor. It is used as an input device of the Android system, it is essential for mobile devices that focus on use
JAVA programWe use the sensor interface to register the SensorListener as follows:**************************************** **********************ApiDemo:MGraphView = new GraphView (this );MSensorManager. registerListener (mGraphView ,....);**************************************** **********************The listener here is the control that changes when the sensor status changes.Reload the onSensorChanged and
1. Concept of Sensor
Sensor, a sensor, is a large number of existing smart phones, such as G-sensor, lightssensor, proximitysensor, and temperaturesensor. It is used as an input device of the Android system, it is essential for mobile devices that focus on user experience. Although the
Wireless sensor networks Times progress, technology innovation, and as information access to the most important and basic technology-sensor technology, has also been a great development. The technology of sensor information acquisition has evolved from the single of the past to the integration, miniaturization and networking, which will bring about an information
There are several types of sensors:Direction Sensor: Sensor. TYPE_ORIENTATIONAcceleration (gravity) Sensor: Sensor. TYPE_ACCELEROMETERLight Sensor: Sensor. TYPE_LIGHTMagnetic Field Sensor
Fix photo Orientation+ (UIImage *) Fixorientation: (UIImage *) Aimage {No-op If the orientation is already correctif (aimage.imageorientation = = Uiimageorientationup)return aimage;We need to calculate the proper transformation to make the image upright.We do it on 2 steps:rotate if Left/right/down, and then flip if mirrored.Cgaffinetransform transform = cgaffinetransformidentity;Switch (aimage.imageorienta
PHP Orientation property to determine whether the upload image needs to be rotated,
When you use Apple's iOS system to take pictures to upload images, you may encounter problems with the picture being rotated, depending on where you took the photo button when you took the photo. Let's say you spin your phone over the bottom face up when you take a picture, and the photos you've taken are rotated.
The following code will ensure that all uploaded photo
Briefly record an application screen direction problem today.
Generally, the application specifies a direction, such as landscape or portrait ).
So how to set it?
Note: different versions must be distinguished here.
Find the appdelegate. M file
// The available orientations shocould be defined in the info. plist file. the supported direction must be in info. the plist file defines // and in iOS 6 + only, you can override it in the Root View Controller in the "supportedinterfaceorientations" met
direction. To handle the response, pay attention to the differences between the left and right horizontal directions.
When you add a new page to a project, you can select the screen direction:
The phoneapplicationpage attribute orientation can set the initial direction of the application page, but this attribute cannot be set in the code. I tried it and can set this attribute in the code, however, the screen direction has not changed. So how can I
1.Sensor Type Gravity sensor/Accelerometer (g-sensor)Light Sensing (light-sensor)Temperature sensingDirection sensingMagnetic fieldNear Sex 2. How to implement sensor programmingA. Get system service (Sensor_service) returns a Sensormanager objectSensormanager = (Sensorma
Technorati Tags:zigbee TechnologyWireless sensor networks Times progress, technology innovation, and as information access to the most important and basic technology-sensor technology, has also been a great development. The technology of sensor information acquisition has evolved from the single of the past to the integration, miniaturization and networking, whic
Android motion sensor
Android motion sensor
The Android platform supports some sensors used to monitor device movements (five such sensors ). Two of them are pure hardware sensors. The other three (Gravity Sensors, linear acceleration sensors, and Rotation Vector Sensors) may be hardware sensors or software sensors. For example, in some Android devices, software-based sensors obtain data from acceleration a
Monitor sensor events
To monitor raw sensor data, you need to implement two callback methods exposed through the SensorEventListener interface: onAccuracyChanged () and onSensorChanged (). The Android system calls these two methods when any of the following occurs:
1. Changes in sensor accuracy:
In this case, the system will call the onAccuracyChanged () method,
Friends who have used an iphone or ipad do not know if they have encountered this problem, when exporting photos from the device to Windows, they often find that the direction of the exported photo is problematic, either sideways or upside down, and rotated to fit the watch. If you are browsing directly on these devices, the photos will always show the correct orientation and will be displayed correctly on your Mac. Recently in the development of iOS
); button.setcompounddrawables (nullnull null);Just adjust the width and height. The effect is the same. The advantage of this method is not proportional, wide high can break the original size and proportions ! , the y axis of my adjustment is a bit misaligned.Summary: RadioButton set different orientation of the icon method has the above two, if you want to manually set the size of the setcompounddrawables, in advance to give drawable set SetBounds
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